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> 8 9 typedef struct { 10 PetscInt nf; 11 VecScatter *scctx; 12 } GLVisViewerCtx; 13 14 static PetscErrorCode DestroyGLVisViewerCtx_Private(void *vctx) 15 { 16 GLVisViewerCtx *ctx = (GLVisViewerCtx*)vctx; 17 PetscInt i; 18 PetscErrorCode ierr; 19 20 PetscFunctionBegin; 21 for (i=0;i<ctx->nf;i++) { 22 ierr = VecScatterDestroy(&ctx->scctx[i]);CHKERRQ(ierr); 23 } 24 ierr = PetscFree(ctx->scctx);CHKERRQ(ierr); 25 ierr = PetscFree(vctx);CHKERRQ(ierr); 26 PetscFunctionReturn(0); 27 } 28 29 static PetscErrorCode DMPlexSampleGLVisFields_Private(PetscObject oX, PetscInt nf, PetscObject oXfield[], void *vctx) 30 { 31 GLVisViewerCtx *ctx = (GLVisViewerCtx*)vctx; 32 PetscInt f; 33 PetscErrorCode ierr; 34 35 PetscFunctionBegin; 36 for (f=0;f<nf;f++) { 37 ierr = VecScatterBegin(ctx->scctx[f],(Vec)oX,(Vec)oXfield[f],INSERT_VALUES,SCATTER_FORWARD);CHKERRQ(ierr); 38 ierr = VecScatterEnd(ctx->scctx[f],(Vec)oX,(Vec)oXfield[f],INSERT_VALUES,SCATTER_FORWARD);CHKERRQ(ierr); 39 } 40 PetscFunctionReturn(0); 41 } 42 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,cEndInterior,vStart,vEnd; 56 GLVisViewerCtx *ctx; 57 PetscSection s; 58 PetscErrorCode ierr; 59 60 PetscFunctionBegin; 61 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 62 ierr = DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);CHKERRQ(ierr); 63 ierr = DMPlexGetHeightStratum(dm,0,&cStart,&cEnd);CHKERRQ(ierr); 64 ierr = DMPlexGetHybridBounds(dm, &cEndInterior, NULL, NULL, NULL);CHKERRQ(ierr); 65 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 66 ierr = DMPlexGetCellNumbering(dm,&globalNum);CHKERRQ(ierr); 67 ierr = ISGetIndices(globalNum,&gNum);CHKERRQ(ierr); 68 ierr = PetscBTCreate(vEnd-vStart,&vown);CHKERRQ(ierr); 69 for (c = cStart, totc = 0; c < cEnd; c++) { 70 if (gNum[c-cStart] >= 0) { 71 PetscInt i,numPoints,*points = NULL; 72 73 totc++; 74 ierr = DMPlexGetTransitiveClosure(dm,c,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 75 for (i=0;i<numPoints*2;i+= 2) { 76 if ((points[i] >= vStart) && (points[i] < vEnd)) { 77 ierr = PetscBTSet(vown,points[i]-vStart);CHKERRQ(ierr); 78 } 79 } 80 ierr = DMPlexRestoreTransitiveClosure(dm,c,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 81 } 82 } 83 for (f=0,Nv=0;f<vEnd-vStart;f++) if (PetscLikely(PetscBTLookup(vown,f))) Nv++; 84 85 ierr = DMCreateLocalVector(dm,&xlocal);CHKERRQ(ierr); 86 ierr = VecGetLocalSize(xlocal,&totdofs);CHKERRQ(ierr); 87 ierr = DMGetDefaultSection(dm,&s);CHKERRQ(ierr); 88 ierr = PetscSectionGetNumFields(s,&nfields);CHKERRQ(ierr); 89 for (f=0,maxfields=0;f<nfields;f++) { 90 PetscInt bs; 91 92 ierr = PetscSectionGetFieldComponents(s,f,&bs);CHKERRQ(ierr); 93 maxfields += bs; 94 } 95 ierr = PetscCalloc7(maxfields,&fieldname,maxfields,&nlocal,maxfields,&bs,maxfields,&dims,maxfields,&fec_type,totdofs,&idxs,maxfields,&Ufield);CHKERRQ(ierr); 96 ierr = PetscNew(&ctx);CHKERRQ(ierr); 97 ierr = PetscCalloc1(maxfields,&ctx->scctx);CHKERRQ(ierr); 98 ierr = DMGetDS(dm,&ds);CHKERRQ(ierr); 99 if (ds) { 100 for (f=0;f<nfields;f++) { 101 const char* fname; 102 char name[256]; 103 PetscObject disc; 104 size_t len; 105 106 ierr = PetscSectionGetFieldName(s,f,&fname);CHKERRQ(ierr); 107 ierr = PetscStrlen(fname,&len);CHKERRQ(ierr); 108 if (len) { 109 ierr = PetscStrcpy(name,fname);CHKERRQ(ierr); 110 } else { 111 ierr = PetscSNPrintf(name,256,"Field%d",f);CHKERRQ(ierr); 112 } 113 ierr = PetscDSGetDiscretization(ds,f,&disc);CHKERRQ(ierr); 114 if (disc) { 115 PetscClassId id; 116 PetscInt Nc; 117 char fec[64]; 118 119 ierr = PetscObjectGetClassId(disc, &id);CHKERRQ(ierr); 120 if (id == PETSCFE_CLASSID) { 121 PetscFE fem = (PetscFE)disc; 122 PetscDualSpace sp; 123 PetscDualSpaceType spname; 124 PetscInt order; 125 PetscBool islag,continuous,H1 = PETSC_TRUE; 126 127 ierr = PetscFEGetNumComponents(fem,&Nc);CHKERRQ(ierr); 128 ierr = PetscFEGetDualSpace(fem,&sp);CHKERRQ(ierr); 129 ierr = PetscDualSpaceGetType(sp,&spname);CHKERRQ(ierr); 130 ierr = PetscStrcmp(spname,PETSCDUALSPACELAGRANGE,&islag);CHKERRQ(ierr); 131 if (!islag) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Unsupported dual space"); 132 ierr = PetscDualSpaceLagrangeGetContinuity(sp,&continuous);CHKERRQ(ierr); 133 if (!continuous) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Discontinuous space visualization currently unsupported"); 134 ierr = PetscDualSpaceGetOrder(sp,&order);CHKERRQ(ierr); 135 if (continuous && order > 0) { 136 ierr = PetscSNPrintf(fec,64,"FiniteElementCollection: H1_%dD_P1",dim);CHKERRQ(ierr); 137 } else { 138 H1 = PETSC_FALSE; 139 ierr = PetscSNPrintf(fec,64,"FiniteElementCollection: L2_%dD_P%d",dim,order);CHKERRQ(ierr); 140 } 141 ierr = PetscStrallocpy(name,&fieldname[ctx->nf]);CHKERRQ(ierr); 142 bs[ctx->nf] = Nc; 143 dims[ctx->nf] = dim; 144 if (H1) { 145 nlocal[ctx->nf] = Nc * Nv; 146 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 147 ierr = VecCreateSeq(PETSC_COMM_SELF,Nv*Nc,&xfield);CHKERRQ(ierr); 148 for (i=0,cum=0;i<vEnd-vStart;i++) { 149 PetscInt j,off; 150 151 if (PetscUnlikely(!PetscBTLookup(vown,i))) continue; 152 ierr = PetscSectionGetFieldOffset(s,i+vStart,f,&off);CHKERRQ(ierr); 153 for (j=0;j<Nc;j++) idxs[cum++] = off + j; 154 } 155 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),Nv*Nc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 156 } else { 157 nlocal[ctx->nf] = Nc * totc; 158 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 159 ierr = VecCreateSeq(PETSC_COMM_SELF,Nc*totc,&xfield);CHKERRQ(ierr); 160 for (i=0,cum=0;i<cEnd-cStart;i++) { 161 PetscInt j,off; 162 163 if (PetscUnlikely(gNum[i] < 0)) continue; 164 ierr = PetscSectionGetFieldOffset(s,i+cStart,f,&off);CHKERRQ(ierr); 165 for (j=0;j<Nc;j++) idxs[cum++] = off + j; 166 } 167 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc*Nc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 168 } 169 ierr = VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);CHKERRQ(ierr); 170 ierr = VecDestroy(&xfield);CHKERRQ(ierr); 171 ierr = ISDestroy(&isfield);CHKERRQ(ierr); 172 ctx->nf++; 173 } else if (id == PETSCFV_CLASSID) { 174 PetscInt c; 175 176 ierr = PetscFVGetNumComponents((PetscFV)disc,&Nc);CHKERRQ(ierr); 177 ierr = PetscSNPrintf(fec,64,"FiniteElementCollection: L2_%dD_P0",dim);CHKERRQ(ierr); 178 for (c = 0; c < Nc; c++) { 179 char comp[256]; 180 ierr = PetscSNPrintf(comp,256,"%s-Comp%d",name,c);CHKERRQ(ierr); 181 ierr = PetscStrallocpy(comp,&fieldname[ctx->nf]);CHKERRQ(ierr); 182 bs[ctx->nf] = 1; /* Does PetscFV support components with different block size? */ 183 nlocal[ctx->nf] = totc; 184 dims[ctx->nf] = dim; 185 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 186 ierr = VecCreateSeq(PETSC_COMM_SELF,totc,&xfield);CHKERRQ(ierr); 187 for (i=0,cum=0;i<cEnd-cStart;i++) { 188 PetscInt off; 189 190 if (PetscUnlikely(gNum[i])<0) continue; 191 ierr = PetscSectionGetFieldOffset(s,i+cStart,f,&off);CHKERRQ(ierr); 192 idxs[cum++] = off + c; 193 } 194 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 195 ierr = VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);CHKERRQ(ierr); 196 ierr = VecDestroy(&xfield);CHKERRQ(ierr); 197 ierr = ISDestroy(&isfield);CHKERRQ(ierr); 198 ctx->nf++; 199 } 200 } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_ARG_WRONG,"Unknown discretization type for field %D",f); 201 } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Missing discretization for field %D",f); 202 } 203 } else SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Needs a DS attached to the DM"); 204 ierr = PetscBTDestroy(&vown);CHKERRQ(ierr); 205 ierr = VecDestroy(&xlocal);CHKERRQ(ierr); 206 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 207 208 /* create work vectors */ 209 for (f=0;f<ctx->nf;f++) { 210 ierr = VecCreateMPI(PetscObjectComm((PetscObject)dm),nlocal[f],PETSC_DECIDE,&Ufield[f]);CHKERRQ(ierr); 211 ierr = PetscObjectSetName((PetscObject)Ufield[f],fieldname[f]);CHKERRQ(ierr); 212 ierr = VecSetBlockSize(Ufield[f],bs[f]);CHKERRQ(ierr); 213 ierr = VecSetDM(Ufield[f],dm);CHKERRQ(ierr); 214 } 215 216 /* customize the viewer */ 217 ierr = PetscViewerGLVisSetFields(viewer,ctx->nf,(const char**)fec_type,dims,DMPlexSampleGLVisFields_Private,(PetscObject*)Ufield,ctx,DestroyGLVisViewerCtx_Private);CHKERRQ(ierr); 218 for (f=0;f<ctx->nf;f++) { 219 ierr = PetscFree(fieldname[f]);CHKERRQ(ierr); 220 ierr = PetscFree(fec_type[f]);CHKERRQ(ierr); 221 ierr = VecDestroy(&Ufield[f]);CHKERRQ(ierr); 222 } 223 ierr = PetscFree7(fieldname,nlocal,bs,dims,fec_type,idxs,Ufield);CHKERRQ(ierr); 224 PetscFunctionReturn(0); 225 } 226 227 typedef enum {MFEM_POINT=0,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE,MFEM_TETRAHEDRON,MFEM_CUBE,MFEM_UNDEF} MFEM_cid; 228 229 MFEM_cid mfem_table_cid[4][7] = { {MFEM_POINT,MFEM_UNDEF,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF, MFEM_UNDEF}, 230 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF, MFEM_UNDEF}, 231 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE ,MFEM_UNDEF, MFEM_UNDEF}, 232 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_TETRAHEDRON,MFEM_UNDEF, MFEM_CUBE } }; 233 234 static PetscErrorCode DMPlexGetPointMFEMCellID_Internal(DM dm, DMLabel label, PetscInt p, PetscInt *mid, PetscInt *cid) 235 { 236 DMLabel dlabel; 237 PetscInt depth,csize; 238 PetscErrorCode ierr; 239 240 PetscFunctionBegin; 241 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 242 ierr = DMLabelGetValue(dlabel,p,&depth);CHKERRQ(ierr); 243 ierr = DMPlexGetConeSize(dm,p,&csize);CHKERRQ(ierr); 244 if (label) { 245 ierr = DMLabelGetValue(label,p,mid);CHKERRQ(ierr); 246 } else *mid = 1; 247 *cid = mfem_table_cid[depth][csize]; 248 PetscFunctionReturn(0); 249 } 250 251 static PetscErrorCode DMPlexGetPointMFEMVertexIDs_Internal(DM dm, PetscInt p, PetscSection csec, PetscInt *nv, int vids[]) 252 { 253 PetscInt dim,sdim,dof = 0,off = 0,i,q,vStart,vEnd,numPoints,*points = NULL; 254 PetscErrorCode ierr; 255 256 PetscFunctionBegin; 257 ierr = DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);CHKERRQ(ierr); 258 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 259 sdim = dim; 260 if (csec) { 261 ierr = DMGetCoordinateDim(dm,&sdim);CHKERRQ(ierr); 262 ierr = PetscSectionGetOffset(csec,vStart,&off);CHKERRQ(ierr); 263 off = off/sdim; 264 ierr = PetscSectionGetDof(csec,p,&dof);CHKERRQ(ierr); 265 } 266 if (!dof) { 267 ierr = DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 268 for (i=0,q=0;i<numPoints*2;i+= 2) 269 if ((points[i] >= vStart) && (points[i] < vEnd)) 270 vids[q++] = points[i]-vStart+off; 271 ierr = DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 272 } else { 273 ierr = PetscSectionGetOffset(csec,p,&off);CHKERRQ(ierr); 274 ierr = PetscSectionGetDof(csec,p,&dof);CHKERRQ(ierr); 275 for (q=0;q<dof/sdim;q++) vids[q] = off/sdim + q; 276 } 277 *nv = q; 278 PetscFunctionReturn(0); 279 } 280 281 /* 282 ASCII visualization/dump: full support for simplices and tensor product cells. It supports AMR 283 Higher order meshes are also supported 284 */ 285 static PetscErrorCode DMPlexView_GLVis_ASCII(DM dm, PetscViewer viewer) 286 { 287 DMLabel label; 288 PetscSection coordSection,parentSection; 289 Vec coordinates,hovec; 290 IS globalNum = NULL; 291 const PetscScalar *array; 292 const PetscInt *gNum; 293 PetscInt bf,p,sdim,dim,depth,novl; 294 PetscInt cStart,cEnd,cEndInterior,vStart,vEnd,nvert; 295 PetscMPIInt commsize; 296 PetscBool localized,ovl,isascii,enable_boundary,enable_ncmesh; 297 PetscBT pown; 298 PetscErrorCode ierr; 299 PetscContainer glvis_container; 300 PetscBool periodic, enabled = PETSC_TRUE; 301 const char *fmt; 302 303 PetscFunctionBegin; 304 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 305 PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); 306 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);CHKERRQ(ierr); 307 if (!isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERASCII"); 308 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)viewer),&commsize);CHKERRQ(ierr); 309 if (commsize > 1) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Use single sequential viewers for parallel visualization"); 310 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 311 ierr = DMPlexGetDepth(dm,&depth);CHKERRQ(ierr); 312 if (depth >= 0 && dim != depth) SETERRQ(PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be interpolated"); 313 314 /* get container: determines if a process visualizes is portion of the data or not */ 315 ierr = PetscObjectQuery((PetscObject)viewer,"_glvis_info_container",(PetscObject*)&glvis_container);CHKERRQ(ierr); 316 if (!glvis_container) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_PLIB,"Missing GLVis container"); 317 { 318 PetscViewerGLVisInfo glvis_info; 319 ierr = PetscContainerGetPointer(glvis_container,(void**)&glvis_info);CHKERRQ(ierr); 320 enabled = glvis_info->enabled; 321 fmt = glvis_info->fmt; 322 } 323 ierr = DMPlexGetHybridBounds(dm, &cEndInterior, NULL, NULL, NULL);CHKERRQ(ierr); 324 ierr = DMPlexGetHeightStratum(dm,0,&cStart,&cEnd);CHKERRQ(ierr); 325 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 326 ierr = DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);CHKERRQ(ierr); 327 ierr = DMGetPeriodicity(dm,&periodic,NULL,NULL,NULL);CHKERRQ(ierr); 328 ierr = DMGetCoordinatesLocalized(dm,&localized);CHKERRQ(ierr); 329 if (periodic && !localized) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Coordinates need to be localized"); 330 ierr = DMGetCoordinateSection(dm,&coordSection);CHKERRQ(ierr); 331 ierr = DMGetCoordinateDim(dm,&sdim);CHKERRQ(ierr); 332 ierr = DMGetCoordinatesLocal(dm,&coordinates);CHKERRQ(ierr); 333 334 /* Users can attach a coordinate vector to the DM in case they have a higher-order mesh 335 DMPlex does not currently support HO meshes, so there's no API for this */ 336 ierr = PetscObjectQuery((PetscObject)dm,"_glvis_mesh_coords",(PetscObject*)&hovec);CHKERRQ(ierr); 337 338 /* 339 a couple of sections of the mesh specification are disabled 340 - boundary: unless we want to visualize boundary attributes or we have a periodic mesh 341 the boundary is not needed for proper mesh visualization 342 - vertex_parents: used for non-conforming meshes only when we want to use MFEM as a discretization package 343 and be able to derefine the mesh 344 */ 345 enable_boundary = periodic; 346 enable_ncmesh = PETSC_FALSE; 347 ierr = PetscOptionsBegin(PetscObjectComm((PetscObject)dm),((PetscObject)dm)->prefix,"GLVis PetscViewer DMPlex Options","PetscViewer");CHKERRQ(ierr); 348 ierr = PetscOptionsBool("-viewer_glvis_dm_plex_enable_boundary","Enable boundary section in mesh representation; useful for debugging purposes",NULL,enable_boundary,&enable_boundary,NULL);CHKERRQ(ierr); 349 ierr = PetscOptionsBool("-viewer_glvis_dm_plex_enable_ncmesh","Enable vertex_parents section in mesh representation; useful for debugging purposes",NULL,enable_ncmesh,&enable_ncmesh,NULL);CHKERRQ(ierr); 350 ierr = PetscOptionsEnd();CHKERRQ(ierr); 351 352 /* Identify possible cells in the overlap */ 353 gNum = NULL; 354 novl = 0; 355 ovl = PETSC_FALSE; 356 pown = NULL; 357 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)dm),&commsize);CHKERRQ(ierr); 358 if (commsize > 1) { 359 ierr = DMPlexGetCellNumbering(dm,&globalNum);CHKERRQ(ierr); 360 ierr = ISGetIndices(globalNum,&gNum);CHKERRQ(ierr); 361 for (p=cStart; p<cEnd; p++) { 362 if (gNum[p-cStart] < 0) { 363 ovl = PETSC_TRUE; 364 novl++; 365 } 366 } 367 if (ovl) { 368 /* it may happen that pown get not destroyed, if the user closes the window while this function is running. 369 TODO: garbage collector? attach pown to dm? */ 370 ierr = PetscBTCreate(PetscMax(cEnd-cStart,vEnd-vStart),&pown);CHKERRQ(ierr); 371 } 372 } 373 374 if (!enabled) { 375 ierr = PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");CHKERRQ(ierr); 376 ierr = PetscViewerASCIIPrintf(viewer,"\ndimension\n");CHKERRQ(ierr); 377 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",dim);CHKERRQ(ierr); 378 ierr = PetscViewerASCIIPrintf(viewer,"\nelements\n");CHKERRQ(ierr); 379 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 380 ierr = PetscViewerASCIIPrintf(viewer,"\nboundary\n");CHKERRQ(ierr); 381 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 382 ierr = PetscViewerASCIIPrintf(viewer,"\nvertices\n");CHKERRQ(ierr); 383 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 384 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",sdim);CHKERRQ(ierr); 385 ierr = PetscBTDestroy(&pown);CHKERRQ(ierr); 386 if (globalNum) { 387 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 388 } 389 PetscFunctionReturn(0); 390 } 391 392 /* header */ 393 ierr = PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");CHKERRQ(ierr); 394 395 /* topological dimension */ 396 ierr = PetscViewerASCIIPrintf(viewer,"\ndimension\n");CHKERRQ(ierr); 397 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",dim);CHKERRQ(ierr); 398 399 /* elements */ 400 /* TODO: is this the label we want to use for marking material IDs? 401 We should decide to have a single marker for these stuff 402 Proposal: DMSetMaterialLabel? 403 */ 404 ierr = DMGetLabel(dm,"Cell Sets",&label);CHKERRQ(ierr); 405 ierr = PetscViewerASCIIPrintf(viewer,"\nelements\n");CHKERRQ(ierr); 406 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",cEnd-cStart-novl);CHKERRQ(ierr); 407 for (p=cStart;p<cEnd;p++) { 408 int vids[8]; 409 PetscInt i,nv = 0,cid = -1,mid = 1; 410 411 if (ovl) { 412 if (gNum[p-cStart] < 0) continue; 413 else { 414 ierr = PetscBTSet(pown,p-cStart);CHKERRQ(ierr); 415 } 416 } 417 ierr = DMPlexGetPointMFEMCellID_Internal(dm,label,p,&mid,&cid);CHKERRQ(ierr); 418 ierr = DMPlexGetPointMFEMVertexIDs_Internal(dm,p,(localized && !hovec) ? coordSection : NULL,&nv,vids);CHKERRQ(ierr); 419 ierr = DMPlexInvertCell(dim,nv,vids);CHKERRQ(ierr); 420 ierr = PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);CHKERRQ(ierr); 421 for (i=0;i<nv;i++) { 422 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]);CHKERRQ(ierr); 423 } 424 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 425 } 426 427 /* boundary */ 428 ierr = PetscViewerASCIIPrintf(viewer,"\nboundary\n");CHKERRQ(ierr); 429 if (!enable_boundary) { 430 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 431 } else { 432 DMLabel perLabel; 433 PetscBT bfaces; 434 PetscInt fStart,fEnd,fEndInterior,*fcells; 435 PetscInt *faces = NULL,fpc = 0,vpf = 0, vpc = 0; 436 PetscInt fv1[] = {0,1}, 437 fv2tri[] = {0,1, 438 1,2, 439 2,0}, 440 fv2quad[] = {0,1, 441 1,2, 442 2,3, 443 3,0}, 444 fv3tet[] = {0,1,2, 445 0,3,1, 446 0,2,3, 447 2,1,3}, 448 fv3hex[] = {0,1,2,3, 449 4,5,6,7, 450 0,3,5,4, 451 2,1,7,6, 452 3,2,6,5, 453 0,4,7,1}; 454 455 /* determine orientation of boundary mesh */ 456 if (cEnd-cStart) { 457 ierr = DMPlexGetConeSize(dm,cStart,&fpc);CHKERRQ(ierr); 458 switch(dim) { 459 case 1: 460 if (fpc != 2) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case faces per cell %D",fpc); 461 faces = fv1; 462 vpf = 1; 463 vpc = 2; 464 break; 465 case 2: 466 switch (fpc) { 467 case 3: 468 faces = fv2tri; 469 vpf = 2; 470 vpc = 3; 471 break; 472 case 4: 473 faces = fv2quad; 474 vpf = 2; 475 vpc = 4; 476 break; 477 default: 478 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc); 479 break; 480 } 481 break; 482 case 3: 483 switch (fpc) { 484 case 4: 485 faces = fv3tet; 486 vpf = 3; 487 vpc = 4; 488 break; 489 case 6: 490 faces = fv3hex; 491 vpf = 4; 492 vpc = 8; 493 break; 494 default: 495 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc); 496 break; 497 } 498 break; 499 default: 500 SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Unhandled dim"); 501 break; 502 } 503 } 504 ierr = DMPlexGetHybridBounds(dm,NULL,&fEndInterior,NULL,NULL);CHKERRQ(ierr); 505 ierr = DMPlexGetHeightStratum(dm,1,&fStart,&fEnd);CHKERRQ(ierr); 506 fEnd = fEndInterior < 0 ? fEnd : fEndInterior; 507 ierr = PetscBTCreate(fEnd-fStart,&bfaces);CHKERRQ(ierr); 508 ierr = DMPlexGetMaxSizes(dm,NULL,&p);CHKERRQ(ierr); 509 ierr = PetscMalloc1(p,&fcells);CHKERRQ(ierr); 510 ierr = DMGetLabel(dm,"glvis_periodic_cut",&perLabel);CHKERRQ(ierr); 511 if (!perLabel && localized) { /* this periodic cut can be moved up to DMPlex setup */ 512 ierr = DMCreateLabel(dm,"glvis_periodic_cut");CHKERRQ(ierr); 513 ierr = DMGetLabel(dm,"glvis_periodic_cut",&perLabel);CHKERRQ(ierr); 514 ierr = DMLabelSetDefaultValue(perLabel,1);CHKERRQ(ierr); 515 for (p=cStart;p<cEnd;p++) { 516 PetscInt dof; 517 ierr = PetscSectionGetDof(coordSection,p,&dof);CHKERRQ(ierr); 518 if (dof) { 519 PetscInt v,csize,cellClosureSize,*cellClosure = NULL,*vidxs = NULL; 520 PetscScalar *vals = NULL; 521 522 if (dof%sdim) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Incompatible number of cell dofs %D and space dimension %D",dof,sdim); 523 if (dof/sdim != vpc) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Incompatible number of cell dofs %D and vertices %D",dof/sdim,vpc); 524 ierr = DMPlexVecGetClosure(dm,coordSection,coordinates,p,&csize,&vals);CHKERRQ(ierr); 525 ierr = DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 526 for (v=0;v<cellClosureSize;v++) 527 if (cellClosure[2*v] >= vStart && cellClosure[2*v] < vEnd) { 528 vidxs = cellClosure + 2*v; 529 break; 530 } 531 if (!vidxs) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Missing vertices"); 532 for (v=0;v<vpc;v++) { 533 PetscInt s; 534 for (s=0;s<sdim;s++) { 535 if (PetscAbsScalar(vals[v*sdim+s]-vals[v*sdim+s+vpc*sdim])>PETSC_MACHINE_EPSILON) { 536 ierr = DMLabelSetValue(perLabel,vidxs[2*v],2);CHKERRQ(ierr); 537 } 538 } 539 } 540 ierr = DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 541 ierr = DMPlexVecRestoreClosure(dm,coordSection,coordinates,p,&csize,&vals);CHKERRQ(ierr); 542 } 543 } 544 if (dim > 1) { 545 PetscInt eEnd,eStart,eEndInterior; 546 ierr = DMPlexGetHybridBounds(dm,NULL,NULL,&eEndInterior,NULL);CHKERRQ(ierr); 547 ierr = DMPlexGetDepthStratum(dm,1,&eStart,&eEnd);CHKERRQ(ierr); 548 eEnd = eEndInterior < 0 ? eEnd : eEndInterior; 549 for (p=eStart;p<eEnd;p++) { 550 const PetscInt *cone; 551 PetscInt coneSize,i; 552 PetscBool ispe = PETSC_TRUE; 553 554 ierr = DMPlexGetCone(dm,p,&cone);CHKERRQ(ierr); 555 ierr = DMPlexGetConeSize(dm,p,&coneSize);CHKERRQ(ierr); 556 for (i=0;i<coneSize;i++) { 557 PetscInt v; 558 559 ierr = DMLabelGetValue(perLabel,cone[i],&v);CHKERRQ(ierr); 560 ispe = (PetscBool)(ispe && (v==2)); 561 } 562 if (ispe && coneSize) { 563 ierr = DMLabelSetValue(perLabel,p,2);CHKERRQ(ierr); 564 } 565 } 566 if (dim > 2) { 567 for (p=fStart;p<fEnd;p++) { 568 const PetscInt *cone; 569 PetscInt coneSize,i; 570 PetscBool ispe = PETSC_TRUE; 571 572 ierr = DMPlexGetCone(dm,p,&cone);CHKERRQ(ierr); 573 ierr = DMPlexGetConeSize(dm,p,&coneSize);CHKERRQ(ierr); 574 for (i=0;i<coneSize;i++) { 575 PetscInt v; 576 577 ierr = DMLabelGetValue(perLabel,cone[i],&v);CHKERRQ(ierr); 578 ispe = (PetscBool)(ispe && (v==2)); 579 } 580 if (ispe && coneSize) { 581 ierr = DMLabelSetValue(perLabel,p,2);CHKERRQ(ierr); 582 } 583 } 584 } 585 } 586 } 587 for (p=fStart;p<fEnd;p++) { 588 const PetscInt *support; 589 PetscInt supportSize; 590 PetscBool isbf = PETSC_FALSE; 591 592 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 593 if (ovl) { 594 PetscBool has_owned = PETSC_FALSE, has_ghost = PETSC_FALSE; 595 PetscInt i; 596 597 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 598 for (i=0;i<supportSize;i++) { 599 if (PetscLikely(PetscBTLookup(pown,support[i]-cStart))) has_owned = PETSC_TRUE; 600 else has_ghost = PETSC_TRUE; 601 } 602 isbf = (PetscBool)((supportSize == 1 && has_owned) || (supportSize > 1 && has_owned && has_ghost)); 603 } else { 604 isbf = (PetscBool)(supportSize == 1); 605 } 606 if (!isbf && perLabel) { 607 const PetscInt *cone; 608 PetscInt coneSize,i; 609 610 ierr = DMPlexGetCone(dm,p,&cone);CHKERRQ(ierr); 611 ierr = DMPlexGetConeSize(dm,p,&coneSize);CHKERRQ(ierr); 612 isbf = PETSC_TRUE; 613 for (i=0;i<coneSize;i++) { 614 PetscInt v,d; 615 616 ierr = DMLabelGetValue(perLabel,cone[i],&v);CHKERRQ(ierr); 617 ierr = DMLabelGetDefaultValue(perLabel,&d);CHKERRQ(ierr); 618 isbf = (PetscBool)(isbf && v != d); 619 } 620 } 621 if (isbf) { 622 ierr = PetscBTSet(bfaces,p-fStart);CHKERRQ(ierr); 623 } 624 } 625 /* count boundary faces */ 626 for (p=fStart,bf=0;p<fEnd;p++) { 627 if (PetscUnlikely(PetscBTLookup(bfaces,p-fStart))) { 628 const PetscInt *support; 629 PetscInt supportSize,c; 630 631 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 632 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 633 if (ovl) { 634 for (c=0;c<supportSize;c++) { 635 if (PetscLikely(PetscBTLookup(pown,support[c]-cStart))) { 636 bf++; 637 } 638 } 639 } else bf += supportSize; 640 } 641 } 642 /* TODO: is this the label we want to use for marking boundary facets? 643 We should decide to have a single marker for these stuff 644 Proposal: DMSetBoundaryLabel? 645 */ 646 ierr = DMGetLabel(dm,"marker",&label);CHKERRQ(ierr); 647 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",bf);CHKERRQ(ierr); 648 for (p=fStart;p<fEnd;p++) { 649 if (PetscUnlikely(PetscBTLookup(bfaces,p-fStart))) { 650 const PetscInt *support; 651 PetscInt supportSize,c,nc = 0; 652 653 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 654 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 655 if (ovl) { 656 for (c=0;c<supportSize;c++) { 657 if (PetscLikely(PetscBTLookup(pown,support[c]-cStart))) { 658 fcells[nc++] = support[c]; 659 } 660 } 661 } else for (c=0;c<supportSize;c++) fcells[nc++] = support[c]; 662 for (c=0;c<nc;c++) { 663 const PetscInt *cone; 664 int vids[8]; 665 PetscInt i,cell,cl,nv,cid = -1,mid = -1; 666 667 cell = fcells[c]; 668 ierr = DMPlexGetCone(dm,cell,&cone);CHKERRQ(ierr); 669 for (cl=0;cl<fpc;cl++) 670 if (cone[cl] == p) 671 break; 672 673 /* face material id and type */ 674 ierr = DMPlexGetPointMFEMCellID_Internal(dm,label,p,&mid,&cid);CHKERRQ(ierr); 675 ierr = PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);CHKERRQ(ierr); 676 /* vertex ids */ 677 ierr = DMPlexGetPointMFEMVertexIDs_Internal(dm,cell,(localized && !hovec) ? coordSection : NULL,&nv,vids);CHKERRQ(ierr); 678 for (i=0;i<vpf;i++) { 679 ierr = PetscViewerASCIIPrintf(viewer," %D",vids[faces[cl*vpf+i]]);CHKERRQ(ierr); 680 } 681 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 682 } 683 bf = bf-nc; 684 } 685 } 686 if (bf) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Remaining boundary faces %D",bf); 687 ierr = PetscBTDestroy(&bfaces);CHKERRQ(ierr); 688 ierr = PetscFree(fcells);CHKERRQ(ierr); 689 } 690 691 /* mark owned vertices */ 692 if (ovl) { 693 ierr = PetscBTMemzero(vEnd-vStart,pown);CHKERRQ(ierr); 694 for (p=cStart;p<cEnd;p++) { 695 PetscInt i,closureSize,*closure = NULL; 696 697 if (gNum[p-cStart] < 0) continue; 698 ierr = DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);CHKERRQ(ierr); 699 for (i=0;i<closureSize;i++) { 700 const PetscInt pp = closure[2*i]; 701 702 if (pp >= vStart && pp < vEnd) { 703 ierr = PetscBTSet(pown,pp-vStart);CHKERRQ(ierr); 704 } 705 } 706 ierr = DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);CHKERRQ(ierr); 707 } 708 } 709 if (globalNum) { 710 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 711 } 712 713 /* vertex_parents (Non-conforming meshes) */ 714 parentSection = NULL; 715 if (enable_ncmesh) { 716 ierr = DMPlexGetTree(dm,&parentSection,NULL,NULL,NULL,NULL);CHKERRQ(ierr); 717 } 718 if (parentSection) { 719 PetscInt vp,gvp; 720 721 for (vp=0,p=vStart;p<vEnd;p++) { 722 DMLabel dlabel; 723 PetscInt parent,depth; 724 725 if (PetscUnlikely(ovl && !PetscBTLookup(pown,p-vStart))) continue; 726 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 727 ierr = DMLabelGetValue(dlabel,p,&depth);CHKERRQ(ierr); 728 ierr = DMPlexGetTreeParent(dm,p,&parent,NULL);CHKERRQ(ierr); 729 if (parent != p) vp++; 730 } 731 ierr = MPIU_Allreduce(&vp,&gvp,1,MPIU_INT,MPI_SUM,PetscObjectComm((PetscObject)dm));CHKERRQ(ierr); 732 if (gvp) { 733 PetscInt maxsupp; 734 PetscBool *skip = NULL; 735 736 ierr = PetscViewerASCIIPrintf(viewer,"\nvertex_parents\n");CHKERRQ(ierr); 737 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",vp);CHKERRQ(ierr); 738 ierr = DMPlexGetMaxSizes(dm,NULL,&maxsupp);CHKERRQ(ierr); 739 ierr = PetscMalloc1(maxsupp,&skip);CHKERRQ(ierr); 740 for (p=vStart;p<vEnd;p++) { 741 DMLabel dlabel; 742 PetscInt parent; 743 744 if (PetscUnlikely(ovl && !PetscBTLookup(pown,p-vStart))) continue; 745 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 746 ierr = DMPlexGetTreeParent(dm,p,&parent,NULL);CHKERRQ(ierr); 747 if (parent != p) { 748 int vids[8] = { -1, -1, -1, -1, -1, -1, -1, -1 }; /* silent overzealous clang static analyzer */ 749 PetscInt i,nv,size,n,numChildren,depth = -1; 750 const PetscInt *children; 751 ierr = DMPlexGetConeSize(dm,parent,&size);CHKERRQ(ierr); 752 switch (size) { 753 case 2: /* edge */ 754 nv = 0; 755 ierr = DMPlexGetPointMFEMVertexIDs_Internal(dm,parent,localized ? coordSection : NULL,&nv,vids);CHKERRQ(ierr); 756 ierr = DMPlexInvertCell(dim,nv,vids);CHKERRQ(ierr); 757 ierr = PetscViewerASCIIPrintf(viewer,"%D",p-vStart);CHKERRQ(ierr); 758 for (i=0;i<nv;i++) { 759 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]);CHKERRQ(ierr); 760 } 761 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 762 vp--; 763 break; 764 case 4: /* face */ 765 ierr = DMPlexGetTreeChildren(dm,parent,&numChildren,&children);CHKERRQ(ierr); 766 for (n=0;n<numChildren;n++) { 767 ierr = DMLabelGetValue(dlabel,children[n],&depth);CHKERRQ(ierr); 768 if (!depth) { 769 const PetscInt *hvsupp,*hesupp,*cone; 770 PetscInt hvsuppSize,hesuppSize,coneSize; 771 PetscInt hv = children[n],he = -1,f; 772 773 ierr = PetscMemzero(skip,maxsupp*sizeof(PetscBool));CHKERRQ(ierr); 774 ierr = DMPlexGetSupportSize(dm,hv,&hvsuppSize);CHKERRQ(ierr); 775 ierr = DMPlexGetSupport(dm,hv,&hvsupp);CHKERRQ(ierr); 776 for (i=0;i<hvsuppSize;i++) { 777 PetscInt ep; 778 ierr = DMPlexGetTreeParent(dm,hvsupp[i],&ep,NULL);CHKERRQ(ierr); 779 if (ep != hvsupp[i]) { 780 he = hvsupp[i]; 781 } else { 782 skip[i] = PETSC_TRUE; 783 } 784 } 785 if (he == -1) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Vertex %D support size %D: hanging edge not found",hv,hvsuppSize); 786 ierr = DMPlexGetCone(dm,he,&cone);CHKERRQ(ierr); 787 vids[0] = (int)((cone[0] == hv) ? cone[1] : cone[0]); 788 ierr = DMPlexGetSupportSize(dm,he,&hesuppSize);CHKERRQ(ierr); 789 ierr = DMPlexGetSupport(dm,he,&hesupp);CHKERRQ(ierr); 790 for (f=0;f<hesuppSize;f++) { 791 PetscInt j; 792 793 ierr = DMPlexGetCone(dm,hesupp[f],&cone);CHKERRQ(ierr); 794 ierr = DMPlexGetConeSize(dm,hesupp[f],&coneSize);CHKERRQ(ierr); 795 for (j=0;j<coneSize;j++) { 796 PetscInt k; 797 for (k=0;k<hvsuppSize;k++) { 798 if (hvsupp[k] == cone[j]) { 799 skip[k] = PETSC_TRUE; 800 break; 801 } 802 } 803 } 804 } 805 for (i=0;i<hvsuppSize;i++) { 806 if (!skip[i]) { 807 ierr = DMPlexGetCone(dm,hvsupp[i],&cone);CHKERRQ(ierr); 808 vids[1] = (int)((cone[0] == hv) ? cone[1] : cone[0]); 809 } 810 } 811 ierr = PetscViewerASCIIPrintf(viewer,"%D",hv-vStart);CHKERRQ(ierr); 812 for (i=0;i<2;i++) { 813 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]-vStart);CHKERRQ(ierr); 814 } 815 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 816 vp--; 817 } 818 } 819 break; 820 default: 821 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Don't know how to deal with support size %d",size); 822 } 823 } 824 } 825 ierr = PetscFree(skip);CHKERRQ(ierr); 826 } 827 if (vp) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Unexpected %D hanging vertices",vp); 828 } 829 ierr = PetscBTDestroy(&pown);CHKERRQ(ierr); 830 831 /* vertices */ 832 if (hovec) { /* higher-order meshes */ 833 const char *fec; 834 PetscInt i,n; 835 836 ierr = PetscViewerASCIIPrintf(viewer,"\nvertices\n");CHKERRQ(ierr); 837 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",vEnd-vStart);CHKERRQ(ierr); 838 ierr = PetscViewerASCIIPrintf(viewer,"nodes\n");CHKERRQ(ierr); 839 ierr = PetscObjectGetName((PetscObject)hovec,&fec);CHKERRQ(ierr); 840 ierr = PetscViewerASCIIPrintf(viewer,"FiniteElementSpace\n");CHKERRQ(ierr); 841 ierr = PetscViewerASCIIPrintf(viewer,"%s\n",fec);CHKERRQ(ierr); 842 ierr = PetscViewerASCIIPrintf(viewer,"VDim: %D\n",sdim);CHKERRQ(ierr); 843 ierr = PetscViewerASCIIPrintf(viewer,"Ordering: 1\n\n");CHKERRQ(ierr); /*Ordering::byVDIM*/ 844 ierr = VecGetArrayRead(hovec,&array);CHKERRQ(ierr); 845 ierr = VecGetLocalSize(hovec,&n);CHKERRQ(ierr); 846 if (n%sdim) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"Size of local coordinate vector %D incompatible with space dimension %D",n,sdim); 847 for (i=0;i<n/sdim;i++) { 848 PetscInt s; 849 for (s=0;s<sdim;s++) { 850 ierr = PetscViewerASCIIPrintf(viewer,fmt,PetscRealPart(array[i*sdim+s]));CHKERRQ(ierr); 851 } 852 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 853 } 854 ierr = VecRestoreArrayRead(hovec,&array);CHKERRQ(ierr); 855 } else { 856 ierr = VecGetLocalSize(coordinates,&nvert);CHKERRQ(ierr); 857 ierr = PetscViewerASCIIPrintf(viewer,"\nvertices\n");CHKERRQ(ierr); 858 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",nvert/sdim);CHKERRQ(ierr); 859 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",sdim);CHKERRQ(ierr); 860 ierr = VecGetArrayRead(coordinates,&array);CHKERRQ(ierr); 861 for (p=0;p<nvert/sdim;p++) { 862 PetscInt s; 863 for (s=0;s<sdim;s++) { 864 ierr = PetscViewerASCIIPrintf(viewer,fmt,PetscRealPart(array[p*sdim+s]));CHKERRQ(ierr); 865 } 866 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 867 } 868 ierr = VecRestoreArrayRead(coordinates,&array);CHKERRQ(ierr); 869 } 870 PetscFunctionReturn(0); 871 } 872 873 /* dispatching, prints through the socket by prepending the mesh keyword to the usual ASCII dump */ 874 PETSC_INTERN PetscErrorCode DMPlexView_GLVis(DM dm, PetscViewer viewer) 875 { 876 PetscErrorCode ierr; 877 PetscBool isglvis,isascii; 878 879 PetscFunctionBegin; 880 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 881 PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); 882 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis);CHKERRQ(ierr); 883 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);CHKERRQ(ierr); 884 if (!isglvis && !isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERGLVIS or VIEWERASCII"); 885 if (isglvis) { 886 PetscViewer view; 887 PetscViewerGLVisType type; 888 889 ierr = PetscViewerGLVisGetType_Private(viewer,&type);CHKERRQ(ierr); 890 ierr = PetscViewerGLVisGetDMWindow_Private(viewer,&view);CHKERRQ(ierr); 891 if (view) { /* in the socket case, it may happen that the connection failed */ 892 if (type == PETSC_VIEWER_GLVIS_SOCKET) { 893 PetscMPIInt size,rank; 894 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)dm),&size);CHKERRQ(ierr); 895 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)dm),&rank);CHKERRQ(ierr); 896 ierr = PetscViewerASCIIPrintf(view,"parallel %D %D\nmesh\n",size,rank);CHKERRQ(ierr); 897 } 898 ierr = DMPlexView_GLVis_ASCII(dm,view);CHKERRQ(ierr); 899 ierr = PetscViewerFlush(view);CHKERRQ(ierr); 900 if (type == PETSC_VIEWER_GLVIS_SOCKET) { 901 PetscInt dim; 902 const char* name; 903 904 ierr = PetscObjectGetName((PetscObject)dm,&name);CHKERRQ(ierr); 905 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 906 ierr = PetscViewerGLVisInitWindow_Private(view,PETSC_TRUE,dim,name);CHKERRQ(ierr); 907 ierr = PetscBarrier((PetscObject)dm);CHKERRQ(ierr); 908 } 909 } 910 } else { 911 ierr = DMPlexView_GLVis_ASCII(dm,viewer);CHKERRQ(ierr); 912 } 913 PetscFunctionReturn(0); 914 } 915