Actual source code: grglvis.c
1: /* Routines to visualize DMDAs and fields through GLVis */
3: #include <petsc/private/dmdaimpl.h>
4: #include <petsc/private/glvisviewerimpl.h>
6: typedef struct {
7: PetscBool ll;
8: } DMDAGhostedGLVisViewerCtx;
10: static PetscErrorCode DMDAGhostedDestroyGLVisViewerCtx_Private(void **vctx)
11: {
12: PetscFunctionBegin;
13: PetscCall(PetscFree(*vctx));
14: PetscFunctionReturn(PETSC_SUCCESS);
15: }
17: typedef struct {
18: Vec xlocal;
19: } DMDAFieldGLVisViewerCtx;
21: static PetscErrorCode DMDAFieldDestroyGLVisViewerCtx_Private(void *vctx)
22: {
23: DMDAFieldGLVisViewerCtx *ctx = (DMDAFieldGLVisViewerCtx *)vctx;
25: PetscFunctionBegin;
26: PetscCall(VecDestroy(&ctx->xlocal));
27: PetscCall(PetscFree(vctx));
28: PetscFunctionReturn(PETSC_SUCCESS);
29: }
31: /*
32: dactx->ll is false -> all but the last proc per dimension claim the ghosted node on the right
33: dactx->ll is true -> all but the first proc per dimension claim the ghosted node on the left
34: */
35: static PetscErrorCode DMDAGetNumElementsGhosted(DM da, PetscInt *nex, PetscInt *ney, PetscInt *nez)
36: {
37: DMDAGhostedGLVisViewerCtx *dactx;
38: PetscInt sx, sy, sz, ien, jen, ken;
40: PetscFunctionBegin;
41: /* Appease -Wmaybe-uninitialized */
42: if (nex) *nex = -1;
43: if (ney) *ney = -1;
44: if (nez) *nez = -1;
45: PetscCall(DMDAGetCorners(da, &sx, &sy, &sz, &ien, &jen, &ken));
46: PetscCall(DMGetApplicationContext(da, &dactx));
47: if (dactx->ll) {
48: PetscInt dim;
50: PetscCall(DMGetDimension(da, &dim));
51: if (!sx) ien--;
52: if (!sy && dim > 1) jen--;
53: if (!sz && dim > 2) ken--;
54: } else {
55: PetscInt M, N, P;
57: PetscCall(DMDAGetInfo(da, NULL, &M, &N, &P, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL));
58: if (sx + ien == M) ien--;
59: if (sy + jen == N) jen--;
60: if (sz + ken == P) ken--;
61: }
62: if (nex) *nex = ien;
63: if (ney) *ney = jen;
64: if (nez) *nez = ken;
65: PetscFunctionReturn(PETSC_SUCCESS);
66: }
68: /* inherits number of vertices from DMDAGetNumElementsGhosted */
69: static PetscErrorCode DMDAGetNumVerticesGhosted(DM da, PetscInt *nvx, PetscInt *nvy, PetscInt *nvz)
70: {
71: PetscInt ien = 0, jen = 0, ken = 0, dim;
72: PetscInt tote;
74: PetscFunctionBegin;
75: PetscCall(DMGetDimension(da, &dim));
76: PetscCall(DMDAGetNumElementsGhosted(da, &ien, &jen, &ken));
77: tote = ien * (dim > 1 ? jen : 1) * (dim > 2 ? ken : 1);
78: if (tote) {
79: ien = ien + 1;
80: jen = dim > 1 ? jen + 1 : 1;
81: ken = dim > 2 ? ken + 1 : 1;
82: }
83: if (nvx) *nvx = ien;
84: if (nvy) *nvy = jen;
85: if (nvz) *nvz = ken;
86: PetscFunctionReturn(PETSC_SUCCESS);
87: }
89: static PetscErrorCode DMDASampleGLVisFields_Private(PetscObject oX, PetscInt nf, PetscObject oXf[], void *vctx)
90: {
91: DM da;
92: DMDAFieldGLVisViewerCtx *ctx = (DMDAFieldGLVisViewerCtx *)vctx;
93: DMDAGhostedGLVisViewerCtx *dactx;
94: const PetscScalar *array;
95: PetscScalar **arrayf;
96: PetscInt i, f, ii, ien, jen, ken, ie, je, ke, bs, *bss;
97: PetscInt sx, sy, sz, gsx, gsy, gsz, ist, jst, kst, gm, gn, gp;
99: PetscFunctionBegin;
100: PetscCall(VecGetDM(ctx->xlocal, &da));
101: PetscCheck(da, PetscObjectComm(oX), PETSC_ERR_ARG_WRONG, "Vector not generated from a DMDA");
102: PetscCall(DMGetApplicationContext(da, &dactx));
103: PetscCall(VecGetBlockSize(ctx->xlocal, &bs));
104: PetscCall(DMGlobalToLocalBegin(da, (Vec)oX, INSERT_VALUES, ctx->xlocal));
105: PetscCall(DMGlobalToLocalEnd(da, (Vec)oX, INSERT_VALUES, ctx->xlocal));
106: PetscCall(DMDAGetNumVerticesGhosted(da, &ien, &jen, &ken));
107: PetscCall(DMDAGetGhostCorners(da, &gsx, &gsy, &gsz, &gm, &gn, &gp));
108: PetscCall(DMDAGetCorners(da, &sx, &sy, &sz, NULL, NULL, NULL));
109: if (dactx->ll) {
110: kst = jst = ist = 0;
111: } else {
112: kst = gsz != sz ? 1 : 0;
113: jst = gsy != sy ? 1 : 0;
114: ist = gsx != sx ? 1 : 0;
115: }
116: PetscCall(PetscMalloc2(nf, &arrayf, nf, &bss));
117: PetscCall(VecGetArrayRead(ctx->xlocal, &array));
118: for (f = 0; f < nf; f++) {
119: PetscCall(VecGetBlockSize((Vec)oXf[f], &bss[f]));
120: PetscCall(VecGetArray((Vec)oXf[f], &arrayf[f]));
121: }
122: for (ke = kst, ii = 0; ke < kst + ken; ke++) {
123: for (je = jst; je < jst + jen; je++) {
124: for (ie = ist; ie < ist + ien; ie++) {
125: PetscInt cf, b;
126: i = ke * gm * gn + je * gm + ie;
127: for (f = 0, cf = 0; f < nf; f++)
128: for (b = 0; b < bss[f]; b++) arrayf[f][bss[f] * ii + b] = array[i * bs + cf++];
129: ii++;
130: }
131: }
132: }
133: for (f = 0; f < nf; f++) PetscCall(VecRestoreArray((Vec)oXf[f], &arrayf[f]));
134: PetscCall(VecRestoreArrayRead(ctx->xlocal, &array));
135: PetscCall(PetscFree2(arrayf, bss));
136: PetscFunctionReturn(PETSC_SUCCESS);
137: }
139: PetscErrorCode DMSetUpGLVisViewer_DMDA(PetscObject oda, PetscViewer viewer)
140: {
141: DM da = (DM)oda, daview;
143: PetscFunctionBegin;
144: PetscCall(PetscObjectQuery(oda, "GLVisGraphicsDMDAGhosted", (PetscObject *)&daview));
145: if (!daview) {
146: DMDAGhostedGLVisViewerCtx *dactx;
147: DM dacoord = NULL;
148: Vec xcoor, xcoorl;
149: PetscBool hashocoord = PETSC_FALSE;
150: const PetscInt *lx, *ly, *lz;
151: PetscInt dim, M, N, P, m, n, p, dof, s, i;
153: PetscCall(PetscNew(&dactx));
154: dactx->ll = PETSC_TRUE; /* default to match elements layout obtained by DMDAGetElements */
155: PetscOptionsBegin(PetscObjectComm(oda), oda->prefix, "GLVis PetscViewer DMDA Options", "PetscViewer");
156: PetscCall(PetscOptionsBool("-viewer_glvis_dm_da_ll", "Left-looking subdomain view", NULL, dactx->ll, &dactx->ll, NULL));
157: PetscOptionsEnd();
158: /* Create a properly ghosted DMDA to visualize the mesh and the fields associated with */
159: PetscCall(DMDAGetInfo(da, &dim, &M, &N, &P, &m, &n, &p, &dof, &s, NULL, NULL, NULL, NULL));
160: PetscCall(DMDAGetOwnershipRanges(da, &lx, &ly, &lz));
161: PetscCall(PetscObjectQuery((PetscObject)da, "_glvis_mesh_coords", (PetscObject *)&xcoor));
162: if (!xcoor) {
163: PetscCall(DMGetCoordinates(da, &xcoor));
164: } else {
165: hashocoord = PETSC_TRUE;
166: }
167: PetscCall(PetscInfo(da, "Creating auxiliary DMDA for managing GLVis graphics\n"));
168: switch (dim) {
169: case 1:
170: PetscCall(DMDACreate1d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, M, dof, 1, lx, &daview));
171: if (!hashocoord) PetscCall(DMDACreate1d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, M, 1, 1, lx, &dacoord));
172: break;
173: case 2:
174: PetscCall(DMDACreate2d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, M, N, m, n, dof, 1, lx, ly, &daview));
175: if (!hashocoord) PetscCall(DMDACreate2d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, M, N, m, n, 2, 1, lx, ly, &dacoord));
176: break;
177: case 3:
178: PetscCall(DMDACreate3d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, M, N, P, m, n, p, dof, 1, lx, ly, lz, &daview));
179: if (!hashocoord) PetscCall(DMDACreate3d(PetscObjectComm((PetscObject)da), DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, M, N, P, m, n, p, 3, 1, lx, ly, lz, &dacoord));
180: break;
181: default:
182: SETERRQ(PetscObjectComm((PetscObject)da), PETSC_ERR_SUP, "Unsupported dimension %" PetscInt_FMT, dim);
183: }
184: PetscCall(DMSetApplicationContext(daview, dactx));
185: PetscCall(DMSetApplicationContextDestroy(daview, DMDAGhostedDestroyGLVisViewerCtx_Private));
186: PetscCall(DMSetUp(daview));
187: if (!xcoor) {
188: PetscCall(DMDASetUniformCoordinates(daview, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0));
189: PetscCall(DMGetCoordinates(daview, &xcoor));
190: }
191: if (dacoord) {
192: PetscCall(DMSetUp(dacoord));
193: PetscCall(DMCreateLocalVector(dacoord, &xcoorl));
194: PetscCall(DMGlobalToLocalBegin(dacoord, xcoor, INSERT_VALUES, xcoorl));
195: PetscCall(DMGlobalToLocalEnd(dacoord, xcoor, INSERT_VALUES, xcoorl));
196: PetscCall(DMDestroy(&dacoord));
197: } else {
198: PetscInt ien, jen, ken, nc, nl, cdof, deg;
199: char fecmesh[64];
200: const char *name;
201: PetscBool flg;
203: PetscCall(DMDAGetNumElementsGhosted(daview, &ien, &jen, &ken));
204: nc = ien * (jen > 0 ? jen : 1) * (ken > 0 ? ken : 1);
206: PetscCall(VecGetLocalSize(xcoor, &nl));
207: PetscCheck(!nc || (nl % nc) == 0, PETSC_COMM_SELF, PETSC_ERR_SUP, "Incompatible local coordinate size %" PetscInt_FMT " and number of cells %" PetscInt_FMT, nl, nc);
208: PetscCall(VecDuplicate(xcoor, &xcoorl));
209: PetscCall(VecCopy(xcoor, xcoorl));
210: PetscCall(VecSetDM(xcoorl, NULL));
211: PetscCall(PetscObjectGetName((PetscObject)xcoor, &name));
212: PetscCall(PetscStrbeginswith(name, "FiniteElementCollection:", &flg));
213: if (!flg) {
214: deg = 0;
215: if (nc && nl) {
216: cdof = nl / (nc * dim);
217: deg = 1;
218: while (1) {
219: PetscInt degd = 1;
220: for (i = 0; i < dim; i++) degd *= (deg + 1);
221: PetscCheck(degd <= cdof, PETSC_COMM_SELF, PETSC_ERR_SUP, "Cell dofs %" PetscInt_FMT, cdof);
222: if (degd == cdof) break;
223: deg++;
224: }
225: }
226: PetscCall(PetscSNPrintf(fecmesh, sizeof(fecmesh), "FiniteElementCollection: L2_T1_%" PetscInt_FMT "D_P%" PetscInt_FMT, dim, deg));
227: PetscCall(PetscObjectSetName((PetscObject)xcoorl, fecmesh));
228: } else PetscCall(PetscObjectSetName((PetscObject)xcoorl, name));
229: }
231: /* xcoorl is composed with the ghosted DMDA, the ghosted coordinate DMDA (if present) is only available through this vector */
232: PetscCall(PetscObjectCompose((PetscObject)daview, "GLVisGraphicsCoordsGhosted", (PetscObject)xcoorl));
233: PetscCall(PetscObjectDereference((PetscObject)xcoorl));
235: /* daview is composed with the original DMDA */
236: PetscCall(PetscObjectCompose(oda, "GLVisGraphicsDMDAGhosted", (PetscObject)daview));
237: PetscCall(PetscObjectDereference((PetscObject)daview));
238: }
240: /* customize the viewer if present */
241: if (viewer) {
242: DMDAFieldGLVisViewerCtx *ctx;
243: DMDAGhostedGLVisViewerCtx *dactx;
244: char fec[64];
245: Vec xlocal, *Ufield;
246: const char **dafieldname;
247: char **fec_type, **fieldname;
248: PetscInt *nlocal, *bss, *dims;
249: PetscInt dim, M, N, P, dof, s, i, nf;
250: PetscBool bsset;
252: PetscCall(DMDAGetInfo(daview, &dim, NULL, NULL, NULL, NULL, NULL, NULL, &dof, NULL, NULL, NULL, NULL, NULL));
253: PetscCall(DMGetApplicationContext(daview, &dactx));
254: PetscCall(DMCreateLocalVector(daview, &xlocal));
255: PetscCall(DMDAGetFieldNames(da, (const char *const **)&dafieldname));
256: PetscCall(DMDAGetNumVerticesGhosted(daview, &M, &N, &P));
257: PetscCall(PetscSNPrintf(fec, sizeof(fec), "FiniteElementCollection: H1_%" PetscInt_FMT "D_P1", dim));
258: PetscCall(PetscMalloc6(dof, &fec_type, dof, &nlocal, dof, &bss, dof, &dims, dof, &fieldname, dof, &Ufield));
259: for (i = 0; i < dof; i++) bss[i] = 1;
260: nf = dof;
262: PetscOptionsBegin(PetscObjectComm(oda), oda->prefix, "GLVis PetscViewer DMDA Field options", "PetscViewer");
263: PetscCall(PetscOptionsIntArray("-viewer_glvis_dm_da_bs", "Block sizes for subfields; enable vector representation", NULL, bss, &nf, &bsset));
264: PetscOptionsEnd();
265: if (bsset) {
266: PetscInt t;
267: for (i = 0, t = 0; i < nf; i++) t += bss[i];
268: PetscCheck(t == dof, PetscObjectComm(oda), PETSC_ERR_USER, "Sum of block sizes %" PetscInt_FMT " should equal %" PetscInt_FMT, t, dof);
269: } else nf = dof;
271: for (i = 0, s = 0; i < nf; i++) {
272: PetscCall(PetscStrallocpy(fec, &fec_type[i]));
273: if (bss[i] == 1) {
274: PetscCall(PetscStrallocpy(dafieldname[s], &fieldname[i]));
275: } else {
276: const char prefix[] = "Vector-";
277: const size_t prefix_len = PETSC_STATIC_ARRAY_LENGTH(prefix);
278: const PetscInt bss_i = bss[i];
279: char *fname_i = NULL;
280: size_t tlen = prefix_len, cur_len;
282: for (PetscInt b = 0; b < bss_i; ++b) {
283: size_t len;
285: PetscCall(PetscStrlen(dafieldname[s + b], &len));
286: tlen += len + 1; /* field + "-" */
287: }
288: PetscCall(PetscMalloc1(tlen, &fname_i));
289: PetscCall(PetscArraycpy(fname_i, prefix, prefix_len - 1));
290: cur_len = prefix_len;
291: for (PetscInt b = 0; b < bss_i; ++b) {
292: const char *dafname = dafieldname[s + b];
293: size_t len;
295: PetscCall(PetscStrlen(dafname, &len));
296: PetscCall(PetscArraycpy(fname_i + cur_len, dafname, len + 1));
297: cur_len += len + 1;
298: // don't add for final iteration of the loop
299: if ((b + 1) < bss_i) fname_i[cur_len++] = '-';
300: }
301: fname_i[cur_len] = '\0';
302: fieldname[i] = fname_i;
303: }
304: dims[i] = dim;
305: nlocal[i] = M * N * P * bss[i];
306: s += bss[i];
307: }
309: /* the viewer context takes ownership of xlocal and destroys it in DMDAFieldDestroyGLVisViewerCtx_Private */
310: PetscCall(PetscNew(&ctx));
311: ctx->xlocal = xlocal;
313: /* create work vectors */
314: for (i = 0; i < nf; i++) {
315: PetscCall(VecCreateMPI(PetscObjectComm((PetscObject)da), nlocal[i], PETSC_DECIDE, &Ufield[i]));
316: PetscCall(PetscObjectSetName((PetscObject)Ufield[i], fieldname[i]));
317: PetscCall(VecSetBlockSize(Ufield[i], bss[i]));
318: PetscCall(VecSetDM(Ufield[i], da));
319: }
321: PetscCall(PetscViewerGLVisSetFields(viewer, nf, (const char **)fec_type, dims, DMDASampleGLVisFields_Private, (PetscObject *)Ufield, ctx, DMDAFieldDestroyGLVisViewerCtx_Private));
322: for (i = 0; i < nf; i++) {
323: PetscCall(PetscFree(fec_type[i]));
324: PetscCall(PetscFree(fieldname[i]));
325: PetscCall(VecDestroy(&Ufield[i]));
326: }
327: PetscCall(PetscFree6(fec_type, nlocal, bss, dims, fieldname, Ufield));
328: }
329: PetscFunctionReturn(PETSC_SUCCESS);
330: }
332: static PetscErrorCode DMDAView_GLVis_ASCII(DM dm, PetscViewer viewer)
333: {
334: DM da, cda;
335: Vec xcoorl;
336: PetscMPIInt size;
337: const PetscScalar *array;
338: PetscContainer glvis_container;
339: PetscInt dim, sdim, i, vid[8], mid, cid, cdof;
340: PetscInt sx, sy, sz, ie, je, ke, ien, jen, ken, nel;
341: PetscInt gsx, gsy, gsz, gm, gn, gp, kst, jst, ist;
342: PetscBool enabled = PETSC_TRUE, isascii;
343: const char *fmt;
345: PetscFunctionBegin;
348: PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &isascii));
349: PetscCheck(isascii, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Viewer must be of type VIEWERASCII");
350: PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)viewer), &size));
351: PetscCheck(size <= 1, PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Use single sequential viewers for parallel visualization");
352: PetscCall(DMGetDimension(dm, &dim));
354: /* get container: determines if a process visualizes is portion of the data or not */
355: PetscCall(PetscObjectQuery((PetscObject)viewer, "_glvis_info_container", (PetscObject *)&glvis_container));
356: PetscCheck(glvis_container, PetscObjectComm((PetscObject)dm), PETSC_ERR_PLIB, "Missing GLVis container");
357: {
358: PetscViewerGLVisInfo glvis_info;
359: PetscCall(PetscContainerGetPointer(glvis_container, (void **)&glvis_info));
360: enabled = glvis_info->enabled;
361: fmt = glvis_info->fmt;
362: }
363: /* this can happen if we are calling DMView outside of VecView_GLVis */
364: PetscCall(PetscObjectQuery((PetscObject)dm, "GLVisGraphicsDMDAGhosted", (PetscObject *)&da));
365: if (!da) PetscCall(DMSetUpGLVisViewer_DMDA((PetscObject)dm, NULL));
366: PetscCall(PetscObjectQuery((PetscObject)dm, "GLVisGraphicsDMDAGhosted", (PetscObject *)&da));
367: PetscCheck(da, PetscObjectComm((PetscObject)dm), PETSC_ERR_PLIB, "Missing GLVis ghosted DMDA");
368: PetscCall(DMGetCoordinateDim(da, &sdim));
370: PetscCall(PetscViewerASCIIPrintf(viewer, "MFEM mesh v1.0\n"));
371: PetscCall(PetscViewerASCIIPrintf(viewer, "\ndimension\n"));
372: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", dim));
374: if (!enabled) {
375: PetscCall(PetscViewerASCIIPrintf(viewer, "\nelements\n"));
376: PetscCall(PetscViewerASCIIPrintf(viewer, "0\n"));
377: PetscCall(PetscViewerASCIIPrintf(viewer, "\nboundary\n"));
378: PetscCall(PetscViewerASCIIPrintf(viewer, "0\n"));
379: PetscCall(PetscViewerASCIIPrintf(viewer, "\nvertices\n"));
380: PetscCall(PetscViewerASCIIPrintf(viewer, "0\n"));
381: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", sdim));
382: PetscFunctionReturn(PETSC_SUCCESS);
383: }
385: PetscCall(DMDAGetNumElementsGhosted(da, &ien, &jen, &ken));
386: nel = ien;
387: if (dim > 1) nel *= jen;
388: if (dim > 2) nel *= ken;
389: PetscCall(PetscViewerASCIIPrintf(viewer, "\nelements\n"));
390: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", nel));
391: switch (dim) {
392: case 1:
393: for (ie = 0; ie < ien; ie++) {
394: vid[0] = ie;
395: vid[1] = ie + 1;
396: mid = 1; /* material id */
397: cid = 1; /* segment */
398: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", mid, cid, vid[0], vid[1]));
399: }
400: break;
401: case 2:
402: for (je = 0; je < jen; je++) {
403: for (ie = 0; ie < ien; ie++) {
404: vid[0] = je * (ien + 1) + ie;
405: vid[1] = je * (ien + 1) + ie + 1;
406: vid[2] = (je + 1) * (ien + 1) + ie + 1;
407: vid[3] = (je + 1) * (ien + 1) + ie;
408: mid = 1; /* material id */
409: cid = 3; /* quad */
410: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", mid, cid, vid[0], vid[1], vid[2], vid[3]));
411: }
412: }
413: break;
414: case 3:
415: for (ke = 0; ke < ken; ke++) {
416: for (je = 0; je < jen; je++) {
417: for (ie = 0; ie < ien; ie++) {
418: vid[0] = ke * (jen + 1) * (ien + 1) + je * (ien + 1) + ie;
419: vid[1] = ke * (jen + 1) * (ien + 1) + je * (ien + 1) + ie + 1;
420: vid[2] = ke * (jen + 1) * (ien + 1) + (je + 1) * (ien + 1) + ie + 1;
421: vid[3] = ke * (jen + 1) * (ien + 1) + (je + 1) * (ien + 1) + ie;
422: vid[4] = (ke + 1) * (jen + 1) * (ien + 1) + je * (ien + 1) + ie;
423: vid[5] = (ke + 1) * (jen + 1) * (ien + 1) + je * (ien + 1) + ie + 1;
424: vid[6] = (ke + 1) * (jen + 1) * (ien + 1) + (je + 1) * (ien + 1) + ie + 1;
425: vid[7] = (ke + 1) * (jen + 1) * (ien + 1) + (je + 1) * (ien + 1) + ie;
426: mid = 1; /* material id */
427: cid = 5; /* hex */
428: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", mid, cid, vid[0], vid[1], vid[2], vid[3], vid[4], vid[5], vid[6], vid[7]));
429: }
430: }
431: }
432: break;
433: default:
434: SETERRQ(PetscObjectComm((PetscObject)da), PETSC_ERR_SUP, "Unsupported dimension %" PetscInt_FMT, dim);
435: }
436: PetscCall(PetscViewerASCIIPrintf(viewer, "\nboundary\n"));
437: PetscCall(PetscViewerASCIIPrintf(viewer, "0\n"));
439: /* vertex coordinates */
440: PetscCall(PetscObjectQuery((PetscObject)da, "GLVisGraphicsCoordsGhosted", (PetscObject *)&xcoorl));
441: PetscCheck(xcoorl, PetscObjectComm((PetscObject)dm), PETSC_ERR_PLIB, "Missing GLVis ghosted coords");
442: PetscCall(DMDAGetNumVerticesGhosted(da, &ien, &jen, &ken));
443: PetscCall(PetscViewerASCIIPrintf(viewer, "\nvertices\n"));
444: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", ien * jen * ken));
445: if (nel) {
446: PetscCall(VecGetDM(xcoorl, &cda));
447: PetscCall(VecGetArrayRead(xcoorl, &array));
448: if (!cda) { /* HO viz */
449: const char *fecname;
450: PetscInt nc, nl;
452: PetscCall(PetscObjectGetName((PetscObject)xcoorl, &fecname));
453: PetscCall(PetscViewerASCIIPrintf(viewer, "nodes\n"));
454: PetscCall(PetscViewerASCIIPrintf(viewer, "FiniteElementSpace\n"));
455: PetscCall(PetscViewerASCIIPrintf(viewer, "%s\n", fecname));
456: PetscCall(PetscViewerASCIIPrintf(viewer, "VDim: %" PetscInt_FMT "\n", sdim));
457: PetscCall(PetscViewerASCIIPrintf(viewer, "Ordering: 1\n\n")); /*Ordering::byVDIM*/
458: /* L2 coordinates */
459: PetscCall(DMDAGetNumElementsGhosted(da, &ien, &jen, &ken));
460: PetscCall(VecGetLocalSize(xcoorl, &nl));
461: nc = ien * (jen > 0 ? jen : 1) * (ken > 0 ? ken : 1);
462: cdof = nc ? nl / nc : 0;
463: if (!ien) ien++;
464: if (!jen) jen++;
465: if (!ken) ken++;
466: ist = jst = kst = 0;
467: gm = ien;
468: gn = jen;
469: gp = ken;
470: } else {
471: DMDAGhostedGLVisViewerCtx *dactx;
473: PetscCall(DMGetApplicationContext(da, &dactx));
474: PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", sdim));
475: cdof = sdim;
476: PetscCall(DMDAGetCorners(da, &sx, &sy, &sz, NULL, NULL, NULL));
477: PetscCall(DMDAGetGhostCorners(da, &gsx, &gsy, &gsz, &gm, &gn, &gp));
478: if (dactx->ll) {
479: kst = jst = ist = 0;
480: } else {
481: kst = gsz != sz ? 1 : 0;
482: jst = gsy != sy ? 1 : 0;
483: ist = gsx != sx ? 1 : 0;
484: }
485: }
486: for (ke = kst; ke < kst + ken; ke++) {
487: for (je = jst; je < jst + jen; je++) {
488: for (ie = ist; ie < ist + ien; ie++) {
489: PetscInt c;
491: i = ke * gm * gn + je * gm + ie;
492: for (c = 0; c < cdof / sdim; c++) {
493: PetscInt d;
494: for (d = 0; d < sdim; d++) PetscCall(PetscViewerASCIIPrintf(viewer, fmt, PetscRealPart(array[cdof * i + c * sdim + d])));
495: PetscCall(PetscViewerASCIIPrintf(viewer, "\n"));
496: }
497: }
498: }
499: }
500: PetscCall(VecRestoreArrayRead(xcoorl, &array));
501: }
502: PetscFunctionReturn(PETSC_SUCCESS);
503: }
505: PetscErrorCode DMView_DA_GLVis(DM dm, PetscViewer viewer)
506: {
507: PetscFunctionBegin;
508: PetscCall(DMView_GLVis(dm, viewer, DMDAView_GLVis_ASCII));
509: PetscFunctionReturn(PETSC_SUCCESS);
510: }