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: /*@C
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: /*@C
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: /*@C
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: PetscErrorCode DMPlexTransformGetChart(DMPlexTransform tr, PetscInt *pStart, PetscInt *pEnd)
896: {
897: PetscFunctionBegin;
898: if (pStart) *pStart = 0;
899: if (pEnd) *pEnd = tr->ctStartNew[tr->ctOrderNew[DM_NUM_POLYTOPES]];
900: PetscFunctionReturn(PETSC_SUCCESS);
901: }
903: PetscErrorCode DMPlexTransformGetCellType(DMPlexTransform tr, PetscInt cell, DMPolytopeType *celltype)
904: {
905: PetscInt ctNew;
907: PetscFunctionBegin;
909: PetscAssertPointer(celltype, 3);
910: /* TODO Can do bisection since everything is sorted */
911: for (ctNew = DM_POLYTOPE_POINT; ctNew < DM_NUM_POLYTOPES; ++ctNew) {
912: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
914: if (cell >= ctSN && cell < ctEN) break;
915: }
916: PetscCheck(ctNew < DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point %" PetscInt_FMT " cannot be located in the transformed mesh", cell);
917: *celltype = (DMPolytopeType)ctNew;
918: PetscFunctionReturn(PETSC_SUCCESS);
919: }
921: PetscErrorCode DMPlexTransformGetCellTypeStratum(DMPlexTransform tr, DMPolytopeType celltype, PetscInt *start, PetscInt *end)
922: {
923: PetscFunctionBegin;
925: if (start) *start = tr->ctStartNew[celltype];
926: if (end) *end = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[celltype] + 1]];
927: PetscFunctionReturn(PETSC_SUCCESS);
928: }
930: PetscErrorCode DMPlexTransformGetDepth(DMPlexTransform tr, PetscInt *depth)
931: {
932: PetscFunctionBegin;
934: *depth = tr->depth;
935: PetscFunctionReturn(PETSC_SUCCESS);
936: }
938: PetscErrorCode DMPlexTransformGetDepthStratum(DMPlexTransform tr, PetscInt depth, PetscInt *start, PetscInt *end)
939: {
940: PetscFunctionBegin;
942: if (start) *start = tr->depthStart[depth];
943: if (end) *end = tr->depthEnd[depth];
944: PetscFunctionReturn(PETSC_SUCCESS);
945: }
947: /*@
948: DMPlexTransformGetMatchStrata - Get the flag which determines what points get added to the transformed labels
950: Not Collective
952: Input Parameter:
953: . tr - The `DMPlexTransform`
955: Output Parameter:
956: . match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
958: Level: intermediate
960: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetMatchStrata()`, `DMPlexGetPointDepth()`
961: @*/
962: PetscErrorCode DMPlexTransformGetMatchStrata(DMPlexTransform tr, PetscBool *match)
963: {
964: PetscFunctionBegin;
966: PetscAssertPointer(match, 2);
967: *match = tr->labelMatchStrata;
968: PetscFunctionReturn(PETSC_SUCCESS);
969: }
971: /*@
972: DMPlexTransformSetMatchStrata - Set the flag which determines what points get added to the transformed labels
974: Not Collective
976: Input Parameters:
977: + tr - The `DMPlexTransform`
978: - match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
980: Level: intermediate
982: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetMatchStrata()`, `DMPlexGetPointDepth()`
983: @*/
984: PetscErrorCode DMPlexTransformSetMatchStrata(DMPlexTransform tr, PetscBool match)
985: {
986: PetscFunctionBegin;
988: tr->labelMatchStrata = match;
989: PetscFunctionReturn(PETSC_SUCCESS);
990: }
992: /*@
993: DMPlexTransformCheck - Verify that the given `DM`, produced by this `DMPlexTransform`, is valid
995: Input Parameters:
996: + tr - The `DMPlexTransform` object
997: - dm - The `DM` to check
999: Level: advanced
1001: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1002: @*/
1003: PetscErrorCode DMPlexTransformCheck(DMPlexTransform tr, DM dm)
1004: {
1005: PetscFunctionBegin;
1006: PetscTryTypeMethod(tr, check, dm);
1007: PetscFunctionReturn(PETSC_SUCCESS);
1008: }
1010: /*@
1011: DMPlexTransformGetTargetPoint - Get the number of a point in the transformed mesh based on information from the original mesh.
1013: Not Collective
1015: Input Parameters:
1016: + tr - The `DMPlexTransform`
1017: . ct - The type of the original point which produces the new point
1018: . ctNew - The type of the new point
1019: . p - The original point which produces the new point
1020: - r - The replica number of the new point, meaning it is the rth point of type `ctNew` produced from `p`
1022: Output Parameter:
1023: . pNew - The new point number
1025: Level: developer
1027: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSourcePoint()`, `DMPlexTransformCellTransform()`
1028: @*/
1029: PetscErrorCode DMPlexTransformGetTargetPoint(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType ctNew, PetscInt p, PetscInt r, PetscInt *pNew)
1030: {
1031: DMPolytopeType *rct;
1032: PetscInt *rsize, *cone, *ornt;
1033: PetscInt rt, Nct, n, off, rp;
1034: DMLabel trType = tr->trType;
1035: PetscInt ctS = tr->ctStart[ct], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ct] + 1]];
1036: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
1037: PetscInt newp = ctSN, cind;
1039: PetscFunctionBeginHot;
1040: 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);
1041: PetscCall(DMPlexTransformCellTransform(tr, ct, p, &rt, &Nct, &rct, &rsize, &cone, &ornt));
1042: if (trType) {
1043: PetscCall(DMLabelGetValueIndex(trType, rt, &cind));
1044: PetscCall(DMLabelGetStratumPointIndex(trType, rt, p, &rp));
1045: 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);
1046: } else {
1047: cind = ct;
1048: rp = p - ctS;
1049: }
1050: off = tr->offset[cind * DM_NUM_POLYTOPES + ctNew];
1051: 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);
1052: newp += off;
1053: for (n = 0; n < Nct; ++n) {
1054: if (rct[n] == ctNew) {
1055: 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]);
1056: newp += rp * rsize[n] + r;
1057: if (!(newp >= ctSN && newp <= ctEN)) {
1058: PetscCall(PetscPrintf(PETSC_COMM_SELF, "Problem with point %" PetscInt_FMT " %s replica %" PetscInt_FMT "\n", p, DMPolytopeTypes[ct], r));
1059: 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));
1060: }
1061: break;
1062: }
1063: }
1065: 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);
1066: *pNew = newp;
1067: PetscFunctionReturn(PETSC_SUCCESS);
1068: }
1070: /*@
1071: DMPlexTransformGetSourcePoint - Get the number of a point in the original mesh based on information from the transformed mesh.
1073: Not Collective
1075: Input Parameters:
1076: + tr - The `DMPlexTransform`
1077: - pNew - The new point number
1079: Output Parameters:
1080: + ct - The type of the original point which produces the new point
1081: . ctNew - The type of the new point
1082: . p - The original point which produces the new point
1083: - r - The replica number of the new point, meaning it is the rth point of type ctNew produced from p
1085: Level: developer
1087: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetTargetPoint()`, `DMPlexTransformCellTransform()`
1088: @*/
1089: PetscErrorCode DMPlexTransformGetSourcePoint(DMPlexTransform tr, PetscInt pNew, DMPolytopeType *ct, DMPolytopeType *ctNew, PetscInt *p, PetscInt *r)
1090: {
1091: DMLabel trType = tr->trType;
1092: DMPolytopeType *rct, ctN;
1093: PetscInt *rsize, *cone, *ornt;
1094: PetscInt rt = -1, rtTmp, Nct, n, rp = 0, rO = 0, pO;
1095: PetscInt offset = -1, ctS, ctE, ctO = 0, ctTmp, rtS;
1097: PetscFunctionBegin;
1098: PetscCall(DMPlexTransformGetCellType(tr, pNew, &ctN));
1099: if (trType) {
1100: DM dm;
1101: IS rtIS;
1102: const PetscInt *reftypes;
1103: PetscInt Nrt, r, rtStart;
1105: PetscCall(DMPlexTransformGetDM(tr, &dm));
1106: PetscCall(DMLabelGetNumValues(trType, &Nrt));
1107: PetscCall(DMLabelGetValueIS(trType, &rtIS));
1108: PetscCall(ISGetIndices(rtIS, &reftypes));
1109: for (r = 0; r < Nrt; ++r) {
1110: const PetscInt off = tr->offset[r * DM_NUM_POLYTOPES + ctN];
1112: if (tr->ctStartNew[ctN] + off > pNew) continue;
1113: /* Check that any of this refinement type exist */
1114: /* TODO Actually keep track of the number produced here instead */
1115: if (off > offset) {
1116: rt = reftypes[r];
1117: offset = off;
1118: }
1119: }
1120: PetscCall(ISRestoreIndices(rtIS, &reftypes));
1121: PetscCall(ISDestroy(&rtIS));
1122: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1123: /* TODO Map refinement types to cell types */
1124: PetscCall(DMLabelGetStratumBounds(trType, rt, &rtStart, NULL));
1125: PetscCheck(rtStart >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Refinement type %" PetscInt_FMT " has no source points", rt);
1126: for (ctO = 0; ctO < DM_NUM_POLYTOPES; ++ctO) {
1127: PetscInt ctS = tr->ctStart[ctO], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1129: if ((rtStart >= ctS) && (rtStart < ctE)) break;
1130: }
1131: PetscCheck(ctO != DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Could not determine a cell type for refinement type %" PetscInt_FMT, rt);
1132: } else {
1133: for (ctTmp = 0; ctTmp < DM_NUM_POLYTOPES; ++ctTmp) {
1134: const PetscInt off = tr->offset[ctTmp * DM_NUM_POLYTOPES + ctN];
1136: if (tr->ctStartNew[ctN] + off > pNew) continue;
1137: if (tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctTmp] + 1]] <= tr->ctStart[ctTmp]) continue;
1138: /* TODO Actually keep track of the number produced here instead */
1139: if (off > offset) {
1140: ctO = ctTmp;
1141: offset = off;
1142: }
1143: }
1144: rt = -1;
1145: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1146: }
1147: ctS = tr->ctStart[ctO];
1148: ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1149: if (trType) {
1150: for (rtS = ctS; rtS < ctE; ++rtS) {
1151: PetscInt val;
1152: PetscCall(DMLabelGetValue(trType, rtS, &val));
1153: if (val == rt) break;
1154: }
1155: 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);
1156: } else rtS = ctS;
1157: PetscCall(DMPlexTransformCellTransform(tr, (DMPolytopeType)ctO, rtS, &rtTmp, &Nct, &rct, &rsize, &cone, &ornt));
1158: 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);
1159: for (n = 0; n < Nct; ++n) {
1160: if (rct[n] == ctN) {
1161: PetscInt tmp = pNew - tr->ctStartNew[ctN] - offset, val, c;
1163: if (trType) {
1164: for (c = ctS; c < ctE; ++c) {
1165: PetscCall(DMLabelGetValue(trType, c, &val));
1166: if (val == rt) {
1167: if (tmp < rsize[n]) break;
1168: tmp -= rsize[n];
1169: }
1170: }
1171: PetscCheck(c < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Parent point for target point %" PetscInt_FMT " could be not found", pNew);
1172: rp = c - ctS;
1173: rO = tmp;
1174: } else {
1175: // This assumes that all points of type ctO transform the same way
1176: rp = tmp / rsize[n];
1177: rO = tmp % rsize[n];
1178: }
1179: break;
1180: }
1181: }
1182: PetscCheck(n != Nct, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number for target point %" PetscInt_FMT " could be not found", pNew);
1183: pO = rp + ctS;
1184: 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);
1185: if (ct) *ct = (DMPolytopeType)ctO;
1186: if (ctNew) *ctNew = ctN;
1187: if (p) *p = pO;
1188: if (r) *r = rO;
1189: PetscFunctionReturn(PETSC_SUCCESS);
1190: }
1192: /*@
1193: DMPlexTransformCellTransform - Describes the transform of a given source cell into a set of other target cells. These produced cells become the new mesh.
1195: Input Parameters:
1196: + tr - The `DMPlexTransform` object
1197: . source - The source cell type
1198: - p - The source point, which can also determine the refine type
1200: Output Parameters:
1201: + rt - The refine type for this point
1202: . Nt - The number of types produced by this point
1203: . target - An array of length `Nt` giving the types produced
1204: . size - An array of length `Nt` giving the number of cells of each type produced
1205: . cone - An array of length `Nt`*size[t]*coneSize[t] giving the cell type for each point in the cone of each produced point
1206: - ornt - An array of length `Nt`*size[t]*coneSize[t] giving the orientation for each point in the cone of each produced point
1208: Level: advanced
1210: Notes:
1211: The cone array gives the cone of each subcell listed by the first three outputs. For each cone point, we
1212: need the cell type, point identifier, and orientation within the subcell. The orientation is with respect to the canonical
1213: division (described in these outputs) of the cell in the original mesh. The point identifier is given by
1214: .vb
1215: the number of cones to be taken, or 0 for the current cell
1216: the cell cone point number at each level from which it is subdivided
1217: the replica number r of the subdivision.
1218: .ve
1219: The orientation is with respect to the canonical cone orientation. For example, the prescription for edge division is
1220: .vb
1221: Nt = 2
1222: target = {DM_POLYTOPE_POINT, DM_POLYTOPE_SEGMENT}
1223: size = {1, 2}
1224: cone = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0}
1225: ornt = { 0, 0, 0, 0}
1226: .ve
1228: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1229: @*/
1230: PetscErrorCode DMPlexTransformCellTransform(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1231: {
1232: PetscFunctionBegin;
1233: PetscUseTypeMethod(tr, celltransform, source, p, rt, Nt, target, size, cone, ornt);
1234: PetscFunctionReturn(PETSC_SUCCESS);
1235: }
1237: PetscErrorCode DMPlexTransformGetSubcellOrientationIdentity(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1238: {
1239: PetscFunctionBegin;
1240: *rnew = r;
1241: *onew = DMPolytopeTypeComposeOrientation(tct, o, so);
1242: PetscFunctionReturn(PETSC_SUCCESS);
1243: }
1245: /* Returns the same thing */
1246: PetscErrorCode DMPlexTransformCellTransformIdentity(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1247: {
1248: static DMPolytopeType vertexT[] = {DM_POLYTOPE_POINT};
1249: static PetscInt vertexS[] = {1};
1250: static PetscInt vertexC[] = {0};
1251: static PetscInt vertexO[] = {0};
1252: static DMPolytopeType edgeT[] = {DM_POLYTOPE_SEGMENT};
1253: static PetscInt edgeS[] = {1};
1254: static PetscInt edgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1255: static PetscInt edgeO[] = {0, 0};
1256: static DMPolytopeType tedgeT[] = {DM_POLYTOPE_POINT_PRISM_TENSOR};
1257: static PetscInt tedgeS[] = {1};
1258: static PetscInt tedgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1259: static PetscInt tedgeO[] = {0, 0};
1260: static DMPolytopeType triT[] = {DM_POLYTOPE_TRIANGLE};
1261: static PetscInt triS[] = {1};
1262: static PetscInt triC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0};
1263: static PetscInt triO[] = {0, 0, 0};
1264: static DMPolytopeType quadT[] = {DM_POLYTOPE_QUADRILATERAL};
1265: static PetscInt quadS[] = {1};
1266: 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};
1267: static PetscInt quadO[] = {0, 0, 0, 0};
1268: static DMPolytopeType tquadT[] = {DM_POLYTOPE_SEG_PRISM_TENSOR};
1269: static PetscInt tquadS[] = {1};
1270: 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};
1271: static PetscInt tquadO[] = {0, 0, 0, 0};
1272: static DMPolytopeType tetT[] = {DM_POLYTOPE_TETRAHEDRON};
1273: static PetscInt tetS[] = {1};
1274: 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};
1275: static PetscInt tetO[] = {0, 0, 0, 0};
1276: static DMPolytopeType hexT[] = {DM_POLYTOPE_HEXAHEDRON};
1277: static PetscInt hexS[] = {1};
1278: 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};
1279: static PetscInt hexO[] = {0, 0, 0, 0, 0, 0};
1280: static DMPolytopeType tripT[] = {DM_POLYTOPE_TRI_PRISM};
1281: static PetscInt tripS[] = {1};
1282: 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};
1283: static PetscInt tripO[] = {0, 0, 0, 0, 0};
1284: static DMPolytopeType ttripT[] = {DM_POLYTOPE_TRI_PRISM_TENSOR};
1285: static PetscInt ttripS[] = {1};
1286: 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};
1287: static PetscInt ttripO[] = {0, 0, 0, 0, 0};
1288: static DMPolytopeType tquadpT[] = {DM_POLYTOPE_QUAD_PRISM_TENSOR};
1289: static PetscInt tquadpS[] = {1};
1290: static PetscInt tquadpC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0,
1291: DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 5, 0};
1292: static PetscInt tquadpO[] = {0, 0, 0, 0, 0, 0};
1293: static DMPolytopeType pyrT[] = {DM_POLYTOPE_PYRAMID};
1294: static PetscInt pyrS[] = {1};
1295: 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};
1296: static PetscInt pyrO[] = {0, 0, 0, 0, 0};
1298: PetscFunctionBegin;
1299: if (rt) *rt = 0;
1300: switch (source) {
1301: case DM_POLYTOPE_POINT:
1302: *Nt = 1;
1303: *target = vertexT;
1304: *size = vertexS;
1305: *cone = vertexC;
1306: *ornt = vertexO;
1307: break;
1308: case DM_POLYTOPE_SEGMENT:
1309: *Nt = 1;
1310: *target = edgeT;
1311: *size = edgeS;
1312: *cone = edgeC;
1313: *ornt = edgeO;
1314: break;
1315: case DM_POLYTOPE_POINT_PRISM_TENSOR:
1316: *Nt = 1;
1317: *target = tedgeT;
1318: *size = tedgeS;
1319: *cone = tedgeC;
1320: *ornt = tedgeO;
1321: break;
1322: case DM_POLYTOPE_TRIANGLE:
1323: *Nt = 1;
1324: *target = triT;
1325: *size = triS;
1326: *cone = triC;
1327: *ornt = triO;
1328: break;
1329: case DM_POLYTOPE_QUADRILATERAL:
1330: *Nt = 1;
1331: *target = quadT;
1332: *size = quadS;
1333: *cone = quadC;
1334: *ornt = quadO;
1335: break;
1336: case DM_POLYTOPE_SEG_PRISM_TENSOR:
1337: *Nt = 1;
1338: *target = tquadT;
1339: *size = tquadS;
1340: *cone = tquadC;
1341: *ornt = tquadO;
1342: break;
1343: case DM_POLYTOPE_TETRAHEDRON:
1344: *Nt = 1;
1345: *target = tetT;
1346: *size = tetS;
1347: *cone = tetC;
1348: *ornt = tetO;
1349: break;
1350: case DM_POLYTOPE_HEXAHEDRON:
1351: *Nt = 1;
1352: *target = hexT;
1353: *size = hexS;
1354: *cone = hexC;
1355: *ornt = hexO;
1356: break;
1357: case DM_POLYTOPE_TRI_PRISM:
1358: *Nt = 1;
1359: *target = tripT;
1360: *size = tripS;
1361: *cone = tripC;
1362: *ornt = tripO;
1363: break;
1364: case DM_POLYTOPE_TRI_PRISM_TENSOR:
1365: *Nt = 1;
1366: *target = ttripT;
1367: *size = ttripS;
1368: *cone = ttripC;
1369: *ornt = ttripO;
1370: break;
1371: case DM_POLYTOPE_QUAD_PRISM_TENSOR:
1372: *Nt = 1;
1373: *target = tquadpT;
1374: *size = tquadpS;
1375: *cone = tquadpC;
1376: *ornt = tquadpO;
1377: break;
1378: case DM_POLYTOPE_PYRAMID:
1379: *Nt = 1;
1380: *target = pyrT;
1381: *size = pyrS;
1382: *cone = pyrC;
1383: *ornt = pyrO;
1384: break;
1385: default:
1386: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
1387: }
1388: PetscFunctionReturn(PETSC_SUCCESS);
1389: }
1391: /*@
1392: DMPlexTransformGetSubcellOrientation - Transform the replica number and orientation for a target point according to the group action for the source point
1394: Not Collective
1396: Input Parameters:
1397: + tr - The `DMPlexTransform`
1398: . sct - The source point cell type, from whom the new cell is being produced
1399: . sp - The source point
1400: . so - The orientation of the source point in its enclosing parent
1401: . tct - The target point cell type
1402: . r - The replica number requested for the produced cell type
1403: - o - The orientation of the replica
1405: Output Parameters:
1406: + rnew - The replica number, given the orientation of the parent
1407: - onew - The replica orientation, given the orientation of the parent
1409: Level: advanced
1411: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformApply()`
1412: @*/
1413: PetscErrorCode DMPlexTransformGetSubcellOrientation(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1414: {
1415: PetscFunctionBeginHot;
1416: PetscUseTypeMethod(tr, getsubcellorientation, sct, sp, so, tct, r, o, rnew, onew);
1417: PetscFunctionReturn(PETSC_SUCCESS);
1418: }
1420: static PetscErrorCode DMPlexTransformSetConeSizes(DMPlexTransform tr, DM rdm)
1421: {
1422: DM dm;
1423: PetscInt pStart, pEnd, pNew;
1425: PetscFunctionBegin;
1426: PetscCall(DMPlexTransformGetDM(tr, &dm));
1427: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1428: /* Must create the celltype label here so that we do not automatically try to compute the types */
1429: PetscCall(DMCreateLabel(rdm, "celltype"));
1430: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1431: for (PetscInt p = pStart; p < pEnd; ++p) {
1432: DMPolytopeType ct;
1433: DMPolytopeType *rct;
1434: PetscInt *rsize, *rcone, *rornt;
1435: PetscInt Nct, n, r;
1437: PetscCall(DMPlexGetCellType(dm, p, &ct));
1438: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1439: for (n = 0; n < Nct; ++n) {
1440: for (r = 0; r < rsize[n]; ++r) {
1441: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1442: PetscCall(DMPlexSetConeSize(rdm, pNew, DMPolytopeTypeGetConeSize(rct[n])));
1443: PetscCall(DMPlexSetCellType(rdm, pNew, rct[n]));
1444: }
1445: }
1446: }
1447: /* Let the DM know we have set all the cell types */
1448: {
1449: DMLabel ctLabel;
1450: DM_Plex *plex = (DM_Plex *)rdm->data;
1452: PetscCall(DMPlexGetCellTypeLabel(rdm, &ctLabel));
1453: PetscCall(PetscObjectStateGet((PetscObject)ctLabel, &plex->celltypeState));
1454: }
1455: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1456: PetscFunctionReturn(PETSC_SUCCESS);
1457: }
1459: PetscErrorCode DMPlexTransformGetConeSize(DMPlexTransform tr, PetscInt q, PetscInt *coneSize)
1460: {
1461: DMPolytopeType ctNew;
1463: PetscFunctionBegin;
1465: PetscAssertPointer(coneSize, 3);
1466: PetscCall(DMPlexTransformGetCellType(tr, q, &ctNew));
1467: *coneSize = DMPolytopeTypeGetConeSize(ctNew);
1468: PetscFunctionReturn(PETSC_SUCCESS);
1469: }
1471: /* The orientation o is for the interior of the cell p */
1472: 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[])
1473: {
1474: DM dm;
1475: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1476: const PetscInt *cone;
1477: DMPolytopeType *newft = NULL;
1478: PetscInt c, coff = *coneoff, ooff = *orntoff;
1479: PetscInt dim, cr = 0, co = 0, nr, no;
1481: PetscFunctionBegin;
1482: PetscCall(DMPlexTransformGetDM(tr, &dm));
1483: PetscCall(DMPlexGetOrientedCone(dm, p, &cone, NULL));
1484: // Check if we have to permute this cell
1485: PetscCall(DMGetDimension(dm, &dim));
1486: if (DMPolytopeTypeGetDim(ctNew) == dim && DMPolytopeTypeGetDim(ct) == dim - 1) {
1487: PetscCall(DMPlexTransformGetSubcellOrientation(tr, ct, p, o, ctNew, cr, co, &nr, &no));
1488: if (cr != nr || co != no) PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newft));
1489: }
1490: for (c = 0; c < csizeNew; ++c) {
1491: PetscInt ppp = -1; /* Parent Parent point: Parent of point pp */
1492: PetscInt pp = p; /* Parent point: Point in the original mesh producing new cone point */
1493: PetscInt po = 0; /* Orientation of parent point pp in parent parent point ppp */
1494: DMPolytopeType pct = ct; /* Parent type: Cell type for parent of new cone point */
1495: const PetscInt *pcone = cone; /* Parent cone: Cone of parent point pp */
1496: PetscInt pr = -1; /* Replica number of pp that produces new cone point */
1497: const DMPolytopeType ft = (DMPolytopeType)rcone[coff++]; /* Cell type for new cone point of pNew */
1498: const PetscInt fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1499: PetscInt fo = rornt[ooff++]; /* Orientation of new cone point in pNew */
1500: PetscInt lc;
1502: /* Get the type (pct) and point number (pp) of the parent point in the original mesh which produces this cone point */
1503: for (lc = 0; lc < fn; ++lc) {
1504: const PetscInt *parr = DMPolytopeTypeGetArrangement(pct, po);
1505: const PetscInt acp = rcone[coff++];
1506: const PetscInt pcp = parr[acp * 2];
1507: const PetscInt pco = parr[acp * 2 + 1];
1508: const PetscInt *ppornt;
1510: ppp = pp;
1511: pp = pcone[pcp];
1512: PetscCall(DMPlexGetCellType(dm, pp, &pct));
1513: // Restore the parent cone from the last iterate
1514: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, ppp, &pcone, NULL));
1515: PetscCall(DMPlexGetOrientedCone(dm, pp, &pcone, NULL));
1516: PetscCall(DMPlexGetOrientedCone(dm, ppp, NULL, &ppornt));
1517: po = DMPolytopeTypeComposeOrientation(pct, ppornt[pcp], pco);
1518: PetscCall(DMPlexRestoreOrientedCone(dm, ppp, NULL, &ppornt));
1519: }
1520: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, pp, &pcone, NULL));
1521: pr = rcone[coff++];
1522: /* Orientation po of pp maps (pr, fo) -> (pr', fo') */
1523: PetscCall(DMPlexTransformGetSubcellOrientation(tr, pct, pp, fn ? po : o, ft, pr, fo, &pr, &fo));
1524: PetscCall(DMPlexTransformGetTargetPoint(tr, pct, ft, pp, pr, &coneNew[c]));
1525: orntNew[c] = fo;
1526: if (newft) newft[c] = ft;
1527: }
1528: PetscCall(DMPlexRestoreOrientedCone(dm, p, &cone, NULL));
1529: if (newft) {
1530: const PetscInt *arr;
1531: PetscInt *newcone, *newornt;
1533: arr = DMPolytopeTypeGetArrangement(ctNew, no);
1534: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1535: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1536: for (PetscInt c = 0; c < csizeNew; ++c) {
1537: DMPolytopeType ft = newft[c];
1538: PetscInt nO;
1540: nO = DMPolytopeTypeGetNumArrangements(ft) / 2;
1541: newcone[c] = coneNew[arr[c * 2 + 0]];
1542: newornt[c] = DMPolytopeTypeComposeOrientation(ft, arr[c * 2 + 1], orntNew[arr[c * 2 + 0]]);
1543: 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]);
1544: }
1545: for (PetscInt c = 0; c < csizeNew; ++c) {
1546: coneNew[c] = newcone[c];
1547: orntNew[c] = newornt[c];
1548: }
1549: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1550: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1551: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newft));
1552: }
1553: *coneoff = coff;
1554: *orntoff = ooff;
1555: PetscFunctionReturn(PETSC_SUCCESS);
1556: }
1558: static PetscErrorCode DMPlexTransformSetCones(DMPlexTransform tr, DM rdm)
1559: {
1560: DM dm;
1561: DMPolytopeType ct;
1562: PetscInt *coneNew, *orntNew;
1563: PetscInt maxConeSize = 0, pStart, pEnd, p, pNew;
1565: PetscFunctionBegin;
1566: PetscCall(DMPlexTransformGetDM(tr, &dm));
1567: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1568: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1569: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1570: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1571: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1572: for (p = pStart; p < pEnd; ++p) {
1573: PetscInt coff, ooff;
1574: DMPolytopeType *rct;
1575: PetscInt *rsize, *rcone, *rornt;
1576: PetscInt Nct, n, r;
1578: PetscCall(DMPlexGetCellType(dm, p, &ct));
1579: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1580: for (n = 0, coff = 0, ooff = 0; n < Nct; ++n) {
1581: const DMPolytopeType ctNew = rct[n];
1583: for (r = 0; r < rsize[n]; ++r) {
1584: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1585: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, ctNew, rcone, &coff, rornt, &ooff, coneNew, orntNew));
1586: PetscCall(DMPlexSetCone(rdm, pNew, coneNew));
1587: PetscCall(DMPlexSetConeOrientation(rdm, pNew, orntNew));
1588: }
1589: }
1590: }
1591: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1592: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1593: PetscCall(DMViewFromOptions(rdm, NULL, "-rdm_view"));
1594: PetscCall(DMPlexSymmetrize(rdm));
1595: PetscCall(DMPlexStratify(rdm));
1596: PetscCall(DMPlexTransformOrderSupports(tr, dm, rdm));
1597: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1598: PetscFunctionReturn(PETSC_SUCCESS);
1599: }
1601: PetscErrorCode DMPlexTransformGetConeOriented(DMPlexTransform tr, PetscInt q, PetscInt po, const PetscInt *cone[], const PetscInt *ornt[])
1602: {
1603: DM dm;
1604: DMPolytopeType ct, qct;
1605: DMPolytopeType *rct;
1606: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1607: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1609: PetscFunctionBegin;
1611: PetscAssertPointer(cone, 4);
1612: PetscAssertPointer(ornt, 5);
1613: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1614: PetscCall(DMPlexTransformGetDM(tr, &dm));
1615: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1616: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1617: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1618: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1619: for (n = 0; n < Nct; ++n) {
1620: const DMPolytopeType ctNew = rct[n];
1621: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1622: PetscInt Nr = rsize[n], fn, c;
1624: if (ctNew == qct) Nr = r;
1625: for (nr = 0; nr < Nr; ++nr) {
1626: for (c = 0; c < csizeNew; ++c) {
1627: ++coff; /* Cell type of new cone point */
1628: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1629: coff += fn;
1630: ++coff; /* Replica number of new cone point */
1631: ++ooff; /* Orientation of new cone point */
1632: }
1633: }
1634: if (ctNew == qct) break;
1635: }
1636: PetscCall(DMPlexTransformGetCone_Internal(tr, p, po, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1637: *cone = qcone;
1638: *ornt = qornt;
1639: PetscFunctionReturn(PETSC_SUCCESS);
1640: }
1642: PetscErrorCode DMPlexTransformGetCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1643: {
1644: DM dm;
1645: DMPolytopeType ct, qct;
1646: DMPolytopeType *rct;
1647: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1648: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1650: PetscFunctionBegin;
1652: if (cone) PetscAssertPointer(cone, 3);
1653: if (ornt) PetscAssertPointer(ornt, 4);
1654: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1655: PetscCall(DMPlexTransformGetDM(tr, &dm));
1656: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1657: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1658: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1659: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1660: for (n = 0; n < Nct; ++n) {
1661: const DMPolytopeType ctNew = rct[n];
1662: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1663: PetscInt Nr = rsize[n], fn, c;
1665: if (ctNew == qct) Nr = r;
1666: for (nr = 0; nr < Nr; ++nr) {
1667: for (c = 0; c < csizeNew; ++c) {
1668: ++coff; /* Cell type of new cone point */
1669: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1670: coff += fn;
1671: ++coff; /* Replica number of new cone point */
1672: ++ooff; /* Orientation of new cone point */
1673: }
1674: }
1675: if (ctNew == qct) break;
1676: }
1677: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1678: if (cone) *cone = qcone;
1679: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1680: if (ornt) *ornt = qornt;
1681: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1682: PetscFunctionReturn(PETSC_SUCCESS);
1683: }
1685: PetscErrorCode DMPlexTransformRestoreCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1686: {
1687: DM dm;
1689: PetscFunctionBegin;
1691: PetscCall(DMPlexTransformGetDM(tr, &dm));
1692: if (cone) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, cone));
1693: if (ornt) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, ornt));
1694: PetscFunctionReturn(PETSC_SUCCESS);
1695: }
1697: static PetscErrorCode DMPlexTransformCreateCellVertices_Internal(DMPlexTransform tr)
1698: {
1699: PetscFunctionBegin;
1700: PetscCall(PetscCalloc3(DM_NUM_POLYTOPES, &tr->trNv, DM_NUM_POLYTOPES, &tr->trVerts, DM_NUM_POLYTOPES, &tr->trSubVerts));
1701: for (PetscInt ict = DM_POLYTOPE_POINT; ict < DM_NUM_POLYTOPES; ++ict) {
1702: const DMPolytopeType ct = (DMPolytopeType)ict;
1703: DMPlexTransform reftr;
1704: DM refdm, trdm;
1705: Vec coordinates;
1706: const PetscScalar *coords;
1707: DMPolytopeType *rct;
1708: PetscInt *rsize, *rcone, *rornt;
1709: PetscInt Nct, n, r, pNew = 0;
1710: PetscInt trdim, vStart, vEnd, Nc;
1711: const PetscInt debug = 0;
1712: const char *typeName;
1714: /* Since points are 0-dimensional, coordinates make no sense */
1715: if (DMPolytopeTypeGetDim(ct) <= 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE) continue;
1716: PetscCall(DMPlexCreateReferenceCell(PETSC_COMM_SELF, ct, &refdm));
1717: PetscCall(DMPlexTransformCreate(PETSC_COMM_SELF, &reftr));
1718: PetscCall(DMPlexTransformSetDM(reftr, refdm));
1719: PetscCall(DMPlexTransformGetType(tr, &typeName));
1720: PetscCall(DMPlexTransformSetType(reftr, typeName));
1721: PetscCall(DMPlexTransformSetUp(reftr));
1722: PetscCall(DMPlexTransformApply(reftr, refdm, &trdm));
1724: PetscCall(DMGetDimension(trdm, &trdim));
1725: PetscCall(DMPlexGetDepthStratum(trdm, 0, &vStart, &vEnd));
1726: tr->trNv[ct] = vEnd - vStart;
1727: PetscCall(DMGetCoordinatesLocal(trdm, &coordinates));
1728: PetscCall(VecGetLocalSize(coordinates, &Nc));
1729: 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);
1730: PetscCall(PetscCalloc1(Nc, &tr->trVerts[ct]));
1731: PetscCall(VecGetArrayRead(coordinates, &coords));
1732: PetscCall(PetscArraycpy(tr->trVerts[ct], coords, Nc));
1733: PetscCall(VecRestoreArrayRead(coordinates, &coords));
1735: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES, &tr->trSubVerts[ct]));
1736: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1737: for (n = 0; n < Nct; ++n) {
1738: /* Since points are 0-dimensional, coordinates make no sense */
1739: if (rct[n] == DM_POLYTOPE_POINT) continue;
1740: PetscCall(PetscCalloc1(rsize[n], &tr->trSubVerts[ct][rct[n]]));
1741: for (r = 0; r < rsize[n]; ++r) {
1742: PetscInt *closure = NULL;
1743: PetscInt clSize, cl, Nv = 0;
1745: PetscCall(PetscCalloc1(DMPolytopeTypeGetNumVertices(rct[n]), &tr->trSubVerts[ct][rct[n]][r]));
1746: PetscCall(DMPlexTransformGetTargetPoint(reftr, ct, rct[n], 0, r, &pNew));
1747: PetscCall(DMPlexGetTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1748: for (cl = 0; cl < clSize * 2; cl += 2) {
1749: const PetscInt sv = closure[cl];
1751: if ((sv >= vStart) && (sv < vEnd)) tr->trSubVerts[ct][rct[n]][r][Nv++] = sv - vStart;
1752: }
1753: PetscCall(DMPlexRestoreTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1754: 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]);
1755: }
1756: }
1757: if (debug) {
1758: DMPolytopeType *rct;
1759: PetscInt *rsize, *rcone, *rornt;
1760: PetscInt v, dE = trdim, d, off = 0;
1762: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %" PetscInt_FMT " vertices\n", DMPolytopeTypes[ct], tr->trNv[ct]));
1763: for (v = 0; v < tr->trNv[ct]; ++v) {
1764: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1765: for (d = 0; d < dE; ++d) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%g ", (double)PetscRealPart(tr->trVerts[ct][off++])));
1766: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1767: }
1769: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1770: for (n = 0; n < Nct; ++n) {
1771: if (rct[n] == DM_POLYTOPE_POINT) continue;
1772: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %s subvertices %" PetscInt_FMT "\n", DMPolytopeTypes[ct], DMPolytopeTypes[rct[n]], tr->trNv[ct]));
1773: for (r = 0; r < rsize[n]; ++r) {
1774: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1775: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct[n]); ++v) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%" PetscInt_FMT " ", tr->trSubVerts[ct][rct[n]][r][v]));
1776: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1777: }
1778: }
1779: }
1780: PetscCall(DMDestroy(&refdm));
1781: PetscCall(DMDestroy(&trdm));
1782: PetscCall(DMPlexTransformDestroy(&reftr));
1783: }
1784: PetscFunctionReturn(PETSC_SUCCESS);
1785: }
1787: /*@C
1788: DMPlexTransformGetCellVertices - Get the set of transformed vertices lying in the closure of a reference cell of given type
1790: Input Parameters:
1791: + tr - The `DMPlexTransform` object
1792: - ct - The cell type
1794: Output Parameters:
1795: + Nv - The number of transformed vertices in the closure of the reference cell of given type
1796: - trVerts - The coordinates of these vertices in the reference cell
1798: Level: developer
1800: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSubcellVertices()`
1801: @*/
1802: PetscErrorCode DMPlexTransformGetCellVertices(DMPlexTransform tr, DMPolytopeType ct, PetscInt *Nv, PetscScalar *trVerts[])
1803: {
1804: PetscFunctionBegin;
1805: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1806: if (Nv) *Nv = tr->trNv[ct];
1807: if (trVerts) *trVerts = tr->trVerts[ct];
1808: PetscFunctionReturn(PETSC_SUCCESS);
1809: }
1811: /*@C
1812: DMPlexTransformGetSubcellVertices - Get the set of transformed vertices defining a subcell in the reference cell of given type
1814: Input Parameters:
1815: + tr - The `DMPlexTransform` object
1816: . ct - The cell type
1817: . rct - The subcell type
1818: - r - The subcell index
1820: Output Parameter:
1821: . subVerts - The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`
1823: Level: developer
1825: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`
1826: @*/
1827: PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
1828: {
1829: PetscFunctionBegin;
1830: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1831: PetscCheck(tr->trSubVerts[ct][rct], PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONG, "Cell type %s does not produce %s", DMPolytopeTypes[ct], DMPolytopeTypes[rct]);
1832: if (subVerts) *subVerts = tr->trSubVerts[ct][rct][r];
1833: PetscFunctionReturn(PETSC_SUCCESS);
1834: }
1836: /*@
1837: DMPlexTransformOrderSupports - Reorder newly introduced point supports
1839: Collective
1841: Input Parameters:
1842: + tr - The `DMPlexTransform`
1843: . dm - The original `DM`
1844: - trdm - The transformed `DM` which is reordered
1846: Level: intermediate
1848: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
1849: @*/
1850: PetscErrorCode DMPlexTransformOrderSupports(DMPlexTransform tr, DM dm, DM trdm)
1851: {
1852: PetscFunctionBegin;
1856: PetscTryTypeMethod(tr, ordersupports, dm, trdm);
1857: PetscFunctionReturn(PETSC_SUCCESS);
1858: }
1860: /* Computes new vertex as the barycenter, or centroid */
1861: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1862: {
1863: PetscInt v, d;
1865: PetscFunctionBeginHot;
1866: PetscCheck(ct == DM_POLYTOPE_POINT, PETSC_COMM_SELF, PETSC_ERR_SUP, "Not for refined point type %s", DMPolytopeTypes[ct]);
1867: for (d = 0; d < dE; ++d) out[d] = 0.0;
1868: for (v = 0; v < Nv; ++v)
1869: for (d = 0; d < dE; ++d) out[d] += in[v * dE + d];
1870: for (d = 0; d < dE; ++d) out[d] /= Nv;
1871: PetscFunctionReturn(PETSC_SUCCESS);
1872: }
1874: /*@
1875: DMPlexTransformMapCoordinates - Calculate new coordinates for produced points
1877: Not collective
1879: Input Parameters:
1880: + tr - The `DMPlexTransform`
1881: . pct - The cell type of the parent, from whom the new cell is being produced
1882: . ct - The type being produced
1883: . p - The original point
1884: . r - The replica number requested for the produced cell type
1885: . Nv - Number of vertices in the closure of the parent cell
1886: . dE - Spatial dimension
1887: - in - array of size Nv*dE, holding coordinates of the vertices in the closure of the parent cell
1889: Output Parameter:
1890: . out - The coordinates of the new vertices
1892: Level: intermediate
1894: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
1895: @*/
1896: PetscErrorCode DMPlexTransformMapCoordinates(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1897: {
1898: PetscFunctionBeginHot;
1899: if (Nv) PetscUseTypeMethod(tr, mapcoordinates, pct, ct, p, r, Nv, dE, in, out);
1900: PetscFunctionReturn(PETSC_SUCCESS);
1901: }
1903: /*
1904: DMPlexTransformLabelProducedPoint_Private - Label a produced point based on its parent label
1906: Not Collective
1908: Input Parameters:
1909: + tr - The `DMPlexTransform`
1910: . label - The label in the transformed mesh
1911: . pp - The parent point in the original mesh
1912: . pct - The cell type of the parent point
1913: . p - The point in the transformed mesh
1914: . ct - The cell type of the point
1915: . r - The replica number of the point
1916: - val - The label value of the parent point
1918: Level: developer
1920: .seealso: `DMPlexTransformCreateLabels()`, `RefineLabel_Internal()`
1921: */
1922: static PetscErrorCode DMPlexTransformLabelProducedPoint_Private(DMPlexTransform tr, DMLabel label, PetscInt pp, DMPolytopeType pct, PetscInt p, DMPolytopeType ct, PetscInt r, PetscInt val)
1923: {
1924: PetscFunctionBeginHot;
1925: if (tr->labelMatchStrata && pct != ct) PetscFunctionReturn(PETSC_SUCCESS);
1926: PetscCall(DMLabelSetValue(label, p, val + tr->labelReplicaInc * r));
1927: PetscFunctionReturn(PETSC_SUCCESS);
1928: }
1930: static PetscErrorCode RefineLabel_Internal(DMPlexTransform tr, DMLabel label, DMLabel labelNew)
1931: {
1932: DM dm;
1933: IS valueIS;
1934: const PetscInt *values;
1935: PetscInt defVal, Nv, val;
1937: PetscFunctionBegin;
1938: PetscCall(DMPlexTransformGetDM(tr, &dm));
1939: PetscCall(DMLabelGetDefaultValue(label, &defVal));
1940: PetscCall(DMLabelSetDefaultValue(labelNew, defVal));
1941: PetscCall(DMLabelGetValueIS(label, &valueIS));
1942: PetscCall(ISGetLocalSize(valueIS, &Nv));
1943: PetscCall(ISGetIndices(valueIS, &values));
1944: for (val = 0; val < Nv; ++val) {
1945: IS pointIS;
1946: const PetscInt *points;
1947: PetscInt numPoints, p;
1949: /* Ensure refined label is created with same number of strata as
1950: * original (even if no entries here). */
1951: PetscCall(DMLabelAddStratum(labelNew, values[val]));
1952: PetscCall(DMLabelGetStratumIS(label, values[val], &pointIS));
1953: PetscCall(ISGetLocalSize(pointIS, &numPoints));
1954: PetscCall(ISGetIndices(pointIS, &points));
1955: for (p = 0; p < numPoints; ++p) {
1956: const PetscInt point = points[p];
1957: DMPolytopeType ct;
1958: DMPolytopeType *rct;
1959: PetscInt *rsize, *rcone, *rornt;
1960: PetscInt Nct, n, r, pNew = 0;
1962: PetscCall(DMPlexGetCellType(dm, point, &ct));
1963: PetscCall(DMPlexTransformCellTransform(tr, ct, point, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1964: for (n = 0; n < Nct; ++n) {
1965: for (r = 0; r < rsize[n]; ++r) {
1966: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], point, r, &pNew));
1967: PetscCall(DMPlexTransformLabelProducedPoint_Private(tr, labelNew, point, ct, pNew, rct[n], r, values[val]));
1968: }
1969: }
1970: }
1971: PetscCall(ISRestoreIndices(pointIS, &points));
1972: PetscCall(ISDestroy(&pointIS));
1973: }
1974: PetscCall(ISRestoreIndices(valueIS, &values));
1975: PetscCall(ISDestroy(&valueIS));
1976: PetscFunctionReturn(PETSC_SUCCESS);
1977: }
1979: static PetscErrorCode DMPlexTransformCreateLabels(DMPlexTransform tr, DM rdm)
1980: {
1981: DM dm;
1982: PetscInt numLabels, l;
1984: PetscFunctionBegin;
1985: PetscCall(DMPlexTransformGetDM(tr, &dm));
1986: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1987: PetscCall(DMGetNumLabels(dm, &numLabels));
1988: for (l = 0; l < numLabels; ++l) {
1989: DMLabel label, labelNew;
1990: const char *lname;
1991: PetscBool isDepth, isCellType;
1993: PetscCall(DMGetLabelName(dm, l, &lname));
1994: PetscCall(PetscStrcmp(lname, "depth", &isDepth));
1995: if (isDepth) continue;
1996: PetscCall(PetscStrcmp(lname, "celltype", &isCellType));
1997: if (isCellType) continue;
1998: PetscCall(DMCreateLabel(rdm, lname));
1999: PetscCall(DMGetLabel(dm, lname, &label));
2000: PetscCall(DMGetLabel(rdm, lname, &labelNew));
2001: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2002: }
2003: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
2004: PetscFunctionReturn(PETSC_SUCCESS);
2005: }
2007: /* This refines the labels which define regions for fields and DSes since they are not in the list of labels for the DM */
2008: PetscErrorCode DMPlexTransformCreateDiscLabels(DMPlexTransform tr, DM rdm)
2009: {
2010: DM dm;
2011: PetscInt Nf, f, Nds, s;
2013: PetscFunctionBegin;
2014: PetscCall(DMPlexTransformGetDM(tr, &dm));
2015: PetscCall(DMGetNumFields(dm, &Nf));
2016: for (f = 0; f < Nf; ++f) {
2017: DMLabel label, labelNew;
2018: PetscObject obj;
2019: const char *lname;
2021: PetscCall(DMGetField(rdm, f, &label, &obj));
2022: if (!label) continue;
2023: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
2024: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
2025: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2026: PetscCall(DMSetField_Internal(rdm, f, labelNew, obj));
2027: PetscCall(DMLabelDestroy(&labelNew));
2028: }
2029: PetscCall(DMGetNumDS(dm, &Nds));
2030: for (s = 0; s < Nds; ++s) {
2031: DMLabel label, labelNew;
2032: const char *lname;
2034: PetscCall(DMGetRegionNumDS(rdm, s, &label, NULL, NULL, NULL));
2035: if (!label) continue;
2036: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
2037: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
2038: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2039: PetscCall(DMSetRegionNumDS(rdm, s, labelNew, NULL, NULL, NULL));
2040: PetscCall(DMLabelDestroy(&labelNew));
2041: }
2042: PetscFunctionReturn(PETSC_SUCCESS);
2043: }
2045: static PetscErrorCode DMPlexTransformCreateSF(DMPlexTransform tr, DM rdm)
2046: {
2047: DM dm;
2048: PetscSF sf, sfNew;
2049: PetscInt numRoots, numLeaves, numLeavesNew = 0, l, m;
2050: const PetscInt *localPoints;
2051: const PetscSFNode *remotePoints;
2052: PetscInt *localPointsNew;
2053: PetscSFNode *remotePointsNew;
2054: PetscInt pStartNew, pEndNew, pNew;
2055: /* Brute force algorithm */
2056: PetscSF rsf;
2057: PetscSection s;
2058: const PetscInt *rootdegree;
2059: PetscInt *rootPointsNew, *remoteOffsets;
2060: PetscInt numPointsNew, pStart, pEnd, p;
2062: PetscFunctionBegin;
2063: PetscCall(DMPlexTransformGetDM(tr, &dm));
2064: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2065: PetscCall(DMPlexGetChart(rdm, &pStartNew, &pEndNew));
2066: PetscCall(DMGetPointSF(dm, &sf));
2067: PetscCall(DMGetPointSF(rdm, &sfNew));
2068: /* Calculate size of new SF */
2069: PetscCall(PetscSFGetGraph(sf, &numRoots, &numLeaves, &localPoints, &remotePoints));
2070: if (numRoots < 0) {
2071: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2072: PetscFunctionReturn(PETSC_SUCCESS);
2073: }
2074: for (l = 0; l < numLeaves; ++l) {
2075: const PetscInt p = localPoints ? localPoints[l] : l;
2076: DMPolytopeType ct;
2077: DMPolytopeType *rct;
2078: PetscInt *rsize, *rcone, *rornt;
2079: PetscInt Nct, n;
2081: PetscCall(DMPlexGetCellType(dm, p, &ct));
2082: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2083: for (n = 0; n < Nct; ++n) numLeavesNew += rsize[n];
2084: }
2085: /* Send new root point numbers
2086: It is possible to optimize for regular transforms by sending only the cell type offsets, but it seems a needless complication
2087: */
2088: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2089: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)dm), &s));
2090: PetscCall(PetscSectionSetChart(s, pStart, pEnd));
2091: for (p = pStart; p < pEnd; ++p) {
2092: DMPolytopeType ct;
2093: DMPolytopeType *rct;
2094: PetscInt *rsize, *rcone, *rornt;
2095: PetscInt Nct, n;
2097: PetscCall(DMPlexGetCellType(dm, p, &ct));
2098: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2099: for (n = 0; n < Nct; ++n) PetscCall(PetscSectionAddDof(s, p, rsize[n]));
2100: }
2101: PetscCall(PetscSectionSetUp(s));
2102: PetscCall(PetscSectionGetStorageSize(s, &numPointsNew));
2103: PetscCall(PetscSFCreateRemoteOffsets(sf, s, s, &remoteOffsets));
2104: PetscCall(PetscSFCreateSectionSF(sf, s, remoteOffsets, s, &rsf));
2105: PetscCall(PetscFree(remoteOffsets));
2106: PetscCall(PetscSFComputeDegreeBegin(sf, &rootdegree));
2107: PetscCall(PetscSFComputeDegreeEnd(sf, &rootdegree));
2108: PetscCall(PetscMalloc1(numPointsNew, &rootPointsNew));
2109: for (p = 0; p < numPointsNew; ++p) rootPointsNew[p] = -1;
2110: for (p = pStart; p < pEnd; ++p) {
2111: DMPolytopeType ct;
2112: DMPolytopeType *rct;
2113: PetscInt *rsize, *rcone, *rornt;
2114: PetscInt Nct, n, r, off;
2116: if (!rootdegree[p - pStart]) continue;
2117: PetscCall(PetscSectionGetOffset(s, p, &off));
2118: PetscCall(DMPlexGetCellType(dm, p, &ct));
2119: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2120: for (n = 0, m = 0; n < Nct; ++n) {
2121: for (r = 0; r < rsize[n]; ++r, ++m) {
2122: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2123: rootPointsNew[off + m] = pNew;
2124: }
2125: }
2126: }
2127: PetscCall(PetscSFBcastBegin(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2128: PetscCall(PetscSFBcastEnd(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2129: PetscCall(PetscSFDestroy(&rsf));
2130: PetscCall(PetscMalloc1(numLeavesNew, &localPointsNew));
2131: PetscCall(PetscMalloc1(numLeavesNew, &remotePointsNew));
2132: for (l = 0, m = 0; l < numLeaves; ++l) {
2133: const PetscInt p = localPoints ? localPoints[l] : l;
2134: DMPolytopeType ct;
2135: DMPolytopeType *rct;
2136: PetscInt *rsize, *rcone, *rornt;
2137: PetscInt Nct, n, r, q, off;
2139: PetscCall(PetscSectionGetOffset(s, p, &off));
2140: PetscCall(DMPlexGetCellType(dm, p, &ct));
2141: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2142: for (n = 0, q = 0; n < Nct; ++n) {
2143: for (r = 0; r < rsize[n]; ++r, ++m, ++q) {
2144: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2145: localPointsNew[m] = pNew;
2146: remotePointsNew[m].index = rootPointsNew[off + q];
2147: remotePointsNew[m].rank = remotePoints[l].rank;
2148: }
2149: }
2150: }
2151: PetscCall(PetscSectionDestroy(&s));
2152: PetscCall(PetscFree(rootPointsNew));
2153: /* SF needs sorted leaves to correctly calculate Gather */
2154: {
2155: PetscSFNode *rp, *rtmp;
2156: PetscInt *lp, *idx, *ltmp, i;
2158: PetscCall(PetscMalloc1(numLeavesNew, &idx));
2159: PetscCall(PetscMalloc1(numLeavesNew, &lp));
2160: PetscCall(PetscMalloc1(numLeavesNew, &rp));
2161: for (i = 0; i < numLeavesNew; ++i) {
2162: 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);
2163: idx[i] = i;
2164: }
2165: PetscCall(PetscSortIntWithPermutation(numLeavesNew, localPointsNew, idx));
2166: for (i = 0; i < numLeavesNew; ++i) {
2167: lp[i] = localPointsNew[idx[i]];
2168: rp[i] = remotePointsNew[idx[i]];
2169: }
2170: ltmp = localPointsNew;
2171: localPointsNew = lp;
2172: rtmp = remotePointsNew;
2173: remotePointsNew = rp;
2174: PetscCall(PetscFree(idx));
2175: PetscCall(PetscFree(ltmp));
2176: PetscCall(PetscFree(rtmp));
2177: }
2178: PetscCall(PetscSFSetGraph(sfNew, pEndNew - pStartNew, numLeavesNew, localPointsNew, PETSC_OWN_POINTER, remotePointsNew, PETSC_OWN_POINTER));
2179: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2180: if (PetscDefined(USE_DEBUG)) {
2181: PetscInt overlap;
2183: // Need to set overlap because some transforms put cells in the overlap
2184: PetscCall(DMPlexGetOverlap(rdm, &overlap));
2185: PetscCall(DMPlexSetOverlap(rdm, NULL, 1));
2186: PetscCall(DMPlexCheckPointSF(rdm, sfNew, PETSC_FALSE));
2187: PetscCall(DMPlexSetOverlap(rdm, NULL, overlap));
2188: }
2189: PetscFunctionReturn(PETSC_SUCCESS);
2190: }
2192: /*
2193: DMPlexCellRefinerMapLocalizedCoordinates - Given a cell of `DMPolytopeType` `ct` with localized coordinates `x`, generate localized coordinates `xr` for subcell `r` of type `rct`.
2195: Not Collective
2197: Input Parameters:
2198: + tr - The `DMPlexTransform`
2199: . ct - The type of the parent cell
2200: . rct - The type of the produced cell
2201: . r - The index of the produced cell
2202: - x - The localized coordinates for the parent cell
2204: Output Parameter:
2205: . xr - The localized coordinates for the produced cell
2207: Level: developer
2209: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexCellRefinerSetCoordinates()`
2210: */
2211: static PetscErrorCode DMPlexTransformMapLocalizedCoordinates(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, const PetscScalar x[], PetscScalar xr[])
2212: {
2213: PetscFE fe = NULL;
2214: PetscInt cdim, v, *subcellV;
2216: PetscFunctionBegin;
2217: PetscCall(DMPlexTransformGetCoordinateFE(tr, ct, &fe));
2218: PetscCall(DMPlexTransformGetSubcellVertices(tr, ct, rct, r, &subcellV));
2219: PetscCall(PetscFEGetNumComponents(fe, &cdim));
2220: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct); ++v) PetscCall(PetscFEInterpolate_Static(fe, x, tr->refGeom[ct], subcellV[v], &xr[v * cdim]));
2221: PetscFunctionReturn(PETSC_SUCCESS);
2222: }
2224: static PetscErrorCode DMPlexTransformSetCoordinates(DMPlexTransform tr, DM rdm)
2225: {
2226: DM dm, cdm, cdmCell, cdmNew, cdmCellNew;
2227: PetscSection coordSection, coordSectionNew, coordSectionCell, coordSectionCellNew;
2228: Vec coordsLocal, coordsLocalNew, coordsLocalCell = NULL, coordsLocalCellNew;
2229: const PetscScalar *coords;
2230: PetscScalar *coordsNew;
2231: const PetscReal *maxCell, *Lstart, *L;
2232: PetscBool localized, localizeVertices = PETSC_FALSE, localizeCells = PETSC_FALSE, sparseLocalize;
2233: PetscInt dE, dEo, d, cStart, cEnd, c, cStartNew, cEndNew, vStartNew, vEndNew, v, pStart, pEnd, p;
2235: PetscFunctionBegin;
2236: // Need to clear the DMField for coordinates
2237: PetscCall(DMSetCoordinateField(rdm, NULL));
2238: PetscCall(DMPlexTransformGetDM(tr, &dm));
2239: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2240: PetscCall(DMGetCoordinateDM(dm, &cdm));
2241: PetscCall(DMGetCellCoordinateDM(dm, &cdmCell));
2242: PetscCall(DMGetCoordinatesLocalized(dm, &localized));
2243: PetscCall(DMGetSparseLocalize(dm, &sparseLocalize));
2244: PetscCall(DMSetSparseLocalize(rdm, sparseLocalize));
2245: PetscCall(DMGetPeriodicity(dm, &maxCell, &Lstart, &L));
2246: if (localized) {
2247: /* Localize coordinates of new vertices */
2248: localizeVertices = PETSC_TRUE;
2249: /* If we do not have a mechanism for automatically localizing cell coordinates, we need to compute them explicitly for every divided cell */
2250: if (!maxCell) localizeCells = PETSC_TRUE;
2251: }
2252: PetscCall(DMGetCoordinateSection(dm, &coordSection));
2253: PetscCall(PetscSectionGetFieldComponents(coordSection, 0, &dEo));
2254: PetscCall(DMGetCoordinateDim(rdm, &dE));
2255: if (maxCell) {
2256: PetscReal *LstartNew, *LNew, *maxCellNew;
2258: PetscCall(PetscMalloc3(dE, &LstartNew, dE, &LNew, dE, &maxCellNew));
2259: for (d = 0; d < dEo; ++d) {
2260: LstartNew[d] = Lstart[d];
2261: LNew[d] = L[d];
2262: maxCellNew[d] = maxCell[d] / tr->redFactor;
2263: }
2264: for (d = dEo; d < dE; ++d) {
2265: LstartNew[d] = 0.;
2266: LNew[d] = -1.;
2267: maxCellNew[d] = -1.;
2268: }
2269: PetscCall(DMSetPeriodicity(rdm, maxCellNew, LstartNew, LNew));
2270: PetscCall(PetscFree3(LstartNew, LNew, maxCellNew));
2271: }
2272: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionNew));
2273: PetscCall(PetscSectionSetNumFields(coordSectionNew, 1));
2274: PetscCall(PetscSectionSetFieldComponents(coordSectionNew, 0, dE));
2275: PetscCall(DMPlexGetDepthStratum(rdm, 0, &vStartNew, &vEndNew));
2276: PetscCall(PetscSectionSetChart(coordSectionNew, vStartNew, vEndNew));
2277: /* Localization should be inherited */
2278: /* Stefano calculates parent cells for each new cell for localization */
2279: /* Localized cells need coordinates of closure */
2280: for (v = vStartNew; v < vEndNew; ++v) {
2281: PetscCall(PetscSectionSetDof(coordSectionNew, v, dE));
2282: PetscCall(PetscSectionSetFieldDof(coordSectionNew, v, 0, dE));
2283: }
2284: PetscCall(PetscSectionSetUp(coordSectionNew));
2285: PetscCall(DMSetCoordinateSection(rdm, PETSC_DETERMINE, coordSectionNew));
2287: if (localizeCells) {
2288: PetscCall(DMGetCoordinateDM(rdm, &cdmNew));
2289: PetscCall(DMClone(cdmNew, &cdmCellNew));
2290: PetscCall(DMSetCellCoordinateDM(rdm, cdmCellNew));
2291: PetscCall(DMDestroy(&cdmCellNew));
2293: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionCellNew));
2294: PetscCall(PetscSectionSetNumFields(coordSectionCellNew, 1));
2295: PetscCall(PetscSectionSetFieldComponents(coordSectionCellNew, 0, dE));
2296: PetscCall(DMPlexGetHeightStratum(rdm, 0, &cStartNew, &cEndNew));
2297: PetscCall(PetscSectionSetChart(coordSectionCellNew, cStartNew, cEndNew));
2299: PetscCall(DMGetCellCoordinateSection(dm, &coordSectionCell));
2300: PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
2301: for (c = cStart; c < cEnd; ++c) {
2302: PetscInt dof;
2304: PetscCall(PetscSectionGetDof(coordSectionCell, c, &dof));
2305: if (dof) {
2306: DMPolytopeType ct;
2307: DMPolytopeType *rct;
2308: PetscInt *rsize, *rcone, *rornt;
2309: PetscInt dim, cNew, Nct, n, r;
2311: PetscCall(DMPlexGetCellType(dm, c, &ct));
2312: dim = DMPolytopeTypeGetDim(ct);
2313: PetscCall(DMPlexTransformCellTransform(tr, ct, c, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2314: /* This allows for different cell types */
2315: for (n = 0; n < Nct; ++n) {
2316: if (dim != DMPolytopeTypeGetDim(rct[n])) continue;
2317: for (r = 0; r < rsize[n]; ++r) {
2318: PetscInt *closure = NULL;
2319: PetscInt clSize, cl, Nv = 0;
2321: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], c, r, &cNew));
2322: PetscCall(DMPlexGetTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2323: for (cl = 0; cl < clSize * 2; cl += 2) {
2324: if ((closure[cl] >= vStartNew) && (closure[cl] < vEndNew)) ++Nv;
2325: }
2326: PetscCall(DMPlexRestoreTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2327: PetscCall(PetscSectionSetDof(coordSectionCellNew, cNew, Nv * dE));
2328: PetscCall(PetscSectionSetFieldDof(coordSectionCellNew, cNew, 0, Nv * dE));
2329: }
2330: }
2331: }
2332: }
2333: PetscCall(PetscSectionSetUp(coordSectionCellNew));
2334: PetscCall(DMSetCellCoordinateSection(rdm, PETSC_DETERMINE, coordSectionCellNew));
2335: }
2336: PetscCall(DMViewFromOptions(dm, NULL, "-coarse_dm_view"));
2337: {
2338: VecType vtype;
2339: PetscInt coordSizeNew, bs;
2340: const char *name;
2342: PetscCall(DMGetCoordinatesLocal(dm, &coordsLocal));
2343: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalNew));
2344: PetscCall(PetscSectionGetStorageSize(coordSectionNew, &coordSizeNew));
2345: PetscCall(VecSetSizes(coordsLocalNew, coordSizeNew, PETSC_DETERMINE));
2346: PetscCall(PetscObjectGetName((PetscObject)coordsLocal, &name));
2347: PetscCall(PetscObjectSetName((PetscObject)coordsLocalNew, name));
2348: PetscCall(VecGetBlockSize(coordsLocal, &bs));
2349: PetscCall(VecSetBlockSize(coordsLocalNew, dEo == dE ? bs : dE));
2350: PetscCall(VecGetType(coordsLocal, &vtype));
2351: PetscCall(VecSetType(coordsLocalNew, vtype));
2352: }
2353: PetscCall(VecGetArrayRead(coordsLocal, &coords));
2354: PetscCall(VecGetArray(coordsLocalNew, &coordsNew));
2355: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2356: /* First set coordinates for vertices */
2357: for (p = pStart; p < pEnd; ++p) {
2358: DMPolytopeType ct;
2359: DMPolytopeType *rct;
2360: PetscInt *rsize, *rcone, *rornt;
2361: PetscInt Nct, n, r;
2362: PetscBool hasVertex = PETSC_FALSE;
2364: PetscCall(DMPlexGetCellType(dm, p, &ct));
2365: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2366: for (n = 0; n < Nct; ++n) {
2367: if (rct[n] == DM_POLYTOPE_POINT) {
2368: hasVertex = PETSC_TRUE;
2369: break;
2370: }
2371: }
2372: if (hasVertex) {
2373: const PetscScalar *icoords = NULL;
2374: const PetscScalar *array = NULL;
2375: PetscScalar *pcoords = NULL;
2376: PetscBool isDG;
2377: PetscInt Nc, Nv, v, d;
2379: PetscCall(DMPlexGetCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2381: icoords = pcoords;
2382: Nv = Nc / dEo;
2383: if (ct != DM_POLYTOPE_POINT) {
2384: if (localizeVertices && maxCell) {
2385: PetscScalar anchor[3];
2387: for (d = 0; d < dEo; ++d) anchor[d] = pcoords[d];
2388: for (v = 0; v < Nv; ++v) PetscCall(DMLocalizeCoordinate_Internal(dm, dEo, anchor, &pcoords[v * dEo], &pcoords[v * dEo]));
2389: }
2390: }
2391: for (n = 0; n < Nct; ++n) {
2392: if (rct[n] != DM_POLYTOPE_POINT) continue;
2393: for (r = 0; r < rsize[n]; ++r) {
2394: PetscScalar vcoords[3];
2395: PetscInt vNew, off;
2397: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &vNew));
2398: PetscCall(PetscSectionGetOffset(coordSectionNew, vNew, &off));
2399: PetscCall(DMPlexTransformMapCoordinates(tr, ct, rct[n], p, r, Nv, dEo, icoords, vcoords));
2400: PetscCall(DMSnapToGeomModel(dm, p, dE, vcoords, &coordsNew[off]));
2401: }
2402: }
2403: PetscCall(DMPlexRestoreCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2404: }
2405: }
2406: PetscCall(VecRestoreArrayRead(coordsLocal, &coords));
2407: PetscCall(VecRestoreArray(coordsLocalNew, &coordsNew));
2408: PetscCall(DMSetCoordinatesLocal(rdm, coordsLocalNew));
2409: PetscCall(VecDestroy(&coordsLocalNew));
2410: PetscCall(PetscSectionDestroy(&coordSectionNew));
2411: /* Then set coordinates for cells by localizing */
2412: if (!localizeCells) PetscCall(DMLocalizeCoordinates(rdm));
2413: else {
2414: VecType vtype;
2415: PetscInt coordSizeNew, bs;
2416: const char *name;
2418: PetscCall(DMGetCellCoordinatesLocal(dm, &coordsLocalCell));
2419: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalCellNew));
2420: PetscCall(PetscSectionGetStorageSize(coordSectionCellNew, &coordSizeNew));
2421: PetscCall(VecSetSizes(coordsLocalCellNew, coordSizeNew, PETSC_DETERMINE));
2422: PetscCall(PetscObjectGetName((PetscObject)coordsLocalCell, &name));
2423: PetscCall(PetscObjectSetName((PetscObject)coordsLocalCellNew, name));
2424: PetscCall(VecGetBlockSize(coordsLocalCell, &bs));
2425: PetscCall(VecSetBlockSize(coordsLocalCellNew, dEo == dE ? bs : dE));
2426: PetscCall(VecGetType(coordsLocalCell, &vtype));
2427: PetscCall(VecSetType(coordsLocalCellNew, vtype));
2428: PetscCall(VecGetArrayRead(coordsLocalCell, &coords));
2429: PetscCall(VecGetArray(coordsLocalCellNew, &coordsNew));
2431: for (p = pStart; p < pEnd; ++p) {
2432: DMPolytopeType ct;
2433: DMPolytopeType *rct;
2434: PetscInt *rsize, *rcone, *rornt;
2435: PetscInt dof = 0, Nct, n, r;
2437: PetscCall(DMPlexGetCellType(dm, p, &ct));
2438: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2439: if (p >= cStart && p < cEnd) PetscCall(PetscSectionGetDof(coordSectionCell, p, &dof));
2440: if (dof) {
2441: const PetscScalar *pcoords;
2443: PetscCall(DMPlexPointLocalRead(cdmCell, p, coords, &pcoords));
2444: for (n = 0; n < Nct; ++n) {
2445: const PetscInt Nr = rsize[n];
2447: if (DMPolytopeTypeGetDim(ct) != DMPolytopeTypeGetDim(rct[n])) continue;
2448: for (r = 0; r < Nr; ++r) {
2449: PetscInt pNew, offNew;
2451: /* It looks like Stefano and Lisandro are allowing localized coordinates without defining the periodic boundary, which means that
2452: DMLocalizeCoordinate_Internal() will not work. Localized coordinates will have to have obtained by the affine map of the larger
2453: cell to the ones it produces. */
2454: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2455: PetscCall(PetscSectionGetOffset(coordSectionCellNew, pNew, &offNew));
2456: PetscCall(DMPlexTransformMapLocalizedCoordinates(tr, ct, rct[n], r, pcoords, &coordsNew[offNew]));
2457: }
2458: }
2459: }
2460: }
2461: PetscCall(VecRestoreArrayRead(coordsLocalCell, &coords));
2462: PetscCall(VecRestoreArray(coordsLocalCellNew, &coordsNew));
2463: PetscCall(DMSetCellCoordinatesLocal(rdm, coordsLocalCellNew));
2464: PetscCall(VecDestroy(&coordsLocalCellNew));
2465: PetscCall(PetscSectionDestroy(&coordSectionCellNew));
2466: }
2467: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2468: PetscFunctionReturn(PETSC_SUCCESS);
2469: }
2471: /*@
2472: DMPlexTransformApply - Execute the transformation, producing another `DM`
2474: Collective
2476: Input Parameters:
2477: + tr - The `DMPlexTransform` object
2478: - dm - The original `DM`
2480: Output Parameter:
2481: . trdm - The transformed `DM`
2483: Level: intermediate
2485: Options Database Keys:
2486: + -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
2487: . -dm_plex_transform_label_replica_inc num - Increment for the label value to be multiplied by the replica number
2488: - -dm_plex_transform_active name - Name for active mesh label
2490: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformCreate()`, `DMPlexTransformSetDM()`
2491: @*/
2492: PetscErrorCode DMPlexTransformApply(DMPlexTransform tr, DM dm, DM *trdm)
2493: {
2494: DM rdm;
2495: DMPlexInterpolatedFlag interp;
2496: PetscInt pStart, pEnd;
2498: PetscFunctionBegin;
2501: PetscAssertPointer(trdm, 3);
2502: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2503: PetscCall(DMPlexTransformSetDM(tr, dm));
2505: PetscCall(DMCreate(PetscObjectComm((PetscObject)dm), &rdm));
2506: PetscCall(DMSetType(rdm, DMPLEX));
2507: PetscCall(DMPlexTransformSetDimensions(tr, dm, rdm));
2508: /* Calculate number of new points of each depth */
2509: PetscCall(DMPlexIsInterpolatedCollective(dm, &interp));
2510: PetscCheck(interp == DMPLEX_INTERPOLATED_FULL, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be fully interpolated for regular refinement");
2511: /* Step 1: Set chart */
2512: PetscCall(DMPlexTransformGetChart(tr, &pStart, &pEnd));
2513: PetscCall(DMPlexSetChart(rdm, pStart, pEnd));
2514: /* Step 2: Set cone/support sizes (automatically stratifies) */
2515: PetscCall(DMPlexTransformSetConeSizes(tr, rdm));
2516: /* Step 3: Setup refined DM */
2517: PetscCall(DMSetUp(rdm));
2518: /* Step 4: Set cones and supports (automatically symmetrizes) */
2519: PetscCall(DMPlexTransformSetCones(tr, rdm));
2520: /* Step 5: Create pointSF */
2521: PetscCall(DMPlexTransformCreateSF(tr, rdm));
2522: /* Step 6: Create labels */
2523: PetscCall(DMPlexTransformCreateLabels(tr, rdm));
2524: /* Step 7: Set coordinates */
2525: PetscCall(DMPlexTransformSetCoordinates(tr, rdm));
2526: // Do not copy periodicity, which was handled in DMPlexTransformSetCoordinates()
2527: PetscCall(DMPlexCopy_Internal(dm, PETSC_FALSE, PETSC_TRUE, rdm));
2528: // If the original DM was configured from options, the transformed DM should be as well
2529: rdm->setfromoptionscalled = dm->setfromoptionscalled;
2530: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2531: *trdm = rdm;
2532: PetscFunctionReturn(PETSC_SUCCESS);
2533: }
2535: PetscErrorCode DMPlexTransformAdaptLabel(DM dm, PETSC_UNUSED Vec metric, DMLabel adaptLabel, PETSC_UNUSED DMLabel rgLabel, DM *rdm)
2536: {
2537: DMPlexTransform tr;
2538: DM cdm, rcdm;
2539: const char *prefix;
2540: PetscBool save;
2542: PetscFunctionBegin;
2543: PetscCall(DMPlexTransformCreate(PetscObjectComm((PetscObject)dm), &tr));
2544: PetscCall(PetscObjectSetName((PetscObject)tr, "Adapt Label Transform"));
2545: PetscCall(PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix));
2546: PetscCall(PetscObjectSetOptionsPrefix((PetscObject)tr, prefix));
2547: PetscCall(DMPlexTransformSetDM(tr, dm));
2548: PetscCall(DMPlexTransformSetFromOptions(tr));
2549: if (adaptLabel) PetscCall(DMPlexTransformSetActive(tr, adaptLabel));
2550: PetscCall(DMPlexTransformSetUp(tr));
2551: PetscCall(PetscObjectViewFromOptions((PetscObject)tr, NULL, "-dm_plex_transform_view"));
2552: PetscCall(DMPlexTransformApply(tr, dm, rdm));
2553: PetscCall(DMCopyDisc(dm, *rdm));
2554: PetscCall(DMGetCoordinateDM(dm, &cdm));
2555: PetscCall(DMGetCoordinateDM(*rdm, &rcdm));
2556: PetscCall(DMCopyDisc(cdm, rcdm));
2557: PetscCall(DMPlexTransformCreateDiscLabels(tr, *rdm));
2558: PetscCall(DMCopyDisc(dm, *rdm));
2559: PetscCall(DMPlexGetSaveTransform(dm, &save));
2560: if (save) PetscCall(DMPlexSetTransform(*rdm, tr));
2561: PetscCall(DMPlexTransformDestroy(&tr));
2562: ((DM_Plex *)(*rdm)->data)->useHashLocation = ((DM_Plex *)dm->data)->useHashLocation;
2563: PetscFunctionReturn(PETSC_SUCCESS);
2564: }