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: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES, &t->coordFE, DM_NUM_POLYTOPES, &t->refGeom));
174: *tr = t;
175: PetscFunctionReturn(PETSC_SUCCESS);
176: }
178: /*@
179: DMPlexTransformSetType - Sets the particular implementation for a transform.
181: Collective
183: Input Parameters:
184: + tr - The transform
185: - method - The name of the transform type
187: Options Database Key:
188: . -dm_plex_transform_type type - Sets the transform type; see `DMPlexTransformType`
190: Level: intermediate
192: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `DMPlexTransformGetType()`, `DMPlexTransformCreate()`
193: @*/
194: PetscErrorCode DMPlexTransformSetType(DMPlexTransform tr, DMPlexTransformType method)
195: {
196: PetscErrorCode (*r)(DMPlexTransform);
197: PetscBool match;
199: PetscFunctionBegin;
201: PetscCall(PetscObjectTypeCompare((PetscObject)tr, method, &match));
202: if (match) PetscFunctionReturn(PETSC_SUCCESS);
204: PetscCall(DMPlexTransformRegisterAll());
205: PetscCall(PetscFunctionListFind(DMPlexTransformList, method, &r));
206: PetscCheck(r, PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_UNKNOWN_TYPE, "Unknown DMPlexTransform type: %s", method);
208: PetscTryTypeMethod(tr, destroy);
209: PetscCall(PetscMemzero(tr->ops, sizeof(*tr->ops)));
210: PetscCall(PetscObjectChangeTypeName((PetscObject)tr, method));
211: PetscCall((*r)(tr));
212: PetscFunctionReturn(PETSC_SUCCESS);
213: }
215: /*@
216: DMPlexTransformGetType - Gets the type name (as a string) from the transform.
218: Not Collective
220: Input Parameter:
221: . tr - The `DMPlexTransform`
223: Output Parameter:
224: . type - The `DMPlexTransformType` name
226: Level: intermediate
228: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `DMPlexTransformSetType()`, `DMPlexTransformCreate()`
229: @*/
230: PetscErrorCode DMPlexTransformGetType(DMPlexTransform tr, DMPlexTransformType *type)
231: {
232: PetscFunctionBegin;
234: PetscAssertPointer(type, 2);
235: PetscCall(DMPlexTransformRegisterAll());
236: *type = ((PetscObject)tr)->type_name;
237: PetscFunctionReturn(PETSC_SUCCESS);
238: }
240: static PetscErrorCode DMPlexTransformView_Ascii(DMPlexTransform tr, PetscViewer v)
241: {
242: PetscViewerFormat format;
244: PetscFunctionBegin;
245: PetscCall(PetscViewerGetFormat(v, &format));
246: if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) {
247: const PetscInt *trTypes = NULL;
248: IS trIS;
249: PetscInt cols = 8;
250: PetscInt Nrt = 8, f, g;
252: if (tr->trType) PetscCall(DMLabelView(tr->trType, v));
253: PetscCall(PetscViewerASCIIPrintf(v, "Source Starts\n"));
254: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
255: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
256: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->ctStart[f]));
257: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
258: PetscCall(PetscViewerASCIIPrintf(v, "Target Starts\n"));
259: for (g = 0; g <= cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
260: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
261: for (f = 0; f <= cols; ++f) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->ctStartNew[f]));
262: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
264: if (tr->trType) {
265: PetscCall(DMLabelGetNumValues(tr->trType, &Nrt));
266: PetscCall(DMLabelGetValueIS(tr->trType, &trIS));
267: PetscCall(ISGetIndices(trIS, &trTypes));
268: }
269: PetscCall(PetscViewerASCIIPrintf(v, "Offsets\n"));
270: PetscCall(PetscViewerASCIIPrintf(v, " "));
271: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14s", DMPolytopeTypes[g]));
272: PetscCall(PetscViewerASCIIPrintf(v, "\n"));
273: for (f = 0; f < Nrt; ++f) {
274: PetscCall(PetscViewerASCIIPrintf(v, "%2" PetscInt_FMT " |", trTypes ? trTypes[f] : f));
275: for (g = 0; g < cols; ++g) PetscCall(PetscViewerASCIIPrintf(v, " %14" PetscInt_FMT, tr->offset[f * DM_NUM_POLYTOPES + g]));
276: PetscCall(PetscViewerASCIIPrintf(v, " |\n"));
277: }
278: if (tr->trType) {
279: PetscCall(ISRestoreIndices(trIS, &trTypes));
280: PetscCall(ISDestroy(&trIS));
281: }
282: }
283: PetscFunctionReturn(PETSC_SUCCESS);
284: }
286: /*@
287: DMPlexTransformView - Views a `DMPlexTransform`
289: Collective
291: Input Parameters:
292: + tr - the `DMPlexTransform` object to view
293: - v - the viewer
295: Level: beginner
297: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformType`, `PetscViewer`, `DMPlexTransformDestroy()`, `DMPlexTransformCreate()`
298: @*/
299: PetscErrorCode DMPlexTransformView(DMPlexTransform tr, PetscViewer v)
300: {
301: PetscBool isascii;
303: PetscFunctionBegin;
305: if (!v) PetscCall(PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)tr), &v));
307: PetscCheckSameComm(tr, 1, v, 2);
308: PetscCall(PetscViewerCheckWritable(v));
309: PetscCall(PetscObjectPrintClassNamePrefixType((PetscObject)tr, v));
310: PetscCall(PetscObjectTypeCompare((PetscObject)v, PETSCVIEWERASCII, &isascii));
311: if (isascii) PetscCall(DMPlexTransformView_Ascii(tr, v));
312: PetscTryTypeMethod(tr, view, v);
313: PetscFunctionReturn(PETSC_SUCCESS);
314: }
316: /*@
317: DMPlexTransformSetFromOptions - Sets parameters in a transform from values in the options database
319: Collective
321: Input Parameter:
322: . tr - the `DMPlexTransform` object to set options for
324: Options Database Keys:
325: + -dm_plex_transform_type type - Set the transform type, e.g. refine_regular
326: . -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
327: . -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
328: . -dm_plex_transform_active name - Name for active mesh label
329: - -dm_plex_transform_active_values v0,v1,... - Values in the active label
331: Level: intermediate
333: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
334: @*/
335: PetscErrorCode DMPlexTransformSetFromOptions(DMPlexTransform tr)
336: {
337: char typeName[1024], active[PETSC_MAX_PATH_LEN];
338: const char *defName = DMPLEXREFINEREGULAR;
339: PetscBool flg, match;
341: PetscFunctionBegin;
343: PetscObjectOptionsBegin((PetscObject)tr);
344: PetscCall(PetscOptionsFList("-dm_plex_transform_type", "DMPlexTransform", "DMPlexTransformSetType", DMPlexTransformList, defName, typeName, 1024, &flg));
345: if (flg) PetscCall(DMPlexTransformSetType(tr, typeName));
346: else if (!((PetscObject)tr)->type_name) PetscCall(DMPlexTransformSetType(tr, defName));
347: PetscCall(PetscOptionsBool("-dm_plex_transform_label_match_strata", "Only label points of the same stratum as the producing point", "", tr->labelMatchStrata, &match, &flg));
348: if (flg) PetscCall(DMPlexTransformSetMatchStrata(tr, match));
349: 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));
350: PetscCall(PetscOptionsString("-dm_plex_transform_active", "Name for active mesh label", "DMPlexTransformSetActive", active, active, sizeof(active), &flg));
351: if (flg) {
352: DM dm;
353: DMLabel label;
354: PetscInt values[16];
355: PetscInt n = 16;
357: PetscCall(DMPlexTransformGetDM(tr, &dm));
358: PetscCall(DMGetLabel(dm, active, &label));
359: PetscCall(PetscOptionsIntArray("-dm_plex_transform_active_values", "The label values to be active", "DMPlexTransformSetActive", values, &n, &flg));
360: if (flg && n) {
361: DMLabel newlabel;
363: PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Active", &newlabel));
364: for (PetscInt i = 0; i < n; ++i) {
365: IS is;
367: PetscCall(DMLabelGetStratumIS(label, values[i], &is));
368: PetscCall(DMLabelInsertIS(newlabel, is, values[i]));
369: PetscCall(ISDestroy(&is));
370: }
371: PetscCall(DMPlexTransformSetActive(tr, newlabel));
372: PetscCall(DMLabelDestroy(&newlabel));
373: } else {
374: PetscCall(DMPlexTransformSetActive(tr, label));
375: }
376: }
377: PetscTryTypeMethod(tr, setfromoptions, PetscOptionsObject);
378: /* process any options handlers added with PetscObjectAddOptionsHandler() */
379: PetscCall(PetscObjectProcessOptionsHandlers((PetscObject)tr, PetscOptionsObject));
380: PetscOptionsEnd();
381: PetscFunctionReturn(PETSC_SUCCESS);
382: }
384: /*@
385: DMPlexTransformDestroy - Destroys a `DMPlexTransform`
387: Collective
389: Input Parameter:
390: . tr - the transform object to destroy
392: Level: beginner
394: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformView()`, `DMPlexTransformCreate()`
395: @*/
396: PetscErrorCode DMPlexTransformDestroy(DMPlexTransform *tr)
397: {
398: PetscInt c;
400: PetscFunctionBegin;
401: if (!*tr) PetscFunctionReturn(PETSC_SUCCESS);
403: if (--((PetscObject)*tr)->refct > 0) {
404: *tr = NULL;
405: PetscFunctionReturn(PETSC_SUCCESS);
406: }
408: PetscTryTypeMethod(*tr, destroy);
409: PetscCall(DMDestroy(&(*tr)->dm));
410: PetscCall(DMLabelDestroy(&(*tr)->active));
411: PetscCall(DMLabelDestroy(&(*tr)->trType));
412: PetscCall(PetscFree2((*tr)->ctOrderOld, (*tr)->ctOrderInvOld));
413: PetscCall(PetscFree2((*tr)->ctOrderNew, (*tr)->ctOrderInvNew));
414: PetscCall(PetscFree2((*tr)->ctStart, (*tr)->ctStartNew));
415: PetscCall(PetscFree((*tr)->offset));
416: PetscCall(PetscFree2((*tr)->depthStart, (*tr)->depthEnd));
417: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
418: PetscCall(PetscFEDestroy(&(*tr)->coordFE[c]));
419: PetscCall(PetscFEGeomDestroy(&(*tr)->refGeom[c]));
420: }
421: if ((*tr)->trVerts) {
422: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
423: DMPolytopeType *rct;
424: PetscInt *rsize, *rcone, *rornt, Nct, n, r;
426: if (DMPolytopeTypeGetDim((DMPolytopeType)c) > 0 && c != DM_POLYTOPE_UNKNOWN_CELL && c != DM_POLYTOPE_UNKNOWN_FACE) {
427: PetscCall(DMPlexTransformCellTransform(*tr, (DMPolytopeType)c, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
428: for (n = 0; n < Nct; ++n) {
429: if (rct[n] == DM_POLYTOPE_POINT) continue;
430: for (r = 0; r < rsize[n]; ++r) PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]][r]));
431: PetscCall(PetscFree((*tr)->trSubVerts[c][rct[n]]));
432: }
433: }
434: PetscCall(PetscFree((*tr)->trSubVerts[c]));
435: PetscCall(PetscFree((*tr)->trVerts[c]));
436: }
437: }
438: PetscCall(PetscFree3((*tr)->trNv, (*tr)->trVerts, (*tr)->trSubVerts));
439: PetscCall(PetscFree2((*tr)->coordFE, (*tr)->refGeom));
440: /* We do not destroy (*dm)->data here so that we can reference count backend objects */
441: PetscCall(PetscHeaderDestroy(tr));
442: PetscFunctionReturn(PETSC_SUCCESS);
443: }
445: static PetscErrorCode DMPlexTransformCreateOffset_Internal(DMPlexTransform tr, PetscInt ctOrderOld[], PetscInt ctStart[], PetscInt **offset)
446: {
447: DMLabel trType = tr->trType;
448: PetscInt c, cN, *off;
450: PetscFunctionBegin;
451: if (trType) {
452: DM dm;
453: IS rtIS;
454: const PetscInt *reftypes;
455: PetscInt Nrt, r;
457: PetscCall(DMPlexTransformGetDM(tr, &dm));
458: PetscCall(DMLabelGetNumValues(trType, &Nrt));
459: PetscCall(DMLabelGetValueIS(trType, &rtIS));
460: PetscCall(ISGetIndices(rtIS, &reftypes));
461: PetscCall(PetscCalloc1(Nrt * DM_NUM_POLYTOPES, &off));
462: for (r = 0; r < Nrt; ++r) {
463: const PetscInt rt = reftypes[r];
464: IS rtIS;
465: const PetscInt *points;
466: DMPolytopeType ct;
467: PetscInt np, p;
469: PetscCall(DMLabelGetStratumIS(trType, rt, &rtIS));
470: PetscCall(ISGetLocalSize(rtIS, &np));
471: PetscCall(ISGetIndices(rtIS, &points));
472: if (!np) continue;
473: p = points[0];
474: PetscCall(ISRestoreIndices(rtIS, &points));
475: PetscCall(ISDestroy(&rtIS));
476: PetscCall(DMPlexGetCellType(dm, p, &ct));
477: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
478: const DMPolytopeType ctNew = (DMPolytopeType)cN;
479: DMPolytopeType *rct;
480: PetscInt *rsize, *cone, *ornt;
481: PetscInt Nct, n, s;
483: if (DMPolytopeTypeGetDim(ct) < 0 || DMPolytopeTypeGetDim(ctNew) < 0) {
484: off[r * DM_NUM_POLYTOPES + ctNew] = -1;
485: break;
486: }
487: off[r * DM_NUM_POLYTOPES + ctNew] = 0;
488: for (s = 0; s <= r; ++s) {
489: const PetscInt st = reftypes[s];
490: DMPolytopeType sct;
491: PetscInt q, qrt;
493: PetscCall(DMLabelGetStratumIS(trType, st, &rtIS));
494: PetscCall(ISGetLocalSize(rtIS, &np));
495: PetscCall(ISGetIndices(rtIS, &points));
496: if (!np) continue;
497: q = points[0];
498: PetscCall(ISRestoreIndices(rtIS, &points));
499: PetscCall(ISDestroy(&rtIS));
500: PetscCall(DMPlexGetCellType(dm, q, &sct));
501: PetscCall(DMPlexTransformCellTransform(tr, sct, q, &qrt, &Nct, &rct, &rsize, &cone, &ornt));
502: 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);
503: if (st == rt) {
504: for (n = 0; n < Nct; ++n)
505: if (rct[n] == ctNew) break;
506: if (n == Nct) off[r * DM_NUM_POLYTOPES + ctNew] = -1;
507: break;
508: }
509: for (n = 0; n < Nct; ++n) {
510: if (rct[n] == ctNew) {
511: PetscInt sn;
513: PetscCall(DMLabelGetStratumSize(trType, st, &sn));
514: off[r * DM_NUM_POLYTOPES + ctNew] += sn * rsize[n];
515: }
516: }
517: }
518: }
519: }
520: PetscCall(ISRestoreIndices(rtIS, &reftypes));
521: PetscCall(ISDestroy(&rtIS));
522: } else {
523: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES * DM_NUM_POLYTOPES, &off));
524: for (c = DM_POLYTOPE_POINT; c < DM_NUM_POLYTOPES; ++c) {
525: const DMPolytopeType ct = (DMPolytopeType)c;
526: for (cN = DM_POLYTOPE_POINT; cN < DM_NUM_POLYTOPES; ++cN) {
527: const DMPolytopeType ctNew = (DMPolytopeType)cN;
528: DMPolytopeType *rct;
529: PetscInt *rsize, *cone, *ornt;
530: PetscInt Nct, n, i;
532: 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) {
533: off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
534: continue;
535: }
536: off[ct * DM_NUM_POLYTOPES + ctNew] = 0;
537: for (i = DM_POLYTOPE_POINT; i < DM_NUM_POLYTOPES; ++i) {
538: const DMPolytopeType ict = (DMPolytopeType)ctOrderOld[i];
539: const DMPolytopeType ictn = (DMPolytopeType)ctOrderOld[i + 1];
541: PetscCall(DMPlexTransformCellTransform(tr, ict, PETSC_DETERMINE, NULL, &Nct, &rct, &rsize, &cone, &ornt));
542: if (ict == ct) {
543: for (n = 0; n < Nct; ++n)
544: if (rct[n] == ctNew) break;
545: if (n == Nct) off[ct * DM_NUM_POLYTOPES + ctNew] = -1;
546: break;
547: }
548: for (n = 0; n < Nct; ++n)
549: if (rct[n] == ctNew) off[ct * DM_NUM_POLYTOPES + ctNew] += (ctStart[ictn] - ctStart[ict]) * rsize[n];
550: }
551: }
552: }
553: }
554: *offset = off;
555: PetscFunctionReturn(PETSC_SUCCESS);
556: }
558: /*@
559: DMPlexTransformSetUp - Create the tables that drive the transform
561: Input Parameter:
562: . tr - The `DMPlexTransform` object
564: Level: intermediate
566: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
567: @*/
568: PetscErrorCode DMPlexTransformSetUp(DMPlexTransform tr)
569: {
570: DMPolytopeType ctCell;
571: DM dm;
572: PetscInt pStart, pEnd, p, c, celldim = 0;
574: PetscFunctionBegin;
576: if (tr->setupcalled) PetscFunctionReturn(PETSC_SUCCESS);
577: PetscCall(DMPlexTransformGetDM(tr, &dm));
578: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
579: PetscTryTypeMethod(tr, setup);
580: PetscCall(DMSetSnapToGeomModel(dm, NULL));
581: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
583: if (pEnd > pStart) {
584: // Ignore cells hanging off of embedded surfaces
585: PetscInt c = pStart;
587: ctCell = DM_POLYTOPE_FV_GHOST;
588: while (DMPolytopeTypeGetDim(ctCell) < 0) PetscCall(DMPlexGetCellType(dm, c++, &ctCell));
589: } else {
590: PetscInt dim;
592: PetscCall(DMGetDimension(dm, &dim));
593: switch (dim) {
594: case 0:
595: ctCell = DM_POLYTOPE_POINT;
596: break;
597: case 1:
598: ctCell = DM_POLYTOPE_SEGMENT;
599: break;
600: case 2:
601: ctCell = DM_POLYTOPE_TRIANGLE;
602: break;
603: case 3:
604: ctCell = DM_POLYTOPE_TETRAHEDRON;
605: break;
606: default:
607: ctCell = DM_POLYTOPE_UNKNOWN;
608: }
609: }
610: PetscCall(DMPlexCreateCellTypeOrder_Internal(dm, DMPolytopeTypeGetDim(ctCell), &tr->ctOrderOld, &tr->ctOrderInvOld));
611: for (p = pStart; p < pEnd; ++p) {
612: DMPolytopeType ct;
613: DMPolytopeType *rct;
614: PetscInt *rsize, *cone, *ornt;
615: PetscInt Nct, n;
617: PetscCall(DMPlexGetCellType(dm, p, &ct));
618: 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);
619: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
620: for (n = 0; n < Nct; ++n) celldim = PetscMax(celldim, DMPolytopeTypeGetDim(rct[n]));
621: }
622: PetscCall(DMPlexCreateCellTypeOrder_Internal(NULL, celldim, &tr->ctOrderNew, &tr->ctOrderInvNew));
623: /* Construct sizes and offsets for each cell type */
624: if (!tr->ctStart) {
625: PetscInt *ctS, *ctSN, *ctC, *ctCN;
627: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctS, DM_NUM_POLYTOPES + 1, &ctSN));
628: PetscCall(PetscCalloc2(DM_NUM_POLYTOPES + 1, &ctC, DM_NUM_POLYTOPES + 1, &ctCN));
629: for (p = pStart; p < pEnd; ++p) {
630: DMPolytopeType ct;
631: DMPolytopeType *rct;
632: PetscInt *rsize, *cone, *ornt;
633: PetscInt Nct, n;
635: PetscCall(DMPlexGetCellType(dm, p, &ct));
636: 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);
637: ++ctC[ct];
638: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &cone, &ornt));
639: for (n = 0; n < Nct; ++n) ctCN[rct[n]] += rsize[n];
640: }
641: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
642: const PetscInt cto = tr->ctOrderOld[c];
643: const PetscInt cton = tr->ctOrderOld[c + 1];
644: const PetscInt ctn = tr->ctOrderNew[c];
645: const PetscInt ctnn = tr->ctOrderNew[c + 1];
647: ctS[cton] = ctS[cto] + ctC[cto];
648: ctSN[ctnn] = ctSN[ctn] + ctCN[ctn];
649: }
650: PetscCall(PetscFree2(ctC, ctCN));
651: tr->ctStart = ctS;
652: tr->ctStartNew = ctSN;
653: }
654: PetscCall(DMPlexTransformCreateOffset_Internal(tr, tr->ctOrderOld, tr->ctStart, &tr->offset));
655: // Compute depth information
656: tr->depth = -1;
657: for (c = 0; c < DM_NUM_POLYTOPES; ++c)
658: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] > tr->ctStartNew[tr->ctOrderNew[c]]) tr->depth = PetscMax(tr->depth, DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]));
659: PetscCall(PetscMalloc2(tr->depth + 1, &tr->depthStart, tr->depth + 1, &tr->depthEnd));
660: for (PetscInt d = 0; d <= tr->depth; ++d) {
661: tr->depthStart[d] = PETSC_INT_MAX;
662: tr->depthEnd[d] = -1;
663: }
664: for (c = 0; c < DM_NUM_POLYTOPES; ++c) {
665: const PetscInt dep = DMPolytopeTypeGetDim((DMPolytopeType)tr->ctOrderNew[c]);
667: if (tr->ctStartNew[tr->ctOrderNew[c + 1]] <= tr->ctStartNew[tr->ctOrderNew[c]]) continue;
668: tr->depthStart[dep] = PetscMin(tr->depthStart[dep], tr->ctStartNew[tr->ctOrderNew[c]]);
669: tr->depthEnd[dep] = PetscMax(tr->depthEnd[dep], tr->ctStartNew[tr->ctOrderNew[c + 1]]);
670: }
671: tr->setupcalled = PETSC_TRUE;
672: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetUp, tr, dm, 0, 0));
673: PetscFunctionReturn(PETSC_SUCCESS);
674: }
676: /*@
677: DMPlexTransformGetDM - Get the base `DM` for the transform
679: Input Parameter:
680: . tr - The `DMPlexTransform` object
682: Output Parameter:
683: . dm - The original `DM` which will be transformed
685: Level: intermediate
687: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
688: @*/
689: PetscErrorCode DMPlexTransformGetDM(DMPlexTransform tr, DM *dm)
690: {
691: PetscFunctionBegin;
693: PetscAssertPointer(dm, 2);
694: *dm = tr->dm;
695: PetscFunctionReturn(PETSC_SUCCESS);
696: }
698: /*@
699: DMPlexTransformSetDM - Set the base `DM` for the transform
701: Input Parameters:
702: + tr - The `DMPlexTransform` object
703: - dm - The original `DM` which will be transformed
705: Level: intermediate
707: Note:
708: The user does not typically call this, as it is called by `DMPlexTransformApply()`.
710: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetDM()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
711: @*/
712: PetscErrorCode DMPlexTransformSetDM(DMPlexTransform tr, DM dm)
713: {
714: PetscFunctionBegin;
717: PetscCall(PetscObjectReference((PetscObject)dm));
718: PetscCall(DMDestroy(&tr->dm));
719: tr->dm = dm;
720: PetscFunctionReturn(PETSC_SUCCESS);
721: }
723: /*@
724: DMPlexTransformGetActive - Get the `DMLabel` marking the active points for the transform
726: Input Parameter:
727: . tr - The `DMPlexTransform` object
729: Output Parameter:
730: . active - The `DMLabel` indicating which points will be transformed
732: Level: intermediate
734: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
735: @*/
736: PetscErrorCode DMPlexTransformGetActive(DMPlexTransform tr, DMLabel *active)
737: {
738: PetscFunctionBegin;
740: PetscAssertPointer(active, 2);
741: *active = tr->active;
742: PetscFunctionReturn(PETSC_SUCCESS);
743: }
745: /*@
746: DMPlexTransformSetActive - Set the `DMLabel` marking the active points for the transform
748: Input Parameters:
749: + tr - The `DMPlexTransform` object
750: - active - The `DMLabel` indicating which points will be transformed
752: Level: intermediate
754: Note:
755: This only applies to transforms listed in [](plex_transform_table) that operate on a subset of the mesh.
757: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
758: @*/
759: PetscErrorCode DMPlexTransformSetActive(DMPlexTransform tr, DMLabel active)
760: {
761: PetscFunctionBegin;
764: PetscCall(PetscObjectReference((PetscObject)active));
765: PetscCall(DMLabelDestroy(&tr->active));
766: tr->active = active;
767: PetscFunctionReturn(PETSC_SUCCESS);
768: }
770: /*@
771: DMPlexTransformGetTransformTypes - Get the `DMLabel` marking the transform type of each point for the transform
773: Input Parameter:
774: . tr - The `DMPlexTransform` object
776: Output Parameter:
777: . trType - The `DMLabel` indicating the transform type for each point
779: Level: intermediate
781: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexSetTransformType()`, `DMPlexTransformGetActive()`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
782: @*/
783: PetscErrorCode DMPlexTransformGetTransformTypes(DMPlexTransform tr, DMLabel *trType)
784: {
785: PetscFunctionBegin;
787: PetscAssertPointer(trType, 2);
788: *trType = tr->trType;
789: PetscFunctionReturn(PETSC_SUCCESS);
790: }
792: /*@
793: DMPlexTransformSetTransformTypes - Set the `DMLabel` marking the transform type of each point for the transform
795: Input Parameters:
796: + tr - The `DMPlexTransform` object
797: - trType - The original `DM` which will be transformed
799: Level: intermediate
801: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetTransformTypes()`, `DMPlexTransformGetActive())`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
802: @*/
803: PetscErrorCode DMPlexTransformSetTransformTypes(DMPlexTransform tr, DMLabel trType)
804: {
805: PetscFunctionBegin;
808: PetscCall(PetscObjectReference((PetscObject)trType));
809: PetscCall(DMLabelDestroy(&tr->trType));
810: tr->trType = trType;
811: PetscFunctionReturn(PETSC_SUCCESS);
812: }
814: static PetscErrorCode DMPlexTransformGetCoordinateFE(DMPlexTransform tr, DMPolytopeType ct, PetscFE *fe)
815: {
816: PetscFunctionBegin;
817: if (!tr->coordFE[ct]) {
818: PetscInt dim, cdim;
820: dim = DMPolytopeTypeGetDim(ct);
821: PetscCall(DMGetCoordinateDim(tr->dm, &cdim));
822: PetscCall(PetscFECreateLagrangeByCell(PETSC_COMM_SELF, dim, cdim, ct, 1, PETSC_DETERMINE, &tr->coordFE[ct]));
823: {
824: PetscDualSpace dsp;
825: PetscQuadrature quad;
826: DM K;
827: PetscFEGeom *cg;
828: PetscScalar *Xq;
829: PetscReal *xq, *wq;
830: PetscInt Nq, q;
832: PetscCall(DMPlexTransformGetCellVertices(tr, ct, &Nq, &Xq));
833: PetscCall(PetscMalloc1(Nq * cdim, &xq));
834: for (q = 0; q < Nq * cdim; ++q) xq[q] = PetscRealPart(Xq[q]);
835: PetscCall(PetscMalloc1(Nq, &wq));
836: for (q = 0; q < Nq; ++q) wq[q] = 1.0;
837: PetscCall(PetscQuadratureCreate(PETSC_COMM_SELF, &quad));
838: PetscCall(PetscQuadratureSetData(quad, dim, 1, Nq, xq, wq));
839: PetscCall(PetscFESetQuadrature(tr->coordFE[ct], quad));
841: PetscCall(PetscFEGetDualSpace(tr->coordFE[ct], &dsp));
842: PetscCall(PetscDualSpaceGetDM(dsp, &K));
843: PetscCall(PetscFEGeomCreate(quad, 1, cdim, PETSC_FEGEOM_BASIC, &tr->refGeom[ct]));
844: cg = tr->refGeom[ct];
845: PetscCall(DMPlexComputeCellGeometryFEM(K, 0, NULL, cg->v, cg->J, cg->invJ, cg->detJ));
846: PetscCall(PetscQuadratureDestroy(&quad));
847: }
848: }
849: *fe = tr->coordFE[ct];
850: PetscFunctionReturn(PETSC_SUCCESS);
851: }
853: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform tr, DM dm, DM tdm)
854: {
855: PetscInt dim, cdim;
857: PetscFunctionBegin;
858: PetscCall(DMGetDimension(dm, &dim));
859: PetscCall(DMSetDimension(tdm, dim));
860: PetscCall(DMGetCoordinateDim(dm, &cdim));
861: PetscCall(DMSetCoordinateDim(tdm, cdim));
862: PetscFunctionReturn(PETSC_SUCCESS);
863: }
865: /*@
866: DMPlexTransformSetDimensions - Set the dimensions for the transformed `DM`
868: Input Parameters:
869: + tr - The `DMPlexTransform` object
870: - dm - The original `DM`
872: Output Parameter:
873: . trdm - The transformed `DM`
875: Level: advanced
877: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
878: @*/
879: PetscErrorCode DMPlexTransformSetDimensions(DMPlexTransform tr, DM dm, DM trdm)
880: {
881: PetscFunctionBegin;
882: PetscUseTypeMethod(tr, setdimensions, dm, trdm);
883: PetscFunctionReturn(PETSC_SUCCESS);
884: }
886: PetscErrorCode DMPlexTransformGetChart(DMPlexTransform tr, PetscInt *pStart, PetscInt *pEnd)
887: {
888: PetscFunctionBegin;
889: if (pStart) *pStart = 0;
890: if (pEnd) *pEnd = tr->ctStartNew[tr->ctOrderNew[DM_NUM_POLYTOPES]];
891: PetscFunctionReturn(PETSC_SUCCESS);
892: }
894: PetscErrorCode DMPlexTransformGetCellType(DMPlexTransform tr, PetscInt cell, DMPolytopeType *celltype)
895: {
896: PetscInt ctNew;
898: PetscFunctionBegin;
900: PetscAssertPointer(celltype, 3);
901: /* TODO Can do bisection since everything is sorted */
902: for (ctNew = DM_POLYTOPE_POINT; ctNew < DM_NUM_POLYTOPES; ++ctNew) {
903: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
905: if (cell >= ctSN && cell < ctEN) break;
906: }
907: PetscCheck(ctNew < DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point %" PetscInt_FMT " cannot be located in the transformed mesh", cell);
908: *celltype = (DMPolytopeType)ctNew;
909: PetscFunctionReturn(PETSC_SUCCESS);
910: }
912: PetscErrorCode DMPlexTransformGetCellTypeStratum(DMPlexTransform tr, DMPolytopeType celltype, PetscInt *start, PetscInt *end)
913: {
914: PetscFunctionBegin;
916: if (start) *start = tr->ctStartNew[celltype];
917: if (end) *end = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[celltype] + 1]];
918: PetscFunctionReturn(PETSC_SUCCESS);
919: }
921: PetscErrorCode DMPlexTransformGetDepth(DMPlexTransform tr, PetscInt *depth)
922: {
923: PetscFunctionBegin;
925: *depth = tr->depth;
926: PetscFunctionReturn(PETSC_SUCCESS);
927: }
929: PetscErrorCode DMPlexTransformGetDepthStratum(DMPlexTransform tr, PetscInt depth, PetscInt *start, PetscInt *end)
930: {
931: PetscFunctionBegin;
933: if (start) *start = tr->depthStart[depth];
934: if (end) *end = tr->depthEnd[depth];
935: PetscFunctionReturn(PETSC_SUCCESS);
936: }
938: /*@
939: DMPlexTransformGetMatchStrata - Get the flag which determines what points get added to the transformed labels
941: Not Collective
943: Input Parameter:
944: . tr - The `DMPlexTransform`
946: Output Parameter:
947: . match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
949: Level: intermediate
951: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformSetMatchStrata()`, `DMPlexGetPointDepth()`
952: @*/
953: PetscErrorCode DMPlexTransformGetMatchStrata(DMPlexTransform tr, PetscBool *match)
954: {
955: PetscFunctionBegin;
957: PetscAssertPointer(match, 2);
958: *match = tr->labelMatchStrata;
959: PetscFunctionReturn(PETSC_SUCCESS);
960: }
962: /*@
963: DMPlexTransformSetMatchStrata - Set the flag which determines what points get added to the transformed labels
965: Not Collective
967: Input Parameters:
968: + tr - The `DMPlexTransform`
969: - match - If `PETSC_TRUE`, only add produced points at the same stratum as the original point to new labels
971: Level: intermediate
973: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformGetMatchStrata()`, `DMPlexGetPointDepth()`
974: @*/
975: PetscErrorCode DMPlexTransformSetMatchStrata(DMPlexTransform tr, PetscBool match)
976: {
977: PetscFunctionBegin;
979: tr->labelMatchStrata = match;
980: PetscFunctionReturn(PETSC_SUCCESS);
981: }
983: /*@
984: DMPlexTransformGetTargetPoint - Get the number of a point in the transformed mesh based on information from the original mesh.
986: Not Collective
988: Input Parameters:
989: + tr - The `DMPlexTransform`
990: . ct - The type of the original point which produces the new point
991: . ctNew - The type of the new point
992: . p - The original point which produces the new point
993: - r - The replica number of the new point, meaning it is the rth point of type `ctNew` produced from `p`
995: Output Parameter:
996: . pNew - The new point number
998: Level: developer
1000: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSourcePoint()`, `DMPlexTransformCellTransform()`
1001: @*/
1002: PetscErrorCode DMPlexTransformGetTargetPoint(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType ctNew, PetscInt p, PetscInt r, PetscInt *pNew)
1003: {
1004: DMPolytopeType *rct;
1005: PetscInt *rsize, *cone, *ornt;
1006: PetscInt rt, Nct, n, off, rp;
1007: DMLabel trType = tr->trType;
1008: PetscInt ctS = tr->ctStart[ct], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ct] + 1]];
1009: PetscInt ctSN = tr->ctStartNew[ctNew], ctEN = tr->ctStartNew[tr->ctOrderNew[tr->ctOrderInvNew[ctNew] + 1]];
1010: PetscInt newp = ctSN, cind;
1012: PetscFunctionBeginHot;
1013: 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);
1014: PetscCall(DMPlexTransformCellTransform(tr, ct, p, &rt, &Nct, &rct, &rsize, &cone, &ornt));
1015: if (trType) {
1016: PetscCall(DMLabelGetValueIndex(trType, rt, &cind));
1017: PetscCall(DMLabelGetStratumPointIndex(trType, rt, p, &rp));
1018: 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);
1019: } else {
1020: cind = ct;
1021: rp = p - ctS;
1022: }
1023: off = tr->offset[cind * DM_NUM_POLYTOPES + ctNew];
1024: 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);
1025: newp += off;
1026: for (n = 0; n < Nct; ++n) {
1027: if (rct[n] == ctNew) {
1028: if (rsize[n] && r >= rsize[n])
1029: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number %" PetscInt_FMT " should be in [0, %" PetscInt_FMT ") for subcell type %s in cell type %s", r, rsize[n], DMPolytopeTypes[rct[n]], DMPolytopeTypes[ct]);
1030: newp += rp * rsize[n] + r;
1031: break;
1032: }
1033: }
1035: 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);
1036: *pNew = newp;
1037: PetscFunctionReturn(PETSC_SUCCESS);
1038: }
1040: /*@
1041: DMPlexTransformGetSourcePoint - Get the number of a point in the original mesh based on information from the transformed mesh.
1043: Not Collective
1045: Input Parameters:
1046: + tr - The `DMPlexTransform`
1047: - pNew - The new point number
1049: Output Parameters:
1050: + ct - The type of the original point which produces the new point
1051: . ctNew - The type of the new point
1052: . p - The original point which produces the new point
1053: - r - The replica number of the new point, meaning it is the rth point of type ctNew produced from p
1055: Level: developer
1057: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetTargetPoint()`, `DMPlexTransformCellTransform()`
1058: @*/
1059: PetscErrorCode DMPlexTransformGetSourcePoint(DMPlexTransform tr, PetscInt pNew, DMPolytopeType *ct, DMPolytopeType *ctNew, PetscInt *p, PetscInt *r)
1060: {
1061: DMLabel trType = tr->trType;
1062: DMPolytopeType *rct, ctN;
1063: PetscInt *rsize, *cone, *ornt;
1064: PetscInt rt = -1, rtTmp, Nct, n, rp = 0, rO = 0, pO;
1065: PetscInt offset = -1, ctS, ctE, ctO = 0, ctTmp, rtS;
1067: PetscFunctionBegin;
1068: PetscCall(DMPlexTransformGetCellType(tr, pNew, &ctN));
1069: if (trType) {
1070: DM dm;
1071: IS rtIS;
1072: const PetscInt *reftypes;
1073: PetscInt Nrt, r, rtStart;
1075: PetscCall(DMPlexTransformGetDM(tr, &dm));
1076: PetscCall(DMLabelGetNumValues(trType, &Nrt));
1077: PetscCall(DMLabelGetValueIS(trType, &rtIS));
1078: PetscCall(ISGetIndices(rtIS, &reftypes));
1079: for (r = 0; r < Nrt; ++r) {
1080: const PetscInt off = tr->offset[r * DM_NUM_POLYTOPES + ctN];
1082: if (tr->ctStartNew[ctN] + off > pNew) continue;
1083: /* Check that any of this refinement type exist */
1084: /* TODO Actually keep track of the number produced here instead */
1085: if (off > offset) {
1086: rt = reftypes[r];
1087: offset = off;
1088: }
1089: }
1090: PetscCall(ISRestoreIndices(rtIS, &reftypes));
1091: PetscCall(ISDestroy(&rtIS));
1092: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1093: /* TODO Map refinement types to cell types */
1094: PetscCall(DMLabelGetStratumBounds(trType, rt, &rtStart, NULL));
1095: PetscCheck(rtStart >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Refinement type %" PetscInt_FMT " has no source points", rt);
1096: for (ctO = 0; ctO < DM_NUM_POLYTOPES; ++ctO) {
1097: PetscInt ctS = tr->ctStart[ctO], ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1099: if ((rtStart >= ctS) && (rtStart < ctE)) break;
1100: }
1101: PetscCheck(ctO != DM_NUM_POLYTOPES, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Could not determine a cell type for refinement type %" PetscInt_FMT, rt);
1102: } else {
1103: for (ctTmp = 0; ctTmp < DM_NUM_POLYTOPES; ++ctTmp) {
1104: const PetscInt off = tr->offset[ctTmp * DM_NUM_POLYTOPES + ctN];
1106: if (tr->ctStartNew[ctN] + off > pNew) continue;
1107: if (tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctTmp] + 1]] <= tr->ctStart[ctTmp]) continue;
1108: /* TODO Actually keep track of the number produced here instead */
1109: if (off > offset) {
1110: ctO = ctTmp;
1111: offset = off;
1112: }
1113: }
1114: rt = -1;
1115: PetscCheck(offset >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Source cell type for target point %" PetscInt_FMT " could be not found", pNew);
1116: }
1117: ctS = tr->ctStart[ctO];
1118: ctE = tr->ctStart[tr->ctOrderOld[tr->ctOrderInvOld[ctO] + 1]];
1119: if (trType) {
1120: for (rtS = ctS; rtS < ctE; ++rtS) {
1121: PetscInt val;
1122: PetscCall(DMLabelGetValue(trType, rtS, &val));
1123: if (val == rt) break;
1124: }
1125: 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);
1126: } else rtS = ctS;
1127: PetscCall(DMPlexTransformCellTransform(tr, (DMPolytopeType)ctO, rtS, &rtTmp, &Nct, &rct, &rsize, &cone, &ornt));
1128: 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);
1129: for (n = 0; n < Nct; ++n) {
1130: if (rct[n] == ctN) {
1131: PetscInt tmp = pNew - tr->ctStartNew[ctN] - offset, val, c;
1133: if (trType) {
1134: for (c = ctS; c < ctE; ++c) {
1135: PetscCall(DMLabelGetValue(trType, c, &val));
1136: if (val == rt) {
1137: if (tmp < rsize[n]) break;
1138: tmp -= rsize[n];
1139: }
1140: }
1141: PetscCheck(c < ctE, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Parent point for target point %" PetscInt_FMT " could be not found", pNew);
1142: rp = c - ctS;
1143: rO = tmp;
1144: } else {
1145: // This assumes that all points of type ctO transform the same way
1146: rp = tmp / rsize[n];
1147: rO = tmp % rsize[n];
1148: }
1149: break;
1150: }
1151: }
1152: PetscCheck(n != Nct, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Replica number for target point %" PetscInt_FMT " could be not found", pNew);
1153: pO = rp + ctS;
1154: 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);
1155: if (ct) *ct = (DMPolytopeType)ctO;
1156: if (ctNew) *ctNew = ctN;
1157: if (p) *p = pO;
1158: if (r) *r = rO;
1159: PetscFunctionReturn(PETSC_SUCCESS);
1160: }
1162: /*@
1163: DMPlexTransformCellTransform - Describes the transform of a given source cell into a set of other target cells. These produced cells become the new mesh.
1165: Input Parameters:
1166: + tr - The `DMPlexTransform` object
1167: . source - The source cell type
1168: - p - The source point, which can also determine the refine type
1170: Output Parameters:
1171: + rt - The refine type for this point
1172: . Nt - The number of types produced by this point
1173: . target - An array of length `Nt` giving the types produced
1174: . size - An array of length `Nt` giving the number of cells of each type produced
1175: . cone - An array of length `Nt`*size[t]*coneSize[t] giving the cell type for each point in the cone of each produced point
1176: - ornt - An array of length `Nt`*size[t]*coneSize[t] giving the orientation for each point in the cone of each produced point
1178: Level: advanced
1180: Notes:
1181: The cone array gives the cone of each subcell listed by the first three outputs. For each cone point, we
1182: need the cell type, point identifier, and orientation within the subcell. The orientation is with respect to the canonical
1183: division (described in these outputs) of the cell in the original mesh. The point identifier is given by
1184: .vb
1185: the number of cones to be taken, or 0 for the current cell
1186: the cell cone point number at each level from which it is subdivided
1187: the replica number r of the subdivision.
1188: .ve
1189: The orientation is with respect to the canonical cone orientation. For example, the prescription for edge division is
1190: .vb
1191: Nt = 2
1192: target = {DM_POLYTOPE_POINT, DM_POLYTOPE_SEGMENT}
1193: size = {1, 2}
1194: cone = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0}
1195: ornt = { 0, 0, 0, 0}
1196: .ve
1198: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`, `DMPlexTransformCreate()`
1199: @*/
1200: PetscErrorCode DMPlexTransformCellTransform(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1201: {
1202: PetscFunctionBegin;
1203: PetscUseTypeMethod(tr, celltransform, source, p, rt, Nt, target, size, cone, ornt);
1204: PetscFunctionReturn(PETSC_SUCCESS);
1205: }
1207: PetscErrorCode DMPlexTransformGetSubcellOrientationIdentity(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1208: {
1209: PetscFunctionBegin;
1210: *rnew = r;
1211: *onew = DMPolytopeTypeComposeOrientation(tct, o, so);
1212: PetscFunctionReturn(PETSC_SUCCESS);
1213: }
1215: /* Returns the same thing */
1216: PetscErrorCode DMPlexTransformCellTransformIdentity(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
1217: {
1218: static DMPolytopeType vertexT[] = {DM_POLYTOPE_POINT};
1219: static PetscInt vertexS[] = {1};
1220: static PetscInt vertexC[] = {0};
1221: static PetscInt vertexO[] = {0};
1222: static DMPolytopeType edgeT[] = {DM_POLYTOPE_SEGMENT};
1223: static PetscInt edgeS[] = {1};
1224: static PetscInt edgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1225: static PetscInt edgeO[] = {0, 0};
1226: static DMPolytopeType tedgeT[] = {DM_POLYTOPE_POINT_PRISM_TENSOR};
1227: static PetscInt tedgeS[] = {1};
1228: static PetscInt tedgeC[] = {DM_POLYTOPE_POINT, 1, 0, 0, DM_POLYTOPE_POINT, 1, 1, 0};
1229: static PetscInt tedgeO[] = {0, 0};
1230: static DMPolytopeType triT[] = {DM_POLYTOPE_TRIANGLE};
1231: static PetscInt triS[] = {1};
1232: static PetscInt triC[] = {DM_POLYTOPE_SEGMENT, 1, 0, 0, DM_POLYTOPE_SEGMENT, 1, 1, 0, DM_POLYTOPE_SEGMENT, 1, 2, 0};
1233: static PetscInt triO[] = {0, 0, 0};
1234: static DMPolytopeType quadT[] = {DM_POLYTOPE_QUADRILATERAL};
1235: static PetscInt quadS[] = {1};
1236: 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};
1237: static PetscInt quadO[] = {0, 0, 0, 0};
1238: static DMPolytopeType tquadT[] = {DM_POLYTOPE_SEG_PRISM_TENSOR};
1239: static PetscInt tquadS[] = {1};
1240: 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};
1241: static PetscInt tquadO[] = {0, 0, 0, 0};
1242: static DMPolytopeType tetT[] = {DM_POLYTOPE_TETRAHEDRON};
1243: static PetscInt tetS[] = {1};
1244: 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};
1245: static PetscInt tetO[] = {0, 0, 0, 0};
1246: static DMPolytopeType hexT[] = {DM_POLYTOPE_HEXAHEDRON};
1247: static PetscInt hexS[] = {1};
1248: 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};
1249: static PetscInt hexO[] = {0, 0, 0, 0, 0, 0};
1250: static DMPolytopeType tripT[] = {DM_POLYTOPE_TRI_PRISM};
1251: static PetscInt tripS[] = {1};
1252: 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};
1253: static PetscInt tripO[] = {0, 0, 0, 0, 0};
1254: static DMPolytopeType ttripT[] = {DM_POLYTOPE_TRI_PRISM_TENSOR};
1255: static PetscInt ttripS[] = {1};
1256: 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};
1257: static PetscInt ttripO[] = {0, 0, 0, 0, 0};
1258: static DMPolytopeType tquadpT[] = {DM_POLYTOPE_QUAD_PRISM_TENSOR};
1259: static PetscInt tquadpS[] = {1};
1260: static PetscInt tquadpC[] = {DM_POLYTOPE_QUADRILATERAL, 1, 0, 0, DM_POLYTOPE_QUADRILATERAL, 1, 1, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 2, 0,
1261: DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 3, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 4, 0, DM_POLYTOPE_SEG_PRISM_TENSOR, 1, 5, 0};
1262: static PetscInt tquadpO[] = {0, 0, 0, 0, 0, 0};
1263: static DMPolytopeType pyrT[] = {DM_POLYTOPE_PYRAMID};
1264: static PetscInt pyrS[] = {1};
1265: 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};
1266: static PetscInt pyrO[] = {0, 0, 0, 0, 0};
1268: PetscFunctionBegin;
1269: if (rt) *rt = 0;
1270: switch (source) {
1271: case DM_POLYTOPE_POINT:
1272: *Nt = 1;
1273: *target = vertexT;
1274: *size = vertexS;
1275: *cone = vertexC;
1276: *ornt = vertexO;
1277: break;
1278: case DM_POLYTOPE_SEGMENT:
1279: *Nt = 1;
1280: *target = edgeT;
1281: *size = edgeS;
1282: *cone = edgeC;
1283: *ornt = edgeO;
1284: break;
1285: case DM_POLYTOPE_POINT_PRISM_TENSOR:
1286: *Nt = 1;
1287: *target = tedgeT;
1288: *size = tedgeS;
1289: *cone = tedgeC;
1290: *ornt = tedgeO;
1291: break;
1292: case DM_POLYTOPE_TRIANGLE:
1293: *Nt = 1;
1294: *target = triT;
1295: *size = triS;
1296: *cone = triC;
1297: *ornt = triO;
1298: break;
1299: case DM_POLYTOPE_QUADRILATERAL:
1300: *Nt = 1;
1301: *target = quadT;
1302: *size = quadS;
1303: *cone = quadC;
1304: *ornt = quadO;
1305: break;
1306: case DM_POLYTOPE_SEG_PRISM_TENSOR:
1307: *Nt = 1;
1308: *target = tquadT;
1309: *size = tquadS;
1310: *cone = tquadC;
1311: *ornt = tquadO;
1312: break;
1313: case DM_POLYTOPE_TETRAHEDRON:
1314: *Nt = 1;
1315: *target = tetT;
1316: *size = tetS;
1317: *cone = tetC;
1318: *ornt = tetO;
1319: break;
1320: case DM_POLYTOPE_HEXAHEDRON:
1321: *Nt = 1;
1322: *target = hexT;
1323: *size = hexS;
1324: *cone = hexC;
1325: *ornt = hexO;
1326: break;
1327: case DM_POLYTOPE_TRI_PRISM:
1328: *Nt = 1;
1329: *target = tripT;
1330: *size = tripS;
1331: *cone = tripC;
1332: *ornt = tripO;
1333: break;
1334: case DM_POLYTOPE_TRI_PRISM_TENSOR:
1335: *Nt = 1;
1336: *target = ttripT;
1337: *size = ttripS;
1338: *cone = ttripC;
1339: *ornt = ttripO;
1340: break;
1341: case DM_POLYTOPE_QUAD_PRISM_TENSOR:
1342: *Nt = 1;
1343: *target = tquadpT;
1344: *size = tquadpS;
1345: *cone = tquadpC;
1346: *ornt = tquadpO;
1347: break;
1348: case DM_POLYTOPE_PYRAMID:
1349: *Nt = 1;
1350: *target = pyrT;
1351: *size = pyrS;
1352: *cone = pyrC;
1353: *ornt = pyrO;
1354: break;
1355: default:
1356: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
1357: }
1358: PetscFunctionReturn(PETSC_SUCCESS);
1359: }
1361: /*@
1362: DMPlexTransformGetSubcellOrientation - Transform the replica number and orientation for a target point according to the group action for the source point
1364: Not Collective
1366: Input Parameters:
1367: + tr - The `DMPlexTransform`
1368: . sct - The source point cell type, from whom the new cell is being produced
1369: . sp - The source point
1370: . so - The orientation of the source point in its enclosing parent
1371: . tct - The target point cell type
1372: . r - The replica number requested for the produced cell type
1373: - o - The orientation of the replica
1375: Output Parameters:
1376: + rnew - The replica number, given the orientation of the parent
1377: - onew - The replica orientation, given the orientation of the parent
1379: Level: advanced
1381: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformCellTransform()`, `DMPlexTransformApply()`
1382: @*/
1383: PetscErrorCode DMPlexTransformGetSubcellOrientation(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
1384: {
1385: PetscFunctionBeginHot;
1386: PetscUseTypeMethod(tr, getsubcellorientation, sct, sp, so, tct, r, o, rnew, onew);
1387: PetscFunctionReturn(PETSC_SUCCESS);
1388: }
1390: static PetscErrorCode DMPlexTransformSetConeSizes(DMPlexTransform tr, DM rdm)
1391: {
1392: DM dm;
1393: PetscInt pStart, pEnd, pNew;
1395: PetscFunctionBegin;
1396: PetscCall(DMPlexTransformGetDM(tr, &dm));
1397: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1398: /* Must create the celltype label here so that we do not automatically try to compute the types */
1399: PetscCall(DMCreateLabel(rdm, "celltype"));
1400: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1401: for (PetscInt p = pStart; p < pEnd; ++p) {
1402: DMPolytopeType ct;
1403: DMPolytopeType *rct;
1404: PetscInt *rsize, *rcone, *rornt;
1405: PetscInt Nct, n, r;
1407: PetscCall(DMPlexGetCellType(dm, p, &ct));
1408: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1409: for (n = 0; n < Nct; ++n) {
1410: for (r = 0; r < rsize[n]; ++r) {
1411: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1412: PetscCall(DMPlexSetConeSize(rdm, pNew, DMPolytopeTypeGetConeSize(rct[n])));
1413: PetscCall(DMPlexSetCellType(rdm, pNew, rct[n]));
1414: }
1415: }
1416: }
1417: /* Let the DM know we have set all the cell types */
1418: {
1419: DMLabel ctLabel;
1420: DM_Plex *plex = (DM_Plex *)rdm->data;
1422: PetscCall(DMPlexGetCellTypeLabel(rdm, &ctLabel));
1423: PetscCall(PetscObjectStateGet((PetscObject)ctLabel, &plex->celltypeState));
1424: }
1425: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetConeSizes, tr, dm, 0, 0));
1426: PetscFunctionReturn(PETSC_SUCCESS);
1427: }
1429: PetscErrorCode DMPlexTransformGetConeSize(DMPlexTransform tr, PetscInt q, PetscInt *coneSize)
1430: {
1431: DMPolytopeType ctNew;
1433: PetscFunctionBegin;
1435: PetscAssertPointer(coneSize, 3);
1436: PetscCall(DMPlexTransformGetCellType(tr, q, &ctNew));
1437: *coneSize = DMPolytopeTypeGetConeSize(ctNew);
1438: PetscFunctionReturn(PETSC_SUCCESS);
1439: }
1441: /* The orientation o is for the interior of the cell p */
1442: 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[])
1443: {
1444: DM dm;
1445: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1446: const PetscInt *cone;
1447: DMPolytopeType *newft = NULL;
1448: PetscInt c, coff = *coneoff, ooff = *orntoff;
1449: PetscInt dim, cr = 0, co = 0, nr, no;
1451: PetscFunctionBegin;
1452: PetscCall(DMPlexTransformGetDM(tr, &dm));
1453: PetscCall(DMPlexGetOrientedCone(dm, p, &cone, NULL));
1454: // Check if we have to permute this cell
1455: PetscCall(DMGetDimension(dm, &dim));
1456: if (DMPolytopeTypeGetDim(ctNew) == dim && DMPolytopeTypeGetDim(ct) == dim - 1) {
1457: PetscCall(DMPlexTransformGetSubcellOrientation(tr, ct, p, o, ctNew, cr, co, &nr, &no));
1458: if (cr != nr || co != no) PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newft));
1459: }
1460: for (c = 0; c < csizeNew; ++c) {
1461: PetscInt ppp = -1; /* Parent Parent point: Parent of point pp */
1462: PetscInt pp = p; /* Parent point: Point in the original mesh producing new cone point */
1463: PetscInt po = 0; /* Orientation of parent point pp in parent parent point ppp */
1464: DMPolytopeType pct = ct; /* Parent type: Cell type for parent of new cone point */
1465: const PetscInt *pcone = cone; /* Parent cone: Cone of parent point pp */
1466: PetscInt pr = -1; /* Replica number of pp that produces new cone point */
1467: const DMPolytopeType ft = (DMPolytopeType)rcone[coff++]; /* Cell type for new cone point of pNew */
1468: const PetscInt fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1469: PetscInt fo = rornt[ooff++]; /* Orientation of new cone point in pNew */
1470: PetscInt lc;
1472: /* Get the type (pct) and point number (pp) of the parent point in the original mesh which produces this cone point */
1473: for (lc = 0; lc < fn; ++lc) {
1474: const PetscInt *parr = DMPolytopeTypeGetArrangement(pct, po);
1475: const PetscInt acp = rcone[coff++];
1476: const PetscInt pcp = parr[acp * 2];
1477: const PetscInt pco = parr[acp * 2 + 1];
1478: const PetscInt *ppornt;
1480: ppp = pp;
1481: pp = pcone[pcp];
1482: PetscCall(DMPlexGetCellType(dm, pp, &pct));
1483: // Restore the parent cone from the last iterate
1484: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, ppp, &pcone, NULL));
1485: PetscCall(DMPlexGetOrientedCone(dm, pp, &pcone, NULL));
1486: PetscCall(DMPlexGetOrientedCone(dm, ppp, NULL, &ppornt));
1487: po = DMPolytopeTypeComposeOrientation(pct, ppornt[pcp], pco);
1488: PetscCall(DMPlexRestoreOrientedCone(dm, ppp, NULL, &ppornt));
1489: }
1490: if (lc) PetscCall(DMPlexRestoreOrientedCone(dm, pp, &pcone, NULL));
1491: pr = rcone[coff++];
1492: /* Orientation po of pp maps (pr, fo) -> (pr', fo') */
1493: PetscCall(DMPlexTransformGetSubcellOrientation(tr, pct, pp, fn ? po : o, ft, pr, fo, &pr, &fo));
1494: PetscCall(DMPlexTransformGetTargetPoint(tr, pct, ft, pp, pr, &coneNew[c]));
1495: orntNew[c] = fo;
1496: if (newft) newft[c] = ft;
1497: }
1498: PetscCall(DMPlexRestoreOrientedCone(dm, p, &cone, NULL));
1499: if (newft) {
1500: const PetscInt *arr;
1501: PetscInt *newcone, *newornt;
1503: arr = DMPolytopeTypeGetArrangement(ctNew, no);
1504: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1505: PetscCall(DMGetWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1506: for (PetscInt c = 0; c < csizeNew; ++c) {
1507: DMPolytopeType ft = newft[c];
1508: PetscInt nO;
1510: nO = DMPolytopeTypeGetNumArrangements(ft) / 2;
1511: newcone[c] = coneNew[arr[c * 2 + 0]];
1512: newornt[c] = DMPolytopeTypeComposeOrientation(ft, arr[c * 2 + 1], orntNew[arr[c * 2 + 0]]);
1513: 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]);
1514: }
1515: for (PetscInt c = 0; c < csizeNew; ++c) {
1516: coneNew[c] = newcone[c];
1517: orntNew[c] = newornt[c];
1518: }
1519: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newcone));
1520: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newornt));
1521: PetscCall(DMRestoreWorkArray(dm, csizeNew, MPIU_INT, &newft));
1522: }
1523: *coneoff = coff;
1524: *orntoff = ooff;
1525: PetscFunctionReturn(PETSC_SUCCESS);
1526: }
1528: static PetscErrorCode DMPlexTransformSetCones(DMPlexTransform tr, DM rdm)
1529: {
1530: DM dm;
1531: DMPolytopeType ct;
1532: PetscInt *coneNew, *orntNew;
1533: PetscInt maxConeSize = 0, pStart, pEnd, p, pNew;
1535: PetscFunctionBegin;
1536: PetscCall(DMPlexTransformGetDM(tr, &dm));
1537: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1538: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1539: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1540: PetscCall(DMGetWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1541: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
1542: for (p = pStart; p < pEnd; ++p) {
1543: PetscInt coff, ooff;
1544: DMPolytopeType *rct;
1545: PetscInt *rsize, *rcone, *rornt;
1546: PetscInt Nct, n, r;
1548: PetscCall(DMPlexGetCellType(dm, p, &ct));
1549: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1550: for (n = 0, coff = 0, ooff = 0; n < Nct; ++n) {
1551: const DMPolytopeType ctNew = rct[n];
1553: for (r = 0; r < rsize[n]; ++r) {
1554: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
1555: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, ctNew, rcone, &coff, rornt, &ooff, coneNew, orntNew));
1556: PetscCall(DMPlexSetCone(rdm, pNew, coneNew));
1557: PetscCall(DMPlexSetConeOrientation(rdm, pNew, orntNew));
1558: }
1559: }
1560: }
1561: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &coneNew));
1562: PetscCall(DMRestoreWorkArray(rdm, maxConeSize, MPIU_INT, &orntNew));
1563: PetscCall(DMViewFromOptions(rdm, NULL, "-rdm_view"));
1564: PetscCall(DMPlexSymmetrize(rdm));
1565: PetscCall(DMPlexStratify(rdm));
1566: PetscTryTypeMethod(tr, ordersupports, dm, rdm);
1567: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCones, tr, dm, 0, 0));
1568: PetscFunctionReturn(PETSC_SUCCESS);
1569: }
1571: PetscErrorCode DMPlexTransformGetConeOriented(DMPlexTransform tr, PetscInt q, PetscInt po, const PetscInt *cone[], const PetscInt *ornt[])
1572: {
1573: DM dm;
1574: DMPolytopeType ct, qct;
1575: DMPolytopeType *rct;
1576: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1577: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1579: PetscFunctionBegin;
1581: PetscAssertPointer(cone, 4);
1582: PetscAssertPointer(ornt, 5);
1583: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1584: PetscCall(DMPlexTransformGetDM(tr, &dm));
1585: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1586: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1587: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1588: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1589: for (n = 0; n < Nct; ++n) {
1590: const DMPolytopeType ctNew = rct[n];
1591: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1592: PetscInt Nr = rsize[n], fn, c;
1594: if (ctNew == qct) Nr = r;
1595: for (nr = 0; nr < Nr; ++nr) {
1596: for (c = 0; c < csizeNew; ++c) {
1597: ++coff; /* Cell type of new cone point */
1598: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1599: coff += fn;
1600: ++coff; /* Replica number of new cone point */
1601: ++ooff; /* Orientation of new cone point */
1602: }
1603: }
1604: if (ctNew == qct) break;
1605: }
1606: PetscCall(DMPlexTransformGetCone_Internal(tr, p, po, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1607: *cone = qcone;
1608: *ornt = qornt;
1609: PetscFunctionReturn(PETSC_SUCCESS);
1610: }
1612: PetscErrorCode DMPlexTransformGetCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1613: {
1614: DM dm;
1615: DMPolytopeType ct, qct;
1616: DMPolytopeType *rct;
1617: PetscInt *rsize, *rcone, *rornt, *qcone, *qornt;
1618: PetscInt maxConeSize = 0, Nct, p, r, n, nr, coff = 0, ooff = 0;
1620: PetscFunctionBegin;
1622: if (cone) PetscAssertPointer(cone, 3);
1623: if (ornt) PetscAssertPointer(ornt, 4);
1624: for (p = 0; p < DM_NUM_POLYTOPES; ++p) maxConeSize = PetscMax(maxConeSize, DMPolytopeTypeGetConeSize((DMPolytopeType)p));
1625: PetscCall(DMPlexTransformGetDM(tr, &dm));
1626: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1627: PetscCall(DMGetWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1628: PetscCall(DMPlexTransformGetSourcePoint(tr, q, &ct, &qct, &p, &r));
1629: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1630: for (n = 0; n < Nct; ++n) {
1631: const DMPolytopeType ctNew = rct[n];
1632: const PetscInt csizeNew = DMPolytopeTypeGetConeSize(ctNew);
1633: PetscInt Nr = rsize[n], fn, c;
1635: if (ctNew == qct) Nr = r;
1636: for (nr = 0; nr < Nr; ++nr) {
1637: for (c = 0; c < csizeNew; ++c) {
1638: ++coff; /* Cell type of new cone point */
1639: fn = rcone[coff++]; /* Number of cones of p that need to be taken when producing new cone point */
1640: coff += fn;
1641: ++coff; /* Replica number of new cone point */
1642: ++ooff; /* Orientation of new cone point */
1643: }
1644: }
1645: if (ctNew == qct) break;
1646: }
1647: PetscCall(DMPlexTransformGetCone_Internal(tr, p, 0, ct, qct, rcone, &coff, rornt, &ooff, qcone, qornt));
1648: if (cone) *cone = qcone;
1649: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qcone));
1650: if (ornt) *ornt = qornt;
1651: else PetscCall(DMRestoreWorkArray(dm, maxConeSize, MPIU_INT, &qornt));
1652: PetscFunctionReturn(PETSC_SUCCESS);
1653: }
1655: PetscErrorCode DMPlexTransformRestoreCone(DMPlexTransform tr, PetscInt q, const PetscInt *cone[], const PetscInt *ornt[])
1656: {
1657: DM dm;
1659: PetscFunctionBegin;
1661: PetscCall(DMPlexTransformGetDM(tr, &dm));
1662: if (cone) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, cone));
1663: if (ornt) PetscCall(DMRestoreWorkArray(dm, 0, MPIU_INT, ornt));
1664: PetscFunctionReturn(PETSC_SUCCESS);
1665: }
1667: static PetscErrorCode DMPlexTransformCreateCellVertices_Internal(DMPlexTransform tr)
1668: {
1669: PetscInt ict;
1671: PetscFunctionBegin;
1672: PetscCall(PetscCalloc3(DM_NUM_POLYTOPES, &tr->trNv, DM_NUM_POLYTOPES, &tr->trVerts, DM_NUM_POLYTOPES, &tr->trSubVerts));
1673: for (ict = DM_POLYTOPE_POINT; ict < DM_NUM_POLYTOPES; ++ict) {
1674: const DMPolytopeType ct = (DMPolytopeType)ict;
1675: DMPlexTransform reftr;
1676: DM refdm, trdm;
1677: Vec coordinates;
1678: const PetscScalar *coords;
1679: DMPolytopeType *rct;
1680: PetscInt *rsize, *rcone, *rornt;
1681: PetscInt Nct, n, r, pNew = 0;
1682: PetscInt trdim, vStart, vEnd, Nc;
1683: const PetscInt debug = 0;
1684: const char *typeName;
1686: /* Since points are 0-dimensional, coordinates make no sense */
1687: if (DMPolytopeTypeGetDim(ct) <= 0 || ct == DM_POLYTOPE_UNKNOWN_CELL || ct == DM_POLYTOPE_UNKNOWN_FACE) continue;
1688: PetscCall(DMPlexCreateReferenceCell(PETSC_COMM_SELF, ct, &refdm));
1689: PetscCall(DMPlexTransformCreate(PETSC_COMM_SELF, &reftr));
1690: PetscCall(DMPlexTransformSetDM(reftr, refdm));
1691: PetscCall(DMPlexTransformGetType(tr, &typeName));
1692: PetscCall(DMPlexTransformSetType(reftr, typeName));
1693: PetscCall(DMPlexTransformSetUp(reftr));
1694: PetscCall(DMPlexTransformApply(reftr, refdm, &trdm));
1696: PetscCall(DMGetDimension(trdm, &trdim));
1697: PetscCall(DMPlexGetDepthStratum(trdm, 0, &vStart, &vEnd));
1698: tr->trNv[ct] = vEnd - vStart;
1699: PetscCall(DMGetCoordinatesLocal(trdm, &coordinates));
1700: PetscCall(VecGetLocalSize(coordinates, &Nc));
1701: 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);
1702: PetscCall(PetscCalloc1(Nc, &tr->trVerts[ct]));
1703: PetscCall(VecGetArrayRead(coordinates, &coords));
1704: PetscCall(PetscArraycpy(tr->trVerts[ct], coords, Nc));
1705: PetscCall(VecRestoreArrayRead(coordinates, &coords));
1707: PetscCall(PetscCalloc1(DM_NUM_POLYTOPES, &tr->trSubVerts[ct]));
1708: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1709: for (n = 0; n < Nct; ++n) {
1710: /* Since points are 0-dimensional, coordinates make no sense */
1711: if (rct[n] == DM_POLYTOPE_POINT) continue;
1712: PetscCall(PetscCalloc1(rsize[n], &tr->trSubVerts[ct][rct[n]]));
1713: for (r = 0; r < rsize[n]; ++r) {
1714: PetscInt *closure = NULL;
1715: PetscInt clSize, cl, Nv = 0;
1717: PetscCall(PetscCalloc1(DMPolytopeTypeGetNumVertices(rct[n]), &tr->trSubVerts[ct][rct[n]][r]));
1718: PetscCall(DMPlexTransformGetTargetPoint(reftr, ct, rct[n], 0, r, &pNew));
1719: PetscCall(DMPlexGetTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1720: for (cl = 0; cl < clSize * 2; cl += 2) {
1721: const PetscInt sv = closure[cl];
1723: if ((sv >= vStart) && (sv < vEnd)) tr->trSubVerts[ct][rct[n]][r][Nv++] = sv - vStart;
1724: }
1725: PetscCall(DMPlexRestoreTransitiveClosure(trdm, pNew, PETSC_TRUE, &clSize, &closure));
1726: 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]);
1727: }
1728: }
1729: if (debug) {
1730: DMPolytopeType *rct;
1731: PetscInt *rsize, *rcone, *rornt;
1732: PetscInt v, dE = trdim, d, off = 0;
1734: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %" PetscInt_FMT " vertices\n", DMPolytopeTypes[ct], tr->trNv[ct]));
1735: for (v = 0; v < tr->trNv[ct]; ++v) {
1736: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1737: for (d = 0; d < dE; ++d) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%g ", (double)PetscRealPart(tr->trVerts[ct][off++])));
1738: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1739: }
1741: PetscCall(DMPlexTransformCellTransform(reftr, ct, 0, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1742: for (n = 0; n < Nct; ++n) {
1743: if (rct[n] == DM_POLYTOPE_POINT) continue;
1744: PetscCall(PetscPrintf(PETSC_COMM_SELF, "%s: %s subvertices %" PetscInt_FMT "\n", DMPolytopeTypes[ct], DMPolytopeTypes[rct[n]], tr->trNv[ct]));
1745: for (r = 0; r < rsize[n]; ++r) {
1746: PetscCall(PetscPrintf(PETSC_COMM_SELF, " "));
1747: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct[n]); ++v) PetscCall(PetscPrintf(PETSC_COMM_SELF, "%" PetscInt_FMT " ", tr->trSubVerts[ct][rct[n]][r][v]));
1748: PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n"));
1749: }
1750: }
1751: }
1752: PetscCall(DMDestroy(&refdm));
1753: PetscCall(DMDestroy(&trdm));
1754: PetscCall(DMPlexTransformDestroy(&reftr));
1755: }
1756: PetscFunctionReturn(PETSC_SUCCESS);
1757: }
1759: /*@C
1760: DMPlexTransformGetCellVertices - Get the set of transformed vertices lying in the closure of a reference cell of given type
1762: Input Parameters:
1763: + tr - The `DMPlexTransform` object
1764: - ct - The cell type
1766: Output Parameters:
1767: + Nv - The number of transformed vertices in the closure of the reference cell of given type
1768: - trVerts - The coordinates of these vertices in the reference cell
1770: Level: developer
1772: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetSubcellVertices()`
1773: @*/
1774: PetscErrorCode DMPlexTransformGetCellVertices(DMPlexTransform tr, DMPolytopeType ct, PetscInt *Nv, PetscScalar *trVerts[])
1775: {
1776: PetscFunctionBegin;
1777: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1778: if (Nv) *Nv = tr->trNv[ct];
1779: if (trVerts) *trVerts = tr->trVerts[ct];
1780: PetscFunctionReturn(PETSC_SUCCESS);
1781: }
1783: /*@C
1784: DMPlexTransformGetSubcellVertices - Get the set of transformed vertices defining a subcell in the reference cell of given type
1786: Input Parameters:
1787: + tr - The `DMPlexTransform` object
1788: . ct - The cell type
1789: . rct - The subcell type
1790: - r - The subcell index
1792: Output Parameter:
1793: . subVerts - The indices of these vertices in the set of vertices returned by `DMPlexTransformGetCellVertices()`
1795: Level: developer
1797: .seealso: `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformGetCellVertices()`
1798: @*/
1799: PetscErrorCode DMPlexTransformGetSubcellVertices(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, PetscInt *subVerts[])
1800: {
1801: PetscFunctionBegin;
1802: if (!tr->trNv) PetscCall(DMPlexTransformCreateCellVertices_Internal(tr));
1803: PetscCheck(tr->trSubVerts[ct][rct], PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONG, "Cell type %s does not produce %s", DMPolytopeTypes[ct], DMPolytopeTypes[rct]);
1804: if (subVerts) *subVerts = tr->trSubVerts[ct][rct][r];
1805: PetscFunctionReturn(PETSC_SUCCESS);
1806: }
1808: /* Computes new vertex as the barycenter, or centroid */
1809: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1810: {
1811: PetscInt v, d;
1813: PetscFunctionBeginHot;
1814: PetscCheck(ct == DM_POLYTOPE_POINT, PETSC_COMM_SELF, PETSC_ERR_SUP, "Not for refined point type %s", DMPolytopeTypes[ct]);
1815: for (d = 0; d < dE; ++d) out[d] = 0.0;
1816: for (v = 0; v < Nv; ++v)
1817: for (d = 0; d < dE; ++d) out[d] += in[v * dE + d];
1818: for (d = 0; d < dE; ++d) out[d] /= Nv;
1819: PetscFunctionReturn(PETSC_SUCCESS);
1820: }
1822: /*@
1823: DMPlexTransformMapCoordinates - Calculate new coordinates for produced points
1825: Not collective
1827: Input Parameters:
1828: + tr - The `DMPlexTransform`
1829: . pct - The cell type of the parent, from whom the new cell is being produced
1830: . ct - The type being produced
1831: . p - The original point
1832: . r - The replica number requested for the produced cell type
1833: . Nv - Number of vertices in the closure of the parent cell
1834: . dE - Spatial dimension
1835: - in - array of size Nv*dE, holding coordinates of the vertices in the closure of the parent cell
1837: Output Parameter:
1838: . out - The coordinates of the new vertices
1840: Level: intermediate
1842: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexTransformApply()`
1843: @*/
1844: PetscErrorCode DMPlexTransformMapCoordinates(DMPlexTransform tr, DMPolytopeType pct, DMPolytopeType ct, PetscInt p, PetscInt r, PetscInt Nv, PetscInt dE, const PetscScalar in[], PetscScalar out[])
1845: {
1846: PetscFunctionBeginHot;
1847: if (Nv) PetscUseTypeMethod(tr, mapcoordinates, pct, ct, p, r, Nv, dE, in, out);
1848: PetscFunctionReturn(PETSC_SUCCESS);
1849: }
1851: /*
1852: DMPlexTransformLabelProducedPoint_Private - Label a produced point based on its parent label
1854: Not Collective
1856: Input Parameters:
1857: + tr - The `DMPlexTransform`
1858: . label - The label in the transformed mesh
1859: . pp - The parent point in the original mesh
1860: . pct - The cell type of the parent point
1861: . p - The point in the transformed mesh
1862: . ct - The cell type of the point
1863: . r - The replica number of the point
1864: - val - The label value of the parent point
1866: Level: developer
1868: .seealso: `DMPlexTransformCreateLabels()`, `RefineLabel_Internal()`
1869: */
1870: static PetscErrorCode DMPlexTransformLabelProducedPoint_Private(DMPlexTransform tr, DMLabel label, PetscInt pp, DMPolytopeType pct, PetscInt p, DMPolytopeType ct, PetscInt r, PetscInt val)
1871: {
1872: PetscFunctionBeginHot;
1873: if (tr->labelMatchStrata && pct != ct) PetscFunctionReturn(PETSC_SUCCESS);
1874: PetscCall(DMLabelSetValue(label, p, val + tr->labelReplicaInc * r));
1875: PetscFunctionReturn(PETSC_SUCCESS);
1876: }
1878: static PetscErrorCode RefineLabel_Internal(DMPlexTransform tr, DMLabel label, DMLabel labelNew)
1879: {
1880: DM dm;
1881: IS valueIS;
1882: const PetscInt *values;
1883: PetscInt defVal, Nv, val;
1885: PetscFunctionBegin;
1886: PetscCall(DMPlexTransformGetDM(tr, &dm));
1887: PetscCall(DMLabelGetDefaultValue(label, &defVal));
1888: PetscCall(DMLabelSetDefaultValue(labelNew, defVal));
1889: PetscCall(DMLabelGetValueIS(label, &valueIS));
1890: PetscCall(ISGetLocalSize(valueIS, &Nv));
1891: PetscCall(ISGetIndices(valueIS, &values));
1892: for (val = 0; val < Nv; ++val) {
1893: IS pointIS;
1894: const PetscInt *points;
1895: PetscInt numPoints, p;
1897: /* Ensure refined label is created with same number of strata as
1898: * original (even if no entries here). */
1899: PetscCall(DMLabelAddStratum(labelNew, values[val]));
1900: PetscCall(DMLabelGetStratumIS(label, values[val], &pointIS));
1901: PetscCall(ISGetLocalSize(pointIS, &numPoints));
1902: PetscCall(ISGetIndices(pointIS, &points));
1903: for (p = 0; p < numPoints; ++p) {
1904: const PetscInt point = points[p];
1905: DMPolytopeType ct;
1906: DMPolytopeType *rct;
1907: PetscInt *rsize, *rcone, *rornt;
1908: PetscInt Nct, n, r, pNew = 0;
1910: PetscCall(DMPlexGetCellType(dm, point, &ct));
1911: PetscCall(DMPlexTransformCellTransform(tr, ct, point, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
1912: for (n = 0; n < Nct; ++n) {
1913: for (r = 0; r < rsize[n]; ++r) {
1914: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], point, r, &pNew));
1915: PetscCall(DMPlexTransformLabelProducedPoint_Private(tr, labelNew, point, ct, pNew, rct[n], r, values[val]));
1916: }
1917: }
1918: }
1919: PetscCall(ISRestoreIndices(pointIS, &points));
1920: PetscCall(ISDestroy(&pointIS));
1921: }
1922: PetscCall(ISRestoreIndices(valueIS, &values));
1923: PetscCall(ISDestroy(&valueIS));
1924: PetscFunctionReturn(PETSC_SUCCESS);
1925: }
1927: static PetscErrorCode DMPlexTransformCreateLabels(DMPlexTransform tr, DM rdm)
1928: {
1929: DM dm;
1930: PetscInt numLabels, l;
1932: PetscFunctionBegin;
1933: PetscCall(DMPlexTransformGetDM(tr, &dm));
1934: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1935: PetscCall(DMGetNumLabels(dm, &numLabels));
1936: for (l = 0; l < numLabels; ++l) {
1937: DMLabel label, labelNew;
1938: const char *lname;
1939: PetscBool isDepth, isCellType;
1941: PetscCall(DMGetLabelName(dm, l, &lname));
1942: PetscCall(PetscStrcmp(lname, "depth", &isDepth));
1943: if (isDepth) continue;
1944: PetscCall(PetscStrcmp(lname, "celltype", &isCellType));
1945: if (isCellType) continue;
1946: PetscCall(DMCreateLabel(rdm, lname));
1947: PetscCall(DMGetLabel(dm, lname, &label));
1948: PetscCall(DMGetLabel(rdm, lname, &labelNew));
1949: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1950: }
1951: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateLabels, tr, dm, 0, 0));
1952: PetscFunctionReturn(PETSC_SUCCESS);
1953: }
1955: /* This refines the labels which define regions for fields and DSes since they are not in the list of labels for the DM */
1956: PetscErrorCode DMPlexTransformCreateDiscLabels(DMPlexTransform tr, DM rdm)
1957: {
1958: DM dm;
1959: PetscInt Nf, f, Nds, s;
1961: PetscFunctionBegin;
1962: PetscCall(DMPlexTransformGetDM(tr, &dm));
1963: PetscCall(DMGetNumFields(dm, &Nf));
1964: for (f = 0; f < Nf; ++f) {
1965: DMLabel label, labelNew;
1966: PetscObject obj;
1967: const char *lname;
1969: PetscCall(DMGetField(rdm, f, &label, &obj));
1970: if (!label) continue;
1971: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
1972: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
1973: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1974: PetscCall(DMSetField_Internal(rdm, f, labelNew, obj));
1975: PetscCall(DMLabelDestroy(&labelNew));
1976: }
1977: PetscCall(DMGetNumDS(dm, &Nds));
1978: for (s = 0; s < Nds; ++s) {
1979: DMLabel label, labelNew;
1980: const char *lname;
1982: PetscCall(DMGetRegionNumDS(rdm, s, &label, NULL, NULL, NULL));
1983: if (!label) continue;
1984: PetscCall(PetscObjectGetName((PetscObject)label, &lname));
1985: PetscCall(DMLabelCreate(PETSC_COMM_SELF, lname, &labelNew));
1986: PetscCall(RefineLabel_Internal(tr, label, labelNew));
1987: PetscCall(DMSetRegionNumDS(rdm, s, labelNew, NULL, NULL, NULL));
1988: PetscCall(DMLabelDestroy(&labelNew));
1989: }
1990: PetscFunctionReturn(PETSC_SUCCESS);
1991: }
1993: static PetscErrorCode DMPlexTransformCreateSF(DMPlexTransform tr, DM rdm)
1994: {
1995: DM dm;
1996: PetscSF sf, sfNew;
1997: PetscInt numRoots, numLeaves, numLeavesNew = 0, l, m;
1998: const PetscInt *localPoints;
1999: const PetscSFNode *remotePoints;
2000: PetscInt *localPointsNew;
2001: PetscSFNode *remotePointsNew;
2002: PetscInt pStartNew, pEndNew, pNew;
2003: /* Brute force algorithm */
2004: PetscSF rsf;
2005: PetscSection s;
2006: const PetscInt *rootdegree;
2007: PetscInt *rootPointsNew, *remoteOffsets;
2008: PetscInt numPointsNew, pStart, pEnd, p;
2010: PetscFunctionBegin;
2011: PetscCall(DMPlexTransformGetDM(tr, &dm));
2012: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2013: PetscCall(DMPlexGetChart(rdm, &pStartNew, &pEndNew));
2014: PetscCall(DMGetPointSF(dm, &sf));
2015: PetscCall(DMGetPointSF(rdm, &sfNew));
2016: /* Calculate size of new SF */
2017: PetscCall(PetscSFGetGraph(sf, &numRoots, &numLeaves, &localPoints, &remotePoints));
2018: if (numRoots < 0) {
2019: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2020: PetscFunctionReturn(PETSC_SUCCESS);
2021: }
2022: for (l = 0; l < numLeaves; ++l) {
2023: const PetscInt p = localPoints[l];
2024: DMPolytopeType ct;
2025: DMPolytopeType *rct;
2026: PetscInt *rsize, *rcone, *rornt;
2027: PetscInt Nct, n;
2029: PetscCall(DMPlexGetCellType(dm, p, &ct));
2030: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2031: for (n = 0; n < Nct; ++n) numLeavesNew += rsize[n];
2032: }
2033: /* Send new root point numbers
2034: It is possible to optimize for regular transforms by sending only the cell type offsets, but it seems a needless complication
2035: */
2036: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2037: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)dm), &s));
2038: PetscCall(PetscSectionSetChart(s, pStart, pEnd));
2039: for (p = pStart; p < pEnd; ++p) {
2040: DMPolytopeType ct;
2041: DMPolytopeType *rct;
2042: PetscInt *rsize, *rcone, *rornt;
2043: PetscInt Nct, n;
2045: PetscCall(DMPlexGetCellType(dm, p, &ct));
2046: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2047: for (n = 0; n < Nct; ++n) PetscCall(PetscSectionAddDof(s, p, rsize[n]));
2048: }
2049: PetscCall(PetscSectionSetUp(s));
2050: PetscCall(PetscSectionGetStorageSize(s, &numPointsNew));
2051: PetscCall(PetscSFCreateRemoteOffsets(sf, s, s, &remoteOffsets));
2052: PetscCall(PetscSFCreateSectionSF(sf, s, remoteOffsets, s, &rsf));
2053: PetscCall(PetscFree(remoteOffsets));
2054: PetscCall(PetscSFComputeDegreeBegin(sf, &rootdegree));
2055: PetscCall(PetscSFComputeDegreeEnd(sf, &rootdegree));
2056: PetscCall(PetscMalloc1(numPointsNew, &rootPointsNew));
2057: for (p = 0; p < numPointsNew; ++p) rootPointsNew[p] = -1;
2058: for (p = pStart; p < pEnd; ++p) {
2059: DMPolytopeType ct;
2060: DMPolytopeType *rct;
2061: PetscInt *rsize, *rcone, *rornt;
2062: PetscInt Nct, n, r, off;
2064: if (!rootdegree[p - pStart]) continue;
2065: PetscCall(PetscSectionGetOffset(s, p, &off));
2066: PetscCall(DMPlexGetCellType(dm, p, &ct));
2067: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2068: for (n = 0, m = 0; n < Nct; ++n) {
2069: for (r = 0; r < rsize[n]; ++r, ++m) {
2070: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2071: rootPointsNew[off + m] = pNew;
2072: }
2073: }
2074: }
2075: PetscCall(PetscSFBcastBegin(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2076: PetscCall(PetscSFBcastEnd(rsf, MPIU_INT, rootPointsNew, rootPointsNew, MPI_REPLACE));
2077: PetscCall(PetscSFDestroy(&rsf));
2078: PetscCall(PetscMalloc1(numLeavesNew, &localPointsNew));
2079: PetscCall(PetscMalloc1(numLeavesNew, &remotePointsNew));
2080: for (l = 0, m = 0; l < numLeaves; ++l) {
2081: const PetscInt p = localPoints[l];
2082: DMPolytopeType ct;
2083: DMPolytopeType *rct;
2084: PetscInt *rsize, *rcone, *rornt;
2085: PetscInt Nct, n, r, q, off;
2087: PetscCall(PetscSectionGetOffset(s, p, &off));
2088: PetscCall(DMPlexGetCellType(dm, p, &ct));
2089: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2090: for (n = 0, q = 0; n < Nct; ++n) {
2091: for (r = 0; r < rsize[n]; ++r, ++m, ++q) {
2092: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2093: localPointsNew[m] = pNew;
2094: remotePointsNew[m].index = rootPointsNew[off + q];
2095: remotePointsNew[m].rank = remotePoints[l].rank;
2096: }
2097: }
2098: }
2099: PetscCall(PetscSectionDestroy(&s));
2100: PetscCall(PetscFree(rootPointsNew));
2101: /* SF needs sorted leaves to correctly calculate Gather */
2102: {
2103: PetscSFNode *rp, *rtmp;
2104: PetscInt *lp, *idx, *ltmp, i;
2106: PetscCall(PetscMalloc1(numLeavesNew, &idx));
2107: PetscCall(PetscMalloc1(numLeavesNew, &lp));
2108: PetscCall(PetscMalloc1(numLeavesNew, &rp));
2109: for (i = 0; i < numLeavesNew; ++i) {
2110: 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);
2111: idx[i] = i;
2112: }
2113: PetscCall(PetscSortIntWithPermutation(numLeavesNew, localPointsNew, idx));
2114: for (i = 0; i < numLeavesNew; ++i) {
2115: lp[i] = localPointsNew[idx[i]];
2116: rp[i] = remotePointsNew[idx[i]];
2117: }
2118: ltmp = localPointsNew;
2119: localPointsNew = lp;
2120: rtmp = remotePointsNew;
2121: remotePointsNew = rp;
2122: PetscCall(PetscFree(idx));
2123: PetscCall(PetscFree(ltmp));
2124: PetscCall(PetscFree(rtmp));
2125: }
2126: PetscCall(PetscSFSetGraph(sfNew, pEndNew - pStartNew, numLeavesNew, localPointsNew, PETSC_OWN_POINTER, remotePointsNew, PETSC_OWN_POINTER));
2127: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_CreateSF, tr, dm, 0, 0));
2128: PetscFunctionReturn(PETSC_SUCCESS);
2129: }
2131: /*
2132: DMPlexCellRefinerMapLocalizedCoordinates - Given a cell of `DMPolytopeType` `ct` with localized coordinates `x`, generate localized coordinates `xr` for subcell `r` of type `rct`.
2134: Not Collective
2136: Input Parameters:
2137: + tr - The `DMPlexTransform`
2138: . ct - The type of the parent cell
2139: . rct - The type of the produced cell
2140: . r - The index of the produced cell
2141: - x - The localized coordinates for the parent cell
2143: Output Parameter:
2144: . xr - The localized coordinates for the produced cell
2146: Level: developer
2148: .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPolytopeType`, `DMPlexCellRefinerSetCoordinates()`
2149: */
2150: static PetscErrorCode DMPlexTransformMapLocalizedCoordinates(DMPlexTransform tr, DMPolytopeType ct, DMPolytopeType rct, PetscInt r, const PetscScalar x[], PetscScalar xr[])
2151: {
2152: PetscFE fe = NULL;
2153: PetscInt cdim, v, *subcellV;
2155: PetscFunctionBegin;
2156: PetscCall(DMPlexTransformGetCoordinateFE(tr, ct, &fe));
2157: PetscCall(DMPlexTransformGetSubcellVertices(tr, ct, rct, r, &subcellV));
2158: PetscCall(PetscFEGetNumComponents(fe, &cdim));
2159: for (v = 0; v < DMPolytopeTypeGetNumVertices(rct); ++v) PetscCall(PetscFEInterpolate_Static(fe, x, tr->refGeom[ct], subcellV[v], &xr[v * cdim]));
2160: PetscFunctionReturn(PETSC_SUCCESS);
2161: }
2163: static PetscErrorCode DMPlexTransformSetCoordinates(DMPlexTransform tr, DM rdm)
2164: {
2165: DM dm, cdm, cdmCell, cdmNew, cdmCellNew;
2166: PetscSection coordSection, coordSectionNew, coordSectionCell, coordSectionCellNew;
2167: Vec coordsLocal, coordsLocalNew, coordsLocalCell = NULL, coordsLocalCellNew;
2168: const PetscScalar *coords;
2169: PetscScalar *coordsNew;
2170: const PetscReal *maxCell, *Lstart, *L;
2171: PetscBool localized, localizeVertices = PETSC_FALSE, localizeCells = PETSC_FALSE, sparseLocalize;
2172: PetscInt dE, dEo, d, cStart, cEnd, c, cStartNew, cEndNew, vStartNew, vEndNew, v, pStart, pEnd, p;
2174: PetscFunctionBegin;
2175: // Need to clear the DMField for coordinates
2176: PetscCall(DMSetCoordinateField(rdm, NULL));
2177: PetscCall(DMPlexTransformGetDM(tr, &dm));
2178: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2179: PetscCall(DMGetCoordinateDM(dm, &cdm));
2180: PetscCall(DMGetCellCoordinateDM(dm, &cdmCell));
2181: PetscCall(DMGetCoordinatesLocalized(dm, &localized));
2182: PetscCall(DMGetSparseLocalize(dm, &sparseLocalize));
2183: PetscCall(DMSetSparseLocalize(rdm, sparseLocalize));
2184: PetscCall(DMGetPeriodicity(dm, &maxCell, &Lstart, &L));
2185: if (localized) {
2186: /* Localize coordinates of new vertices */
2187: localizeVertices = PETSC_TRUE;
2188: /* If we do not have a mechanism for automatically localizing cell coordinates, we need to compute them explicitly for every divided cell */
2189: if (!maxCell) localizeCells = PETSC_TRUE;
2190: }
2191: PetscCall(DMGetCoordinateSection(dm, &coordSection));
2192: PetscCall(PetscSectionGetFieldComponents(coordSection, 0, &dEo));
2193: if (maxCell) {
2194: PetscReal maxCellNew[3];
2196: for (d = 0; d < dEo; ++d) maxCellNew[d] = maxCell[d] / 2.0;
2197: PetscCall(DMSetPeriodicity(rdm, maxCellNew, Lstart, L));
2198: }
2199: PetscCall(DMGetCoordinateDim(rdm, &dE));
2200: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionNew));
2201: PetscCall(PetscSectionSetNumFields(coordSectionNew, 1));
2202: PetscCall(PetscSectionSetFieldComponents(coordSectionNew, 0, dE));
2203: PetscCall(DMPlexGetDepthStratum(rdm, 0, &vStartNew, &vEndNew));
2204: PetscCall(PetscSectionSetChart(coordSectionNew, vStartNew, vEndNew));
2205: /* Localization should be inherited */
2206: /* Stefano calculates parent cells for each new cell for localization */
2207: /* Localized cells need coordinates of closure */
2208: for (v = vStartNew; v < vEndNew; ++v) {
2209: PetscCall(PetscSectionSetDof(coordSectionNew, v, dE));
2210: PetscCall(PetscSectionSetFieldDof(coordSectionNew, v, 0, dE));
2211: }
2212: PetscCall(PetscSectionSetUp(coordSectionNew));
2213: PetscCall(DMSetCoordinateSection(rdm, PETSC_DETERMINE, coordSectionNew));
2215: if (localizeCells) {
2216: PetscCall(DMGetCoordinateDM(rdm, &cdmNew));
2217: PetscCall(DMClone(cdmNew, &cdmCellNew));
2218: PetscCall(DMSetCellCoordinateDM(rdm, cdmCellNew));
2219: PetscCall(DMDestroy(&cdmCellNew));
2221: PetscCall(PetscSectionCreate(PetscObjectComm((PetscObject)rdm), &coordSectionCellNew));
2222: PetscCall(PetscSectionSetNumFields(coordSectionCellNew, 1));
2223: PetscCall(PetscSectionSetFieldComponents(coordSectionCellNew, 0, dE));
2224: PetscCall(DMPlexGetHeightStratum(rdm, 0, &cStartNew, &cEndNew));
2225: PetscCall(PetscSectionSetChart(coordSectionCellNew, cStartNew, cEndNew));
2227: PetscCall(DMGetCellCoordinateSection(dm, &coordSectionCell));
2228: PetscCall(DMPlexGetHeightStratum(dm, 0, &cStart, &cEnd));
2229: for (c = cStart; c < cEnd; ++c) {
2230: PetscInt dof;
2232: PetscCall(PetscSectionGetDof(coordSectionCell, c, &dof));
2233: if (dof) {
2234: DMPolytopeType ct;
2235: DMPolytopeType *rct;
2236: PetscInt *rsize, *rcone, *rornt;
2237: PetscInt dim, cNew, Nct, n, r;
2239: PetscCall(DMPlexGetCellType(dm, c, &ct));
2240: dim = DMPolytopeTypeGetDim(ct);
2241: PetscCall(DMPlexTransformCellTransform(tr, ct, c, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2242: /* This allows for different cell types */
2243: for (n = 0; n < Nct; ++n) {
2244: if (dim != DMPolytopeTypeGetDim(rct[n])) continue;
2245: for (r = 0; r < rsize[n]; ++r) {
2246: PetscInt *closure = NULL;
2247: PetscInt clSize, cl, Nv = 0;
2249: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], c, r, &cNew));
2250: PetscCall(DMPlexGetTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2251: for (cl = 0; cl < clSize * 2; cl += 2) {
2252: if ((closure[cl] >= vStartNew) && (closure[cl] < vEndNew)) ++Nv;
2253: }
2254: PetscCall(DMPlexRestoreTransitiveClosure(rdm, cNew, PETSC_TRUE, &clSize, &closure));
2255: PetscCall(PetscSectionSetDof(coordSectionCellNew, cNew, Nv * dE));
2256: PetscCall(PetscSectionSetFieldDof(coordSectionCellNew, cNew, 0, Nv * dE));
2257: }
2258: }
2259: }
2260: }
2261: PetscCall(PetscSectionSetUp(coordSectionCellNew));
2262: PetscCall(DMSetCellCoordinateSection(rdm, PETSC_DETERMINE, coordSectionCellNew));
2263: }
2264: PetscCall(DMViewFromOptions(dm, NULL, "-coarse_dm_view"));
2265: {
2266: VecType vtype;
2267: PetscInt coordSizeNew, bs;
2268: const char *name;
2270: PetscCall(DMGetCoordinatesLocal(dm, &coordsLocal));
2271: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalNew));
2272: PetscCall(PetscSectionGetStorageSize(coordSectionNew, &coordSizeNew));
2273: PetscCall(VecSetSizes(coordsLocalNew, coordSizeNew, PETSC_DETERMINE));
2274: PetscCall(PetscObjectGetName((PetscObject)coordsLocal, &name));
2275: PetscCall(PetscObjectSetName((PetscObject)coordsLocalNew, name));
2276: PetscCall(VecGetBlockSize(coordsLocal, &bs));
2277: PetscCall(VecSetBlockSize(coordsLocalNew, dEo == dE ? bs : dE));
2278: PetscCall(VecGetType(coordsLocal, &vtype));
2279: PetscCall(VecSetType(coordsLocalNew, vtype));
2280: }
2281: PetscCall(VecGetArrayRead(coordsLocal, &coords));
2282: PetscCall(VecGetArray(coordsLocalNew, &coordsNew));
2283: PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
2284: /* First set coordinates for vertices */
2285: for (p = pStart; p < pEnd; ++p) {
2286: DMPolytopeType ct;
2287: DMPolytopeType *rct;
2288: PetscInt *rsize, *rcone, *rornt;
2289: PetscInt Nct, n, r;
2290: PetscBool hasVertex = PETSC_FALSE;
2292: PetscCall(DMPlexGetCellType(dm, p, &ct));
2293: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2294: for (n = 0; n < Nct; ++n) {
2295: if (rct[n] == DM_POLYTOPE_POINT) {
2296: hasVertex = PETSC_TRUE;
2297: break;
2298: }
2299: }
2300: if (hasVertex) {
2301: const PetscScalar *icoords = NULL;
2302: const PetscScalar *array = NULL;
2303: PetscScalar *pcoords = NULL;
2304: PetscBool isDG;
2305: PetscInt Nc, Nv, v, d;
2307: PetscCall(DMPlexGetCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2309: icoords = pcoords;
2310: Nv = Nc / dEo;
2311: if (ct != DM_POLYTOPE_POINT) {
2312: if (localizeVertices && maxCell) {
2313: PetscScalar anchor[3];
2315: for (d = 0; d < dEo; ++d) anchor[d] = pcoords[d];
2316: for (v = 0; v < Nv; ++v) PetscCall(DMLocalizeCoordinate_Internal(dm, dEo, anchor, &pcoords[v * dEo], &pcoords[v * dEo]));
2317: }
2318: }
2319: for (n = 0; n < Nct; ++n) {
2320: if (rct[n] != DM_POLYTOPE_POINT) continue;
2321: for (r = 0; r < rsize[n]; ++r) {
2322: PetscScalar vcoords[3];
2323: PetscInt vNew, off;
2325: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &vNew));
2326: PetscCall(PetscSectionGetOffset(coordSectionNew, vNew, &off));
2327: PetscCall(DMPlexTransformMapCoordinates(tr, ct, rct[n], p, r, Nv, dEo, icoords, vcoords));
2328: PetscCall(DMSnapToGeomModel(dm, p, dE, vcoords, &coordsNew[off]));
2329: }
2330: }
2331: PetscCall(DMPlexRestoreCellCoordinates(dm, p, &isDG, &Nc, &array, &pcoords));
2332: }
2333: }
2334: PetscCall(VecRestoreArrayRead(coordsLocal, &coords));
2335: PetscCall(VecRestoreArray(coordsLocalNew, &coordsNew));
2336: PetscCall(DMSetCoordinatesLocal(rdm, coordsLocalNew));
2337: PetscCall(VecDestroy(&coordsLocalNew));
2338: PetscCall(PetscSectionDestroy(&coordSectionNew));
2339: /* Then set coordinates for cells by localizing */
2340: if (!localizeCells) PetscCall(DMLocalizeCoordinates(rdm));
2341: else {
2342: VecType vtype;
2343: PetscInt coordSizeNew, bs;
2344: const char *name;
2346: PetscCall(DMGetCellCoordinatesLocal(dm, &coordsLocalCell));
2347: PetscCall(VecCreate(PETSC_COMM_SELF, &coordsLocalCellNew));
2348: PetscCall(PetscSectionGetStorageSize(coordSectionCellNew, &coordSizeNew));
2349: PetscCall(VecSetSizes(coordsLocalCellNew, coordSizeNew, PETSC_DETERMINE));
2350: PetscCall(PetscObjectGetName((PetscObject)coordsLocalCell, &name));
2351: PetscCall(PetscObjectSetName((PetscObject)coordsLocalCellNew, name));
2352: PetscCall(VecGetBlockSize(coordsLocalCell, &bs));
2353: PetscCall(VecSetBlockSize(coordsLocalCellNew, dEo == dE ? bs : dE));
2354: PetscCall(VecGetType(coordsLocalCell, &vtype));
2355: PetscCall(VecSetType(coordsLocalCellNew, vtype));
2356: PetscCall(VecGetArrayRead(coordsLocalCell, &coords));
2357: PetscCall(VecGetArray(coordsLocalCellNew, &coordsNew));
2359: for (p = pStart; p < pEnd; ++p) {
2360: DMPolytopeType ct;
2361: DMPolytopeType *rct;
2362: PetscInt *rsize, *rcone, *rornt;
2363: PetscInt dof = 0, Nct, n, r;
2365: PetscCall(DMPlexGetCellType(dm, p, &ct));
2366: PetscCall(DMPlexTransformCellTransform(tr, ct, p, NULL, &Nct, &rct, &rsize, &rcone, &rornt));
2367: if (p >= cStart && p < cEnd) PetscCall(PetscSectionGetDof(coordSectionCell, p, &dof));
2368: if (dof) {
2369: const PetscScalar *pcoords;
2371: PetscCall(DMPlexPointLocalRead(cdmCell, p, coords, &pcoords));
2372: for (n = 0; n < Nct; ++n) {
2373: const PetscInt Nr = rsize[n];
2375: if (DMPolytopeTypeGetDim(ct) != DMPolytopeTypeGetDim(rct[n])) continue;
2376: for (r = 0; r < Nr; ++r) {
2377: PetscInt pNew, offNew;
2379: /* It looks like Stefano and Lisandro are allowing localized coordinates without defining the periodic boundary, which means that
2380: DMLocalizeCoordinate_Internal() will not work. Localized coordinates will have to have obtained by the affine map of the larger
2381: cell to the ones it produces. */
2382: PetscCall(DMPlexTransformGetTargetPoint(tr, ct, rct[n], p, r, &pNew));
2383: PetscCall(PetscSectionGetOffset(coordSectionCellNew, pNew, &offNew));
2384: PetscCall(DMPlexTransformMapLocalizedCoordinates(tr, ct, rct[n], r, pcoords, &coordsNew[offNew]));
2385: }
2386: }
2387: }
2388: }
2389: PetscCall(VecRestoreArrayRead(coordsLocalCell, &coords));
2390: PetscCall(VecRestoreArray(coordsLocalCellNew, &coordsNew));
2391: PetscCall(DMSetCellCoordinatesLocal(rdm, coordsLocalCellNew));
2392: PetscCall(VecDestroy(&coordsLocalCellNew));
2393: PetscCall(PetscSectionDestroy(&coordSectionCellNew));
2394: }
2395: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_SetCoordinates, tr, dm, 0, 0));
2396: PetscFunctionReturn(PETSC_SUCCESS);
2397: }
2399: /*@
2400: DMPlexTransformApply - Execute the transformation, producing another `DM`
2402: Collective
2404: Input Parameters:
2405: + tr - The `DMPlexTransform` object
2406: - dm - The original `DM`
2408: Output Parameter:
2409: . trdm - The transformed `DM`
2411: Level: intermediate
2413: Options Database Keys:
2414: + -dm_plex_transform_label_match_strata - Only label points of the same stratum as the producing point
2415: . -dm_plex_transform_label_replica_inc num - Increment for the label value to be multiplied by the replica number
2416: - -dm_plex_transform_active name - Name for active mesh label
2418: .seealso: [](plex_transform_table), [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexTransform`, `DMPlexTransformCreate()`, `DMPlexTransformSetDM()`
2419: @*/
2420: PetscErrorCode DMPlexTransformApply(DMPlexTransform tr, DM dm, DM *trdm)
2421: {
2422: DM rdm;
2423: DMPlexInterpolatedFlag interp;
2424: PetscInt pStart, pEnd;
2426: PetscFunctionBegin;
2429: PetscAssertPointer(trdm, 3);
2430: PetscCall(PetscLogEventBegin(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2431: PetscCall(DMPlexTransformSetDM(tr, dm));
2433: PetscCall(DMCreate(PetscObjectComm((PetscObject)dm), &rdm));
2434: PetscCall(DMSetType(rdm, DMPLEX));
2435: PetscCall(DMPlexTransformSetDimensions(tr, dm, rdm));
2436: /* Calculate number of new points of each depth */
2437: PetscCall(DMPlexIsInterpolatedCollective(dm, &interp));
2438: PetscCheck(interp == DMPLEX_INTERPOLATED_FULL, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be fully interpolated for regular refinement");
2439: /* Step 1: Set chart */
2440: PetscCall(DMPlexTransformGetChart(tr, &pStart, &pEnd));
2441: PetscCall(DMPlexSetChart(rdm, pStart, pEnd));
2442: /* Step 2: Set cone/support sizes (automatically stratifies) */
2443: PetscCall(DMPlexTransformSetConeSizes(tr, rdm));
2444: /* Step 3: Setup refined DM */
2445: PetscCall(DMSetUp(rdm));
2446: /* Step 4: Set cones and supports (automatically symmetrizes) */
2447: PetscCall(DMPlexTransformSetCones(tr, rdm));
2448: /* Step 5: Create pointSF */
2449: PetscCall(DMPlexTransformCreateSF(tr, rdm));
2450: /* Step 6: Create labels */
2451: PetscCall(DMPlexTransformCreateLabels(tr, rdm));
2452: /* Step 7: Set coordinates */
2453: PetscCall(DMPlexTransformSetCoordinates(tr, rdm));
2454: PetscCall(DMPlexCopy_Internal(dm, PETSC_TRUE, PETSC_TRUE, rdm));
2455: // If the original DM was configured from options, the transformed DM should be as well
2456: rdm->setfromoptionscalled = dm->setfromoptionscalled;
2457: PetscCall(PetscLogEventEnd(DMPLEXTRANSFORM_Apply, tr, dm, 0, 0));
2458: *trdm = rdm;
2459: PetscFunctionReturn(PETSC_SUCCESS);
2460: }
2462: PetscErrorCode DMPlexTransformAdaptLabel(DM dm, PETSC_UNUSED Vec metric, DMLabel adaptLabel, PETSC_UNUSED DMLabel rgLabel, DM *rdm)
2463: {
2464: DMPlexTransform tr;
2465: DM cdm, rcdm;
2466: const char *prefix;
2467: PetscBool save;
2469: PetscFunctionBegin;
2470: PetscCall(DMPlexTransformCreate(PetscObjectComm((PetscObject)dm), &tr));
2471: PetscCall(PetscObjectSetName((PetscObject)tr, "Adapt Label Transform"));
2472: PetscCall(PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix));
2473: PetscCall(PetscObjectSetOptionsPrefix((PetscObject)tr, prefix));
2474: PetscCall(DMPlexTransformSetDM(tr, dm));
2475: PetscCall(DMPlexTransformSetFromOptions(tr));
2476: if (adaptLabel) PetscCall(DMPlexTransformSetActive(tr, adaptLabel));
2477: PetscCall(DMPlexTransformSetUp(tr));
2478: PetscCall(PetscObjectViewFromOptions((PetscObject)tr, NULL, "-dm_plex_transform_view"));
2479: PetscCall(DMPlexTransformApply(tr, dm, rdm));
2480: PetscCall(DMCopyDisc(dm, *rdm));
2481: PetscCall(DMGetCoordinateDM(dm, &cdm));
2482: PetscCall(DMGetCoordinateDM(*rdm, &rcdm));
2483: PetscCall(DMCopyDisc(cdm, rcdm));
2484: PetscCall(DMPlexTransformCreateDiscLabels(tr, *rdm));
2485: PetscCall(DMCopyDisc(dm, *rdm));
2486: PetscCall(DMPlexGetSaveTransform(dm, &save));
2487: if (save) PetscCall(DMPlexSetTransform(*rdm, tr));
2488: PetscCall(DMPlexTransformDestroy(&tr));
2489: ((DM_Plex *)(*rdm)->data)->useHashLocation = ((DM_Plex *)dm->data)->useHashLocation;
2490: PetscFunctionReturn(PETSC_SUCCESS);
2491: }