static PetscErrorCode DMPlexGetVTKConnectivity(DM dm,PieceInfo *piece,PetscVTKInt **oconn,PetscVTKInt **ooffsets,PetscVTKType **otypes) { PetscErrorCode ierr; PetscVTKInt *conn,*offsets; PetscVTKType *types; PetscInt dim,vStart,vEnd,cStart,cEnd,pStart,pEnd,cellHeight,cMax,numLabelCells,hasLabel,c,v,countcell,countconn; PetscFunctionBegin; ierr = PetscMalloc3(piece->nconn,PetscVTKInt,&conn,piece->ncells,PetscVTKInt,&offsets,piece->ncells,PetscVTKType,&types);CHKERRQ(ierr); ierr = DMPlexGetDimension(dm,&dim);CHKERRQ(ierr); ierr = DMPlexGetChart(dm,&pStart,&pEnd);CHKERRQ(ierr); ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); ierr = DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd);CHKERRQ(ierr); ierr = DMPlexGetHybridBounds(dm, &cMax, NULL, NULL, NULL);CHKERRQ(ierr); if (cMax >= 0) cEnd = PetscMin(cEnd, cMax); ierr = DMPlexGetStratumSize(dm, "vtk", 1, &numLabelCells);CHKERRQ(ierr); hasLabel = numLabelCells > 0 ? PETSC_TRUE : PETSC_FALSE; countcell = 0; countconn = 0; for (c = cStart; c < cEnd; ++c) { PetscInt *closure = NULL; PetscInt closureSize,nverts,celltype,startoffset,nC=0; if (hasLabel) { PetscInt value; ierr = DMPlexGetLabelValue(dm, "vtk", c, &value);CHKERRQ(ierr); if (value != 1) continue; } startoffset = countconn; ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); for (v = 0; v < closureSize*2; v += 2) { if ((closure[v] >= vStart) && (closure[v] < vEnd)) { conn[countconn++] = closure[v] - vStart; ++nC; } } ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); ierr = DMPlexInvertCell(dim, nC, &conn[countconn-nC]);CHKERRQ(ierr); offsets[countcell] = countconn; nverts = countconn - startoffset; ierr = DMPlexVTKGetCellType(dm,dim,nverts,&celltype);CHKERRQ(ierr); types[countcell] = celltype; countcell++; } if (countcell != piece->ncells) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent cell count"); if (countconn != piece->nconn) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Inconsistent connectivity count"); *oconn = conn; *ooffsets = offsets; *otypes = types; PetscFunctionReturn(0); }
PetscErrorCode DMPlexVTKWriteCells_ASCII(DM dm, FILE *fp, PetscInt *totalCells) { MPI_Comm comm; DMLabel label; IS globalVertexNumbers = NULL; const PetscInt *gvertex; PetscInt dim; PetscInt numCorners = 0, totCorners = 0, maxCorners, *corners; PetscInt numCells = 0, totCells = 0, maxCells, cellHeight; PetscInt numLabelCells, maxLabelCells, cMax, cStart, cEnd, c, vStart, vEnd, v; PetscMPIInt numProcs, rank, proc, tag; PetscErrorCode ierr; PetscFunctionBegin; ierr = PetscObjectGetComm((PetscObject)dm,&comm);CHKERRQ(ierr); ierr = PetscCommGetNewTag(comm, &tag);CHKERRQ(ierr); ierr = MPI_Comm_size(comm, &numProcs);CHKERRQ(ierr); ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr); ierr = DMGetDimension(dm, &dim);CHKERRQ(ierr); ierr = DMPlexGetVTKCellHeight(dm, &cellHeight);CHKERRQ(ierr); ierr = DMPlexGetHeightStratum(dm, cellHeight, &cStart, &cEnd);CHKERRQ(ierr); ierr = DMPlexGetDepthStratum(dm, 0, &vStart, &vEnd);CHKERRQ(ierr); ierr = DMPlexGetHybridBounds(dm, &cMax, NULL, NULL, NULL);CHKERRQ(ierr); if (cMax >= 0) cEnd = PetscMin(cEnd, cMax); ierr = DMPlexGetLabel(dm, "vtk", &label);CHKERRQ(ierr); ierr = DMPlexGetStratumSize(dm, "vtk", 1, &numLabelCells);CHKERRQ(ierr); ierr = MPI_Allreduce(&numLabelCells, &maxLabelCells, 1, MPIU_INT, MPI_MAX, comm);CHKERRQ(ierr); if (!maxLabelCells) label = NULL; for (c = cStart; c < cEnd; ++c) { PetscInt *closure = NULL; PetscInt closureSize, value; if (label) { ierr = DMLabelGetValue(label, c, &value);CHKERRQ(ierr); if (value != 1) continue; } ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); for (v = 0; v < closureSize*2; v += 2) { if ((closure[v] >= vStart) && (closure[v] < vEnd)) ++numCorners; } ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); ++numCells; } maxCells = numCells; ierr = MPI_Reduce(&numCells, &totCells, 1, MPIU_INT, MPI_SUM, 0, comm);CHKERRQ(ierr); ierr = MPI_Reduce(&numCells, &maxCells, 1, MPIU_INT, MPI_MAX, 0, comm);CHKERRQ(ierr); ierr = MPI_Reduce(&numCorners, &totCorners, 1, MPIU_INT, MPI_SUM, 0, comm);CHKERRQ(ierr); ierr = MPI_Reduce(&numCorners, &maxCorners, 1, MPIU_INT, MPI_MAX, 0, comm);CHKERRQ(ierr); ierr = DMPlexGetVertexNumbering(dm, &globalVertexNumbers);CHKERRQ(ierr); ierr = ISGetIndices(globalVertexNumbers, &gvertex);CHKERRQ(ierr); ierr = PetscMalloc1(maxCells, &corners);CHKERRQ(ierr); ierr = PetscFPrintf(comm, fp, "CELLS %d %d\n", totCells, totCorners+totCells);CHKERRQ(ierr); if (!rank) { PetscInt *remoteVertices; int *vertices; ierr = PetscMalloc1(maxCorners, &vertices);CHKERRQ(ierr); for (c = cStart, numCells = 0; c < cEnd; ++c) { PetscInt *closure = NULL; PetscInt closureSize, value, nC = 0; if (label) { ierr = DMLabelGetValue(label, c, &value);CHKERRQ(ierr); if (value != 1) continue; } ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); for (v = 0; v < closureSize*2; v += 2) { if ((closure[v] >= vStart) && (closure[v] < vEnd)) { const PetscInt gv = gvertex[closure[v] - vStart]; vertices[nC++] = gv < 0 ? -(gv+1) : gv; } } ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); corners[numCells++] = nC; ierr = PetscFPrintf(comm, fp, "%d ", nC);CHKERRQ(ierr); ierr = DMPlexInvertCell(dim, nC, vertices);CHKERRQ(ierr); for (v = 0; v < nC; ++v) { ierr = PetscFPrintf(comm, fp, " %d", vertices[v]);CHKERRQ(ierr); } ierr = PetscFPrintf(comm, fp, "\n");CHKERRQ(ierr); } if (numProcs > 1) {ierr = PetscMalloc1(maxCorners+maxCells, &remoteVertices);CHKERRQ(ierr);} for (proc = 1; proc < numProcs; ++proc) { MPI_Status status; ierr = MPI_Recv(&numCorners, 1, MPIU_INT, proc, tag, comm, &status);CHKERRQ(ierr); ierr = MPI_Recv(remoteVertices, numCorners, MPIU_INT, proc, tag, comm, &status);CHKERRQ(ierr); for (c = 0; c < numCorners;) { PetscInt nC = remoteVertices[c++]; for (v = 0; v < nC; ++v, ++c) { vertices[v] = remoteVertices[c]; } ierr = DMPlexInvertCell(dim, nC, vertices);CHKERRQ(ierr); ierr = PetscFPrintf(comm, fp, "%d ", nC);CHKERRQ(ierr); for (v = 0; v < nC; ++v) { ierr = PetscFPrintf(comm, fp, " %d", vertices[v]);CHKERRQ(ierr); } ierr = PetscFPrintf(comm, fp, "\n");CHKERRQ(ierr); } } if (numProcs > 1) {ierr = PetscFree(remoteVertices);CHKERRQ(ierr);} ierr = PetscFree(vertices);CHKERRQ(ierr); } else { PetscInt *localVertices, numSend = numCells+numCorners, k = 0; ierr = PetscMalloc1(numSend, &localVertices);CHKERRQ(ierr); for (c = cStart, numCells = 0; c < cEnd; ++c) { PetscInt *closure = NULL; PetscInt closureSize, value, nC = 0; if (label) { ierr = DMLabelGetValue(label, c, &value);CHKERRQ(ierr); if (value != 1) continue; } ierr = DMPlexGetTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); for (v = 0; v < closureSize*2; v += 2) { if ((closure[v] >= vStart) && (closure[v] < vEnd)) { const PetscInt gv = gvertex[closure[v] - vStart]; closure[nC++] = gv < 0 ? -(gv+1) : gv; } } corners[numCells++] = nC; localVertices[k++] = nC; for (v = 0; v < nC; ++v, ++k) { localVertices[k] = closure[v]; } ierr = DMPlexRestoreTransitiveClosure(dm, c, PETSC_TRUE, &closureSize, &closure);CHKERRQ(ierr); } if (k != numSend) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB, "Invalid number of vertices to send %d should be %d", k, numSend); ierr = MPI_Send(&numSend, 1, MPIU_INT, 0, tag, comm);CHKERRQ(ierr); ierr = MPI_Send(localVertices, numSend, MPIU_INT, 0, tag, comm);CHKERRQ(ierr); ierr = PetscFree(localVertices);CHKERRQ(ierr); } ierr = ISRestoreIndices(globalVertexNumbers, &gvertex);CHKERRQ(ierr); ierr = PetscFPrintf(comm, fp, "CELL_TYPES %d\n", totCells);CHKERRQ(ierr); if (!rank) { PetscInt cellType; for (c = 0; c < numCells; ++c) { ierr = DMPlexVTKGetCellType(dm, dim, corners[c], &cellType);CHKERRQ(ierr); ierr = PetscFPrintf(comm, fp, "%d\n", cellType);CHKERRQ(ierr); } for (proc = 1; proc < numProcs; ++proc) { MPI_Status status; ierr = MPI_Recv(&numCells, 1, MPIU_INT, proc, tag, comm, &status);CHKERRQ(ierr); ierr = MPI_Recv(corners, numCells, MPIU_INT, proc, tag, comm, &status);CHKERRQ(ierr); for (c = 0; c < numCells; ++c) { ierr = DMPlexVTKGetCellType(dm, dim, corners[c], &cellType);CHKERRQ(ierr); ierr = PetscFPrintf(comm, fp, "%d\n", cellType);CHKERRQ(ierr); } } } else { ierr = MPI_Send(&numCells, 1, MPIU_INT, 0, tag, comm);CHKERRQ(ierr); ierr = MPI_Send(corners, numCells, MPIU_INT, 0, tag, comm);CHKERRQ(ierr); } ierr = PetscFree(corners);CHKERRQ(ierr); *totalCells = totCells; PetscFunctionReturn(0); }