Actual source code: plexglvis.c
petsc-3.13.6 2020-09-29
1: #include <petsc/private/glvisviewerimpl.h>
2: #include <petsc/private/petscimpl.h>
3: #include <petsc/private/dmpleximpl.h>
4: #include <petscbt.h>
5: #include <petscdmplex.h>
6: #include <petscsf.h>
7: #include <petscds.h>
9: typedef struct {
10: PetscInt nf;
11: VecScatter *scctx;
12: } GLVisViewerCtx;
14: static PetscErrorCode DestroyGLVisViewerCtx_Private(void *vctx)
15: {
16: GLVisViewerCtx *ctx = (GLVisViewerCtx*)vctx;
17: PetscInt i;
21: for (i=0;i<ctx->nf;i++) {
22: VecScatterDestroy(&ctx->scctx[i]);
23: }
24: PetscFree(ctx->scctx);
25: PetscFree(vctx);
26: return(0);
27: }
29: static PetscErrorCode DMPlexSampleGLVisFields_Private(PetscObject oX, PetscInt nf, PetscObject oXfield[], void *vctx)
30: {
31: GLVisViewerCtx *ctx = (GLVisViewerCtx*)vctx;
32: PetscInt f;
36: for (f=0;f<nf;f++) {
37: VecScatterBegin(ctx->scctx[f],(Vec)oX,(Vec)oXfield[f],INSERT_VALUES,SCATTER_FORWARD);
38: VecScatterEnd(ctx->scctx[f],(Vec)oX,(Vec)oXfield[f],INSERT_VALUES,SCATTER_FORWARD);
39: }
40: return(0);
41: }
43: /* for FEM, it works for H1 fields only and extracts dofs at cell vertices, discarding any other dof */
44: PetscErrorCode DMSetUpGLVisViewer_Plex(PetscObject odm, PetscViewer viewer)
45: {
46: DM dm = (DM)odm;
47: Vec xlocal,xfield,*Ufield;
48: PetscDS ds;
49: IS globalNum,isfield;
50: PetscBT vown;
51: char **fieldname = NULL,**fec_type = NULL;
52: const PetscInt *gNum;
53: PetscInt *nlocal,*bs,*idxs,*dims;
54: PetscInt f,maxfields,nfields,c,totc,totdofs,Nv,cum,i;
55: PetscInt dim,cStart,cEnd,vStart,vEnd;
56: GLVisViewerCtx *ctx;
57: PetscSection s;
61: DMGetDimension(dm,&dim);
62: DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);
63: DMPlexGetHeightStratum(dm,0,&cStart,&cEnd);
64: PetscObjectQuery((PetscObject)dm,"_glvis_plex_gnum",(PetscObject*)&globalNum);
65: if (!globalNum) {
66: DMPlexCreateCellNumbering_Internal(dm,PETSC_TRUE,&globalNum);
67: PetscObjectCompose((PetscObject)dm,"_glvis_plex_gnum",(PetscObject)globalNum);
68: PetscObjectDereference((PetscObject)globalNum);
69: }
70: ISGetIndices(globalNum,&gNum);
71: PetscBTCreate(vEnd-vStart,&vown);
72: for (c = cStart, totc = 0; c < cEnd; c++) {
73: if (gNum[c-cStart] >= 0) {
74: PetscInt i,numPoints,*points = NULL;
76: totc++;
77: DMPlexGetTransitiveClosure(dm,c,PETSC_TRUE,&numPoints,&points);
78: for (i=0;i<numPoints*2;i+= 2) {
79: if ((points[i] >= vStart) && (points[i] < vEnd)) {
80: PetscBTSet(vown,points[i]-vStart);
81: }
82: }
83: DMPlexRestoreTransitiveClosure(dm,c,PETSC_TRUE,&numPoints,&points);
84: }
85: }
86: for (f=0,Nv=0;f<vEnd-vStart;f++) if (PetscLikely(PetscBTLookup(vown,f))) Nv++;
88: DMCreateLocalVector(dm,&xlocal);
89: VecGetLocalSize(xlocal,&totdofs);
90: DMGetLocalSection(dm,&s);
91: PetscSectionGetNumFields(s,&nfields);
92: for (f=0,maxfields=0;f<nfields;f++) {
93: PetscInt bs;
95: PetscSectionGetFieldComponents(s,f,&bs);
96: maxfields += bs;
97: }
98: PetscCalloc7(maxfields,&fieldname,maxfields,&nlocal,maxfields,&bs,maxfields,&dims,maxfields,&fec_type,totdofs,&idxs,maxfields,&Ufield);
99: PetscNew(&ctx);
100: PetscCalloc1(maxfields,&ctx->scctx);
101: DMGetDS(dm,&ds);
102: if (ds) {
103: for (f=0;f<nfields;f++) {
104: const char* fname;
105: char name[256];
106: PetscObject disc;
107: size_t len;
109: PetscSectionGetFieldName(s,f,&fname);
110: PetscStrlen(fname,&len);
111: if (len) {
112: PetscStrcpy(name,fname);
113: } else {
114: PetscSNPrintf(name,256,"Field%D",f);
115: }
116: PetscDSGetDiscretization(ds,f,&disc);
117: if (disc) {
118: PetscClassId id;
119: PetscInt Nc;
120: char fec[64];
122: PetscObjectGetClassId(disc, &id);
123: if (id == PETSCFE_CLASSID) {
124: PetscFE fem = (PetscFE)disc;
125: PetscDualSpace sp;
126: PetscDualSpaceType spname;
127: PetscInt order;
128: PetscBool islag,continuous,H1 = PETSC_TRUE;
130: PetscFEGetNumComponents(fem,&Nc);
131: PetscFEGetDualSpace(fem,&sp);
132: PetscDualSpaceGetType(sp,&spname);
133: PetscStrcmp(spname,PETSCDUALSPACELAGRANGE,&islag);
134: if (!islag) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Unsupported dual space");
135: PetscDualSpaceLagrangeGetContinuity(sp,&continuous);
136: PetscDualSpaceGetOrder(sp,&order);
137: if (continuous && order > 0) { /* no support for high-order viz, still have to figure out the numbering */
138: PetscSNPrintf(fec,64,"FiniteElementCollection: H1_%DD_P1",dim);
139: } else {
140: if (!continuous && order) SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Discontinuous space visualization currently unsupported for order %D",order);
141: H1 = PETSC_FALSE;
142: PetscSNPrintf(fec,64,"FiniteElementCollection: L2_%DD_P%D",dim,order);
143: }
144: PetscStrallocpy(name,&fieldname[ctx->nf]);
145: bs[ctx->nf] = Nc;
146: dims[ctx->nf] = dim;
147: if (H1) {
148: nlocal[ctx->nf] = Nc * Nv;
149: PetscStrallocpy(fec,&fec_type[ctx->nf]);
150: VecCreateSeq(PETSC_COMM_SELF,Nv*Nc,&xfield);
151: for (i=0,cum=0;i<vEnd-vStart;i++) {
152: PetscInt j,off;
154: if (PetscUnlikely(!PetscBTLookup(vown,i))) continue;
155: PetscSectionGetFieldOffset(s,i+vStart,f,&off);
156: for (j=0;j<Nc;j++) idxs[cum++] = off + j;
157: }
158: ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),Nv*Nc,idxs,PETSC_USE_POINTER,&isfield);
159: } else {
160: nlocal[ctx->nf] = Nc * totc;
161: PetscStrallocpy(fec,&fec_type[ctx->nf]);
162: VecCreateSeq(PETSC_COMM_SELF,Nc*totc,&xfield);
163: for (i=0,cum=0;i<cEnd-cStart;i++) {
164: PetscInt j,off;
166: if (PetscUnlikely(gNum[i] < 0)) continue;
167: PetscSectionGetFieldOffset(s,i+cStart,f,&off);
168: for (j=0;j<Nc;j++) idxs[cum++] = off + j;
169: }
170: ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc*Nc,idxs,PETSC_USE_POINTER,&isfield);
171: }
172: VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);
173: VecDestroy(&xfield);
174: ISDestroy(&isfield);
175: ctx->nf++;
176: } else if (id == PETSCFV_CLASSID) {
177: PetscInt c;
179: PetscFVGetNumComponents((PetscFV)disc,&Nc);
180: PetscSNPrintf(fec,64,"FiniteElementCollection: L2_%DD_P0",dim);
181: for (c = 0; c < Nc; c++) {
182: char comp[256];
183: PetscSNPrintf(comp,256,"%s-Comp%D",name,c);
184: PetscStrallocpy(comp,&fieldname[ctx->nf]);
185: bs[ctx->nf] = 1; /* Does PetscFV support components with different block size? */
186: nlocal[ctx->nf] = totc;
187: dims[ctx->nf] = dim;
188: PetscStrallocpy(fec,&fec_type[ctx->nf]);
189: VecCreateSeq(PETSC_COMM_SELF,totc,&xfield);
190: for (i=0,cum=0;i<cEnd-cStart;i++) {
191: PetscInt off;
193: if (PetscUnlikely(gNum[i])<0) continue;
194: PetscSectionGetFieldOffset(s,i+cStart,f,&off);
195: idxs[cum++] = off + c;
196: }
197: ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc,idxs,PETSC_USE_POINTER,&isfield);
198: VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);
199: VecDestroy(&xfield);
200: ISDestroy(&isfield);
201: ctx->nf++;
202: }
203: } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_ARG_WRONG,"Unknown discretization type for field %D",f);
204: } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Missing discretization for field %D",f);
205: }
206: } else SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Needs a DS attached to the DM");
207: PetscBTDestroy(&vown);
208: VecDestroy(&xlocal);
209: ISRestoreIndices(globalNum,&gNum);
211: /* create work vectors */
212: for (f=0;f<ctx->nf;f++) {
213: VecCreateMPI(PetscObjectComm((PetscObject)dm),nlocal[f],PETSC_DECIDE,&Ufield[f]);
214: PetscObjectSetName((PetscObject)Ufield[f],fieldname[f]);
215: VecSetBlockSize(Ufield[f],bs[f]);
216: VecSetDM(Ufield[f],dm);
217: }
219: /* customize the viewer */
220: PetscViewerGLVisSetFields(viewer,ctx->nf,(const char**)fec_type,dims,DMPlexSampleGLVisFields_Private,(PetscObject*)Ufield,ctx,DestroyGLVisViewerCtx_Private);
221: for (f=0;f<ctx->nf;f++) {
222: PetscFree(fieldname[f]);
223: PetscFree(fec_type[f]);
224: VecDestroy(&Ufield[f]);
225: }
226: PetscFree7(fieldname,nlocal,bs,dims,fec_type,idxs,Ufield);
227: return(0);
228: }
230: typedef enum {MFEM_POINT=0,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE,MFEM_TETRAHEDRON,MFEM_CUBE,MFEM_PRISM,MFEM_UNDEF} MFEM_cid;
232: MFEM_cid mfem_table_cid[4][7] = { {MFEM_POINT,MFEM_UNDEF,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF,MFEM_UNDEF},
233: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF,MFEM_UNDEF},
234: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE ,MFEM_UNDEF,MFEM_UNDEF},
235: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_TETRAHEDRON,MFEM_PRISM,MFEM_CUBE } };
237: MFEM_cid mfem_table_cid_unint[4][9] = { {MFEM_POINT,MFEM_UNDEF,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF,MFEM_PRISM,MFEM_UNDEF,MFEM_UNDEF},
238: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF,MFEM_PRISM,MFEM_UNDEF,MFEM_UNDEF},
239: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE ,MFEM_UNDEF,MFEM_PRISM,MFEM_UNDEF,MFEM_UNDEF},
240: {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_TETRAHEDRON,MFEM_UNDEF,MFEM_PRISM,MFEM_UNDEF,MFEM_CUBE } };
242: static PetscErrorCode DMPlexGetPointMFEMCellID_Internal(DM dm, DMLabel label, PetscInt minl, PetscInt p, PetscInt *mid, PetscInt *cid)
243: {
244: DMLabel dlabel;
245: PetscInt depth,csize,pdepth,dim;
249: DMPlexGetDepthLabel(dm,&dlabel);
250: DMLabelGetValue(dlabel,p,&pdepth);
251: DMPlexGetConeSize(dm,p,&csize);
252: DMPlexGetDepth(dm,&depth);
253: DMGetDimension(dm,&dim);
254: if (label) {
255: DMLabelGetValue(label,p,mid);
256: *mid = *mid - minl + 1; /* MFEM does not like negative markers */
257: } else *mid = 1;
258: if (depth >=0 && dim != depth) { /* not interpolated, it assumes cell-vertex mesh */
259: #if defined PETSC_USE_DEBUG
260: if (dim < 0 || dim > 3) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Dimension %D",dim);
261: if (csize > 8) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Found cone size %D for point %D",csize,p);
262: if (depth != 1) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Found depth %D for point %D. You should interpolate the mesh first",depth,p);
263: #endif
264: *cid = mfem_table_cid_unint[dim][csize];
265: } else {
266: #if defined PETSC_USE_DEBUG
267: if (csize > 6) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cone size %D for point %D",csize,p);
268: if (pdepth < 0 || pdepth > 3) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Depth %D for point %D",csize,p);
269: #endif
270: *cid = mfem_table_cid[pdepth][csize];
271: }
272: return(0);
273: }
275: static PetscErrorCode DMPlexGetPointMFEMVertexIDs_Internal(DM dm, PetscInt p, PetscSection csec, PetscInt *nv, PetscInt vids[])
276: {
277: PetscInt dim,sdim,dof = 0,off = 0,i,q,vStart,vEnd,numPoints,*points = NULL;
281: DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);
282: DMGetDimension(dm,&dim);
283: sdim = dim;
284: if (csec) {
285: PetscInt sStart,sEnd;
287: DMGetCoordinateDim(dm,&sdim);
288: PetscSectionGetChart(csec,&sStart,&sEnd);
289: PetscSectionGetOffset(csec,vStart,&off);
290: off = off/sdim;
291: if (p >= sStart && p < sEnd) {
292: PetscSectionGetDof(csec,p,&dof);
293: }
294: }
295: if (!dof) {
296: DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);
297: for (i=0,q=0;i<numPoints*2;i+= 2)
298: if ((points[i] >= vStart) && (points[i] < vEnd))
299: vids[q++] = points[i]-vStart+off;
300: DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);
301: } else {
302: PetscSectionGetOffset(csec,p,&off);
303: PetscSectionGetDof(csec,p,&dof);
304: for (q=0;q<dof/sdim;q++) vids[q] = off/sdim + q;
305: }
306: *nv = q;
307: return(0);
308: }
310: /*
311: ASCII visualization/dump: full support for simplices and tensor product cells. It supports AMR
312: Higher order meshes are also supported
313: */
314: static PetscErrorCode DMPlexView_GLVis_ASCII(DM dm, PetscViewer viewer)
315: {
316: DMLabel label;
317: PetscSection coordSection,parentSection;
318: Vec coordinates,hovec;
319: const PetscScalar *array;
320: PetscInt bf,p,sdim,dim,depth,novl,minl;
321: PetscInt cStart,cEnd,vStart,vEnd,nvert;
322: PetscMPIInt size;
323: PetscBool localized,isascii;
324: PetscBool enable_mfem,enable_boundary,enable_ncmesh,view_ovl = PETSC_FALSE;
325: PetscBT pown,vown;
326: PetscErrorCode ierr;
327: PetscContainer glvis_container;
328: PetscBool cellvertex = PETSC_FALSE, periodic, enabled = PETSC_TRUE;
329: PetscBool enable_emark,enable_bmark;
330: const char *fmt;
331: char emark[64] = "",bmark[64] = "";
336: PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);
337: if (!isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERASCII");
338: MPI_Comm_size(PetscObjectComm((PetscObject)viewer),&size);
339: if (size > 1) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Use single sequential viewers for parallel visualization");
340: DMGetDimension(dm,&dim);
342: /* get container: determines if a process visualizes is portion of the data or not */
343: PetscObjectQuery((PetscObject)viewer,"_glvis_info_container",(PetscObject*)&glvis_container);
344: if (!glvis_container) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_PLIB,"Missing GLVis container");
345: {
346: PetscViewerGLVisInfo glvis_info;
347: PetscContainerGetPointer(glvis_container,(void**)&glvis_info);
348: enabled = glvis_info->enabled;
349: fmt = glvis_info->fmt;
350: }
352: /* Users can attach a coordinate vector to the DM in case they have a higher-order mesh
353: DMPlex does not currently support HO meshes, so there's no API for this */
354: PetscObjectQuery((PetscObject)dm,"_glvis_mesh_coords",(PetscObject*)&hovec);
356: DMPlexGetHeightStratum(dm,0,&cStart,&cEnd);
357: DMPlexGetGhostCellStratum(dm,&p,NULL);
358: if (p >= 0) cEnd = p;
359: DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);
360: DMGetPeriodicity(dm,&periodic,NULL,NULL,NULL);
361: DMGetCoordinatesLocalized(dm,&localized);
362: if (periodic && !localized && !hovec) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Coordinates need to be localized");
363: DMGetCoordinateSection(dm,&coordSection);
364: DMGetCoordinateDim(dm,&sdim);
365: DMGetCoordinatesLocal(dm,&coordinates);
366: if (!coordinates && !hovec) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Missing local coordinates vector");
368: /*
369: a couple of sections of the mesh specification are disabled
370: - boundary: the boundary is not needed for proper mesh visualization unless we want to visualize boundary attributes or we have high-order coordinates in 3D (topologically)
371: - vertex_parents: used for non-conforming meshes only when we want to use MFEM as a discretization package
372: and be able to derefine the mesh (MFEM does not currently have to ability to read ncmeshes in parallel)
373: */
374: enable_boundary = PETSC_FALSE;
375: enable_ncmesh = PETSC_FALSE;
376: enable_mfem = PETSC_FALSE;
377: enable_emark = PETSC_FALSE;
378: enable_bmark = PETSC_FALSE;
379: /* I'm tired of problems with negative values in the markers, disable them */
380: PetscOptionsBegin(PetscObjectComm((PetscObject)dm),((PetscObject)dm)->prefix,"GLVis PetscViewer DMPlex Options","PetscViewer");
381: PetscOptionsBool("-viewer_glvis_dm_plex_enable_boundary","Enable boundary section in mesh representation",NULL,enable_boundary,&enable_boundary,NULL);
382: PetscOptionsBool("-viewer_glvis_dm_plex_enable_ncmesh","Enable vertex_parents section in mesh representation (allows derefinement)",NULL,enable_ncmesh,&enable_ncmesh,NULL);
383: PetscOptionsBool("-viewer_glvis_dm_plex_enable_mfem","Dump a mesh that can be used with MFEM's FiniteElementSpaces",NULL,enable_mfem,&enable_mfem,NULL);
384: PetscOptionsBool("-viewer_glvis_dm_plex_overlap","Include overlap region in local meshes",NULL,view_ovl,&view_ovl,NULL);
385: PetscOptionsString("-viewer_glvis_dm_plex_emarker","String for the material id label",NULL,emark,emark,sizeof(emark),&enable_emark);
386: PetscOptionsString("-viewer_glvis_dm_plex_bmarker","String for the boundary id label",NULL,bmark,bmark,sizeof(bmark),&enable_bmark);
387: PetscOptionsEnd();
388: if (enable_bmark) enable_boundary = PETSC_TRUE;
390: MPI_Comm_size(PetscObjectComm((PetscObject)dm),&size);
391: if (enable_ncmesh && size > 1) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Not supported in parallel");
392: DMPlexGetDepth(dm,&depth);
393: if (enable_boundary && depth >= 0 && dim != depth) SETERRQ(PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be interpolated. "
394: "Alternatively, run with -viewer_glvis_dm_plex_enable_boundary 0");
395: if (enable_ncmesh && depth >= 0 && dim != depth) SETERRQ(PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be interpolated. "
396: "Alternatively, run with -viewer_glvis_dm_plex_enable_ncmesh 0");
397: if (depth >=0 && dim != depth) { /* not interpolated, it assumes cell-vertex mesh */
398: if (depth != 1) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unsupported depth %D. You should interpolate the mesh first",depth);
399: cellvertex = PETSC_TRUE;
400: }
402: /* Identify possible cells in the overlap */
403: novl = 0;
404: pown = NULL;
405: if (size > 1) {
406: IS globalNum = NULL;
407: const PetscInt *gNum;
408: PetscBool ovl = PETSC_FALSE;
410: PetscObjectQuery((PetscObject)dm,"_glvis_plex_gnum",(PetscObject*)&globalNum);
411: if (!globalNum) {
412: if (view_ovl) {
413: ISCreateStride(PetscObjectComm((PetscObject)dm),cEnd-cStart,0,1,&globalNum);
414: } else {
415: DMPlexCreateCellNumbering_Internal(dm,PETSC_TRUE,&globalNum);
416: }
417: PetscObjectCompose((PetscObject)dm,"_glvis_plex_gnum",(PetscObject)globalNum);
418: PetscObjectDereference((PetscObject)globalNum);
419: }
420: ISGetIndices(globalNum,&gNum);
421: for (p=cStart; p<cEnd; p++) {
422: if (gNum[p-cStart] < 0) {
423: ovl = PETSC_TRUE;
424: novl++;
425: }
426: }
427: if (ovl) {
428: /* it may happen that pown get not destroyed, if the user closes the window while this function is running.
429: TODO: garbage collector? attach pown to dm? */
430: PetscBTCreate(cEnd-cStart,&pown);
431: for (p=cStart; p<cEnd; p++) {
432: if (gNum[p-cStart] < 0) continue;
433: else {
434: PetscBTSet(pown,p-cStart);
435: }
436: }
437: }
438: ISRestoreIndices(globalNum,&gNum);
439: }
441: /* return if this process is disabled */
442: if (!enabled) {
443: PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");
444: PetscViewerASCIIPrintf(viewer,"\ndimension\n");
445: PetscViewerASCIIPrintf(viewer,"%D\n",dim);
446: PetscViewerASCIIPrintf(viewer,"\nelements\n");
447: PetscViewerASCIIPrintf(viewer,"%D\n",0);
448: PetscViewerASCIIPrintf(viewer,"\nboundary\n");
449: PetscViewerASCIIPrintf(viewer,"%D\n",0);
450: PetscViewerASCIIPrintf(viewer,"\nvertices\n");
451: PetscViewerASCIIPrintf(viewer,"%D\n",0);
452: PetscViewerASCIIPrintf(viewer,"%D\n",sdim);
453: PetscBTDestroy(&pown);
454: return(0);
455: }
457: if (enable_mfem) {
458: if (periodic && !hovec) { /* we need to generate a vector of L2 coordinates, as this is how MFEM handles periodic meshes */
459: PetscInt vpc = 0;
460: char fec[64];
461: PetscInt vids[8] = {0,1,2,3,4,5,6,7};
462: PetscInt hexv[8] = {0,1,3,2,4,5,7,6}, tetv[4] = {0,1,2,3};
463: PetscInt quadv[8] = {0,1,3,2}, triv[3] = {0,1,2};
464: PetscInt *dof = NULL;
465: PetscScalar *array,*ptr;
467: PetscSNPrintf(fec,sizeof(fec),"FiniteElementCollection: L2_T1_%DD_P1",dim);
468: if (cEnd-cStart) {
469: PetscInt fpc;
471: DMPlexGetConeSize(dm,cStart,&fpc);
472: switch(dim) {
473: case 1:
474: vpc = 2;
475: dof = hexv;
476: break;
477: case 2:
478: switch (fpc) {
479: case 3:
480: vpc = 3;
481: dof = triv;
482: break;
483: case 4:
484: vpc = 4;
485: dof = quadv;
486: break;
487: default:
488: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc);
489: break;
490: }
491: break;
492: case 3:
493: switch (fpc) {
494: case 4: /* TODO: still need to understand L2 ordering for tets */
495: vpc = 4;
496: dof = tetv;
497: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled tethraedral case");
498: break;
499: case 6:
500: if (cellvertex) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: vertices per cell %D",fpc);
501: vpc = 8;
502: dof = hexv;
503: break;
504: case 8:
505: if (!cellvertex) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc);
506: vpc = 8;
507: dof = hexv;
508: break;
509: default:
510: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc);
511: break;
512: }
513: break;
514: default:
515: SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Unhandled dim");
516: break;
517: }
518: DMPlexReorderCell(dm,cStart,vids);
519: }
520: if (!dof) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_PLIB,"Missing dofs");
521: VecCreateSeq(PETSC_COMM_SELF,(cEnd-cStart-novl)*vpc*sdim,&hovec);
522: PetscObjectCompose((PetscObject)dm,"_glvis_mesh_coords",(PetscObject)hovec);
523: PetscObjectDereference((PetscObject)hovec);
524: PetscObjectSetName((PetscObject)hovec,fec);
525: VecGetArray(hovec,&array);
526: ptr = array;
527: for (p=cStart;p<cEnd;p++) {
528: PetscInt csize,v,d;
529: PetscScalar *vals = NULL;
531: if (PetscUnlikely(pown && !PetscBTLookup(pown,p-cStart))) continue;
532: DMPlexVecGetClosure(dm,coordSection,coordinates,p,&csize,&vals);
533: if (csize != vpc*sdim && csize != vpc*sdim*2) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unsupported closure size %D (vpc %D, sdim %D)",csize,vpc,sdim);
534: for (v=0;v<vpc;v++) {
535: for (d=0;d<sdim;d++) {
536: ptr[sdim*dof[v]+d] = vals[sdim*vids[v]+d];
537: }
538: }
539: ptr += vpc*sdim;
540: DMPlexVecRestoreClosure(dm,coordSection,coordinates,p,&csize,&vals);
541: }
542: VecRestoreArray(hovec,&array);
543: }
544: }
545: /* if we have high-order coordinates in 3D, we need to specify the boundary */
546: if (hovec && dim == 3) enable_boundary = PETSC_TRUE;
548: /* header */
549: PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");
551: /* topological dimension */
552: PetscViewerASCIIPrintf(viewer,"\ndimension\n");
553: PetscViewerASCIIPrintf(viewer,"%D\n",dim);
555: /* elements */
556: minl = 1;
557: label = NULL;
558: if (enable_emark) {
559: PetscInt lminl = PETSC_MAX_INT;
561: DMGetLabel(dm,emark,&label);
562: if (label) {
563: IS vals;
564: PetscInt ldef;
566: DMLabelGetDefaultValue(label,&ldef);
567: DMLabelGetValueIS(label,&vals);
568: ISGetMinMax(vals,&lminl,NULL);
569: ISDestroy(&vals);
570: lminl = PetscMin(ldef,lminl);
571: }
572: MPIU_Allreduce(&lminl,&minl,1,MPIU_INT,MPI_MIN,PetscObjectComm((PetscObject)dm));
573: if (minl == PETSC_MAX_INT) minl = 1;
574: }
575: PetscViewerASCIIPrintf(viewer,"\nelements\n");
576: PetscViewerASCIIPrintf(viewer,"%D\n",cEnd-cStart-novl);
577: for (p=cStart;p<cEnd;p++) {
578: PetscInt vids[8];
579: PetscInt i,nv = 0,cid = -1,mid = 1;
581: if (PetscUnlikely(pown && !PetscBTLookup(pown,p-cStart))) continue;
582: DMPlexGetPointMFEMCellID_Internal(dm,label,minl,p,&mid,&cid);
583: DMPlexGetPointMFEMVertexIDs_Internal(dm,p,(localized && !hovec) ? coordSection : NULL,&nv,vids);
584: DMPlexReorderCell(dm,p,vids);
585: PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);
586: for (i=0;i<nv;i++) {
587: PetscViewerASCIIPrintf(viewer," %D",vids[i]);
588: }
589: PetscViewerASCIIPrintf(viewer,"\n");
590: }
592: /* boundary */
593: PetscViewerASCIIPrintf(viewer,"\nboundary\n");
594: if (!enable_boundary) {
595: PetscViewerASCIIPrintf(viewer,"%D\n",0);
596: } else {
597: DMLabel perLabel;
598: PetscBT bfaces;
599: PetscInt fStart,fEnd,*fcells;
601: DMPlexGetHeightStratum(dm,1,&fStart,&fEnd);
602: PetscBTCreate(fEnd-fStart,&bfaces);
603: DMPlexGetMaxSizes(dm,NULL,&p);
604: PetscMalloc1(p,&fcells);
605: DMGetLabel(dm,"glvis_periodic_cut",&perLabel);
606: if (!perLabel && localized) { /* this periodic cut can be moved up to DMPlex setup */
607: DMCreateLabel(dm,"glvis_periodic_cut");
608: DMGetLabel(dm,"glvis_periodic_cut",&perLabel);
609: DMLabelSetDefaultValue(perLabel,1);
610: for (p=cStart;p<cEnd;p++) {
611: DMPolytopeType cellType;
612: PetscInt dof;
614: DMPlexGetCellType(dm,p,&cellType);
615: PetscSectionGetDof(coordSection,p,&dof);
616: if (dof) {
617: PetscInt uvpc, v,csize,cellClosureSize,*cellClosure = NULL,*vidxs = NULL;
618: PetscScalar *vals = NULL;
620: uvpc = DMPolytopeTypeGetNumVertices(cellType);
621: if (dof%sdim) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Incompatible number of cell dofs %D and space dimension %D",dof,sdim);
622: if (dof/sdim != uvpc) SETERRQ3(PETSC_COMM_SELF,PETSC_ERR_SUP,"Incompatible number of cell dofs %D, vertices %D and space dim %D",dof/sdim,uvpc,sdim);
623: DMPlexVecGetClosure(dm,coordSection,coordinates,p,&csize,&vals);
624: DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&cellClosureSize,&cellClosure);
625: for (v=0;v<cellClosureSize;v++)
626: if (cellClosure[2*v] >= vStart && cellClosure[2*v] < vEnd) {
627: vidxs = cellClosure + 2*v;
628: break;
629: }
630: if (!vidxs) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Missing vertices");
631: for (v=0;v<uvpc;v++) {
632: PetscInt s;
634: for (s=0;s<sdim;s++) {
635: if (PetscAbsScalar(vals[v*sdim+s]-vals[v*sdim+s+uvpc*sdim])>PETSC_MACHINE_EPSILON) {
636: DMLabelSetValue(perLabel,vidxs[2*v],2);
637: }
638: }
639: }
640: DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&cellClosureSize,&cellClosure);
641: DMPlexVecRestoreClosure(dm,coordSection,coordinates,p,&csize,&vals);
642: }
643: }
644: if (dim > 1) {
645: PetscInt eEnd,eStart;
647: DMPlexGetDepthStratum(dm,1,&eStart,&eEnd);
648: for (p=eStart;p<eEnd;p++) {
649: const PetscInt *cone;
650: PetscInt coneSize,i;
651: PetscBool ispe = PETSC_TRUE;
653: DMPlexGetCone(dm,p,&cone);
654: DMPlexGetConeSize(dm,p,&coneSize);
655: for (i=0;i<coneSize;i++) {
656: PetscInt v;
658: DMLabelGetValue(perLabel,cone[i],&v);
659: ispe = (PetscBool)(ispe && (v==2));
660: }
661: if (ispe && coneSize) {
662: PetscInt ch, numChildren;
663: const PetscInt *children;
665: DMLabelSetValue(perLabel,p,2);
666: DMPlexGetTreeChildren(dm,p,&numChildren,&children);
667: for (ch = 0; ch < numChildren; ch++) {
668: DMLabelSetValue(perLabel,children[ch],2);
669: }
670: }
671: }
672: if (dim > 2) {
673: for (p=fStart;p<fEnd;p++) {
674: const PetscInt *cone;
675: PetscInt coneSize,i;
676: PetscBool ispe = PETSC_TRUE;
678: DMPlexGetCone(dm,p,&cone);
679: DMPlexGetConeSize(dm,p,&coneSize);
680: for (i=0;i<coneSize;i++) {
681: PetscInt v;
683: DMLabelGetValue(perLabel,cone[i],&v);
684: ispe = (PetscBool)(ispe && (v==2));
685: }
686: if (ispe && coneSize) {
687: PetscInt ch, numChildren;
688: const PetscInt *children;
690: DMLabelSetValue(perLabel,p,2);
691: DMPlexGetTreeChildren(dm,p,&numChildren,&children);
692: for (ch = 0; ch < numChildren; ch++) {
693: DMLabelSetValue(perLabel,children[ch],2);
694: }
695: }
696: }
697: }
698: }
699: }
700: for (p=fStart;p<fEnd;p++) {
701: const PetscInt *support;
702: PetscInt supportSize;
703: PetscBool isbf = PETSC_FALSE;
705: DMPlexGetSupportSize(dm,p,&supportSize);
706: if (pown) {
707: PetscBool has_owned = PETSC_FALSE, has_ghost = PETSC_FALSE;
708: PetscInt i;
710: DMPlexGetSupport(dm,p,&support);
711: for (i=0;i<supportSize;i++) {
712: if (PetscLikely(PetscBTLookup(pown,support[i]-cStart))) has_owned = PETSC_TRUE;
713: else has_ghost = PETSC_TRUE;
714: }
715: isbf = (PetscBool)((supportSize == 1 && has_owned) || (supportSize > 1 && has_owned && has_ghost));
716: } else {
717: isbf = (PetscBool)(supportSize == 1);
718: }
719: if (!isbf && perLabel) {
720: const PetscInt *cone;
721: PetscInt coneSize,i;
723: DMPlexGetCone(dm,p,&cone);
724: DMPlexGetConeSize(dm,p,&coneSize);
725: isbf = PETSC_TRUE;
726: for (i=0;i<coneSize;i++) {
727: PetscInt v,d;
729: DMLabelGetValue(perLabel,cone[i],&v);
730: DMLabelGetDefaultValue(perLabel,&d);
731: isbf = (PetscBool)(isbf && v != d);
732: }
733: }
734: if (isbf) {
735: PetscBTSet(bfaces,p-fStart);
736: }
737: }
738: /* count boundary faces */
739: for (p=fStart,bf=0;p<fEnd;p++) {
740: if (PetscUnlikely(PetscBTLookup(bfaces,p-fStart))) {
741: const PetscInt *support;
742: PetscInt supportSize,c;
744: DMPlexGetSupportSize(dm,p,&supportSize);
745: DMPlexGetSupport(dm,p,&support);
746: for (c=0;c<supportSize;c++) {
747: const PetscInt *cone;
748: PetscInt cell,cl,coneSize;
750: cell = support[c];
751: if (pown && PetscUnlikely(!PetscBTLookup(pown,cell-cStart))) continue;
752: DMPlexGetCone(dm,cell,&cone);
753: DMPlexGetConeSize(dm,cell,&coneSize);
754: for (cl=0;cl<coneSize;cl++) {
755: if (cone[cl] == p) {
756: bf += 1;
757: break;
758: }
759: }
760: }
761: }
762: }
763: minl = 1;
764: label = NULL;
765: if (enable_bmark) {
766: PetscInt lminl = PETSC_MAX_INT;
768: DMGetLabel(dm,bmark,&label);
769: if (label) {
770: IS vals;
771: PetscInt ldef;
773: DMLabelGetDefaultValue(label,&ldef);
774: DMLabelGetValueIS(label,&vals);
775: ISGetMinMax(vals,&lminl,NULL);
776: ISDestroy(&vals);
777: lminl = PetscMin(ldef,lminl);
778: }
779: MPIU_Allreduce(&lminl,&minl,1,MPIU_INT,MPI_MIN,PetscObjectComm((PetscObject)dm));
780: if (minl == PETSC_MAX_INT) minl = 1;
781: }
782: PetscViewerASCIIPrintf(viewer,"%D\n",bf);
783: for (p=fStart;p<fEnd;p++) {
784: if (PetscUnlikely(PetscBTLookup(bfaces,p-fStart))) {
785: const PetscInt *support;
786: PetscInt supportSize,c,nc = 0;
788: DMPlexGetSupportSize(dm,p,&supportSize);
789: DMPlexGetSupport(dm,p,&support);
790: if (pown) {
791: for (c=0;c<supportSize;c++) {
792: if (PetscLikely(PetscBTLookup(pown,support[c]-cStart))) {
793: fcells[nc++] = support[c];
794: }
795: }
796: } else for (c=0;c<supportSize;c++) fcells[nc++] = support[c];
797: for (c=0;c<nc;c++) {
798: const DMPolytopeType *faceTypes;
799: DMPolytopeType cellType;
800: const PetscInt *faceSizes,*cone;
801: PetscInt vids[8],*faces,st,i,coneSize,cell,cl,nv,cid = -1,mid = -1;
803: cell = fcells[c];
804: DMPlexGetCone(dm,cell,&cone);
805: DMPlexGetConeSize(dm,cell,&coneSize);
806: for (cl=0;cl<coneSize;cl++)
807: if (cone[cl] == p)
808: break;
809: if (cl == coneSize) continue;
811: /* face material id and type */
812: DMPlexGetPointMFEMCellID_Internal(dm,label,minl,p,&mid,&cid);
813: PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);
814: /* vertex ids */
815: DMPlexGetCellType(dm,cell,&cellType);
816: DMPlexGetPointMFEMVertexIDs_Internal(dm,cell,(localized && !hovec) ? coordSection : NULL,&nv,vids);
817: DMPlexGetRawFaces_Internal(dm,cellType,vids,NULL,&faceTypes,&faceSizes,(const PetscInt**)&faces);
818: st = 0;
819: for (i=0;i<cl;i++) st += faceSizes[i];
820: DMPlexInvertCell(faceTypes[cl],faces + st);
821: for (i=0;i<faceSizes[cl];i++) {
822: PetscViewerASCIIPrintf(viewer," %d",faces[st+i]);
823: }
824: PetscViewerASCIIPrintf(viewer,"\n");
825: DMPlexRestoreRawFaces_Internal(dm,cellType,vids,NULL,&faceTypes,&faceSizes,(const PetscInt**)&faces);
826: bf -= 1;
827: }
828: }
829: }
830: if (bf) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Remaining boundary faces %D",bf);
831: PetscBTDestroy(&bfaces);
832: PetscFree(fcells);
833: }
835: /* mark owned vertices */
836: vown = NULL;
837: if (pown) {
838: PetscBTCreate(vEnd-vStart,&vown);
839: for (p=cStart;p<cEnd;p++) {
840: PetscInt i,closureSize,*closure = NULL;
842: if (PetscUnlikely(!PetscBTLookup(pown,p-cStart))) continue;
843: DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);
844: for (i=0;i<closureSize;i++) {
845: const PetscInt pp = closure[2*i];
847: if (pp >= vStart && pp < vEnd) {
848: PetscBTSet(vown,pp-vStart);
849: }
850: }
851: DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);
852: }
853: }
855: /* vertex_parents (Non-conforming meshes) */
856: parentSection = NULL;
857: if (enable_ncmesh) {
858: DMPlexGetTree(dm,&parentSection,NULL,NULL,NULL,NULL);
859: }
860: if (parentSection) {
861: PetscInt vp,gvp;
863: for (vp=0,p=vStart;p<vEnd;p++) {
864: DMLabel dlabel;
865: PetscInt parent,depth;
867: if (PetscUnlikely(vown && !PetscBTLookup(vown,p-vStart))) continue;
868: DMPlexGetDepthLabel(dm,&dlabel);
869: DMLabelGetValue(dlabel,p,&depth);
870: DMPlexGetTreeParent(dm,p,&parent,NULL);
871: if (parent != p) vp++;
872: }
873: MPIU_Allreduce(&vp,&gvp,1,MPIU_INT,MPI_SUM,PetscObjectComm((PetscObject)dm));
874: if (gvp) {
875: PetscInt maxsupp;
876: PetscBool *skip = NULL;
878: PetscViewerASCIIPrintf(viewer,"\nvertex_parents\n");
879: PetscViewerASCIIPrintf(viewer,"%D\n",vp);
880: DMPlexGetMaxSizes(dm,NULL,&maxsupp);
881: PetscMalloc1(maxsupp,&skip);
882: for (p=vStart;p<vEnd;p++) {
883: DMLabel dlabel;
884: PetscInt parent;
886: if (PetscUnlikely(vown && !PetscBTLookup(vown,p-vStart))) continue;
887: DMPlexGetDepthLabel(dm,&dlabel);
888: DMPlexGetTreeParent(dm,p,&parent,NULL);
889: if (parent != p) {
890: PetscInt vids[8] = { -1, -1, -1, -1, -1, -1, -1, -1 }; /* silent overzealous clang static analyzer */
891: PetscInt i,nv,ssize,n,numChildren,depth = -1;
892: const PetscInt *children;
894: DMPlexGetConeSize(dm,parent,&ssize);
895: switch (ssize) {
896: case 2: /* edge */
897: nv = 0;
898: DMPlexGetPointMFEMVertexIDs_Internal(dm,parent,localized ? coordSection : NULL,&nv,vids);
899: PetscViewerASCIIPrintf(viewer,"%D",p-vStart);
900: for (i=0;i<nv;i++) {
901: PetscViewerASCIIPrintf(viewer," %D",vids[i]);
902: }
903: PetscViewerASCIIPrintf(viewer,"\n");
904: vp--;
905: break;
906: case 4: /* face */
907: DMPlexGetTreeChildren(dm,parent,&numChildren,&children);
908: for (n=0;n<numChildren;n++) {
909: DMLabelGetValue(dlabel,children[n],&depth);
910: if (!depth) {
911: const PetscInt *hvsupp,*hesupp,*cone;
912: PetscInt hvsuppSize,hesuppSize,coneSize;
913: PetscInt hv = children[n],he = -1,f;
915: PetscArrayzero(skip,maxsupp);
916: DMPlexGetSupportSize(dm,hv,&hvsuppSize);
917: DMPlexGetSupport(dm,hv,&hvsupp);
918: for (i=0;i<hvsuppSize;i++) {
919: PetscInt ep;
920: DMPlexGetTreeParent(dm,hvsupp[i],&ep,NULL);
921: if (ep != hvsupp[i]) {
922: he = hvsupp[i];
923: } else {
924: skip[i] = PETSC_TRUE;
925: }
926: }
927: if (he == -1) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Vertex %D support size %D: hanging edge not found",hv,hvsuppSize);
928: DMPlexGetCone(dm,he,&cone);
929: vids[0] = (cone[0] == hv) ? cone[1] : cone[0];
930: DMPlexGetSupportSize(dm,he,&hesuppSize);
931: DMPlexGetSupport(dm,he,&hesupp);
932: for (f=0;f<hesuppSize;f++) {
933: PetscInt j;
935: DMPlexGetCone(dm,hesupp[f],&cone);
936: DMPlexGetConeSize(dm,hesupp[f],&coneSize);
937: for (j=0;j<coneSize;j++) {
938: PetscInt k;
939: for (k=0;k<hvsuppSize;k++) {
940: if (hvsupp[k] == cone[j]) {
941: skip[k] = PETSC_TRUE;
942: break;
943: }
944: }
945: }
946: }
947: for (i=0;i<hvsuppSize;i++) {
948: if (!skip[i]) {
949: DMPlexGetCone(dm,hvsupp[i],&cone);
950: vids[1] = (cone[0] == hv) ? cone[1] : cone[0];
951: }
952: }
953: PetscViewerASCIIPrintf(viewer,"%D",hv-vStart);
954: for (i=0;i<2;i++) {
955: PetscViewerASCIIPrintf(viewer," %D",vids[i]-vStart);
956: }
957: PetscViewerASCIIPrintf(viewer,"\n");
958: vp--;
959: }
960: }
961: break;
962: default:
963: SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Don't know how to deal with support size %D",ssize);
964: }
965: }
966: }
967: PetscFree(skip);
968: }
969: if (vp) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Unexpected %D hanging vertices",vp);
970: }
971: PetscBTDestroy(&pown);
972: PetscBTDestroy(&vown);
974: /* vertices */
975: if (hovec) { /* higher-order meshes */
976: const char *fec;
977: PetscInt i,n,s;
979: PetscViewerASCIIPrintf(viewer,"\nvertices\n");
980: PetscViewerASCIIPrintf(viewer,"%D\n",vEnd-vStart);
981: PetscViewerASCIIPrintf(viewer,"nodes\n");
982: PetscObjectGetName((PetscObject)hovec,&fec);
983: PetscViewerASCIIPrintf(viewer,"FiniteElementSpace\n");
984: PetscViewerASCIIPrintf(viewer,"%s\n",fec);
985: PetscViewerASCIIPrintf(viewer,"VDim: %D\n",sdim);
986: PetscViewerASCIIPrintf(viewer,"Ordering: 1\n\n"); /*Ordering::byVDIM*/
987: VecGetArrayRead(hovec,&array);
988: VecGetLocalSize(hovec,&n);
989: if (n%sdim) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Size of local coordinate vector %D incompatible with space dimension %D",n,sdim);
990: for (i=0;i<n/sdim;i++) {
991: for (s=0;s<sdim;s++) {
992: PetscViewerASCIIPrintf(viewer,fmt,PetscRealPart(array[i*sdim+s]));
993: }
994: PetscViewerASCIIPrintf(viewer,"\n");
995: }
996: VecRestoreArrayRead(hovec,&array);
997: } else {
998: VecGetLocalSize(coordinates,&nvert);
999: PetscViewerASCIIPrintf(viewer,"\nvertices\n");
1000: PetscViewerASCIIPrintf(viewer,"%D\n",nvert/sdim);
1001: PetscViewerASCIIPrintf(viewer,"%D\n",sdim);
1002: VecGetArrayRead(coordinates,&array);
1003: for (p=0;p<nvert/sdim;p++) {
1004: PetscInt s;
1005: for (s=0;s<sdim;s++) {
1006: PetscReal v = PetscRealPart(array[p*sdim+s]);
1008: PetscViewerASCIIPrintf(viewer,fmt,PetscIsInfOrNanReal(v) ? 0.0 : v);
1009: }
1010: PetscViewerASCIIPrintf(viewer,"\n");
1011: }
1012: VecRestoreArrayRead(coordinates,&array);
1013: }
1014: return(0);
1015: }
1017: PetscErrorCode DMPlexView_GLVis(DM dm, PetscViewer viewer)
1018: {
1021: DMView_GLVis(dm,viewer,DMPlexView_GLVis_ASCII);
1022: return(0);
1023: }