Actual source code: plextransform.c
1: #include <petsc/private/dmplextransformimpl.h>
3: #include <petsc/private/petscfeimpl.h>
5: PetscClassId DMPLEXTRANSFORM_CLASSID;
7: PetscFunctionList DMPlexTransformList = NULL;
8: PetscBool DMPlexTransformRegisterAllCalled = PETSC_FALSE;
10: PetscLogEvent DMPLEXTRANSFORM_SetUp, DMPLEXTRANSFORM_Apply, DMPLEXTRANSFORM_SetConeSizes, DMPLEXTRANSFORM_SetCones, DMPLEXTRANSFORM_CreateSF, DMPLEXTRANSFORM_CreateLabels, DMPLEXTRANSFORM_SetCoordinates;
12: /* Construct cell type order since we must loop over cell types in the same dimensional order they are stored in the plex if dm != NULL
13: OR in standard plex ordering if dm == NULL */
14: static PetscErrorCode DMPlexCreateCellTypeOrder_Internal(DM dm, PetscInt dim, PetscInt *ctOrder[], PetscInt *ctOrderInv[])
15: {
16: PetscInt *ctO, *ctOInv;
17: PetscInt d, c, off = 0;
18: PetscInt dimOrder[5] = {3, 2, 1, 0, -1};
20: PetscFunctionBegin;
21: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctO, DM_NUM_POLYTOPES + 1, &ctOInv));
22: if (dm) { // Order the dimensions by their starting location
23: PetscInt hStart[4] = {-1, -1, -1, -1};
24: for (d = 0; d <= dim; ++d) PetscCall(DMPlexGetDepthStratum(dm, dim - d, &hStart[d], NULL));
25: PetscCall(PetscSortIntWithArray(dim + 1, hStart, &dimOrder[3 - dim]));
26: } else if (dim > 1) { // Standard plex ordering. dimOrder is in correct order if dim > 1
27: off = 4 - dim;
28: dimOrder[off++] = 0;
29: for (d = dim - 1; d > 0; --d) dimOrder[off++] = d;
30: }
32: off = 0;
33: for (d = 0; d < 5; ++d) {
34: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
35: if (c == DM_POLYTOPE_UNKNOWN_CELL || c == DM_POLYTOPE_UNKNOWN_FACE) continue;
36: if (DMPolytopeTypeGetDim((DMPolytopeType)c) == dimOrder[d]) ctO[off++] = c;
37: }
38: }
39: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
40: if (c == DM_POLYTOPE_UNKNOWN_CELL || c == DM_POLYTOPE_UNKNOWN_FACE) ctO[off++] = c;
41: }
42: ctO[off++] = DM_NUM_POLYTOPES;
43: PetscCheck(off == DM_NUM_POLYTOPES + 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Invalid offset %" PetscInt_FMT " for cell type order", off);
45: for (c = 0; c <= DM_NUM_POLYTOPES; ++c) ctOInv[ctO[c]] = c;
47: *ctOrder = ctO;
48: *ctOrderInv = ctOInv;
49: PetscFunctionReturn(PETSC_SUCCESS);
50: }
52: /*@
53: DMPlexTransformRegister - Adds a new transform component implementation
55: Not Collective
57: Input Parameters:
58: + name - The name of a new user-defined creation routine
59: - create_func - The creation routine
61: Example Usage:
62: .vb
63: DMPlexTransformRegister("my_transform", MyTransformCreate);
64: .ve
66: Then, your transform type can be chosen with the procedural interface via
67: .vb
68: DMPlexTransformCreate(MPI_Comm, DMPlexTransform *);
69: DMPlexTransformSetType(DMPlexTransform, "my_transform");
70: .ve
71: or at runtime via the option
72: .vb
73: -dm_plex_transform_type my_transform
74: .ve
76: Level: advanced
78: Note:
79: `DMPlexTransformRegister()` may be called multiple times to add several user-defined transforms
81: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformRegisterAll()`, `DMPlexTransformRegisterDestroy()`
82: @*/
83: PetscErrorCode DMPlexTransformRegister(const char name[], PetscErrorCode (*create_func)(DMPlexTransform))
84: {
85: PetscFunctionBegin;
86: PetscCall(DMInitializePackage());
87: PetscCall(PetscFunctionListAdd(&DMPlexTransformList, name, create_func));
88: PetscFunctionReturn(PETSC_SUCCESS);
89: }
91: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_Filter(DMPlexTransform);
92: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_Regular(DMPlexTransform);
93: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_ToBox(DMPlexTransform);
94: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_ToSimplex(DMPlexTransform);
95: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_Alfeld(DMPlexTransform);
96: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_SBR(DMPlexTransform);
97: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_BL(DMPlexTransform);
98: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_1D(DMPlexTransform);
99: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_Extrude(DMPlexTransform);
100: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_Cohesive(DMPlexTransform);
102: /*@
103: DMPlexTransformRegisterAll - Registers all of the transform components in the `DM` package.
105: Not Collective
107: Level: advanced
109: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransformType`, `DMRegisterAll()`, `DMPlexTransformRegisterDestroy()`
110: @*/
111: PetscErrorCode DMPlexTransformRegisterAll(void)
112: {
113: PetscFunctionBegin;
114: if (DMPlexTransformRegisterAllCalled) PetscFunctionReturn(PETSC_SUCCESS);
115: DMPlexTransformRegisterAllCalled = PETSC_TRUE;
117: PetscCall(DMPlexTransformRegister(DMPLEXTRANSFORMFILTER, DMPlexTransformCreate_Filter));
118: PetscCall(DMPlexTransformRegister(DMPLEXREFINEREGULAR, DMPlexTransformCreate_Regular));
119: PetscCall(DMPlexTransformRegister(DMPLEXREFINETOBOX, DMPlexTransformCreate_ToBox));
120: PetscCall(DMPlexTransformRegister(DMPLEXREFINETOSIMPLEX, DMPlexTransformCreate_ToSimplex));
121: PetscCall(DMPlexTransformRegister(DMPLEXREFINEALFELD, DMPlexTransformCreate_Alfeld));
122: PetscCall(DMPlexTransformRegister(DMPLEXREFINEBOUNDARYLAYER, DMPlexTransformCreate_BL));
123: PetscCall(DMPlexTransformRegister(DMPLEXREFINESBR, DMPlexTransformCreate_SBR));
124: PetscCall(DMPlexTransformRegister(DMPLEXREFINE1D, DMPlexTransformCreate_1D));
125: PetscCall(DMPlexTransformRegister(DMPLEXEXTRUDETYPE, DMPlexTransformCreate_Extrude));
126: PetscCall(DMPlexTransformRegister(DMPLEXCOHESIVEEXTRUDE, DMPlexTransformCreate_Cohesive));
127: PetscFunctionReturn(PETSC_SUCCESS);
128: }
130: /*@
131: DMPlexTransformRegisterDestroy - This function destroys the registered `DMPlexTransformType`. It is called from `PetscFinalize()`.
133: Not collective
135: Level: developer
137: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMRegisterAll()`, `DMPlexTransformType`, `PetscInitialize()`
138: @*/
139: PetscErrorCode DMPlexTransformRegisterDestroy(void)
140: {
141: PetscFunctionBegin;
142: PetscCall(PetscFunctionListDestroy(&DMPlexTransformList));
143: DMPlexTransformRegisterAllCalled = PETSC_FALSE;
144: PetscFunctionReturn(PETSC_SUCCESS);
145: }
147: /*@
148: DMPlexTransformCreate - Creates an empty transform object. The type can then be set with `DMPlexTransformSetType()`.
150: Collective
152: Input Parameter:
153: . comm - The communicator for the transform object
155: Output Parameter:
156: . tr - The transform object
158: Level: beginner
160: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `DMPlexTransformSetType()`, `DMPLEXREFINEREGULAR`, `DMPLEXTRANSFORMFILTER`
161: @*/
162: PetscErrorCode DMPlexTransformCreate(MPI_Comm comm, DMPlexTransform *tr)
163: {
164: DMPlexTransform t;
166: PetscFunctionBegin;
167: PetscAssertPointer(tr, 2);
168: *tr = NULL;
169: PetscCall(DMInitializePackage());
171: PetscCall(PetscHeaderCreate(t, DMPLEXTRANSFORM_CLASSID, "DMPlexTransform", "Mesh Transform", "DMPlexTransform", comm, DMPlexTransformDestroy, DMPlexTransformView));
172: t->setupcalled = PETSC_FALSE;
173: t->redFactor = 2.0;
174: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES, &t->coordFE, DM_NUM_POLYTOPES, &t->refGeom));
175: *tr = t;
176: PetscFunctionReturn(PETSC_SUCCESS);
177: }
179: /*@
180: DMPlexTransformSetType - Sets the particular implementation for a transform.
182: Collective
184: Input Parameters:
185: + tr - The transform
186: - method - The name of the transform type
188: Options Database Key:
189: . -dm_plex_transform_type type - Sets the transform type; see `DMPlexTransformType`
191: Level: intermediate
193: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `DMPlexTransformGetType()`, `DMPlexTransformCreate()`
194: @*/
195: PetscErrorCode DMPlexTransformSetType(DMPlexTransform tr, DMPlexTransformType method)
196: {
197: PetscErrorCode (*r)(DMPlexTransform);
198: PetscBool match;
200: PetscFunctionBegin;
202: PetscCall(PetscObjectTypeCompare((PetscObject)tr, method, &match));
203: if (match) PetscFunctionReturn(PETSC_SUCCESS);
205: PetscCall(DMPlexTransformRegisterAll());
206: PetscCall(PetscFunctionListFind(DMPlexTransformList, method, &r));
207: PetscCheck(r, PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_UNKNOWN_TYPE, "Unknown DMPlexTransform type: %s", method);
209: PetscTryTypeMethod(tr, destroy);
210: PetscCall(PetscMemzero(tr->ops, sizeof(*tr->ops)));
211: PetscCall(PetscObjectChangeTypeName((PetscObject)tr, method));
212: PetscCall((*r)(tr));
213: PetscFunctionReturn(PETSC_SUCCESS);
214: }
216: /*@
217: DMPlexTransformGetType - Gets the type name (as a string) from the transform.
219: Not Collective
221: Input Parameter:
222: . tr - The `DMPlexTransform`
224: Output Parameter:
225: . type - The `DMPlexTransformType` name
227: Level: intermediate
229: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `DMPlexTransformSetType()`, `DMPlexTransformCreate()`
230: @*/
231: PetscErrorCode DMPlexTransformGetType(DMPlexTransform tr, DMPlexTransformType *type)
232: {
233: PetscFunctionBegin;
235: PetscAssertPointer(type, 2);
236: PetscCall(DMPlexTransformRegisterAll());
237: *type = ((PetscObject)tr)->type_name;
238: PetscFunctionReturn(PETSC_SUCCESS);
239: }
241: static PetscErrorCode DMPlexTransformView_Ascii(DMPlexTransform tr, PetscViewer v)
242: {
243: PetscViewerFormat format;
245: PetscFunctionBegin;
246: PetscCall(PetscViewerGetFormat(v, &format));
247: if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
248: const PetscInt *trTypes = NULL;
249: IS trIS;
250: PetscInt cols = 8;
251: PetscInt Nrt = 8, f, g;
252: PetscMPIInt size, rank;
254: PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)tr), &rank));
255: PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)tr), &size));
256: PetscCall(PetscViewerASCIIPushSynchronized(v));
257: if (tr->trType) PetscCall(DMLabelView(tr->trType, v));
258: if (size > 1) PetscCall(PetscViewerASCIISynchronizedPrintf(v, "Process: %d\n", rank));
259: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "Source Starts\n"));
260: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14s", DMPolytopeTypes[g]));
261: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "\n"));
262: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14" PetscInt_FMT, tr->ctStart[f]));
263: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "\n"));
264: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "Target Starts\n"));
265: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14s", DMPolytopeTypes[g]));
266: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "\n"));
267: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14" PetscInt_FMT, tr->ctStartNew[f]));
268: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "\n"));
270: if (tr->trType) {
271: PetscCall(DMLabelGetNumValues(tr->trType, &Nrt));
272: PetscCall(DMLabelGetValueIS(tr->trType, &trIS));
273: PetscCall(ISGetIndices(trIS, &trTypes));
274: }
275: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "Offsets\n"));
276: PetscCall(PetscViewerASCIISynchronizedPrintf(v, " "));
277: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14s", DMPolytopeTypes[g]));
278: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "\n"));
279: for (f = 0; f < Nrt; ++f) {
280: PetscCall(PetscViewerASCIISynchronizedPrintf(v, "%2" PetscInt_FMT " |", trTypes ? trTypes[f] : f));
281: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIISynchronizedPrintf(v, " %14" PetscInt_FMT, tr->offset[f * DM_NUM_POLYTOPES + g]));
282: PetscCall(PetscViewerASCIISynchronizedPrintf(v, " |\n"));
283: }
284: if (tr->trType) {
285: PetscCall(ISRestoreIndices(trIS, &trTypes));
286: PetscCall(ISDestroy(&trIS));
287: }
288: PetscCall(PetscViewerFlush(v));
289: }
290: PetscFunctionReturn(PETSC_SUCCESS);
291: }
293: /*@
294: DMPlexTransformView - Views a `DMPlexTransform`
296: Collective
298: Input Parameters:
299: + tr - the `DMPlexTransform` object to view
300: - v - the viewer
302: Level: beginner
304: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `PetscViewer`, `DMPlexTransformDestroy()`, `DMPlexTransformCreate()`
305: @*/
306: PetscErrorCode DMPlexTransformView(DMPlexTransform tr, PetscViewer v)
307: {
308: PetscBool isascii;
310: PetscFunctionBegin;
312: if (!v) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)tr), &v));
314: PetscCheckSameComm(tr, 1, v, 2);
315: PetscCall(PetscViewerCheckWritable(v));
316: PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)tr, v));
317: PetscCall(PetscObjectTypeCompare((PetscObject)v, PETSCVIEWERASCII, &isascii));
318: if (isascii) PetscCall(DMPlexTransformView_Ascii(tr, v));
319: PetscTryTypeMethod(tr, view, v);
320: PetscFunctionReturn(PETSC_SUCCESS);
321: }
323: /*@
324: DMPlexTransformSetFromOptions - Sets parameters in a transform from values in the options database
326: Collective
328: Input Parameter:
329: . tr - the `DMPlexTransform` object to set options for
331: Options Database Keys:
332: + -dm_plex_transform_type type - Set the transform type, e.g. refine_regular
333: . -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
334: . -dm_plex_transform_label_replica_inc inc - Increment for the label value to be multiplied by the replica number, so that the new label value is oldValue + r * inc
335: . -dm_plex_transform_active name - Name for active mesh label
336: - -dm_plex_transform_active_values v0,v1,... - Values in the active label
338: Level: intermediate
340: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
341: @*/
342: PetscErrorCode DMPlexTransformSetFromOptions(DMPlexTransform tr)
343: {
344: char typeName[1024], active[PETSC_MAX_PATH_LEN];
345: const char *defName = DMPLEXREFINEREGULAR;
346: PetscBool flg, match;
348: PetscFunctionBegin;
350: PetscObjectOptionsBegin((PetscObject)tr);
351: PetscCall(PetscOptionsFList("-dm_plex_transform_type", "DMPlexTransform", "DMPlexTransformSetType", DMPlexTransformList, defName, typeName, 1024, &flg));
352: if (flg) PetscCall(DMPlexTransformSetType(tr, typeName));
353: else if (!((PetscObject)tr)->type_name) PetscCall(DMPlexTransformSetType(tr, defName));
354: PetscCall(PetscOptionsBool("-dm_plex_transform_label_match_strata", "Only label points of the same stratum as the producing point", "", tr->labelMatchStrata, &match, &flg));
355: if (flg) PetscCall(DMPlexTransformSetMatchStrata(tr, match));
356: PetscCall(PetscOptionsInt("-dm_plex_transform_label_replica_inc", "Increment for the label value to be multiplied by the replica number", "", tr->labelReplicaInc, &tr->labelReplicaInc, NULL));
357: PetscCall(PetscOptionsString("-dm_plex_transform_active", "Name for active mesh label", "DMPlexTransformSetActive", active, active, sizeof(active), &flg));
358: if (flg) {
359: DM dm;
360: DMLabel label;
361: PetscInt values[16];
362: PetscInt n = 16;
364: PetscCall(DMPlexTransformGetDM(tr, &dm));
365: PetscCall(DMGetLabel(dm, active, &label));
366: PetscCall(PetscOptionsIntArray("-dm_plex_transform_active_values", "The label values to be active", "DMPlexTransformSetActive", values, &n, &flg));
367: if (flg && n) {
368: DMLabel newlabel;
370: PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Active", &newlabel));
371: for (PetscInt i = 0; i < n; ++i) {
372: IS is;
374: PetscCall(DMLabelGetStratumIS(label, values[i], &is));
375: PetscCall(DMLabelInsertIS(newlabel, is, values[i]));
376: PetscCall(ISDestroy(&is));
377: }
378: PetscCall(DMPlexTransformSetActive(tr, newlabel));
379: PetscCall(DMLabelDestroy(&newlabel));
380: } else {
381: PetscCall(DMPlexTransformSetActive(tr, label));
382: }
383: }
384: PetscTryTypeMethod(tr, setfromoptions, PetscOptionsObject);
385: /* process any options handlers added with PetscObjectAddOptionsHandler() */
386: PetscCall(PetscObjectProcessOptionsHandlers((PetscObject)tr, PetscOptionsObject));
387: PetscOptionsEnd();
388: PetscFunctionReturn(PETSC_SUCCESS);
389: }
391: /*@
392: DMPlexTransformDestroy - Destroys a `DMPlexTransform`
394: Collective
396: Input Parameter:
397: . tr - the transform object to destroy
399: Level: beginner
401: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
402: @*/
403: PetscErrorCode DMPlexTransformDestroy(DMPlexTransform *tr)
404: {
405: PetscInt c;
407: PetscFunctionBegin;
408: if (!*tr) PetscFunctionReturn(PETSC_SUCCESS);
410: if (--((PetscObject)*tr)->refct > 0) {
411: *tr = NULL;
412: PetscFunctionReturn(PETSC_SUCCESS);
413: }
415: PetscTryTypeMethod(*tr, destroy);
416: PetscCall(DMDestroy(&(*tr)->dm));
417: PetscCall(DMLabelDestroy(&(*tr)->active));
418: PetscCall(DMLabelDestroy(&(*tr)->trType));
419: PetscCall(PetscFree2((*tr)->ctOrderOld, (*tr)->ctOrderInvOld));
420: PetscCall(PetscFree2((*tr)->ctOrderNew, (*tr)->ctOrderInvNew));
421: PetscCall(PetscFree2((*tr)->ctStart, (*tr)->ctStartNew));
422: PetscCall(PetscFree((*tr)->offset));
423: PetscCall(PetscFree2((*tr)->depthStart, (*tr)->depthEnd));
424: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
425: PetscCall(PetscFEDestroy(&(*tr)->coordFE[c]));
426: PetscCall(PetscFEGeomDestroy(&(*tr)->refGeom[c]));
427: }
428: if ((*tr)->trVerts) {
429: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
430: DMPolytopeType *rct;
431: PetscInt *rsize, *rcone, *rornt, Nct, n, r;
433: if (DMPolytopeTypeGetDim((DMPolytopeType)c) > 0 && c != DM_POLYTOPE_UNKNOWN_CELL && c != DM_POLYTOPE_UNKNOWN_FACE) {
434: PetscCall(DMPlexTransformCellTransform(*tr, (DMPolytopeType)c, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
435: for (n = 0; n < Nct; ++n) {
436: if (rct[n] == DM_POLYTOPE_POINT) continue;
437: for (r = 0; r < rsize[n]; ++r) PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]][r]));
438: PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]]));
439: }
440: }
441: PetscCall(PetscFree((*tr)->trSubVerts[c]));
442: PetscCall(PetscFree((*tr)->trVerts[c]));
443: }
444: }
445: PetscCall(PetscFree3((*tr)->trNv, (*tr)->trVerts, (*tr)->trSubVerts));
446: PetscCall(PetscFree2((*tr)->coordFE, (*tr)->refGeom));
447: /* We do not destroy (*dm)->data here so that we can reference count backend objects */
448: PetscCall(PetscHeaderDestroy(tr));
449: PetscFunctionReturn(PETSC_SUCCESS);
450: }
452: static PetscErrorCode DMPlexTransformCreateOffset_Internal(DMPlexTransform tr, PetscInt ctOrderOld[], PetscInt ctStart[], PetscInt **offset)
453: {
454: DMLabel trType = tr->trType;
455: PetscInt c, cN, *off;
457: PetscFunctionBegin;
458: if (trType) {
459: DM dm;
460: IS rtIS;
461: const PetscInt *reftypes;
462: PetscInt Nrt;
464: PetscCall(DMPlexTransformGetDM(tr, &dm));
465: PetscCall(DMLabelGetNumValues(trType, &Nrt));
466: PetscCall(DMLabelGetValueIS(trType, &rtIS));
467: PetscCall(ISGetIndices(rtIS, &reftypes));
468: PetscCall(PetscCalloc1(Nrt * DM_NUM_POLYTOPES, &off));
469: for (PetscInt r = 0; r < Nrt; ++r) {
470: const PetscInt rt = reftypes[r];
471: IS rtIS;
472: const PetscInt *points;
473: DMPolytopeType ct;
474: PetscInt np, p;
476: PetscCall(DMLabelGetStratumIS(trType, rt, &rtIS));
477: PetscCall(ISGetLocalSize(rtIS, &np));
478: PetscCall(ISGetIndices(rtIS, &points));
479: if (!np) continue;
480: p = points[0];
481: PetscCall(ISRestoreIndices(rtIS, &points));
482: PetscCall(ISDestroy(&rtIS));
483: PetscCall(DMPlexGetCellType(dm, p, &ct));
484: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
485: const DMPolytopeType ctNew = (DMPolytopeType)cN;
486: DMPolytopeType *rct;
487: PetscInt *rsize, *cone, *ornt;
488: PetscInt Nct, n, s;
490: if (DMPolytopeTypeGetDim(ct) < 0 || DMPolytopeTypeGetDim(ctNew) < 0) {
491: off[r * DM_NUM_POLYTOPES + ctNew] = -1;
492: break;
493: }
494: off[r * DM_NUM_POLYTOPES + ctNew] = 0;
495: for (s = 0; s <= r; ++s) {
496: const PetscInt st = reftypes[s];
497: DMPolytopeType sct;
498: PetscInt q, qrt;
500: PetscCall(DMLabelGetStratumIS(trType, st, &rtIS));
501: PetscCall(ISGetLocalSize(rtIS, &np));
502: PetscCall(ISGetIndices(rtIS, &points));
503: if (!np) continue;
504: q = points[0];
505: PetscCall(ISRestoreIndices(rtIS, &points));
506: PetscCall(ISDestroy(&rtIS));
507: PetscCall(DMPlexGetCellType(dm, q, &sct));
508: PetscCall(DMPlexTransformCellTransform(tr, sct, q, &qrt, &Nct, &rct, &rsize, &cone, &ornt));
509: PetscCheck(st == qrt, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Refine type %" PetscInt_FMT " of point %" PetscInt_FMT " does not match predicted type %" PetscInt_FMT, qrt, q, st);
510: if (st == rt) {
511: for (n = 0; n < Nct; ++n)
512: if (rct[n] == ctNew) break;
513: if (n == Nct) off[r * DM_NUM_POLYTOPES + ctNew] = -1;
514: break;
515: }
516: for (n = 0; n < Nct; ++n) {
517: if (rct[n] == ctNew) {
518: PetscInt sn;
520: PetscCall(DMLabelGetStratumSize(trType, st, &sn));
521: off[r * DM_NUM_POLYTOPES + ctNew] += sn * rsize[n];
522: }
523: }
524: }
525: }
526: }
527: PetscCall(ISRestoreIndices(rtIS, &reftypes));
528: PetscCall(ISDestroy(&rtIS));
529: } else {
530: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES * DM_NUM_POLYTOPES, &off));
531: for (c = DM_POLYTOPE_POINT; c < DM_NUM_POLYTOPES; ++c) {
532: const DMPolytopeType ct = (DMPolytopeType)c;
533: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
534: const DMPolytopeType ctNew = (DMPolytopeType)cN;
535: DMPolytopeType *rct;
536: PetscInt *rsize, *cone, *ornt;
537: PetscInt Nct, n, i;
539: if (DMPolytopeTypeGetDim(ct) < 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE || DMPolytopeTypeGetDim(ctNew) < 0 || ctNew == DM_POLYTOPE_UNKNOWN_CELL || ctNew == DM_POLYTOPE_UNKNOWN_FACE) {
540: off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
541: continue;
542: }
543: off[ct * DM_NUM_POLYTOPES + ctNew] = 0;
544: for (i = DM_POLYTOPE_POINT; i < DM_NUM_POLYTOPES; ++i) {
545: const DMPolytopeType ict = (DMPolytopeType)ctOrderOld[i];
546: const DMPolytopeType ictn = (DMPolytopeType)ctOrderOld[i + 1];
548: PetscCall(DMPlexTransformCellTransform(tr, ict, PETSC_DETERMINE, NULL, &Nct, &rct, &rsize, &cone, &ornt));
549: if (ict == ct) {
550: for (n = 0; n < Nct; ++n)
551: if (rct[n] == ctNew) break;
552: if (n == Nct) off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
553: break;
554: }
555: for (n = 0; n < Nct; ++n)
556: if (rct[n] == ctNew) off[ct * DM_NUM_POLYTOPES + ctNew] += (ctStart[ictn] - ctStart[ict]) * rsize[n];
557: }
558: }
559: }
560: }
561: *offset = off;
562: PetscFunctionReturn(PETSC_SUCCESS);
563: }
565: /*@
566: DMPlexTransformSetUp - Create the tables that drive the transform
568: Input Parameter:
569: . tr - The `DMPlexTransform` object
571: Level: intermediate
573: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
574: @*/
575: PetscErrorCode DMPlexTransformSetUp(DMPlexTransform tr)
576: {
577: DMPolytopeType ctCell;
578: DM dm;
579: PetscInt pStart, pEnd, p, c, celldim = 0;
581: PetscFunctionBegin;
583: if (tr->setupcalled) PetscFunctionReturn(PETSC_SUCCESS);
584: PetscCall(DMPlexTransformGetDM(tr, &dm));
585: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
586: PetscTryTypeMethod(tr, setup);
587: PetscCall(DMSetSnapToGeomModel(dm, NULL));
588: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
590: if (pEnd > pStart) {
591: // Ignore cells hanging off of embedded surfaces
592: PetscInt c = pStart;
594: ctCell = DM_POLYTOPE_FV_GHOST;
595: while (DMPolytopeTypeGetDim(ctCell) < 0) PetscCall(DMPlexGetCellType(dm, c++, &ctCell));
596: } else {
597: PetscInt dim;
599: PetscCall(DMGetDimension(dm, &dim));
600: switch (dim) {
601: case 0:
602: ctCell = DM_POLYTOPE_POINT;
603: break;
604: case 1:
605: ctCell = DM_POLYTOPE_SEGMENT;
606: break;
607: case 2:
608: ctCell = DM_POLYTOPE_TRIANGLE;
609: break;
610: case 3:
611: ctCell = DM_POLYTOPE_TETRAHEDRON;
612: break;
613: default:
614: ctCell = DM_POLYTOPE_UNKNOWN;
615: }
616: }
617: PetscCall(DMPlexCreateCellTypeOrder_Internal(dm, DMPolytopeTypeGetDim(ctCell), &tr->ctOrderOld, &tr->ctOrderInvOld));
618: for (p = pStart; p < pEnd; ++p) {
619: DMPolytopeType ct;
620: DMPolytopeType *rct;
621: PetscInt *rsize, *cone, *ornt;
622: PetscInt Nct;
624: PetscCall(DMPlexGetCellType(dm, p, &ct));
625: PetscCheck(ct != DM_POLYTOPE_UNKNOWN && ct != DM_POLYTOPE_UNKNOWN_CELL && ct != DM_POLYTOPE_UNKNOWN_FACE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No cell type for point %" PetscInt_FMT, p);
626: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
627: for (PetscInt n = 0; n < Nct; ++n) celldim = PetscMax(celldim, DMPolytopeTypeGetDim(rct[n]));
628: }
629: PetscCall(DMPlexCreateCellTypeOrder_Internal(NULL, celldim, &tr->ctOrderNew, &tr->ctOrderInvNew));
630: /* Construct sizes and offsets for each cell type */
631: if (!tr->ctStart) {
632: PetscInt *ctS, *ctSN, *ctC, *ctCN;
634: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctS, DM_NUM_POLYTOPES + 1, &ctSN));
635: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctC, DM_NUM_POLYTOPES + 1, &ctCN));
636: for (p = pStart; p < pEnd; ++p) {
637: DMPolytopeType ct;
638: DMPolytopeType *rct;
639: PetscInt *rsize, *cone, *ornt;
640: PetscInt Nct;
642: PetscCall(DMPlexGetCellType(dm, p, &ct));
643: PetscCheck(ct != DM_POLYTOPE_UNKNOWN && ct != DM_POLYTOPE_UNKNOWN_CELL && ct != DM_POLYTOPE_UNKNOWN_FACE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No cell type for point %" PetscInt_FMT, p);
644: ++ctC[ct];
645: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
646: for (PetscInt n = 0; n < Nct; ++n) ctCN[rct[n]] += rsize[n];
647: }
648: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
649: const PetscInt cto = tr->ctOrderOld[c];
650: const PetscInt cton = tr->ctOrderOld[c + 1];
651: const PetscInt ctn = tr->ctOrderNew[c];
652: const PetscInt ctnn = tr->ctOrderNew[c + 1];
654: ctS[cton] = ctS[cto] + ctC[cto];
655: ctSN[ctnn] = ctSN[ctn] + ctCN[ctn];
656: }
657: PetscCall(PetscFree2(ctC, ctCN));
658: tr->ctStart = ctS;
659: tr->ctStartNew = ctSN;
660: }
661: PetscCall(DMPlexTransformCreateOffset_Internal(tr, tr->ctOrderOld, tr->ctStart, &tr->offset));
662: // Compute depth information
663: tr->depth = -1;
664: for (c = 0; c < DM_NUM_POLYTOPES; ++c)
665: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] > tr->ctStartNew[tr->ctOrderNew[c]]) tr->depth = PetscMax(tr->depth, DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]));
666: PetscCall(PetscMalloc2(tr->depth + 1, &tr->depthStart, tr->depth + 1, &tr->depthEnd));
667: for (PetscInt d = 0; d <= tr->depth; ++d) {
668: tr->depthStart[d] = PETSC_INT_MAX;
669: tr->depthEnd[d] = -1;
670: }
671: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
672: const PetscInt dep = DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]);
674: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] <= tr->ctStartNew[tr->ctOrderNew[c]]) continue;
675: tr->depthStart[dep] = PetscMin(tr->depthStart[dep], tr->ctStartNew[tr->ctOrderNew[c]]);
676: tr->depthEnd[dep] = PetscMax(tr->depthEnd[dep], tr->ctStartNew[tr->ctOrderNew[c + 1]]);
677: }
678: tr->setupcalled = PETSC_TRUE;
679: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
680: PetscFunctionReturn(PETSC_SUCCESS);
681: }
683: /*@
684: DMPlexTransformGetDM - Get the base `DM` for the transform
686: Input Parameter:
687: . tr - The `DMPlexTransform` object
689: Output Parameter:
690: . dm - The original `DM` which will be transformed
692: Level: intermediate
694: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
695: @*/
696: PetscErrorCode DMPlexTransformGetDM(DMPlexTransform tr, DM *dm)
697: {
698: PetscFunctionBegin;
700: PetscAssertPointer(dm, 2);
701: *dm = tr->dm;
702: PetscFunctionReturn(PETSC_SUCCESS);
703: }
705: /*@
706: DMPlexTransformSetDM - Set the base `DM` for the transform
708: Input Parameters:
709: + tr - The `DMPlexTransform` object
710: - dm - The original `DM` which will be transformed
712: Level: intermediate
714: Note:
715: The user does not typically call this, as it is called by `DMPlexTransformApply()`.
717: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
718: @*/
719: PetscErrorCode DMPlexTransformSetDM(DMPlexTransform tr, DM dm)
720: {
721: PetscFunctionBegin;
723: if (dm) {
725: PetscCall(PetscObjectReference((PetscObject)dm));
726: }
727: PetscCall(DMDestroy(&tr->dm));
728: tr->dm = dm;
729: PetscFunctionReturn(PETSC_SUCCESS);
730: }
732: /*@
733: DMPlexTransformGetActive - Get the `DMLabel` marking the active points for the transform
735: Input Parameter:
736: . tr - The `DMPlexTransform` object
738: Output Parameter:
739: . active - The `DMLabel` indicating which points will be transformed
741: Level: intermediate
743: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
744: @*/
745: PetscErrorCode DMPlexTransformGetActive(DMPlexTransform tr, DMLabel *active)
746: {
747: PetscFunctionBegin;
749: PetscAssertPointer(active, 2);
750: *active = tr->active;
751: PetscFunctionReturn(PETSC_SUCCESS);
752: }
754: /*@
755: DMPlexTransformSetActive - Set the `DMLabel` marking the active points for the transform
757: Input Parameters:
758: + tr - The `DMPlexTransform` object
759: - active - The `DMLabel` indicating which points will be transformed
761: Level: intermediate
763: Note:
764: This only applies to transforms listed in [](plex_transform_table) that operate on a subset of the mesh.
766: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
767: @*/
768: PetscErrorCode DMPlexTransformSetActive(DMPlexTransform tr, DMLabel active)
769: {
770: PetscFunctionBegin;
773: PetscCall(PetscObjectReference((PetscObject)active));
774: PetscCall(DMLabelDestroy(&tr->active));
775: tr->active = active;
776: PetscFunctionReturn(PETSC_SUCCESS);
777: }
779: /*@
780: DMPlexTransformGetTransformTypes - Get the `DMLabel` marking the transform type of each point for the transform
782: Input Parameter:
783: . tr - The `DMPlexTransform` object
785: Output Parameter:
786: . trType - The `DMLabel` indicating the transform type for each point
788: Level: intermediate
790: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexSetTransformType()`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
791: @*/
792: PetscErrorCode DMPlexTransformGetTransformTypes(DMPlexTransform tr, DMLabel *trType)
793: {
794: PetscFunctionBegin;
796: PetscAssertPointer(trType, 2);
797: *trType = tr->trType;
798: PetscFunctionReturn(PETSC_SUCCESS);
799: }
801: /*@
802: DMPlexTransformSetTransformTypes - Set the `DMLabel` marking the transform type of each point for the transform
804: Input Parameters:
805: + tr - The `DMPlexTransform` object
806: - trType - The original `DM` which will be transformed
808: Level: intermediate
810: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetTransformTypes()`, `DMPlexTransformGetActive())`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
811: @*/
812: PetscErrorCode DMPlexTransformSetTransformTypes(DMPlexTransform tr, DMLabel trType)
813: {
814: PetscFunctionBegin;
817: PetscCall(PetscObjectReference((PetscObject)trType));
818: PetscCall(DMLabelDestroy(&tr->trType));
819: tr->trType = trType;
820: PetscFunctionReturn(PETSC_SUCCESS);
821: }
823: static PetscErrorCode DMPlexTransformGetCoordinateFE(DMPlexTransform tr, DMPolytopeType ct, PetscFE *fe)
824: {
825: PetscFunctionBegin;
826: if (!tr->coordFE[ct]) {
827: PetscInt dim, cdim;
829: dim = DMPolytopeTypeGetDim(ct);
830: PetscCall(DMGetCoordinateDim(tr->dm, &cdim));
831: PetscCall(PetscFECreateLagrangeByCell(PETSC_COMM_SELF, dim, cdim, ct, 1, PETSC_DETERMINE, &tr->coordFE[ct]));
832: {
833: PetscDualSpace dsp;
834: PetscQuadrature quad;
835: DM K;
836: PetscFEGeom *cg;
837: PetscScalar *Xq;
838: PetscReal *xq, *wq;
839: PetscInt Nq;
841: PetscCall(DMPlexTransformGetCellVertices(tr, ct, &Nq, &Xq));
842: PetscCall(PetscMalloc1(Nq * cdim, &xq));
843: for (PetscInt q = 0; q < Nq * cdim; ++q) xq[q] = PetscRealPart(Xq[q]);
844: PetscCall(PetscMalloc1(Nq, &wq));
845: for (PetscInt q = 0; q < Nq; ++q) wq[q] = 1.0;
846: PetscCall(PetscQuadratureCreate(PETSC_COMM_SELF, &quad));
847: PetscCall(PetscQuadratureSetData(quad, dim, 1, Nq, xq, wq));
848: PetscCall(PetscFESetQuadrature(tr->coordFE[ct], quad));
850: PetscCall(PetscFEGetDualSpace(tr->coordFE[ct], &dsp));
851: PetscCall(PetscDualSpaceGetDM(dsp, &K));
852: PetscCall(PetscFEGeomCreate(quad, 1, cdim, PETSC_FEGEOM_BASIC, &tr->refGeom[ct]));
853: cg = tr->refGeom[ct];
854: PetscCall(DMPlexComputeCellGeometryFEM(K, 0, NULL, cg->v, cg->J, cg->invJ, cg->detJ));
855: PetscCall(PetscQuadratureDestroy(&quad));
856: }
857: }
858: *fe = tr->coordFE[ct];
859: PetscFunctionReturn(PETSC_SUCCESS);
860: }
862: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform tr, DM dm, DM tdm)
863: {
864: PetscInt dim, cdim;
866: PetscFunctionBegin;
867: PetscCall(DMGetDimension(dm, &dim));
868: PetscCall(DMSetDimension(tdm, dim));
869: PetscCall(DMGetCoordinateDim(dm, &cdim));
870: PetscCall(DMSetCoordinateDim(tdm, cdim));
871: PetscFunctionReturn(PETSC_SUCCESS);
872: }
874: /*@
875: DMPlexTransformSetDimensions - Set the dimensions for the transformed `DM`
877: Input Parameters:
878: + tr - The `DMPlexTransform` object
879: - dm - The original `DM`
881: Output Parameter:
882: . trdm - The transformed `DM`
884: Level: advanced
886: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
887: @*/
888: PetscErrorCode DMPlexTransformSetDimensions(DMPlexTransform tr, DM dm, DM trdm)
889: {
890: PetscFunctionBegin;
891: PetscUseTypeMethod(tr, setdimensions, dm, trdm);
892: PetscFunctionReturn(PETSC_SUCCESS);
893: }
895: /*@
896: DMPlexTransformGetChart - Get the chart `[pStart, pEnd)` for the points produced by the transform
898: Not Collective
900: Input Parameter:
901: . tr - The `DMPlexTransform`
903: Output Parameters:
904: + pStart - The first point in the transformed mesh, or `NULL` if not needed
905: - pEnd - One past the last point in the transformed mesh, or `NULL` if not needed
907: Level: developer
909: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformGetCellType()`, `DMPlexTransformGetCellTypeStratum()`
910: @*/
911: PetscErrorCode DMPlexTransformGetChart(DMPlexTransform tr, PetscInt *pStart, PetscInt *pEnd)
912: {
913: PetscFunctionBegin;
914: if (pStart) *pStart = 0;
915: if (pEnd) *pEnd = tr->ctStartNew[tr->ctOrderNew[DM_NUM_POLYTOPES]];
916: PetscFunctionReturn(PETSC_SUCCESS);
917: }
919: /*@
920: DMPlexTransformGetCellType - Return the cell type for a point in the transformed mesh
922: Not Collective
924: Input Parameters:
925: + tr - The `DMPlexTransform`
926: - cell - The point number in the transformed mesh
928: Output Parameter:
929: . celltype - The `DMPolytopeType` of the point
931: Level: developer
933: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetChart()`, `DMPlexTransformGetCellTypeStratum()`
934: @*/
935: PetscErrorCode DMPlexTransformGetCellType(DMPlexTransform tr, PetscInt cell, DMPolytopeType *celltype)
936: {
937: PetscInt ctNew;
939: PetscFunctionBegin;
941: PetscAssertPointer(celltype, 3);
942: /* TODO Can do bisection since everything is sorted */
943: for (ctNew = DM_POLYTOPE_POINT; ctNew < DM_NUM_POLYTOPES; ++ctNew) {
944: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
946: if (cell >= ctSN && cell < ctEN) break;
947: }
948: PetscCheck(ctNew < DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point %" PetscInt_FMT " cannot be located in the transformed mesh", cell);
949: *celltype = (DMPolytopeType)ctNew;
950: PetscFunctionReturn(PETSC_SUCCESS);
951: }
953: /*@
954: DMPlexTransformGetCellTypeStratum - Return the point range for a given cell type in the transformed mesh
956: Not Collective
958: Input Parameters:
959: + tr - The `DMPlexTransform`
960: - celltype - The `DMPolytopeType` of the requested stratum
962: Output Parameters:
963: + start - The first point of the stratum, or `NULL` if not needed
964: - end - One past the last point of the stratum, or `NULL` if not needed
966: Level: developer
968: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellType()`, `DMPlexTransformGetChart()`, `DMPlexGetDepthStratum()`
969: @*/
970: PetscErrorCode DMPlexTransformGetCellTypeStratum(DMPlexTransform tr, DMPolytopeType celltype, PetscInt *start, PetscInt *end)
971: {
972: PetscFunctionBegin;
974: if (start) *start = tr->ctStartNew[celltype];
975: if (end) *end = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[celltype] + 1]];
976: PetscFunctionReturn(PETSC_SUCCESS);
977: }
979: /*@
980: DMPlexTransformGetDepth - Return the topological depth of the transformed mesh
982: Not Collective
984: Input Parameter:
985: . tr - The `DMPlexTransform`
987: Output Parameter:
988: . depth - The depth of the transformed mesh
990: Level: developer
992: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetDepthStratum()`, `DMPlexGetDepth()`
993: @*/
994: PetscErrorCode DMPlexTransformGetDepth(DMPlexTransform tr, PetscInt *depth)
995: {
996: PetscFunctionBegin;
998: *depth = tr->depth;
999: PetscFunctionReturn(PETSC_SUCCESS);
1000: }
1002: /*@
1003: DMPlexTransformGetDepthStratum - Return the point range for a given depth in the transformed mesh
1005: Not Collective
1007: Input Parameters:
1008: + tr - The `DMPlexTransform`
1009: - depth - The requested depth in the transformed mesh
1011: Output Parameters:
1012: + start - The first point at the given depth, or `NULL` if not needed
1013: - end - One past the last point at the given depth, or `NULL` if not needed
1015: Level: developer
1017: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetDepth()`, `DMPlexGetDepthStratum()`
1018: @*/
1019: PetscErrorCode DMPlexTransformGetDepthStratum(DMPlexTransform tr, PetscInt depth, PetscInt *start, PetscInt *end)
1020: {
1021: PetscFunctionBegin;
1023: if (start) *start = tr->depthStart[depth];
1024: if (end) *end = tr->depthEnd[depth];
1025: PetscFunctionReturn(PETSC_SUCCESS);
1026: }
1028: /*@
1029: DMPlexTransformGetMatchStrata - Get the flag which determines what points get added to the transformed labels
1031: Not Collective
1033: Input Parameter:
1034: . tr - The `DMPlexTransform`
1036: Output Parameter:
1037: . match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
1039: Level: intermediate
1041: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetMatchStrata()`, `DMPlexGetPointDepth()`
1042: @*/
1043: PetscErrorCode DMPlexTransformGetMatchStrata(DMPlexTransform tr, PetscBool *match)
1044: {
1045: PetscFunctionBegin;
1047: PetscAssertPointer(match, 2);
1048: *match = tr->labelMatchStrata;
1049: PetscFunctionReturn(PETSC_SUCCESS);
1050: }
1052: /*@
1053: DMPlexTransformSetMatchStrata - Set the flag which determines what points get added to the transformed labels
1055: Not Collective
1057: Input Parameters:
1058: + tr - The `DMPlexTransform`
1059: - match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
1061: Level: intermediate
1063: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetMatchStrata()`, `DMPlexGetPointDepth()`
1064: @*/
1065: PetscErrorCode DMPlexTransformSetMatchStrata(DMPlexTransform tr, PetscBool match)
1066: {
1067: PetscFunctionBegin;
1069: tr->labelMatchStrata = match;
1070: PetscFunctionReturn(PETSC_SUCCESS);
1071: }
1073: /*@
1074: DMPlexTransformCheck - Verify that the given `DM`, produced by this `DMPlexTransform`, is valid
1076: Input Parameters:
1077: + tr - The `DMPlexTransform` object
1078: - dm - The `DM` to check
1080: Level: advanced
1082: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1083: @*/
1084: PetscErrorCode DMPlexTransformCheck(DMPlexTransform tr, DM dm)
1085: {
1086: PetscFunctionBegin;
1087: PetscTryTypeMethod(tr, check, dm);
1088: PetscFunctionReturn(PETSC_SUCCESS);
1089: }
1091: /*@
1092: DMPlexTransformGetTargetPoint - Get the number of a point in the transformed mesh based on information from the original mesh.
1094: Not Collective
1096: Input Parameters:
1097: + tr - The `DMPlexTransform`
1098: . ct - The type of the original point which produces the new point
1099: . ctNew - The type of the new point
1100: . p - The original point which produces the new point
1101: - r - The replica number of the new point, meaning it is the rth point of type `ctNew` produced from `p`
1103: Output Parameter:
1104: . pNew - The new point number
1106: Level: developer
1108: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSourcePoint()`, `DMPlexTransformCellTransform()`
1109: @*/
1110: PetscErrorCode DMPlexTransformGetTargetPoint(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType ctNew, PetscInt p, PetscInt r, PetscInt *pNew)
1111: {
1112: DMPolytopeType *rct;
1113: PetscInt *rsize, *cone, *ornt;
1114: PetscInt rt, Nct, n, off, rp;
1115: DMLabel trType = tr->trType;
1116: PetscInt ctS = tr->ctStart[ct], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ct] + 1]];
1117: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
1118: PetscInt newp = ctSN, cind;
1120: PetscFunctionBeginHot;
1121: PetscCheck(p >= ctS && p < ctE, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Point %" PetscInt_FMT " is not a %s [%" PetscInt_FMT ", %" PetscInt_FMT ")", p, DMPolytopeTypes[ct], ctS, ctE);
1122: PetscCall(DMPlexTransformCellTransform(tr, ct, p, &rt, &Nct, &rct, &rsize, &cone, &ornt));
1123: if (trType) {
1124: PetscCall(DMLabelGetValueIndex(trType, rt, &cind));
1125: PetscCall(DMLabelGetStratumPointIndex(trType, rt, p, &rp));
1126: PetscCheck(rp >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Cell type %s point %" PetscInt_FMT " does not have refine type %" PetscInt_FMT, DMPolytopeTypes[ct], p, rt);
1127: } else {
1128: cind = ct;
1129: rp = p - ctS;
1130: }
1131: off = tr->offset[cind * DM_NUM_POLYTOPES + ctNew];
1132: PetscCheck(off >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Cell type %s (%" PetscInt_FMT ") of point %" PetscInt_FMT " does not produce type %s for transform %s", DMPolytopeTypes[ct], rt, p, DMPolytopeTypes[ctNew], tr->hdr.type_name);
1133: newp += off;
1134: for (n = 0; n < Nct; ++n) {
1135: if (rct[n] == ctNew) {
1136: PetscCheck(!rsize[n] || r < rsize[n], PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number %" PetscInt_FMT " for point %" PetscInt_FMT " should be in [0, %" PetscInt_FMT ") for subcell type %s in cell type %s", r, p, rsize[n], DMPolytopeTypes[rct[n]], DMPolytopeTypes[ct]);
1137: newp += rp * rsize[n] + r;
1138: if (!(newp >= ctSN && newp <= ctEN)) {
1139: PetscCall(PetscPrintf(PETSC_COMM_SELF, "Problem with point %" PetscInt_FMT " %s replica %" PetscInt_FMT "\n", p, DMPolytopeTypes[ct], r));
1140: PetscCall(PetscPrintf(PETSC_COMM_SELF, " n %" PetscInt_FMT " rsize %" PetscInt_FMT " rt %" PetscInt_FMT " cind %" PetscInt_FMT " rp %" PetscInt_FMT "\n", n, rsize[n], rt, cind, rp));
1141: }
1142: break;
1143: }
1144: }
1146: PetscCheck(newp >= ctSN && newp < ctEN, PETSC_COMM_SELF, PETSC_ERR_PLIB, "New point %" PetscInt_FMT " is not a %s [%" PetscInt_FMT ", %" PetscInt_FMT ")", newp, DMPolytopeTypes[ctNew], ctSN, ctEN);
1147: *pNew = newp;
1148: PetscFunctionReturn(PETSC_SUCCESS);
1149: }
1151: /*@
1152: DMPlexTransformGetSourcePoint - Get the number of a point in the original mesh based on information from the transformed mesh.
1154: Not Collective
1156: Input Parameters:
1157: + tr - The `DMPlexTransform`
1158: - pNew - The new point number
1160: Output Parameters:
1161: + ct - The type of the original point which produces the new point
1162: . ctNew - The type of the new point
1163: . p - The original point which produces the new point
1164: - r - The replica number of the new point, meaning it is the rth point of type ctNew produced from p
1166: Level: developer
1168: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetTargetPoint()`, `DMPlexTransformCellTransform()`
1169: @*/
1170: PetscErrorCode DMPlexTransformGetSourcePoint(DMPlexTransform tr, PetscInt pNew, DMPolytopeType *ct, DMPolytopeType *ctNew, PetscInt *p, PetscInt *r)
1171: {
1172: DMLabel trType = tr->trType;
1173: DMPolytopeType *rct, ctN;
1174: PetscInt *rsize, *cone, *ornt;
1175: PetscInt rt = -1, rtTmp, Nct, n, rp = 0, rO = 0, pO;
1176: PetscInt offset = -1, ctS, ctE, ctO = 0, ctTmp, rtS;
1178: PetscFunctionBegin;
1179: PetscCall(DMPlexTransformGetCellType(tr, pNew, &ctN));
1180: if (trType) {
1181: DM dm;
1182: IS rtIS;
1183: const PetscInt *reftypes;
1184: PetscInt Nrt, r, rtStart;
1186: PetscCall(DMPlexTransformGetDM(tr, &dm));
1187: PetscCall(DMLabelGetNumValues(trType, &Nrt));
1188: PetscCall(DMLabelGetValueIS(trType, &rtIS));
1189: PetscCall(ISGetIndices(rtIS, &reftypes));
1190: for (r = 0; r < Nrt; ++r) {
1191: const PetscInt off = tr->offset[r * DM_NUM_POLYTOPES + ctN];
1193: if (tr->ctStartNew[ctN] + off > pNew) continue;
1194: /* Check that any of this refinement type exist */
1195: /* TODO Actually keep track of the number produced here instead */
1196: if (off > offset) {
1197: rt = reftypes[r];
1198: offset = off;
1199: }
1200: }
1201: PetscCall(ISRestoreIndices(rtIS, &reftypes));
1202: PetscCall(ISDestroy(&rtIS));
1203: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1204: /* TODO Map refinement types to cell types */
1205: PetscCall(DMLabelGetStratumBounds(trType, rt, &rtStart, NULL));
1206: PetscCheck(rtStart >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Refinement type %" PetscInt_FMT " has no source points", rt);
1207: for (ctO = 0; ctO < DM_NUM_POLYTOPES; ++ctO) {
1208: PetscInt ctS = tr->ctStart[ctO], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1210: if ((rtStart >= ctS) && (rtStart < ctE)) break;
1211: }
1212: PetscCheck(ctO != DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Could not determine a cell type for refinement type %" PetscInt_FMT, rt);
1213: } else {
1214: for (ctTmp = 0; ctTmp < DM_NUM_POLYTOPES; ++ctTmp) {
1215: const PetscInt off = tr->offset[ctTmp * DM_NUM_POLYTOPES + ctN];
1217: if (tr->ctStartNew[ctN] + off > pNew) continue;
1218: if (tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctTmp] + 1]] <= tr->ctStart[ctTmp]) continue;
1219: /* TODO Actually keep track of the number produced here instead */
1220: if (off > offset) {
1221: ctO = ctTmp;
1222: offset = off;
1223: }
1224: }
1225: rt = -1;
1226: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1227: }
1228: ctS = tr->ctStart[ctO];
1229: ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1230: if (trType) {
1231: for (rtS = ctS; rtS < ctE; ++rtS) {
1232: PetscInt val;
1233: PetscCall(DMLabelGetValue(trType, rtS, &val));
1234: if (val == rt) break;
1235: }
1236: PetscCheck(rtS < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Could not find point of type %s with refine type %" PetscInt_FMT, DMPolytopeTypes[ctO], rt);
1237: } else rtS = ctS;
1238: PetscCall(DMPlexTransformCellTransform(tr, (DMPolytopeType)ctO, rtS, &rtTmp, &Nct, &rct, &rsize, &cone, &ornt));
1239: PetscCheck(!trType || rt == rtTmp, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Point %" PetscInt_FMT " has refine type %" PetscInt_FMT " != %" PetscInt_FMT " refine type which produced point %" PetscInt_FMT, rtS, rtTmp, rt, pNew);
1240: for (n = 0; n < Nct; ++n) {
1241: if (rct[n] == ctN) {
1242: PetscInt tmp = pNew - tr->ctStartNew[ctN] - offset, val, c;
1244: if (trType) {
1245: for (c = ctS; c < ctE; ++c) {
1246: PetscCall(DMLabelGetValue(trType, c, &val));
1247: if (val == rt) {
1248: if (tmp < rsize[n]) break;
1249: tmp -= rsize[n];
1250: }
1251: }
1252: PetscCheck(c < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Parent point for target point %" PetscInt_FMT " could be not found", pNew);
1253: rp = c - ctS;
1254: rO = tmp;
1255: } else {
1256: // This assumes that all points of type ctO transform the same way
1257: rp = tmp / rsize[n];
1258: rO = tmp % rsize[n];
1259: }
1260: break;
1261: }
1262: }
1263: PetscCheck(n != Nct, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number for target point %" PetscInt_FMT " could be not found", pNew);
1264: pO = rp + ctS;
1265: PetscCheck(!(pO < ctS) && !(pO >= ctE), PETSC_COMM_SELF, PETSC_ERR_PLIB, "Source point %" PetscInt_FMT " is not a %s [%" PetscInt_FMT ", %" PetscInt_FMT ")", pO, DMPolytopeTypes[ctO], ctS, ctE);
1266: if (ct) *ct = (DMPolytopeType)ctO;
1267: if (ctNew) *ctNew = ctN;
1268: if (p) *p = pO;
1269: if (r) *r = rO;
1270: PetscFunctionReturn(PETSC_SUCCESS);
1271: }
1273: /*@
1274: DMPlexTransformCellTransform - Describes the transform of a given source cell into a set of other target cells. These produced cells become the new mesh.
1276: Input Parameters:
1277: + tr - The `DMPlexTransform` object
1278: . source - The source cell type
1279: - p - The source point, which can also determine the refine type
1281: Output Parameters:
1282: + rt - The refine type for this point
1283: . Nt - The number of types produced by this point
1284: . target - An array of length `Nt` giving the types produced
1285: . size - An array of length `Nt` giving the number of cells of each type produced
1286: . cone - An array of length `Nt`*size[t]*coneSize[t] giving the cell type for each point in the cone of each produced point
1287: - ornt - An array of length `Nt`*size[t]*coneSize[t] giving the orientation for each point in the cone of each produced point
1289: Level: advanced
1291: Notes:
1292: The cone array gives the cone of each subcell listed by the first three outputs. For each cone point, we
1293: need the cell type, point identifier, and orientation within the subcell. The orientation is with respect to the canonical
1294: division (described in these outputs) of the cell in the original mesh. The point identifier is given by
1295: .vb
1296: the number of cones to be taken, or 0 for the current cell
1297: the cell cone point number at each level from which it is subdivided
1298: the replica number r of the subdivision.
1299: .ve
1300: The orientation is with respect to the canonical cone orientation. For example, the prescription for edge division is
1301: .vb
1302: Nt = 2
1303: target = {DM_POLYTOPE_POINT, DM_POLYTOPE_SEGMENT}
1304: size = {1, 2}
1305: cone = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0}
1306: ornt = { 0, 0, 0, 0}
1307: .ve
1309: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1310: @*/
1311: PetscErrorCode DMPlexTransformCellTransform(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1312: {
1313: PetscFunctionBegin;
1314: PetscUseTypeMethod(tr, celltransform, source, p, rt, Nt, target, size, cone, ornt);
1315: PetscFunctionReturn(PETSC_SUCCESS);
1316: }
1318: /*@
1319: DMPlexTransformGetSubcellOrientationIdentity - Default `getsubcellorientation` implementation for transforms that reproduce the input mesh
1321: Not Collective
1323: Input Parameters:
1324: + tr - The `DMPlexTransform`
1325: . sct - The source point cell type
1326: . sp - The source point
1327: . so - The orientation of the source point in its enclosing parent
1328: . tct - The target point cell type
1329: . r - The replica number requested for the produced cell type
1330: - o - The orientation of the replica
1332: Output Parameters:
1333: + rnew - The replica number, given the orientation of the parent (returns `r`)
1334: - onew - The replica orientation composed with the source orientation
1336: Level: developer
1338: Note:
1339: This is the identity variant used by transforms such as the "identity" refiner where each source
1340: point produces itself, so the replica number is unchanged and the returned orientation is simply
1341: `o` composed with `so` via `DMPolytopeTypeComposeOrientation()`.
1343: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetSubcellOrientation()`, `DMPlexTransformCellTransformIdentity()`, `DMPolytopeTypeComposeOrientation()`
1344: @*/
1345: PetscErrorCode DMPlexTransformGetSubcellOrientationIdentity(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1346: {
1347: PetscFunctionBegin;
1348: *rnew = r;
1349: *onew = DMPolytopeTypeComposeOrientation(tct, o, so);
1350: PetscFunctionReturn(PETSC_SUCCESS);
1351: }
1353: /*@
1354: DMPlexTransformCellTransformIdentity - Default `celltransform` implementation for transforms that reproduce the input mesh
1356: Not Collective
1358: Input Parameters:
1359: + tr - The `DMPlexTransform`
1360: . source - The cell type of the source point
1361: - p - The source point
1363: Output Parameters:
1364: + rt - Refinement type of the source point (set to 0), or `NULL`
1365: . Nt - Number of target cell types produced (always 1)
1366: . target - Array of produced cell types (a single-element array containing `source`)
1367: . size - Array of replica counts for each produced type (a single-element array containing 1)
1368: . cone - Cone description used by `DMPlexTransformGetCone()`; encodes that the replica takes the entire parent cone
1369: - ornt - Orientation array associated with `cone`; all zero for identity
1371: Level: developer
1373: Note:
1374: This routine returns statically allocated arrays describing an identity refinement for each supported
1375: `DMPolytopeType`; every source point produces a single replica of the same type with unchanged cone
1376: and orientation.
1378: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformGetSubcellOrientationIdentity()`
1379: @*/
1380: PetscErrorCode DMPlexTransformCellTransformIdentity(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1381: {
1382: static DMPolytopeType vertexT[] = {DM_POLYTOPE_POINT};
1383: static PetscInt vertexS[] = {1};
1384: static PetscInt vertexC[] = {0};
1385: static PetscInt vertexO[] = {0};
1386: static DMPolytopeType edgeT[] = {DM_POLYTOPE_SEGMENT};
1387: static PetscInt edgeS[] = {1};
1388: static PetscInt edgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1389: static PetscInt edgeO[] = {0, 0};
1390: static DMPolytopeType tedgeT[] = {DM_POLYTOPE_POINT_PRISM_TENSOR};
1391: static PetscInt tedgeS[] = {1};
1392: static PetscInt tedgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1393: static PetscInt tedgeO[] = {0, 0};
1394: static DMPolytopeType triT[] = {DM_POLYTOPE_TRIANGLE};
1395: static PetscInt triS[] = {1};
1396: static PetscInt triC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0};
1397: static PetscInt triO[] = {0, 0, 0};
1398: static DMPolytopeType quadT[] = {DM_POLYTOPE_QUADRILATERAL};
1399: static PetscInt quadS[] = {1};
1400: static PetscInt quadC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0, DM_POLYTOPE_SEGMENT, 1, 3, 0};
1401: static PetscInt quadO[] = {0, 0, 0, 0};
1402: static DMPolytopeType tquadT[] = {DM_POLYTOPE_SEG_PRISM_TENSOR};
1403: static PetscInt tquadS[] = {1};
1404: static PetscInt tquadC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_POINT_PRISM_TENSOR, 1, 2, 0, DM_POLYTOPE_POINT_PRISM_TENSOR, 1, 3, 0};
1405: static PetscInt tquadO[] = {0, 0, 0, 0};
1406: static DMPolytopeType tetT[] = {DM_POLYTOPE_TETRAHEDRON};
1407: static PetscInt tetS[] = {1};
1408: static PetscInt tetC[] = {DM_POLYTOPE_TRIANGLE, 1, 0, 0, DM_POLYTOPE_TRIANGLE, 1, 1, 0, DM_POLYTOPE_TRIANGLE, 1, 2, 0, DM_POLYTOPE_TRIANGLE, 1, 3, 0};
1409: static PetscInt tetO[] = {0, 0, 0, 0};
1410: static DMPolytopeType hexT[] = {DM_POLYTOPE_HEXAHEDRON};
1411: static PetscInt hexS[] = {1};
1412: static PetscInt hexC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_QUADRILATERAL, 1, 2, 0, DM_POLYTOPE_QUADRILATERAL, 1, 3, 0, DM_POLYTOPE_QUADRILATERAL, 1, 4, 0, DM_POLYTOPE_QUADRILATERAL, 1, 5, 0};
1413: static PetscInt hexO[] = {0, 0, 0, 0, 0, 0};
1414: static DMPolytopeType tripT[] = {DM_POLYTOPE_TRI_PRISM};
1415: static PetscInt tripS[] = {1};
1416: static PetscInt tripC[] = {DM_POLYTOPE_TRIANGLE, 1, 0, 0, DM_POLYTOPE_TRIANGLE, 1, 1, 0, DM_POLYTOPE_QUADRILATERAL, 1, 2, 0, DM_POLYTOPE_QUADRILATERAL, 1, 3, 0, DM_POLYTOPE_QUADRILATERAL, 1, 4, 0};
1417: static PetscInt tripO[] = {0, 0, 0, 0, 0};
1418: static DMPolytopeType ttripT[] = {DM_POLYTOPE_TRI_PRISM_TENSOR};
1419: static PetscInt ttripS[] = {1};
1420: static PetscInt ttripC[] = {DM_POLYTOPE_TRIANGLE, 1, 0, 0, DM_POLYTOPE_TRIANGLE, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0};
1421: static PetscInt ttripO[] = {0, 0, 0, 0, 0};
1422: static DMPolytopeType tquadpT[] = {DM_POLYTOPE_QUAD_PRISM_TENSOR};
1423: static PetscInt tquadpS[] = {1};
1424: static PetscInt tquadpC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0,
1425: DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 5, 0};
1426: static PetscInt tquadpO[] = {0, 0, 0, 0, 0, 0};
1427: static DMPolytopeType pyrT[] = {DM_POLYTOPE_PYRAMID};
1428: static PetscInt pyrS[] = {1};
1429: static PetscInt pyrC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_TRIANGLE, 1, 1, 0, DM_POLYTOPE_TRIANGLE, 1, 2, 0, DM_POLYTOPE_TRIANGLE, 1, 3, 0, DM_POLYTOPE_TRIANGLE, 1, 4, 0};
1430: static PetscInt pyrO[] = {0, 0, 0, 0, 0};
1432: PetscFunctionBegin;
1433: if (rt) *rt = 0;
1434: switch (source) {
1435: case DM_POLYTOPE_POINT:
1436: *Nt = 1;
1437: *target = vertexT;
1438: *size = vertexS;
1439: *cone = vertexC;
1440: *ornt = vertexO;
1441: break;
1442: case DM_POLYTOPE_SEGMENT:
1443: *Nt = 1;
1444: *target = edgeT;
1445: *size = edgeS;
1446: *cone = edgeC;
1447: *ornt = edgeO;
1448: break;
1449: case DM_POLYTOPE_POINT_PRISM_TENSOR:
1450: *Nt = 1;
1451: *target = tedgeT;
1452: *size = tedgeS;
1453: *cone = tedgeC;
1454: *ornt = tedgeO;
1455: break;
1456: case DM_POLYTOPE_TRIANGLE:
1457: *Nt = 1;
1458: *target = triT;
1459: *size = triS;
1460: *cone = triC;
1461: *ornt = triO;
1462: break;
1463: case DM_POLYTOPE_QUADRILATERAL:
1464: *Nt = 1;
1465: *target = quadT;
1466: *size = quadS;
1467: *cone = quadC;
1468: *ornt = quadO;
1469: break;
1470: case DM_POLYTOPE_SEG_PRISM_TENSOR:
1471: *Nt = 1;
1472: *target = tquadT;
1473: *size = tquadS;
1474: *cone = tquadC;
1475: *ornt = tquadO;
1476: break;
1477: case DM_POLYTOPE_TETRAHEDRON:
1478: *Nt = 1;
1479: *target = tetT;
1480: *size = tetS;
1481: *cone = tetC;
1482: *ornt = tetO;
1483: break;
1484: case DM_POLYTOPE_HEXAHEDRON:
1485: *Nt = 1;
1486: *target = hexT;
1487: *size = hexS;
1488: *cone = hexC;
1489: *ornt = hexO;
1490: break;
1491: case DM_POLYTOPE_TRI_PRISM:
1492: *Nt = 1;
1493: *target = tripT;
1494: *size = tripS;
1495: *cone = tripC;
1496: *ornt = tripO;
1497: break;
1498: case DM_POLYTOPE_TRI_PRISM_TENSOR:
1499: *Nt = 1;
1500: *target = ttripT;
1501: *size = ttripS;
1502: *cone = ttripC;
1503: *ornt = ttripO;
1504: break;
1505: case DM_POLYTOPE_QUAD_PRISM_TENSOR:
1506: *Nt = 1;
1507: *target = tquadpT;
1508: *size = tquadpS;
1509: *cone = tquadpC;
1510: *ornt = tquadpO;
1511: break;
1512: case DM_POLYTOPE_PYRAMID:
1513: *Nt = 1;
1514: *target = pyrT;
1515: *size = pyrS;
1516: *cone = pyrC;
1517: *ornt = pyrO;
1518: break;
1519: default:
1520: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
1521: }
1522: PetscFunctionReturn(PETSC_SUCCESS);
1523: }
1525: /*@
1526: DMPlexTransformGetSubcellOrientation - Transform the replica number and orientation for a target point according to the group action for the source point
1528: Not Collective
1530: Input Parameters:
1531: + tr - The `DMPlexTransform`
1532: . sct - The source point cell type, from whom the new cell is being produced
1533: . sp - The source point
1534: . so - The orientation of the source point in its enclosing parent
1535: . tct - The target point cell type
1536: . r - The replica number requested for the produced cell type
1537: - o - The orientation of the replica
1539: Output Parameters:
1540: + rnew - The replica number, given the orientation of the parent
1541: - onew - The replica orientation, given the orientation of the parent
1543: Level: advanced
1545: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformApply()`
1546: @*/
1547: PetscErrorCode DMPlexTransformGetSubcellOrientation(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1548: {
1549: PetscFunctionBeginHot;
1550: PetscUseTypeMethod(tr, getsubcellorientation, sct, sp, so, tct, r, o, rnew, onew);
1551: PetscFunctionReturn(PETSC_SUCCESS);
1552: }
1554: static PetscErrorCode DMPlexTransformSetConeSizes(DMPlexTransform tr, DM rdm)
1555: {
1556: DM dm;
1557: PetscInt pStart, pEnd, pNew;
1559: PetscFunctionBegin;
1560: PetscCall(DMPlexTransformGetDM(tr, &dm));
1561: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1562: /* Must create the celltype label here so that we do not automatically try to compute the types */
1563: PetscCall(DMCreateLabel(rdm, "celltype"));
1564: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1565: for (PetscInt p = pStart; p < pEnd; ++p) {
1566: DMPolytopeType ct;
1567: DMPolytopeType *rct;
1568: PetscInt *rsize, *rcone, *rornt;
1569: PetscInt Nct, n, r;
1571: PetscCall(DMPlexGetCellType(dm, p, &ct));
1572: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1573: for (n = 0; n < Nct; ++n) {
1574: for (r = 0; r < rsize[n]; ++r) {
1575: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1576: PetscCall(DMPlexSetConeSize(rdm, pNew, DMPolytopeTypeGetConeSize(rct[n])));
1577: PetscCall(DMPlexSetCellType(rdm, pNew, rct[n]));
1578: }
1579: }
1580: }
1581: /* Let the DM know we have set all the cell types */
1582: {
1583: DMLabel ctLabel;
1584: DM_Plex *plex = (DM_Plex *)rdm->data;
1586: PetscCall(DMPlexGetCellTypeLabel(rdm, &ctLabel));
1587: PetscCall(PetscObjectStateGet((PetscObject)ctLabel, &plex->celltypeState));
1588: }
1589: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1590: PetscFunctionReturn(PETSC_SUCCESS);
1591: }
1593: /*@
1594: DMPlexTransformGetConeSize - Return the cone size of a point in the transformed mesh
1596: Not Collective
1598: Input Parameters:
1599: + tr - The `DMPlexTransform`
1600: - q - The point number in the transformed mesh
1602: Output Parameter:
1603: . coneSize - The number of points in the cone of `q`
1605: Level: developer
1607: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetCone()`, `DMPlexTransformGetCellType()`, `DMPlexGetConeSize()`
1608: @*/
1609: PetscErrorCode DMPlexTransformGetConeSize(DMPlexTransform tr, PetscInt q, PetscInt *coneSize)
1610: {
1611: DMPolytopeType ctNew;
1613: PetscFunctionBegin;
1615: PetscAssertPointer(coneSize, 3);
1616: PetscCall(DMPlexTransformGetCellType(tr, q, &ctNew));
1617: *coneSize = DMPolytopeTypeGetConeSize(ctNew);
1618: PetscFunctionReturn(PETSC_SUCCESS);
1619: }
1621: /* The orientation o is for the interior of the cell p */
1622: static PetscErrorCode DMPlexTransformGetCone_Internal(DMPlexTransform tr, PetscInt p, PetscInt o, DMPolytopeType ct, DMPolytopeType ctNew, const PetscInt rcone[], PetscInt *coneoff, const PetscInt rornt[], PetscInt *orntoff, PetscInt coneNew[], PetscInt orntNew[])
1623: {
1624: DM dm;
1625: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1626: const PetscInt *cone;
1627: DMPolytopeType *newft = NULL;
1628: PetscInt c, coff = *coneoff, ooff = *orntoff;
1629: PetscInt dim, cr = 0, co = 0, nr, no;
1631: PetscFunctionBegin;
1632: PetscCall(DMPlexTransformGetDM(tr, &dm));
1633: PetscCall(DMPlexGetOrientedCone(dm, p, &cone, NULL));
1634: // Check if we have to permute this cell
1635: PetscCall(DMGetDimension(dm, &dim));
1636: if (DMPolytopeTypeGetDim(ctNew) == dim && DMPolytopeTypeGetDim(ct) == dim - 1) {
1637: PetscCall(DMPlexTransformGetSubcellOrientation(tr, ct, p, o, ctNew, cr, co, &nr, &no));
1638: if (cr != nr || co != no) PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newft));
1639: }
1640: for (c = 0; c < csizeNew; ++c) {
1641: PetscInt ppp = -1; /* Parent Parent point: Parent of point pp */
1642: PetscInt pp = p; /* Parent point: Point in the original mesh producing new cone point */
1643: PetscInt po = 0; /* Orientation of parent point pp in parent parent point ppp */
1644: DMPolytopeType pct = ct; /* Parent type: Cell type for parent of new cone point */
1645: const PetscInt *pcone = cone; /* Parent cone: Cone of parent point pp */
1646: PetscInt pr = -1; /* Replica number of pp that produces new cone point */
1647: const DMPolytopeType ft = (DMPolytopeType)rcone[coff++]; /* Cell type for new cone point of pNew */
1648: const PetscInt fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1649: PetscInt fo = rornt[ooff++]; /* Orientation of new cone point in pNew */
1650: PetscInt lc;
1652: /* Get the type (pct) and point number (pp) of the parent point in the original mesh which produces this cone point */
1653: for (lc = 0; lc < fn; ++lc) {
1654: const PetscInt *parr = DMPolytopeTypeGetArrangement(pct, po);
1655: const PetscInt acp = rcone[coff++];
1656: const PetscInt pcp = parr[acp * 2];
1657: const PetscInt pco = parr[acp * 2 + 1];
1658: const PetscInt *ppornt;
1660: ppp = pp;
1661: pp = pcone[pcp];
1662: PetscCall(DMPlexGetCellType(dm, pp, &pct));
1663: // Restore the parent cone from the last iterate
1664: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, ppp, &pcone, NULL));
1665: PetscCall(DMPlexGetOrientedCone(dm, pp, &pcone, NULL));
1666: PetscCall(DMPlexGetOrientedCone(dm, ppp, NULL, &ppornt));
1667: po = DMPolytopeTypeComposeOrientation(pct, ppornt[pcp], pco);
1668: PetscCall(DMPlexRestoreOrientedCone(dm, ppp, NULL, &ppornt));
1669: }
1670: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, pp, &pcone, NULL));
1671: pr = rcone[coff++];
1672: /* Orientation po of pp maps (pr, fo) -> (pr', fo') */
1673: PetscCall(DMPlexTransformGetSubcellOrientation(tr, pct, pp, fn ? po : o, ft, pr, fo, &pr, &fo));
1674: PetscCall(DMPlexTransformGetTargetPoint(tr, pct, ft, pp, pr, &coneNew[c]));
1675: orntNew[c] = fo;
1676: if (newft) newft[c] = ft;
1677: }
1678: PetscCall(DMPlexRestoreOrientedCone(dm, p, &cone, NULL));
1679: if (newft) {
1680: const PetscInt *arr;
1681: PetscInt *newcone, *newornt;
1683: arr = DMPolytopeTypeGetArrangement(ctNew, no);
1684: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1685: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1686: for (PetscInt c = 0; c < csizeNew; ++c) {
1687: DMPolytopeType ft = newft[c];
1688: PetscInt nO;
1690: nO = DMPolytopeTypeGetNumArrangements(ft) / 2;
1691: newcone[c] = coneNew[arr[c * 2 + 0]];
1692: newornt[c] = DMPolytopeTypeComposeOrientation(ft, arr[c * 2 + 1], orntNew[arr[c * 2 + 0]]);
1693: PetscCheck(!newornt[c] || !(newornt[c] >= nO || newornt[c] < -nO), PETSC_COMM_SELF, PETSC_ERR_PLIB, "Invalid orientation %" PetscInt_FMT " not in [%" PetscInt_FMT ",%" PetscInt_FMT ") for %s %" PetscInt_FMT, newornt[c], -nO, nO, DMPolytopeTypes[ft], coneNew[c]);
1694: }
1695: for (PetscInt c = 0; c < csizeNew; ++c) {
1696: coneNew[c] = newcone[c];
1697: orntNew[c] = newornt[c];
1698: }
1699: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1700: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1701: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newft));
1702: }
1703: *coneoff = coff;
1704: *orntoff = ooff;
1705: PetscFunctionReturn(PETSC_SUCCESS);
1706: }
1708: static PetscErrorCode DMPlexTransformSetCones(DMPlexTransform tr, DM rdm)
1709: {
1710: DM dm;
1711: DMPolytopeType ct;
1712: PetscInt *coneNew, *orntNew;
1713: PetscInt maxConeSize = 0, pStart, pEnd, p, pNew;
1715: PetscFunctionBegin;
1716: PetscCall(DMPlexTransformGetDM(tr, &dm));
1717: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1718: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1719: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1720: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1721: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1722: for (p = pStart; p < pEnd; ++p) {
1723: PetscInt coff, ooff;
1724: DMPolytopeType *rct;
1725: PetscInt *rsize, *rcone, *rornt;
1726: PetscInt Nct, n, r;
1728: PetscCall(DMPlexGetCellType(dm, p, &ct));
1729: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1730: for (n = 0, coff = 0, ooff = 0; n < Nct; ++n) {
1731: const DMPolytopeType ctNew = rct[n];
1733: for (r = 0; r < rsize[n]; ++r) {
1734: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1735: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, ctNew, rcone, &coff, rornt, &ooff, coneNew, orntNew));
1736: PetscCall(DMPlexSetCone(rdm, pNew, coneNew));
1737: PetscCall(DMPlexSetConeOrientation(rdm, pNew, orntNew));
1738: }
1739: }
1740: }
1741: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1742: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1743: PetscCall(DMViewFromOptions(rdm, NULL, "-rdm_view"));
1744: PetscCall(DMPlexSymmetrize(rdm));
1745: PetscCall(DMPlexStratify(rdm));
1746: PetscCall(DMPlexTransformOrderSupports(tr, dm, rdm));
1747: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1748: PetscFunctionReturn(PETSC_SUCCESS);
1749: }
1751: /*@
1752: DMPlexTransformGetConeOriented - Return the cone of a point in the transformed mesh, computed using a specified parent orientation
1754: Not Collective
1756: Input Parameters:
1757: + tr - The `DMPlexTransform`
1758: . q - The point number in the transformed mesh
1759: - po - The orientation of the parent cell in the original mesh to use when producing the cone
1761: Output Parameters:
1762: + cone - The cone points, obtained from an internal work array
1763: - ornt - The orientations of the cone points, obtained from an internal work array
1765: Level: developer
1767: Note:
1768: Both `cone` and `ornt` are returned in work arrays that must be released with `DMPlexTransformRestoreCone()`.
1770: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetCone()`, `DMPlexTransformRestoreCone()`, `DMPlexTransformGetConeSize()`
1771: @*/
1772: PetscErrorCode DMPlexTransformGetConeOriented(DMPlexTransform tr, PetscInt q, PetscInt po, const PetscInt *cone[], const PetscInt *ornt[])
1773: {
1774: DM dm;
1775: DMPolytopeType ct, qct;
1776: DMPolytopeType *rct;
1777: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1778: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1780: PetscFunctionBegin;
1782: PetscAssertPointer(cone, 4);
1783: PetscAssertPointer(ornt, 5);
1784: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1785: PetscCall(DMPlexTransformGetDM(tr, &dm));
1786: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1787: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1788: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1789: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1790: for (n = 0; n < Nct; ++n) {
1791: const DMPolytopeType ctNew = rct[n];
1792: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1793: PetscInt Nr = rsize[n], fn, c;
1795: if (ctNew == qct) Nr = r;
1796: for (nr = 0; nr < Nr; ++nr) {
1797: for (c = 0; c < csizeNew; ++c) {
1798: ++coff; /* Cell type of new cone point */
1799: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1800: coff += fn;
1801: ++coff; /* Replica number of new cone point */
1802: ++ooff; /* Orientation of new cone point */
1803: }
1804: }
1805: if (ctNew == qct) break;
1806: }
1807: PetscCall(DMPlexTransformGetCone_Internal(tr, p, po, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1808: *cone = qcone;
1809: *ornt = qornt;
1810: PetscFunctionReturn(PETSC_SUCCESS);
1811: }
1813: /*@
1814: DMPlexTransformGetCone - Return the cone of a point in the transformed mesh
1816: Not Collective
1818: Input Parameters:
1819: + tr - The `DMPlexTransform`
1820: - q - The point number in the transformed mesh
1822: Output Parameters:
1823: + cone - The cone points, obtained from an internal work array, or `NULL` if not requested
1824: - ornt - The orientations of the cone points, obtained from an internal work array, or `NULL` if not requested
1826: Level: developer
1828: Note:
1829: Any non-`NULL` output must be released with `DMPlexTransformRestoreCone()`.
1831: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformRestoreCone()`, `DMPlexTransformGetConeOriented()`, `DMPlexTransformGetConeSize()`, `DMPlexGetCone()`
1832: @*/
1833: PetscErrorCode DMPlexTransformGetCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1834: {
1835: DM dm;
1836: DMPolytopeType ct, qct;
1837: DMPolytopeType *rct;
1838: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1839: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1841: PetscFunctionBegin;
1843: if (cone) PetscAssertPointer(cone, 3);
1844: if (ornt) PetscAssertPointer(ornt, 4);
1845: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1846: PetscCall(DMPlexTransformGetDM(tr, &dm));
1847: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1848: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1849: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1850: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1851: for (n = 0; n < Nct; ++n) {
1852: const DMPolytopeType ctNew = rct[n];
1853: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1854: PetscInt Nr = rsize[n], fn, c;
1856: if (ctNew == qct) Nr = r;
1857: for (nr = 0; nr < Nr; ++nr) {
1858: for (c = 0; c < csizeNew; ++c) {
1859: ++coff; /* Cell type of new cone point */
1860: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1861: coff += fn;
1862: ++coff; /* Replica number of new cone point */
1863: ++ooff; /* Orientation of new cone point */
1864: }
1865: }
1866: if (ctNew == qct) break;
1867: }
1868: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1869: if (cone) *cone = qcone;
1870: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1871: if (ornt) *ornt = qornt;
1872: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1873: PetscFunctionReturn(PETSC_SUCCESS);
1874: }
1876: /*@
1877: DMPlexTransformRestoreCone - Return the work arrays produced by `DMPlexTransformGetCone()` or `DMPlexTransformGetConeOriented()`
1879: Not Collective
1881: Input Parameters:
1882: + tr - The `DMPlexTransform`
1883: . q - The point number in the transformed mesh
1884: . cone - The cone points to release, or `NULL`
1885: - ornt - The orientations to release, or `NULL`
1887: Level: developer
1889: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetCone()`, `DMPlexTransformGetConeOriented()`
1890: @*/
1891: PetscErrorCode DMPlexTransformRestoreCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1892: {
1893: DM dm;
1895: PetscFunctionBegin;
1897: PetscCall(DMPlexTransformGetDM(tr, &dm));
1898: if (cone) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, cone));
1899: if (ornt) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, ornt));
1900: PetscFunctionReturn(PETSC_SUCCESS);
1901: }
1903: static PetscErrorCode DMPlexTransformCreateCellVertices_Internal(DMPlexTransform tr)
1904: {
1905: PetscFunctionBegin;
1906: PetscCall(PetscCalloc3(DM_NUM_POLYTOPES, &tr->trNv, DM_NUM_POLYTOPES, &tr->trVerts, DM_NUM_POLYTOPES, &tr->trSubVerts));
1907: for (PetscInt ict = DM_POLYTOPE_POINT; ict < DM_NUM_POLYTOPES; ++ict) {
1908: const DMPolytopeType ct = (DMPolytopeType)ict;
1909: DMPlexTransform reftr;
1910: DM refdm, trdm;
1911: Vec coordinates;
1912: const PetscScalar *coords;
1913: DMPolytopeType *rct;
1914: PetscInt *rsize, *rcone, *rornt;
1915: PetscInt Nct, n, r, pNew = 0;
1916: PetscInt trdim, vStart, vEnd, Nc;
1917: const PetscInt debug = 0;
1918: const char *typeName;
1920: /* Since points are 0-dimensional, coordinates make no sense */
1921: if (DMPolytopeTypeGetDim(ct) <= 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE) continue;
1922: PetscCall(DMPlexCreateReferenceCell(PETSC_COMM_SELF, ct, &refdm));
1923: PetscCall(DMPlexTransformCreate(PETSC_COMM_SELF, &reftr));
1924: PetscCall(DMPlexTransformSetDM(reftr, refdm));
1925: PetscCall(DMPlexTransformGetType(tr, &typeName));
1926: PetscCall(DMPlexTransformSetType(reftr, typeName));
1927: PetscCall(DMPlexTransformSetUp(reftr));
1928: PetscCall(DMPlexTransformApply(reftr, refdm, &trdm));
1930: PetscCall(DMGetDimension(trdm, &trdim));
1931: PetscCall(DMPlexGetDepthStratum(trdm, 0, &vStart, &vEnd));
1932: tr->trNv[ct] = vEnd - vStart;
1933: PetscCall(DMGetCoordinatesLocal(trdm, &coordinates));
1934: PetscCall(VecGetLocalSize(coordinates, &Nc));
1935: PetscCheck(tr->trNv[ct] * trdim == Nc, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Cell type %s, transformed coordinate size %" PetscInt_FMT " != %" PetscInt_FMT " size of coordinate storage", DMPolytopeTypes[ct], tr->trNv[ct] * trdim, Nc);
1936: PetscCall(PetscCalloc1(Nc, &tr->trVerts[ct]));
1937: PetscCall(VecGetArrayRead(coordinates, &coords));
1938: PetscCall(PetscArraycpy(tr->trVerts[ct], coords, Nc));
1939: PetscCall(VecRestoreArrayRead(coordinates, &coords));
1941: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES, &tr->trSubVerts[ct]));
1942: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1943: for (n = 0; n < Nct; ++n) {
1944: /* Since points are 0-dimensional, coordinates make no sense */
1945: if (rct[n] == DM_POLYTOPE_POINT) continue;
1946: PetscCall(PetscCalloc1(rsize[n], &tr->trSubVerts[ct][rct[n]]));
1947: for (r = 0; r < rsize[n]; ++r) {
1948: PetscInt *closure = NULL;
1949: PetscInt clSize, cl, Nv = 0;
1951: PetscCall(PetscCalloc1(DMPolytopeTypeGetNumVertices(rct[n]), &tr->trSubVerts[ct][rct[n]][r]));
1952: PetscCall(DMPlexTransformGetTargetPoint(reftr, ct, rct[n], 0, r, &pNew));
1953: PetscCall(DMPlexGetTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1954: for (cl = 0; cl < clSize * 2; cl += 2) {
1955: const PetscInt sv = closure[cl];
1957: if ((sv >= vStart) && (sv < vEnd)) tr->trSubVerts[ct][rct[n]][r][Nv++] = sv - vStart;
1958: }
1959: PetscCall(DMPlexRestoreTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1960: PetscCheck(Nv == DMPolytopeTypeGetNumVertices(rct[n]), PETSC_COMM_SELF, PETSC_ERR_PLIB, "Number of vertices %" PetscInt_FMT " != %" PetscInt_FMT " for %s subcell %" PetscInt_FMT " from cell %s", Nv, DMPolytopeTypeGetNumVertices(rct[n]), DMPolytopeTypes[rct[n]], r, DMPolytopeTypes[ct]);
1961: }
1962: }
1963: if (debug) {
1964: DMPolytopeType *rct;
1965: PetscInt *rsize, *rcone, *rornt;
1966: PetscInt v, dE = trdim, d, off = 0;
1968: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %" PetscInt_FMT " vertices\n", DMPolytopeTypes[ct], tr->trNv[ct]));
1969: for (v = 0; v < tr->trNv[ct]; ++v) {
1970: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1971: for (d = 0; d < dE; ++d) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%g ", (double)PetscRealPart(tr->trVerts[ct][off++])));
1972: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1973: }
1975: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1976: for (n = 0; n < Nct; ++n) {
1977: if (rct[n] == DM_POLYTOPE_POINT) continue;
1978: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %s subvertices %" PetscInt_FMT "\n", DMPolytopeTypes[ct], DMPolytopeTypes[rct[n]], tr->trNv[ct]));
1979: for (r = 0; r < rsize[n]; ++r) {
1980: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1981: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct[n]); ++v) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%" PetscInt_FMT " ", tr->trSubVerts[ct][rct[n]][r][v]));
1982: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1983: }
1984: }
1985: }
1986: PetscCall(DMDestroy(&refdm));
1987: PetscCall(DMDestroy(&trdm));
1988: PetscCall(DMPlexTransformDestroy(&reftr));
1989: }
1990: PetscFunctionReturn(PETSC_SUCCESS);
1991: }
1993: /*@
1994: DMPlexTransformGetCellVertices - Get the set of transformed vertices lying in the closure of a reference cell of given type
1996: Input Parameters:
1997: + tr - The `DMPlexTransform` object
1998: - ct - The cell type
2000: Output Parameters:
2001: + Nv - The number of transformed vertices in the closure of the reference cell of given type
2002: - trVerts - The coordinates of these vertices in the reference cell
2004: Level: developer
2006: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSubcellVertices()`
2007: @*/
2008: PetscErrorCode DMPlexTransformGetCellVertices(DMPlexTransform tr, DMPolytopeType ct, PetscInt *Nv, PetscScalar *trVerts[])
2009: {
2010: PetscFunctionBegin;
2011: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
2012: if (Nv) *Nv = tr->trNv[ct];
2013: if (trVerts) *trVerts = tr->trVerts[ct];
2014: PetscFunctionReturn(PETSC_SUCCESS);
2015: }
2017: /*@
2018: DMPlexTransformGetSubcellVertices - Get the set of transformed vertices defining a subcell in the reference cell of given type
2020: Input Parameters:
2021: + tr - The `DMPlexTransform` object
2022: . ct - The cell type
2023: . rct - The subcell type
2024: - r - The subcell index
2026: Output Parameter:
2027: . subVerts - The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`
2029: Level: developer
2031: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`
2032: @*/
2033: PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
2034: {
2035: PetscFunctionBegin;
2036: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
2037: PetscCheck(tr->trSubVerts[ct][rct], PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONG, "Cell type %s does not produce %s", DMPolytopeTypes[ct], DMPolytopeTypes[rct]);
2038: if (subVerts) *subVerts = tr->trSubVerts[ct][rct][r];
2039: PetscFunctionReturn(PETSC_SUCCESS);
2040: }
2042: /*@
2043: DMPlexTransformOrderSupports - Reorder newly introduced point supports
2045: Collective
2047: Input Parameters:
2048: + tr - The `DMPlexTransform`
2049: . dm - The original `DM`
2050: - trdm - The transformed `DM` which is reordered
2052: Level: intermediate
2054: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
2055: @*/
2056: PetscErrorCode DMPlexTransformOrderSupports(DMPlexTransform tr, DM dm, DM trdm)
2057: {
2058: PetscFunctionBegin;
2062: PetscTryTypeMethod(tr, ordersupports, dm, trdm);
2063: PetscFunctionReturn(PETSC_SUCCESS);
2064: }
2066: /* Computes new vertex as the barycenter, or centroid */
2067: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
2068: {
2069: PetscInt v, d;
2071: PetscFunctionBeginHot;
2072: PetscCheck(ct == DM_POLYTOPE_POINT, PETSC_COMM_SELF, PETSC_ERR_SUP, "Not for refined point type %s", DMPolytopeTypes[ct]);
2073: for (d = 0; d < dE; ++d) out[d] = 0.0;
2074: for (v = 0; v < Nv; ++v)
2075: for (d = 0; d < dE; ++d) out[d] += in[v * dE + d];
2076: for (d = 0; d < dE; ++d) out[d] /= Nv;
2077: PetscFunctionReturn(PETSC_SUCCESS);
2078: }
2080: /*@
2081: DMPlexTransformMapCoordinates - Calculate new coordinates for produced points
2083: Not collective
2085: Input Parameters:
2086: + tr - The `DMPlexTransform`
2087: . pct - The cell type of the parent, from whom the new cell is being produced
2088: . ct - The type being produced
2089: . p - The original point
2090: . r - The replica number requested for the produced cell type
2091: . Nv - Number of vertices in the closure of the parent cell
2092: . dE - Spatial dimension
2093: - in - array of size Nv*dE, holding coordinates of the vertices in the closure of the parent cell
2095: Output Parameter:
2096: . out - The coordinates of the new vertices
2098: Level: intermediate
2100: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
2101: @*/
2102: PetscErrorCode DMPlexTransformMapCoordinates(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
2103: {
2104: PetscFunctionBeginHot;
2105: if (Nv) PetscUseTypeMethod(tr, mapcoordinates, pct, ct, p, r, Nv, dE, in, out);
2106: PetscFunctionReturn(PETSC_SUCCESS);
2107: }
2109: /*
2110: DMPlexTransformLabelProducedPoint_Private - Label a produced point based on its parent label
2112: Not Collective
2114: Input Parameters:
2115: + tr - The `DMPlexTransform`
2116: . label - The label in the transformed mesh
2117: . pp - The parent point in the original mesh
2118: . pct - The cell type of the parent point
2119: . p - The point in the transformed mesh
2120: . ct - The cell type of the point
2121: . r - The replica number of the point
2122: - val - The label value of the parent point
2124: Level: developer
2126: .seealso: `DMPlexTransformCreateLabels()`, `RefineLabel_Internal()`
2127: */
2128: static PetscErrorCode DMPlexTransformLabelProducedPoint_Private(DMPlexTransform tr, DMLabel label, PetscInt pp, DMPolytopeType pct, PetscInt p, DMPolytopeType ct, PetscInt r, PetscInt val)
2129: {
2130: PetscFunctionBeginHot;
2131: if (tr->labelMatchStrata && pct != ct) PetscFunctionReturn(PETSC_SUCCESS);
2132: PetscCall(DMLabelSetValue(label, p, val + tr->labelReplicaInc * r));
2133: PetscFunctionReturn(PETSC_SUCCESS);
2134: }
2136: static PetscErrorCode RefineLabel_Internal(DMPlexTransform tr, DMLabel label, DMLabel labelNew)
2137: {
2138: DM dm;
2139: IS valueIS;
2140: const PetscInt *values;
2141: PetscInt defVal, Nv, val;
2143: PetscFunctionBegin;
2144: PetscCall(DMPlexTransformGetDM(tr, &dm));
2145: PetscCall(DMLabelGetDefaultValue(label, &defVal));
2146: PetscCall(DMLabelSetDefaultValue(labelNew, defVal));
2147: PetscCall(DMLabelGetValueIS(label, &valueIS));
2148: PetscCall(ISGetLocalSize(valueIS, &Nv));
2149: PetscCall(ISGetIndices(valueIS, &values));
2150: for (val = 0; val < Nv; ++val) {
2151: IS pointIS;
2152: const PetscInt *points;
2153: PetscInt numPoints, p;
2155: /* Ensure refined label is created with same number of strata as
2156: * original (even if no entries here). */
2157: PetscCall(DMLabelAddStratum(labelNew, values[val]));
2158: PetscCall(DMLabelGetStratumIS(label, values[val], &pointIS));
2159: PetscCall(ISGetLocalSize(pointIS, &numPoints));
2160: PetscCall(ISGetIndices(pointIS, &points));
2161: for (p = 0; p < numPoints; ++p) {
2162: const PetscInt point = points[p];
2163: DMPolytopeType ct;
2164: DMPolytopeType *rct;
2165: PetscInt *rsize, *rcone, *rornt;
2166: PetscInt Nct, n, r, pNew = 0;
2168: PetscCall(DMPlexGetCellType(dm, point, &ct));
2169: PetscCall(DMPlexTransformCellTransform(tr, ct, point, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2170: for (n = 0; n < Nct; ++n) {
2171: for (r = 0; r < rsize[n]; ++r) {
2172: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], point, r, &pNew));
2173: PetscCall(DMPlexTransformLabelProducedPoint_Private(tr, labelNew, point, ct, pNew, rct[n], r, values[val]));
2174: }
2175: }
2176: }
2177: PetscCall(ISRestoreIndices(pointIS, &points));
2178: PetscCall(ISDestroy(&pointIS));
2179: }
2180: PetscCall(ISRestoreIndices(valueIS, &values));
2181: PetscCall(ISDestroy(&valueIS));
2182: PetscFunctionReturn(PETSC_SUCCESS);
2183: }
2185: static PetscErrorCode DMPlexTransformCreateLabels(DMPlexTransform tr, DM rdm)
2186: {
2187: DM dm;
2188: PetscInt numLabels, l;
2190: PetscFunctionBegin;
2191: PetscCall(DMPlexTransformGetDM(tr, &dm));
2192: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
2193: PetscCall(DMGetNumLabels(dm, &numLabels));
2194: for (l = 0; l < numLabels; ++l) {
2195: DMLabel label, labelNew;
2196: const char *lname;
2197: PetscBool isDepth, isCellType;
2199: PetscCall(DMGetLabelName(dm, l, &lname));
2200: PetscCall(PetscStrcmp(lname, "depth", &isDepth));
2201: if (isDepth) continue;
2202: PetscCall(PetscStrcmp(lname, "celltype", &isCellType));
2203: if (isCellType) continue;
2204: PetscCall(DMCreateLabel(rdm, lname));
2205: PetscCall(DMGetLabel(dm, lname, &label));
2206: PetscCall(DMGetLabel(rdm, lname, &labelNew));
2207: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2208: }
2209: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
2210: PetscFunctionReturn(PETSC_SUCCESS);
2211: }
2213: /*@
2214: DMPlexTransformCreateDiscLabels - Refine the labels which define field and discrete system regions on the transformed `DM`
2216: Not Collective
2218: Input Parameters:
2219: + tr - The `DMPlexTransform`
2220: - rdm - The refined `DM` produced by the transform
2222: Level: developer
2224: Note:
2225: Region labels attached to fields (see `DMSetField()`) and to discrete systems (see `DMSetRegionNumDS()`) are
2226: not automatically included in the list of `DM` labels, so this routine walks each field and each `PetscDS`
2227: and updates the labels to refer to the refined points.
2229: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMSetField()`, `DMSetRegionNumDS()`
2230: @*/
2231: /* This refines the labels which define regions for fields and DSes since they are not in the list of labels for the DM */
2232: PetscErrorCode DMPlexTransformCreateDiscLabels(DMPlexTransform tr, DM rdm)
2233: {
2234: DM dm;
2235: PetscInt Nf, f, Nds, s;
2237: PetscFunctionBegin;
2238: PetscCall(DMPlexTransformGetDM(tr, &dm));
2239: PetscCall(DMGetNumFields(dm, &Nf));
2240: for (f = 0; f < Nf; ++f) {
2241: DMLabel label, labelNew;
2242: PetscObject obj;
2243: const char *lname;
2245: PetscCall(DMGetField(rdm, f, &label, &obj));
2246: if (!label) continue;
2247: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
2248: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
2249: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2250: PetscCall(DMSetField_Internal(rdm, f, labelNew, obj));
2251: PetscCall(DMLabelDestroy(&labelNew));
2252: }
2253: PetscCall(DMGetNumDS(dm, &Nds));
2254: for (s = 0; s < Nds; ++s) {
2255: DMLabel label, labelNew;
2256: const char *lname;
2258: PetscCall(DMGetRegionNumDS(rdm, s, &label, NULL, NULL, NULL));
2259: if (!label) continue;
2260: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
2261: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
2262: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2263: PetscCall(DMSetRegionNumDS(rdm, s, labelNew, NULL, NULL, NULL));
2264: PetscCall(DMLabelDestroy(&labelNew));
2265: }
2266: PetscFunctionReturn(PETSC_SUCCESS);
2267: }
2269: static PetscErrorCode DMPlexTransformCreateSF(DMPlexTransform tr, DM rdm)
2270: {
2271: DM dm;
2272: PetscSF sf, sfNew;
2273: PetscInt numRoots, numLeaves, numLeavesNew = 0, l, m;
2274: const PetscInt *localPoints;
2275: const PetscSFNode *remotePoints;
2276: PetscInt *localPointsNew;
2277: PetscSFNode *remotePointsNew;
2278: PetscInt pStartNew, pEndNew, pNew;
2279: /* Brute force algorithm */
2280: PetscSF rsf;
2281: PetscSection s;
2282: const PetscInt *rootdegree;
2283: PetscInt *rootPointsNew, *remoteOffsets;
2284: PetscInt numPointsNew, pStart, pEnd, p;
2286: PetscFunctionBegin;
2287: PetscCall(DMPlexTransformGetDM(tr, &dm));
2288: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2289: PetscCall(DMPlexGetChart(rdm, &pStartNew, &pEndNew));
2290: PetscCall(DMGetPointSF(dm, &sf));
2291: PetscCall(DMGetPointSF(rdm, &sfNew));
2292: /* Calculate size of new SF */
2293: PetscCall(PetscSFGetGraph(sf, &numRoots, &numLeaves, &localPoints, &remotePoints));
2294: if (numRoots < 0) {
2295: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2296: PetscFunctionReturn(PETSC_SUCCESS);
2297: }
2298: for (l = 0; l < numLeaves; ++l) {
2299: const PetscInt p = localPoints ? localPoints[l] : l;
2300: DMPolytopeType ct;
2301: DMPolytopeType *rct;
2302: PetscInt *rsize, *rcone, *rornt;
2303: PetscInt Nct, n;
2305: PetscCall(DMPlexGetCellType(dm, p, &ct));
2306: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2307: for (n = 0; n < Nct; ++n) numLeavesNew += rsize[n];
2308: }
2309: /* Send new root point numbers
2310: It is possible to optimize for regular transforms by sending only the cell type offsets, but it seems a needless complication
2311: */
2312: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2313: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)dm), &s));
2314: PetscCall(PetscSectionSetChart(s, pStart, pEnd));
2315: for (p = pStart; p < pEnd; ++p) {
2316: DMPolytopeType ct;
2317: DMPolytopeType *rct;
2318: PetscInt *rsize, *rcone, *rornt;
2319: PetscInt Nct, n;
2321: PetscCall(DMPlexGetCellType(dm, p, &ct));
2322: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2323: for (n = 0; n < Nct; ++n) PetscCall(PetscSectionAddDof(s, p, rsize[n]));
2324: }
2325: PetscCall(PetscSectionSetUp(s));
2326: PetscCall(PetscSectionGetStorageSize(s, &numPointsNew));
2327: PetscCall(PetscSFCreateRemoteOffsets(sf, s, s, &remoteOffsets));
2328: PetscCall(PetscSFCreateSectionSF(sf, s, remoteOffsets, s, &rsf));
2329: PetscCall(PetscFree(remoteOffsets));
2330: PetscCall(PetscSFComputeDegreeBegin(sf, &rootdegree));
2331: PetscCall(PetscSFComputeDegreeEnd(sf, &rootdegree));
2332: PetscCall(PetscMalloc1(numPointsNew, &rootPointsNew));
2333: for (p = 0; p < numPointsNew; ++p) rootPointsNew[p] = -1;
2334: for (p = pStart; p < pEnd; ++p) {
2335: DMPolytopeType ct;
2336: DMPolytopeType *rct;
2337: PetscInt *rsize, *rcone, *rornt;
2338: PetscInt Nct, n, r, off;
2340: if (!rootdegree[p - pStart]) continue;
2341: PetscCall(PetscSectionGetOffset(s, p, &off));
2342: PetscCall(DMPlexGetCellType(dm, p, &ct));
2343: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2344: for (n = 0, m = 0; n < Nct; ++n) {
2345: for (r = 0; r < rsize[n]; ++r, ++m) {
2346: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2347: rootPointsNew[off + m] = pNew;
2348: }
2349: }
2350: }
2351: PetscCall(PetscSFBcastBegin(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2352: PetscCall(PetscSFBcastEnd(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2353: PetscCall(PetscSFDestroy(&rsf));
2354: PetscCall(PetscMalloc1(numLeavesNew, &localPointsNew));
2355: PetscCall(PetscMalloc1(numLeavesNew, &remotePointsNew));
2356: for (l = 0, m = 0; l < numLeaves; ++l) {
2357: const PetscInt p = localPoints ? localPoints[l] : l;
2358: DMPolytopeType ct;
2359: DMPolytopeType *rct;
2360: PetscInt *rsize, *rcone, *rornt;
2361: PetscInt Nct, n, r, q, off;
2363: PetscCall(PetscSectionGetOffset(s, p, &off));
2364: PetscCall(DMPlexGetCellType(dm, p, &ct));
2365: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2366: for (n = 0, q = 0; n < Nct; ++n) {
2367: for (r = 0; r < rsize[n]; ++r, ++m, ++q) {
2368: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2369: localPointsNew[m] = pNew;
2370: remotePointsNew[m].index = rootPointsNew[off + q];
2371: remotePointsNew[m].rank = remotePoints[l].rank;
2372: }
2373: }
2374: }
2375: PetscCall(PetscSectionDestroy(&s));
2376: PetscCall(PetscFree(rootPointsNew));
2377: /* SF needs sorted leaves to correctly calculate Gather */
2378: {
2379: PetscSFNode *rp, *rtmp;
2380: PetscInt *lp, *idx, *ltmp, i;
2382: PetscCall(PetscMalloc1(numLeavesNew, &idx));
2383: PetscCall(PetscMalloc1(numLeavesNew, &lp));
2384: PetscCall(PetscMalloc1(numLeavesNew, &rp));
2385: for (i = 0; i < numLeavesNew; ++i) {
2386: PetscCheck(!(localPointsNew[i] < pStartNew) && !(localPointsNew[i] >= pEndNew), PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Local SF point %" PetscInt_FMT " (%" PetscInt_FMT ") not in [%" PetscInt_FMT ", %" PetscInt_FMT ")", localPointsNew[i], i, pStartNew, pEndNew);
2387: idx[i] = i;
2388: }
2389: PetscCall(PetscSortIntWithPermutation(numLeavesNew, localPointsNew, idx));
2390: for (i = 0; i < numLeavesNew; ++i) {
2391: lp[i] = localPointsNew[idx[i]];
2392: rp[i] = remotePointsNew[idx[i]];
2393: }
2394: ltmp = localPointsNew;
2395: localPointsNew = lp;
2396: rtmp = remotePointsNew;
2397: remotePointsNew = rp;
2398: PetscCall(PetscFree(idx));
2399: PetscCall(PetscFree(ltmp));
2400: PetscCall(PetscFree(rtmp));
2401: }
2402: PetscCall(PetscSFSetGraph(sfNew, pEndNew - pStartNew, numLeavesNew, localPointsNew, PETSC_OWN_POINTER, remotePointsNew, PETSC_OWN_POINTER));
2403: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2404: if (PetscDefined(USE_DEBUG)) {
2405: PetscInt overlap;
2407: // Need to set overlap because some transforms put cells in the overlap
2408: PetscCall(DMPlexGetOverlap(rdm, &overlap));
2409: PetscCall(DMPlexSetOverlap(rdm, NULL, 1));
2410: PetscCall(DMPlexCheckPointSF(rdm, sfNew, PETSC_FALSE));
2411: PetscCall(DMPlexSetOverlap(rdm, NULL, overlap));
2412: }
2413: PetscFunctionReturn(PETSC_SUCCESS);
2414: }
2416: /*
2417: DMPlexCellRefinerMapLocalizedCoordinates - Given a cell of `DMPolytopeType` `ct` with localized coordinates `x`, generate localized coordinates `xr` for subcell `r` of type `rct`.
2419: Not Collective
2421: Input Parameters:
2422: + tr - The `DMPlexTransform`
2423: . ct - The type of the parent cell
2424: . rct - The type of the produced cell
2425: . r - The index of the produced cell
2426: - x - The localized coordinates for the parent cell
2428: Output Parameter:
2429: . xr - The localized coordinates for the produced cell
2431: Level: developer
2433: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexCellRefinerSetCoordinates()`
2434: */
2435: static PetscErrorCode DMPlexTransformMapLocalizedCoordinates(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, const PetscScalar x[], PetscScalar xr[])
2436: {
2437: PetscFE fe = NULL;
2438: PetscInt cdim, v, *subcellV;
2440: PetscFunctionBegin;
2441: PetscCall(DMPlexTransformGetCoordinateFE(tr, ct, &fe));
2442: PetscCall(DMPlexTransformGetSubcellVertices(tr, ct, rct, r, &subcellV));
2443: PetscCall(PetscFEGetNumComponents(fe, &cdim));
2444: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct); ++v) PetscCall(PetscFEInterpolate_Static(fe, x, tr->refGeom[ct], subcellV[v], &xr[v * cdim]));
2445: PetscFunctionReturn(PETSC_SUCCESS);
2446: }
2448: static PetscErrorCode DMPlexTransformSetCoordinates(DMPlexTransform tr, DM rdm)
2449: {
2450: DM dm, cdm, cdmCell, cdmNew, cdmCellNew;
2451: PetscSection coordSection, coordSectionNew, coordSectionCell, coordSectionCellNew;
2452: Vec coordsLocal, coordsLocalNew, coordsLocalCell = NULL, coordsLocalCellNew;
2453: const PetscScalar *coords;
2454: PetscScalar *coordsNew;
2455: const PetscReal *maxCell, *Lstart, *L;
2456: PetscBool localized, localizeVertices = PETSC_FALSE, localizeCells = PETSC_FALSE, sparseLocalize;
2457: PetscInt dE, dEo, d, cStart, cEnd, c, cStartNew, cEndNew, vStartNew, vEndNew, v, pStart, pEnd, p;
2459: PetscFunctionBegin;
2460: // Need to clear the DMField for coordinates
2461: PetscCall(DMSetCoordinateField(rdm, NULL));
2462: PetscCall(DMPlexTransformGetDM(tr, &dm));
2463: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2464: PetscCall(DMGetCoordinateDM(dm, &cdm));
2465: PetscCall(DMGetCellCoordinateDM(dm, &cdmCell));
2466: PetscCall(DMGetCoordinatesLocalized(dm, &localized));
2467: PetscCall(DMGetSparseLocalize(dm, &sparseLocalize));
2468: PetscCall(DMSetSparseLocalize(rdm, sparseLocalize));
2469: PetscCall(DMGetPeriodicity(dm, &maxCell, &Lstart, &L));
2470: if (localized) {
2471: /* Localize coordinates of new vertices */
2472: localizeVertices = PETSC_TRUE;
2473: /* If we do not have a mechanism for automatically localizing cell coordinates, we need to compute them explicitly for every divided cell */
2474: if (!maxCell) localizeCells = PETSC_TRUE;
2475: }
2476: PetscCall(DMGetCoordinateSection(dm, &coordSection));
2477: PetscCall(PetscSectionGetFieldComponents(coordSection, 0, &dEo));
2478: PetscCall(DMGetCoordinateDim(rdm, &dE));
2479: if (maxCell) {
2480: PetscReal *LstartNew, *LNew, *maxCellNew;
2482: PetscCall(PetscMalloc3(dE, &LstartNew, dE, &LNew, dE, &maxCellNew));
2483: for (d = 0; d < dEo; ++d) {
2484: LstartNew[d] = Lstart[d];
2485: LNew[d] = L[d];
2486: maxCellNew[d] = maxCell[d] / tr->redFactor;
2487: }
2488: for (d = dEo; d < dE; ++d) {
2489: LstartNew[d] = 0.;
2490: LNew[d] = -1.;
2491: maxCellNew[d] = -1.;
2492: }
2493: PetscCall(DMSetPeriodicity(rdm, maxCellNew, LstartNew, LNew));
2494: PetscCall(PetscFree3(LstartNew, LNew, maxCellNew));
2495: }
2496: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionNew));
2497: PetscCall(PetscSectionSetNumFields(coordSectionNew, 1));
2498: PetscCall(PetscSectionSetFieldComponents(coordSectionNew, 0, dE));
2499: PetscCall(DMPlexGetDepthStratum(rdm, 0, &vStartNew, &vEndNew));
2500: PetscCall(PetscSectionSetChart(coordSectionNew, vStartNew, vEndNew));
2501: /* Localization should be inherited */
2502: /* Stefano calculates parent cells for each new cell for localization */
2503: /* Localized cells need coordinates of closure */
2504: for (v = vStartNew; v < vEndNew; ++v) {
2505: PetscCall(PetscSectionSetDof(coordSectionNew, v, dE));
2506: PetscCall(PetscSectionSetFieldDof(coordSectionNew, v, 0, dE));
2507: }
2508: PetscCall(PetscSectionSetUp(coordSectionNew));
2509: PetscCall(DMSetCoordinateSection(rdm, PETSC_DETERMINE, coordSectionNew));
2511: if (localizeCells) {
2512: PetscCall(DMGetCoordinateDM(rdm, &cdmNew));
2513: PetscCall(DMClone(cdmNew, &cdmCellNew));
2514: PetscCall(DMSetCellCoordinateDM(rdm, cdmCellNew));
2515: PetscCall(DMDestroy(&cdmCellNew));
2517: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionCellNew));
2518: PetscCall(PetscSectionSetNumFields(coordSectionCellNew, 1));
2519: PetscCall(PetscSectionSetFieldComponents(coordSectionCellNew, 0, dE));
2520: PetscCall(DMPlexGetHeightStratum(rdm, 0, &cStartNew, &cEndNew));
2521: PetscCall(PetscSectionSetChart(coordSectionCellNew, cStartNew, cEndNew));
2523: PetscCall(DMGetCellCoordinateSection(dm, &coordSectionCell));
2524: PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
2525: for (c = cStart; c < cEnd; ++c) {
2526: PetscInt dof;
2528: PetscCall(PetscSectionGetDof(coordSectionCell, c, &dof));
2529: if (dof) {
2530: DMPolytopeType ct;
2531: DMPolytopeType *rct;
2532: PetscInt *rsize, *rcone, *rornt;
2533: PetscInt dim, cNew, Nct, n, r;
2535: PetscCall(DMPlexGetCellType(dm, c, &ct));
2536: dim = DMPolytopeTypeGetDim(ct);
2537: PetscCall(DMPlexTransformCellTransform(tr, ct, c, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2538: /* This allows for different cell types */
2539: for (n = 0; n < Nct; ++n) {
2540: if (dim != DMPolytopeTypeGetDim(rct[n])) continue;
2541: for (r = 0; r < rsize[n]; ++r) {
2542: PetscInt *closure = NULL;
2543: PetscInt clSize, cl, Nv = 0;
2545: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], c, r, &cNew));
2546: PetscCall(DMPlexGetTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2547: for (cl = 0; cl < clSize * 2; cl += 2) {
2548: if ((closure[cl] >= vStartNew) && (closure[cl] < vEndNew)) ++Nv;
2549: }
2550: PetscCall(DMPlexRestoreTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2551: PetscCall(PetscSectionSetDof(coordSectionCellNew, cNew, Nv * dE));
2552: PetscCall(PetscSectionSetFieldDof(coordSectionCellNew, cNew, 0, Nv * dE));
2553: }
2554: }
2555: }
2556: }
2557: PetscCall(PetscSectionSetUp(coordSectionCellNew));
2558: PetscCall(DMSetCellCoordinateSection(rdm, PETSC_DETERMINE, coordSectionCellNew));
2559: }
2560: PetscCall(DMViewFromOptions(dm, NULL, "-coarse_dm_view"));
2561: {
2562: VecType vtype;
2563: PetscInt coordSizeNew, bs;
2564: const char *name;
2566: PetscCall(DMGetCoordinatesLocal(dm, &coordsLocal));
2567: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalNew));
2568: PetscCall(PetscSectionGetStorageSize(coordSectionNew, &coordSizeNew));
2569: PetscCall(VecSetSizes(coordsLocalNew, coordSizeNew, PETSC_DETERMINE));
2570: PetscCall(PetscObjectGetName((PetscObject)coordsLocal, &name));
2571: PetscCall(PetscObjectSetName((PetscObject)coordsLocalNew, name));
2572: PetscCall(VecGetBlockSize(coordsLocal, &bs));
2573: PetscCall(VecSetBlockSize(coordsLocalNew, dEo == dE ? bs : dE));
2574: PetscCall(VecGetType(coordsLocal, &vtype));
2575: PetscCall(VecSetType(coordsLocalNew, vtype));
2576: }
2577: PetscCall(VecGetArrayRead(coordsLocal, &coords));
2578: PetscCall(VecGetArray(coordsLocalNew, &coordsNew));
2579: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2580: /* First set coordinates for vertices */
2581: for (p = pStart; p < pEnd; ++p) {
2582: DMPolytopeType ct;
2583: DMPolytopeType *rct;
2584: PetscInt *rsize, *rcone, *rornt;
2585: PetscInt Nct, n, r;
2586: PetscBool hasVertex = PETSC_FALSE;
2588: PetscCall(DMPlexGetCellType(dm, p, &ct));
2589: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2590: for (n = 0; n < Nct; ++n) {
2591: if (rct[n] == DM_POLYTOPE_POINT) {
2592: hasVertex = PETSC_TRUE;
2593: break;
2594: }
2595: }
2596: if (hasVertex) {
2597: const PetscScalar *icoords = NULL;
2598: const PetscScalar *array = NULL;
2599: PetscScalar *pcoords = NULL;
2600: PetscBool isDG;
2601: PetscInt Nc, Nv, v, d;
2603: PetscCall(DMPlexGetCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2605: icoords = pcoords;
2606: Nv = Nc / dEo;
2607: if (ct != DM_POLYTOPE_POINT) {
2608: if (localizeVertices && maxCell) {
2609: PetscScalar anchor[3];
2611: for (d = 0; d < dEo; ++d) anchor[d] = pcoords[d];
2612: for (v = 0; v < Nv; ++v) PetscCall(DMLocalizeCoordinate_Internal(dm, dEo, anchor, &pcoords[v * dEo], &pcoords[v * dEo]));
2613: }
2614: }
2615: for (n = 0; n < Nct; ++n) {
2616: if (rct[n] != DM_POLYTOPE_POINT) continue;
2617: for (r = 0; r < rsize[n]; ++r) {
2618: PetscScalar vcoords[3];
2619: PetscInt vNew, off;
2621: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &vNew));
2622: PetscCall(PetscSectionGetOffset(coordSectionNew, vNew, &off));
2623: PetscCall(DMPlexTransformMapCoordinates(tr, ct, rct[n], p, r, Nv, dEo, icoords, vcoords));
2624: PetscCall(DMSnapToGeomModel(dm, p, dE, vcoords, &coordsNew[off]));
2625: }
2626: }
2627: PetscCall(DMPlexRestoreCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2628: }
2629: }
2630: PetscCall(VecRestoreArrayRead(coordsLocal, &coords));
2631: PetscCall(VecRestoreArray(coordsLocalNew, &coordsNew));
2632: PetscCall(DMSetCoordinatesLocal(rdm, coordsLocalNew));
2633: PetscCall(VecDestroy(&coordsLocalNew));
2634: PetscCall(PetscSectionDestroy(&coordSectionNew));
2635: /* Then set coordinates for cells by localizing */
2636: if (!localizeCells) PetscCall(DMLocalizeCoordinates(rdm));
2637: else {
2638: VecType vtype;
2639: PetscInt coordSizeNew, bs;
2640: const char *name;
2642: PetscCall(DMGetCellCoordinatesLocal(dm, &coordsLocalCell));
2643: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalCellNew));
2644: PetscCall(PetscSectionGetStorageSize(coordSectionCellNew, &coordSizeNew));
2645: PetscCall(VecSetSizes(coordsLocalCellNew, coordSizeNew, PETSC_DETERMINE));
2646: PetscCall(PetscObjectGetName((PetscObject)coordsLocalCell, &name));
2647: PetscCall(PetscObjectSetName((PetscObject)coordsLocalCellNew, name));
2648: PetscCall(VecGetBlockSize(coordsLocalCell, &bs));
2649: PetscCall(VecSetBlockSize(coordsLocalCellNew, dEo == dE ? bs : dE));
2650: PetscCall(VecGetType(coordsLocalCell, &vtype));
2651: PetscCall(VecSetType(coordsLocalCellNew, vtype));
2652: PetscCall(VecGetArrayRead(coordsLocalCell, &coords));
2653: PetscCall(VecGetArray(coordsLocalCellNew, &coordsNew));
2655: for (p = pStart; p < pEnd; ++p) {
2656: DMPolytopeType ct;
2657: DMPolytopeType *rct;
2658: PetscInt *rsize, *rcone, *rornt;
2659: PetscInt dof = 0, Nct, n, r;
2661: PetscCall(DMPlexGetCellType(dm, p, &ct));
2662: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2663: if (p >= cStart && p < cEnd) PetscCall(PetscSectionGetDof(coordSectionCell, p, &dof));
2664: if (dof) {
2665: const PetscScalar *pcoords;
2667: PetscCall(DMPlexPointLocalRead(cdmCell, p, coords, &pcoords));
2668: for (n = 0; n < Nct; ++n) {
2669: const PetscInt Nr = rsize[n];
2671: if (DMPolytopeTypeGetDim(ct) != DMPolytopeTypeGetDim(rct[n])) continue;
2672: for (r = 0; r < Nr; ++r) {
2673: PetscInt pNew, offNew;
2675: /* It looks like Stefano and Lisandro are allowing localized coordinates without defining the periodic boundary, which means that
2676: DMLocalizeCoordinate_Internal() will not work. Localized coordinates will have to have obtained by the affine map of the larger
2677: cell to the ones it produces. */
2678: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2679: PetscCall(PetscSectionGetOffset(coordSectionCellNew, pNew, &offNew));
2680: PetscCall(DMPlexTransformMapLocalizedCoordinates(tr, ct, rct[n], r, pcoords, &coordsNew[offNew]));
2681: }
2682: }
2683: }
2684: }
2685: PetscCall(VecRestoreArrayRead(coordsLocalCell, &coords));
2686: PetscCall(VecRestoreArray(coordsLocalCellNew, &coordsNew));
2687: PetscCall(DMSetCellCoordinatesLocal(rdm, coordsLocalCellNew));
2688: PetscCall(VecDestroy(&coordsLocalCellNew));
2689: PetscCall(PetscSectionDestroy(&coordSectionCellNew));
2690: }
2691: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2692: PetscFunctionReturn(PETSC_SUCCESS);
2693: }
2695: /*@
2696: DMPlexTransformApply - Execute the transformation, producing another `DM`
2698: Collective
2700: Input Parameters:
2701: + tr - The `DMPlexTransform` object
2702: - dm - The original `DM`
2704: Output Parameter:
2705: . trdm - The transformed `DM`
2707: Level: intermediate
2709: Options Database Keys:
2710: + -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
2711: . -dm_plex_transform_label_replica_inc num - Increment for the label value to be multiplied by the replica number
2712: - -dm_plex_transform_active name - Name for active mesh label
2714: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformCreate()`, `DMPlexTransformSetDM()`
2715: @*/
2716: PetscErrorCode DMPlexTransformApply(DMPlexTransform tr, DM dm, DM *trdm)
2717: {
2718: DM rdm;
2719: DMPlexInterpolatedFlag interp;
2720: PetscInt pStart, pEnd;
2722: PetscFunctionBegin;
2725: PetscAssertPointer(trdm, 3);
2726: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2727: PetscCall(DMPlexTransformSetDM(tr, dm));
2729: PetscCall(DMCreate(PetscObjectComm((PetscObject)dm), &rdm));
2730: PetscCall(DMSetType(rdm, DMPLEX));
2731: PetscCall(DMPlexTransformSetDimensions(tr, dm, rdm));
2732: /* Calculate number of new points of each depth */
2733: PetscCall(DMPlexIsInterpolatedCollective(dm, &interp));
2734: PetscCheck(interp == DMPLEX_INTERPOLATED_FULL, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be fully interpolated for regular refinement");
2735: /* Step 1: Set chart */
2736: PetscCall(DMPlexTransformGetChart(tr, &pStart, &pEnd));
2737: PetscCall(DMPlexSetChart(rdm, pStart, pEnd));
2738: /* Step 2: Set cone/support sizes (automatically stratifies) */
2739: PetscCall(DMPlexTransformSetConeSizes(tr, rdm));
2740: /* Step 3: Setup refined DM */
2741: PetscCall(DMSetUp(rdm));
2742: /* Step 4: Set cones and supports (automatically symmetrizes) */
2743: PetscCall(DMPlexTransformSetCones(tr, rdm));
2744: /* Step 5: Create pointSF */
2745: PetscCall(DMPlexTransformCreateSF(tr, rdm));
2746: /* Step 6: Create labels */
2747: PetscCall(DMPlexTransformCreateLabels(tr, rdm));
2748: /* Step 7: Set coordinates */
2749: PetscCall(DMPlexTransformSetCoordinates(tr, rdm));
2750: // Do not copy periodicity, which was handled in DMPlexTransformSetCoordinates()
2751: PetscCall(DMPlexCopy_Internal(dm, PETSC_FALSE, PETSC_TRUE, rdm));
2752: // If the original DM was configured from options, the transformed DM should be as well
2753: rdm->setfromoptionscalled = dm->setfromoptionscalled;
2754: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2755: *trdm = rdm;
2756: PetscFunctionReturn(PETSC_SUCCESS);
2757: }
2759: /*@
2760: DMPlexTransformAdaptLabel - Adapt a `DMPLEX` using a `DMPlexTransform` driven by a `DMLabel` marking cells to be refined or coarsened.
2762: Collective
2764: Input Parameters:
2765: + dm - the input `DMPLEX`
2766: . metric - unused; present to conform to the `DMAdaptor` label-based interface
2767: . adaptLabel - a `DMLabel` marking cells with `DM_ADAPT_REFINE`, `DM_ADAPT_COARSEN`, etc.
2768: - rgLabel - unused region-tag label; present to conform to the `DMAdaptor` interface
2770: Output Parameter:
2771: . rdm - the adapted `DMPLEX`
2773: Level: developer
2775: Note:
2776: This routine is registered as the "cellrefiner" adaptor by `DMGenerateRegisterAll()` and is invoked through `DMAdaptLabel()`.
2778: .seealso: `DMPLEX`, `DMPlexTransform`, `DMAdaptLabel()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`, `DMLabel`
2779: @*/
2780: PetscErrorCode DMPlexTransformAdaptLabel(DM dm, PETSC_UNUSED Vec metric, DMLabel adaptLabel, PETSC_UNUSED DMLabel rgLabel, DM *rdm)
2781: {
2782: DMPlexTransform tr;
2783: DM cdm, rcdm;
2784: const char *prefix;
2785: PetscBool save;
2787: PetscFunctionBegin;
2788: PetscCall(DMPlexTransformCreate(PetscObjectComm((PetscObject)dm), &tr));
2789: PetscCall(PetscObjectSetName((PetscObject)tr, "Adapt Label Transform"));
2790: PetscCall(PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix));
2791: PetscCall(PetscObjectSetOptionsPrefix((PetscObject)tr, prefix));
2792: PetscCall(DMPlexTransformSetDM(tr, dm));
2793: PetscCall(DMPlexTransformSetFromOptions(tr));
2794: if (adaptLabel) PetscCall(DMPlexTransformSetActive(tr, adaptLabel));
2795: PetscCall(DMPlexTransformSetUp(tr));
2796: PetscCall(PetscObjectViewFromOptions((PetscObject)tr, NULL, "-dm_plex_transform_view"));
2797: PetscCall(DMPlexTransformApply(tr, dm, rdm));
2798: PetscCall(DMCopyDisc(dm, *rdm));
2799: PetscCall(DMGetCoordinateDM(dm, &cdm));
2800: PetscCall(DMGetCoordinateDM(*rdm, &rcdm));
2801: PetscCall(DMCopyDisc(cdm, rcdm));
2802: PetscCall(DMPlexTransformCreateDiscLabels(tr, *rdm));
2803: PetscCall(DMCopyDisc(dm, *rdm));
2804: PetscCall(DMPlexGetSaveTransform(dm, &save));
2805: if (save) PetscCall(DMPlexSetTransform(*rdm, tr));
2806: PetscCall(DMPlexTransformDestroy(&tr));
2807: ((DM_Plex *)(*rdm)->data)->useHashLocation = ((DM_Plex *)dm->data)->useHashLocation;
2808: PetscFunctionReturn(PETSC_SUCCESS);
2809: }