Actual source code: swarmpic_view.c
1: #include <petscdmda.h>
2: #include <petsc/private/dmswarmimpl.h>
3: #include "../src/dm/impls/swarm/data_bucket.h"
5: static PetscErrorCode private_PetscViewerCreate_XDMF(MPI_Comm comm, const char filename[], PetscViewer *v)
6: {
7: long int *bytes;
8: PetscContainer container;
9: PetscViewer viewer;
11: PetscFunctionBegin;
12: PetscCall(PetscViewerCreate(comm, &viewer));
13: PetscCall(PetscViewerSetType(viewer, PETSCVIEWERASCII));
14: PetscCall(PetscViewerFileSetMode(viewer, FILE_MODE_WRITE));
15: PetscCall(PetscViewerFileSetName(viewer, filename));
17: PetscCall(PetscMalloc1(1, &bytes));
18: bytes[0] = 0;
19: PetscCall(PetscContainerCreate(comm, &container));
20: PetscCall(PetscContainerSetPointer(container, (void *)bytes));
21: PetscCall(PetscObjectCompose((PetscObject)viewer, "XDMFViewerContext", (PetscObject)container));
23: /* write xdmf header */
24: PetscCall(PetscViewerASCIIPrintf(viewer, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"));
25: PetscCall(PetscViewerASCIIPrintf(viewer, "<Xdmf xmlns:xi=\"http://www.w3.org/2001/XInclude/\" Version=\"2.99\">\n"));
26: /* write xdmf domain */
27: PetscCall(PetscViewerASCIIPushTab(viewer));
28: PetscCall(PetscViewerASCIIPrintf(viewer, "<Domain>\n"));
29: *v = viewer;
30: PetscFunctionReturn(PETSC_SUCCESS);
31: }
33: static PetscErrorCode private_PetscViewerDestroy_XDMF(PetscViewer *v)
34: {
35: PetscViewer viewer;
36: DM dm = NULL;
37: long int *bytes;
38: PetscContainer container = NULL;
40: PetscFunctionBegin;
41: if (!v) PetscFunctionReturn(PETSC_SUCCESS);
42: viewer = *v;
44: PetscCall(PetscObjectQuery((PetscObject)viewer, "DMSwarm", (PetscObject *)&dm));
45: if (dm) {
46: PetscCall(PetscViewerASCIIPrintf(viewer, "</Grid>\n"));
47: PetscCall(PetscViewerASCIIPopTab(viewer));
48: }
50: /* close xdmf header */
51: PetscCall(PetscViewerASCIIPrintf(viewer, "</Domain>\n"));
52: PetscCall(PetscViewerASCIIPopTab(viewer));
53: PetscCall(PetscViewerASCIIPrintf(viewer, "</Xdmf>\n"));
55: PetscCall(PetscObjectQuery((PetscObject)viewer, "XDMFViewerContext", (PetscObject *)&container));
56: if (container) {
57: PetscCall(PetscContainerGetPointer(container, (void **)&bytes));
58: PetscCall(PetscFree(bytes));
59: PetscCall(PetscContainerDestroy(&container));
60: }
61: PetscCall(PetscViewerDestroy(&viewer));
62: *v = NULL;
63: PetscFunctionReturn(PETSC_SUCCESS);
64: }
66: static PetscErrorCode private_CreateDataFileNameXDMF(const char filename[], char dfilename[])
67: {
68: const char dot_xmf[] = ".xmf";
69: size_t len;
70: char viewername_minus_ext[PETSC_MAX_PATH_LEN];
71: PetscBool flg;
73: PetscFunctionBegin;
74: PetscCall(PetscStrendswith(filename, dot_xmf, &flg));
75: PetscCheck(flg, PETSC_COMM_SELF, PETSC_ERR_SUP, "File extension must be %s", dot_xmf);
76: PetscCall(PetscStrncpy(viewername_minus_ext, filename, sizeof(viewername_minus_ext)));
77: PetscCall(PetscStrlen(filename, &len));
78: len -= sizeof(dot_xmf) - 1;
79: if (sizeof(viewername_minus_ext) > len) viewername_minus_ext[len] = '\0';
80: PetscCall(PetscSNPrintf(dfilename, PETSC_MAX_PATH_LEN - 1, "%s_swarm_fields.pbin", viewername_minus_ext));
81: PetscFunctionReturn(PETSC_SUCCESS);
82: }
84: static PetscErrorCode private_DMSwarmView_XDMF(DM dm, PetscViewer viewer)
85: {
86: DMSwarmCellDM celldm;
87: PetscBool isswarm = PETSC_FALSE;
88: const char *viewername;
89: char datafile[PETSC_MAX_PATH_LEN];
90: char *datafilename;
91: PetscViewer fviewer;
92: PetscInt k, ng, dim, Nfc;
93: Vec dvec;
94: long int *bytes = NULL;
95: PetscContainer container = NULL;
96: const char *dmname, **coordFields;
98: PetscFunctionBegin;
99: PetscCall(PetscObjectQuery((PetscObject)viewer, "XDMFViewerContext", (PetscObject *)&container));
100: PetscCheck(container, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Valid to find attached data XDMFViewerContext");
101: PetscCall(PetscContainerGetPointer(container, (void **)&bytes));
103: PetscCall(PetscObjectTypeCompare((PetscObject)dm, DMSWARM, &isswarm));
104: PetscCheck(isswarm, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Only valid for DMSwarm");
106: PetscCall(PetscObjectCompose((PetscObject)viewer, "DMSwarm", (PetscObject)dm));
108: PetscCall(PetscViewerASCIIPushTab(viewer));
109: PetscCall(PetscObjectGetName((PetscObject)dm, &dmname));
110: if (!dmname) PetscCall(DMGetOptionsPrefix(dm, &dmname));
111: if (!dmname) {
112: PetscCall(PetscViewerASCIIPrintf(viewer, "<Grid Name=\"DMSwarm\" GridType=\"Uniform\">\n"));
113: } else {
114: PetscCall(PetscViewerASCIIPrintf(viewer, "<Grid Name=\"DMSwarm[%s]\" GridType=\"Uniform\">\n", dmname));
115: }
117: /* create a sub-viewer for topology, geometry and all data fields */
118: /* name is viewer.name + "_swarm_fields.pbin" */
119: PetscCall(PetscViewerCreate(PetscObjectComm((PetscObject)viewer), &fviewer));
120: PetscCall(PetscViewerSetType(fviewer, PETSCVIEWERBINARY));
121: PetscCall(PetscViewerBinarySetSkipHeader(fviewer, PETSC_TRUE));
122: PetscCall(PetscViewerBinarySetSkipInfo(fviewer, PETSC_TRUE));
123: PetscCall(PetscViewerFileSetMode(fviewer, FILE_MODE_WRITE));
125: PetscCall(PetscViewerFileGetName(viewer, &viewername));
126: PetscCall(private_CreateDataFileNameXDMF(viewername, datafile));
127: PetscCall(PetscViewerFileSetName(fviewer, datafile));
128: PetscCall(PetscStrrchr(datafile, '/', &datafilename));
130: PetscCall(DMSwarmGetSize(dm, &ng));
132: /* write topology header */
133: PetscCall(PetscViewerASCIIPushTab(viewer));
134: PetscCall(PetscViewerASCIIPrintf(viewer, "<Topology Dimensions=\"%" PetscInt_FMT "\" TopologyType=\"Mixed\">\n", ng));
135: PetscCall(PetscViewerASCIIPushTab(viewer));
136: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Int\" Dimensions=\"%" PetscInt_FMT "\" Seek=\"%ld\">\n", ng * 3, bytes[0]));
137: PetscCall(PetscViewerASCIIPushTab(viewer));
138: PetscCall(PetscViewerASCIIPrintf(viewer, "%s\n", datafilename));
139: PetscCall(PetscViewerASCIIPopTab(viewer));
140: PetscCall(PetscViewerASCIIPrintf(viewer, "</DataItem>\n"));
141: PetscCall(PetscViewerASCIIPopTab(viewer));
142: PetscCall(PetscViewerASCIIPrintf(viewer, "</Topology>\n"));
143: PetscCall(PetscViewerASCIIPopTab(viewer));
145: /* write topology data */
146: for (k = 0; k < ng; k++) {
147: PetscInt pvertex[3];
149: pvertex[0] = 1;
150: pvertex[1] = 1;
151: pvertex[2] = k;
152: PetscCall(PetscViewerBinaryWrite(fviewer, pvertex, 3, PETSC_INT));
153: }
154: bytes[0] += sizeof(PetscInt) * ng * 3;
156: /* write geometry header */
157: PetscCall(PetscViewerASCIIPushTab(viewer));
158: PetscCall(DMGetDimension(dm, &dim));
159: switch (dim) {
160: case 1:
161: SETERRQ(PETSC_COMM_SELF, PETSC_ERR_SUP, "No support for 1D");
162: case 2:
163: PetscCall(PetscViewerASCIIPrintf(viewer, "<Geometry Type=\"XY\">\n"));
164: break;
165: case 3:
166: PetscCall(PetscViewerASCIIPrintf(viewer, "<Geometry Type=\"XYZ\">\n"));
167: break;
168: }
169: PetscCall(PetscViewerASCIIPushTab(viewer));
170: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Float\" Precision=\"8\" Dimensions=\"%" PetscInt_FMT " %" PetscInt_FMT "\" Seek=\"%ld\">\n", ng, dim, bytes[0]));
171: PetscCall(PetscViewerASCIIPushTab(viewer));
172: PetscCall(PetscViewerASCIIPrintf(viewer, "%s\n", datafilename));
173: PetscCall(PetscViewerASCIIPopTab(viewer));
174: PetscCall(PetscViewerASCIIPrintf(viewer, "</DataItem>\n"));
175: PetscCall(PetscViewerASCIIPopTab(viewer));
176: PetscCall(PetscViewerASCIIPrintf(viewer, "</Geometry>\n"));
177: PetscCall(PetscViewerASCIIPopTab(viewer));
179: PetscCall(DMSwarmGetCellDMActive(dm, &celldm));
180: PetscCall(DMSwarmCellDMGetCoordinateFields(celldm, &Nfc, &coordFields));
181: PetscCheck(Nfc == 1, PetscObjectComm((PetscObject)dm), PETSC_ERR_SUP, "We only support a single coordinate field right now, not %" PetscInt_FMT, Nfc);
183: /* write geometry data */
184: PetscCall(DMSwarmCreateGlobalVectorFromField(dm, coordFields[0], &dvec));
185: PetscCall(VecView(dvec, fviewer));
186: PetscCall(DMSwarmDestroyGlobalVectorFromField(dm, coordFields[0], &dvec));
187: bytes[0] += sizeof(PetscReal) * ng * dim;
189: PetscCall(PetscViewerDestroy(&fviewer));
190: PetscFunctionReturn(PETSC_SUCCESS);
191: }
193: static PetscErrorCode private_VecView_Swarm_XDMF(Vec x, PetscViewer viewer)
194: {
195: long int *bytes = NULL;
196: PetscContainer container = NULL;
197: const char *viewername;
198: char datafile[PETSC_MAX_PATH_LEN];
199: char *datafilename;
200: PetscViewer fviewer;
201: PetscInt N, bs;
202: const char *vecname;
203: char fieldname[PETSC_MAX_PATH_LEN];
205: PetscFunctionBegin;
206: PetscCall(PetscObjectQuery((PetscObject)viewer, "XDMFViewerContext", (PetscObject *)&container));
207: PetscCheck(container, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Unable to find attached data XDMFViewerContext");
208: PetscCall(PetscContainerGetPointer(container, (void **)&bytes));
209: PetscCall(PetscViewerFileGetName(viewer, &viewername));
210: PetscCall(private_CreateDataFileNameXDMF(viewername, datafile));
212: /* re-open a sub-viewer for all data fields */
213: /* name is viewer.name + "_swarm_fields.pbin" */
214: PetscCall(PetscViewerCreate(PetscObjectComm((PetscObject)viewer), &fviewer));
215: PetscCall(PetscViewerSetType(fviewer, PETSCVIEWERBINARY));
216: PetscCall(PetscViewerBinarySetSkipHeader(fviewer, PETSC_TRUE));
217: PetscCall(PetscViewerBinarySetSkipInfo(fviewer, PETSC_TRUE));
218: PetscCall(PetscViewerFileSetMode(fviewer, FILE_MODE_APPEND));
219: PetscCall(PetscViewerFileSetName(fviewer, datafile));
220: PetscCall(PetscStrrchr(datafile, '/', &datafilename));
222: PetscCall(VecGetSize(x, &N));
223: PetscCall(VecGetBlockSize(x, &bs));
224: N = N / bs;
225: PetscCall(PetscObjectGetName((PetscObject)x, &vecname));
226: if (!vecname) {
227: PetscCall(PetscSNPrintf(fieldname, PETSC_MAX_PATH_LEN - 1, "swarmfield_%d", ((PetscObject)x)->tag));
228: } else {
229: PetscCall(PetscSNPrintf(fieldname, PETSC_MAX_PATH_LEN - 1, "%s", vecname));
230: }
232: /* write data header */
233: PetscCall(PetscViewerASCIIPushTab(viewer));
234: PetscCall(PetscViewerASCIIPrintf(viewer, "<Attribute Center=\"Node\" Name=\"%s\" Type=\"None\">\n", fieldname));
235: PetscCall(PetscViewerASCIIPushTab(viewer));
236: if (bs == 1) {
237: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Float\" Precision=\"8\" Dimensions=\"%" PetscInt_FMT "\" Seek=\"%ld\">\n", N, bytes[0]));
238: } else {
239: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Float\" Precision=\"8\" Dimensions=\"%" PetscInt_FMT " %" PetscInt_FMT "\" Seek=\"%ld\">\n", N, bs, bytes[0]));
240: }
241: PetscCall(PetscViewerASCIIPushTab(viewer));
242: PetscCall(PetscViewerASCIIPrintf(viewer, "%s\n", datafilename));
243: PetscCall(PetscViewerASCIIPopTab(viewer));
244: PetscCall(PetscViewerASCIIPrintf(viewer, "</DataItem>\n"));
245: PetscCall(PetscViewerASCIIPopTab(viewer));
246: PetscCall(PetscViewerASCIIPrintf(viewer, "</Attribute>\n"));
247: PetscCall(PetscViewerASCIIPopTab(viewer));
249: /* write data */
250: PetscCall(VecView(x, fviewer));
251: bytes[0] += sizeof(PetscReal) * N * bs;
253: PetscCall(PetscViewerDestroy(&fviewer));
254: PetscFunctionReturn(PETSC_SUCCESS);
255: }
257: static PetscErrorCode private_ISView_Swarm_XDMF(IS is, PetscViewer viewer)
258: {
259: long int *bytes = NULL;
260: PetscContainer container = NULL;
261: const char *viewername;
262: char datafile[PETSC_MAX_PATH_LEN];
263: char *datafilename;
264: PetscViewer fviewer;
265: PetscInt N, bs;
266: const char *vecname;
267: char fieldname[PETSC_MAX_PATH_LEN];
269: PetscFunctionBegin;
270: PetscCall(PetscObjectQuery((PetscObject)viewer, "XDMFViewerContext", (PetscObject *)&container));
271: PetscCheck(container, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Unable to find attached data XDMFViewerContext");
272: PetscCall(PetscContainerGetPointer(container, (void **)&bytes));
273: PetscCall(PetscViewerFileGetName(viewer, &viewername));
274: PetscCall(private_CreateDataFileNameXDMF(viewername, datafile));
276: /* re-open a sub-viewer for all data fields */
277: /* name is viewer.name + "_swarm_fields.pbin" */
278: PetscCall(PetscViewerCreate(PetscObjectComm((PetscObject)viewer), &fviewer));
279: PetscCall(PetscViewerSetType(fviewer, PETSCVIEWERBINARY));
280: PetscCall(PetscViewerBinarySetSkipHeader(fviewer, PETSC_TRUE));
281: PetscCall(PetscViewerBinarySetSkipInfo(fviewer, PETSC_TRUE));
282: PetscCall(PetscViewerFileSetMode(fviewer, FILE_MODE_APPEND));
283: PetscCall(PetscViewerFileSetName(fviewer, datafile));
284: PetscCall(PetscStrrchr(datafile, '/', &datafilename));
286: PetscCall(ISGetSize(is, &N));
287: PetscCall(ISGetBlockSize(is, &bs));
288: N = N / bs;
289: PetscCall(PetscObjectGetName((PetscObject)is, &vecname));
290: if (!vecname) {
291: PetscCall(PetscSNPrintf(fieldname, PETSC_MAX_PATH_LEN - 1, "swarmfield_%d", ((PetscObject)is)->tag));
292: } else {
293: PetscCall(PetscSNPrintf(fieldname, PETSC_MAX_PATH_LEN - 1, "%s", vecname));
294: }
296: /* write data header */
297: PetscCall(PetscViewerASCIIPushTab(viewer));
298: PetscCall(PetscViewerASCIIPrintf(viewer, "<Attribute Center=\"Node\" Name=\"%s\" Type=\"None\">\n", fieldname));
299: PetscCall(PetscViewerASCIIPushTab(viewer));
300: if (bs == 1) {
301: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Int\" Precision=\"4\" Dimensions=\"%" PetscInt_FMT "\" Seek=\"%ld\">\n", N, bytes[0]));
302: } else {
303: PetscCall(PetscViewerASCIIPrintf(viewer, "<DataItem Format=\"Binary\" Endian=\"Big\" DataType=\"Int\" Precision=\"4\" Dimensions=\"%" PetscInt_FMT " %" PetscInt_FMT "\" Seek=\"%ld\">\n", N, bs, bytes[0]));
304: }
305: PetscCall(PetscViewerASCIIPushTab(viewer));
306: PetscCall(PetscViewerASCIIPrintf(viewer, "%s\n", datafilename));
307: PetscCall(PetscViewerASCIIPopTab(viewer));
308: PetscCall(PetscViewerASCIIPrintf(viewer, "</DataItem>\n"));
309: PetscCall(PetscViewerASCIIPopTab(viewer));
310: PetscCall(PetscViewerASCIIPrintf(viewer, "</Attribute>\n"));
311: PetscCall(PetscViewerASCIIPopTab(viewer));
313: /* write data */
314: PetscCall(ISView(is, fviewer));
315: bytes[0] += sizeof(PetscInt) * N * bs;
317: PetscCall(PetscViewerDestroy(&fviewer));
318: PetscFunctionReturn(PETSC_SUCCESS);
319: }
321: /*@C
322: DMSwarmViewFieldsXDMF - Write a selection of DMSwarm fields to an XDMF3 file
324: Collective
326: Input Parameters:
327: + dm - the `DMSWARM`
328: . filename - the file name of the XDMF file (must have the extension .xmf)
329: . nfields - the number of fields to write into the XDMF file
330: - field_name_list - array of length nfields containing the textual name of fields to write
332: Level: beginner
334: Note:
335: Only fields registered with data type `PETSC_DOUBLE` or `PETSC_INT` can be written into the file
337: .seealso: `DM`, `DMSWARM`, `DMSwarmViewXDMF()`
338: @*/
339: PetscErrorCode DMSwarmViewFieldsXDMF(DM dm, const char filename[], PetscInt nfields, const char *field_name_list[])
340: {
341: Vec dvec;
342: PetscInt f, N;
343: PetscViewer viewer;
345: PetscFunctionBegin;
346: PetscCall(private_PetscViewerCreate_XDMF(PetscObjectComm((PetscObject)dm), filename, &viewer));
347: PetscCall(private_DMSwarmView_XDMF(dm, viewer));
348: PetscCall(DMSwarmGetLocalSize(dm, &N));
349: for (f = 0; f < nfields; f++) {
350: void *data;
351: PetscDataType type;
353: PetscCall(DMSwarmGetField(dm, field_name_list[f], NULL, &type, &data));
354: PetscCall(DMSwarmRestoreField(dm, field_name_list[f], NULL, &type, &data));
355: if (type == PETSC_DOUBLE) {
356: PetscCall(DMSwarmCreateGlobalVectorFromField(dm, field_name_list[f], &dvec));
357: PetscCall(PetscObjectSetName((PetscObject)dvec, field_name_list[f]));
358: PetscCall(private_VecView_Swarm_XDMF(dvec, viewer));
359: PetscCall(DMSwarmDestroyGlobalVectorFromField(dm, field_name_list[f], &dvec));
360: } else if (type == PETSC_INT) {
361: IS is;
362: const PetscInt *idx;
364: PetscCall(DMSwarmGetField(dm, field_name_list[f], NULL, &type, &data));
365: idx = (const PetscInt *)data;
367: PetscCall(ISCreateGeneral(PetscObjectComm((PetscObject)dm), N, idx, PETSC_USE_POINTER, &is));
368: PetscCall(PetscObjectSetName((PetscObject)is, field_name_list[f]));
369: PetscCall(private_ISView_Swarm_XDMF(is, viewer));
370: PetscCall(ISDestroy(&is));
371: PetscCall(DMSwarmRestoreField(dm, field_name_list[f], NULL, &type, &data));
372: } else SETERRQ(PetscObjectComm((PetscObject)dm), PETSC_ERR_SUP, "Can only write PETSC_INT and PETSC_DOUBLE");
373: }
374: PetscCall(private_PetscViewerDestroy_XDMF(&viewer));
375: PetscFunctionReturn(PETSC_SUCCESS);
376: }
378: /*@
379: DMSwarmViewXDMF - Write `DMSWARM` fields to an XDMF3 file
381: Collective
383: Input Parameters:
384: + dm - the `DMSWARM`
385: - filename - the file name of the XDMF file (must have the extension .xmf)
387: Level: beginner
389: Note:
390: Only fields user registered with data type `PETSC_DOUBLE` or `PETSC_INT` will be written into the file
392: Developer Note:
393: This should be removed and replaced with the standard use of `PetscViewer`
395: .seealso: `DM`, `DMSWARM`, `DMSwarmViewFieldsXDMF()`
396: @*/
397: PetscErrorCode DMSwarmViewXDMF(DM dm, const char filename[])
398: {
399: DM_Swarm *swarm = (DM_Swarm *)dm->data;
400: Vec dvec;
401: PetscInt f;
402: PetscViewer viewer;
404: PetscFunctionBegin;
405: PetscCall(private_PetscViewerCreate_XDMF(PetscObjectComm((PetscObject)dm), filename, &viewer));
406: PetscCall(private_DMSwarmView_XDMF(dm, viewer));
407: for (f = 4; f < swarm->db->nfields; f++) { /* only examine user defined fields - the first 4 are internally created by DMSwarmPIC */
408: DMSwarmDataField field;
410: /* query field type - accept all those of type PETSC_DOUBLE */
411: field = swarm->db->field[f];
412: if (field->petsc_type == PETSC_DOUBLE) {
413: PetscCall(DMSwarmCreateGlobalVectorFromField(dm, field->name, &dvec));
414: PetscCall(PetscObjectSetName((PetscObject)dvec, field->name));
415: PetscCall(private_VecView_Swarm_XDMF(dvec, viewer));
416: PetscCall(DMSwarmDestroyGlobalVectorFromField(dm, field->name, &dvec));
417: } else if (field->petsc_type == PETSC_INT) {
418: IS is;
419: PetscInt N;
420: const PetscInt *idx;
421: void *data;
423: PetscCall(DMSwarmGetLocalSize(dm, &N));
424: PetscCall(DMSwarmGetField(dm, field->name, NULL, NULL, &data));
425: idx = (const PetscInt *)data;
427: PetscCall(ISCreateGeneral(PetscObjectComm((PetscObject)dm), N, idx, PETSC_USE_POINTER, &is));
428: PetscCall(PetscObjectSetName((PetscObject)is, field->name));
429: PetscCall(private_ISView_Swarm_XDMF(is, viewer));
430: PetscCall(ISDestroy(&is));
431: PetscCall(DMSwarmRestoreField(dm, field->name, NULL, NULL, &data));
432: }
433: }
434: PetscCall(private_PetscViewerDestroy_XDMF(&viewer));
435: PetscFunctionReturn(PETSC_SUCCESS);
436: }