762     DMLabel  perLabel;  in DMPlexView_GLVis_ASCII()  local
770     PetscCall(DMGetLabel(dm, "glvis_periodic_cut", &perLabel));  in DMPlexView_GLVis_ASCII()
771     if (!perLabel && localized) { /* this periodic cut can be moved up to DMPlex setup */  in DMPlexView_GLVis_ASCII()
773       PetscCall(DMGetLabel(dm, "glvis_periodic_cut", &perLabel));  in DMPlexView_GLVis_ASCII()
774       PetscCall(DMLabelSetDefaultValue(perLabel, 1));  in DMPlexView_GLVis_ASCII()
803 …sCell[v * sdim + s]) > PETSC_MACHINE_EPSILON) PetscCall(DMLabelSetValue(perLabel, vidxs[2 * v], 2)…  in DMPlexView_GLVis_ASCII()
825             PetscCall(DMLabelGetValue(perLabel, cone[i], &v));  in DMPlexView_GLVis_ASCII()
832             PetscCall(DMLabelSetValue(perLabel, p, 2));  in DMPlexView_GLVis_ASCII()
834 …        for (ch = 0; ch < numChildren; ch++) PetscCall(DMLabelSetValue(perLabel, children[ch], 2));  in DMPlexView_GLVis_ASCII()
848               PetscCall(DMLabelGetValue(perLabel, cone[i], &v));  in DMPlexView_GLVis_ASCII()
855               PetscCall(DMLabelSetValue(perLabel, p, 2));  in DMPlexView_GLVis_ASCII()
857 …        for (ch = 0; ch < numChildren; ch++) PetscCall(DMLabelSetValue(perLabel, children[ch], 2));  in DMPlexView_GLVis_ASCII()
882       if (!isbf && perLabel) {  in DMPlexView_GLVis_ASCII()
892           PetscCall(DMLabelGetValue(perLabel, cone[i], &v));  in DMPlexView_GLVis_ASCII()
893           PetscCall(DMLabelGetDefaultValue(perLabel, &d));  in DMPlexView_GLVis_ASCII()