211       if (network->vieweroptions.viewranks) {  in DMView_Network_Matplotlib()
212         const PetscInt *viewranks;  in DMView_Network_Matplotlib()  local
215         PetscCall(ISGetTotalIndices(network->vieweroptions.viewranks, &viewranks));  in DMView_Network_Matplotlib()
216         PetscCall(ISGetSize(network->vieweroptions.viewranks, &viewrankssize));  in DMView_Network_Matplotlib()
219           PetscCall(PetscSNPrintf(rankbuffer, sizeof(rankbuffer), "%" PetscInt_FMT, viewranks[i]));  in DMView_Network_Matplotlib()
222         PetscCall(ISRestoreTotalIndices(network->vieweroptions.viewranks, &viewranks));  in DMView_Network_Matplotlib()
463 PetscErrorCode DMNetworkViewSetViewRanks(DM dm, IS viewranks)  in DMNetworkViewSetViewRanks()  argument
469   PetscValidHeaderSpecific(viewranks, IS_CLASSID, 2);  in DMNetworkViewSetViewRanks()
470   PetscCheckSameComm(dm, 1, viewranks, 2);  in DMNetworkViewSetViewRanks()
471   PetscCall(ISDestroy(&network->vieweroptions.viewranks));  in DMNetworkViewSetViewRanks()
472   PetscCall(PetscObjectReference((PetscObject)viewranks));  in DMNetworkViewSetViewRanks()
473   network->vieweroptions.viewranks = viewranks;  in DMNetworkViewSetViewRanks()