Actual source code: networkview.c

  1: #include <petscconf.h>
  2: // We need to define this ahead of any other includes to make sure mkstemp is actually defined
  3: #if defined(PETSC_HAVE_MKSTEMP)
  4:   #if !defined(_XOPEN_SOURCE)
  5:     #define _XOPEN_SOURCE 600
  6:   #endif
  7: #endif
  8: #include <petsc/private/dmnetworkimpl.h>
  9: #include <petscdraw.h>

 11: static PetscErrorCode DMView_Network_CSV(DM dm, PetscViewer viewer)
 12: {
 13:   DM              dmcoords;
 14:   PetscInt        nsubnets, i, subnet, nvertices, nedges, vertex, edge, gidx, ncomp;
 15:   PetscInt        vertexOffsets[2], globalEdgeVertices[2];
 16:   PetscScalar     vertexCoords[2], *color_ptr, color;
 17:   const PetscInt *vertices, *edges, *edgeVertices;
 18:   Vec             allVertexCoords;
 19:   PetscMPIInt     rank;
 20:   MPI_Comm        comm;

 22:   PetscFunctionBegin;
 23:   // Get the coordinate information from dmcoords
 24:   PetscCheck(dm->coordinates[0].dm, PetscObjectComm((PetscObject)dm), PETSC_ERR_ARG_NULL, "CoordinateDM not created");
 25:   PetscCall(DMGetCoordinateDM(dm, &dmcoords));

 27:   PetscCall(DMGetCoordinateDim(dmcoords, &i));
 28:   PetscCheck(i == 2, PETSC_COMM_WORLD, PETSC_ERR_SUP, "dim %" PetscInt_FMT " != 2 is not supported yet", i);

 30:   // Get the coordinate vector from dm
 31:   PetscCall(DMGetCoordinatesLocal(dm, &allVertexCoords));

 33:   // Get the MPI communicator and this process' rank
 34:   PetscCall(PetscObjectGetComm((PetscObject)dmcoords, &comm));
 35:   PetscCallMPI(MPI_Comm_rank(comm, &rank));

 37:   // Start synchronized printing
 38:   PetscCall(PetscViewerASCIIPushSynchronized(viewer));

 40:   // Write the header
 41:   PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Type,Rank,ID,X,Y,Z,Name,Color\n"));

 43:   // Iterate each subnetwork (Note: We need to get the global number of subnets apparently)
 44:   PetscCall(DMNetworkGetNumSubNetworks(dmcoords, NULL, &nsubnets));
 45:   for (subnet = 0; subnet < nsubnets; subnet++) {
 46:     // Get the subnetwork's vertices and edges
 47:     PetscCall(DMNetworkGetSubnetwork(dmcoords, subnet, &nvertices, &nedges, &vertices, &edges));

 49:     // Write out each vertex
 50:     for (i = 0; i < nvertices; i++) {
 51:       vertex = vertices[i];

 53:       // Get the offset into the coordinate vector for the vertex
 54:       PetscCall(DMNetworkGetLocalVecOffset(dmcoords, vertex, ALL_COMPONENTS, vertexOffsets));
 55:       vertexOffsets[1] = vertexOffsets[0] + 1;
 56:       // Remap vertex to the global value
 57:       PetscCall(DMNetworkGetGlobalVertexIndex(dmcoords, vertex, &gidx));
 58:       // Get the vertex position from the coordinate vector
 59:       PetscCall(VecGetValues(allVertexCoords, 2, vertexOffsets, vertexCoords));

 61:       // Get vertex color; TODO: name
 62:       PetscCall(DMNetworkGetNumComponents(dmcoords, vertex, &ncomp));
 63:       PetscCheck(ncomp <= 1, PETSC_COMM_WORLD, PETSC_ERR_SUP, "num of components %" PetscInt_FMT " must be <= 1", ncomp);
 64:       color = 0.0;
 65:       if (ncomp == 1) {
 66:         PetscCall(DMNetworkGetComponent(dmcoords, vertex, 0, NULL, (void **)&color_ptr, NULL));
 67:         color = *color_ptr;
 68:       }
 69:       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Node,%d,%" PetscInt_FMT ",%lf,%lf,0,%" PetscInt_FMT ",%lf\n", rank, gidx, (double)PetscRealPart(vertexCoords[0]), (double)PetscRealPart(vertexCoords[1]), gidx, (double)PetscRealPart(color)));
 70:     }

 72:     // Write out each edge
 73:     for (i = 0; i < nedges; i++) {
 74:       edge = edges[i];
 75:       PetscCall(DMNetworkGetConnectedVertices(dmcoords, edge, &edgeVertices));
 76:       PetscCall(DMNetworkGetGlobalVertexIndex(dmcoords, edgeVertices[0], &globalEdgeVertices[0]));
 77:       PetscCall(DMNetworkGetGlobalVertexIndex(dmcoords, edgeVertices[1], &globalEdgeVertices[1]));
 78:       PetscCall(DMNetworkGetGlobalEdgeIndex(dmcoords, edge, &edge));

 80:       // TODO: Determine edge color/name
 81:       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Edge,%d,%" PetscInt_FMT ",%" PetscInt_FMT ",%" PetscInt_FMT ",0,%" PetscInt_FMT "\n", rank, edge, globalEdgeVertices[0], globalEdgeVertices[1], edge));
 82:     }
 83:   }
 84:   // End synchronized printing
 85:   PetscCall(PetscViewerFlush(viewer));
 86:   PetscCall(PetscViewerASCIIPopSynchronized(viewer));
 87:   PetscFunctionReturn(PETSC_SUCCESS);
 88: }

 90: static PetscErrorCode DMView_Network_Matplotlib(DM dm, PetscViewer viewer)
 91: {
 92:   PetscMPIInt rank, size;
 93:   MPI_Comm    comm;
 94:   char        filename[PETSC_MAX_PATH_LEN + 1], options[512], proccall[PETSC_MAX_PATH_LEN + 512], scriptFile[PETSC_MAX_PATH_LEN + 1], buffer[256], buffer2[256];
 95:   PetscViewer csvViewer;
 96:   FILE       *processFile = NULL;
 97:   PetscBool   isnull, optionShowRanks = PETSC_FALSE, optionRankIsSet = PETSC_FALSE, showNoNodes = PETSC_FALSE, showNoNumbering = PETSC_FALSE, optionShowVertices = PETSC_FALSE, optionViewPadding = PETSC_FALSE;
 98:   PetscDraw   draw;
 99:   DM_Network *network = (DM_Network *)dm->data;
100:   PetscReal   drawPause, viewPadding = 1.0;
101:   PetscInt    i;
102: #if defined(PETSC_HAVE_MKSTEMP)
103:   PetscBool isSharedTmp;
104: #endif

106:   PetscFunctionBegin;
107:   // Deal with the PetscDraw we are given
108:   PetscCall(PetscViewerDrawGetDraw(viewer, 1, &draw));
109:   PetscCall(PetscDrawIsNull(draw, &isnull));
110:   PetscCall(PetscDrawSetVisible(draw, PETSC_FALSE));

112:   // Clear the file name buffer so all communicated bytes are well-defined
113:   PetscCall(PetscMemzero(filename, sizeof(filename)));

115:   // Get the MPI communicator and this process' rank
116:   PetscCall(PetscObjectGetComm((PetscObject)dm, &comm));
117:   PetscCallMPI(MPI_Comm_rank(comm, &rank));
118:   PetscCallMPI(MPI_Comm_size(comm, &size));

120: #if defined(PETSC_HAVE_MKSTEMP)
121:   // Get if the temporary directory is shared
122:   // Note: This must be done collectively on every rank, it cannot be done on a single rank
123:   PetscCall(PetscSharedTmp(comm, &isSharedTmp));
124: #endif

126:   /* Process Options */
127:   optionShowRanks = network->vieweroptions.showallranks;
128:   showNoNodes     = network->vieweroptions.shownovertices;
129:   showNoNumbering = network->vieweroptions.shownonumbering;

131:   /*
132:     TODO:  if the option -dmnetwork_view_tmpdir can be moved up here that would be good as well.
133:   */
134:   PetscOptionsBegin(PetscObjectComm((PetscObject)dm), ((PetscObject)dm)->prefix, "MatPlotLib PetscViewer DMNetwork Options", "PetscViewer");
135:   PetscCall(PetscOptionsBool("-dmnetwork_view_all_ranks", "View all ranks in the DMNetwork", NULL, optionShowRanks, &optionShowRanks, NULL));
136:   PetscCall(PetscOptionsString("-dmnetwork_view_rank_range", "Set of ranks to view the DMNetwork on", NULL, buffer, buffer, sizeof(buffer), &optionRankIsSet));
137:   PetscCall(PetscOptionsBool("-dmnetwork_view_no_vertices", "Do not view vertices", NULL, showNoNodes, &showNoNodes, NULL));
138:   PetscCall(PetscOptionsBool("-dmnetwork_view_no_numbering", "Do not view edge and vertex numbering", NULL, showNoNumbering, &showNoNumbering, NULL));
139:   PetscCall(PetscOptionsString("-dmnetwork_view_zoomin_vertices", "Focus the view on the given set of vertices", NULL, buffer2, buffer2, sizeof(buffer2), &optionShowVertices));
140:   PetscCall(PetscOptionsReal("-dmnetwork_view_zoomin_vertices_padding", "Set the padding when viewing specific vertices", NULL, viewPadding, &viewPadding, &optionViewPadding));
141:   PetscOptionsEnd();

143:   // Generate and broadcast the temporary file name from rank 0
144:   if (rank == 0) {
145: #if defined(PETSC_HAVE_TMPNAM_S)
146:     // Acquire a temporary file to write to and open an ASCII/CSV viewer
147:     PetscCheck(tmpnam_s(filename, sizeof(filename)) == 0, comm, PETSC_ERR_SYS, "Could not acquire temporary file");
148: #elif defined(PETSC_HAVE_MKSTEMP)
149:     PetscBool isTmpOverridden;
150:     size_t    numChars;
151:     // Same thing, but for POSIX systems on which tmpnam is deprecated
152:     // Note: Configure may detect mkstemp but it will not be defined if compiling for C99, so check additional defines to see if we can use it
153:     // Mkstemp requires us to explicitly specify part of the path, but some systems may not like putting files in /tmp/ so have an option for it
154:     PetscCall(PetscOptionsGetString(NULL, NULL, "-dmnetwork_view_tmpdir", filename, sizeof(filename), &isTmpOverridden));
155:     // If not specified by option try using a shared tmp on the system
156:     if (!isTmpOverridden) {
157:       // Validate that if tmp is not overridden it is at least shared
158:       PetscCheck(isSharedTmp, comm, PETSC_ERR_SUP_SYS, "Temporary file directory is not shared between ranks, try using -dmnetwork_view_tmpdir to specify a shared directory");
159:       PetscCall(PetscGetTmp(PETSC_COMM_SELF, filename, sizeof(filename)));
160:     }
161:     // Make sure the filename ends with a '/'
162:     PetscCall(PetscStrlen(filename, &numChars));
163:     if (filename[numChars - 1] != '/') {
164:       filename[numChars]     = '/';
165:       filename[numChars + 1] = 0;
166:     }
167:     // Perform the actual temporary file creation
168:     PetscCall(PetscStrlcat(filename, "XXXXXX", sizeof(filename)));
169:     PetscCheck(mkstemp(filename) != -1, comm, PETSC_ERR_SYS, "Could not acquire temporary file");
170: #else
171:     // Same thing, but for older C versions which don't have the safe form
172:     PetscCheck(tmpnam(filename) != NULL, comm, PETSC_ERR_SYS, "Could not acquire temporary file");
173: #endif
174:   }

176:   // Broadcast the filename to all other MPI ranks
177:   PetscCallMPI(MPI_Bcast(filename, PETSC_MAX_PATH_LEN, MPI_BYTE, 0, comm));

179:   PetscCall(PetscViewerASCIIOpen(comm, filename, &csvViewer));
180:   PetscCall(PetscViewerPushFormat(csvViewer, PETSC_VIEWER_ASCII_CSV));

182:   // Use the CSV viewer to write out the local network
183:   PetscCall(DMView_Network_CSV(dm, csvViewer));

185:   // Close the viewer
186:   PetscCall(PetscViewerDestroy(&csvViewer));

188:   // Generate options string
189:   PetscCall(PetscMemzero(options, sizeof(options)));
190:   // If the draw is null run as a "test execute" ie. do nothing just test that the script was called correctly
191:   PetscCall(PetscStrlcat(options, isnull ? " -tx " : " ", sizeof(options)));
192:   PetscCall(PetscDrawGetPause(draw, &drawPause));
193:   if (drawPause > 0) {
194:     char pausebuffer[64];
195:     PetscCall(PetscSNPrintf(pausebuffer, sizeof(pausebuffer), "%f", (double)drawPause));
196:     PetscCall(PetscStrlcat(options, " -dt ", sizeof(options)));
197:     PetscCall(PetscStrlcat(options, pausebuffer, sizeof(options)));
198:   }
199:   if (optionShowRanks || optionRankIsSet) {
200:     // Show all ranks only if the option is set in code or by the user AND not showing specific ranks AND there is more than one process
201:     if (optionShowRanks && !optionRankIsSet && size != 1) PetscCall(PetscStrlcat(options, " -dar ", sizeof(options)));
202:     // Do not show the global plot if the user requests it OR if one specific rank is requested
203:     if (network->vieweroptions.dontshowglobal || optionRankIsSet) PetscCall(PetscStrlcat(options, " -ncp ", sizeof(options)));

205:     if (optionRankIsSet) {
206:       // If a range of ranks to draw is specified append it
207:       PetscCall(PetscStrlcat(options, " -drr ", sizeof(options)));
208:       PetscCall(PetscStrlcat(options, buffer, sizeof(options)));
209:     } else {
210:       // Otherwise, use the options provided in code
211:       if (network->vieweroptions.viewranks) {
212:         const PetscInt *viewranks;
213:         PetscInt        viewrankssize;
214:         char            rankbuffer[64];
215:         PetscCall(ISGetTotalIndices(network->vieweroptions.viewranks, &viewranks));
216:         PetscCall(ISGetSize(network->vieweroptions.viewranks, &viewrankssize));
217:         PetscCall(PetscStrlcat(options, " -drr ", sizeof(options)));
218:         for (i = 0; i < viewrankssize; i++) {
219:           PetscCall(PetscSNPrintf(rankbuffer, sizeof(rankbuffer), "%" PetscInt_FMT, viewranks[i]));
220:           PetscCall(PetscStrlcat(options, rankbuffer, sizeof(options)));
221:         }
222:         PetscCall(ISRestoreTotalIndices(network->vieweroptions.viewranks, &viewranks));
223:       } // if not provided an IS of viewing ranks, skip viewing
224:     }
225:   }
226:   if (optionShowVertices) {
227:     // Pass vertices to focus on if defined
228:     PetscCall(PetscStrlcat(options, " -vsv ", sizeof(options)));
229:     PetscCall(PetscStrlcat(options, buffer2, sizeof(options)));
230:     optionViewPadding = PETSC_TRUE;
231:     // Pass padding if set
232:     if (optionViewPadding) {
233:       PetscCall(PetscSNPrintf(buffer2, sizeof(buffer2), "%f", (double)viewPadding));
234:       PetscCall(PetscStrlcat(options, " -vp ", sizeof(options)));
235:       PetscCall(PetscStrlcat(options, buffer2, sizeof(options)));
236:     }
237:   }

239:   // Check for options for visibility...
240:   if (showNoNodes) PetscCall(PetscStrlcat(options, " -nn ", sizeof(options)));
241:   if (showNoNumbering) PetscCall(PetscStrlcat(options, " -nnl -nel ", sizeof(options)));

243:   // Get the value of $PETSC_DIR
244:   PetscCall(PetscStrreplace(comm, "${PETSC_DIR}/share/petsc/bin/dmnetwork_view.py", scriptFile, sizeof(scriptFile)));
245:   PetscCall(PetscFixFilename(scriptFile, scriptFile));
246:   // Generate the system call for 'python3 $PETSC_DIR/share/petsc/dmnetwork_view.py  '
247:   PetscCall(PetscArrayzero(proccall, sizeof(proccall)));
248:   PetscCall(PetscSNPrintf(proccall, sizeof(proccall), "%s %s %s %s", PETSC_PYTHON_EXE, scriptFile, options, filename));

250: #if defined(PETSC_HAVE_POPEN)
251:   // Perform the call to run the python script (Note: while this is called on all ranks POpen will only run on rank 0)
252:   PetscCall(PetscPOpen(comm, NULL, proccall, "r", &processFile));
253:   if (processFile != NULL) {
254:     while (fgets(buffer, sizeof(buffer), processFile) != NULL) PetscCall(PetscPrintf(comm, "%s", buffer));
255:   }
256:   PetscCall(PetscPClose(comm, processFile));
257: #else
258:   // Same thing, but using the standard library for systems that don't have POpen/PClose (only run on rank 0)
259:   if (rank == 0) PetscCheck(system(proccall) == 0, PETSC_COMM_SELF, PETSC_ERR_SYS, "Failed to call viewer script");
260:   // Barrier so that all ranks wait until the call completes
261:   PetscCallMPI(MPI_Barrier(comm));
262: #endif
263:   // Clean up the temporary file we used using rank 0
264:   if (rank == 0) PetscCheck(remove(filename) == 0, PETSC_COMM_SELF, PETSC_ERR_SYS, "Failed to delete temporary file");
265:   PetscFunctionReturn(PETSC_SUCCESS);
266: }

268: PetscErrorCode DMView_Network(DM dm, PetscViewer viewer)
269: {
270:   PetscBool         iascii, isdraw;
271:   PetscViewerFormat format;

273:   PetscFunctionBegin;
276:   PetscCall(PetscViewerGetFormat(viewer, &format));

278:   PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERDRAW, &isdraw));
279:   if (isdraw) {
280:     PetscCall(DMView_Network_Matplotlib(dm, viewer));
281:     PetscFunctionReturn(PETSC_SUCCESS);
282:   }

284:   PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &iascii));
285:   if (iascii) {
286:     const PetscInt *cone, *vtx, *edges;
287:     PetscInt        vfrom, vto, i, j, nv, ne, nsv, p, nsubnet;
288:     DM_Network     *network = (DM_Network *)dm->data;
289:     PetscMPIInt     rank;

291:     PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)dm), &rank));
292:     if (format == PETSC_VIEWER_ASCII_CSV) {
293:       PetscCall(DMView_Network_CSV(dm, viewer));
294:       PetscFunctionReturn(PETSC_SUCCESS);
295:     }

297:     nsubnet = network->cloneshared->Nsubnet; /* num of subnetworks */
298:     if (!rank) {
299:       PetscCall(PetscPrintf(PETSC_COMM_SELF, "  NSubnets: %" PetscInt_FMT "; NEdges: %" PetscInt_FMT "; NVertices: %" PetscInt_FMT "; NSharedVertices: %" PetscInt_FMT ".\n", nsubnet, network->cloneshared->NEdges, network->cloneshared->NVertices,
300:                             network->cloneshared->Nsvtx));
301:     }

303:     PetscCall(DMNetworkGetSharedVertices(dm, &nsv, NULL));
304:     PetscCall(PetscViewerASCIIPushSynchronized(viewer));
305:     PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "  [%d] nEdges: %" PetscInt_FMT "; nVertices: %" PetscInt_FMT "; nSharedVertices: %" PetscInt_FMT "\n", rank, network->cloneshared->nEdges, network->cloneshared->nVertices, nsv));

307:     for (i = 0; i < nsubnet; i++) {
308:       PetscCall(DMNetworkGetSubnetwork(dm, i, &nv, &ne, &vtx, &edges));
309:       if (ne) {
310:         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "     Subnet %" PetscInt_FMT ": nEdges %" PetscInt_FMT ", nVertices(include shared vertices) %" PetscInt_FMT "\n", i, ne, nv));
311:         for (j = 0; j < ne; j++) {
312:           p = edges[j];
313:           PetscCall(DMNetworkGetConnectedVertices(dm, p, &cone));
314:           PetscCall(DMNetworkGetGlobalVertexIndex(dm, cone[0], &vfrom));
315:           PetscCall(DMNetworkGetGlobalVertexIndex(dm, cone[1], &vto));
316:           PetscCall(DMNetworkGetGlobalEdgeIndex(dm, edges[j], &p));
317:           PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "       edge %" PetscInt_FMT ": %" PetscInt_FMT " ----> %" PetscInt_FMT "\n", p, vfrom, vto));
318:         }
319:       }
320:     }

322:     /* Shared vertices */
323:     PetscCall(DMNetworkGetSharedVertices(dm, NULL, &vtx));
324:     if (nsv) {
325:       PetscInt        gidx;
326:       PetscBool       ghost;
327:       const PetscInt *sv = NULL;

329:       PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "     SharedVertices:\n"));
330:       for (i = 0; i < nsv; i++) {
331:         PetscCall(DMNetworkIsGhostVertex(dm, vtx[i], &ghost));
332:         if (ghost) continue;

334:         PetscCall(DMNetworkSharedVertexGetInfo(dm, vtx[i], &gidx, &nv, &sv));
335:         PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "       svtx %" PetscInt_FMT ": global index %" PetscInt_FMT ", subnet[%" PetscInt_FMT "].%" PetscInt_FMT " ---->\n", i, gidx, sv[0], sv[1]));
336:         for (j = 1; j < nv; j++) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "                                           ----> subnet[%" PetscInt_FMT "].%" PetscInt_FMT "\n", sv[2 * j], sv[2 * j + 1]));
337:       }
338:     }
339:     PetscCall(PetscViewerFlush(viewer));
340:     PetscCall(PetscViewerASCIIPopSynchronized(viewer));
341:   } else PetscCheck(iascii, PetscObjectComm((PetscObject)dm), PETSC_ERR_SUP, "Viewer type %s not yet supported for DMNetwork writing", ((PetscObject)viewer)->type_name);
342:   PetscFunctionReturn(PETSC_SUCCESS);
343: }

345: /*@
346:   DMNetworkViewSetShowRanks - Sets viewing the `DMETNWORK` on each rank individually.

348:   Logically Collective

350:   Input Parameter:
351: . dm - the `DMNETWORK` object

353:   Output Parameter:
354: . showranks - `PETSC_TRUE` if viewing each rank's sub network individually

356:   Level: beginner

358: .seealso: `DM`, `DMNETWORK`, `DMNetworkViewSetShowGlobal()`, `DMNetworkViewSetShowVertices()`, `DMNetworkViewSetShowNumbering()`, `DMNetworkViewSetViewRanks()`
359: @*/
360: PetscErrorCode DMNetworkViewSetShowRanks(DM dm, PetscBool showranks)
361: {
362:   DM_Network *network = (DM_Network *)dm->data;

364:   PetscFunctionBegin;
366:   network->vieweroptions.showallranks = showranks;
367:   PetscFunctionReturn(PETSC_SUCCESS);
368: }

370: /*@
371:   DMNetworkViewSetShowGlobal - Set viewing the global network.

373:   Logically Collective

375:   Input Parameter:
376: . dm - the `DMNETWORK` object

378:   Output Parameter:
379: . showglobal - `PETSC_TRUE` if viewing the global network

381:   Level: beginner

383: .seealso: `DM`, `DMNETWORK`, `DMNetworkViewSetShowRanks()`, `DMNetworkViewSetShowVertices()`, `DMNetworkViewSetShowNumbering()`, `DMNetworkViewSetViewRanks()`
384: @*/
385: PetscErrorCode DMNetworkViewSetShowGlobal(DM dm, PetscBool showglobal)
386: {
387:   DM_Network *network = (DM_Network *)dm->data;

389:   PetscFunctionBegin;
391:   network->vieweroptions.dontshowglobal = (PetscBool)(!showglobal);
392:   PetscFunctionReturn(PETSC_SUCCESS);
393: }

395: /*@
396:   DMNetworkViewSetShowVertices - Sets whether to display the vertices in viewing routines.

398:   Logically Collective

400:   Input Parameter:
401: . dm - the `DMNETWORK` object

403:   Output Parameter:
404: . showvertices - `PETSC_TRUE` if visualizing the vertices

406:   Level: beginner

408: .seealso: `DM`, `DMNETWORK`, `DMNetworkViewSetShowRanks()`, `DMNetworkViewSetShowGlobal()`, `DMNetworkViewSetShowNumbering()`, `DMNetworkViewSetViewRanks()`
409: @*/
410: PetscErrorCode DMNetworkViewSetShowVertices(DM dm, PetscBool showvertices)
411: {
412:   DM_Network *network = (DM_Network *)dm->data;

414:   PetscFunctionBegin;
416:   network->vieweroptions.shownovertices = (PetscBool)(!showvertices);
417:   PetscFunctionReturn(PETSC_SUCCESS);
418: }

420: /*@
421:   DMNetworkViewSetShowNumbering - Set displaying the numbering of edges and vertices in viewing routines.

423:   Logically Collective

425:   Input Parameter:
426: . dm - the `DMNETWORK` object

428:   Output Parameter:
429: . shownumbering - `PETSC_TRUE` if displaying the numbering of edges and vertices

431:   Level: beginner

433: .seealso: `DM`, `DMNETWORK`, `DMNetworkViewSetShowRanks()`, `DMNetworkViewSetShowGlobal()`, `DMNetworkViewSetShowVertices()`, `DMNetworkViewSetViewRanks()`
434: @*/
435: PetscErrorCode DMNetworkViewSetShowNumbering(DM dm, PetscBool shownumbering)
436: {
437:   DM_Network *network = (DM_Network *)dm->data;

439:   PetscFunctionBegin;
441:   network->vieweroptions.shownonumbering = (PetscBool)(!shownumbering);
442:   PetscFunctionReturn(PETSC_SUCCESS);
443: }

445: /*@
446:   DMNetworkViewSetViewRanks - View the `DMNETWORK` on each of the specified ranks individually.

448:   Collective

450:   Input Parameter:
451: . dm - the `DMNETWORK` object

453:   Output Parameter:
454: . viewranks - set of ranks to view the `DMNETWORK` on individually

456:   Level: beginner

458:   Note:
459:   `DMNetwork` takes ownership of the input viewranks `IS`, it should be destroyed by the caller.

461: .seealso: `DM`, `DMNETWORK`, `DMNetworkViewSetShowRanks()`, `DMNetworkViewSetShowGlobal()`, `DMNetworkViewSetShowVertices()`, `DMNetworkViewSetShowNumbering()`
462: @*/
463: PetscErrorCode DMNetworkViewSetViewRanks(DM dm, IS viewranks)
464: {
465:   DM_Network *network = (DM_Network *)dm->data;

467:   PetscFunctionBegin;
470:   PetscCheckSameComm(dm, 1, viewranks, 2);
471:   PetscCall(ISDestroy(&network->vieweroptions.viewranks));
472:   PetscCall(PetscObjectReference((PetscObject)viewranks));
473:   network->vieweroptions.viewranks = viewranks;
474:   PetscFunctionReturn(PETSC_SUCCESS);
475: }