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;
253: if (tr->trType) PetscCall(DMLabelView(tr->trType, v));
254: PetscCall(PetscViewerASCIIPrintf(v, "Source Starts\n"));
255: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
256: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
257: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->ctStart[f]));
258: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
259: PetscCall(PetscViewerASCIIPrintf(v, "Target Starts\n"));
260: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
261: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
262: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->ctStartNew[f]));
263: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
265: if (tr->trType) {
266: PetscCall(DMLabelGetNumValues(tr->trType, &Nrt));
267: PetscCall(DMLabelGetValueIS(tr->trType, &trIS));
268: PetscCall(ISGetIndices(trIS, &trTypes));
269: }
270: PetscCall(PetscViewerASCIIPrintf(v, "Offsets\n"));
271: PetscCall(PetscViewerASCIIPrintf(v, " "));
272: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
273: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
274: for (f = 0; f < Nrt; ++f) {
275: PetscCall(PetscViewerASCIIPrintf(v, "%2" PetscInt_FMT " |", trTypes ? trTypes[f] : f));
276: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->offset[f * DM_NUM_POLYTOPES + g]));
277: PetscCall(PetscViewerASCIIPrintf(v, " |\n"));
278: }
279: if (tr->trType) {
280: PetscCall(ISRestoreIndices(trIS, &trTypes));
281: PetscCall(ISDestroy(&trIS));
282: }
283: }
284: PetscFunctionReturn(PETSC_SUCCESS);
285: }
287: /*@
288: DMPlexTransformView - Views a `DMPlexTransform`
290: Collective
292: Input Parameters:
293: + tr - the `DMPlexTransform` object to view
294: - v - the viewer
296: Level: beginner
298: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `PetscViewer`, `DMPlexTransformDestroy()`, `DMPlexTransformCreate()`
299: @*/
300: PetscErrorCode DMPlexTransformView(DMPlexTransform tr, PetscViewer v)
301: {
302: PetscBool isascii;
304: PetscFunctionBegin;
306: if (!v) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)tr), &v));
308: PetscCheckSameComm(tr, 1, v, 2);
309: PetscCall(PetscViewerCheckWritable(v));
310: PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)tr, v));
311: PetscCall(PetscObjectTypeCompare((PetscObject)v, PETSCVIEWERASCII, &isascii));
312: if (isascii) PetscCall(DMPlexTransformView_Ascii(tr, v));
313: PetscTryTypeMethod(tr, view, v);
314: PetscFunctionReturn(PETSC_SUCCESS);
315: }
317: /*@
318: DMPlexTransformSetFromOptions - Sets parameters in a transform from values in the options database
320: Collective
322: Input Parameter:
323: . tr - the `DMPlexTransform` object to set options for
325: Options Database Keys:
326: + -dm_plex_transform_type type - Set the transform type, e.g. refine_regular
327: . -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
328: . -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
329: . -dm_plex_transform_active name - Name for active mesh label
330: - -dm_plex_transform_active_values v0,v1,... - Values in the active label
332: Level: intermediate
334: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
335: @*/
336: PetscErrorCode DMPlexTransformSetFromOptions(DMPlexTransform tr)
337: {
338: char typeName[1024], active[PETSC_MAX_PATH_LEN];
339: const char *defName = DMPLEXREFINEREGULAR;
340: PetscBool flg, match;
342: PetscFunctionBegin;
344: PetscObjectOptionsBegin((PetscObject)tr);
345: PetscCall(PetscOptionsFList("-dm_plex_transform_type", "DMPlexTransform", "DMPlexTransformSetType", DMPlexTransformList, defName, typeName, 1024, &flg));
346: if (flg) PetscCall(DMPlexTransformSetType(tr, typeName));
347: else if (!((PetscObject)tr)->type_name) PetscCall(DMPlexTransformSetType(tr, defName));
348: PetscCall(PetscOptionsBool("-dm_plex_transform_label_match_strata", "Only label points of the same stratum as the producing point", "", tr->labelMatchStrata, &match, &flg));
349: if (flg) PetscCall(DMPlexTransformSetMatchStrata(tr, match));
350: 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));
351: PetscCall(PetscOptionsString("-dm_plex_transform_active", "Name for active mesh label", "DMPlexTransformSetActive", active, active, sizeof(active), &flg));
352: if (flg) {
353: DM dm;
354: DMLabel label;
355: PetscInt values[16];
356: PetscInt n = 16;
358: PetscCall(DMPlexTransformGetDM(tr, &dm));
359: PetscCall(DMGetLabel(dm, active, &label));
360: PetscCall(PetscOptionsIntArray("-dm_plex_transform_active_values", "The label values to be active", "DMPlexTransformSetActive", values, &n, &flg));
361: if (flg && n) {
362: DMLabel newlabel;
364: PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Active", &newlabel));
365: for (PetscInt i = 0; i < n; ++i) {
366: IS is;
368: PetscCall(DMLabelGetStratumIS(label, values[i], &is));
369: PetscCall(DMLabelInsertIS(newlabel, is, values[i]));
370: PetscCall(ISDestroy(&is));
371: }
372: PetscCall(DMPlexTransformSetActive(tr, newlabel));
373: PetscCall(DMLabelDestroy(&newlabel));
374: } else {
375: PetscCall(DMPlexTransformSetActive(tr, label));
376: }
377: }
378: PetscTryTypeMethod(tr, setfromoptions, PetscOptionsObject);
379: /* process any options handlers added with PetscObjectAddOptionsHandler() */
380: PetscCall(PetscObjectProcessOptionsHandlers((PetscObject)tr, PetscOptionsObject));
381: PetscOptionsEnd();
382: PetscFunctionReturn(PETSC_SUCCESS);
383: }
385: /*@
386: DMPlexTransformDestroy - Destroys a `DMPlexTransform`
388: Collective
390: Input Parameter:
391: . tr - the transform object to destroy
393: Level: beginner
395: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
396: @*/
397: PetscErrorCode DMPlexTransformDestroy(DMPlexTransform *tr)
398: {
399: PetscInt c;
401: PetscFunctionBegin;
402: if (!*tr) PetscFunctionReturn(PETSC_SUCCESS);
404: if (--((PetscObject)*tr)->refct > 0) {
405: *tr = NULL;
406: PetscFunctionReturn(PETSC_SUCCESS);
407: }
409: PetscTryTypeMethod(*tr, destroy);
410: PetscCall(DMDestroy(&(*tr)->dm));
411: PetscCall(DMLabelDestroy(&(*tr)->active));
412: PetscCall(DMLabelDestroy(&(*tr)->trType));
413: PetscCall(PetscFree2((*tr)->ctOrderOld, (*tr)->ctOrderInvOld));
414: PetscCall(PetscFree2((*tr)->ctOrderNew, (*tr)->ctOrderInvNew));
415: PetscCall(PetscFree2((*tr)->ctStart, (*tr)->ctStartNew));
416: PetscCall(PetscFree((*tr)->offset));
417: PetscCall(PetscFree2((*tr)->depthStart, (*tr)->depthEnd));
418: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
419: PetscCall(PetscFEDestroy(&(*tr)->coordFE[c]));
420: PetscCall(PetscFEGeomDestroy(&(*tr)->refGeom[c]));
421: }
422: if ((*tr)->trVerts) {
423: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
424: DMPolytopeType *rct;
425: PetscInt *rsize, *rcone, *rornt, Nct, n, r;
427: if (DMPolytopeTypeGetDim((DMPolytopeType)c) > 0 && c != DM_POLYTOPE_UNKNOWN_CELL && c != DM_POLYTOPE_UNKNOWN_FACE) {
428: PetscCall(DMPlexTransformCellTransform(*tr, (DMPolytopeType)c, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
429: for (n = 0; n < Nct; ++n) {
430: if (rct[n] == DM_POLYTOPE_POINT) continue;
431: for (r = 0; r < rsize[n]; ++r) PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]][r]));
432: PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]]));
433: }
434: }
435: PetscCall(PetscFree((*tr)->trSubVerts[c]));
436: PetscCall(PetscFree((*tr)->trVerts[c]));
437: }
438: }
439: PetscCall(PetscFree3((*tr)->trNv, (*tr)->trVerts, (*tr)->trSubVerts));
440: PetscCall(PetscFree2((*tr)->coordFE, (*tr)->refGeom));
441: /* We do not destroy (*dm)->data here so that we can reference count backend objects */
442: PetscCall(PetscHeaderDestroy(tr));
443: PetscFunctionReturn(PETSC_SUCCESS);
444: }
446: static PetscErrorCode DMPlexTransformCreateOffset_Internal(DMPlexTransform tr, PetscInt ctOrderOld[], PetscInt ctStart[], PetscInt **offset)
447: {
448: DMLabel trType = tr->trType;
449: PetscInt c, cN, *off;
451: PetscFunctionBegin;
452: if (trType) {
453: DM dm;
454: IS rtIS;
455: const PetscInt *reftypes;
456: PetscInt Nrt, r;
458: PetscCall(DMPlexTransformGetDM(tr, &dm));
459: PetscCall(DMLabelGetNumValues(trType, &Nrt));
460: PetscCall(DMLabelGetValueIS(trType, &rtIS));
461: PetscCall(ISGetIndices(rtIS, &reftypes));
462: PetscCall(PetscCalloc1(Nrt * DM_NUM_POLYTOPES, &off));
463: for (r = 0; r < Nrt; ++r) {
464: const PetscInt rt = reftypes[r];
465: IS rtIS;
466: const PetscInt *points;
467: DMPolytopeType ct;
468: PetscInt np, p;
470: PetscCall(DMLabelGetStratumIS(trType, rt, &rtIS));
471: PetscCall(ISGetLocalSize(rtIS, &np));
472: PetscCall(ISGetIndices(rtIS, &points));
473: if (!np) continue;
474: p = points[0];
475: PetscCall(ISRestoreIndices(rtIS, &points));
476: PetscCall(ISDestroy(&rtIS));
477: PetscCall(DMPlexGetCellType(dm, p, &ct));
478: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
479: const DMPolytopeType ctNew = (DMPolytopeType)cN;
480: DMPolytopeType *rct;
481: PetscInt *rsize, *cone, *ornt;
482: PetscInt Nct, n, s;
484: if (DMPolytopeTypeGetDim(ct) < 0 || DMPolytopeTypeGetDim(ctNew) < 0) {
485: off[r * DM_NUM_POLYTOPES + ctNew] = -1;
486: break;
487: }
488: off[r * DM_NUM_POLYTOPES + ctNew] = 0;
489: for (s = 0; s <= r; ++s) {
490: const PetscInt st = reftypes[s];
491: DMPolytopeType sct;
492: PetscInt q, qrt;
494: PetscCall(DMLabelGetStratumIS(trType, st, &rtIS));
495: PetscCall(ISGetLocalSize(rtIS, &np));
496: PetscCall(ISGetIndices(rtIS, &points));
497: if (!np) continue;
498: q = points[0];
499: PetscCall(ISRestoreIndices(rtIS, &points));
500: PetscCall(ISDestroy(&rtIS));
501: PetscCall(DMPlexGetCellType(dm, q, &sct));
502: PetscCall(DMPlexTransformCellTransform(tr, sct, q, &qrt, &Nct, &rct, &rsize, &cone, &ornt));
503: 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);
504: if (st == rt) {
505: for (n = 0; n < Nct; ++n)
506: if (rct[n] == ctNew) break;
507: if (n == Nct) off[r * DM_NUM_POLYTOPES + ctNew] = -1;
508: break;
509: }
510: for (n = 0; n < Nct; ++n) {
511: if (rct[n] == ctNew) {
512: PetscInt sn;
514: PetscCall(DMLabelGetStratumSize(trType, st, &sn));
515: off[r * DM_NUM_POLYTOPES + ctNew] += sn * rsize[n];
516: }
517: }
518: }
519: }
520: }
521: PetscCall(ISRestoreIndices(rtIS, &reftypes));
522: PetscCall(ISDestroy(&rtIS));
523: } else {
524: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES * DM_NUM_POLYTOPES, &off));
525: for (c = DM_POLYTOPE_POINT; c < DM_NUM_POLYTOPES; ++c) {
526: const DMPolytopeType ct = (DMPolytopeType)c;
527: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
528: const DMPolytopeType ctNew = (DMPolytopeType)cN;
529: DMPolytopeType *rct;
530: PetscInt *rsize, *cone, *ornt;
531: PetscInt Nct, n, i;
533: 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) {
534: off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
535: continue;
536: }
537: off[ct * DM_NUM_POLYTOPES + ctNew] = 0;
538: for (i = DM_POLYTOPE_POINT; i < DM_NUM_POLYTOPES; ++i) {
539: const DMPolytopeType ict = (DMPolytopeType)ctOrderOld[i];
540: const DMPolytopeType ictn = (DMPolytopeType)ctOrderOld[i + 1];
542: PetscCall(DMPlexTransformCellTransform(tr, ict, PETSC_DETERMINE, NULL, &Nct, &rct, &rsize, &cone, &ornt));
543: if (ict == ct) {
544: for (n = 0; n < Nct; ++n)
545: if (rct[n] == ctNew) break;
546: if (n == Nct) off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
547: break;
548: }
549: for (n = 0; n < Nct; ++n)
550: if (rct[n] == ctNew) off[ct * DM_NUM_POLYTOPES + ctNew] += (ctStart[ictn] - ctStart[ict]) * rsize[n];
551: }
552: }
553: }
554: }
555: *offset = off;
556: PetscFunctionReturn(PETSC_SUCCESS);
557: }
559: /*@
560: DMPlexTransformSetUp - Create the tables that drive the transform
562: Input Parameter:
563: . tr - The `DMPlexTransform` object
565: Level: intermediate
567: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
568: @*/
569: PetscErrorCode DMPlexTransformSetUp(DMPlexTransform tr)
570: {
571: DMPolytopeType ctCell;
572: DM dm;
573: PetscInt pStart, pEnd, p, c, celldim = 0;
575: PetscFunctionBegin;
577: if (tr->setupcalled) PetscFunctionReturn(PETSC_SUCCESS);
578: PetscCall(DMPlexTransformGetDM(tr, &dm));
579: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
580: PetscTryTypeMethod(tr, setup);
581: PetscCall(DMSetSnapToGeomModel(dm, NULL));
582: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
584: if (pEnd > pStart) {
585: // Ignore cells hanging off of embedded surfaces
586: PetscInt c = pStart;
588: ctCell = DM_POLYTOPE_FV_GHOST;
589: while (DMPolytopeTypeGetDim(ctCell) < 0) PetscCall(DMPlexGetCellType(dm, c++, &ctCell));
590: } else {
591: PetscInt dim;
593: PetscCall(DMGetDimension(dm, &dim));
594: switch (dim) {
595: case 0:
596: ctCell = DM_POLYTOPE_POINT;
597: break;
598: case 1:
599: ctCell = DM_POLYTOPE_SEGMENT;
600: break;
601: case 2:
602: ctCell = DM_POLYTOPE_TRIANGLE;
603: break;
604: case 3:
605: ctCell = DM_POLYTOPE_TETRAHEDRON;
606: break;
607: default:
608: ctCell = DM_POLYTOPE_UNKNOWN;
609: }
610: }
611: PetscCall(DMPlexCreateCellTypeOrder_Internal(dm, DMPolytopeTypeGetDim(ctCell), &tr->ctOrderOld, &tr->ctOrderInvOld));
612: for (p = pStart; p < pEnd; ++p) {
613: DMPolytopeType ct;
614: DMPolytopeType *rct;
615: PetscInt *rsize, *cone, *ornt;
616: PetscInt Nct, n;
618: PetscCall(DMPlexGetCellType(dm, p, &ct));
619: 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);
620: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
621: for (n = 0; n < Nct; ++n) celldim = PetscMax(celldim, DMPolytopeTypeGetDim(rct[n]));
622: }
623: PetscCall(DMPlexCreateCellTypeOrder_Internal(NULL, celldim, &tr->ctOrderNew, &tr->ctOrderInvNew));
624: /* Construct sizes and offsets for each cell type */
625: if (!tr->ctStart) {
626: PetscInt *ctS, *ctSN, *ctC, *ctCN;
628: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctS, DM_NUM_POLYTOPES + 1, &ctSN));
629: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctC, DM_NUM_POLYTOPES + 1, &ctCN));
630: for (p = pStart; p < pEnd; ++p) {
631: DMPolytopeType ct;
632: DMPolytopeType *rct;
633: PetscInt *rsize, *cone, *ornt;
634: PetscInt Nct, n;
636: PetscCall(DMPlexGetCellType(dm, p, &ct));
637: 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);
638: ++ctC[ct];
639: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
640: for (n = 0; n < Nct; ++n) ctCN[rct[n]] += rsize[n];
641: }
642: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
643: const PetscInt cto = tr->ctOrderOld[c];
644: const PetscInt cton = tr->ctOrderOld[c + 1];
645: const PetscInt ctn = tr->ctOrderNew[c];
646: const PetscInt ctnn = tr->ctOrderNew[c + 1];
648: ctS[cton] = ctS[cto] + ctC[cto];
649: ctSN[ctnn] = ctSN[ctn] + ctCN[ctn];
650: }
651: PetscCall(PetscFree2(ctC, ctCN));
652: tr->ctStart = ctS;
653: tr->ctStartNew = ctSN;
654: }
655: PetscCall(DMPlexTransformCreateOffset_Internal(tr, tr->ctOrderOld, tr->ctStart, &tr->offset));
656: // Compute depth information
657: tr->depth = -1;
658: for (c = 0; c < DM_NUM_POLYTOPES; ++c)
659: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] > tr->ctStartNew[tr->ctOrderNew[c]]) tr->depth = PetscMax(tr->depth, DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]));
660: PetscCall(PetscMalloc2(tr->depth + 1, &tr->depthStart, tr->depth + 1, &tr->depthEnd));
661: for (PetscInt d = 0; d <= tr->depth; ++d) {
662: tr->depthStart[d] = PETSC_INT_MAX;
663: tr->depthEnd[d] = -1;
664: }
665: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
666: const PetscInt dep = DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]);
668: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] <= tr->ctStartNew[tr->ctOrderNew[c]]) continue;
669: tr->depthStart[dep] = PetscMin(tr->depthStart[dep], tr->ctStartNew[tr->ctOrderNew[c]]);
670: tr->depthEnd[dep] = PetscMax(tr->depthEnd[dep], tr->ctStartNew[tr->ctOrderNew[c + 1]]);
671: }
672: tr->setupcalled = PETSC_TRUE;
673: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
674: PetscFunctionReturn(PETSC_SUCCESS);
675: }
677: /*@
678: DMPlexTransformGetDM - Get the base `DM` for the transform
680: Input Parameter:
681: . tr - The `DMPlexTransform` object
683: Output Parameter:
684: . dm - The original `DM` which will be transformed
686: Level: intermediate
688: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
689: @*/
690: PetscErrorCode DMPlexTransformGetDM(DMPlexTransform tr, DM *dm)
691: {
692: PetscFunctionBegin;
694: PetscAssertPointer(dm, 2);
695: *dm = tr->dm;
696: PetscFunctionReturn(PETSC_SUCCESS);
697: }
699: /*@
700: DMPlexTransformSetDM - Set the base `DM` for the transform
702: Input Parameters:
703: + tr - The `DMPlexTransform` object
704: - dm - The original `DM` which will be transformed
706: Level: intermediate
708: Note:
709: The user does not typically call this, as it is called by `DMPlexTransformApply()`.
711: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
712: @*/
713: PetscErrorCode DMPlexTransformSetDM(DMPlexTransform tr, DM dm)
714: {
715: PetscFunctionBegin;
718: PetscCall(PetscObjectReference((PetscObject)dm));
719: PetscCall(DMDestroy(&tr->dm));
720: tr->dm = dm;
721: PetscFunctionReturn(PETSC_SUCCESS);
722: }
724: /*@
725: DMPlexTransformGetActive - Get the `DMLabel` marking the active points for the transform
727: Input Parameter:
728: . tr - The `DMPlexTransform` object
730: Output Parameter:
731: . active - The `DMLabel` indicating which points will be transformed
733: Level: intermediate
735: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
736: @*/
737: PetscErrorCode DMPlexTransformGetActive(DMPlexTransform tr, DMLabel *active)
738: {
739: PetscFunctionBegin;
741: PetscAssertPointer(active, 2);
742: *active = tr->active;
743: PetscFunctionReturn(PETSC_SUCCESS);
744: }
746: /*@
747: DMPlexTransformSetActive - Set the `DMLabel` marking the active points for the transform
749: Input Parameters:
750: + tr - The `DMPlexTransform` object
751: - active - The `DMLabel` indicating which points will be transformed
753: Level: intermediate
755: Note:
756: This only applies to transforms listed in [](plex_transform_table) that operate on a subset of the mesh.
758: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
759: @*/
760: PetscErrorCode DMPlexTransformSetActive(DMPlexTransform tr, DMLabel active)
761: {
762: PetscFunctionBegin;
765: PetscCall(PetscObjectReference((PetscObject)active));
766: PetscCall(DMLabelDestroy(&tr->active));
767: tr->active = active;
768: PetscFunctionReturn(PETSC_SUCCESS);
769: }
771: /*@
772: DMPlexTransformGetTransformTypes - Get the `DMLabel` marking the transform type of each point for the transform
774: Input Parameter:
775: . tr - The `DMPlexTransform` object
777: Output Parameter:
778: . trType - The `DMLabel` indicating the transform type for each point
780: Level: intermediate
782: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexSetTransformType()`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
783: @*/
784: PetscErrorCode DMPlexTransformGetTransformTypes(DMPlexTransform tr, DMLabel *trType)
785: {
786: PetscFunctionBegin;
788: PetscAssertPointer(trType, 2);
789: *trType = tr->trType;
790: PetscFunctionReturn(PETSC_SUCCESS);
791: }
793: /*@
794: DMPlexTransformSetTransformTypes - Set the `DMLabel` marking the transform type of each point for the transform
796: Input Parameters:
797: + tr - The `DMPlexTransform` object
798: - trType - The original `DM` which will be transformed
800: Level: intermediate
802: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetTransformTypes()`, `DMPlexTransformGetActive())`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
803: @*/
804: PetscErrorCode DMPlexTransformSetTransformTypes(DMPlexTransform tr, DMLabel trType)
805: {
806: PetscFunctionBegin;
809: PetscCall(PetscObjectReference((PetscObject)trType));
810: PetscCall(DMLabelDestroy(&tr->trType));
811: tr->trType = trType;
812: PetscFunctionReturn(PETSC_SUCCESS);
813: }
815: static PetscErrorCode DMPlexTransformGetCoordinateFE(DMPlexTransform tr, DMPolytopeType ct, PetscFE *fe)
816: {
817: PetscFunctionBegin;
818: if (!tr->coordFE[ct]) {
819: PetscInt dim, cdim;
821: dim = DMPolytopeTypeGetDim(ct);
822: PetscCall(DMGetCoordinateDim(tr->dm, &cdim));
823: PetscCall(PetscFECreateLagrangeByCell(PETSC_COMM_SELF, dim, cdim, ct, 1, PETSC_DETERMINE, &tr->coordFE[ct]));
824: {
825: PetscDualSpace dsp;
826: PetscQuadrature quad;
827: DM K;
828: PetscFEGeom *cg;
829: PetscScalar *Xq;
830: PetscReal *xq, *wq;
831: PetscInt Nq, q;
833: PetscCall(DMPlexTransformGetCellVertices(tr, ct, &Nq, &Xq));
834: PetscCall(PetscMalloc1(Nq * cdim, &xq));
835: for (q = 0; q < Nq * cdim; ++q) xq[q] = PetscRealPart(Xq[q]);
836: PetscCall(PetscMalloc1(Nq, &wq));
837: for (q = 0; q < Nq; ++q) wq[q] = 1.0;
838: PetscCall(PetscQuadratureCreate(PETSC_COMM_SELF, &quad));
839: PetscCall(PetscQuadratureSetData(quad, dim, 1, Nq, xq, wq));
840: PetscCall(PetscFESetQuadrature(tr->coordFE[ct], quad));
842: PetscCall(PetscFEGetDualSpace(tr->coordFE[ct], &dsp));
843: PetscCall(PetscDualSpaceGetDM(dsp, &K));
844: PetscCall(PetscFEGeomCreate(quad, 1, cdim, PETSC_FEGEOM_BASIC, &tr->refGeom[ct]));
845: cg = tr->refGeom[ct];
846: PetscCall(DMPlexComputeCellGeometryFEM(K, 0, NULL, cg->v, cg->J, cg->invJ, cg->detJ));
847: PetscCall(PetscQuadratureDestroy(&quad));
848: }
849: }
850: *fe = tr->coordFE[ct];
851: PetscFunctionReturn(PETSC_SUCCESS);
852: }
854: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform tr, DM dm, DM tdm)
855: {
856: PetscInt dim, cdim;
858: PetscFunctionBegin;
859: PetscCall(DMGetDimension(dm, &dim));
860: PetscCall(DMSetDimension(tdm, dim));
861: PetscCall(DMGetCoordinateDim(dm, &cdim));
862: PetscCall(DMSetCoordinateDim(tdm, cdim));
863: PetscFunctionReturn(PETSC_SUCCESS);
864: }
866: /*@
867: DMPlexTransformSetDimensions - Set the dimensions for the transformed `DM`
869: Input Parameters:
870: + tr - The `DMPlexTransform` object
871: - dm - The original `DM`
873: Output Parameter:
874: . trdm - The transformed `DM`
876: Level: advanced
878: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
879: @*/
880: PetscErrorCode DMPlexTransformSetDimensions(DMPlexTransform tr, DM dm, DM trdm)
881: {
882: PetscFunctionBegin;
883: PetscUseTypeMethod(tr, setdimensions, dm, trdm);
884: PetscFunctionReturn(PETSC_SUCCESS);
885: }
887: PetscErrorCode DMPlexTransformGetChart(DMPlexTransform tr, PetscInt *pStart, PetscInt *pEnd)
888: {
889: PetscFunctionBegin;
890: if (pStart) *pStart = 0;
891: if (pEnd) *pEnd = tr->ctStartNew[tr->ctOrderNew[DM_NUM_POLYTOPES]];
892: PetscFunctionReturn(PETSC_SUCCESS);
893: }
895: PetscErrorCode DMPlexTransformGetCellType(DMPlexTransform tr, PetscInt cell, DMPolytopeType *celltype)
896: {
897: PetscInt ctNew;
899: PetscFunctionBegin;
901: PetscAssertPointer(celltype, 3);
902: /* TODO Can do bisection since everything is sorted */
903: for (ctNew = DM_POLYTOPE_POINT; ctNew < DM_NUM_POLYTOPES; ++ctNew) {
904: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
906: if (cell >= ctSN && cell < ctEN) break;
907: }
908: PetscCheck(ctNew < DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point %" PetscInt_FMT " cannot be located in the transformed mesh", cell);
909: *celltype = (DMPolytopeType)ctNew;
910: PetscFunctionReturn(PETSC_SUCCESS);
911: }
913: PetscErrorCode DMPlexTransformGetCellTypeStratum(DMPlexTransform tr, DMPolytopeType celltype, PetscInt *start, PetscInt *end)
914: {
915: PetscFunctionBegin;
917: if (start) *start = tr->ctStartNew[celltype];
918: if (end) *end = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[celltype] + 1]];
919: PetscFunctionReturn(PETSC_SUCCESS);
920: }
922: PetscErrorCode DMPlexTransformGetDepth(DMPlexTransform tr, PetscInt *depth)
923: {
924: PetscFunctionBegin;
926: *depth = tr->depth;
927: PetscFunctionReturn(PETSC_SUCCESS);
928: }
930: PetscErrorCode DMPlexTransformGetDepthStratum(DMPlexTransform tr, PetscInt depth, PetscInt *start, PetscInt *end)
931: {
932: PetscFunctionBegin;
934: if (start) *start = tr->depthStart[depth];
935: if (end) *end = tr->depthEnd[depth];
936: PetscFunctionReturn(PETSC_SUCCESS);
937: }
939: /*@
940: DMPlexTransformGetMatchStrata - Get the flag which determines what points get added to the transformed labels
942: Not Collective
944: Input Parameter:
945: . tr - The `DMPlexTransform`
947: Output Parameter:
948: . match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
950: Level: intermediate
952: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetMatchStrata()`, `DMPlexGetPointDepth()`
953: @*/
954: PetscErrorCode DMPlexTransformGetMatchStrata(DMPlexTransform tr, PetscBool *match)
955: {
956: PetscFunctionBegin;
958: PetscAssertPointer(match, 2);
959: *match = tr->labelMatchStrata;
960: PetscFunctionReturn(PETSC_SUCCESS);
961: }
963: /*@
964: DMPlexTransformSetMatchStrata - Set the flag which determines what points get added to the transformed labels
966: Not Collective
968: Input Parameters:
969: + tr - The `DMPlexTransform`
970: - match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
972: Level: intermediate
974: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetMatchStrata()`, `DMPlexGetPointDepth()`
975: @*/
976: PetscErrorCode DMPlexTransformSetMatchStrata(DMPlexTransform tr, PetscBool match)
977: {
978: PetscFunctionBegin;
980: tr->labelMatchStrata = match;
981: PetscFunctionReturn(PETSC_SUCCESS);
982: }
984: /*@
985: DMPlexTransformGetTargetPoint - Get the number of a point in the transformed mesh based on information from the original mesh.
987: Not Collective
989: Input Parameters:
990: + tr - The `DMPlexTransform`
991: . ct - The type of the original point which produces the new point
992: . ctNew - The type of the new point
993: . p - The original point which produces the new point
994: - r - The replica number of the new point, meaning it is the rth point of type `ctNew` produced from `p`
996: Output Parameter:
997: . pNew - The new point number
999: Level: developer
1001: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSourcePoint()`, `DMPlexTransformCellTransform()`
1002: @*/
1003: PetscErrorCode DMPlexTransformGetTargetPoint(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType ctNew, PetscInt p, PetscInt r, PetscInt *pNew)
1004: {
1005: DMPolytopeType *rct;
1006: PetscInt *rsize, *cone, *ornt;
1007: PetscInt rt, Nct, n, off, rp;
1008: DMLabel trType = tr->trType;
1009: PetscInt ctS = tr->ctStart[ct], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ct] + 1]];
1010: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
1011: PetscInt newp = ctSN, cind;
1013: PetscFunctionBeginHot;
1014: 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);
1015: PetscCall(DMPlexTransformCellTransform(tr, ct, p, &rt, &Nct, &rct, &rsize, &cone, &ornt));
1016: if (trType) {
1017: PetscCall(DMLabelGetValueIndex(trType, rt, &cind));
1018: PetscCall(DMLabelGetStratumPointIndex(trType, rt, p, &rp));
1019: 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);
1020: } else {
1021: cind = ct;
1022: rp = p - ctS;
1023: }
1024: off = tr->offset[cind * DM_NUM_POLYTOPES + ctNew];
1025: 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);
1026: newp += off;
1027: for (n = 0; n < Nct; ++n) {
1028: if (rct[n] == ctNew) {
1029: if (rsize[n] && r >= rsize[n])
1030: SETERRQ(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]);
1031: newp += rp * rsize[n] + r;
1032: break;
1033: }
1034: }
1036: 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);
1037: *pNew = newp;
1038: PetscFunctionReturn(PETSC_SUCCESS);
1039: }
1041: /*@
1042: DMPlexTransformGetSourcePoint - Get the number of a point in the original mesh based on information from the transformed mesh.
1044: Not Collective
1046: Input Parameters:
1047: + tr - The `DMPlexTransform`
1048: - pNew - The new point number
1050: Output Parameters:
1051: + ct - The type of the original point which produces the new point
1052: . ctNew - The type of the new point
1053: . p - The original point which produces the new point
1054: - r - The replica number of the new point, meaning it is the rth point of type ctNew produced from p
1056: Level: developer
1058: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetTargetPoint()`, `DMPlexTransformCellTransform()`
1059: @*/
1060: PetscErrorCode DMPlexTransformGetSourcePoint(DMPlexTransform tr, PetscInt pNew, DMPolytopeType *ct, DMPolytopeType *ctNew, PetscInt *p, PetscInt *r)
1061: {
1062: DMLabel trType = tr->trType;
1063: DMPolytopeType *rct, ctN;
1064: PetscInt *rsize, *cone, *ornt;
1065: PetscInt rt = -1, rtTmp, Nct, n, rp = 0, rO = 0, pO;
1066: PetscInt offset = -1, ctS, ctE, ctO = 0, ctTmp, rtS;
1068: PetscFunctionBegin;
1069: PetscCall(DMPlexTransformGetCellType(tr, pNew, &ctN));
1070: if (trType) {
1071: DM dm;
1072: IS rtIS;
1073: const PetscInt *reftypes;
1074: PetscInt Nrt, r, rtStart;
1076: PetscCall(DMPlexTransformGetDM(tr, &dm));
1077: PetscCall(DMLabelGetNumValues(trType, &Nrt));
1078: PetscCall(DMLabelGetValueIS(trType, &rtIS));
1079: PetscCall(ISGetIndices(rtIS, &reftypes));
1080: for (r = 0; r < Nrt; ++r) {
1081: const PetscInt off = tr->offset[r * DM_NUM_POLYTOPES + ctN];
1083: if (tr->ctStartNew[ctN] + off > pNew) continue;
1084: /* Check that any of this refinement type exist */
1085: /* TODO Actually keep track of the number produced here instead */
1086: if (off > offset) {
1087: rt = reftypes[r];
1088: offset = off;
1089: }
1090: }
1091: PetscCall(ISRestoreIndices(rtIS, &reftypes));
1092: PetscCall(ISDestroy(&rtIS));
1093: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1094: /* TODO Map refinement types to cell types */
1095: PetscCall(DMLabelGetStratumBounds(trType, rt, &rtStart, NULL));
1096: PetscCheck(rtStart >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Refinement type %" PetscInt_FMT " has no source points", rt);
1097: for (ctO = 0; ctO < DM_NUM_POLYTOPES; ++ctO) {
1098: PetscInt ctS = tr->ctStart[ctO], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1100: if ((rtStart >= ctS) && (rtStart < ctE)) break;
1101: }
1102: PetscCheck(ctO != DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Could not determine a cell type for refinement type %" PetscInt_FMT, rt);
1103: } else {
1104: for (ctTmp = 0; ctTmp < DM_NUM_POLYTOPES; ++ctTmp) {
1105: const PetscInt off = tr->offset[ctTmp * DM_NUM_POLYTOPES + ctN];
1107: if (tr->ctStartNew[ctN] + off > pNew) continue;
1108: if (tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctTmp] + 1]] <= tr->ctStart[ctTmp]) continue;
1109: /* TODO Actually keep track of the number produced here instead */
1110: if (off > offset) {
1111: ctO = ctTmp;
1112: offset = off;
1113: }
1114: }
1115: rt = -1;
1116: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1117: }
1118: ctS = tr->ctStart[ctO];
1119: ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1120: if (trType) {
1121: for (rtS = ctS; rtS < ctE; ++rtS) {
1122: PetscInt val;
1123: PetscCall(DMLabelGetValue(trType, rtS, &val));
1124: if (val == rt) break;
1125: }
1126: 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);
1127: } else rtS = ctS;
1128: PetscCall(DMPlexTransformCellTransform(tr, (DMPolytopeType)ctO, rtS, &rtTmp, &Nct, &rct, &rsize, &cone, &ornt));
1129: 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);
1130: for (n = 0; n < Nct; ++n) {
1131: if (rct[n] == ctN) {
1132: PetscInt tmp = pNew - tr->ctStartNew[ctN] - offset, val, c;
1134: if (trType) {
1135: for (c = ctS; c < ctE; ++c) {
1136: PetscCall(DMLabelGetValue(trType, c, &val));
1137: if (val == rt) {
1138: if (tmp < rsize[n]) break;
1139: tmp -= rsize[n];
1140: }
1141: }
1142: PetscCheck(c < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Parent point for target point %" PetscInt_FMT " could be not found", pNew);
1143: rp = c - ctS;
1144: rO = tmp;
1145: } else {
1146: // This assumes that all points of type ctO transform the same way
1147: rp = tmp / rsize[n];
1148: rO = tmp % rsize[n];
1149: }
1150: break;
1151: }
1152: }
1153: PetscCheck(n != Nct, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number for target point %" PetscInt_FMT " could be not found", pNew);
1154: pO = rp + ctS;
1155: 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);
1156: if (ct) *ct = (DMPolytopeType)ctO;
1157: if (ctNew) *ctNew = ctN;
1158: if (p) *p = pO;
1159: if (r) *r = rO;
1160: PetscFunctionReturn(PETSC_SUCCESS);
1161: }
1163: /*@
1164: DMPlexTransformCellTransform - Describes the transform of a given source cell into a set of other target cells. These produced cells become the new mesh.
1166: Input Parameters:
1167: + tr - The `DMPlexTransform` object
1168: . source - The source cell type
1169: - p - The source point, which can also determine the refine type
1171: Output Parameters:
1172: + rt - The refine type for this point
1173: . Nt - The number of types produced by this point
1174: . target - An array of length `Nt` giving the types produced
1175: . size - An array of length `Nt` giving the number of cells of each type produced
1176: . cone - An array of length `Nt`*size[t]*coneSize[t] giving the cell type for each point in the cone of each produced point
1177: - ornt - An array of length `Nt`*size[t]*coneSize[t] giving the orientation for each point in the cone of each produced point
1179: Level: advanced
1181: Notes:
1182: The cone array gives the cone of each subcell listed by the first three outputs. For each cone point, we
1183: need the cell type, point identifier, and orientation within the subcell. The orientation is with respect to the canonical
1184: division (described in these outputs) of the cell in the original mesh. The point identifier is given by
1185: .vb
1186: the number of cones to be taken, or 0 for the current cell
1187: the cell cone point number at each level from which it is subdivided
1188: the replica number r of the subdivision.
1189: .ve
1190: The orientation is with respect to the canonical cone orientation. For example, the prescription for edge division is
1191: .vb
1192: Nt = 2
1193: target = {DM_POLYTOPE_POINT, DM_POLYTOPE_SEGMENT}
1194: size = {1, 2}
1195: cone = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0}
1196: ornt = { 0, 0, 0, 0}
1197: .ve
1199: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1200: @*/
1201: PetscErrorCode DMPlexTransformCellTransform(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1202: {
1203: PetscFunctionBegin;
1204: PetscUseTypeMethod(tr, celltransform, source, p, rt, Nt, target, size, cone, ornt);
1205: PetscFunctionReturn(PETSC_SUCCESS);
1206: }
1208: PetscErrorCode DMPlexTransformGetSubcellOrientationIdentity(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1209: {
1210: PetscFunctionBegin;
1211: *rnew = r;
1212: *onew = DMPolytopeTypeComposeOrientation(tct, o, so);
1213: PetscFunctionReturn(PETSC_SUCCESS);
1214: }
1216: /* Returns the same thing */
1217: PetscErrorCode DMPlexTransformCellTransformIdentity(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1218: {
1219: static DMPolytopeType vertexT[] = {DM_POLYTOPE_POINT};
1220: static PetscInt vertexS[] = {1};
1221: static PetscInt vertexC[] = {0};
1222: static PetscInt vertexO[] = {0};
1223: static DMPolytopeType edgeT[] = {DM_POLYTOPE_SEGMENT};
1224: static PetscInt edgeS[] = {1};
1225: static PetscInt edgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1226: static PetscInt edgeO[] = {0, 0};
1227: static DMPolytopeType tedgeT[] = {DM_POLYTOPE_POINT_PRISM_TENSOR};
1228: static PetscInt tedgeS[] = {1};
1229: static PetscInt tedgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1230: static PetscInt tedgeO[] = {0, 0};
1231: static DMPolytopeType triT[] = {DM_POLYTOPE_TRIANGLE};
1232: static PetscInt triS[] = {1};
1233: static PetscInt triC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0};
1234: static PetscInt triO[] = {0, 0, 0};
1235: static DMPolytopeType quadT[] = {DM_POLYTOPE_QUADRILATERAL};
1236: static PetscInt quadS[] = {1};
1237: 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};
1238: static PetscInt quadO[] = {0, 0, 0, 0};
1239: static DMPolytopeType tquadT[] = {DM_POLYTOPE_SEG_PRISM_TENSOR};
1240: static PetscInt tquadS[] = {1};
1241: 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};
1242: static PetscInt tquadO[] = {0, 0, 0, 0};
1243: static DMPolytopeType tetT[] = {DM_POLYTOPE_TETRAHEDRON};
1244: static PetscInt tetS[] = {1};
1245: 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};
1246: static PetscInt tetO[] = {0, 0, 0, 0};
1247: static DMPolytopeType hexT[] = {DM_POLYTOPE_HEXAHEDRON};
1248: static PetscInt hexS[] = {1};
1249: 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};
1250: static PetscInt hexO[] = {0, 0, 0, 0, 0, 0};
1251: static DMPolytopeType tripT[] = {DM_POLYTOPE_TRI_PRISM};
1252: static PetscInt tripS[] = {1};
1253: 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};
1254: static PetscInt tripO[] = {0, 0, 0, 0, 0};
1255: static DMPolytopeType ttripT[] = {DM_POLYTOPE_TRI_PRISM_TENSOR};
1256: static PetscInt ttripS[] = {1};
1257: 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};
1258: static PetscInt ttripO[] = {0, 0, 0, 0, 0};
1259: static DMPolytopeType tquadpT[] = {DM_POLYTOPE_QUAD_PRISM_TENSOR};
1260: static PetscInt tquadpS[] = {1};
1261: static PetscInt tquadpC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0,
1262: DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 5, 0};
1263: static PetscInt tquadpO[] = {0, 0, 0, 0, 0, 0};
1264: static DMPolytopeType pyrT[] = {DM_POLYTOPE_PYRAMID};
1265: static PetscInt pyrS[] = {1};
1266: 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};
1267: static PetscInt pyrO[] = {0, 0, 0, 0, 0};
1269: PetscFunctionBegin;
1270: if (rt) *rt = 0;
1271: switch (source) {
1272: case DM_POLYTOPE_POINT:
1273: *Nt = 1;
1274: *target = vertexT;
1275: *size = vertexS;
1276: *cone = vertexC;
1277: *ornt = vertexO;
1278: break;
1279: case DM_POLYTOPE_SEGMENT:
1280: *Nt = 1;
1281: *target = edgeT;
1282: *size = edgeS;
1283: *cone = edgeC;
1284: *ornt = edgeO;
1285: break;
1286: case DM_POLYTOPE_POINT_PRISM_TENSOR:
1287: *Nt = 1;
1288: *target = tedgeT;
1289: *size = tedgeS;
1290: *cone = tedgeC;
1291: *ornt = tedgeO;
1292: break;
1293: case DM_POLYTOPE_TRIANGLE:
1294: *Nt = 1;
1295: *target = triT;
1296: *size = triS;
1297: *cone = triC;
1298: *ornt = triO;
1299: break;
1300: case DM_POLYTOPE_QUADRILATERAL:
1301: *Nt = 1;
1302: *target = quadT;
1303: *size = quadS;
1304: *cone = quadC;
1305: *ornt = quadO;
1306: break;
1307: case DM_POLYTOPE_SEG_PRISM_TENSOR:
1308: *Nt = 1;
1309: *target = tquadT;
1310: *size = tquadS;
1311: *cone = tquadC;
1312: *ornt = tquadO;
1313: break;
1314: case DM_POLYTOPE_TETRAHEDRON:
1315: *Nt = 1;
1316: *target = tetT;
1317: *size = tetS;
1318: *cone = tetC;
1319: *ornt = tetO;
1320: break;
1321: case DM_POLYTOPE_HEXAHEDRON:
1322: *Nt = 1;
1323: *target = hexT;
1324: *size = hexS;
1325: *cone = hexC;
1326: *ornt = hexO;
1327: break;
1328: case DM_POLYTOPE_TRI_PRISM:
1329: *Nt = 1;
1330: *target = tripT;
1331: *size = tripS;
1332: *cone = tripC;
1333: *ornt = tripO;
1334: break;
1335: case DM_POLYTOPE_TRI_PRISM_TENSOR:
1336: *Nt = 1;
1337: *target = ttripT;
1338: *size = ttripS;
1339: *cone = ttripC;
1340: *ornt = ttripO;
1341: break;
1342: case DM_POLYTOPE_QUAD_PRISM_TENSOR:
1343: *Nt = 1;
1344: *target = tquadpT;
1345: *size = tquadpS;
1346: *cone = tquadpC;
1347: *ornt = tquadpO;
1348: break;
1349: case DM_POLYTOPE_PYRAMID:
1350: *Nt = 1;
1351: *target = pyrT;
1352: *size = pyrS;
1353: *cone = pyrC;
1354: *ornt = pyrO;
1355: break;
1356: default:
1357: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
1358: }
1359: PetscFunctionReturn(PETSC_SUCCESS);
1360: }
1362: /*@
1363: DMPlexTransformGetSubcellOrientation - Transform the replica number and orientation for a target point according to the group action for the source point
1365: Not Collective
1367: Input Parameters:
1368: + tr - The `DMPlexTransform`
1369: . sct - The source point cell type, from whom the new cell is being produced
1370: . sp - The source point
1371: . so - The orientation of the source point in its enclosing parent
1372: . tct - The target point cell type
1373: . r - The replica number requested for the produced cell type
1374: - o - The orientation of the replica
1376: Output Parameters:
1377: + rnew - The replica number, given the orientation of the parent
1378: - onew - The replica orientation, given the orientation of the parent
1380: Level: advanced
1382: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformApply()`
1383: @*/
1384: PetscErrorCode DMPlexTransformGetSubcellOrientation(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1385: {
1386: PetscFunctionBeginHot;
1387: PetscUseTypeMethod(tr, getsubcellorientation, sct, sp, so, tct, r, o, rnew, onew);
1388: PetscFunctionReturn(PETSC_SUCCESS);
1389: }
1391: static PetscErrorCode DMPlexTransformSetConeSizes(DMPlexTransform tr, DM rdm)
1392: {
1393: DM dm;
1394: PetscInt pStart, pEnd, pNew;
1396: PetscFunctionBegin;
1397: PetscCall(DMPlexTransformGetDM(tr, &dm));
1398: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1399: /* Must create the celltype label here so that we do not automatically try to compute the types */
1400: PetscCall(DMCreateLabel(rdm, "celltype"));
1401: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1402: for (PetscInt p = pStart; p < pEnd; ++p) {
1403: DMPolytopeType ct;
1404: DMPolytopeType *rct;
1405: PetscInt *rsize, *rcone, *rornt;
1406: PetscInt Nct, n, r;
1408: PetscCall(DMPlexGetCellType(dm, p, &ct));
1409: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1410: for (n = 0; n < Nct; ++n) {
1411: for (r = 0; r < rsize[n]; ++r) {
1412: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1413: PetscCall(DMPlexSetConeSize(rdm, pNew, DMPolytopeTypeGetConeSize(rct[n])));
1414: PetscCall(DMPlexSetCellType(rdm, pNew, rct[n]));
1415: }
1416: }
1417: }
1418: /* Let the DM know we have set all the cell types */
1419: {
1420: DMLabel ctLabel;
1421: DM_Plex *plex = (DM_Plex *)rdm->data;
1423: PetscCall(DMPlexGetCellTypeLabel(rdm, &ctLabel));
1424: PetscCall(PetscObjectStateGet((PetscObject)ctLabel, &plex->celltypeState));
1425: }
1426: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1427: PetscFunctionReturn(PETSC_SUCCESS);
1428: }
1430: PetscErrorCode DMPlexTransformGetConeSize(DMPlexTransform tr, PetscInt q, PetscInt *coneSize)
1431: {
1432: DMPolytopeType ctNew;
1434: PetscFunctionBegin;
1436: PetscAssertPointer(coneSize, 3);
1437: PetscCall(DMPlexTransformGetCellType(tr, q, &ctNew));
1438: *coneSize = DMPolytopeTypeGetConeSize(ctNew);
1439: PetscFunctionReturn(PETSC_SUCCESS);
1440: }
1442: /* The orientation o is for the interior of the cell p */
1443: 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[])
1444: {
1445: DM dm;
1446: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1447: const PetscInt *cone;
1448: DMPolytopeType *newft = NULL;
1449: PetscInt c, coff = *coneoff, ooff = *orntoff;
1450: PetscInt dim, cr = 0, co = 0, nr, no;
1452: PetscFunctionBegin;
1453: PetscCall(DMPlexTransformGetDM(tr, &dm));
1454: PetscCall(DMPlexGetOrientedCone(dm, p, &cone, NULL));
1455: // Check if we have to permute this cell
1456: PetscCall(DMGetDimension(dm, &dim));
1457: if (DMPolytopeTypeGetDim(ctNew) == dim && DMPolytopeTypeGetDim(ct) == dim - 1) {
1458: PetscCall(DMPlexTransformGetSubcellOrientation(tr, ct, p, o, ctNew, cr, co, &nr, &no));
1459: if (cr != nr || co != no) PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newft));
1460: }
1461: for (c = 0; c < csizeNew; ++c) {
1462: PetscInt ppp = -1; /* Parent Parent point: Parent of point pp */
1463: PetscInt pp = p; /* Parent point: Point in the original mesh producing new cone point */
1464: PetscInt po = 0; /* Orientation of parent point pp in parent parent point ppp */
1465: DMPolytopeType pct = ct; /* Parent type: Cell type for parent of new cone point */
1466: const PetscInt *pcone = cone; /* Parent cone: Cone of parent point pp */
1467: PetscInt pr = -1; /* Replica number of pp that produces new cone point */
1468: const DMPolytopeType ft = (DMPolytopeType)rcone[coff++]; /* Cell type for new cone point of pNew */
1469: const PetscInt fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1470: PetscInt fo = rornt[ooff++]; /* Orientation of new cone point in pNew */
1471: PetscInt lc;
1473: /* Get the type (pct) and point number (pp) of the parent point in the original mesh which produces this cone point */
1474: for (lc = 0; lc < fn; ++lc) {
1475: const PetscInt *parr = DMPolytopeTypeGetArrangement(pct, po);
1476: const PetscInt acp = rcone[coff++];
1477: const PetscInt pcp = parr[acp * 2];
1478: const PetscInt pco = parr[acp * 2 + 1];
1479: const PetscInt *ppornt;
1481: ppp = pp;
1482: pp = pcone[pcp];
1483: PetscCall(DMPlexGetCellType(dm, pp, &pct));
1484: // Restore the parent cone from the last iterate
1485: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, ppp, &pcone, NULL));
1486: PetscCall(DMPlexGetOrientedCone(dm, pp, &pcone, NULL));
1487: PetscCall(DMPlexGetOrientedCone(dm, ppp, NULL, &ppornt));
1488: po = DMPolytopeTypeComposeOrientation(pct, ppornt[pcp], pco);
1489: PetscCall(DMPlexRestoreOrientedCone(dm, ppp, NULL, &ppornt));
1490: }
1491: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, pp, &pcone, NULL));
1492: pr = rcone[coff++];
1493: /* Orientation po of pp maps (pr, fo) -> (pr', fo') */
1494: PetscCall(DMPlexTransformGetSubcellOrientation(tr, pct, pp, fn ? po : o, ft, pr, fo, &pr, &fo));
1495: PetscCall(DMPlexTransformGetTargetPoint(tr, pct, ft, pp, pr, &coneNew[c]));
1496: orntNew[c] = fo;
1497: if (newft) newft[c] = ft;
1498: }
1499: PetscCall(DMPlexRestoreOrientedCone(dm, p, &cone, NULL));
1500: if (newft) {
1501: const PetscInt *arr;
1502: PetscInt *newcone, *newornt;
1504: arr = DMPolytopeTypeGetArrangement(ctNew, no);
1505: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1506: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1507: for (PetscInt c = 0; c < csizeNew; ++c) {
1508: DMPolytopeType ft = newft[c];
1509: PetscInt nO;
1511: nO = DMPolytopeTypeGetNumArrangements(ft) / 2;
1512: newcone[c] = coneNew[arr[c * 2 + 0]];
1513: newornt[c] = DMPolytopeTypeComposeOrientation(ft, arr[c * 2 + 1], orntNew[arr[c * 2 + 0]]);
1514: 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]);
1515: }
1516: for (PetscInt c = 0; c < csizeNew; ++c) {
1517: coneNew[c] = newcone[c];
1518: orntNew[c] = newornt[c];
1519: }
1520: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1521: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1522: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newft));
1523: }
1524: *coneoff = coff;
1525: *orntoff = ooff;
1526: PetscFunctionReturn(PETSC_SUCCESS);
1527: }
1529: static PetscErrorCode DMPlexTransformSetCones(DMPlexTransform tr, DM rdm)
1530: {
1531: DM dm;
1532: DMPolytopeType ct;
1533: PetscInt *coneNew, *orntNew;
1534: PetscInt maxConeSize = 0, pStart, pEnd, p, pNew;
1536: PetscFunctionBegin;
1537: PetscCall(DMPlexTransformGetDM(tr, &dm));
1538: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1539: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1540: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1541: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1542: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1543: for (p = pStart; p < pEnd; ++p) {
1544: PetscInt coff, ooff;
1545: DMPolytopeType *rct;
1546: PetscInt *rsize, *rcone, *rornt;
1547: PetscInt Nct, n, r;
1549: PetscCall(DMPlexGetCellType(dm, p, &ct));
1550: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1551: for (n = 0, coff = 0, ooff = 0; n < Nct; ++n) {
1552: const DMPolytopeType ctNew = rct[n];
1554: for (r = 0; r < rsize[n]; ++r) {
1555: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1556: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, ctNew, rcone, &coff, rornt, &ooff, coneNew, orntNew));
1557: PetscCall(DMPlexSetCone(rdm, pNew, coneNew));
1558: PetscCall(DMPlexSetConeOrientation(rdm, pNew, orntNew));
1559: }
1560: }
1561: }
1562: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1563: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1564: PetscCall(DMViewFromOptions(rdm, NULL, "-rdm_view"));
1565: PetscCall(DMPlexSymmetrize(rdm));
1566: PetscCall(DMPlexStratify(rdm));
1567: PetscTryTypeMethod(tr, ordersupports, dm, rdm);
1568: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1569: PetscFunctionReturn(PETSC_SUCCESS);
1570: }
1572: PetscErrorCode DMPlexTransformGetConeOriented(DMPlexTransform tr, PetscInt q, PetscInt po, const PetscInt *cone[], const PetscInt *ornt[])
1573: {
1574: DM dm;
1575: DMPolytopeType ct, qct;
1576: DMPolytopeType *rct;
1577: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1578: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1580: PetscFunctionBegin;
1582: PetscAssertPointer(cone, 4);
1583: PetscAssertPointer(ornt, 5);
1584: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1585: PetscCall(DMPlexTransformGetDM(tr, &dm));
1586: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1587: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1588: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1589: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1590: for (n = 0; n < Nct; ++n) {
1591: const DMPolytopeType ctNew = rct[n];
1592: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1593: PetscInt Nr = rsize[n], fn, c;
1595: if (ctNew == qct) Nr = r;
1596: for (nr = 0; nr < Nr; ++nr) {
1597: for (c = 0; c < csizeNew; ++c) {
1598: ++coff; /* Cell type of new cone point */
1599: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1600: coff += fn;
1601: ++coff; /* Replica number of new cone point */
1602: ++ooff; /* Orientation of new cone point */
1603: }
1604: }
1605: if (ctNew == qct) break;
1606: }
1607: PetscCall(DMPlexTransformGetCone_Internal(tr, p, po, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1608: *cone = qcone;
1609: *ornt = qornt;
1610: PetscFunctionReturn(PETSC_SUCCESS);
1611: }
1613: PetscErrorCode DMPlexTransformGetCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1614: {
1615: DM dm;
1616: DMPolytopeType ct, qct;
1617: DMPolytopeType *rct;
1618: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1619: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1621: PetscFunctionBegin;
1623: if (cone) PetscAssertPointer(cone, 3);
1624: if (ornt) PetscAssertPointer(ornt, 4);
1625: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1626: PetscCall(DMPlexTransformGetDM(tr, &dm));
1627: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1628: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1629: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1630: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1631: for (n = 0; n < Nct; ++n) {
1632: const DMPolytopeType ctNew = rct[n];
1633: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1634: PetscInt Nr = rsize[n], fn, c;
1636: if (ctNew == qct) Nr = r;
1637: for (nr = 0; nr < Nr; ++nr) {
1638: for (c = 0; c < csizeNew; ++c) {
1639: ++coff; /* Cell type of new cone point */
1640: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1641: coff += fn;
1642: ++coff; /* Replica number of new cone point */
1643: ++ooff; /* Orientation of new cone point */
1644: }
1645: }
1646: if (ctNew == qct) break;
1647: }
1648: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1649: if (cone) *cone = qcone;
1650: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1651: if (ornt) *ornt = qornt;
1652: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1653: PetscFunctionReturn(PETSC_SUCCESS);
1654: }
1656: PetscErrorCode DMPlexTransformRestoreCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1657: {
1658: DM dm;
1660: PetscFunctionBegin;
1662: PetscCall(DMPlexTransformGetDM(tr, &dm));
1663: if (cone) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, cone));
1664: if (ornt) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, ornt));
1665: PetscFunctionReturn(PETSC_SUCCESS);
1666: }
1668: static PetscErrorCode DMPlexTransformCreateCellVertices_Internal(DMPlexTransform tr)
1669: {
1670: PetscInt ict;
1672: PetscFunctionBegin;
1673: PetscCall(PetscCalloc3(DM_NUM_POLYTOPES, &tr->trNv, DM_NUM_POLYTOPES, &tr->trVerts, DM_NUM_POLYTOPES, &tr->trSubVerts));
1674: for (ict = DM_POLYTOPE_POINT; ict < DM_NUM_POLYTOPES; ++ict) {
1675: const DMPolytopeType ct = (DMPolytopeType)ict;
1676: DMPlexTransform reftr;
1677: DM refdm, trdm;
1678: Vec coordinates;
1679: const PetscScalar *coords;
1680: DMPolytopeType *rct;
1681: PetscInt *rsize, *rcone, *rornt;
1682: PetscInt Nct, n, r, pNew = 0;
1683: PetscInt trdim, vStart, vEnd, Nc;
1684: const PetscInt debug = 0;
1685: const char *typeName;
1687: /* Since points are 0-dimensional, coordinates make no sense */
1688: if (DMPolytopeTypeGetDim(ct) <= 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE) continue;
1689: PetscCall(DMPlexCreateReferenceCell(PETSC_COMM_SELF, ct, &refdm));
1690: PetscCall(DMPlexTransformCreate(PETSC_COMM_SELF, &reftr));
1691: PetscCall(DMPlexTransformSetDM(reftr, refdm));
1692: PetscCall(DMPlexTransformGetType(tr, &typeName));
1693: PetscCall(DMPlexTransformSetType(reftr, typeName));
1694: PetscCall(DMPlexTransformSetUp(reftr));
1695: PetscCall(DMPlexTransformApply(reftr, refdm, &trdm));
1697: PetscCall(DMGetDimension(trdm, &trdim));
1698: PetscCall(DMPlexGetDepthStratum(trdm, 0, &vStart, &vEnd));
1699: tr->trNv[ct] = vEnd - vStart;
1700: PetscCall(DMGetCoordinatesLocal(trdm, &coordinates));
1701: PetscCall(VecGetLocalSize(coordinates, &Nc));
1702: 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);
1703: PetscCall(PetscCalloc1(Nc, &tr->trVerts[ct]));
1704: PetscCall(VecGetArrayRead(coordinates, &coords));
1705: PetscCall(PetscArraycpy(tr->trVerts[ct], coords, Nc));
1706: PetscCall(VecRestoreArrayRead(coordinates, &coords));
1708: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES, &tr->trSubVerts[ct]));
1709: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1710: for (n = 0; n < Nct; ++n) {
1711: /* Since points are 0-dimensional, coordinates make no sense */
1712: if (rct[n] == DM_POLYTOPE_POINT) continue;
1713: PetscCall(PetscCalloc1(rsize[n], &tr->trSubVerts[ct][rct[n]]));
1714: for (r = 0; r < rsize[n]; ++r) {
1715: PetscInt *closure = NULL;
1716: PetscInt clSize, cl, Nv = 0;
1718: PetscCall(PetscCalloc1(DMPolytopeTypeGetNumVertices(rct[n]), &tr->trSubVerts[ct][rct[n]][r]));
1719: PetscCall(DMPlexTransformGetTargetPoint(reftr, ct, rct[n], 0, r, &pNew));
1720: PetscCall(DMPlexGetTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1721: for (cl = 0; cl < clSize * 2; cl += 2) {
1722: const PetscInt sv = closure[cl];
1724: if ((sv >= vStart) && (sv < vEnd)) tr->trSubVerts[ct][rct[n]][r][Nv++] = sv - vStart;
1725: }
1726: PetscCall(DMPlexRestoreTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1727: 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]);
1728: }
1729: }
1730: if (debug) {
1731: DMPolytopeType *rct;
1732: PetscInt *rsize, *rcone, *rornt;
1733: PetscInt v, dE = trdim, d, off = 0;
1735: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %" PetscInt_FMT " vertices\n", DMPolytopeTypes[ct], tr->trNv[ct]));
1736: for (v = 0; v < tr->trNv[ct]; ++v) {
1737: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1738: for (d = 0; d < dE; ++d) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%g ", (double)PetscRealPart(tr->trVerts[ct][off++])));
1739: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1740: }
1742: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1743: for (n = 0; n < Nct; ++n) {
1744: if (rct[n] == DM_POLYTOPE_POINT) continue;
1745: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %s subvertices %" PetscInt_FMT "\n", DMPolytopeTypes[ct], DMPolytopeTypes[rct[n]], tr->trNv[ct]));
1746: for (r = 0; r < rsize[n]; ++r) {
1747: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1748: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct[n]); ++v) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%" PetscInt_FMT " ", tr->trSubVerts[ct][rct[n]][r][v]));
1749: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1750: }
1751: }
1752: }
1753: PetscCall(DMDestroy(&refdm));
1754: PetscCall(DMDestroy(&trdm));
1755: PetscCall(DMPlexTransformDestroy(&reftr));
1756: }
1757: PetscFunctionReturn(PETSC_SUCCESS);
1758: }
1760: /*@C
1761: DMPlexTransformGetCellVertices - Get the set of transformed vertices lying in the closure of a reference cell of given type
1763: Input Parameters:
1764: + tr - The `DMPlexTransform` object
1765: - ct - The cell type
1767: Output Parameters:
1768: + Nv - The number of transformed vertices in the closure of the reference cell of given type
1769: - trVerts - The coordinates of these vertices in the reference cell
1771: Level: developer
1773: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSubcellVertices()`
1774: @*/
1775: PetscErrorCode DMPlexTransformGetCellVertices(DMPlexTransform tr, DMPolytopeType ct, PetscInt *Nv, PetscScalar *trVerts[])
1776: {
1777: PetscFunctionBegin;
1778: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1779: if (Nv) *Nv = tr->trNv[ct];
1780: if (trVerts) *trVerts = tr->trVerts[ct];
1781: PetscFunctionReturn(PETSC_SUCCESS);
1782: }
1784: /*@C
1785: DMPlexTransformGetSubcellVertices - Get the set of transformed vertices defining a subcell in the reference cell of given type
1787: Input Parameters:
1788: + tr - The `DMPlexTransform` object
1789: . ct - The cell type
1790: . rct - The subcell type
1791: - r - The subcell index
1793: Output Parameter:
1794: . subVerts - The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`
1796: Level: developer
1798: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`
1799: @*/
1800: PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
1801: {
1802: PetscFunctionBegin;
1803: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1804: PetscCheck(tr->trSubVerts[ct][rct], PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONG, "Cell type %s does not produce %s", DMPolytopeTypes[ct], DMPolytopeTypes[rct]);
1805: if (subVerts) *subVerts = tr->trSubVerts[ct][rct][r];
1806: PetscFunctionReturn(PETSC_SUCCESS);
1807: }
1809: /* Computes new vertex as the barycenter, or centroid */
1810: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1811: {
1812: PetscInt v, d;
1814: PetscFunctionBeginHot;
1815: PetscCheck(ct == DM_POLYTOPE_POINT, PETSC_COMM_SELF, PETSC_ERR_SUP, "Not for refined point type %s", DMPolytopeTypes[ct]);
1816: for (d = 0; d < dE; ++d) out[d] = 0.0;
1817: for (v = 0; v < Nv; ++v)
1818: for (d = 0; d < dE; ++d) out[d] += in[v * dE + d];
1819: for (d = 0; d < dE; ++d) out[d] /= Nv;
1820: PetscFunctionReturn(PETSC_SUCCESS);
1821: }
1823: /*@
1824: DMPlexTransformMapCoordinates - Calculate new coordinates for produced points
1826: Not collective
1828: Input Parameters:
1829: + tr - The `DMPlexTransform`
1830: . pct - The cell type of the parent, from whom the new cell is being produced
1831: . ct - The type being produced
1832: . p - The original point
1833: . r - The replica number requested for the produced cell type
1834: . Nv - Number of vertices in the closure of the parent cell
1835: . dE - Spatial dimension
1836: - in - array of size Nv*dE, holding coordinates of the vertices in the closure of the parent cell
1838: Output Parameter:
1839: . out - The coordinates of the new vertices
1841: Level: intermediate
1843: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
1844: @*/
1845: PetscErrorCode DMPlexTransformMapCoordinates(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1846: {
1847: PetscFunctionBeginHot;
1848: if (Nv) PetscUseTypeMethod(tr, mapcoordinates, pct, ct, p, r, Nv, dE, in, out);
1849: PetscFunctionReturn(PETSC_SUCCESS);
1850: }
1852: /*
1853: DMPlexTransformLabelProducedPoint_Private - Label a produced point based on its parent label
1855: Not Collective
1857: Input Parameters:
1858: + tr - The `DMPlexTransform`
1859: . label - The label in the transformed mesh
1860: . pp - The parent point in the original mesh
1861: . pct - The cell type of the parent point
1862: . p - The point in the transformed mesh
1863: . ct - The cell type of the point
1864: . r - The replica number of the point
1865: - val - The label value of the parent point
1867: Level: developer
1869: .seealso: `DMPlexTransformCreateLabels()`, `RefineLabel_Internal()`
1870: */
1871: static PetscErrorCode DMPlexTransformLabelProducedPoint_Private(DMPlexTransform tr, DMLabel label, PetscInt pp, DMPolytopeType pct, PetscInt p, DMPolytopeType ct, PetscInt r, PetscInt val)
1872: {
1873: PetscFunctionBeginHot;
1874: if (tr->labelMatchStrata && pct != ct) PetscFunctionReturn(PETSC_SUCCESS);
1875: PetscCall(DMLabelSetValue(label, p, val + tr->labelReplicaInc * r));
1876: PetscFunctionReturn(PETSC_SUCCESS);
1877: }
1879: static PetscErrorCode RefineLabel_Internal(DMPlexTransform tr, DMLabel label, DMLabel labelNew)
1880: {
1881: DM dm;
1882: IS valueIS;
1883: const PetscInt *values;
1884: PetscInt defVal, Nv, val;
1886: PetscFunctionBegin;
1887: PetscCall(DMPlexTransformGetDM(tr, &dm));
1888: PetscCall(DMLabelGetDefaultValue(label, &defVal));
1889: PetscCall(DMLabelSetDefaultValue(labelNew, defVal));
1890: PetscCall(DMLabelGetValueIS(label, &valueIS));
1891: PetscCall(ISGetLocalSize(valueIS, &Nv));
1892: PetscCall(ISGetIndices(valueIS, &values));
1893: for (val = 0; val < Nv; ++val) {
1894: IS pointIS;
1895: const PetscInt *points;
1896: PetscInt numPoints, p;
1898: /* Ensure refined label is created with same number of strata as
1899: * original (even if no entries here). */
1900: PetscCall(DMLabelAddStratum(labelNew, values[val]));
1901: PetscCall(DMLabelGetStratumIS(label, values[val], &pointIS));
1902: PetscCall(ISGetLocalSize(pointIS, &numPoints));
1903: PetscCall(ISGetIndices(pointIS, &points));
1904: for (p = 0; p < numPoints; ++p) {
1905: const PetscInt point = points[p];
1906: DMPolytopeType ct;
1907: DMPolytopeType *rct;
1908: PetscInt *rsize, *rcone, *rornt;
1909: PetscInt Nct, n, r, pNew = 0;
1911: PetscCall(DMPlexGetCellType(dm, point, &ct));
1912: PetscCall(DMPlexTransformCellTransform(tr, ct, point, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1913: for (n = 0; n < Nct; ++n) {
1914: for (r = 0; r < rsize[n]; ++r) {
1915: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], point, r, &pNew));
1916: PetscCall(DMPlexTransformLabelProducedPoint_Private(tr, labelNew, point, ct, pNew, rct[n], r, values[val]));
1917: }
1918: }
1919: }
1920: PetscCall(ISRestoreIndices(pointIS, &points));
1921: PetscCall(ISDestroy(&pointIS));
1922: }
1923: PetscCall(ISRestoreIndices(valueIS, &values));
1924: PetscCall(ISDestroy(&valueIS));
1925: PetscFunctionReturn(PETSC_SUCCESS);
1926: }
1928: static PetscErrorCode DMPlexTransformCreateLabels(DMPlexTransform tr, DM rdm)
1929: {
1930: DM dm;
1931: PetscInt numLabels, l;
1933: PetscFunctionBegin;
1934: PetscCall(DMPlexTransformGetDM(tr, &dm));
1935: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1936: PetscCall(DMGetNumLabels(dm, &numLabels));
1937: for (l = 0; l < numLabels; ++l) {
1938: DMLabel label, labelNew;
1939: const char *lname;
1940: PetscBool isDepth, isCellType;
1942: PetscCall(DMGetLabelName(dm, l, &lname));
1943: PetscCall(PetscStrcmp(lname, "depth", &isDepth));
1944: if (isDepth) continue;
1945: PetscCall(PetscStrcmp(lname, "celltype", &isCellType));
1946: if (isCellType) continue;
1947: PetscCall(DMCreateLabel(rdm, lname));
1948: PetscCall(DMGetLabel(dm, lname, &label));
1949: PetscCall(DMGetLabel(rdm, lname, &labelNew));
1950: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1951: }
1952: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1953: PetscFunctionReturn(PETSC_SUCCESS);
1954: }
1956: /* This refines the labels which define regions for fields and DSes since they are not in the list of labels for the DM */
1957: PetscErrorCode DMPlexTransformCreateDiscLabels(DMPlexTransform tr, DM rdm)
1958: {
1959: DM dm;
1960: PetscInt Nf, f, Nds, s;
1962: PetscFunctionBegin;
1963: PetscCall(DMPlexTransformGetDM(tr, &dm));
1964: PetscCall(DMGetNumFields(dm, &Nf));
1965: for (f = 0; f < Nf; ++f) {
1966: DMLabel label, labelNew;
1967: PetscObject obj;
1968: const char *lname;
1970: PetscCall(DMGetField(rdm, f, &label, &obj));
1971: if (!label) continue;
1972: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
1973: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
1974: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1975: PetscCall(DMSetField_Internal(rdm, f, labelNew, obj));
1976: PetscCall(DMLabelDestroy(&labelNew));
1977: }
1978: PetscCall(DMGetNumDS(dm, &Nds));
1979: for (s = 0; s < Nds; ++s) {
1980: DMLabel label, labelNew;
1981: const char *lname;
1983: PetscCall(DMGetRegionNumDS(rdm, s, &label, NULL, NULL, NULL));
1984: if (!label) continue;
1985: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
1986: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
1987: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1988: PetscCall(DMSetRegionNumDS(rdm, s, labelNew, NULL, NULL, NULL));
1989: PetscCall(DMLabelDestroy(&labelNew));
1990: }
1991: PetscFunctionReturn(PETSC_SUCCESS);
1992: }
1994: static PetscErrorCode DMPlexTransformCreateSF(DMPlexTransform tr, DM rdm)
1995: {
1996: DM dm;
1997: PetscSF sf, sfNew;
1998: PetscInt numRoots, numLeaves, numLeavesNew = 0, l, m;
1999: const PetscInt *localPoints;
2000: const PetscSFNode *remotePoints;
2001: PetscInt *localPointsNew;
2002: PetscSFNode *remotePointsNew;
2003: PetscInt pStartNew, pEndNew, pNew;
2004: /* Brute force algorithm */
2005: PetscSF rsf;
2006: PetscSection s;
2007: const PetscInt *rootdegree;
2008: PetscInt *rootPointsNew, *remoteOffsets;
2009: PetscInt numPointsNew, pStart, pEnd, p;
2011: PetscFunctionBegin;
2012: PetscCall(DMPlexTransformGetDM(tr, &dm));
2013: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2014: PetscCall(DMPlexGetChart(rdm, &pStartNew, &pEndNew));
2015: PetscCall(DMGetPointSF(dm, &sf));
2016: PetscCall(DMGetPointSF(rdm, &sfNew));
2017: /* Calculate size of new SF */
2018: PetscCall(PetscSFGetGraph(sf, &numRoots, &numLeaves, &localPoints, &remotePoints));
2019: if (numRoots < 0) {
2020: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2021: PetscFunctionReturn(PETSC_SUCCESS);
2022: }
2023: for (l = 0; l < numLeaves; ++l) {
2024: const PetscInt p = localPoints[l];
2025: DMPolytopeType ct;
2026: DMPolytopeType *rct;
2027: PetscInt *rsize, *rcone, *rornt;
2028: PetscInt Nct, n;
2030: PetscCall(DMPlexGetCellType(dm, p, &ct));
2031: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2032: for (n = 0; n < Nct; ++n) numLeavesNew += rsize[n];
2033: }
2034: /* Send new root point numbers
2035: It is possible to optimize for regular transforms by sending only the cell type offsets, but it seems a needless complication
2036: */
2037: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2038: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)dm), &s));
2039: PetscCall(PetscSectionSetChart(s, pStart, pEnd));
2040: for (p = pStart; p < pEnd; ++p) {
2041: DMPolytopeType ct;
2042: DMPolytopeType *rct;
2043: PetscInt *rsize, *rcone, *rornt;
2044: PetscInt Nct, n;
2046: PetscCall(DMPlexGetCellType(dm, p, &ct));
2047: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2048: for (n = 0; n < Nct; ++n) PetscCall(PetscSectionAddDof(s, p, rsize[n]));
2049: }
2050: PetscCall(PetscSectionSetUp(s));
2051: PetscCall(PetscSectionGetStorageSize(s, &numPointsNew));
2052: PetscCall(PetscSFCreateRemoteOffsets(sf, s, s, &remoteOffsets));
2053: PetscCall(PetscSFCreateSectionSF(sf, s, remoteOffsets, s, &rsf));
2054: PetscCall(PetscFree(remoteOffsets));
2055: PetscCall(PetscSFComputeDegreeBegin(sf, &rootdegree));
2056: PetscCall(PetscSFComputeDegreeEnd(sf, &rootdegree));
2057: PetscCall(PetscMalloc1(numPointsNew, &rootPointsNew));
2058: for (p = 0; p < numPointsNew; ++p) rootPointsNew[p] = -1;
2059: for (p = pStart; p < pEnd; ++p) {
2060: DMPolytopeType ct;
2061: DMPolytopeType *rct;
2062: PetscInt *rsize, *rcone, *rornt;
2063: PetscInt Nct, n, r, off;
2065: if (!rootdegree[p - pStart]) continue;
2066: PetscCall(PetscSectionGetOffset(s, p, &off));
2067: PetscCall(DMPlexGetCellType(dm, p, &ct));
2068: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2069: for (n = 0, m = 0; n < Nct; ++n) {
2070: for (r = 0; r < rsize[n]; ++r, ++m) {
2071: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2072: rootPointsNew[off + m] = pNew;
2073: }
2074: }
2075: }
2076: PetscCall(PetscSFBcastBegin(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2077: PetscCall(PetscSFBcastEnd(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2078: PetscCall(PetscSFDestroy(&rsf));
2079: PetscCall(PetscMalloc1(numLeavesNew, &localPointsNew));
2080: PetscCall(PetscMalloc1(numLeavesNew, &remotePointsNew));
2081: for (l = 0, m = 0; l < numLeaves; ++l) {
2082: const PetscInt p = localPoints[l];
2083: DMPolytopeType ct;
2084: DMPolytopeType *rct;
2085: PetscInt *rsize, *rcone, *rornt;
2086: PetscInt Nct, n, r, q, off;
2088: PetscCall(PetscSectionGetOffset(s, p, &off));
2089: PetscCall(DMPlexGetCellType(dm, p, &ct));
2090: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2091: for (n = 0, q = 0; n < Nct; ++n) {
2092: for (r = 0; r < rsize[n]; ++r, ++m, ++q) {
2093: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2094: localPointsNew[m] = pNew;
2095: remotePointsNew[m].index = rootPointsNew[off + q];
2096: remotePointsNew[m].rank = remotePoints[l].rank;
2097: }
2098: }
2099: }
2100: PetscCall(PetscSectionDestroy(&s));
2101: PetscCall(PetscFree(rootPointsNew));
2102: /* SF needs sorted leaves to correctly calculate Gather */
2103: {
2104: PetscSFNode *rp, *rtmp;
2105: PetscInt *lp, *idx, *ltmp, i;
2107: PetscCall(PetscMalloc1(numLeavesNew, &idx));
2108: PetscCall(PetscMalloc1(numLeavesNew, &lp));
2109: PetscCall(PetscMalloc1(numLeavesNew, &rp));
2110: for (i = 0; i < numLeavesNew; ++i) {
2111: 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);
2112: idx[i] = i;
2113: }
2114: PetscCall(PetscSortIntWithPermutation(numLeavesNew, localPointsNew, idx));
2115: for (i = 0; i < numLeavesNew; ++i) {
2116: lp[i] = localPointsNew[idx[i]];
2117: rp[i] = remotePointsNew[idx[i]];
2118: }
2119: ltmp = localPointsNew;
2120: localPointsNew = lp;
2121: rtmp = remotePointsNew;
2122: remotePointsNew = rp;
2123: PetscCall(PetscFree(idx));
2124: PetscCall(PetscFree(ltmp));
2125: PetscCall(PetscFree(rtmp));
2126: }
2127: PetscCall(PetscSFSetGraph(sfNew, pEndNew - pStartNew, numLeavesNew, localPointsNew, PETSC_OWN_POINTER, remotePointsNew, PETSC_OWN_POINTER));
2128: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2129: PetscFunctionReturn(PETSC_SUCCESS);
2130: }
2132: /*
2133: DMPlexCellRefinerMapLocalizedCoordinates - Given a cell of `DMPolytopeType` `ct` with localized coordinates `x`, generate localized coordinates `xr` for subcell `r` of type `rct`.
2135: Not Collective
2137: Input Parameters:
2138: + tr - The `DMPlexTransform`
2139: . ct - The type of the parent cell
2140: . rct - The type of the produced cell
2141: . r - The index of the produced cell
2142: - x - The localized coordinates for the parent cell
2144: Output Parameter:
2145: . xr - The localized coordinates for the produced cell
2147: Level: developer
2149: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexCellRefinerSetCoordinates()`
2150: */
2151: static PetscErrorCode DMPlexTransformMapLocalizedCoordinates(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, const PetscScalar x[], PetscScalar xr[])
2152: {
2153: PetscFE fe = NULL;
2154: PetscInt cdim, v, *subcellV;
2156: PetscFunctionBegin;
2157: PetscCall(DMPlexTransformGetCoordinateFE(tr, ct, &fe));
2158: PetscCall(DMPlexTransformGetSubcellVertices(tr, ct, rct, r, &subcellV));
2159: PetscCall(PetscFEGetNumComponents(fe, &cdim));
2160: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct); ++v) PetscCall(PetscFEInterpolate_Static(fe, x, tr->refGeom[ct], subcellV[v], &xr[v * cdim]));
2161: PetscFunctionReturn(PETSC_SUCCESS);
2162: }
2164: static PetscErrorCode DMPlexTransformSetCoordinates(DMPlexTransform tr, DM rdm)
2165: {
2166: DM dm, cdm, cdmCell, cdmNew, cdmCellNew;
2167: PetscSection coordSection, coordSectionNew, coordSectionCell, coordSectionCellNew;
2168: Vec coordsLocal, coordsLocalNew, coordsLocalCell = NULL, coordsLocalCellNew;
2169: const PetscScalar *coords;
2170: PetscScalar *coordsNew;
2171: const PetscReal *maxCell, *Lstart, *L;
2172: PetscBool localized, localizeVertices = PETSC_FALSE, localizeCells = PETSC_FALSE, sparseLocalize;
2173: PetscInt dE, dEo, d, cStart, cEnd, c, cStartNew, cEndNew, vStartNew, vEndNew, v, pStart, pEnd, p;
2175: PetscFunctionBegin;
2176: // Need to clear the DMField for coordinates
2177: PetscCall(DMSetCoordinateField(rdm, NULL));
2178: PetscCall(DMPlexTransformGetDM(tr, &dm));
2179: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2180: PetscCall(DMGetCoordinateDM(dm, &cdm));
2181: PetscCall(DMGetCellCoordinateDM(dm, &cdmCell));
2182: PetscCall(DMGetCoordinatesLocalized(dm, &localized));
2183: PetscCall(DMGetSparseLocalize(dm, &sparseLocalize));
2184: PetscCall(DMSetSparseLocalize(rdm, sparseLocalize));
2185: PetscCall(DMGetPeriodicity(dm, &maxCell, &Lstart, &L));
2186: if (localized) {
2187: /* Localize coordinates of new vertices */
2188: localizeVertices = PETSC_TRUE;
2189: /* If we do not have a mechanism for automatically localizing cell coordinates, we need to compute them explicitly for every divided cell */
2190: if (!maxCell) localizeCells = PETSC_TRUE;
2191: }
2192: PetscCall(DMGetCoordinateSection(dm, &coordSection));
2193: PetscCall(PetscSectionGetFieldComponents(coordSection, 0, &dEo));
2194: PetscCall(DMGetCoordinateDim(rdm, &dE));
2195: if (maxCell) {
2196: PetscReal *LstartNew, *LNew, *maxCellNew;
2198: PetscCall(PetscMalloc3(dE, &LstartNew, dE, &LNew, dE, &maxCellNew));
2199: for (d = 0; d < dEo; ++d) {
2200: LstartNew[d] = Lstart[d];
2201: LNew[d] = L[d];
2202: maxCellNew[d] = maxCell[d] / tr->redFactor;
2203: }
2204: for (d = dEo; d < dE; ++d) {
2205: LstartNew[d] = 0.;
2206: LNew[d] = -1.;
2207: maxCellNew[d] = -1.;
2208: }
2209: PetscCall(DMSetPeriodicity(rdm, maxCellNew, LstartNew, LNew));
2210: PetscCall(PetscFree3(LstartNew, LNew, maxCellNew));
2211: }
2212: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionNew));
2213: PetscCall(PetscSectionSetNumFields(coordSectionNew, 1));
2214: PetscCall(PetscSectionSetFieldComponents(coordSectionNew, 0, dE));
2215: PetscCall(DMPlexGetDepthStratum(rdm, 0, &vStartNew, &vEndNew));
2216: PetscCall(PetscSectionSetChart(coordSectionNew, vStartNew, vEndNew));
2217: /* Localization should be inherited */
2218: /* Stefano calculates parent cells for each new cell for localization */
2219: /* Localized cells need coordinates of closure */
2220: for (v = vStartNew; v < vEndNew; ++v) {
2221: PetscCall(PetscSectionSetDof(coordSectionNew, v, dE));
2222: PetscCall(PetscSectionSetFieldDof(coordSectionNew, v, 0, dE));
2223: }
2224: PetscCall(PetscSectionSetUp(coordSectionNew));
2225: PetscCall(DMSetCoordinateSection(rdm, PETSC_DETERMINE, coordSectionNew));
2227: if (localizeCells) {
2228: PetscCall(DMGetCoordinateDM(rdm, &cdmNew));
2229: PetscCall(DMClone(cdmNew, &cdmCellNew));
2230: PetscCall(DMSetCellCoordinateDM(rdm, cdmCellNew));
2231: PetscCall(DMDestroy(&cdmCellNew));
2233: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionCellNew));
2234: PetscCall(PetscSectionSetNumFields(coordSectionCellNew, 1));
2235: PetscCall(PetscSectionSetFieldComponents(coordSectionCellNew, 0, dE));
2236: PetscCall(DMPlexGetHeightStratum(rdm, 0, &cStartNew, &cEndNew));
2237: PetscCall(PetscSectionSetChart(coordSectionCellNew, cStartNew, cEndNew));
2239: PetscCall(DMGetCellCoordinateSection(dm, &coordSectionCell));
2240: PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
2241: for (c = cStart; c < cEnd; ++c) {
2242: PetscInt dof;
2244: PetscCall(PetscSectionGetDof(coordSectionCell, c, &dof));
2245: if (dof) {
2246: DMPolytopeType ct;
2247: DMPolytopeType *rct;
2248: PetscInt *rsize, *rcone, *rornt;
2249: PetscInt dim, cNew, Nct, n, r;
2251: PetscCall(DMPlexGetCellType(dm, c, &ct));
2252: dim = DMPolytopeTypeGetDim(ct);
2253: PetscCall(DMPlexTransformCellTransform(tr, ct, c, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2254: /* This allows for different cell types */
2255: for (n = 0; n < Nct; ++n) {
2256: if (dim != DMPolytopeTypeGetDim(rct[n])) continue;
2257: for (r = 0; r < rsize[n]; ++r) {
2258: PetscInt *closure = NULL;
2259: PetscInt clSize, cl, Nv = 0;
2261: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], c, r, &cNew));
2262: PetscCall(DMPlexGetTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2263: for (cl = 0; cl < clSize * 2; cl += 2) {
2264: if ((closure[cl] >= vStartNew) && (closure[cl] < vEndNew)) ++Nv;
2265: }
2266: PetscCall(DMPlexRestoreTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2267: PetscCall(PetscSectionSetDof(coordSectionCellNew, cNew, Nv * dE));
2268: PetscCall(PetscSectionSetFieldDof(coordSectionCellNew, cNew, 0, Nv * dE));
2269: }
2270: }
2271: }
2272: }
2273: PetscCall(PetscSectionSetUp(coordSectionCellNew));
2274: PetscCall(DMSetCellCoordinateSection(rdm, PETSC_DETERMINE, coordSectionCellNew));
2275: }
2276: PetscCall(DMViewFromOptions(dm, NULL, "-coarse_dm_view"));
2277: {
2278: VecType vtype;
2279: PetscInt coordSizeNew, bs;
2280: const char *name;
2282: PetscCall(DMGetCoordinatesLocal(dm, &coordsLocal));
2283: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalNew));
2284: PetscCall(PetscSectionGetStorageSize(coordSectionNew, &coordSizeNew));
2285: PetscCall(VecSetSizes(coordsLocalNew, coordSizeNew, PETSC_DETERMINE));
2286: PetscCall(PetscObjectGetName((PetscObject)coordsLocal, &name));
2287: PetscCall(PetscObjectSetName((PetscObject)coordsLocalNew, name));
2288: PetscCall(VecGetBlockSize(coordsLocal, &bs));
2289: PetscCall(VecSetBlockSize(coordsLocalNew, dEo == dE ? bs : dE));
2290: PetscCall(VecGetType(coordsLocal, &vtype));
2291: PetscCall(VecSetType(coordsLocalNew, vtype));
2292: }
2293: PetscCall(VecGetArrayRead(coordsLocal, &coords));
2294: PetscCall(VecGetArray(coordsLocalNew, &coordsNew));
2295: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2296: /* First set coordinates for vertices */
2297: for (p = pStart; p < pEnd; ++p) {
2298: DMPolytopeType ct;
2299: DMPolytopeType *rct;
2300: PetscInt *rsize, *rcone, *rornt;
2301: PetscInt Nct, n, r;
2302: PetscBool hasVertex = PETSC_FALSE;
2304: PetscCall(DMPlexGetCellType(dm, p, &ct));
2305: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2306: for (n = 0; n < Nct; ++n) {
2307: if (rct[n] == DM_POLYTOPE_POINT) {
2308: hasVertex = PETSC_TRUE;
2309: break;
2310: }
2311: }
2312: if (hasVertex) {
2313: const PetscScalar *icoords = NULL;
2314: const PetscScalar *array = NULL;
2315: PetscScalar *pcoords = NULL;
2316: PetscBool isDG;
2317: PetscInt Nc, Nv, v, d;
2319: PetscCall(DMPlexGetCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2321: icoords = pcoords;
2322: Nv = Nc / dEo;
2323: if (ct != DM_POLYTOPE_POINT) {
2324: if (localizeVertices && maxCell) {
2325: PetscScalar anchor[3];
2327: for (d = 0; d < dEo; ++d) anchor[d] = pcoords[d];
2328: for (v = 0; v < Nv; ++v) PetscCall(DMLocalizeCoordinate_Internal(dm, dEo, anchor, &pcoords[v * dEo], &pcoords[v * dEo]));
2329: }
2330: }
2331: for (n = 0; n < Nct; ++n) {
2332: if (rct[n] != DM_POLYTOPE_POINT) continue;
2333: for (r = 0; r < rsize[n]; ++r) {
2334: PetscScalar vcoords[3];
2335: PetscInt vNew, off;
2337: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &vNew));
2338: PetscCall(PetscSectionGetOffset(coordSectionNew, vNew, &off));
2339: PetscCall(DMPlexTransformMapCoordinates(tr, ct, rct[n], p, r, Nv, dEo, icoords, vcoords));
2340: PetscCall(DMSnapToGeomModel(dm, p, dE, vcoords, &coordsNew[off]));
2341: }
2342: }
2343: PetscCall(DMPlexRestoreCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2344: }
2345: }
2346: PetscCall(VecRestoreArrayRead(coordsLocal, &coords));
2347: PetscCall(VecRestoreArray(coordsLocalNew, &coordsNew));
2348: PetscCall(DMSetCoordinatesLocal(rdm, coordsLocalNew));
2349: PetscCall(VecDestroy(&coordsLocalNew));
2350: PetscCall(PetscSectionDestroy(&coordSectionNew));
2351: /* Then set coordinates for cells by localizing */
2352: if (!localizeCells) PetscCall(DMLocalizeCoordinates(rdm));
2353: else {
2354: VecType vtype;
2355: PetscInt coordSizeNew, bs;
2356: const char *name;
2358: PetscCall(DMGetCellCoordinatesLocal(dm, &coordsLocalCell));
2359: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalCellNew));
2360: PetscCall(PetscSectionGetStorageSize(coordSectionCellNew, &coordSizeNew));
2361: PetscCall(VecSetSizes(coordsLocalCellNew, coordSizeNew, PETSC_DETERMINE));
2362: PetscCall(PetscObjectGetName((PetscObject)coordsLocalCell, &name));
2363: PetscCall(PetscObjectSetName((PetscObject)coordsLocalCellNew, name));
2364: PetscCall(VecGetBlockSize(coordsLocalCell, &bs));
2365: PetscCall(VecSetBlockSize(coordsLocalCellNew, dEo == dE ? bs : dE));
2366: PetscCall(VecGetType(coordsLocalCell, &vtype));
2367: PetscCall(VecSetType(coordsLocalCellNew, vtype));
2368: PetscCall(VecGetArrayRead(coordsLocalCell, &coords));
2369: PetscCall(VecGetArray(coordsLocalCellNew, &coordsNew));
2371: for (p = pStart; p < pEnd; ++p) {
2372: DMPolytopeType ct;
2373: DMPolytopeType *rct;
2374: PetscInt *rsize, *rcone, *rornt;
2375: PetscInt dof = 0, Nct, n, r;
2377: PetscCall(DMPlexGetCellType(dm, p, &ct));
2378: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2379: if (p >= cStart && p < cEnd) PetscCall(PetscSectionGetDof(coordSectionCell, p, &dof));
2380: if (dof) {
2381: const PetscScalar *pcoords;
2383: PetscCall(DMPlexPointLocalRead(cdmCell, p, coords, &pcoords));
2384: for (n = 0; n < Nct; ++n) {
2385: const PetscInt Nr = rsize[n];
2387: if (DMPolytopeTypeGetDim(ct) != DMPolytopeTypeGetDim(rct[n])) continue;
2388: for (r = 0; r < Nr; ++r) {
2389: PetscInt pNew, offNew;
2391: /* It looks like Stefano and Lisandro are allowing localized coordinates without defining the periodic boundary, which means that
2392: DMLocalizeCoordinate_Internal() will not work. Localized coordinates will have to have obtained by the affine map of the larger
2393: cell to the ones it produces. */
2394: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2395: PetscCall(PetscSectionGetOffset(coordSectionCellNew, pNew, &offNew));
2396: PetscCall(DMPlexTransformMapLocalizedCoordinates(tr, ct, rct[n], r, pcoords, &coordsNew[offNew]));
2397: }
2398: }
2399: }
2400: }
2401: PetscCall(VecRestoreArrayRead(coordsLocalCell, &coords));
2402: PetscCall(VecRestoreArray(coordsLocalCellNew, &coordsNew));
2403: PetscCall(DMSetCellCoordinatesLocal(rdm, coordsLocalCellNew));
2404: PetscCall(VecDestroy(&coordsLocalCellNew));
2405: PetscCall(PetscSectionDestroy(&coordSectionCellNew));
2406: }
2407: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2408: PetscFunctionReturn(PETSC_SUCCESS);
2409: }
2411: /*@
2412: DMPlexTransformApply - Execute the transformation, producing another `DM`
2414: Collective
2416: Input Parameters:
2417: + tr - The `DMPlexTransform` object
2418: - dm - The original `DM`
2420: Output Parameter:
2421: . trdm - The transformed `DM`
2423: Level: intermediate
2425: Options Database Keys:
2426: + -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
2427: . -dm_plex_transform_label_replica_inc num - Increment for the label value to be multiplied by the replica number
2428: - -dm_plex_transform_active name - Name for active mesh label
2430: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformCreate()`, `DMPlexTransformSetDM()`
2431: @*/
2432: PetscErrorCode DMPlexTransformApply(DMPlexTransform tr, DM dm, DM *trdm)
2433: {
2434: DM rdm;
2435: DMPlexInterpolatedFlag interp;
2436: PetscInt pStart, pEnd;
2438: PetscFunctionBegin;
2441: PetscAssertPointer(trdm, 3);
2442: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2443: PetscCall(DMPlexTransformSetDM(tr, dm));
2445: PetscCall(DMCreate(PetscObjectComm((PetscObject)dm), &rdm));
2446: PetscCall(DMSetType(rdm, DMPLEX));
2447: PetscCall(DMPlexTransformSetDimensions(tr, dm, rdm));
2448: /* Calculate number of new points of each depth */
2449: PetscCall(DMPlexIsInterpolatedCollective(dm, &interp));
2450: PetscCheck(interp == DMPLEX_INTERPOLATED_FULL, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be fully interpolated for regular refinement");
2451: /* Step 1: Set chart */
2452: PetscCall(DMPlexTransformGetChart(tr, &pStart, &pEnd));
2453: PetscCall(DMPlexSetChart(rdm, pStart, pEnd));
2454: /* Step 2: Set cone/support sizes (automatically stratifies) */
2455: PetscCall(DMPlexTransformSetConeSizes(tr, rdm));
2456: /* Step 3: Setup refined DM */
2457: PetscCall(DMSetUp(rdm));
2458: /* Step 4: Set cones and supports (automatically symmetrizes) */
2459: PetscCall(DMPlexTransformSetCones(tr, rdm));
2460: /* Step 5: Create pointSF */
2461: PetscCall(DMPlexTransformCreateSF(tr, rdm));
2462: /* Step 6: Create labels */
2463: PetscCall(DMPlexTransformCreateLabels(tr, rdm));
2464: /* Step 7: Set coordinates */
2465: PetscCall(DMPlexTransformSetCoordinates(tr, rdm));
2466: // Do not copy periodicity, which was handled in DMPlexTransformSetCoordinates()
2467: PetscCall(DMPlexCopy_Internal(dm, PETSC_FALSE, PETSC_TRUE, rdm));
2468: // If the original DM was configured from options, the transformed DM should be as well
2469: rdm->setfromoptionscalled = dm->setfromoptionscalled;
2470: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2471: *trdm = rdm;
2472: PetscFunctionReturn(PETSC_SUCCESS);
2473: }
2475: PetscErrorCode DMPlexTransformAdaptLabel(DM dm, PETSC_UNUSED Vec metric, DMLabel adaptLabel, PETSC_UNUSED DMLabel rgLabel, DM *rdm)
2476: {
2477: DMPlexTransform tr;
2478: DM cdm, rcdm;
2479: const char *prefix;
2480: PetscBool save;
2482: PetscFunctionBegin;
2483: PetscCall(DMPlexTransformCreate(PetscObjectComm((PetscObject)dm), &tr));
2484: PetscCall(PetscObjectSetName((PetscObject)tr, "Adapt Label Transform"));
2485: PetscCall(PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix));
2486: PetscCall(PetscObjectSetOptionsPrefix((PetscObject)tr, prefix));
2487: PetscCall(DMPlexTransformSetDM(tr, dm));
2488: PetscCall(DMPlexTransformSetFromOptions(tr));
2489: if (adaptLabel) PetscCall(DMPlexTransformSetActive(tr, adaptLabel));
2490: PetscCall(DMPlexTransformSetUp(tr));
2491: PetscCall(PetscObjectViewFromOptions((PetscObject)tr, NULL, "-dm_plex_transform_view"));
2492: PetscCall(DMPlexTransformApply(tr, dm, rdm));
2493: PetscCall(DMCopyDisc(dm, *rdm));
2494: PetscCall(DMGetCoordinateDM(dm, &cdm));
2495: PetscCall(DMGetCoordinateDM(*rdm, &rcdm));
2496: PetscCall(DMCopyDisc(cdm, rcdm));
2497: PetscCall(DMPlexTransformCreateDiscLabels(tr, *rdm));
2498: PetscCall(DMCopyDisc(dm, *rdm));
2499: PetscCall(DMPlexGetSaveTransform(dm, &save));
2500: if (save) PetscCall(DMPlexSetTransform(*rdm, tr));
2501: PetscCall(DMPlexTransformDestroy(&tr));
2502: ((DM_Plex *)(*rdm)->data)->useHashLocation = ((DM_Plex *)dm->data)->useHashLocation;
2503: PetscFunctionReturn(PETSC_SUCCESS);
2504: }