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); 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; 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; 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 (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 = PetscCalloc5(maxfields,&fieldname,maxfields,&nlocal,maxfields,&bs,maxfields,&fec_type,totdofs,&idxs);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 if (H1) { 144 nlocal[ctx->nf] = Nc * Nv; 145 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 146 ierr = VecCreateSeq(PETSC_COMM_SELF,Nv*Nc,&xfield);CHKERRQ(ierr); 147 for (i=0,cum=0;i<vEnd-vStart;i++) { 148 PetscInt j,off; 149 150 if (PetscUnlikely(!PetscBTLookup(vown,i))) continue; 151 ierr = PetscSectionGetFieldOffset(s,i+vStart,f,&off);CHKERRQ(ierr); 152 for (j=0;j<Nc;j++) idxs[cum++] = off + j; 153 } 154 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),Nv*Nc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 155 } else { 156 nlocal[ctx->nf] = Nc * totc; 157 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 158 ierr = VecCreateSeq(PETSC_COMM_SELF,Nc*totc,&xfield);CHKERRQ(ierr); 159 for (i=0,cum=0;i<cEnd-cStart;i++) { 160 PetscInt j,off; 161 162 if (PetscUnlikely(gNum[i] < 0)) continue; 163 ierr = PetscSectionGetFieldOffset(s,i+cStart,f,&off);CHKERRQ(ierr); 164 for (j=0;j<Nc;j++) idxs[cum++] = off + j; 165 } 166 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc*Nc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 167 } 168 ierr = VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);CHKERRQ(ierr); 169 ierr = VecDestroy(&xfield);CHKERRQ(ierr); 170 ierr = ISDestroy(&isfield);CHKERRQ(ierr); 171 ctx->nf++; 172 } else if (id == PETSCFV_CLASSID) { 173 PetscInt c; 174 175 ierr = PetscFVGetNumComponents((PetscFV)disc,&Nc);CHKERRQ(ierr); 176 ierr = PetscSNPrintf(fec,64,"FiniteElementCollection: L2_%dD_P0",dim);CHKERRQ(ierr); 177 for (c = 0; c < Nc; c++) { 178 char comp[256]; 179 ierr = PetscSNPrintf(comp,256,"%s-Comp%d",name,c);CHKERRQ(ierr); 180 ierr = PetscStrallocpy(comp,&fieldname[ctx->nf]);CHKERRQ(ierr); 181 bs[ctx->nf] = 1; /* Does PetscFV support components with different block size? */ 182 nlocal[ctx->nf] = totc; 183 ierr = PetscStrallocpy(fec,&fec_type[ctx->nf]);CHKERRQ(ierr); 184 ierr = VecCreateSeq(PETSC_COMM_SELF,totc,&xfield);CHKERRQ(ierr); 185 for (i=0,cum=0;i<cEnd-cStart;i++) { 186 PetscInt off; 187 188 if (PetscUnlikely(gNum[i])<0) continue; 189 ierr = PetscSectionGetFieldOffset(s,i+cStart,f,&off);CHKERRQ(ierr); 190 idxs[cum++] = off + c; 191 } 192 ierr = ISCreateGeneral(PetscObjectComm((PetscObject)xlocal),totc,idxs,PETSC_USE_POINTER,&isfield);CHKERRQ(ierr); 193 ierr = VecScatterCreate(xlocal,isfield,xfield,NULL,&ctx->scctx[ctx->nf]);CHKERRQ(ierr); 194 ierr = VecDestroy(&xfield);CHKERRQ(ierr); 195 ierr = ISDestroy(&isfield);CHKERRQ(ierr); 196 ctx->nf++; 197 } 198 } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_ARG_WRONG,"Unknown discretization type for field %D",f); 199 } else SETERRQ1(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Missing discretization for field %D",f); 200 } 201 } else SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Needs a DS attached to the DM"); 202 ierr = PetscBTDestroy(&vown);CHKERRQ(ierr); 203 ierr = VecDestroy(&xlocal);CHKERRQ(ierr); 204 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 205 206 /* customize the viewer */ 207 ierr = PetscViewerGLVisSetFields(viewer,ctx->nf,(const char**)fieldname,(const char**)fec_type,nlocal,bs,DMPlexSampleGLVisFields_Private,ctx,DestroyGLVisViewerCtx_Private);CHKERRQ(ierr); 208 for (f=0;f<ctx->nf;f++) { 209 ierr = PetscFree(fieldname[f]);CHKERRQ(ierr); 210 ierr = PetscFree(fec_type[f]);CHKERRQ(ierr); 211 } 212 ierr = PetscFree5(fieldname,nlocal,bs,fec_type,idxs);CHKERRQ(ierr); 213 PetscFunctionReturn(0); 214 } 215 216 typedef enum {MFEM_POINT=0,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE,MFEM_TETRAHEDRON,MFEM_CUBE,MFEM_UNDEF} MFEM_cid; 217 218 MFEM_cid mfem_table_cid[4][7] = { {MFEM_POINT,MFEM_UNDEF,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF, MFEM_UNDEF}, 219 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_UNDEF ,MFEM_UNDEF, MFEM_UNDEF}, 220 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_TRIANGLE,MFEM_SQUARE ,MFEM_UNDEF, MFEM_UNDEF}, 221 {MFEM_POINT,MFEM_UNDEF,MFEM_SEGMENT,MFEM_UNDEF ,MFEM_TETRAHEDRON,MFEM_UNDEF, MFEM_CUBE } }; 222 223 #undef __FUNCT__ 224 #define __FUNCT__ "DMPlexGetPointMFEMCellID_Internal" 225 PETSC_STATIC_INLINE PetscErrorCode DMPlexGetPointMFEMCellID_Internal(DM dm, DMLabel label, PetscInt p, PetscInt *mid, PetscInt *cid) 226 { 227 DMLabel dlabel; 228 PetscInt depth,csize; 229 PetscErrorCode ierr; 230 231 PetscFunctionBegin; 232 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 233 ierr = DMLabelGetValue(dlabel,p,&depth);CHKERRQ(ierr); 234 ierr = DMPlexGetConeSize(dm,p,&csize);CHKERRQ(ierr); 235 if (label) { 236 ierr = DMLabelGetValue(label,p,mid);CHKERRQ(ierr); 237 } else { 238 *mid = 1; 239 } 240 *cid = mfem_table_cid[depth][csize]; 241 PetscFunctionReturn(0); 242 } 243 244 #undef __FUNCT__ 245 #define __FUNCT__ "DMPlexGetPointMFEMVertexIDs_Internal" 246 PETSC_STATIC_INLINE PetscErrorCode DMPlexGetPointMFEMVertexIDs_Internal(DM dm, PetscInt p, PetscInt *nv, int vids[]) 247 { 248 PetscInt dim,i,q,vStart,vEnd,numPoints,*points = NULL; 249 PetscErrorCode ierr; 250 251 PetscFunctionBegin; 252 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 253 ierr = DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);CHKERRQ(ierr); 254 ierr = DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 255 for (i=0,q=0;i<numPoints*2;i+= 2) 256 if ((points[i] >= vStart) && (points[i] < vEnd)) 257 vids[q++] = points[i]-vStart; 258 ierr = DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&numPoints,&points);CHKERRQ(ierr); 259 ierr = DMPlexInvertCell(dim,q,vids);CHKERRQ(ierr); 260 *nv = q; 261 PetscFunctionReturn(0); 262 } 263 264 /* ASCII visualization/dump: full support for simplices and tensor product cells. It supports AMR */ 265 static PetscErrorCode DMPlexView_GLVis_ASCII(DM dm, PetscViewer viewer) 266 { 267 DM cdm; 268 DMLabel label; 269 PetscSection coordSection,parentSection; 270 Vec coordinates; 271 IS globalNum = NULL; 272 const PetscScalar *array; 273 const PetscInt *gNum; 274 PetscInt bf,p,sdim,dim,depth,novl; 275 PetscInt cStart,cEnd,cEndInterior,fStart,fEnd,fEndInterior,vStart,vEnd; 276 PetscMPIInt commsize; 277 PetscBool ovl,isascii,enable_boundary,enable_ncmesh; 278 PetscBT pown; 279 PetscErrorCode ierr; 280 PetscInt *faces = NULL,fpc = 0,vpf = 0; 281 PetscInt fv1[] = {0,1}, 282 fv2tri[] = {0,1, 283 1,2, 284 2,0}, 285 fv2quad[] = {0,1, 286 1,2, 287 2,3, 288 3,0}, 289 fv3tet[] = {0,1,2, 290 0,3,1, 291 0,2,3, 292 2,1,3}, 293 fv3hex[] = {0,1,2,3, 294 4,5,6,7, 295 0,3,5,4, 296 2,1,7,6, 297 3,2,6,5, 298 0,4,7,1}; 299 PetscContainer glvis_container; 300 PetscBool enabled = PETSC_TRUE; 301 302 PetscFunctionBegin; 303 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 304 PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); 305 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);CHKERRQ(ierr); 306 if (!isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERASCII"); 307 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)viewer),&commsize);CHKERRQ(ierr); 308 if (commsize > 1) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Use single sequential viewers for parallel visualization"); 309 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 310 ierr = DMPlexGetDepth(dm,&depth);CHKERRQ(ierr); 311 if (depth >= 0 && dim != depth) SETERRQ(PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_WRONG, "Mesh must be interpolated"); 312 313 /* get container: determines if a process visualizes is portion of the data or not */ 314 ierr = PetscObjectQuery((PetscObject)viewer,"_glvis_info_container",(PetscObject*)&glvis_container);CHKERRQ(ierr); 315 if (!glvis_container) SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_PLIB,"Missing GLVis container"); 316 { 317 PetscViewerGLVisInfo glvis_info; 318 ierr = PetscContainerGetPointer(glvis_container,(void**)&glvis_info);CHKERRQ(ierr); 319 enabled = glvis_info->enabled; 320 } 321 ierr = DMPlexGetHybridBounds(dm, &cEndInterior, &fEndInterior, NULL, NULL);CHKERRQ(ierr); 322 ierr = DMPlexGetHeightStratum(dm,0,&cStart,&cEnd);CHKERRQ(ierr); 323 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 324 ierr = DMPlexGetDepthStratum(dm,0,&vStart,&vEnd);CHKERRQ(ierr); 325 326 /* 327 a couple of sections of the mesh specification are disabled 328 - boundary: unless we want to visualize boundary attributes, the boundary is not needed for proper mesh visualization 329 - vertex_parents: used for non-conforming meshes only when we want to use MFEM as a discretization package and be able to derefine the mesh 330 */ 331 enable_boundary = PETSC_FALSE; 332 enable_ncmesh = PETSC_FALSE; 333 ierr = PetscOptionsBegin(PetscObjectComm((PetscObject)dm),((PetscObject)dm)->prefix,"GLVis PetscViewer DMPlex Options","PetscViewer");CHKERRQ(ierr); 334 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); 335 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); 336 ierr = PetscOptionsEnd();CHKERRQ(ierr); 337 338 /* Identify possible cells in the overlap */ 339 gNum = NULL; 340 novl = 0; 341 ovl = PETSC_FALSE; 342 pown = NULL; 343 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)dm),&commsize);CHKERRQ(ierr); 344 if (commsize > 1) { 345 ierr = DMPlexGetCellNumbering(dm,&globalNum);CHKERRQ(ierr); 346 ierr = ISGetIndices(globalNum,&gNum);CHKERRQ(ierr); 347 for (p=cStart; p<cEnd; p++) { 348 if (gNum[p-cStart] < 0) { 349 ovl = PETSC_TRUE; 350 novl++; 351 } 352 } 353 if (ovl) { 354 /* it may happen that pown get not destroyed, if the user closes the window while this function is running. 355 TODO: garbage collector? attach pown to dm? */ 356 ierr = PetscBTCreate(PetscMax(cEnd-cStart,vEnd-vStart),&pown);CHKERRQ(ierr); 357 } 358 } 359 360 if (!enabled) { 361 ierr = PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");CHKERRQ(ierr); 362 ierr = PetscViewerASCIIPrintf(viewer,"\ndimension\n");CHKERRQ(ierr); 363 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",dim);CHKERRQ(ierr); 364 ierr = PetscViewerASCIIPrintf(viewer,"\nelements\n");CHKERRQ(ierr); 365 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 366 ierr = PetscViewerASCIIPrintf(viewer,"\nboundary\n");CHKERRQ(ierr); 367 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 368 ierr = DMGetCoordinateDim(dm,&sdim);CHKERRQ(ierr); 369 ierr = PetscViewerASCIIPrintf(viewer,"\nvertices\n");CHKERRQ(ierr); 370 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 371 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",sdim);CHKERRQ(ierr); 372 ierr = PetscBTDestroy(&pown);CHKERRQ(ierr); 373 if (globalNum) { 374 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 375 } 376 PetscFunctionReturn(0); 377 } 378 379 /* header */ 380 ierr = PetscViewerASCIIPrintf(viewer,"MFEM mesh v1.1\n");CHKERRQ(ierr); 381 382 /* topological dimension */ 383 ierr = PetscViewerASCIIPrintf(viewer,"\ndimension\n");CHKERRQ(ierr); 384 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",dim);CHKERRQ(ierr); 385 386 /* elements */ 387 /* TODO: is this the label we want to use for marking material IDs? 388 We should decide to have a single marker for these stuff 389 Proposal: DMSetMaterialLabel? 390 */ 391 ierr = DMGetLabel(dm,"Cell sets",&label);CHKERRQ(ierr); 392 ierr = PetscViewerASCIIPrintf(viewer,"\nelements\n");CHKERRQ(ierr); 393 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",cEnd-cStart-novl);CHKERRQ(ierr); 394 for (p=cStart;p<cEnd;p++) { 395 int vids[8]; 396 PetscInt i,nv = 0,cid = -1,mid = 1; 397 398 if (ovl) { 399 if (gNum[p-cStart] < 0) continue; 400 else { 401 ierr = PetscBTSet(pown,p-cStart);CHKERRQ(ierr); 402 } 403 } 404 ierr = DMPlexGetPointMFEMCellID_Internal(dm,label,p,&mid,&cid);CHKERRQ(ierr); 405 ierr = DMPlexGetPointMFEMVertexIDs_Internal(dm,p,&nv,vids);CHKERRQ(ierr); 406 ierr = PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);CHKERRQ(ierr); 407 for (i=0;i<nv;i++) { 408 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]);CHKERRQ(ierr); 409 } 410 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 411 } 412 413 /* determine orientation of boundary mesh */ 414 if (cEnd-cStart) { 415 ierr = DMPlexGetConeSize(dm,cStart,&fpc);CHKERRQ(ierr); 416 switch(dim) { 417 case 1: 418 if (fpc != 2) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case faces per cell %D",fpc); 419 faces = fv1; 420 vpf = 1; 421 break; 422 case 2: 423 switch (fpc) { 424 case 3: 425 faces = fv2tri; 426 vpf = 2; 427 break; 428 case 4: 429 faces = fv2quad; 430 vpf = 2; 431 break; 432 default: 433 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc); 434 break; 435 } 436 break; 437 case 3: 438 switch (fpc) { 439 case 4: 440 faces = fv3tet; 441 vpf = 3; 442 break; 443 case 6: 444 faces = fv3hex; 445 vpf = 4; 446 break; 447 default: 448 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Unhandled case: faces per cell %D",fpc); 449 break; 450 } 451 break; 452 default: 453 SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Unhandled dim"); 454 break; 455 } 456 } 457 458 /* boundary */ 459 ierr = DMPlexGetHeightStratum(dm,1,&fStart,&fEnd);CHKERRQ(ierr); 460 fEnd = fEndInterior < 0 ? fEnd : fEndInterior; 461 if (!ovl) { 462 for (p=fStart,bf=0;p<fEnd;p++) { 463 PetscInt supportSize; 464 465 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 466 if (supportSize == 1) bf++; 467 } 468 } else { 469 for (p=fStart,bf=0;p<fEnd;p++) { 470 const PetscInt *support; 471 PetscInt i,supportSize; 472 PetscBool has_owned = PETSC_FALSE, has_ghost = PETSC_FALSE; 473 474 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 475 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 476 for (i=0;i<supportSize;i++) { 477 if (PetscBTLookup(pown,support[i]-cStart)) has_owned = PETSC_TRUE; 478 else has_ghost = PETSC_TRUE; 479 } 480 if ((supportSize == 1 && has_owned) || (supportSize > 1 && has_owned && has_ghost)) bf++; 481 } 482 } 483 ierr = PetscViewerASCIIPrintf(viewer,"\nboundary\n");CHKERRQ(ierr); 484 if (!enable_boundary) { 485 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",0);CHKERRQ(ierr); 486 } else { 487 /* TODO: is this the label we want to use for marking boundary facets? 488 We should decide to have a single marker for these stuff 489 Proposal: DMSetBoundaryLabel? 490 */ 491 ierr = DMGetLabel(dm,"marker",&label);CHKERRQ(ierr); 492 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",bf);CHKERRQ(ierr); 493 if (!ovl) { 494 for (p=fStart;p<fEnd;p++) { 495 PetscInt supportSize; 496 497 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 498 if (supportSize == 1) { 499 const PetscInt *support, *cone; 500 PetscInt i,c,v,cid = -1,mid = -1; 501 PetscInt cellClosureSize,*cellClosure = NULL; 502 503 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 504 ierr = DMPlexGetCone(dm,support[0],&cone);CHKERRQ(ierr); 505 for (c=0;c<fpc;c++) 506 if (cone[c] == p) 507 break; 508 509 ierr = DMPlexGetTransitiveClosure(dm,support[0],PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 510 for (v=0;v<cellClosureSize;v++) 511 if (cellClosure[2*v] >= vStart && cellClosure[2*v] < vEnd) 512 break; 513 ierr = DMPlexGetPointMFEMCellID_Internal(dm,label,p,&mid,&cid);CHKERRQ(ierr); 514 ierr = PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);CHKERRQ(ierr); 515 for (i=0;i<vpf;i++) { 516 ierr = PetscViewerASCIIPrintf(viewer," %D",cellClosure[2*(v+faces[c*vpf+i])]-vStart);CHKERRQ(ierr); 517 } 518 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 519 ierr = DMPlexRestoreTransitiveClosure(dm,support[0],PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 520 } 521 } 522 } else { 523 for (p=fStart;p<fEnd;p++) { 524 const PetscInt *support; 525 PetscInt i,supportSize,validcell = -1; 526 PetscBool has_owned = PETSC_FALSE, has_ghost = PETSC_FALSE; 527 528 ierr = DMPlexGetSupportSize(dm,p,&supportSize);CHKERRQ(ierr); 529 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 530 for (i=0;i<supportSize;i++) { 531 if (PetscBTLookup(pown,support[i]-cStart)) { 532 has_owned = PETSC_TRUE; 533 validcell = support[i]; 534 } else has_ghost = PETSC_TRUE; 535 } 536 if ((supportSize == 1 && has_owned) || (supportSize > 1 && has_owned && has_ghost)) { 537 const PetscInt *support, *cone; 538 PetscInt i,c,v,cid = -1,mid = -1; 539 PetscInt cellClosureSize,*cellClosure = NULL; 540 541 ierr = DMPlexGetSupport(dm,p,&support);CHKERRQ(ierr); 542 ierr = DMPlexGetCone(dm,validcell,&cone);CHKERRQ(ierr); 543 for (c=0;c<fpc;c++) 544 if (cone[c] == p) 545 break; 546 547 ierr = DMPlexGetTransitiveClosure(dm,validcell,PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 548 for (v=0;v<cellClosureSize;v++) 549 if (cellClosure[2*v] >= vStart && cellClosure[2*v] < vEnd) 550 break; 551 ierr = DMPlexGetPointMFEMCellID_Internal(dm,label,p,&mid,&cid);CHKERRQ(ierr); 552 ierr = PetscViewerASCIIPrintf(viewer,"%D %D",mid,cid);CHKERRQ(ierr); 553 for (i=0;i<vpf;i++) { 554 ierr = PetscViewerASCIIPrintf(viewer," %D",cellClosure[2*(v+faces[c*vpf+i])]-vStart);CHKERRQ(ierr); 555 } 556 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 557 ierr = DMPlexRestoreTransitiveClosure(dm,validcell,PETSC_TRUE,&cellClosureSize,&cellClosure);CHKERRQ(ierr); 558 } 559 } 560 } 561 } 562 563 /* mark owned vertices */ 564 if (ovl) { 565 ierr = PetscBTMemzero(vEnd-vStart,pown);CHKERRQ(ierr); 566 for (p=cStart;p<cEnd;p++) { 567 PetscInt i,closureSize,*closure = NULL; 568 569 if (gNum[p-cStart] < 0) continue; 570 ierr = DMPlexGetTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);CHKERRQ(ierr); 571 for (i=0;i<closureSize;i++) { 572 const PetscInt pp = closure[2*i]; 573 574 if (pp >= vStart && pp < vEnd) { 575 ierr = PetscBTSet(pown,pp-vStart);CHKERRQ(ierr); 576 } 577 } 578 ierr = DMPlexRestoreTransitiveClosure(dm,p,PETSC_TRUE,&closureSize,&closure);CHKERRQ(ierr); 579 } 580 } 581 if (globalNum) { 582 ierr = ISRestoreIndices(globalNum,&gNum);CHKERRQ(ierr); 583 } 584 585 /* vertex_parents (Non-conforming meshes) */ 586 parentSection = NULL; 587 if (enable_ncmesh) { 588 ierr = DMPlexGetTree(dm,&parentSection,NULL,NULL,NULL,NULL);CHKERRQ(ierr); 589 } 590 if (parentSection) { 591 PetscInt vp,gvp; 592 593 for (vp=0,p=vStart;p<vEnd;p++) { 594 DMLabel dlabel; 595 PetscInt parent,depth; 596 597 if (PetscUnlikely(ovl && !PetscBTLookup(pown,p-vStart))) continue; 598 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 599 ierr = DMLabelGetValue(dlabel,p,&depth);CHKERRQ(ierr); 600 ierr = DMPlexGetTreeParent(dm,p,&parent,NULL);CHKERRQ(ierr); 601 if (parent != p) vp++; 602 } 603 ierr = MPIU_Allreduce(&vp,&gvp,1,MPIU_INT,MPI_SUM,PetscObjectComm((PetscObject)dm));CHKERRQ(ierr); 604 if (gvp) { 605 PetscInt maxsupp; 606 PetscBool *skip = NULL; 607 608 ierr = PetscViewerASCIIPrintf(viewer,"\nvertex_parents\n");CHKERRQ(ierr); 609 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",vp);CHKERRQ(ierr); 610 ierr = DMPlexGetMaxSizes(dm,NULL,&maxsupp);CHKERRQ(ierr); 611 ierr = PetscMalloc1(maxsupp,&skip);CHKERRQ(ierr); 612 for (p=vStart;p<vEnd;p++) { 613 DMLabel dlabel; 614 PetscInt parent; 615 616 if (PetscUnlikely(ovl && !PetscBTLookup(pown,p-vStart))) continue; 617 ierr = DMPlexGetDepthLabel(dm,&dlabel);CHKERRQ(ierr); 618 ierr = DMPlexGetTreeParent(dm,p,&parent,NULL);CHKERRQ(ierr); 619 if (parent != p) { 620 int vids[8]; 621 PetscInt i,nv,size,n,numChildren,depth = -1; 622 const PetscInt *children; 623 ierr = DMPlexGetConeSize(dm,parent,&size);CHKERRQ(ierr); 624 switch (size) { 625 case 2: /* edge */ 626 nv = 0; 627 ierr = DMPlexGetPointMFEMVertexIDs_Internal(dm,parent,&nv,vids);CHKERRQ(ierr); 628 ierr = PetscViewerASCIIPrintf(viewer,"%D",p-vStart);CHKERRQ(ierr); 629 for (i=0;i<nv;i++) { 630 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]);CHKERRQ(ierr); 631 } 632 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 633 vp--; 634 break; 635 case 4: /* face */ 636 ierr = PetscMemzero(skip,maxsupp*sizeof(PetscBool));CHKERRQ(ierr); 637 ierr = DMPlexGetTreeChildren(dm,parent,&numChildren,&children);CHKERRQ(ierr); 638 for (n=0;n<numChildren;n++) { 639 ierr = DMLabelGetValue(dlabel,children[n],&depth);CHKERRQ(ierr); 640 if (!depth) { 641 const PetscInt *hvsupp,*hesupp,*cone; 642 PetscInt hvsuppSize,hesuppSize,coneSize; 643 PetscInt hv = children[n],he,f; 644 PetscBool found = PETSC_FALSE; 645 646 ierr = DMPlexGetSupportSize(dm,hv,&hvsuppSize);CHKERRQ(ierr); 647 ierr = DMPlexGetSupport(dm,hv,&hvsupp);CHKERRQ(ierr); 648 for (i=0;i<hvsuppSize;i++) { 649 PetscInt ep; 650 ierr = DMPlexGetTreeParent(dm,hvsupp[i],&ep,NULL);CHKERRQ(ierr); 651 if (ep != hvsupp[i]) { 652 he = hvsupp[i]; 653 found = PETSC_TRUE; 654 } else { 655 skip[i] = PETSC_TRUE; 656 } 657 } 658 if (!found) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_SUP,"Vertex %D support size %D: hanging edge not found",hv,hvsuppSize); 659 he = hvsupp[i]; 660 skip[i] = PETSC_TRUE; 661 ierr = DMPlexGetCone(dm,he,&cone);CHKERRQ(ierr); 662 vids[0] = (int)((cone[0] == hv) ? cone[1] : cone[0]); 663 ierr = DMPlexGetSupportSize(dm,he,&hesuppSize);CHKERRQ(ierr); 664 ierr = DMPlexGetSupport(dm,he,&hesupp);CHKERRQ(ierr); 665 for (f=0;f<hesuppSize;f++) { 666 PetscInt j; 667 668 ierr = DMPlexGetCone(dm,hesupp[f],&cone);CHKERRQ(ierr); 669 ierr = DMPlexGetConeSize(dm,hesupp[f],&coneSize);CHKERRQ(ierr); 670 for (j=0;j<coneSize;j++) { 671 PetscInt k; 672 for (k=0;k<hvsuppSize;k++) { 673 if (hvsupp[k] == cone[j]) { 674 skip[k] = PETSC_TRUE; 675 break; 676 } 677 } 678 } 679 } 680 for (i=0;i<hvsuppSize;i++) { 681 if (!skip[i]) { 682 ierr = DMPlexGetCone(dm,hvsupp[i],&cone);CHKERRQ(ierr); 683 vids[1] = (int)((cone[0] == hv) ? cone[1] : cone[0]); 684 } 685 } 686 ierr = PetscViewerASCIIPrintf(viewer,"%D",hv-vStart);CHKERRQ(ierr); 687 for (i=0;i<2;i++) { 688 ierr = PetscViewerASCIIPrintf(viewer," %d",vids[i]-vStart);CHKERRQ(ierr); 689 } 690 ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr); 691 vp--; 692 } 693 } 694 break; 695 default: 696 SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"Don't know how to deal with support size %d",size); 697 } 698 } 699 } 700 ierr = PetscFree(skip);CHKERRQ(ierr); 701 } 702 if (vp) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Unexpected %D hanging vertices",vp); 703 } 704 ierr = PetscBTDestroy(&pown);CHKERRQ(ierr); 705 706 /* vertices */ 707 ierr = DMGetCoordinateDim(dm,&sdim);CHKERRQ(ierr); 708 ierr = DMGetCoordinateDM(dm,&cdm);CHKERRQ(ierr); 709 ierr = DMGetCoordinateSection(dm,&coordSection);CHKERRQ(ierr); 710 ierr = DMGetCoordinatesLocal(dm,&coordinates);CHKERRQ(ierr); 711 ierr = DMPlexGetDepthStratum(cdm,0,&vStart,&vEnd);CHKERRQ(ierr); 712 ierr = PetscViewerASCIIPrintf(viewer,"\nvertices\n");CHKERRQ(ierr); 713 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",vEnd-vStart);CHKERRQ(ierr); 714 ierr = PetscViewerASCIIPrintf(viewer,"%D\n",sdim);CHKERRQ(ierr); 715 ierr = VecGetArrayRead(coordinates,&array);CHKERRQ(ierr); 716 for (p=vStart;p<vEnd;p++) { 717 PetscInt i,st,dof; 718 719 ierr = PetscSectionGetDof(coordSection,p,&dof);CHKERRQ(ierr); 720 ierr = PetscSectionGetOffset(coordSection,p,&st);CHKERRQ(ierr); 721 for (i=st;i<st+dof-1;i++) { 722 ierr = PetscViewerASCIIPrintf(viewer,"%g ",PetscRealPart(array[i]));CHKERRQ(ierr); 723 } 724 ierr = PetscViewerASCIIPrintf(viewer,"%g\n",PetscRealPart(array[i]));CHKERRQ(ierr); 725 } 726 ierr = VecRestoreArrayRead(coordinates,&array);CHKERRQ(ierr); 727 PetscFunctionReturn(0); 728 } 729 730 /* dispatching, prints through the socket by prepending the mesh keyword to the usual ASCII dump */ 731 PETSC_INTERN PetscErrorCode DMPlexView_GLVis(DM dm, PetscViewer viewer) 732 { 733 PetscErrorCode ierr; 734 PetscBool isglvis,isascii; 735 736 PetscFunctionBegin; 737 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 738 PetscValidHeaderSpecific(viewer,PETSC_VIEWER_CLASSID,2); 739 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis);CHKERRQ(ierr); 740 ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);CHKERRQ(ierr); 741 if (!isglvis && !isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERGLVIS or VIEWERASCII"); 742 if (isglvis) { 743 PetscViewer view; 744 PetscViewerGLVisType type; 745 746 ierr = PetscViewerGLVisGetType_Private(viewer,&type);CHKERRQ(ierr); 747 ierr = PetscViewerGLVisGetDMWindow_Private(viewer,&view);CHKERRQ(ierr); 748 if (view) { /* in the socket case, it may happen that the connection failed */ 749 if (type == PETSC_VIEWER_GLVIS_SOCKET) { 750 PetscMPIInt size,rank; 751 ierr = MPI_Comm_size(PetscObjectComm((PetscObject)dm),&size);CHKERRQ(ierr); 752 ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)dm),&rank);CHKERRQ(ierr); 753 ierr = PetscViewerASCIIPrintf(view,"parallel %D %D\nmesh\n",size,rank);CHKERRQ(ierr); 754 } 755 ierr = DMPlexView_GLVis_ASCII(dm,view);CHKERRQ(ierr); 756 ierr = PetscViewerFlush(view);CHKERRQ(ierr); 757 if (type == PETSC_VIEWER_GLVIS_SOCKET) { 758 PetscInt dim; 759 const char* name; 760 761 ierr = PetscObjectGetName((PetscObject)dm,&name);CHKERRQ(ierr); 762 ierr = DMGetDimension(dm,&dim);CHKERRQ(ierr); 763 ierr = PetscViewerGLVisInitWindow_Private(view,PETSC_TRUE,dim,name);CHKERRQ(ierr); 764 ierr = PetscBarrier((PetscObject)dm);CHKERRQ(ierr); 765 } 766 } 767 } else { 768 ierr = DMPlexView_GLVis_ASCII(dm,viewer);CHKERRQ(ierr); 769 } 770 PetscFunctionReturn(0); 771 } 772