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;
717: if (dm) {
719: PetscCall(PetscObjectReference((PetscObject)dm));
720: }
721: PetscCall(DMDestroy(&tr->dm));
722: tr->dm = dm;
723: PetscFunctionReturn(PETSC_SUCCESS);
724: }
726: /*@
727: DMPlexTransformGetActive - Get the `DMLabel` marking the active points for the transform
729: Input Parameter:
730: . tr - The `DMPlexTransform` object
732: Output Parameter:
733: . active - The `DMLabel` indicating which points will be transformed
735: Level: intermediate
737: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
738: @*/
739: PetscErrorCode DMPlexTransformGetActive(DMPlexTransform tr, DMLabel *active)
740: {
741: PetscFunctionBegin;
743: PetscAssertPointer(active, 2);
744: *active = tr->active;
745: PetscFunctionReturn(PETSC_SUCCESS);
746: }
748: /*@
749: DMPlexTransformSetActive - Set the `DMLabel` marking the active points for the transform
751: Input Parameters:
752: + tr - The `DMPlexTransform` object
753: - active - The `DMLabel` indicating which points will be transformed
755: Level: intermediate
757: Note:
758: This only applies to transforms listed in [](plex_transform_table) that operate on a subset of the mesh.
760: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
761: @*/
762: PetscErrorCode DMPlexTransformSetActive(DMPlexTransform tr, DMLabel active)
763: {
764: PetscFunctionBegin;
767: PetscCall(PetscObjectReference((PetscObject)active));
768: PetscCall(DMLabelDestroy(&tr->active));
769: tr->active = active;
770: PetscFunctionReturn(PETSC_SUCCESS);
771: }
773: /*@
774: DMPlexTransformGetTransformTypes - Get the `DMLabel` marking the transform type of each point for the transform
776: Input Parameter:
777: . tr - The `DMPlexTransform` object
779: Output Parameter:
780: . trType - The `DMLabel` indicating the transform type for each point
782: Level: intermediate
784: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexSetTransformType()`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
785: @*/
786: PetscErrorCode DMPlexTransformGetTransformTypes(DMPlexTransform tr, DMLabel *trType)
787: {
788: PetscFunctionBegin;
790: PetscAssertPointer(trType, 2);
791: *trType = tr->trType;
792: PetscFunctionReturn(PETSC_SUCCESS);
793: }
795: /*@
796: DMPlexTransformSetTransformTypes - Set the `DMLabel` marking the transform type of each point for the transform
798: Input Parameters:
799: + tr - The `DMPlexTransform` object
800: - trType - The original `DM` which will be transformed
802: Level: intermediate
804: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetTransformTypes()`, `DMPlexTransformGetActive())`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
805: @*/
806: PetscErrorCode DMPlexTransformSetTransformTypes(DMPlexTransform tr, DMLabel trType)
807: {
808: PetscFunctionBegin;
811: PetscCall(PetscObjectReference((PetscObject)trType));
812: PetscCall(DMLabelDestroy(&tr->trType));
813: tr->trType = trType;
814: PetscFunctionReturn(PETSC_SUCCESS);
815: }
817: static PetscErrorCode DMPlexTransformGetCoordinateFE(DMPlexTransform tr, DMPolytopeType ct, PetscFE *fe)
818: {
819: PetscFunctionBegin;
820: if (!tr->coordFE[ct]) {
821: PetscInt dim, cdim;
823: dim = DMPolytopeTypeGetDim(ct);
824: PetscCall(DMGetCoordinateDim(tr->dm, &cdim));
825: PetscCall(PetscFECreateLagrangeByCell(PETSC_COMM_SELF, dim, cdim, ct, 1, PETSC_DETERMINE, &tr->coordFE[ct]));
826: {
827: PetscDualSpace dsp;
828: PetscQuadrature quad;
829: DM K;
830: PetscFEGeom *cg;
831: PetscScalar *Xq;
832: PetscReal *xq, *wq;
833: PetscInt Nq, q;
835: PetscCall(DMPlexTransformGetCellVertices(tr, ct, &Nq, &Xq));
836: PetscCall(PetscMalloc1(Nq * cdim, &xq));
837: for (q = 0; q < Nq * cdim; ++q) xq[q] = PetscRealPart(Xq[q]);
838: PetscCall(PetscMalloc1(Nq, &wq));
839: for (q = 0; q < Nq; ++q) wq[q] = 1.0;
840: PetscCall(PetscQuadratureCreate(PETSC_COMM_SELF, &quad));
841: PetscCall(PetscQuadratureSetData(quad, dim, 1, Nq, xq, wq));
842: PetscCall(PetscFESetQuadrature(tr->coordFE[ct], quad));
844: PetscCall(PetscFEGetDualSpace(tr->coordFE[ct], &dsp));
845: PetscCall(PetscDualSpaceGetDM(dsp, &K));
846: PetscCall(PetscFEGeomCreate(quad, 1, cdim, PETSC_FEGEOM_BASIC, &tr->refGeom[ct]));
847: cg = tr->refGeom[ct];
848: PetscCall(DMPlexComputeCellGeometryFEM(K, 0, NULL, cg->v, cg->J, cg->invJ, cg->detJ));
849: PetscCall(PetscQuadratureDestroy(&quad));
850: }
851: }
852: *fe = tr->coordFE[ct];
853: PetscFunctionReturn(PETSC_SUCCESS);
854: }
856: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform tr, DM dm, DM tdm)
857: {
858: PetscInt dim, cdim;
860: PetscFunctionBegin;
861: PetscCall(DMGetDimension(dm, &dim));
862: PetscCall(DMSetDimension(tdm, dim));
863: PetscCall(DMGetCoordinateDim(dm, &cdim));
864: PetscCall(DMSetCoordinateDim(tdm, cdim));
865: PetscFunctionReturn(PETSC_SUCCESS);
866: }
868: /*@
869: DMPlexTransformSetDimensions - Set the dimensions for the transformed `DM`
871: Input Parameters:
872: + tr - The `DMPlexTransform` object
873: - dm - The original `DM`
875: Output Parameter:
876: . trdm - The transformed `DM`
878: Level: advanced
880: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
881: @*/
882: PetscErrorCode DMPlexTransformSetDimensions(DMPlexTransform tr, DM dm, DM trdm)
883: {
884: PetscFunctionBegin;
885: PetscUseTypeMethod(tr, setdimensions, dm, trdm);
886: PetscFunctionReturn(PETSC_SUCCESS);
887: }
889: PetscErrorCode DMPlexTransformGetChart(DMPlexTransform tr, PetscInt *pStart, PetscInt *pEnd)
890: {
891: PetscFunctionBegin;
892: if (pStart) *pStart = 0;
893: if (pEnd) *pEnd = tr->ctStartNew[tr->ctOrderNew[DM_NUM_POLYTOPES]];
894: PetscFunctionReturn(PETSC_SUCCESS);
895: }
897: PetscErrorCode DMPlexTransformGetCellType(DMPlexTransform tr, PetscInt cell, DMPolytopeType *celltype)
898: {
899: PetscInt ctNew;
901: PetscFunctionBegin;
903: PetscAssertPointer(celltype, 3);
904: /* TODO Can do bisection since everything is sorted */
905: for (ctNew = DM_POLYTOPE_POINT; ctNew < DM_NUM_POLYTOPES; ++ctNew) {
906: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
908: if (cell >= ctSN && cell < ctEN) break;
909: }
910: PetscCheck(ctNew < DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point %" PetscInt_FMT " cannot be located in the transformed mesh", cell);
911: *celltype = (DMPolytopeType)ctNew;
912: PetscFunctionReturn(PETSC_SUCCESS);
913: }
915: PetscErrorCode DMPlexTransformGetCellTypeStratum(DMPlexTransform tr, DMPolytopeType celltype, PetscInt *start, PetscInt *end)
916: {
917: PetscFunctionBegin;
919: if (start) *start = tr->ctStartNew[celltype];
920: if (end) *end = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[celltype] + 1]];
921: PetscFunctionReturn(PETSC_SUCCESS);
922: }
924: PetscErrorCode DMPlexTransformGetDepth(DMPlexTransform tr, PetscInt *depth)
925: {
926: PetscFunctionBegin;
928: *depth = tr->depth;
929: PetscFunctionReturn(PETSC_SUCCESS);
930: }
932: PetscErrorCode DMPlexTransformGetDepthStratum(DMPlexTransform tr, PetscInt depth, PetscInt *start, PetscInt *end)
933: {
934: PetscFunctionBegin;
936: if (start) *start = tr->depthStart[depth];
937: if (end) *end = tr->depthEnd[depth];
938: PetscFunctionReturn(PETSC_SUCCESS);
939: }
941: /*@
942: DMPlexTransformGetMatchStrata - Get the flag which determines what points get added to the transformed labels
944: Not Collective
946: Input Parameter:
947: . tr - The `DMPlexTransform`
949: Output Parameter:
950: . match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
952: Level: intermediate
954: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetMatchStrata()`, `DMPlexGetPointDepth()`
955: @*/
956: PetscErrorCode DMPlexTransformGetMatchStrata(DMPlexTransform tr, PetscBool *match)
957: {
958: PetscFunctionBegin;
960: PetscAssertPointer(match, 2);
961: *match = tr->labelMatchStrata;
962: PetscFunctionReturn(PETSC_SUCCESS);
963: }
965: /*@
966: DMPlexTransformSetMatchStrata - Set the flag which determines what points get added to the transformed labels
968: Not Collective
970: Input Parameters:
971: + tr - The `DMPlexTransform`
972: - match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
974: Level: intermediate
976: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetMatchStrata()`, `DMPlexGetPointDepth()`
977: @*/
978: PetscErrorCode DMPlexTransformSetMatchStrata(DMPlexTransform tr, PetscBool match)
979: {
980: PetscFunctionBegin;
982: tr->labelMatchStrata = match;
983: PetscFunctionReturn(PETSC_SUCCESS);
984: }
986: /*@
987: DMPlexTransformCheck - Verify that the given `DM`, produced by this `DMPlexTransform`, is valid
989: Input Parameters:
990: + tr - The `DMPlexTransform` object
991: - dm - The `DM` to check
993: Level: advanced
995: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
996: @*/
997: PetscErrorCode DMPlexTransformCheck(DMPlexTransform tr, DM dm)
998: {
999: PetscFunctionBegin;
1000: PetscTryTypeMethod(tr, check, dm);
1001: PetscFunctionReturn(PETSC_SUCCESS);
1002: }
1004: /*@
1005: DMPlexTransformGetTargetPoint - Get the number of a point in the transformed mesh based on information from the original mesh.
1007: Not Collective
1009: Input Parameters:
1010: + tr - The `DMPlexTransform`
1011: . ct - The type of the original point which produces the new point
1012: . ctNew - The type of the new point
1013: . p - The original point which produces the new point
1014: - r - The replica number of the new point, meaning it is the rth point of type `ctNew` produced from `p`
1016: Output Parameter:
1017: . pNew - The new point number
1019: Level: developer
1021: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSourcePoint()`, `DMPlexTransformCellTransform()`
1022: @*/
1023: PetscErrorCode DMPlexTransformGetTargetPoint(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType ctNew, PetscInt p, PetscInt r, PetscInt *pNew)
1024: {
1025: DMPolytopeType *rct;
1026: PetscInt *rsize, *cone, *ornt;
1027: PetscInt rt, Nct, n, off, rp;
1028: DMLabel trType = tr->trType;
1029: PetscInt ctS = tr->ctStart[ct], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ct] + 1]];
1030: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
1031: PetscInt newp = ctSN, cind;
1033: PetscFunctionBeginHot;
1034: 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);
1035: PetscCall(DMPlexTransformCellTransform(tr, ct, p, &rt, &Nct, &rct, &rsize, &cone, &ornt));
1036: if (trType) {
1037: PetscCall(DMLabelGetValueIndex(trType, rt, &cind));
1038: PetscCall(DMLabelGetStratumPointIndex(trType, rt, p, &rp));
1039: 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);
1040: } else {
1041: cind = ct;
1042: rp = p - ctS;
1043: }
1044: off = tr->offset[cind * DM_NUM_POLYTOPES + ctNew];
1045: 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);
1046: newp += off;
1047: for (n = 0; n < Nct; ++n) {
1048: if (rct[n] == ctNew) {
1049: if (rsize[n] && r >= rsize[n])
1050: 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]);
1051: newp += rp * rsize[n] + r;
1052: break;
1053: }
1054: }
1056: 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);
1057: *pNew = newp;
1058: PetscFunctionReturn(PETSC_SUCCESS);
1059: }
1061: /*@
1062: DMPlexTransformGetSourcePoint - Get the number of a point in the original mesh based on information from the transformed mesh.
1064: Not Collective
1066: Input Parameters:
1067: + tr - The `DMPlexTransform`
1068: - pNew - The new point number
1070: Output Parameters:
1071: + ct - The type of the original point which produces the new point
1072: . ctNew - The type of the new point
1073: . p - The original point which produces the new point
1074: - r - The replica number of the new point, meaning it is the rth point of type ctNew produced from p
1076: Level: developer
1078: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetTargetPoint()`, `DMPlexTransformCellTransform()`
1079: @*/
1080: PetscErrorCode DMPlexTransformGetSourcePoint(DMPlexTransform tr, PetscInt pNew, DMPolytopeType *ct, DMPolytopeType *ctNew, PetscInt *p, PetscInt *r)
1081: {
1082: DMLabel trType = tr->trType;
1083: DMPolytopeType *rct, ctN;
1084: PetscInt *rsize, *cone, *ornt;
1085: PetscInt rt = -1, rtTmp, Nct, n, rp = 0, rO = 0, pO;
1086: PetscInt offset = -1, ctS, ctE, ctO = 0, ctTmp, rtS;
1088: PetscFunctionBegin;
1089: PetscCall(DMPlexTransformGetCellType(tr, pNew, &ctN));
1090: if (trType) {
1091: DM dm;
1092: IS rtIS;
1093: const PetscInt *reftypes;
1094: PetscInt Nrt, r, rtStart;
1096: PetscCall(DMPlexTransformGetDM(tr, &dm));
1097: PetscCall(DMLabelGetNumValues(trType, &Nrt));
1098: PetscCall(DMLabelGetValueIS(trType, &rtIS));
1099: PetscCall(ISGetIndices(rtIS, &reftypes));
1100: for (r = 0; r < Nrt; ++r) {
1101: const PetscInt off = tr->offset[r * DM_NUM_POLYTOPES + ctN];
1103: if (tr->ctStartNew[ctN] + off > pNew) continue;
1104: /* Check that any of this refinement type exist */
1105: /* TODO Actually keep track of the number produced here instead */
1106: if (off > offset) {
1107: rt = reftypes[r];
1108: offset = off;
1109: }
1110: }
1111: PetscCall(ISRestoreIndices(rtIS, &reftypes));
1112: PetscCall(ISDestroy(&rtIS));
1113: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1114: /* TODO Map refinement types to cell types */
1115: PetscCall(DMLabelGetStratumBounds(trType, rt, &rtStart, NULL));
1116: PetscCheck(rtStart >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Refinement type %" PetscInt_FMT " has no source points", rt);
1117: for (ctO = 0; ctO < DM_NUM_POLYTOPES; ++ctO) {
1118: PetscInt ctS = tr->ctStart[ctO], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1120: if ((rtStart >= ctS) && (rtStart < ctE)) break;
1121: }
1122: PetscCheck(ctO != DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Could not determine a cell type for refinement type %" PetscInt_FMT, rt);
1123: } else {
1124: for (ctTmp = 0; ctTmp < DM_NUM_POLYTOPES; ++ctTmp) {
1125: const PetscInt off = tr->offset[ctTmp * DM_NUM_POLYTOPES + ctN];
1127: if (tr->ctStartNew[ctN] + off > pNew) continue;
1128: if (tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctTmp] + 1]] <= tr->ctStart[ctTmp]) continue;
1129: /* TODO Actually keep track of the number produced here instead */
1130: if (off > offset) {
1131: ctO = ctTmp;
1132: offset = off;
1133: }
1134: }
1135: rt = -1;
1136: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1137: }
1138: ctS = tr->ctStart[ctO];
1139: ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1140: if (trType) {
1141: for (rtS = ctS; rtS < ctE; ++rtS) {
1142: PetscInt val;
1143: PetscCall(DMLabelGetValue(trType, rtS, &val));
1144: if (val == rt) break;
1145: }
1146: 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);
1147: } else rtS = ctS;
1148: PetscCall(DMPlexTransformCellTransform(tr, (DMPolytopeType)ctO, rtS, &rtTmp, &Nct, &rct, &rsize, &cone, &ornt));
1149: 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);
1150: for (n = 0; n < Nct; ++n) {
1151: if (rct[n] == ctN) {
1152: PetscInt tmp = pNew - tr->ctStartNew[ctN] - offset, val, c;
1154: if (trType) {
1155: for (c = ctS; c < ctE; ++c) {
1156: PetscCall(DMLabelGetValue(trType, c, &val));
1157: if (val == rt) {
1158: if (tmp < rsize[n]) break;
1159: tmp -= rsize[n];
1160: }
1161: }
1162: PetscCheck(c < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Parent point for target point %" PetscInt_FMT " could be not found", pNew);
1163: rp = c - ctS;
1164: rO = tmp;
1165: } else {
1166: // This assumes that all points of type ctO transform the same way
1167: rp = tmp / rsize[n];
1168: rO = tmp % rsize[n];
1169: }
1170: break;
1171: }
1172: }
1173: PetscCheck(n != Nct, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number for target point %" PetscInt_FMT " could be not found", pNew);
1174: pO = rp + ctS;
1175: 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);
1176: if (ct) *ct = (DMPolytopeType)ctO;
1177: if (ctNew) *ctNew = ctN;
1178: if (p) *p = pO;
1179: if (r) *r = rO;
1180: PetscFunctionReturn(PETSC_SUCCESS);
1181: }
1183: /*@
1184: DMPlexTransformCellTransform - Describes the transform of a given source cell into a set of other target cells. These produced cells become the new mesh.
1186: Input Parameters:
1187: + tr - The `DMPlexTransform` object
1188: . source - The source cell type
1189: - p - The source point, which can also determine the refine type
1191: Output Parameters:
1192: + rt - The refine type for this point
1193: . Nt - The number of types produced by this point
1194: . target - An array of length `Nt` giving the types produced
1195: . size - An array of length `Nt` giving the number of cells of each type produced
1196: . cone - An array of length `Nt`*size[t]*coneSize[t] giving the cell type for each point in the cone of each produced point
1197: - ornt - An array of length `Nt`*size[t]*coneSize[t] giving the orientation for each point in the cone of each produced point
1199: Level: advanced
1201: Notes:
1202: The cone array gives the cone of each subcell listed by the first three outputs. For each cone point, we
1203: need the cell type, point identifier, and orientation within the subcell. The orientation is with respect to the canonical
1204: division (described in these outputs) of the cell in the original mesh. The point identifier is given by
1205: .vb
1206: the number of cones to be taken, or 0 for the current cell
1207: the cell cone point number at each level from which it is subdivided
1208: the replica number r of the subdivision.
1209: .ve
1210: The orientation is with respect to the canonical cone orientation. For example, the prescription for edge division is
1211: .vb
1212: Nt = 2
1213: target = {DM_POLYTOPE_POINT, DM_POLYTOPE_SEGMENT}
1214: size = {1, 2}
1215: cone = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0}
1216: ornt = { 0, 0, 0, 0}
1217: .ve
1219: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1220: @*/
1221: PetscErrorCode DMPlexTransformCellTransform(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1222: {
1223: PetscFunctionBegin;
1224: PetscUseTypeMethod(tr, celltransform, source, p, rt, Nt, target, size, cone, ornt);
1225: PetscFunctionReturn(PETSC_SUCCESS);
1226: }
1228: PetscErrorCode DMPlexTransformGetSubcellOrientationIdentity(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1229: {
1230: PetscFunctionBegin;
1231: *rnew = r;
1232: *onew = DMPolytopeTypeComposeOrientation(tct, o, so);
1233: PetscFunctionReturn(PETSC_SUCCESS);
1234: }
1236: /* Returns the same thing */
1237: PetscErrorCode DMPlexTransformCellTransformIdentity(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1238: {
1239: static DMPolytopeType vertexT[] = {DM_POLYTOPE_POINT};
1240: static PetscInt vertexS[] = {1};
1241: static PetscInt vertexC[] = {0};
1242: static PetscInt vertexO[] = {0};
1243: static DMPolytopeType edgeT[] = {DM_POLYTOPE_SEGMENT};
1244: static PetscInt edgeS[] = {1};
1245: static PetscInt edgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1246: static PetscInt edgeO[] = {0, 0};
1247: static DMPolytopeType tedgeT[] = {DM_POLYTOPE_POINT_PRISM_TENSOR};
1248: static PetscInt tedgeS[] = {1};
1249: static PetscInt tedgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1250: static PetscInt tedgeO[] = {0, 0};
1251: static DMPolytopeType triT[] = {DM_POLYTOPE_TRIANGLE};
1252: static PetscInt triS[] = {1};
1253: static PetscInt triC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0};
1254: static PetscInt triO[] = {0, 0, 0};
1255: static DMPolytopeType quadT[] = {DM_POLYTOPE_QUADRILATERAL};
1256: static PetscInt quadS[] = {1};
1257: 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};
1258: static PetscInt quadO[] = {0, 0, 0, 0};
1259: static DMPolytopeType tquadT[] = {DM_POLYTOPE_SEG_PRISM_TENSOR};
1260: static PetscInt tquadS[] = {1};
1261: 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};
1262: static PetscInt tquadO[] = {0, 0, 0, 0};
1263: static DMPolytopeType tetT[] = {DM_POLYTOPE_TETRAHEDRON};
1264: static PetscInt tetS[] = {1};
1265: 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};
1266: static PetscInt tetO[] = {0, 0, 0, 0};
1267: static DMPolytopeType hexT[] = {DM_POLYTOPE_HEXAHEDRON};
1268: static PetscInt hexS[] = {1};
1269: 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};
1270: static PetscInt hexO[] = {0, 0, 0, 0, 0, 0};
1271: static DMPolytopeType tripT[] = {DM_POLYTOPE_TRI_PRISM};
1272: static PetscInt tripS[] = {1};
1273: 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};
1274: static PetscInt tripO[] = {0, 0, 0, 0, 0};
1275: static DMPolytopeType ttripT[] = {DM_POLYTOPE_TRI_PRISM_TENSOR};
1276: static PetscInt ttripS[] = {1};
1277: 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};
1278: static PetscInt ttripO[] = {0, 0, 0, 0, 0};
1279: static DMPolytopeType tquadpT[] = {DM_POLYTOPE_QUAD_PRISM_TENSOR};
1280: static PetscInt tquadpS[] = {1};
1281: static PetscInt tquadpC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0,
1282: DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 5, 0};
1283: static PetscInt tquadpO[] = {0, 0, 0, 0, 0, 0};
1284: static DMPolytopeType pyrT[] = {DM_POLYTOPE_PYRAMID};
1285: static PetscInt pyrS[] = {1};
1286: 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};
1287: static PetscInt pyrO[] = {0, 0, 0, 0, 0};
1289: PetscFunctionBegin;
1290: if (rt) *rt = 0;
1291: switch (source) {
1292: case DM_POLYTOPE_POINT:
1293: *Nt = 1;
1294: *target = vertexT;
1295: *size = vertexS;
1296: *cone = vertexC;
1297: *ornt = vertexO;
1298: break;
1299: case DM_POLYTOPE_SEGMENT:
1300: *Nt = 1;
1301: *target = edgeT;
1302: *size = edgeS;
1303: *cone = edgeC;
1304: *ornt = edgeO;
1305: break;
1306: case DM_POLYTOPE_POINT_PRISM_TENSOR:
1307: *Nt = 1;
1308: *target = tedgeT;
1309: *size = tedgeS;
1310: *cone = tedgeC;
1311: *ornt = tedgeO;
1312: break;
1313: case DM_POLYTOPE_TRIANGLE:
1314: *Nt = 1;
1315: *target = triT;
1316: *size = triS;
1317: *cone = triC;
1318: *ornt = triO;
1319: break;
1320: case DM_POLYTOPE_QUADRILATERAL:
1321: *Nt = 1;
1322: *target = quadT;
1323: *size = quadS;
1324: *cone = quadC;
1325: *ornt = quadO;
1326: break;
1327: case DM_POLYTOPE_SEG_PRISM_TENSOR:
1328: *Nt = 1;
1329: *target = tquadT;
1330: *size = tquadS;
1331: *cone = tquadC;
1332: *ornt = tquadO;
1333: break;
1334: case DM_POLYTOPE_TETRAHEDRON:
1335: *Nt = 1;
1336: *target = tetT;
1337: *size = tetS;
1338: *cone = tetC;
1339: *ornt = tetO;
1340: break;
1341: case DM_POLYTOPE_HEXAHEDRON:
1342: *Nt = 1;
1343: *target = hexT;
1344: *size = hexS;
1345: *cone = hexC;
1346: *ornt = hexO;
1347: break;
1348: case DM_POLYTOPE_TRI_PRISM:
1349: *Nt = 1;
1350: *target = tripT;
1351: *size = tripS;
1352: *cone = tripC;
1353: *ornt = tripO;
1354: break;
1355: case DM_POLYTOPE_TRI_PRISM_TENSOR:
1356: *Nt = 1;
1357: *target = ttripT;
1358: *size = ttripS;
1359: *cone = ttripC;
1360: *ornt = ttripO;
1361: break;
1362: case DM_POLYTOPE_QUAD_PRISM_TENSOR:
1363: *Nt = 1;
1364: *target = tquadpT;
1365: *size = tquadpS;
1366: *cone = tquadpC;
1367: *ornt = tquadpO;
1368: break;
1369: case DM_POLYTOPE_PYRAMID:
1370: *Nt = 1;
1371: *target = pyrT;
1372: *size = pyrS;
1373: *cone = pyrC;
1374: *ornt = pyrO;
1375: break;
1376: default:
1377: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
1378: }
1379: PetscFunctionReturn(PETSC_SUCCESS);
1380: }
1382: /*@
1383: DMPlexTransformGetSubcellOrientation - Transform the replica number and orientation for a target point according to the group action for the source point
1385: Not Collective
1387: Input Parameters:
1388: + tr - The `DMPlexTransform`
1389: . sct - The source point cell type, from whom the new cell is being produced
1390: . sp - The source point
1391: . so - The orientation of the source point in its enclosing parent
1392: . tct - The target point cell type
1393: . r - The replica number requested for the produced cell type
1394: - o - The orientation of the replica
1396: Output Parameters:
1397: + rnew - The replica number, given the orientation of the parent
1398: - onew - The replica orientation, given the orientation of the parent
1400: Level: advanced
1402: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformApply()`
1403: @*/
1404: PetscErrorCode DMPlexTransformGetSubcellOrientation(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1405: {
1406: PetscFunctionBeginHot;
1407: PetscUseTypeMethod(tr, getsubcellorientation, sct, sp, so, tct, r, o, rnew, onew);
1408: PetscFunctionReturn(PETSC_SUCCESS);
1409: }
1411: static PetscErrorCode DMPlexTransformSetConeSizes(DMPlexTransform tr, DM rdm)
1412: {
1413: DM dm;
1414: PetscInt pStart, pEnd, pNew;
1416: PetscFunctionBegin;
1417: PetscCall(DMPlexTransformGetDM(tr, &dm));
1418: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1419: /* Must create the celltype label here so that we do not automatically try to compute the types */
1420: PetscCall(DMCreateLabel(rdm, "celltype"));
1421: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1422: for (PetscInt p = pStart; p < pEnd; ++p) {
1423: DMPolytopeType ct;
1424: DMPolytopeType *rct;
1425: PetscInt *rsize, *rcone, *rornt;
1426: PetscInt Nct, n, r;
1428: PetscCall(DMPlexGetCellType(dm, p, &ct));
1429: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1430: for (n = 0; n < Nct; ++n) {
1431: for (r = 0; r < rsize[n]; ++r) {
1432: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1433: PetscCall(DMPlexSetConeSize(rdm, pNew, DMPolytopeTypeGetConeSize(rct[n])));
1434: PetscCall(DMPlexSetCellType(rdm, pNew, rct[n]));
1435: }
1436: }
1437: }
1438: /* Let the DM know we have set all the cell types */
1439: {
1440: DMLabel ctLabel;
1441: DM_Plex *plex = (DM_Plex *)rdm->data;
1443: PetscCall(DMPlexGetCellTypeLabel(rdm, &ctLabel));
1444: PetscCall(PetscObjectStateGet((PetscObject)ctLabel, &plex->celltypeState));
1445: }
1446: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1447: PetscFunctionReturn(PETSC_SUCCESS);
1448: }
1450: PetscErrorCode DMPlexTransformGetConeSize(DMPlexTransform tr, PetscInt q, PetscInt *coneSize)
1451: {
1452: DMPolytopeType ctNew;
1454: PetscFunctionBegin;
1456: PetscAssertPointer(coneSize, 3);
1457: PetscCall(DMPlexTransformGetCellType(tr, q, &ctNew));
1458: *coneSize = DMPolytopeTypeGetConeSize(ctNew);
1459: PetscFunctionReturn(PETSC_SUCCESS);
1460: }
1462: /* The orientation o is for the interior of the cell p */
1463: 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[])
1464: {
1465: DM dm;
1466: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1467: const PetscInt *cone;
1468: DMPolytopeType *newft = NULL;
1469: PetscInt c, coff = *coneoff, ooff = *orntoff;
1470: PetscInt dim, cr = 0, co = 0, nr, no;
1472: PetscFunctionBegin;
1473: PetscCall(DMPlexTransformGetDM(tr, &dm));
1474: PetscCall(DMPlexGetOrientedCone(dm, p, &cone, NULL));
1475: // Check if we have to permute this cell
1476: PetscCall(DMGetDimension(dm, &dim));
1477: if (DMPolytopeTypeGetDim(ctNew) == dim && DMPolytopeTypeGetDim(ct) == dim - 1) {
1478: PetscCall(DMPlexTransformGetSubcellOrientation(tr, ct, p, o, ctNew, cr, co, &nr, &no));
1479: if (cr != nr || co != no) PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newft));
1480: }
1481: for (c = 0; c < csizeNew; ++c) {
1482: PetscInt ppp = -1; /* Parent Parent point: Parent of point pp */
1483: PetscInt pp = p; /* Parent point: Point in the original mesh producing new cone point */
1484: PetscInt po = 0; /* Orientation of parent point pp in parent parent point ppp */
1485: DMPolytopeType pct = ct; /* Parent type: Cell type for parent of new cone point */
1486: const PetscInt *pcone = cone; /* Parent cone: Cone of parent point pp */
1487: PetscInt pr = -1; /* Replica number of pp that produces new cone point */
1488: const DMPolytopeType ft = (DMPolytopeType)rcone[coff++]; /* Cell type for new cone point of pNew */
1489: const PetscInt fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1490: PetscInt fo = rornt[ooff++]; /* Orientation of new cone point in pNew */
1491: PetscInt lc;
1493: /* Get the type (pct) and point number (pp) of the parent point in the original mesh which produces this cone point */
1494: for (lc = 0; lc < fn; ++lc) {
1495: const PetscInt *parr = DMPolytopeTypeGetArrangement(pct, po);
1496: const PetscInt acp = rcone[coff++];
1497: const PetscInt pcp = parr[acp * 2];
1498: const PetscInt pco = parr[acp * 2 + 1];
1499: const PetscInt *ppornt;
1501: ppp = pp;
1502: pp = pcone[pcp];
1503: PetscCall(DMPlexGetCellType(dm, pp, &pct));
1504: // Restore the parent cone from the last iterate
1505: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, ppp, &pcone, NULL));
1506: PetscCall(DMPlexGetOrientedCone(dm, pp, &pcone, NULL));
1507: PetscCall(DMPlexGetOrientedCone(dm, ppp, NULL, &ppornt));
1508: po = DMPolytopeTypeComposeOrientation(pct, ppornt[pcp], pco);
1509: PetscCall(DMPlexRestoreOrientedCone(dm, ppp, NULL, &ppornt));
1510: }
1511: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, pp, &pcone, NULL));
1512: pr = rcone[coff++];
1513: /* Orientation po of pp maps (pr, fo) -> (pr', fo') */
1514: PetscCall(DMPlexTransformGetSubcellOrientation(tr, pct, pp, fn ? po : o, ft, pr, fo, &pr, &fo));
1515: PetscCall(DMPlexTransformGetTargetPoint(tr, pct, ft, pp, pr, &coneNew[c]));
1516: orntNew[c] = fo;
1517: if (newft) newft[c] = ft;
1518: }
1519: PetscCall(DMPlexRestoreOrientedCone(dm, p, &cone, NULL));
1520: if (newft) {
1521: const PetscInt *arr;
1522: PetscInt *newcone, *newornt;
1524: arr = DMPolytopeTypeGetArrangement(ctNew, no);
1525: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1526: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1527: for (PetscInt c = 0; c < csizeNew; ++c) {
1528: DMPolytopeType ft = newft[c];
1529: PetscInt nO;
1531: nO = DMPolytopeTypeGetNumArrangements(ft) / 2;
1532: newcone[c] = coneNew[arr[c * 2 + 0]];
1533: newornt[c] = DMPolytopeTypeComposeOrientation(ft, arr[c * 2 + 1], orntNew[arr[c * 2 + 0]]);
1534: 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]);
1535: }
1536: for (PetscInt c = 0; c < csizeNew; ++c) {
1537: coneNew[c] = newcone[c];
1538: orntNew[c] = newornt[c];
1539: }
1540: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1541: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1542: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newft));
1543: }
1544: *coneoff = coff;
1545: *orntoff = ooff;
1546: PetscFunctionReturn(PETSC_SUCCESS);
1547: }
1549: static PetscErrorCode DMPlexTransformSetCones(DMPlexTransform tr, DM rdm)
1550: {
1551: DM dm;
1552: DMPolytopeType ct;
1553: PetscInt *coneNew, *orntNew;
1554: PetscInt maxConeSize = 0, pStart, pEnd, p, pNew;
1556: PetscFunctionBegin;
1557: PetscCall(DMPlexTransformGetDM(tr, &dm));
1558: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1559: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1560: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1561: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1562: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1563: for (p = pStart; p < pEnd; ++p) {
1564: PetscInt coff, ooff;
1565: DMPolytopeType *rct;
1566: PetscInt *rsize, *rcone, *rornt;
1567: PetscInt Nct, n, r;
1569: PetscCall(DMPlexGetCellType(dm, p, &ct));
1570: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1571: for (n = 0, coff = 0, ooff = 0; n < Nct; ++n) {
1572: const DMPolytopeType ctNew = rct[n];
1574: for (r = 0; r < rsize[n]; ++r) {
1575: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1576: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, ctNew, rcone, &coff, rornt, &ooff, coneNew, orntNew));
1577: PetscCall(DMPlexSetCone(rdm, pNew, coneNew));
1578: PetscCall(DMPlexSetConeOrientation(rdm, pNew, orntNew));
1579: }
1580: }
1581: }
1582: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1583: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1584: PetscCall(DMViewFromOptions(rdm, NULL, "-rdm_view"));
1585: PetscCall(DMPlexSymmetrize(rdm));
1586: PetscCall(DMPlexStratify(rdm));
1587: PetscTryTypeMethod(tr, ordersupports, dm, rdm);
1588: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1589: PetscFunctionReturn(PETSC_SUCCESS);
1590: }
1592: PetscErrorCode DMPlexTransformGetConeOriented(DMPlexTransform tr, PetscInt q, PetscInt po, const PetscInt *cone[], const PetscInt *ornt[])
1593: {
1594: DM dm;
1595: DMPolytopeType ct, qct;
1596: DMPolytopeType *rct;
1597: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1598: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1600: PetscFunctionBegin;
1602: PetscAssertPointer(cone, 4);
1603: PetscAssertPointer(ornt, 5);
1604: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1605: PetscCall(DMPlexTransformGetDM(tr, &dm));
1606: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1607: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1608: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1609: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1610: for (n = 0; n < Nct; ++n) {
1611: const DMPolytopeType ctNew = rct[n];
1612: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1613: PetscInt Nr = rsize[n], fn, c;
1615: if (ctNew == qct) Nr = r;
1616: for (nr = 0; nr < Nr; ++nr) {
1617: for (c = 0; c < csizeNew; ++c) {
1618: ++coff; /* Cell type of new cone point */
1619: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1620: coff += fn;
1621: ++coff; /* Replica number of new cone point */
1622: ++ooff; /* Orientation of new cone point */
1623: }
1624: }
1625: if (ctNew == qct) break;
1626: }
1627: PetscCall(DMPlexTransformGetCone_Internal(tr, p, po, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1628: *cone = qcone;
1629: *ornt = qornt;
1630: PetscFunctionReturn(PETSC_SUCCESS);
1631: }
1633: PetscErrorCode DMPlexTransformGetCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1634: {
1635: DM dm;
1636: DMPolytopeType ct, qct;
1637: DMPolytopeType *rct;
1638: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1639: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1641: PetscFunctionBegin;
1643: if (cone) PetscAssertPointer(cone, 3);
1644: if (ornt) PetscAssertPointer(ornt, 4);
1645: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1646: PetscCall(DMPlexTransformGetDM(tr, &dm));
1647: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1648: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1649: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1650: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1651: for (n = 0; n < Nct; ++n) {
1652: const DMPolytopeType ctNew = rct[n];
1653: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1654: PetscInt Nr = rsize[n], fn, c;
1656: if (ctNew == qct) Nr = r;
1657: for (nr = 0; nr < Nr; ++nr) {
1658: for (c = 0; c < csizeNew; ++c) {
1659: ++coff; /* Cell type of new cone point */
1660: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1661: coff += fn;
1662: ++coff; /* Replica number of new cone point */
1663: ++ooff; /* Orientation of new cone point */
1664: }
1665: }
1666: if (ctNew == qct) break;
1667: }
1668: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1669: if (cone) *cone = qcone;
1670: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1671: if (ornt) *ornt = qornt;
1672: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1673: PetscFunctionReturn(PETSC_SUCCESS);
1674: }
1676: PetscErrorCode DMPlexTransformRestoreCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1677: {
1678: DM dm;
1680: PetscFunctionBegin;
1682: PetscCall(DMPlexTransformGetDM(tr, &dm));
1683: if (cone) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, cone));
1684: if (ornt) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, ornt));
1685: PetscFunctionReturn(PETSC_SUCCESS);
1686: }
1688: static PetscErrorCode DMPlexTransformCreateCellVertices_Internal(DMPlexTransform tr)
1689: {
1690: PetscInt ict;
1692: PetscFunctionBegin;
1693: PetscCall(PetscCalloc3(DM_NUM_POLYTOPES, &tr->trNv, DM_NUM_POLYTOPES, &tr->trVerts, DM_NUM_POLYTOPES, &tr->trSubVerts));
1694: for (ict = DM_POLYTOPE_POINT; ict < DM_NUM_POLYTOPES; ++ict) {
1695: const DMPolytopeType ct = (DMPolytopeType)ict;
1696: DMPlexTransform reftr;
1697: DM refdm, trdm;
1698: Vec coordinates;
1699: const PetscScalar *coords;
1700: DMPolytopeType *rct;
1701: PetscInt *rsize, *rcone, *rornt;
1702: PetscInt Nct, n, r, pNew = 0;
1703: PetscInt trdim, vStart, vEnd, Nc;
1704: const PetscInt debug = 0;
1705: const char *typeName;
1707: /* Since points are 0-dimensional, coordinates make no sense */
1708: if (DMPolytopeTypeGetDim(ct) <= 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE) continue;
1709: PetscCall(DMPlexCreateReferenceCell(PETSC_COMM_SELF, ct, &refdm));
1710: PetscCall(DMPlexTransformCreate(PETSC_COMM_SELF, &reftr));
1711: PetscCall(DMPlexTransformSetDM(reftr, refdm));
1712: PetscCall(DMPlexTransformGetType(tr, &typeName));
1713: PetscCall(DMPlexTransformSetType(reftr, typeName));
1714: PetscCall(DMPlexTransformSetUp(reftr));
1715: PetscCall(DMPlexTransformApply(reftr, refdm, &trdm));
1717: PetscCall(DMGetDimension(trdm, &trdim));
1718: PetscCall(DMPlexGetDepthStratum(trdm, 0, &vStart, &vEnd));
1719: tr->trNv[ct] = vEnd - vStart;
1720: PetscCall(DMGetCoordinatesLocal(trdm, &coordinates));
1721: PetscCall(VecGetLocalSize(coordinates, &Nc));
1722: 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);
1723: PetscCall(PetscCalloc1(Nc, &tr->trVerts[ct]));
1724: PetscCall(VecGetArrayRead(coordinates, &coords));
1725: PetscCall(PetscArraycpy(tr->trVerts[ct], coords, Nc));
1726: PetscCall(VecRestoreArrayRead(coordinates, &coords));
1728: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES, &tr->trSubVerts[ct]));
1729: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1730: for (n = 0; n < Nct; ++n) {
1731: /* Since points are 0-dimensional, coordinates make no sense */
1732: if (rct[n] == DM_POLYTOPE_POINT) continue;
1733: PetscCall(PetscCalloc1(rsize[n], &tr->trSubVerts[ct][rct[n]]));
1734: for (r = 0; r < rsize[n]; ++r) {
1735: PetscInt *closure = NULL;
1736: PetscInt clSize, cl, Nv = 0;
1738: PetscCall(PetscCalloc1(DMPolytopeTypeGetNumVertices(rct[n]), &tr->trSubVerts[ct][rct[n]][r]));
1739: PetscCall(DMPlexTransformGetTargetPoint(reftr, ct, rct[n], 0, r, &pNew));
1740: PetscCall(DMPlexGetTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1741: for (cl = 0; cl < clSize * 2; cl += 2) {
1742: const PetscInt sv = closure[cl];
1744: if ((sv >= vStart) && (sv < vEnd)) tr->trSubVerts[ct][rct[n]][r][Nv++] = sv - vStart;
1745: }
1746: PetscCall(DMPlexRestoreTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1747: 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]);
1748: }
1749: }
1750: if (debug) {
1751: DMPolytopeType *rct;
1752: PetscInt *rsize, *rcone, *rornt;
1753: PetscInt v, dE = trdim, d, off = 0;
1755: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %" PetscInt_FMT " vertices\n", DMPolytopeTypes[ct], tr->trNv[ct]));
1756: for (v = 0; v < tr->trNv[ct]; ++v) {
1757: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1758: for (d = 0; d < dE; ++d) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%g ", (double)PetscRealPart(tr->trVerts[ct][off++])));
1759: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1760: }
1762: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1763: for (n = 0; n < Nct; ++n) {
1764: if (rct[n] == DM_POLYTOPE_POINT) continue;
1765: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %s subvertices %" PetscInt_FMT "\n", DMPolytopeTypes[ct], DMPolytopeTypes[rct[n]], tr->trNv[ct]));
1766: for (r = 0; r < rsize[n]; ++r) {
1767: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1768: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct[n]); ++v) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%" PetscInt_FMT " ", tr->trSubVerts[ct][rct[n]][r][v]));
1769: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1770: }
1771: }
1772: }
1773: PetscCall(DMDestroy(&refdm));
1774: PetscCall(DMDestroy(&trdm));
1775: PetscCall(DMPlexTransformDestroy(&reftr));
1776: }
1777: PetscFunctionReturn(PETSC_SUCCESS);
1778: }
1780: /*@C
1781: DMPlexTransformGetCellVertices - Get the set of transformed vertices lying in the closure of a reference cell of given type
1783: Input Parameters:
1784: + tr - The `DMPlexTransform` object
1785: - ct - The cell type
1787: Output Parameters:
1788: + Nv - The number of transformed vertices in the closure of the reference cell of given type
1789: - trVerts - The coordinates of these vertices in the reference cell
1791: Level: developer
1793: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSubcellVertices()`
1794: @*/
1795: PetscErrorCode DMPlexTransformGetCellVertices(DMPlexTransform tr, DMPolytopeType ct, PetscInt *Nv, PetscScalar *trVerts[])
1796: {
1797: PetscFunctionBegin;
1798: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1799: if (Nv) *Nv = tr->trNv[ct];
1800: if (trVerts) *trVerts = tr->trVerts[ct];
1801: PetscFunctionReturn(PETSC_SUCCESS);
1802: }
1804: /*@C
1805: DMPlexTransformGetSubcellVertices - Get the set of transformed vertices defining a subcell in the reference cell of given type
1807: Input Parameters:
1808: + tr - The `DMPlexTransform` object
1809: . ct - The cell type
1810: . rct - The subcell type
1811: - r - The subcell index
1813: Output Parameter:
1814: . subVerts - The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`
1816: Level: developer
1818: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`
1819: @*/
1820: PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
1821: {
1822: PetscFunctionBegin;
1823: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1824: PetscCheck(tr->trSubVerts[ct][rct], PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONG, "Cell type %s does not produce %s", DMPolytopeTypes[ct], DMPolytopeTypes[rct]);
1825: if (subVerts) *subVerts = tr->trSubVerts[ct][rct][r];
1826: PetscFunctionReturn(PETSC_SUCCESS);
1827: }
1829: /* Computes new vertex as the barycenter, or centroid */
1830: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1831: {
1832: PetscInt v, d;
1834: PetscFunctionBeginHot;
1835: PetscCheck(ct == DM_POLYTOPE_POINT, PETSC_COMM_SELF, PETSC_ERR_SUP, "Not for refined point type %s", DMPolytopeTypes[ct]);
1836: for (d = 0; d < dE; ++d) out[d] = 0.0;
1837: for (v = 0; v < Nv; ++v)
1838: for (d = 0; d < dE; ++d) out[d] += in[v * dE + d];
1839: for (d = 0; d < dE; ++d) out[d] /= Nv;
1840: PetscFunctionReturn(PETSC_SUCCESS);
1841: }
1843: /*@
1844: DMPlexTransformMapCoordinates - Calculate new coordinates for produced points
1846: Not collective
1848: Input Parameters:
1849: + tr - The `DMPlexTransform`
1850: . pct - The cell type of the parent, from whom the new cell is being produced
1851: . ct - The type being produced
1852: . p - The original point
1853: . r - The replica number requested for the produced cell type
1854: . Nv - Number of vertices in the closure of the parent cell
1855: . dE - Spatial dimension
1856: - in - array of size Nv*dE, holding coordinates of the vertices in the closure of the parent cell
1858: Output Parameter:
1859: . out - The coordinates of the new vertices
1861: Level: intermediate
1863: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
1864: @*/
1865: PetscErrorCode DMPlexTransformMapCoordinates(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1866: {
1867: PetscFunctionBeginHot;
1868: if (Nv) PetscUseTypeMethod(tr, mapcoordinates, pct, ct, p, r, Nv, dE, in, out);
1869: PetscFunctionReturn(PETSC_SUCCESS);
1870: }
1872: /*
1873: DMPlexTransformLabelProducedPoint_Private - Label a produced point based on its parent label
1875: Not Collective
1877: Input Parameters:
1878: + tr - The `DMPlexTransform`
1879: . label - The label in the transformed mesh
1880: . pp - The parent point in the original mesh
1881: . pct - The cell type of the parent point
1882: . p - The point in the transformed mesh
1883: . ct - The cell type of the point
1884: . r - The replica number of the point
1885: - val - The label value of the parent point
1887: Level: developer
1889: .seealso: `DMPlexTransformCreateLabels()`, `RefineLabel_Internal()`
1890: */
1891: static PetscErrorCode DMPlexTransformLabelProducedPoint_Private(DMPlexTransform tr, DMLabel label, PetscInt pp, DMPolytopeType pct, PetscInt p, DMPolytopeType ct, PetscInt r, PetscInt val)
1892: {
1893: PetscFunctionBeginHot;
1894: if (tr->labelMatchStrata && pct != ct) PetscFunctionReturn(PETSC_SUCCESS);
1895: PetscCall(DMLabelSetValue(label, p, val + tr->labelReplicaInc * r));
1896: PetscFunctionReturn(PETSC_SUCCESS);
1897: }
1899: static PetscErrorCode RefineLabel_Internal(DMPlexTransform tr, DMLabel label, DMLabel labelNew)
1900: {
1901: DM dm;
1902: IS valueIS;
1903: const PetscInt *values;
1904: PetscInt defVal, Nv, val;
1906: PetscFunctionBegin;
1907: PetscCall(DMPlexTransformGetDM(tr, &dm));
1908: PetscCall(DMLabelGetDefaultValue(label, &defVal));
1909: PetscCall(DMLabelSetDefaultValue(labelNew, defVal));
1910: PetscCall(DMLabelGetValueIS(label, &valueIS));
1911: PetscCall(ISGetLocalSize(valueIS, &Nv));
1912: PetscCall(ISGetIndices(valueIS, &values));
1913: for (val = 0; val < Nv; ++val) {
1914: IS pointIS;
1915: const PetscInt *points;
1916: PetscInt numPoints, p;
1918: /* Ensure refined label is created with same number of strata as
1919: * original (even if no entries here). */
1920: PetscCall(DMLabelAddStratum(labelNew, values[val]));
1921: PetscCall(DMLabelGetStratumIS(label, values[val], &pointIS));
1922: PetscCall(ISGetLocalSize(pointIS, &numPoints));
1923: PetscCall(ISGetIndices(pointIS, &points));
1924: for (p = 0; p < numPoints; ++p) {
1925: const PetscInt point = points[p];
1926: DMPolytopeType ct;
1927: DMPolytopeType *rct;
1928: PetscInt *rsize, *rcone, *rornt;
1929: PetscInt Nct, n, r, pNew = 0;
1931: PetscCall(DMPlexGetCellType(dm, point, &ct));
1932: PetscCall(DMPlexTransformCellTransform(tr, ct, point, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1933: for (n = 0; n < Nct; ++n) {
1934: for (r = 0; r < rsize[n]; ++r) {
1935: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], point, r, &pNew));
1936: PetscCall(DMPlexTransformLabelProducedPoint_Private(tr, labelNew, point, ct, pNew, rct[n], r, values[val]));
1937: }
1938: }
1939: }
1940: PetscCall(ISRestoreIndices(pointIS, &points));
1941: PetscCall(ISDestroy(&pointIS));
1942: }
1943: PetscCall(ISRestoreIndices(valueIS, &values));
1944: PetscCall(ISDestroy(&valueIS));
1945: PetscFunctionReturn(PETSC_SUCCESS);
1946: }
1948: static PetscErrorCode DMPlexTransformCreateLabels(DMPlexTransform tr, DM rdm)
1949: {
1950: DM dm;
1951: PetscInt numLabels, l;
1953: PetscFunctionBegin;
1954: PetscCall(DMPlexTransformGetDM(tr, &dm));
1955: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1956: PetscCall(DMGetNumLabels(dm, &numLabels));
1957: for (l = 0; l < numLabels; ++l) {
1958: DMLabel label, labelNew;
1959: const char *lname;
1960: PetscBool isDepth, isCellType;
1962: PetscCall(DMGetLabelName(dm, l, &lname));
1963: PetscCall(PetscStrcmp(lname, "depth", &isDepth));
1964: if (isDepth) continue;
1965: PetscCall(PetscStrcmp(lname, "celltype", &isCellType));
1966: if (isCellType) continue;
1967: PetscCall(DMCreateLabel(rdm, lname));
1968: PetscCall(DMGetLabel(dm, lname, &label));
1969: PetscCall(DMGetLabel(rdm, lname, &labelNew));
1970: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1971: }
1972: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1973: PetscFunctionReturn(PETSC_SUCCESS);
1974: }
1976: /* This refines the labels which define regions for fields and DSes since they are not in the list of labels for the DM */
1977: PetscErrorCode DMPlexTransformCreateDiscLabels(DMPlexTransform tr, DM rdm)
1978: {
1979: DM dm;
1980: PetscInt Nf, f, Nds, s;
1982: PetscFunctionBegin;
1983: PetscCall(DMPlexTransformGetDM(tr, &dm));
1984: PetscCall(DMGetNumFields(dm, &Nf));
1985: for (f = 0; f < Nf; ++f) {
1986: DMLabel label, labelNew;
1987: PetscObject obj;
1988: const char *lname;
1990: PetscCall(DMGetField(rdm, f, &label, &obj));
1991: if (!label) continue;
1992: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
1993: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
1994: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1995: PetscCall(DMSetField_Internal(rdm, f, labelNew, obj));
1996: PetscCall(DMLabelDestroy(&labelNew));
1997: }
1998: PetscCall(DMGetNumDS(dm, &Nds));
1999: for (s = 0; s < Nds; ++s) {
2000: DMLabel label, labelNew;
2001: const char *lname;
2003: PetscCall(DMGetRegionNumDS(rdm, s, &label, NULL, NULL, NULL));
2004: if (!label) continue;
2005: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
2006: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
2007: PetscCall(RefineLabel_Internal(tr, label, labelNew));
2008: PetscCall(DMSetRegionNumDS(rdm, s, labelNew, NULL, NULL, NULL));
2009: PetscCall(DMLabelDestroy(&labelNew));
2010: }
2011: PetscFunctionReturn(PETSC_SUCCESS);
2012: }
2014: static PetscErrorCode DMPlexTransformCreateSF(DMPlexTransform tr, DM rdm)
2015: {
2016: DM dm;
2017: PetscSF sf, sfNew;
2018: PetscInt numRoots, numLeaves, numLeavesNew = 0, l, m;
2019: const PetscInt *localPoints;
2020: const PetscSFNode *remotePoints;
2021: PetscInt *localPointsNew;
2022: PetscSFNode *remotePointsNew;
2023: PetscInt pStartNew, pEndNew, pNew;
2024: /* Brute force algorithm */
2025: PetscSF rsf;
2026: PetscSection s;
2027: const PetscInt *rootdegree;
2028: PetscInt *rootPointsNew, *remoteOffsets;
2029: PetscInt numPointsNew, pStart, pEnd, p;
2031: PetscFunctionBegin;
2032: PetscCall(DMPlexTransformGetDM(tr, &dm));
2033: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2034: PetscCall(DMPlexGetChart(rdm, &pStartNew, &pEndNew));
2035: PetscCall(DMGetPointSF(dm, &sf));
2036: PetscCall(DMGetPointSF(rdm, &sfNew));
2037: /* Calculate size of new SF */
2038: PetscCall(PetscSFGetGraph(sf, &numRoots, &numLeaves, &localPoints, &remotePoints));
2039: if (numRoots < 0) {
2040: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2041: PetscFunctionReturn(PETSC_SUCCESS);
2042: }
2043: for (l = 0; l < numLeaves; ++l) {
2044: const PetscInt p = localPoints[l];
2045: DMPolytopeType ct;
2046: DMPolytopeType *rct;
2047: PetscInt *rsize, *rcone, *rornt;
2048: PetscInt Nct, n;
2050: PetscCall(DMPlexGetCellType(dm, p, &ct));
2051: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2052: for (n = 0; n < Nct; ++n) numLeavesNew += rsize[n];
2053: }
2054: /* Send new root point numbers
2055: It is possible to optimize for regular transforms by sending only the cell type offsets, but it seems a needless complication
2056: */
2057: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2058: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)dm), &s));
2059: PetscCall(PetscSectionSetChart(s, pStart, pEnd));
2060: for (p = pStart; p < pEnd; ++p) {
2061: DMPolytopeType ct;
2062: DMPolytopeType *rct;
2063: PetscInt *rsize, *rcone, *rornt;
2064: PetscInt Nct, n;
2066: PetscCall(DMPlexGetCellType(dm, p, &ct));
2067: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2068: for (n = 0; n < Nct; ++n) PetscCall(PetscSectionAddDof(s, p, rsize[n]));
2069: }
2070: PetscCall(PetscSectionSetUp(s));
2071: PetscCall(PetscSectionGetStorageSize(s, &numPointsNew));
2072: PetscCall(PetscSFCreateRemoteOffsets(sf, s, s, &remoteOffsets));
2073: PetscCall(PetscSFCreateSectionSF(sf, s, remoteOffsets, s, &rsf));
2074: PetscCall(PetscFree(remoteOffsets));
2075: PetscCall(PetscSFComputeDegreeBegin(sf, &rootdegree));
2076: PetscCall(PetscSFComputeDegreeEnd(sf, &rootdegree));
2077: PetscCall(PetscMalloc1(numPointsNew, &rootPointsNew));
2078: for (p = 0; p < numPointsNew; ++p) rootPointsNew[p] = -1;
2079: for (p = pStart; p < pEnd; ++p) {
2080: DMPolytopeType ct;
2081: DMPolytopeType *rct;
2082: PetscInt *rsize, *rcone, *rornt;
2083: PetscInt Nct, n, r, off;
2085: if (!rootdegree[p - pStart]) continue;
2086: PetscCall(PetscSectionGetOffset(s, p, &off));
2087: PetscCall(DMPlexGetCellType(dm, p, &ct));
2088: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2089: for (n = 0, m = 0; n < Nct; ++n) {
2090: for (r = 0; r < rsize[n]; ++r, ++m) {
2091: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2092: rootPointsNew[off + m] = pNew;
2093: }
2094: }
2095: }
2096: PetscCall(PetscSFBcastBegin(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2097: PetscCall(PetscSFBcastEnd(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2098: PetscCall(PetscSFDestroy(&rsf));
2099: PetscCall(PetscMalloc1(numLeavesNew, &localPointsNew));
2100: PetscCall(PetscMalloc1(numLeavesNew, &remotePointsNew));
2101: for (l = 0, m = 0; l < numLeaves; ++l) {
2102: const PetscInt p = localPoints[l];
2103: DMPolytopeType ct;
2104: DMPolytopeType *rct;
2105: PetscInt *rsize, *rcone, *rornt;
2106: PetscInt Nct, n, r, q, off;
2108: PetscCall(PetscSectionGetOffset(s, p, &off));
2109: PetscCall(DMPlexGetCellType(dm, p, &ct));
2110: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2111: for (n = 0, q = 0; n < Nct; ++n) {
2112: for (r = 0; r < rsize[n]; ++r, ++m, ++q) {
2113: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2114: localPointsNew[m] = pNew;
2115: remotePointsNew[m].index = rootPointsNew[off + q];
2116: remotePointsNew[m].rank = remotePoints[l].rank;
2117: }
2118: }
2119: }
2120: PetscCall(PetscSectionDestroy(&s));
2121: PetscCall(PetscFree(rootPointsNew));
2122: /* SF needs sorted leaves to correctly calculate Gather */
2123: {
2124: PetscSFNode *rp, *rtmp;
2125: PetscInt *lp, *idx, *ltmp, i;
2127: PetscCall(PetscMalloc1(numLeavesNew, &idx));
2128: PetscCall(PetscMalloc1(numLeavesNew, &lp));
2129: PetscCall(PetscMalloc1(numLeavesNew, &rp));
2130: for (i = 0; i < numLeavesNew; ++i) {
2131: 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);
2132: idx[i] = i;
2133: }
2134: PetscCall(PetscSortIntWithPermutation(numLeavesNew, localPointsNew, idx));
2135: for (i = 0; i < numLeavesNew; ++i) {
2136: lp[i] = localPointsNew[idx[i]];
2137: rp[i] = remotePointsNew[idx[i]];
2138: }
2139: ltmp = localPointsNew;
2140: localPointsNew = lp;
2141: rtmp = remotePointsNew;
2142: remotePointsNew = rp;
2143: PetscCall(PetscFree(idx));
2144: PetscCall(PetscFree(ltmp));
2145: PetscCall(PetscFree(rtmp));
2146: }
2147: PetscCall(PetscSFSetGraph(sfNew, pEndNew - pStartNew, numLeavesNew, localPointsNew, PETSC_OWN_POINTER, remotePointsNew, PETSC_OWN_POINTER));
2148: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2149: if (PetscDefined(USE_DEBUG)) {
2150: PetscInt overlap;
2152: // Need to set overlap because some transforms put cells in the overlap
2153: PetscCall(DMPlexGetOverlap(rdm, &overlap));
2154: PetscCall(DMPlexSetOverlap(rdm, NULL, 1));
2155: PetscCall(DMPlexCheckPointSF(rdm, sfNew, PETSC_FALSE));
2156: PetscCall(DMPlexSetOverlap(rdm, NULL, overlap));
2157: }
2158: PetscFunctionReturn(PETSC_SUCCESS);
2159: }
2161: /*
2162: DMPlexCellRefinerMapLocalizedCoordinates - Given a cell of `DMPolytopeType` `ct` with localized coordinates `x`, generate localized coordinates `xr` for subcell `r` of type `rct`.
2164: Not Collective
2166: Input Parameters:
2167: + tr - The `DMPlexTransform`
2168: . ct - The type of the parent cell
2169: . rct - The type of the produced cell
2170: . r - The index of the produced cell
2171: - x - The localized coordinates for the parent cell
2173: Output Parameter:
2174: . xr - The localized coordinates for the produced cell
2176: Level: developer
2178: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexCellRefinerSetCoordinates()`
2179: */
2180: static PetscErrorCode DMPlexTransformMapLocalizedCoordinates(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, const PetscScalar x[], PetscScalar xr[])
2181: {
2182: PetscFE fe = NULL;
2183: PetscInt cdim, v, *subcellV;
2185: PetscFunctionBegin;
2186: PetscCall(DMPlexTransformGetCoordinateFE(tr, ct, &fe));
2187: PetscCall(DMPlexTransformGetSubcellVertices(tr, ct, rct, r, &subcellV));
2188: PetscCall(PetscFEGetNumComponents(fe, &cdim));
2189: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct); ++v) PetscCall(PetscFEInterpolate_Static(fe, x, tr->refGeom[ct], subcellV[v], &xr[v * cdim]));
2190: PetscFunctionReturn(PETSC_SUCCESS);
2191: }
2193: static PetscErrorCode DMPlexTransformSetCoordinates(DMPlexTransform tr, DM rdm)
2194: {
2195: DM dm, cdm, cdmCell, cdmNew, cdmCellNew;
2196: PetscSection coordSection, coordSectionNew, coordSectionCell, coordSectionCellNew;
2197: Vec coordsLocal, coordsLocalNew, coordsLocalCell = NULL, coordsLocalCellNew;
2198: const PetscScalar *coords;
2199: PetscScalar *coordsNew;
2200: const PetscReal *maxCell, *Lstart, *L;
2201: PetscBool localized, localizeVertices = PETSC_FALSE, localizeCells = PETSC_FALSE, sparseLocalize;
2202: PetscInt dE, dEo, d, cStart, cEnd, c, cStartNew, cEndNew, vStartNew, vEndNew, v, pStart, pEnd, p;
2204: PetscFunctionBegin;
2205: // Need to clear the DMField for coordinates
2206: PetscCall(DMSetCoordinateField(rdm, NULL));
2207: PetscCall(DMPlexTransformGetDM(tr, &dm));
2208: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2209: PetscCall(DMGetCoordinateDM(dm, &cdm));
2210: PetscCall(DMGetCellCoordinateDM(dm, &cdmCell));
2211: PetscCall(DMGetCoordinatesLocalized(dm, &localized));
2212: PetscCall(DMGetSparseLocalize(dm, &sparseLocalize));
2213: PetscCall(DMSetSparseLocalize(rdm, sparseLocalize));
2214: PetscCall(DMGetPeriodicity(dm, &maxCell, &Lstart, &L));
2215: if (localized) {
2216: /* Localize coordinates of new vertices */
2217: localizeVertices = PETSC_TRUE;
2218: /* If we do not have a mechanism for automatically localizing cell coordinates, we need to compute them explicitly for every divided cell */
2219: if (!maxCell) localizeCells = PETSC_TRUE;
2220: }
2221: PetscCall(DMGetCoordinateSection(dm, &coordSection));
2222: PetscCall(PetscSectionGetFieldComponents(coordSection, 0, &dEo));
2223: PetscCall(DMGetCoordinateDim(rdm, &dE));
2224: if (maxCell) {
2225: PetscReal *LstartNew, *LNew, *maxCellNew;
2227: PetscCall(PetscMalloc3(dE, &LstartNew, dE, &LNew, dE, &maxCellNew));
2228: for (d = 0; d < dEo; ++d) {
2229: LstartNew[d] = Lstart[d];
2230: LNew[d] = L[d];
2231: maxCellNew[d] = maxCell[d] / tr->redFactor;
2232: }
2233: for (d = dEo; d < dE; ++d) {
2234: LstartNew[d] = 0.;
2235: LNew[d] = -1.;
2236: maxCellNew[d] = -1.;
2237: }
2238: PetscCall(DMSetPeriodicity(rdm, maxCellNew, LstartNew, LNew));
2239: PetscCall(PetscFree3(LstartNew, LNew, maxCellNew));
2240: }
2241: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionNew));
2242: PetscCall(PetscSectionSetNumFields(coordSectionNew, 1));
2243: PetscCall(PetscSectionSetFieldComponents(coordSectionNew, 0, dE));
2244: PetscCall(DMPlexGetDepthStratum(rdm, 0, &vStartNew, &vEndNew));
2245: PetscCall(PetscSectionSetChart(coordSectionNew, vStartNew, vEndNew));
2246: /* Localization should be inherited */
2247: /* Stefano calculates parent cells for each new cell for localization */
2248: /* Localized cells need coordinates of closure */
2249: for (v = vStartNew; v < vEndNew; ++v) {
2250: PetscCall(PetscSectionSetDof(coordSectionNew, v, dE));
2251: PetscCall(PetscSectionSetFieldDof(coordSectionNew, v, 0, dE));
2252: }
2253: PetscCall(PetscSectionSetUp(coordSectionNew));
2254: PetscCall(DMSetCoordinateSection(rdm, PETSC_DETERMINE, coordSectionNew));
2256: if (localizeCells) {
2257: PetscCall(DMGetCoordinateDM(rdm, &cdmNew));
2258: PetscCall(DMClone(cdmNew, &cdmCellNew));
2259: PetscCall(DMSetCellCoordinateDM(rdm, cdmCellNew));
2260: PetscCall(DMDestroy(&cdmCellNew));
2262: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionCellNew));
2263: PetscCall(PetscSectionSetNumFields(coordSectionCellNew, 1));
2264: PetscCall(PetscSectionSetFieldComponents(coordSectionCellNew, 0, dE));
2265: PetscCall(DMPlexGetHeightStratum(rdm, 0, &cStartNew, &cEndNew));
2266: PetscCall(PetscSectionSetChart(coordSectionCellNew, cStartNew, cEndNew));
2268: PetscCall(DMGetCellCoordinateSection(dm, &coordSectionCell));
2269: PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
2270: for (c = cStart; c < cEnd; ++c) {
2271: PetscInt dof;
2273: PetscCall(PetscSectionGetDof(coordSectionCell, c, &dof));
2274: if (dof) {
2275: DMPolytopeType ct;
2276: DMPolytopeType *rct;
2277: PetscInt *rsize, *rcone, *rornt;
2278: PetscInt dim, cNew, Nct, n, r;
2280: PetscCall(DMPlexGetCellType(dm, c, &ct));
2281: dim = DMPolytopeTypeGetDim(ct);
2282: PetscCall(DMPlexTransformCellTransform(tr, ct, c, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2283: /* This allows for different cell types */
2284: for (n = 0; n < Nct; ++n) {
2285: if (dim != DMPolytopeTypeGetDim(rct[n])) continue;
2286: for (r = 0; r < rsize[n]; ++r) {
2287: PetscInt *closure = NULL;
2288: PetscInt clSize, cl, Nv = 0;
2290: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], c, r, &cNew));
2291: PetscCall(DMPlexGetTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2292: for (cl = 0; cl < clSize * 2; cl += 2) {
2293: if ((closure[cl] >= vStartNew) && (closure[cl] < vEndNew)) ++Nv;
2294: }
2295: PetscCall(DMPlexRestoreTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2296: PetscCall(PetscSectionSetDof(coordSectionCellNew, cNew, Nv * dE));
2297: PetscCall(PetscSectionSetFieldDof(coordSectionCellNew, cNew, 0, Nv * dE));
2298: }
2299: }
2300: }
2301: }
2302: PetscCall(PetscSectionSetUp(coordSectionCellNew));
2303: PetscCall(DMSetCellCoordinateSection(rdm, PETSC_DETERMINE, coordSectionCellNew));
2304: }
2305: PetscCall(DMViewFromOptions(dm, NULL, "-coarse_dm_view"));
2306: {
2307: VecType vtype;
2308: PetscInt coordSizeNew, bs;
2309: const char *name;
2311: PetscCall(DMGetCoordinatesLocal(dm, &coordsLocal));
2312: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalNew));
2313: PetscCall(PetscSectionGetStorageSize(coordSectionNew, &coordSizeNew));
2314: PetscCall(VecSetSizes(coordsLocalNew, coordSizeNew, PETSC_DETERMINE));
2315: PetscCall(PetscObjectGetName((PetscObject)coordsLocal, &name));
2316: PetscCall(PetscObjectSetName((PetscObject)coordsLocalNew, name));
2317: PetscCall(VecGetBlockSize(coordsLocal, &bs));
2318: PetscCall(VecSetBlockSize(coordsLocalNew, dEo == dE ? bs : dE));
2319: PetscCall(VecGetType(coordsLocal, &vtype));
2320: PetscCall(VecSetType(coordsLocalNew, vtype));
2321: }
2322: PetscCall(VecGetArrayRead(coordsLocal, &coords));
2323: PetscCall(VecGetArray(coordsLocalNew, &coordsNew));
2324: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2325: /* First set coordinates for vertices */
2326: for (p = pStart; p < pEnd; ++p) {
2327: DMPolytopeType ct;
2328: DMPolytopeType *rct;
2329: PetscInt *rsize, *rcone, *rornt;
2330: PetscInt Nct, n, r;
2331: PetscBool hasVertex = PETSC_FALSE;
2333: PetscCall(DMPlexGetCellType(dm, p, &ct));
2334: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2335: for (n = 0; n < Nct; ++n) {
2336: if (rct[n] == DM_POLYTOPE_POINT) {
2337: hasVertex = PETSC_TRUE;
2338: break;
2339: }
2340: }
2341: if (hasVertex) {
2342: const PetscScalar *icoords = NULL;
2343: const PetscScalar *array = NULL;
2344: PetscScalar *pcoords = NULL;
2345: PetscBool isDG;
2346: PetscInt Nc, Nv, v, d;
2348: PetscCall(DMPlexGetCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2350: icoords = pcoords;
2351: Nv = Nc / dEo;
2352: if (ct != DM_POLYTOPE_POINT) {
2353: if (localizeVertices && maxCell) {
2354: PetscScalar anchor[3];
2356: for (d = 0; d < dEo; ++d) anchor[d] = pcoords[d];
2357: for (v = 0; v < Nv; ++v) PetscCall(DMLocalizeCoordinate_Internal(dm, dEo, anchor, &pcoords[v * dEo], &pcoords[v * dEo]));
2358: }
2359: }
2360: for (n = 0; n < Nct; ++n) {
2361: if (rct[n] != DM_POLYTOPE_POINT) continue;
2362: for (r = 0; r < rsize[n]; ++r) {
2363: PetscScalar vcoords[3];
2364: PetscInt vNew, off;
2366: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &vNew));
2367: PetscCall(PetscSectionGetOffset(coordSectionNew, vNew, &off));
2368: PetscCall(DMPlexTransformMapCoordinates(tr, ct, rct[n], p, r, Nv, dEo, icoords, vcoords));
2369: PetscCall(DMSnapToGeomModel(dm, p, dE, vcoords, &coordsNew[off]));
2370: }
2371: }
2372: PetscCall(DMPlexRestoreCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2373: }
2374: }
2375: PetscCall(VecRestoreArrayRead(coordsLocal, &coords));
2376: PetscCall(VecRestoreArray(coordsLocalNew, &coordsNew));
2377: PetscCall(DMSetCoordinatesLocal(rdm, coordsLocalNew));
2378: PetscCall(VecDestroy(&coordsLocalNew));
2379: PetscCall(PetscSectionDestroy(&coordSectionNew));
2380: /* Then set coordinates for cells by localizing */
2381: if (!localizeCells) PetscCall(DMLocalizeCoordinates(rdm));
2382: else {
2383: VecType vtype;
2384: PetscInt coordSizeNew, bs;
2385: const char *name;
2387: PetscCall(DMGetCellCoordinatesLocal(dm, &coordsLocalCell));
2388: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalCellNew));
2389: PetscCall(PetscSectionGetStorageSize(coordSectionCellNew, &coordSizeNew));
2390: PetscCall(VecSetSizes(coordsLocalCellNew, coordSizeNew, PETSC_DETERMINE));
2391: PetscCall(PetscObjectGetName((PetscObject)coordsLocalCell, &name));
2392: PetscCall(PetscObjectSetName((PetscObject)coordsLocalCellNew, name));
2393: PetscCall(VecGetBlockSize(coordsLocalCell, &bs));
2394: PetscCall(VecSetBlockSize(coordsLocalCellNew, dEo == dE ? bs : dE));
2395: PetscCall(VecGetType(coordsLocalCell, &vtype));
2396: PetscCall(VecSetType(coordsLocalCellNew, vtype));
2397: PetscCall(VecGetArrayRead(coordsLocalCell, &coords));
2398: PetscCall(VecGetArray(coordsLocalCellNew, &coordsNew));
2400: for (p = pStart; p < pEnd; ++p) {
2401: DMPolytopeType ct;
2402: DMPolytopeType *rct;
2403: PetscInt *rsize, *rcone, *rornt;
2404: PetscInt dof = 0, Nct, n, r;
2406: PetscCall(DMPlexGetCellType(dm, p, &ct));
2407: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2408: if (p >= cStart && p < cEnd) PetscCall(PetscSectionGetDof(coordSectionCell, p, &dof));
2409: if (dof) {
2410: const PetscScalar *pcoords;
2412: PetscCall(DMPlexPointLocalRead(cdmCell, p, coords, &pcoords));
2413: for (n = 0; n < Nct; ++n) {
2414: const PetscInt Nr = rsize[n];
2416: if (DMPolytopeTypeGetDim(ct) != DMPolytopeTypeGetDim(rct[n])) continue;
2417: for (r = 0; r < Nr; ++r) {
2418: PetscInt pNew, offNew;
2420: /* It looks like Stefano and Lisandro are allowing localized coordinates without defining the periodic boundary, which means that
2421: DMLocalizeCoordinate_Internal() will not work. Localized coordinates will have to have obtained by the affine map of the larger
2422: cell to the ones it produces. */
2423: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2424: PetscCall(PetscSectionGetOffset(coordSectionCellNew, pNew, &offNew));
2425: PetscCall(DMPlexTransformMapLocalizedCoordinates(tr, ct, rct[n], r, pcoords, &coordsNew[offNew]));
2426: }
2427: }
2428: }
2429: }
2430: PetscCall(VecRestoreArrayRead(coordsLocalCell, &coords));
2431: PetscCall(VecRestoreArray(coordsLocalCellNew, &coordsNew));
2432: PetscCall(DMSetCellCoordinatesLocal(rdm, coordsLocalCellNew));
2433: PetscCall(VecDestroy(&coordsLocalCellNew));
2434: PetscCall(PetscSectionDestroy(&coordSectionCellNew));
2435: }
2436: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2437: PetscFunctionReturn(PETSC_SUCCESS);
2438: }
2440: /*@
2441: DMPlexTransformApply - Execute the transformation, producing another `DM`
2443: Collective
2445: Input Parameters:
2446: + tr - The `DMPlexTransform` object
2447: - dm - The original `DM`
2449: Output Parameter:
2450: . trdm - The transformed `DM`
2452: Level: intermediate
2454: Options Database Keys:
2455: + -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
2456: . -dm_plex_transform_label_replica_inc num - Increment for the label value to be multiplied by the replica number
2457: - -dm_plex_transform_active name - Name for active mesh label
2459: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformCreate()`, `DMPlexTransformSetDM()`
2460: @*/
2461: PetscErrorCode DMPlexTransformApply(DMPlexTransform tr, DM dm, DM *trdm)
2462: {
2463: DM rdm;
2464: DMPlexInterpolatedFlag interp;
2465: PetscInt pStart, pEnd;
2467: PetscFunctionBegin;
2470: PetscAssertPointer(trdm, 3);
2471: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2472: PetscCall(DMPlexTransformSetDM(tr, dm));
2474: PetscCall(DMCreate(PetscObjectComm((PetscObject)dm), &rdm));
2475: PetscCall(DMSetType(rdm, DMPLEX));
2476: PetscCall(DMPlexTransformSetDimensions(tr, dm, rdm));
2477: /* Calculate number of new points of each depth */
2478: PetscCall(DMPlexIsInterpolatedCollective(dm, &interp));
2479: PetscCheck(interp == DMPLEX_INTERPOLATED_FULL, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be fully interpolated for regular refinement");
2480: /* Step 1: Set chart */
2481: PetscCall(DMPlexTransformGetChart(tr, &pStart, &pEnd));
2482: PetscCall(DMPlexSetChart(rdm, pStart, pEnd));
2483: /* Step 2: Set cone/support sizes (automatically stratifies) */
2484: PetscCall(DMPlexTransformSetConeSizes(tr, rdm));
2485: /* Step 3: Setup refined DM */
2486: PetscCall(DMSetUp(rdm));
2487: /* Step 4: Set cones and supports (automatically symmetrizes) */
2488: PetscCall(DMPlexTransformSetCones(tr, rdm));
2489: /* Step 5: Create pointSF */
2490: PetscCall(DMPlexTransformCreateSF(tr, rdm));
2491: /* Step 6: Create labels */
2492: PetscCall(DMPlexTransformCreateLabels(tr, rdm));
2493: /* Step 7: Set coordinates */
2494: PetscCall(DMPlexTransformSetCoordinates(tr, rdm));
2495: // Do not copy periodicity, which was handled in DMPlexTransformSetCoordinates()
2496: PetscCall(DMPlexCopy_Internal(dm, PETSC_FALSE, PETSC_TRUE, rdm));
2497: // If the original DM was configured from options, the transformed DM should be as well
2498: rdm->setfromoptionscalled = dm->setfromoptionscalled;
2499: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2500: *trdm = rdm;
2501: PetscFunctionReturn(PETSC_SUCCESS);
2502: }
2504: PetscErrorCode DMPlexTransformAdaptLabel(DM dm, PETSC_UNUSED Vec metric, DMLabel adaptLabel, PETSC_UNUSED DMLabel rgLabel, DM *rdm)
2505: {
2506: DMPlexTransform tr;
2507: DM cdm, rcdm;
2508: const char *prefix;
2509: PetscBool save;
2511: PetscFunctionBegin;
2512: PetscCall(DMPlexTransformCreate(PetscObjectComm((PetscObject)dm), &tr));
2513: PetscCall(PetscObjectSetName((PetscObject)tr, "Adapt Label Transform"));
2514: PetscCall(PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix));
2515: PetscCall(PetscObjectSetOptionsPrefix((PetscObject)tr, prefix));
2516: PetscCall(DMPlexTransformSetDM(tr, dm));
2517: PetscCall(DMPlexTransformSetFromOptions(tr));
2518: if (adaptLabel) PetscCall(DMPlexTransformSetActive(tr, adaptLabel));
2519: PetscCall(DMPlexTransformSetUp(tr));
2520: PetscCall(PetscObjectViewFromOptions((PetscObject)tr, NULL, "-dm_plex_transform_view"));
2521: PetscCall(DMPlexTransformApply(tr, dm, rdm));
2522: PetscCall(DMCopyDisc(dm, *rdm));
2523: PetscCall(DMGetCoordinateDM(dm, &cdm));
2524: PetscCall(DMGetCoordinateDM(*rdm, &rcdm));
2525: PetscCall(DMCopyDisc(cdm, rcdm));
2526: PetscCall(DMPlexTransformCreateDiscLabels(tr, *rdm));
2527: PetscCall(DMCopyDisc(dm, *rdm));
2528: PetscCall(DMPlexGetSaveTransform(dm, &save));
2529: if (save) PetscCall(DMPlexSetTransform(*rdm, tr));
2530: PetscCall(DMPlexTransformDestroy(&tr));
2531: ((DM_Plex *)(*rdm)->data)->useHashLocation = ((DM_Plex *)dm->data)->useHashLocation;
2532: PetscFunctionReturn(PETSC_SUCCESS);
2533: }