1 #include <petsc-private/dmpleximpl.h> 2 #include <../src/sys/classes/viewer/impls/vtk/vtkvimpl.h> 3 4 typedef struct { 5 PetscInt nvertices; 6 PetscInt ncells; 7 PetscInt nconn; /* number of entries in cell->vertex connectivity array */ 8 } PieceInfo; 9 10 #if defined(PETSC_USE_REAL_SINGLE) 11 static const char precision[] = "Float32"; 12 #elif defined(PETSC_USE_REAL_DOUBLE) 13 static const char precision[] = "Float64"; 14 #else 15 static const char precision[] = "UnknownPrecision"; 16 #endif 17 18 #undef __FUNCT__ 19 #define __FUNCT__ "TransferWrite" 20 static PetscErrorCode TransferWrite(PetscViewer viewer,FILE *fp,PetscMPIInt srank,PetscMPIInt root,const void *send,void *recv,PetscMPIInt count,PetscDataType datatype,PetscMPIInt tag) 21 { 22 PetscMPIInt rank; 23 PetscErrorCode ierr; 24 MPI_Comm comm; 25 MPI_Datatype mpidatatype; 26 27 PetscFunctionBegin; 28 ierr = PetscObjectGetComm((PetscObject)viewer,&comm);CHKERRQ(ierr); 29 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 30 ierr = PetscDataTypeToMPIDataType(datatype,&mpidatatype);CHKERRQ(ierr); 31 32 if (rank == srank && rank != root) { 33 ierr = MPI_Send((void*)send,count,mpidatatype,root,tag,comm);CHKERRQ(ierr); 34 } else if (rank == root) { 35 const void *buffer; 36 if (root == srank) { /* self */ 37 buffer = send; 38 } else { 39 MPI_Status status; 40 PetscMPIInt nrecv; 41 ierr = MPI_Recv(recv,count,mpidatatype,srank,tag,comm,&status);CHKERRQ(ierr); 42 ierr = MPI_Get_count(&status,mpidatatype,&nrecv);CHKERRQ(ierr); 43 if (count != nrecv) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Array size mismatch"); 44 buffer = recv; 45 } 46 ierr = PetscViewerVTKFWrite(viewer,fp,buffer,count,datatype);CHKERRQ(ierr); 47 } 48 PetscFunctionReturn(0); 49 } 50 51 #undef __FUNCT__ 52 #define __FUNCT__ "DMPlexGetVTKConnectivity" 53 static PetscErrorCode DMPlexGetVTKConnectivity(DM dm,PieceInfo *piece,PetscVTKInt **oconn,PetscVTKInt **ooffsets,PetscVTKType **otypes) 54 { 55 PetscErrorCode ierr; 56 PetscVTKInt *conn,*offsets; 57 PetscVTKType *types; 58 PetscInt dim,vStart,vEnd,cStart,cEnd,pStart,pEnd,cellHeight,cMax,numLabelCells,hasLabel,c,v,countcell,countconn; 59 60 PetscFunctionBegin; 61 ierr = PetscMalloc3(piece->nconn,PetscVTKInt,&conn,piece->ncells,PetscVTKInt,&offsets,piece->ncells,PetscVTKType,&types);CHKERRQ(ierr); 62 63 ierr = DMPlexGetDimension(dm,&dim);CHKERRQ(ierr); 64 ierr = DMPlexGetChart(dm,&pStart,&pEnd);CHKERRQ(ierr); 65 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 66 ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); 67 ierr = DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd);CHKERRQ(ierr); 68 ierr = DMPlexGetHybridBounds(dm, &cMax, NULL, NULL, NULL);CHKERRQ(ierr); 69 if (cMax >= 0) cEnd = PetscMin(cEnd, cMax); 70 ierr = DMPlexGetStratumSize(dm, "vtk", 1, &numLabelCells);CHKERRQ(ierr); 71 hasLabel = numLabelCells > 0 ? PETSC_TRUE : PETSC_FALSE; 72 73 countcell = 0; 74 countconn = 0; 75 for (c = cStart; c < cEnd; ++c) { 76 PetscInt *closure = NULL; 77 PetscInt closureSize,nverts,celltype,startoffset; 78 79 if (hasLabel) { 80 PetscInt value; 81 82 ierr = DMPlexGetLabelValue(dm, "vtk", c, &value);CHKERRQ(ierr); 83 if (value != 1) continue; 84 } 85 startoffset = countconn; 86 ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); 87 for (v = 0; v < closureSize*2; v += 2) { 88 if ((closure[v] >= vStart) && (closure[v] < vEnd)) { 89 conn[countconn++] = closure[v] - vStart; 90 } 91 } 92 ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); 93 94 offsets[countcell] = countconn; 95 96 nverts = countconn - startoffset; 97 ierr = DMPlexVTKGetCellType(dm,dim,nverts,&celltype);CHKERRQ(ierr); 98 99 types[countcell] = celltype; 100 countcell++; 101 } 102 if (countcell != piece->ncells) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent cell count"); 103 if (countconn != piece->nconn) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent connectivity count"); 104 *oconn = conn; 105 *ooffsets = offsets; 106 *otypes = types; 107 PetscFunctionReturn(0); 108 } 109 110 #undef __FUNCT__ 111 #define __FUNCT__ "DMPlexVTKWriteAll_VTU" 112 /* 113 Write all fields that have been provided to the viewer 114 Multi-block XML format with binary appended data. 115 */ 116 PetscErrorCode DMPlexVTKWriteAll_VTU(DM dm,PetscViewer viewer) 117 { 118 MPI_Comm comm; 119 PetscViewer_VTK *vtk = (PetscViewer_VTK*)viewer->data; 120 PetscViewerVTKObjectLink link; 121 FILE *fp; 122 PetscMPIInt rank,size,tag; 123 PetscErrorCode ierr; 124 PetscInt dim,cellHeight,cStart,cEnd,vStart,vEnd,cMax,numLabelCells,hasLabel,c,v,r,i; 125 PieceInfo piece,*gpiece = NULL; 126 void *buffer = NULL; 127 128 PetscFunctionBegin; 129 ierr = PetscObjectGetComm((PetscObject)dm,&comm);CHKERRQ(ierr); 130 #if defined(PETSC_USE_COMPLEX) 131 SETERRQ(PetscObjectComm((PetscObject)dm),PETSC_ERR_SUP,"Complex values not supported"); 132 #endif 133 ierr = MPI_Comm_size(comm,&size);CHKERRQ(ierr); 134 ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr); 135 tag = ((PetscObject)viewer)->tag; 136 137 ierr = PetscFOpen(comm,vtk->filename,"wb",&fp);CHKERRQ(ierr); 138 ierr = PetscFPrintf(comm,fp,"<?xml version=\"1.0\"?>\n");CHKERRQ(ierr); 139 #if defined(PETSC_WORDS_BIGENDIAN) 140 ierr = PetscFPrintf(comm,fp,"<VTKFile type=\"UnstructuredGrid\" version=\"0.1\" byte_order=\"BigEndian\">\n");CHKERRQ(ierr); 141 #else 142 ierr = PetscFPrintf(comm,fp,"<VTKFile type=\"UnstructuredGrid\" version=\"0.1\" byte_order=\"LittleEndian\">\n");CHKERRQ(ierr); 143 #endif 144 ierr = PetscFPrintf(comm,fp," <UnstructuredGrid>\n");CHKERRQ(ierr); 145 146 ierr = DMPlexGetDimension(dm, &dim);CHKERRQ(ierr); 147 ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); 148 ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); 149 ierr = DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd);CHKERRQ(ierr); 150 ierr = DMPlexGetHybridBounds(dm, &cMax, NULL, NULL, NULL);CHKERRQ(ierr); 151 if (cMax >= 0) cEnd = PetscMin(cEnd, cMax); 152 ierr = DMPlexGetStratumSize(dm, "vtk", 1, &numLabelCells);CHKERRQ(ierr); 153 154 hasLabel = numLabelCells > 0 ? PETSC_TRUE : PETSC_FALSE; 155 piece.nvertices = vEnd - vStart; 156 piece.ncells = 0; 157 piece.nconn = 0; 158 for (c = cStart; c < cEnd; ++c) { 159 PetscInt *closure = NULL; 160 PetscInt closureSize; 161 162 if (hasLabel) { 163 PetscInt value; 164 165 ierr = DMPlexGetLabelValue(dm, "vtk", c, &value);CHKERRQ(ierr); 166 if (value != 1) continue; 167 } 168 ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); 169 for (v = 0; v < closureSize*2; v += 2) { 170 if ((closure[v] >= vStart) && (closure[v] < vEnd)) piece.nconn++; 171 } 172 ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); 173 piece.ncells++; 174 } 175 if (!rank) {ierr = PetscMalloc(size*sizeof(piece),&gpiece);CHKERRQ(ierr);} 176 ierr = MPI_Gather((PetscInt*)&piece,sizeof(piece)/sizeof(PetscInt),MPIU_INT,(PetscInt*)gpiece,sizeof(piece)/sizeof(PetscInt),MPIU_INT,0,comm);CHKERRQ(ierr); 177 178 /* 179 * Write file header 180 */ 181 if (!rank) { 182 PetscInt boffset = 0; 183 184 for (r=0; r<size; r++) { 185 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <Piece NumberOfPoints=\"%D\" NumberOfCells=\"%D\">\n",gpiece[r].nvertices,gpiece[r].ncells);CHKERRQ(ierr); 186 /* Coordinate positions */ 187 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <Points>\n");CHKERRQ(ierr); 188 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <DataArray type=\"%s\" Name=\"Position\" NumberOfComponents=\"3\" format=\"appended\" offset=\"%D\" />\n",precision,boffset);CHKERRQ(ierr); 189 boffset += gpiece[r].nvertices*3*sizeof(PetscScalar) + sizeof(int); 190 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," </Points>\n");CHKERRQ(ierr); 191 /* Cell connectivity */ 192 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <Cells>\n");CHKERRQ(ierr); 193 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <DataArray type=\"Int32\" Name=\"connectivity\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",boffset);CHKERRQ(ierr); 194 boffset += gpiece[r].nconn*sizeof(PetscInt) + sizeof(int); 195 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <DataArray type=\"Int32\" Name=\"offsets\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",boffset);CHKERRQ(ierr); 196 boffset += gpiece[r].ncells*sizeof(PetscInt) + sizeof(int); 197 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <DataArray type=\"UInt8\" Name=\"types\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",boffset);CHKERRQ(ierr); 198 boffset += gpiece[r].ncells*sizeof(unsigned char) + sizeof(int); 199 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," </Cells>\n");CHKERRQ(ierr); 200 201 /* 202 * Cell Data headers 203 */ 204 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <CellData>\n");CHKERRQ(ierr); 205 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <DataArray type=\"Int32\" Name=\"Rank\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",boffset);CHKERRQ(ierr); 206 boffset += gpiece[r].ncells*sizeof(int) + sizeof(int); 207 /* all the vectors */ 208 for (link=vtk->link; link; link=link->next) { 209 Vec X = (Vec)link->vec; 210 PetscInt bs,nfields,field; 211 const char *vecname = ""; 212 if ((link->ft != PETSC_VTK_CELL_FIELD) && (link->ft != PETSC_VTK_CELL_VECTOR_FIELD)) continue; 213 if (((PetscObject)X)->name || link != vtk->link) { /* If the object is already named, use it. If it is past the first link, name it to disambiguate. */ 214 ierr = PetscObjectGetName((PetscObject)X,&vecname);CHKERRQ(ierr); 215 } 216 ierr = PetscSectionGetDof(dm->defaultSection,cStart,&bs);CHKERRQ(ierr); 217 ierr = PetscSectionGetNumFields(dm->defaultSection,&nfields);CHKERRQ(ierr); 218 for (field=0,i=0; field<(nfields?nfields:1); field++) { 219 PetscInt fbs,j; 220 const char *fieldname = NULL; 221 char buf[256]; 222 if (nfields) { /* We have user-defined fields/components */ 223 ierr = PetscSectionGetFieldDof(dm->defaultSection,cStart,field,&fbs);CHKERRQ(ierr); 224 ierr = PetscSectionGetFieldName(dm->defaultSection,field,&fieldname);CHKERRQ(ierr); 225 } else fbs = bs; /* Say we have one field with 'bs' components */ 226 if (!fieldname) { 227 ierr = PetscSNPrintf(buf,sizeof(buf),"CellField%D",field);CHKERRQ(ierr); 228 fieldname = buf; 229 } 230 for (j=0; j<fbs; j++) { 231 ierr = PetscFPrintf(comm,fp," <DataArray type=\"%s\" Name=\"%s%s.%D\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",precision,vecname,fieldname,j,boffset);CHKERRQ(ierr); 232 boffset += gpiece[r].ncells*sizeof(PetscScalar) + sizeof(int); 233 i++; 234 } 235 } 236 if (i != bs) SETERRQ2(comm,PETSC_ERR_PLIB,"Total number of field components %D != block size %D",i,bs); 237 } 238 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," </CellData>\n");CHKERRQ(ierr); 239 240 /* 241 * Point Data headers 242 */ 243 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," <PointData>\n");CHKERRQ(ierr); 244 for (link=vtk->link; link; link=link->next) { 245 Vec X = (Vec)link->vec; 246 PetscInt bs,nfields,field; 247 const char *vecname = ""; 248 if ((link->ft != PETSC_VTK_POINT_FIELD) && (link->ft != PETSC_VTK_POINT_VECTOR_FIELD)) continue; 249 if (((PetscObject)X)->name || link != vtk->link) { /* If the object is already named, use it. If it is past the first link, name it to disambiguate. */ 250 ierr = PetscObjectGetName((PetscObject)X,&vecname);CHKERRQ(ierr); 251 } 252 ierr = PetscSectionGetDof(dm->defaultSection,vStart,&bs);CHKERRQ(ierr); 253 ierr = PetscSectionGetNumFields(dm->defaultSection,&nfields);CHKERRQ(ierr); 254 for (field=0,i=0; field<(nfields?nfields:1); field++) { 255 PetscInt fbs,j; 256 const char *fieldname = NULL; 257 char buf[256]; 258 if (nfields) { /* We have user-defined fields/components */ 259 ierr = PetscSectionGetFieldDof(dm->defaultSection,vStart,field,&fbs);CHKERRQ(ierr); 260 ierr = PetscSectionGetFieldName(dm->defaultSection,field,&fieldname);CHKERRQ(ierr); 261 } else fbs = bs; /* Say we have one field with 'bs' components */ 262 if (!fieldname) { 263 ierr = PetscSNPrintf(buf,sizeof(buf),"PointField%D",field);CHKERRQ(ierr); 264 fieldname = buf; 265 } 266 for (j=0; j<fbs; j++) { 267 ierr = PetscFPrintf(comm,fp," <DataArray type=\"%s\" Name=\"%s%s.%D\" NumberOfComponents=\"1\" format=\"appended\" offset=\"%D\" />\n",precision,vecname,fieldname,j,boffset);CHKERRQ(ierr); 268 boffset += gpiece[r].nvertices*sizeof(PetscScalar) + sizeof(int); 269 } 270 } 271 } 272 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," </PointData>\n");CHKERRQ(ierr); 273 274 ierr = PetscFPrintf(PETSC_COMM_SELF,fp," </Piece>\n");CHKERRQ(ierr); 275 } 276 } 277 278 ierr = PetscFPrintf(comm,fp," </UnstructuredGrid>\n");CHKERRQ(ierr); 279 ierr = PetscFPrintf(comm,fp," <AppendedData encoding=\"raw\">\n");CHKERRQ(ierr); 280 ierr = PetscFPrintf(comm,fp,"_");CHKERRQ(ierr); 281 282 if (!rank) { 283 PetscInt maxsize = 0; 284 for (r=0; r<size; r++) { 285 maxsize = PetscMax(maxsize, (PetscInt) (gpiece[r].nvertices*3*sizeof(PetscScalar))); 286 maxsize = PetscMax(maxsize, (PetscInt) (gpiece[r].ncells*sizeof(PetscScalar))); 287 maxsize = PetscMax(maxsize, (PetscInt) (gpiece[r].nconn*sizeof(PetscVTKInt))); 288 } 289 ierr = PetscMalloc(maxsize,&buffer);CHKERRQ(ierr); 290 } 291 for (r=0; r<size; r++) { 292 if (r == rank) { 293 PetscInt nsend; 294 { /* Position */ 295 const PetscScalar *x; 296 PetscScalar *y = NULL; 297 Vec coords; 298 nsend = piece.nvertices*3; 299 ierr = DMGetCoordinatesLocal(dm,&coords);CHKERRQ(ierr); 300 ierr = VecGetArrayRead(coords,&x);CHKERRQ(ierr); 301 if (dim != 3) { 302 ierr = PetscMalloc(piece.nvertices*3*sizeof(PetscScalar),&y);CHKERRQ(ierr); 303 for (i=0; i<piece.nvertices; i++) { 304 y[i*3+0] = x[i*dim+0]; 305 y[i*3+1] = (dim > 1) ? x[i*dim+1] : 0; 306 y[i*3+2] = 0; 307 } 308 } 309 ierr = TransferWrite(viewer,fp,r,0,y ? y : x,buffer,nsend,PETSC_SCALAR,tag);CHKERRQ(ierr); 310 ierr = PetscFree(y);CHKERRQ(ierr); 311 ierr = VecRestoreArrayRead(coords,&x);CHKERRQ(ierr); 312 } 313 { /* Connectivity, offsets, types */ 314 PetscVTKInt *connectivity = NULL,*offsets; 315 PetscVTKType *types; 316 ierr = DMPlexGetVTKConnectivity(dm,&piece,&connectivity,&offsets,&types);CHKERRQ(ierr); 317 ierr = TransferWrite(viewer,fp,r,0,connectivity,buffer,piece.nconn,PETSC_INT32,tag);CHKERRQ(ierr); 318 ierr = TransferWrite(viewer,fp,r,0,offsets,buffer,piece.ncells,PETSC_INT32,tag);CHKERRQ(ierr); 319 ierr = TransferWrite(viewer,fp,r,0,types,buffer,piece.ncells,PETSC_UINT8,tag);CHKERRQ(ierr); 320 ierr = PetscFree3(connectivity,offsets,types);CHKERRQ(ierr); 321 } 322 { /* Owners (cell data) */ 323 PetscVTKInt *owners; 324 ierr = PetscMalloc(piece.ncells*sizeof(PetscVTKInt),&owners);CHKERRQ(ierr); 325 for (i=0; i<piece.ncells; i++) owners[i] = rank; 326 ierr = TransferWrite(viewer,fp,r,0,owners,buffer,piece.ncells,PETSC_INT32,tag);CHKERRQ(ierr); 327 ierr = PetscFree(owners);CHKERRQ(ierr); 328 } 329 /* Cell data */ 330 for (link=vtk->link; link; link=link->next) { 331 Vec X = (Vec)link->vec; 332 const PetscScalar *x; 333 PetscScalar *y; 334 PetscInt bs; 335 if ((link->ft != PETSC_VTK_CELL_FIELD) && (link->ft != PETSC_VTK_CELL_VECTOR_FIELD)) continue; 336 ierr = PetscSectionGetDof(dm->defaultSection,cStart,&bs);CHKERRQ(ierr); 337 ierr = VecGetArrayRead(X,&x);CHKERRQ(ierr); 338 ierr = PetscMalloc(piece.ncells*sizeof(PetscScalar),&y);CHKERRQ(ierr); 339 for (i=0; i<bs; i++) { 340 PetscInt cnt; 341 for (c=cStart,cnt=0; c<cEnd; c++) { 342 const PetscScalar *xpoint; 343 if (hasLabel) { /* Ignore some cells */ 344 PetscInt value; 345 ierr = DMPlexGetLabelValue(dm, "vtk", c, &value);CHKERRQ(ierr); 346 if (value != 1) continue; 347 } 348 ierr = DMPlexPointLocalRead(dm,c,x,&xpoint);CHKERRQ(ierr); 349 y[cnt++] = xpoint[i]; 350 } 351 if (cnt != piece.ncells) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Count does not match"); 352 ierr = TransferWrite(viewer,fp,r,0,y,buffer,piece.ncells,PETSC_SCALAR,tag);CHKERRQ(ierr); 353 } 354 ierr = PetscFree(y);CHKERRQ(ierr); 355 ierr = VecRestoreArrayRead(X,&x);CHKERRQ(ierr); 356 } 357 358 for (link=vtk->link; link; link=link->next) { 359 Vec X = (Vec)link->vec; 360 const PetscScalar *x; 361 PetscScalar *y; 362 PetscInt bs; 363 if ((link->ft != PETSC_VTK_POINT_FIELD) && (link->ft != PETSC_VTK_POINT_VECTOR_FIELD)) continue; 364 ierr = PetscSectionGetDof(dm->defaultSection,vStart,&bs);CHKERRQ(ierr); 365 ierr = VecGetArrayRead(X,&x);CHKERRQ(ierr); 366 ierr = PetscMalloc(piece.nvertices*sizeof(PetscScalar),&y);CHKERRQ(ierr); 367 for (i=0; i<bs; i++) { 368 PetscInt cnt; 369 for (v=vStart,cnt=0; v<vEnd; v++) { 370 const PetscScalar *xpoint; 371 ierr = DMPlexPointLocalRead(dm,v,x,&xpoint);CHKERRQ(ierr); 372 y[cnt++] = xpoint[i]; 373 } 374 if (cnt != piece.nvertices) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Count does not match"); 375 ierr = TransferWrite(viewer,fp,r,0,y,buffer,piece.nvertices,PETSC_SCALAR,tag);CHKERRQ(ierr); 376 } 377 ierr = PetscFree(y);CHKERRQ(ierr); 378 ierr = VecRestoreArrayRead(X,&x);CHKERRQ(ierr); 379 } 380 } else if (!rank) { 381 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].nvertices*3,PETSC_SCALAR,tag);CHKERRQ(ierr); /* positions */ 382 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].nconn,PETSC_INT32,tag);CHKERRQ(ierr); /* connectivity */ 383 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].ncells,PETSC_INT32,tag);CHKERRQ(ierr); /* offsets */ 384 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].ncells,PETSC_UINT8,tag);CHKERRQ(ierr); /* types */ 385 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].ncells,PETSC_INT32,tag);CHKERRQ(ierr); /* owner rank (cells) */ 386 /* all cell data */ 387 for (link=vtk->link; link; link=link->next) { 388 PetscInt bs; 389 if ((link->ft != PETSC_VTK_CELL_FIELD) && (link->ft != PETSC_VTK_CELL_VECTOR_FIELD)) continue; 390 ierr = PetscSectionGetDof(dm->defaultSection,cStart,&bs);CHKERRQ(ierr); 391 for (i=0; i<bs; i++) { 392 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].ncells,PETSC_SCALAR,tag);CHKERRQ(ierr); 393 } 394 } 395 /* all point data */ 396 for (link=vtk->link; link; link=link->next) { 397 PetscInt bs; 398 if ((link->ft != PETSC_VTK_POINT_FIELD) && (link->ft != PETSC_VTK_POINT_VECTOR_FIELD)) continue; 399 ierr = PetscSectionGetDof(dm->defaultSection,vStart,&bs);CHKERRQ(ierr); 400 for (i=0; i<bs; i++) { 401 ierr = TransferWrite(viewer,fp,r,0,NULL,buffer,gpiece[r].nvertices,PETSC_SCALAR,tag);CHKERRQ(ierr); 402 } 403 } 404 } 405 } 406 ierr = PetscFree(gpiece);CHKERRQ(ierr); 407 ierr = PetscFree(buffer);CHKERRQ(ierr); 408 ierr = PetscFPrintf(comm,fp,"\n </AppendedData>\n");CHKERRQ(ierr); 409 ierr = PetscFPrintf(comm,fp,"</VTKFile>\n");CHKERRQ(ierr); 410 PetscFunctionReturn(0); 411 } 412