1 /* Routines to visualize DMDAs and fields through GLVis */ 2 3 #include <petsc/private/dmdaimpl.h> 4 #include <petsc/private/glvisviewerimpl.h> 5 6 typedef struct { 7 PetscBool ll; 8 } DMDAGhostedGLVisViewerCtx; 9 10 static PetscErrorCode DMDAGhostedDestroyGLVisViewerCtx_Private(void **vctx) 11 { 12 PetscFunctionBegin; 13 PetscCall(PetscFree(*vctx)); 14 PetscFunctionReturn(PETSC_SUCCESS); 15 } 16 17 typedef struct { 18 Vec xlocal; 19 } DMDAFieldGLVisViewerCtx; 20 21 static PetscErrorCode DMDAFieldDestroyGLVisViewerCtx_Private(void *vctx) 22 { 23 DMDAFieldGLVisViewerCtx *ctx = (DMDAFieldGLVisViewerCtx *)vctx; 24 25 PetscFunctionBegin; 26 PetscCall(VecDestroy(&ctx->xlocal)); 27 PetscCall(PetscFree(vctx)); 28 PetscFunctionReturn(PETSC_SUCCESS); 29 } 30 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; 39 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; 49 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; 56 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 } 67 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; 73 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 } 88 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; 98 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 } 138 139 PetscErrorCode DMSetUpGLVisViewer_DMDA(PetscObject oda, PetscViewer viewer) 140 { 141 DM da = (DM)oda, daview; 142 143 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; 152 153 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; 202 203 PetscCall(DMDAGetNumElementsGhosted(daview, &ien, &jen, &ken)); 204 nc = ien * (jen > 0 ? jen : 1) * (ken > 0 ? ken : 1); 205 206 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 } 230 231 /* 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)); 234 235 /* daview is composed with the original DMDA */ 236 PetscCall(PetscObjectCompose(oda, "GLVisGraphicsDMDAGhosted", (PetscObject)daview)); 237 PetscCall(PetscObjectDereference((PetscObject)daview)); 238 } 239 240 /* 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; 251 252 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; 261 262 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; 270 271 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; 281 282 for (PetscInt b = 0; b < bss_i; ++b) { 283 size_t len; 284 285 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; 294 295 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 } 308 309 /* the viewer context takes ownership of xlocal and destroys it in DMDAFieldDestroyGLVisViewerCtx_Private */ 310 PetscCall(PetscNew(&ctx)); 311 ctx->xlocal = xlocal; 312 313 /* 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 } 320 321 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 } 331 332 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; 344 345 PetscFunctionBegin; 346 PetscValidHeaderSpecific(dm, DM_CLASSID, 1); 347 PetscValidHeaderSpecific(viewer, PETSC_VIEWER_CLASSID, 2); 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)); 353 354 /* 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)); 369 370 PetscCall(PetscViewerASCIIPrintf(viewer, "MFEM mesh v1.0\n")); 371 PetscCall(PetscViewerASCIIPrintf(viewer, "\ndimension\n")); 372 PetscCall(PetscViewerASCIIPrintf(viewer, "%" PetscInt_FMT "\n", dim)); 373 374 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 } 384 385 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")); 438 439 /* 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; 451 452 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; 472 473 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; 490 491 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 } 504 505 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 } 511