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VtkPolyhedralMeshIOService.cc
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2025 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* VtkPolyhedralMeshIOService (C) 2000-2025 */
9/* */
10/* Read/write fools for polyhedral mesh with vtk file format */
11/*---------------------------------------------------------------------------*/
12/*---------------------------------------------------------------------------*/
13
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16#include <iostream>
17#include <numeric>
18#include <functional>
19#include <memory>
20#include <iterator>
21
22#include <vtkUnstructuredGrid.h>
23#include <vtkUnstructuredGridReader.h>
24#include <vtkNew.h>
25#include <vtkCellIterator.h>
26#include <vtkIdTypeArray.h>
27#include <vtkCellData.h>
28#include <vtkPointData.h>
29#include <vtkDataSetAttributes.h>
30#include <vtkArrayDispatch.h>
31#include <vtkDataArrayAccessor.h>
32#include <vtkPolyDataReader.h>
33#include <vtkPolyData.h>
34#include <vtkSmartPointer.h>
35#include <vtkCellArray.h>
36#include <vtkVersion.h>
37#if VTK_VERSION_NUMBER >= 900000000
38using vtkIdType_generic = vtkIdType const;
39#else
40using vtkIdType_generic = vtkIdType;
41#endif
42
43#include <arccore/base/Ref.h>
44#include <arccore/base/String.h>
45#include <arccore/base/FatalErrorException.h>
46#include <vtkXMLUnstructuredGridReader.h>
47#include <vtkXMLPolyDataReader.h>
48
49#include "arcane/core/ArcaneTypes.h"
50#include "arcane/core/AbstractService.h"
51#include "arcane/core/ICaseMeshReader.h"
52#include "arcane/core/ServiceFactory.h"
53#include "arcane/core/IMeshBuilder.h"
54#include "arcane/core/MeshBuildInfo.h"
55#include "arcane/core/IPrimaryMesh.h"
56#include "arcane/core/MeshUtils.h"
57#include "arcane/core/IMeshInitialAllocator.h"
58#include "arcane/core/IVariableMng.h"
59#include "arcane/utils/ArcaneGlobal.h"
60#include "arcane/utils/ITraceMng.h"
61#include "arcane/utils/UniqueArray.h"
62#include "arcane/utils/Real3.h"
63#include "arcane/mesh/CellFamily.h"
64#include "arcane/core/MeshVariableScalarRef.h"
65#include "arcane/core/MeshVariableArrayRef.h"
66
67#include "arcane/core/ItemAllocationInfo.h"
68#include "arcane/core/VariableBuildInfo.h"
69
70#include "arcane/utils/OStringStream.h"
71
72#include "arcane/core/IXmlDocumentHolder.h"
73#include "arcane/core/XmlNode.h"
74#include "arcane/core/internal/IVariableMngInternal.h"
75#include "arcane/core/datatype/DataTypeTraits.h"
76
77#include "arcane/std/VtkPolyhedralMeshIO_axl.h"
78
79/*---------------------------------------------------------------------------*/
80/*---------------------------------------------------------------------------*/
81
82namespace Arcane
83{
84
85namespace VtkPolyhedralTools
86{
87 struct ReadStatus
88 {
89 bool failure = false;
90 String failure_message;
91 String info_message;
92 };
93
94 struct PrintInfoLevel
95 {
96 bool print_mesh_info = false;
97 bool print_debug_info = false;
98 };
99} // namespace VtkPolyhedralTools
100
101class VtkPolyhedralMeshIOService
102: public TraceAccessor
103{
104 public:
105
106 explicit VtkPolyhedralMeshIOService(ITraceMng* trace_mng, VtkPolyhedralTools::PrintInfoLevel print_info_level)
107 : TraceAccessor(trace_mng)
108 , m_print_info_level(print_info_level)
109 {}
110
111 class VtkReader
112 {
113
114 public:
115
116 explicit VtkReader(const String& filename, VtkPolyhedralTools::PrintInfoLevel print_info_level = VtkPolyhedralTools::PrintInfoLevel{});
117
118 VtkReader() = default;
119
120 static String supportedVtkExtensions() noexcept {return "vtk,vtu";};
121
122 Int64ConstArrayView cellUids();
123 Int64ConstArrayView nodeUids();
124 Int64ConstArrayView faceUids();
125 Int64ConstArrayView edgeUids();
126
127 Integer nbNodes();
128
129 Int64ConstArrayView cellNodes();
130 Int32ConstArrayView cellNbNodes();
131
132 Int64ConstArrayView faceNodes();
133 Int32ConstArrayView faceNbNodes();
134
135 Int64ConstArrayView faceNodesInFaceMesh();
136 Int32ConstArrayView faceNbNodesInFaceMesh();
137
138 Int64ConstArrayView edgeNodes();
139 Int32ConstArrayView edgeNbNodes();
140
141 Int64ConstArrayView faceCells();
142 Int32ConstArrayView faceNbCells();
143
144 Int32ConstArrayView edgeNbCells();
145 Int64ConstArrayView edgeCells();
146
147 Int32ConstArrayView cellNbFaces();
148 Int64ConstArrayView cellFaces();
149
150 Int32ConstArrayView edgeNbFaces();
151 Int64ConstArrayView edgeFaces();
152
153 Int32ConstArrayView cellNbEdges();
154 Int64ConstArrayView cellEdges();
155
156 Int32ConstArrayView faceNbEdges();
157 Int64ConstArrayView faceEdges();
158
159 Int32ConstArrayView nodeNbCells();
160 Int64ConstArrayView nodeCells();
161
162 Int32ConstArrayView nodeNbFaces();
163 Int64ConstArrayView nodeFaces();
164
165 Int32ConstArrayView nodeNbEdges();
166 Int64ConstArrayView nodeEdges();
167
168 Real3ArrayView nodeCoords();
169
170 bool readHasFailed() const noexcept { return m_read_status.failure; }
171 VtkPolyhedralTools::ReadStatus readStatus() const noexcept { return m_read_status; }
172
173 vtkCellData* cellData();
174 vtkPointData* pointData();
175 vtkCellData* faceData();
176
177 bool isEmpty() const noexcept { return m_is_empty; }
178 bool doRead() const noexcept { return m_do_read; }
179
180 private:
181
182 bool m_is_empty = true;
183 bool m_do_read = false;
184 String m_filename;
185 VtkPolyhedralTools::PrintInfoLevel m_print_info_level;
186 VtkPolyhedralTools::ReadStatus m_read_status;
187 vtkNew<vtkUnstructuredGridReader> m_vtk_grid_reader;
188 vtkNew<vtkXMLUnstructuredGridReader> m_vtk_xml_grid_reader;
189 vtkNew<vtkPolyDataReader> m_vtk_face_grid_reader;
190 vtkNew<vtkXMLPolyDataReader> m_vtk_xml_face_grid_reader;
191 vtkUnstructuredGrid* m_vtk_grid = nullptr;
192 vtkPolyData* m_vtk_face_grid = nullptr;
193 Int64UniqueArray m_cell_uids, m_node_uids, m_face_uids, m_edge_uids;
194 Int64UniqueArray m_face_node_uids, m_edge_node_uids, m_cell_node_uids;
195 Int64UniqueArray m_face_cell_uids, m_edge_cell_uids, m_edge_face_uids;
196 Int64UniqueArray m_cell_face_uids, m_cell_edge_uids, m_face_edge_uids;
197 Int64UniqueArray m_node_cell_uids, m_node_face_uids, m_node_edge_uids;
198 Int32UniqueArray m_face_nb_nodes, m_cell_nb_nodes, m_face_nb_cells;
199 Int32UniqueArray m_edge_nb_cells, m_edge_nb_faces, m_cell_nb_faces;
200 Int32UniqueArray m_node_nb_cells, m_node_nb_faces, m_node_nb_edges;
201 Int32UniqueArray m_cell_nb_edges, m_face_nb_edges, m_face_uid_indexes;
202 Int32UniqueArray m_cell_face_indexes, m_edge_nb_nodes;
203 Int64UniqueArray m_face_node_uids_in_face_mesh;
204 Int32UniqueArray m_face_nb_nodes_in_face_mesh;
205 using NodeUidToIndexMap = Int32UniqueArray; // use a map when no longer possible to index with node uids
206 using FaceUidToIndexMap = Int32UniqueArray; // use a map when no longer possible to index with face uids
207 using EdgeUidToIndexMap = Int32UniqueArray; // use a map when no longer possible to index with edge uids
208 NodeUidToIndexMap m_node_uid_to_index;
209 Real3UniqueArray m_node_coordinates;
210 vtkCellData* m_cell_data = nullptr;
211 vtkPointData* m_point_data = nullptr;
212 vtkCellData* m_face_data = nullptr;
213 vtkCellArray* m_poly_data = nullptr; // to store faces from face mesh file
214
215 void _printMeshInfos() const;
216
217 std::pair<bool, Int32> _findFace(const Int64UniqueArray& sorted_face_nodes, const UniqueArray<Int64UniqueArray>& node_face_uids, const NodeUidToIndexMap& node_uid_to_index, const Int32UniqueArray& face_nb_nodes, const FaceUidToIndexMap& face_uid_to_index, const UniqueArray<Int32>& face_offsets, const Int64UniqueArray& face_node_uids);
218 template <typename Connectivity2DArray>
219 static void _flattenConnectivity(Connectivity2DArray connected_item_2darray, Int32Span nb_connected_item_per_source_item, Int64UniqueArray& connected_item_array);
220 void _readPlainTextVtkGrid(const String& filename);
221 void _readXlmVtkGrid(const String& filename);
222 void _checkVtkGrid() const;
223 void _readPlainTextVtkFaceGrid(const String& faces_filename);
224 void _readXmlVtkFaceGrid(const String& faces_filename);
225 void _readfaceNodesInFaceMesh();
226 };
227
228 public:
229
230 VtkPolyhedralTools::ReadStatus read(IPrimaryMesh* mesh, const String& filename, bool is_parallel_read)
231 {
232 ARCANE_CHECK_POINTER(mesh);
233 // warning meaning of parallel_read not obvious :
234 // if is parallel_read => master reads + broadcast, if not all ranks read a pre-distributed mesh
235 bool do_read = is_parallel_read ? mesh->parallelMng()->isMasterIO() : true;
236 using VtkReaderPtr = std::unique_ptr<VtkReader>;
237 VtkReaderPtr reader = std::make_unique<VtkReader>();
238 if (do_read) reader = std::make_unique<VtkReader>( filename, m_print_info_level );
239 if (reader->readHasFailed())
240 return reader->readStatus();
241 ItemAllocationInfo item_allocation_info;
242 _fillItemAllocationInfo(item_allocation_info, *reader);
243 auto polyhedral_mesh_allocator = mesh->initialAllocator()->polyhedralMeshAllocator();
244 polyhedral_mesh_allocator->allocateItems(item_allocation_info);
245 _readVariablesAndGroups(mesh, *reader);
246 return reader->readStatus();
247 }
248
249 private:
250
251 VtkPolyhedralTools::PrintInfoLevel m_print_info_level;
252
253 struct VariableInfo
254 {
255 eDataType m_type = DT_Unknown;
256 bool is_array = false;
257 };
258
259 void _readVariablesAndGroups(IPrimaryMesh* mesh, VtkReader& reader);
260 void _createGroup(vtkDataArray* group_items, const String& group_name, IPrimaryMesh* mesh, IItemFamily* item_family, Int32ConstSpan vtkToArcaneLid) const;
261 VariableInfo _createVariable(vtkDataArray* item_values, const String& variable_name, IMesh* mesh, IItemFamily* item_family, Int32ConstSpan arcane_to_vtk_lids) const;
262
263 static void _fillItemAllocationInfo(ItemAllocationInfo& item_allocation_info, VtkReader& vtk_reader);
264 void _computeFaceVtkArcaneLidConversion(Int32Span face_vtk_to_arcane_lids, Int32Span arcane_to_vtk_lids, VtkPolyhedralMeshIOService::VtkReader& reader, IPrimaryMesh* mesh) const;
265 void _createEmptyVariablesAndGroups(IMesh* mesh, XmlNode::const_reference xml_node) const;
266 template <template <class> class VariableRootType , template <class> class ArrayVariableRootType>
267 void _createEmptyVariables(IMesh* mesh, const XmlNodeList& cell_variables_node, eItemKind item_kind) const;
268 void _createEmptyGroups(IMesh* mesh, const XmlNodeList& children, IItemFamily* item_family) const;
269};
270
271/*---------------------------------------------------------------------------*/
272/*---------------------------------------------------------------------------*/
273
274class VtkPolyhedralCaseMeshReader
275: public ArcaneVtkPolyhedralMeshIOObject
276{
277 public:
278
279 class Builder : public IMeshBuilder
280 {
281 public:
282
283 explicit Builder(ITraceMng* tm, const CaseMeshReaderReadInfo& read_info, VtkPolyhedralTools::PrintInfoLevel print_info_level)
284 : m_trace_mng(tm)
285 , m_read_info(read_info)
286 , m_print_info_level(print_info_level)
287 {}
288
289 void fillMeshBuildInfo(MeshBuildInfo& build_info) override
290 {
291 build_info.addFactoryName("ArcanePolyhedralMeshFactory");
292 build_info.addNeedPartitioning(false);
293 MeshKind mk;
294 mk.setMeshStructure(eMeshStructure::Polyhedral);
295 build_info.addMeshKind(mk);
296 }
297
298 void allocateMeshItems(IPrimaryMesh* pm) override
299 {
300 ARCANE_CHECK_POINTER(pm);
301 m_trace_mng->info() << "---Create Polyhedral mesh: " << pm->name() << "---";
302 m_trace_mng->info() << "--Read mesh file " << m_read_info.fileName();
303 VtkPolyhedralMeshIOService polyhedral_vtk_service{ m_trace_mng, m_print_info_level };
304 auto read_status = polyhedral_vtk_service.read(pm, m_read_info.fileName(),m_read_info.isParallelRead());
305 if (read_status.failure)
306 ARCANE_FATAL(read_status.failure_message);
307 m_trace_mng->info() << read_status.info_message;
308 }
309
310 private:
311
312 ITraceMng* m_trace_mng;
313 CaseMeshReaderReadInfo m_read_info;
314 VtkPolyhedralTools::PrintInfoLevel m_print_info_level;
315 };
316
317 explicit VtkPolyhedralCaseMeshReader(const ServiceBuildInfo& sbi)
318 : ArcaneVtkPolyhedralMeshIOObject(sbi)
319 {}
320
321 public:
322
323 Ref<IMeshBuilder> createBuilder(const CaseMeshReaderReadInfo& read_info) const override
324 {
325 IMeshBuilder* builder = nullptr;
326 if (VtkPolyhedralMeshIOService::VtkReader::supportedVtkExtensions().contains(read_info.format()))
327 builder = new Builder(traceMng(), read_info, VtkPolyhedralTools::PrintInfoLevel{ options()->getPrintMeshInfos(), options()->getPrintDebugInfos() });
328 return makeRef(builder);
329 }
330};
331
332/*---------------------------------------------------------------------------*/
333/*---------------------------------------------------------------------------*/
334
335ARCANE_REGISTER_SERVICE(VtkPolyhedralCaseMeshReader,
336 ServiceProperty("VtkPolyhedralCaseMeshReader", ST_CaseOption),
337 ARCANE_SERVICE_INTERFACE(ICaseMeshReader));
338
339/*---------------------------------------------------------------------------*/
340/*---------------------------------------------------------------------------*/
341
342void VtkPolyhedralMeshIOService::
343_fillItemAllocationInfo(ItemAllocationInfo& item_allocation_info, VtkReader& vtk_reader)
344{
345 auto nb_item_family = 4;
346 auto nb_connected_family = 3;
347 item_allocation_info.family_infos.resize(nb_item_family);
348 for (auto& family_info : item_allocation_info.family_infos) {
349 family_info.connected_family_info.resize(nb_connected_family);
350 }
351 // Create regular item families and connectivities
352 auto& cell_family_info = item_allocation_info.family_infos[0];
353 cell_family_info.name = "Cell";
354 cell_family_info.item_kind = IK_Cell;
355 cell_family_info.item_uids = vtk_reader.cellUids();
356 auto& node_family_info = item_allocation_info.family_infos[1];
357 node_family_info.name = "Node";
358 node_family_info.item_kind = IK_Node;
359 node_family_info.item_uids = vtk_reader.nodeUids();
360 auto& face_family_info = item_allocation_info.family_infos[2];
361 face_family_info.name = "Face";
362 face_family_info.item_kind = IK_Face;
363 face_family_info.item_uids = vtk_reader.faceUids();
364 auto& edge_family_info = item_allocation_info.family_infos[3];
365 edge_family_info.name = "Edge";
366 edge_family_info.item_kind = IK_Edge;
367 edge_family_info.item_uids = vtk_reader.edgeUids();
368 // Cell to nodes connectivity
369 auto cell_connected_family_index = 0;
370 auto& cell_connected_node_family_info = cell_family_info.connected_family_info[cell_connected_family_index++];
371 cell_connected_node_family_info.name = node_family_info.name;
372 cell_connected_node_family_info.item_kind = node_family_info.item_kind;
373 cell_connected_node_family_info.connectivity_name = "CellToNodes";
374 cell_connected_node_family_info.nb_connected_items_per_item = vtk_reader.cellNbNodes();
375 cell_connected_node_family_info.connected_items_uids = vtk_reader.cellNodes();
376 // Cell to faces connectivity
377 auto& cell_connected_face_family_info = cell_family_info.connected_family_info[cell_connected_family_index++];
378 cell_connected_face_family_info.name = face_family_info.name;
379 cell_connected_face_family_info.item_kind = face_family_info.item_kind;
380 cell_connected_face_family_info.connectivity_name = "CellToFaces";
381 cell_connected_face_family_info.nb_connected_items_per_item = vtk_reader.cellNbFaces();
382 cell_connected_face_family_info.connected_items_uids = vtk_reader.cellFaces();
383 // Cell to edges connectivity
384 auto& cell_connected_edge_family_info = cell_family_info.connected_family_info[cell_connected_family_index++];
385 cell_connected_edge_family_info.name = edge_family_info.name;
386 cell_connected_edge_family_info.item_kind = edge_family_info.item_kind;
387 cell_connected_edge_family_info.connectivity_name = "CellToEdges";
388 cell_connected_edge_family_info.nb_connected_items_per_item = vtk_reader.cellNbEdges();
389 cell_connected_edge_family_info.connected_items_uids = vtk_reader.cellEdges();
390 // Face to cells connectivity
391 auto face_connected_family_index = 0;
392 auto& face_connected_cell_family_info = face_family_info.connected_family_info[face_connected_family_index++];
393 face_connected_cell_family_info.name = cell_family_info.name;
394 face_connected_cell_family_info.item_kind = cell_family_info.item_kind;
395 face_connected_cell_family_info.connectivity_name = "FaceToCells";
396 face_connected_cell_family_info.nb_connected_items_per_item = vtk_reader.faceNbCells();
397 face_connected_cell_family_info.connected_items_uids = vtk_reader.faceCells();
398 // Face to nodes connectivity
399 auto& face_connected_node_family_info = face_family_info.connected_family_info[face_connected_family_index++];
400 face_connected_node_family_info.name = node_family_info.name;
401 face_connected_node_family_info.item_kind = node_family_info.item_kind;
402 face_connected_node_family_info.connectivity_name = "FaceToNodes";
403 face_connected_node_family_info.nb_connected_items_per_item = vtk_reader.faceNbNodes();
404 face_connected_node_family_info.connected_items_uids = vtk_reader.faceNodes();
405 // Face to edges connectivity
406 auto& face_connected_edge_family_info = face_family_info.connected_family_info[face_connected_family_index];
407 face_connected_edge_family_info.name = edge_family_info.name;
408 face_connected_edge_family_info.item_kind = edge_family_info.item_kind;
409 face_connected_edge_family_info.connectivity_name = "FaceToEdges";
410 face_connected_edge_family_info.nb_connected_items_per_item = vtk_reader.faceNbEdges();
411 face_connected_edge_family_info.connected_items_uids = vtk_reader.faceEdges();
412 // Edge to cells connectivity
413 auto edge_connected_family_index = 0;
414 auto& edge_connected_cell_family_info = edge_family_info.connected_family_info[edge_connected_family_index++];
415 edge_connected_cell_family_info.name = cell_family_info.name;
416 edge_connected_cell_family_info.item_kind = cell_family_info.item_kind;
417 edge_connected_cell_family_info.connectivity_name = "EdgeToCells";
418 edge_connected_cell_family_info.nb_connected_items_per_item = vtk_reader.edgeNbCells();
419 edge_connected_cell_family_info.connected_items_uids = vtk_reader.edgeCells();
420 // Edge to faces connectivity
421 auto& edge_connected_face_family_info = edge_family_info.connected_family_info[edge_connected_family_index++];
422 edge_connected_face_family_info.name = face_family_info.name;
423 edge_connected_face_family_info.item_kind = face_family_info.item_kind;
424 edge_connected_face_family_info.connectivity_name = "EdgeToFaces";
425 edge_connected_face_family_info.nb_connected_items_per_item = vtk_reader.edgeNbFaces();
426 edge_connected_face_family_info.connected_items_uids = vtk_reader.edgeFaces();
427 // Edge to nodes connectivity
428 auto& edge_connected_node_family_info = edge_family_info.connected_family_info[edge_connected_family_index++];
429 edge_connected_node_family_info.name = node_family_info.name;
430 edge_connected_node_family_info.item_kind = node_family_info.item_kind;
431 edge_connected_node_family_info.connectivity_name = "EdgeToNodes";
432 edge_connected_node_family_info.nb_connected_items_per_item = vtk_reader.edgeNbNodes();
433 edge_connected_node_family_info.connected_items_uids = vtk_reader.edgeNodes();
434 // Node to cells connectivity
435 auto node_connected_family_index = 0;
436 auto& node_connected_cell_family_info = node_family_info.connected_family_info[node_connected_family_index++];
437 node_connected_cell_family_info.name = cell_family_info.name;
438 node_connected_cell_family_info.item_kind = cell_family_info.item_kind;
439 node_connected_cell_family_info.connectivity_name = "NodeToCells";
440 node_connected_cell_family_info.nb_connected_items_per_item = vtk_reader.nodeNbCells();
441 node_connected_cell_family_info.connected_items_uids = vtk_reader.nodeCells();
442 // Node to faces connectivity
443 auto& node_connected_face_family_info = node_family_info.connected_family_info[node_connected_family_index++];
444 node_connected_face_family_info.name = face_family_info.name;
445 node_connected_face_family_info.item_kind = face_family_info.item_kind;
446 node_connected_face_family_info.connectivity_name = "NodeToFaces";
447 node_connected_face_family_info.nb_connected_items_per_item = vtk_reader.nodeNbFaces();
448 node_connected_face_family_info.connected_items_uids = vtk_reader.nodeFaces();
449 // Node to edges connectivity
450 auto& node_connected_edge_family_info = node_family_info.connected_family_info[node_connected_family_index++];
451 node_connected_edge_family_info.name = edge_family_info.name;
452 node_connected_edge_family_info.item_kind = edge_family_info.item_kind;
453 node_connected_edge_family_info.connectivity_name = "NodeToEdges";
454 node_connected_edge_family_info.nb_connected_items_per_item = vtk_reader.nodeNbEdges();
455 node_connected_edge_family_info.connected_items_uids = vtk_reader.nodeEdges();
456 // Node coordinates
457 node_family_info.item_coordinates_variable_name = "NodeCoord";
458 node_family_info.item_coordinates = vtk_reader.nodeCoords();
459}
460
461/*---------------------------------------------------------------------------*/
462/*---------------------------------------------------------------------------*/
463
464void VtkPolyhedralMeshIOService::
465_readVariablesAndGroups(IPrimaryMesh* mesh, VtkReader& reader)
466{
467 // Register variable and group info in an xml for non reader ranks
468 OStringStream created_infos_str;
469 created_infos_str() << "<?xml version='1.0' ?>\n";
470 created_infos_str() << "<infos>";
471 // Cell data
472 if (auto* cell_data = reader.cellData(); cell_data) {
473 // Read cell groups and variables
474 Int32SharedArray vtk_to_arcane_lids(mesh->cellFamily()->nbItem());
475 std::iota(vtk_to_arcane_lids.begin(), vtk_to_arcane_lids.end(), 0);
476 Int32SharedArray arcane_to_vtk_lids{ vtk_to_arcane_lids };
477 for (auto array_index = 0; array_index < cell_data->GetNumberOfArrays(); ++array_index) {
478 auto* cell_array = cell_data->GetArray(array_index);
479 if (!cell_array)
480 continue;
481 if (String name = cell_array->GetName(); name.substring(0, 6) == "GROUP_") {
482 _createGroup(cell_array, name.substring(6), mesh, mesh->cellFamily(), vtk_to_arcane_lids.constSpan());
483 created_infos_str() << "<cell-group name='" << name.substring(6) << "'/>";
484 }
485 else {
486 auto var_info = _createVariable(cell_array, name, mesh, mesh->cellFamily(), arcane_to_vtk_lids);
487 created_infos_str() << "<cell-variable name='" << name << "' "
488 << " data-type='" << dataTypeName(var_info.m_type) << "' "
489 << " is_array='" << std::boolalpha << var_info.is_array << "'/>";
490 }
491 if (m_print_info_level.print_debug_info) {
492 debug(Trace::High) << "Reading property " << cell_array->GetName();
493 for (auto tuple_index = 0; tuple_index < cell_array->GetNumberOfTuples(); ++tuple_index) {
494 for (auto component_index = 0; component_index < cell_array->GetNumberOfComponents(); ++component_index) {
495 debug(Trace::High) << cell_array->GetName() << "[" << tuple_index << "][" << component_index << "] = " << cell_array->GetComponent(tuple_index, component_index);
496 }
497 }
498 }
499 }
500 }
501 // Node data
502 if (auto* point_data = reader.pointData(); point_data) {
503 // Read node groups and variables
504 Int32SharedArray vtk_to_arcane_lids(mesh->nodeFamily()->nbItem());
505 std::iota(vtk_to_arcane_lids.begin(), vtk_to_arcane_lids.end(), 0);
506 Int32SharedArray arcane_to_vtk_lids{ vtk_to_arcane_lids };
507 for (auto array_index = 0; array_index < point_data->GetNumberOfArrays(); ++array_index) {
508 auto* point_array = point_data->GetArray(array_index);
509 if (String name = point_array->GetName(); name.substring(0, 6) == "GROUP_") {
510 _createGroup(point_array, name.substring(6), mesh, mesh->nodeFamily(), vtk_to_arcane_lids.constSpan());
511 created_infos_str() << "<node-group name='" << name.substring(6) << "'/>";
512 }
513 else {
514 auto var_info = _createVariable(point_array, name, mesh, mesh->nodeFamily(), arcane_to_vtk_lids);
515 created_infos_str() << "<node-variable name='" << name << "' "
516 << " data-type='" << dataTypeName(var_info.m_type) << "' "
517 << " is_array='" << std::boolalpha << var_info.is_array << "'/>";
518 }
519 if (m_print_info_level.print_debug_info) {
520 debug(Trace::High) << "Reading property " << point_array->GetName();
521 for (auto tuple_index = 0; tuple_index < point_array->GetNumberOfTuples(); ++tuple_index) {
522 for (auto component_index = 0; component_index < point_array->GetNumberOfComponents(); ++component_index) {
523 debug(Trace::High) << point_array->GetName() << "[" << tuple_index << "][" << component_index << "] = " << point_array->GetComponent(tuple_index, component_index);
524 }
525 }
526 }
527 }
528 }
529 // Face data
530 if (auto* face_data = reader.faceData(); face_data) {
531 // Read face groups and variables
532 Int32UniqueArray vtk_to_Arcane_lids(mesh->faceFamily()->nbItem());
533 Int32UniqueArray arcane_to_vtk_lids(mesh->faceFamily()->nbItem());
534 _computeFaceVtkArcaneLidConversion(vtk_to_Arcane_lids, arcane_to_vtk_lids, reader, mesh);
535 for (auto array_index = 0; array_index < face_data->GetNumberOfArrays(); ++array_index) {
536 auto* face_array = face_data->GetArray(array_index);
537 if (String name = face_array->GetName(); name.substring(0, 6) == "GROUP_") {
538 _createGroup(face_array, name.substring(6), mesh, mesh->faceFamily(), vtk_to_Arcane_lids);
539 created_infos_str() << "<face-group name='" << name << "'/>";
540 }
541 else {
542 auto var_info = _createVariable(face_array, name, mesh, mesh->faceFamily(), arcane_to_vtk_lids);
543 created_infos_str() << "<face-variable name='" << name << "' "
544 << " data-type='" << dataTypeName(var_info.m_type) << "' "
545 << " is_array='" << std::boolalpha << var_info.is_array << "'/>";
546 }
547 if (m_print_info_level.print_debug_info) {
548 debug(Trace::High) << "Reading property " << face_array->GetName();
549 for (auto tuple_index = 0; tuple_index < face_array->GetNumberOfTuples(); ++tuple_index) {
550 for (auto component_index = 0; component_index < face_array->GetNumberOfComponents(); ++component_index) {
551 debug(Trace::High) << face_array->GetName() << "[" << tuple_index << "][" << component_index << "] = " << face_array->GetComponent(tuple_index, component_index);
552 }
553 }
554 }
555 }
556 }
557 created_infos_str() << "</infos>";
558 // Create empty group and variables in non reader subdomain
559 ByteUniqueArray bytes;
560 auto* pm = mesh->parallelMng();
561 if (!reader.isEmpty() && pm->isMasterIO()) {
562 String str = created_infos_str.str();
563 ByteConstArrayView bv = str.utf8();
564 Integer len = bv.size();
565 bytes.resize(len + 1);
566 bytes.copy(bv);
567 }
568 pm->broadcastMemoryBuffer(bytes, pm->masterIORank());
569 if (reader.isEmpty()) {
570 std::unique_ptr<IXmlDocumentHolder> doc(IXmlDocumentHolder::loadFromBuffer(bytes, "InternalBuffer", traceMng()));
571 XmlNode doc_node = doc->documentNode();
572 _createEmptyVariablesAndGroups(mesh,doc_node);
573
574 }
575}
576
577/*---------------------------------------------------------------------------*/
578/*---------------------------------------------------------------------------*/
579
580void VtkPolyhedralMeshIOService::
581_createGroup(vtkDataArray* group_items, const String& group_name, IPrimaryMesh* mesh, IItemFamily* item_family, Int32ConstSpan vtkToArcaneLid) const
582{
583 ARCANE_CHECK_POINTER(group_items);
584 ARCANE_CHECK_POINTER(mesh);
585 ARCANE_CHECK_POINTER(item_family);
586 if (group_items->GetNumberOfComponents() != 1)
587 fatal() << String::format("Cannot create item group {0}. Group information in data property must be a scalar", group_name);
588 debug() << "Create group " << group_name;
589 Int32UniqueArray arcane_lids;
590 arcane_lids.reserve((int)group_items->GetNumberOfValues());
591 using GroupDispatcher = vtkArrayDispatch::DispatchByValueType<vtkArrayDispatch::Integrals>;
592 auto group_creator = [&arcane_lids, &vtkToArcaneLid](auto* array) {
593 vtkIdType numTuples = array->GetNumberOfTuples();
594 vtkDataArrayAccessor<std::remove_pointer_t<decltype(array)>> array_accessor{ array };
595 auto local_id = 0;
596 for (vtkIdType tupleIdx = 0; tupleIdx < numTuples; ++tupleIdx) {
597 auto value = array_accessor.Get(tupleIdx, 0);
598 if (value)
599 arcane_lids.push_back(vtkToArcaneLid[local_id]);
600 ++local_id;
601 }
602 };
603 if (!GroupDispatcher::Execute(group_items, group_creator))
604 ARCANE_FATAL("Cannot create item group {0}. Group information in data property must be an integral type", group_name);
605 debug() << " local ids for item group " << group_name << " " << arcane_lids; // to remove
606 item_family->createGroup(group_name, arcane_lids);
607}
608
609/*---------------------------------------------------------------------------*/
610/*---------------------------------------------------------------------------*/
611
612template <typename vtkType>
613struct ToArcaneType
614{
615 using type = vtkType;
616};
617
618template <>
619struct ToArcaneType<float>
620{
621 using type = Real;
622};
623
624template <>
625struct ToArcaneType<long long>
626{
627 using type = Int64;
628};
629
630template <typename T> using to_arcane_type_t = typename ToArcaneType<T>::type;
631/*---------------------------------------------------------------------------*/
632
633VtkPolyhedralMeshIOService::VariableInfo VtkPolyhedralMeshIOService::
634_createVariable(vtkDataArray* item_values, const String& variable_name, IMesh* mesh, IItemFamily* item_family, Int32ConstSpan arcane_to_vtk_lids) const
635{
636 ARCANE_CHECK_POINTER(item_values);
637 ARCANE_CHECK_POINTER(mesh);
638 ARCANE_CHECK_POINTER(item_family);
639 if (item_values->GetNumberOfTuples() != item_family->nbItem())
640 ARCANE_FATAL("Cannot create variable {0}, {1} values are given for {2} items in {3} family",
641 variable_name, item_values->GetNumberOfTuples(), item_family->nbItem(), item_family->name());
642 debug() << "Create mesh variable " << variable_name;
643 VariableInfo var_info;
644 auto variable_creator = [mesh, variable_name, item_family, arcane_to_vtk_lids, this, &var_info](auto* values) {
645 VariableBuildInfo vbi{ mesh, variable_name };
646 using ValueType = typename std::remove_pointer_t<decltype(values)>::ValueType;
647 auto* var = new ItemVariableScalarRefT<to_arcane_type_t<ValueType>>{ vbi, item_family->itemKind() };
648 mesh->variableMng()->_internalApi()->addAutoDestroyVariable(var);
649 vtkDataArrayAccessor<std::remove_pointer_t<decltype(values)>> values_accessor{ values };
650 ENUMERATE_ITEM (item, item_family->allItems()) {
651 (*var)[item] = (to_arcane_type_t<ValueType>)values_accessor.Get(arcane_to_vtk_lids[item.localId()], 0);
652 }
653 var_info.m_type = DataTypeTraitsT<to_arcane_type_t<ValueType>>::type();
654 var_info.is_array = false;
655 };
656 auto array_variable_creator = [mesh, variable_name, item_family, arcane_to_vtk_lids, this, &var_info](auto* values) {
657 VariableBuildInfo vbi{ mesh, variable_name };
658 using ValueType = typename std::remove_pointer_t<decltype(values)>::ValueType;
659 auto* var = new ItemVariableArrayRefT<to_arcane_type_t<ValueType>>{ vbi, item_family->itemKind() };
660 mesh->variableMng()->_internalApi()->addAutoDestroyVariable(var);
661 vtkDataArrayAccessor<std::remove_pointer_t<decltype(values)>> values_accessor{ values };
662 var->resize(values->GetNumberOfComponents());
663 ENUMERATE_ITEM (item, item_family->allItems()) {
664 auto index = 0;
665 for (auto& var_value : (*var)[item]) {
666 var_value = (to_arcane_type_t<ValueType>)values_accessor.Get(arcane_to_vtk_lids[item.localId()], index++);
667 }
668 }
669 var_info.m_type = DataTypeTraitsT<to_arcane_type_t<ValueType>>::type();
670 var_info.is_array = true;
671 };
672 // Restrict to int and real values
673 using ValueTypes = vtkTypeList_Create_6(double, float, int, long, long long, short);
674 using ArrayDispatcher = vtkArrayDispatch::DispatchByValueType<ValueTypes>;
675 // Create ScalarVariable
676 bool is_variable_created = false;
677 if (item_values->GetNumberOfComponents() == 1) {
678 is_variable_created = ArrayDispatcher::Execute(item_values, variable_creator);
679 }
680 // Create ArrayVariable
681 else { // ArrayVariable
682 is_variable_created = ArrayDispatcher::Execute(item_values, array_variable_creator);
683 }
684 if (!is_variable_created)
685 ARCANE_FATAL("Cannot create variable {0}, it's data type is not supported. Only real and integral types are supported", variable_name);
686 return var_info;
687}
688
689/*---------------------------------------------------------------------------*/
690/*---------------------------------------------------------------------------*/
691
692void VtkPolyhedralMeshIOService::
693_computeFaceVtkArcaneLidConversion(Int32Span face_vtk_to_arcane_lids, Int32Span arcane_to_vtk_lids, VtkPolyhedralMeshIOService::VtkReader& reader, IPrimaryMesh* mesh) const
694{
695 auto face_nodes_unique_ids = reader.faceNodesInFaceMesh();
696 auto face_nb_nodes = reader.faceNbNodesInFaceMesh();
697 auto current_face_index = 0;
698 auto current_face_index_in_face_nodes = 0;
699 Int32UniqueArray face_nodes_local_ids(face_nodes_unique_ids.size());
700 mesh->nodeFamily()->itemsUniqueIdToLocalId(face_nodes_local_ids, face_nodes_unique_ids);
701 for (auto current_face_nb_node : face_nb_nodes) {
702 auto current_face_nodes = face_nodes_local_ids.subConstView(current_face_index_in_face_nodes, current_face_nb_node);
703 current_face_index_in_face_nodes += current_face_nb_node;
704 Node face_first_node{ mesh->nodeFamily()->view()[current_face_nodes[0]] };
705 face_vtk_to_arcane_lids[current_face_index] = MeshUtils::getFaceFromNodesLocalId(face_first_node, current_face_nodes).localId();
706 ++current_face_index;
707 }
708 auto vtk_lid = 0;
709 for (auto arcane_lid : face_vtk_to_arcane_lids) {
710 arcane_to_vtk_lids[arcane_lid] = vtk_lid;
711 ++vtk_lid;
712 }
713}
714
715/*---------------------------------------------------------------------------*/
716/*---------------------------------------------------------------------------*/
717
718template <template <class> class VariableRootType>
719VariableRef* _createVar(IMesh* mesh, const String& var_name, const String& var_data_type_name, eItemKind var_kind)
720{
721 bool has_error = false;
722 eDataType var_data_type = dataTypeFromName(var_data_type_name.localstr(),has_error);
723 if (has_error) {
724 ARCANE_FATAL("Invalid data type name {0} for Variable creation in VtkPolyhedralMeshIOService");
725 }
726 switch (var_data_type){
727 case DT_Int32:
728 return new VariableRootType<Int32>{VariableBuildInfo{mesh,var_name},var_kind};
729 break;
730 case DT_Int64:
731 return new VariableRootType<Int64>{VariableBuildInfo{mesh,var_name},var_kind};
732 break;
733 case DT_Real:
734 return new VariableRootType<Real>{VariableBuildInfo{mesh,var_name},var_kind};
735 break;
736 default :
737 ARCANE_FATAL("Handle only DT_Int32, DT_Int64, DT_Real in VtkPolyhedralMeshIOService");
738 }
739}
740
741/*---------------------------------------------------------------------------*/
742/*---------------------------------------------------------------------------*/
743
744template <template <class> class VariableRootType , template <class> class ArrayVariableRootType>
745void VtkPolyhedralMeshIOService::
746_createEmptyVariables(IMesh* mesh, const XmlNodeList& item_variables_node, eItemKind item_kind) const
747{
748 ARCANE_CHECK_PTR(mesh);
749 {
750 for (XmlNode xnode : item_variables_node) {
751 String name = xnode.attrValue("name");
752 debug() << "Create mesh variable: " << name;
753 String data_type_name = xnode.attrValue("data-type");
754 bool is_array = xnode.attrValue("is_array") == "true";
755 VariableRef* var = nullptr;
756 if (is_array) {
757 var = _createVar<ArrayVariableRootType>(mesh,name,data_type_name,item_kind);
758 }
759 else {
760 var = _createVar<VariableRootType>(mesh,name, data_type_name,item_kind);
761 }
762 mesh->variableMng()->_internalApi()->addAutoDestroyVariable(var);
763 }
764 }
765}
766
767/*---------------------------------------------------------------------------*/
768/*---------------------------------------------------------------------------*/
769
770void VtkPolyhedralMeshIOService::
771_createEmptyGroups(IMesh* mesh, const XmlNodeList& groups_node, IItemFamily* item_family) const
772{
773 for (XmlNode xnode : groups_node) {
774 String name = xnode.attrValue("name");
775 info() << "Building group: " << name;
776 item_family->createGroup(name);
777 }
778}
779
780
781
782/*---------------------------------------------------------------------------*/
783/*---------------------------------------------------------------------------*/
784
785void VtkPolyhedralMeshIOService::
786_createEmptyVariablesAndGroups(IMesh* mesh, XmlNode::const_reference variable_and_group_info) const
787{
788 ARCANE_CHECK_PTR(mesh);
789 auto document_node = variable_and_group_info.documentElement();
790 _createEmptyVariables<ItemVariableScalarRefT,ItemVariableArrayRefT>(mesh, document_node.children("cell-variable"), IK_Cell);
791 _createEmptyVariables<ItemVariableScalarRefT,ItemVariableArrayRefT>(mesh, document_node.children("node-variable"), IK_Node);
792 _createEmptyVariables<ItemVariableScalarRefT,ItemVariableArrayRefT>(mesh, document_node.children("face-variable"), IK_Face);
793
794 _createEmptyGroups(mesh, document_node.children("cell-group"), mesh->itemFamily(IK_Cell));
795 _createEmptyGroups(mesh, document_node.children("node-group"), mesh->itemFamily(IK_Node));
796 _createEmptyGroups(mesh, document_node.children("face-group"), mesh->itemFamily(IK_Face));
797}
798
799/*---------------------------------------------------------------------------*/
800/*---------------------------------------------------------------------------*/
801
802VtkPolyhedralMeshIOService::VtkReader::
803VtkReader(const String& filename, VtkPolyhedralTools::PrintInfoLevel print_info_level)
804: m_filename{ filename }
805, m_print_info_level{ print_info_level }
806{
807 m_is_empty = false;
808 m_do_read = true;
809 if (filename.empty()) {
810 m_read_status.failure = true;
811 m_read_status.failure_message = "filename for polyhedral vtk mesh is empty.";
812 return;
813 }
814 if (filename.endsWith("vtk"))
815 _readPlainTextVtkGrid(filename);
816 else if (filename.endsWith("vtu"))
817 _readXlmVtkGrid(filename);
818 else {
819 m_read_status.failure = true;
820 m_read_status.failure_message = String::format("Unsupported vtk extension for file {0}. Supported vtk extension for Polyhedral meshes are {1}",
821 filename,VtkReader::supportedVtkExtensions());
822 }
823 // Check vtk grid exists and not empty
824 if (!m_vtk_grid) {
825 m_read_status.failure = true;
826 m_read_status.failure_message = String::format("Cannot read vtk polyhedral file {0}. Vtk grid was not created.", filename);
827 return;
828 }
829 if (m_vtk_grid->GetNumberOfCells() == 0) {
830 m_read_status.failure = true;
831 m_read_status.failure_message = String::format("Cannot read vtk polyhedral file {0}. No cells were found.", filename);
832 return;
833 }
834 if (!m_vtk_grid->GetFaces()) {
835 m_read_status.failure = true;
836 m_read_status.failure_message = String::format("The given mesh vtk file {0} is not a polyhedral mesh, cannot read it", filename);
837 return;
838 }
839
840 m_cell_data = m_vtk_grid->GetCellData();
841 m_point_data = m_vtk_grid->GetPointData();
842
843 // Read face info (for variables and groups) if present
844 String faces_filename = m_filename + "faces.vtk";
845 std::ifstream ifile(faces_filename.localstr());
846 if (ifile) {
847 _readPlainTextVtkFaceGrid(faces_filename);
848 }
849 else{
850 faces_filename = m_filename + "faces.vtp";
851 ifile = std::ifstream{ faces_filename.localstr() };
852 if (ifile) {
853 _readXmlVtkFaceGrid(faces_filename);
854 }
855 }
856
857 StringUniqueArray faces_filename_and_extension;
858 faces_filename.split(faces_filename_and_extension,'.');
859
860 if (!ifile){
861 m_read_status.info_message = String::format("Information no face mesh given {0}{1} (.vtk or .vtp) to define face variables or groups on faces.",
862 faces_filename_and_extension[0],
863 faces_filename_and_extension[1]);
864 }
865 else {
866 if (m_vtk_face_grid) { // Check face vtk grid exists and not empty
867 if (m_vtk_face_grid->GetNumberOfCells() == 0) {
868 m_read_status.failure = true;
869 m_read_status.failure_message = m_read_status.failure_message + String::format(" Error in reading face information for groups in mesh file {0} ", faces_filename);
870 }
871 else {
872 m_face_data = m_vtk_face_grid->GetCellData();
873 m_poly_data = m_vtk_face_grid->GetPolys();
874 }
875 }
876 else{
877 m_read_status.failure = true;
878 m_read_status.failure_message = m_read_status.failure_message + String::format("Face data could not be built from file {0}{1} (.vtk or .vtu).",
879 faces_filename_and_extension[0],
880 faces_filename_and_extension[1]);
881 }
882 }
883
884 if (m_print_info_level.print_mesh_info)
885 _printMeshInfos();
886}
887
888/*---------------------------------------------------------------------------*/
889/*---------------------------------------------------------------------------*/
890
891Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
892cellUids()
893{
894 if (!doRead()) return m_cell_uids;
895 if (m_cell_uids.empty()) {
896 _checkVtkGrid();
897 m_cell_uids.reserve(m_vtk_grid->GetNumberOfCells());
898 m_cell_nb_nodes.reserve(m_vtk_grid->GetNumberOfCells());
899 m_cell_node_uids.reserve(10 * m_vtk_grid->GetNumberOfCells()); // take a mean of 10 nodes per cell
900 auto* cell_iter = m_vtk_grid->NewCellIterator();
901 cell_iter->InitTraversal();
902 while (!cell_iter->IsDoneWithTraversal()) {
903 m_cell_uids.push_back(cell_iter->GetCellId());
904 m_cell_nb_nodes.push_back(Integer(cell_iter->GetNumberOfPoints()));
905 ArrayView<vtkIdType> cell_nodes{ Integer(cell_iter->GetNumberOfPoints()), cell_iter->GetPointIds()->GetPointer(0) };
906 std::for_each(cell_nodes.begin(), cell_nodes.end(), [this](auto uid) { this->m_cell_node_uids.push_back(uid); });
907 cell_iter->GoToNextCell();
908 }
909 }
910 return m_cell_uids;
911}
912
913/*---------------------------------------------------------------------------*/
914/*---------------------------------------------------------------------------*/
915
916Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
917nodeUids()
918{
919 if (!doRead()) return m_node_uids;
920 if (m_node_uids.empty()) {
921 _checkVtkGrid();
922 auto nb_nodes = m_vtk_grid->GetNumberOfPoints();
923 m_node_uids.resize(nb_nodes);
924 m_node_nb_cells.resize(nb_nodes);
925 m_node_cell_uids.reserve(8 * nb_nodes);
926 m_node_uid_to_index.resize(nb_nodes);
927 for (int node_index = 0; node_index < nb_nodes; ++node_index) {
928 Int64 node_uid = node_index;
929 m_node_uids[node_index] = node_uid;
930 auto cell_nodes = vtkIdList::New();
931 m_vtk_grid->GetPointCells(node_index, cell_nodes);
932 Int64Span cell_nodes_view((Int64*)cell_nodes->GetPointer(0), cell_nodes->GetNumberOfIds());
933 m_node_cell_uids.addRange(cell_nodes_view);
934 m_node_nb_cells[node_index] = (Int32)cell_nodes->GetNumberOfIds();
935 // uid and index might differ in the future (ex parallel read).
936 // This structure is created to be used in faceUids. Should be a map if node_uid is no longer the node index
937 m_node_uid_to_index[node_uid] = node_index;
938 }
939 }
940 return m_node_uids;
941}
942
943/*---------------------------------------------------------------------------*/
944/*---------------------------------------------------------------------------*/
945
946Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
947faceUids()
948{
949 // Needs nodeUids to be called first (no work done if already called)
950 nodeUids();
951
952 if (!doRead()) return m_face_uids;
953 if (!m_face_uids.empty())
954 return m_face_uids;
955 _checkVtkGrid();
956 auto* cell_iter = m_vtk_grid->NewCellIterator();
957 cell_iter->InitTraversal();
958 vtkIdType nb_face_estimation = 0;
959 while (!cell_iter->IsDoneWithTraversal()) {
960 vtkIdType cell_nb_faces = 0;
961 vtkIdType_generic * points{ nullptr };
962 m_vtk_grid->GetFaceStream(cell_iter->GetCellId(), cell_nb_faces, points);
963 nb_face_estimation += cell_nb_faces;
964 cell_iter->GoToNextCell();
965 }
966 m_face_uids.reserve(nb_face_estimation);
967 auto const* faces = m_vtk_grid->GetFaces();
968 // This array contains the face info per cells (cf. vtk file)
969 // first_cell_nb_faces first_cell_first_face_nb_nodes first_cell_first_face_node_1 ... first_cell_first_face_node_n first_cell_second_face_nb_nodes etc
970
971 if (!faces) {
972 ARCANE_FATAL("Mesh {0} is not polyhedral: faces are not defined", m_filename);
973 }
974 Int64 face_uid = 0;
975 auto face_info_size = faces->GetNumberOfValues();
976 m_face_node_uids.reserve(face_info_size);
977 m_face_nb_nodes.reserve(nb_face_estimation);
978 m_face_cell_uids.reserve(2 * nb_face_estimation);
979 m_face_nb_cells.reserve(nb_face_estimation);
980 m_cell_face_uids.reserve(8 * m_cell_uids.size()); // take a mean of 8 faces per cell
981 m_cell_nb_faces.resize(m_cell_uids.size(), 0);
982 m_cell_face_indexes.resize(m_cell_uids.size(), -1);
983 m_face_uid_indexes.resize(2 * nb_face_estimation, -1);
984 Int64UniqueArray current_face_nodes, sorted_current_face_nodes;
985 current_face_nodes.reserve(10);
986 sorted_current_face_nodes.reserve(10);
987 UniqueArray<UniqueArray<Int64>> node_faces(m_node_uids.size());
988 UniqueArray<Int32> face_offsets;
989 face_offsets.reserve(nb_face_estimation);
990 face_offsets.push_back(0);
991 FaceUidToIndexMap face_uid_to_index;
992 face_uid_to_index.reserve(nb_face_estimation);
993 auto cell_index = 0;
994 auto cell_face_index = 0;
995 auto global_face_index = 0;
996 auto face_uid_index = 0;
997 for (int face_info_index = 0; face_info_index < face_info_size; cell_index++) { // face data are given by cell
998 auto current_cell_nb_faces = Int32(faces->GetValue(face_info_index++));
999 m_cell_face_indexes[m_cell_uids[cell_index]] = cell_face_index;
1000 for (auto face_index = 0; face_index < current_cell_nb_faces; ++face_index, ++global_face_index) {
1001 auto current_face_nb_nodes = Int32(faces->GetValue(face_info_index++));
1002 m_cell_nb_faces[m_cell_uids[cell_index]] += 1;
1003 for (int node_index = 0; node_index < current_face_nb_nodes; ++node_index) {
1004 current_face_nodes.push_back(faces->GetValue(face_info_index++));
1005 }
1006 sorted_current_face_nodes.resize(current_face_nodes.size());
1007 auto is_front_cell = mesh_utils::reorderNodesOfFace(current_face_nodes, sorted_current_face_nodes);
1008 auto [is_face_found, existing_face_index] = _findFace(sorted_current_face_nodes, node_faces,
1009 m_node_uid_to_index, m_face_nb_nodes,
1010 face_uid_to_index, face_offsets, m_face_node_uids);
1011 if (!is_face_found) {
1012 for (auto node_uid : current_face_nodes) {
1013 node_faces[m_node_uid_to_index[node_uid]].push_back(face_uid);
1014 }
1015 m_cell_face_uids.push_back(face_uid);
1016 m_face_uids.push_back(face_uid); // todo parallel
1017 m_face_nb_nodes.push_back(current_face_nb_nodes);
1018 m_face_node_uids.addRange(sorted_current_face_nodes);
1019 m_face_nb_cells.push_back(1);
1020 m_face_uid_indexes[global_face_index] = face_uid_index;
1021 face_uid_to_index.push_back(face_uid_index);
1022 auto previous_offset = face_offsets.back();
1023 face_offsets.push_back(previous_offset + sorted_current_face_nodes.size());
1024 ++face_uid;
1025 ++face_uid_index;
1026 if (is_front_cell) {
1027 m_face_cell_uids.push_back(NULL_ITEM_UNIQUE_ID);
1028 m_face_cell_uids.push_back(m_cell_uids[cell_index]);
1029 }
1030 else {
1031 m_face_cell_uids.push_back(m_cell_uids[cell_index]);
1032 m_face_cell_uids.push_back(NULL_ITEM_UNIQUE_ID);
1033 }
1034 }
1035 else {
1036 m_cell_face_uids.push_back(m_face_uids[existing_face_index]);
1037 m_face_nb_cells[existing_face_index] += 1;
1038 m_face_uid_indexes[global_face_index] = existing_face_index;
1039 // add cell to face cell connectivity
1040 if (is_front_cell) {
1041 if (m_face_cell_uids[2 * existing_face_index + 1] != NULL_ITEM_UNIQUE_ID) {
1042 ARCANE_FATAL("Problem in face orientation, face uid {0}, nodes {1}, same orientation in cell {2} and {3}. Change mesh file.",
1043 m_face_uids[existing_face_index],
1044 current_face_nodes,
1045 m_face_cell_uids[2 * existing_face_index + 1],
1046 m_cell_uids[cell_index]);
1047 }
1048 m_face_cell_uids[2 * existing_face_index + 1] = m_cell_uids[cell_index];
1049 }
1050 else {
1051 if (m_face_cell_uids[2 * existing_face_index] != NULL_ITEM_UNIQUE_ID) {
1052 ARCANE_FATAL("Problem in face orientation, face uid {0}, nodes {1}, same orientation in cell {2} and {3}. Change mesh file.",
1053 m_face_uids[existing_face_index],
1054 current_face_nodes,
1055 m_face_cell_uids[2 * existing_face_index],
1056 m_cell_uids[cell_index]);
1057 }
1058 m_face_cell_uids[2 * existing_face_index] = m_cell_uids[cell_index];
1059 }
1060 }
1061 current_face_nodes.clear();
1062 sorted_current_face_nodes.clear();
1063 }
1064 cell_face_index += m_cell_nb_faces[m_cell_uids[cell_index]];
1065 }
1066 // fill node_face_uids and node_nb_faces from node_faces (array form [nb_nodes][nb_connected_faces])
1067 m_node_nb_faces.resize(m_node_uids.size(), 0);
1068 _flattenConnectivity(node_faces.constSpan(), m_node_nb_faces, m_node_face_uids);
1069
1070 if (m_print_info_level.print_debug_info) {
1071 std::cout << "================FACE NODES ==============" << std::endl;
1072 std::copy(m_face_node_uids.begin(), m_face_node_uids.end(), std::ostream_iterator<Int64>(std::cout, " "));
1073 std::cout << std::endl;
1074 std::copy(m_face_nb_nodes.begin(), m_face_nb_nodes.end(), std::ostream_iterator<Int64>(std::cout, " "));
1075 std::cout << std::endl;
1076 std::copy(m_cell_face_indexes.begin(), m_cell_face_indexes.end(), std::ostream_iterator<Int64>(std::cout, " "));
1077 std::cout << std::endl;
1078 }
1079
1080 return m_face_uids;
1081}
1082
1083/*---------------------------------------------------------------------------*/
1084/*---------------------------------------------------------------------------*/
1085
1086Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1087edgeUids()
1088{
1089 if (!doRead()) return m_edge_uids;
1090 if (!m_edge_uids.empty())
1091 return m_edge_uids;
1092
1093 nodeUids(); // Needed to be called first. No work done if already called
1094
1095 _checkVtkGrid();
1096 m_edge_uids.reserve(2 * m_vtk_grid->GetNumberOfPoints());
1097 auto const* faces = m_vtk_grid->GetFaces();
1098 // This array contains the face info per cells (cf. vtk file)
1099 // first_cell_nb_faces first_cell_first_face_nb_nodes first_cell_first_face_node_1 ... first_cell_first_face_node_n first_cell_second_face_nb_nodes etc
1100
1101 if (!faces) {
1102 ARCANE_FATAL("Mesh {0} is not polyhedral: faces are not defined", m_filename);
1103 }
1104 Int64 edge_uid = 0;
1105 auto nb_edge_estimation = 2 * m_edge_uids.capacity();
1106 m_edge_node_uids.reserve(nb_edge_estimation);
1107 auto face_info_size = faces->GetNumberOfValues();
1108 auto cell_index = 0;
1109 auto global_face_index = 0;
1110 auto new_edge_index = 0;
1111 UniqueArray<std::set<Int64>> edge_cells;
1112 UniqueArray<Int64UniqueArray> edge_faces;
1113 edge_cells.reserve(m_edge_uids.capacity());
1114 edge_faces.reserve(m_edge_uids.capacity());
1115 m_cell_nb_edges.resize(m_cell_uids.size(), 0);
1116 m_cell_edge_uids.reserve(20 * m_cell_uids.size()); // choose a value of 20 edge per cell
1117 UniqueArray<std::set<Int64>> face_edges;
1118 face_edges.resize(m_face_uids.size());
1119 UniqueArray<std::set<Int64>> cell_edges;
1120 cell_edges.resize(m_cell_uids.size());
1121 UniqueArray<Int64UniqueArray> node_edges;
1122 node_edges.resize(m_node_uids.size());
1123 EdgeUidToIndexMap edge_uid_to_index;
1124 edge_uid_to_index.reserve(nb_edge_estimation);
1125 Int32UniqueArray edge_offsets;
1126 edge_offsets.reserve(nb_edge_estimation);
1127 edge_offsets.push_back(0);
1128 m_edge_nb_nodes.reserve(nb_edge_estimation);
1129 for (int face_info_index = 0; face_info_index < face_info_size; ++cell_index) {
1130 auto current_cell_nb_faces = Int32(faces->GetValue(face_info_index++));
1131 for (auto face_index = 0; face_index < current_cell_nb_faces; ++face_index, ++global_face_index) {
1132 auto current_face_nb_nodes = Int32(faces->GetValue(face_info_index++));
1133 auto first_face_node_uid = Int32(faces->GetValue(face_info_index));
1134 UniqueArray<Int64> current_edge(2), sorted_edge(2);
1135 for (int node_index = 0; node_index < current_face_nb_nodes - 1; ++node_index) {
1136 current_edge = UniqueArray<Int64>{ faces->GetValue(face_info_index++), faces->GetValue(face_info_index) };
1137 mesh_utils::reorderNodesOfFace(current_edge, sorted_edge); // works for edges
1138 auto [is_edge_found, existing_edge_index] = _findFace(sorted_edge, node_edges,
1139 m_node_uid_to_index,
1140 m_edge_nb_nodes,
1141 edge_uid_to_index, edge_offsets, m_edge_node_uids); // works for edges
1142 if (!is_edge_found) {
1143 m_cell_nb_edges[cell_index] += 1;
1144 face_edges[m_face_uid_indexes[global_face_index]].insert(edge_uid);
1145 cell_edges[cell_index].insert(edge_uid);
1146 for (auto node : current_edge) {
1147 node_edges[node].push_back(edge_uid);
1148 }
1149 edge_cells.push_back(std::set{ m_cell_uids[cell_index] });
1150 edge_faces.push_back(Int64UniqueArray{ m_cell_face_uids[m_cell_face_indexes[cell_index] + face_index] });
1151 m_edge_uids.push_back(edge_uid++); // todo parallel
1152 m_edge_node_uids.addRange(sorted_edge);
1153 edge_uid_to_index.push_back(new_edge_index);
1154 auto current_offset = edge_offsets.back();
1155 edge_offsets.push_back(current_offset + 2);
1156 m_edge_nb_nodes.push_back(2);
1157 ++new_edge_index;
1158 }
1159 else {
1160 edge_cells[existing_edge_index].insert(m_cell_uids[cell_index]);
1161 edge_faces[existing_edge_index].push_back(m_cell_face_uids[m_cell_face_indexes[cell_index] + face_index]);
1162 face_edges[m_face_uid_indexes[global_face_index]].insert(m_edge_uids[existing_edge_index]);
1163 cell_edges[cell_index].insert(m_edge_uids[existing_edge_index]);
1164 }
1165 }
1166 current_edge = UniqueArray<Int64>{ faces->GetValue(face_info_index++), first_face_node_uid };
1167 mesh_utils::reorderNodesOfFace(current_edge, sorted_edge); // works for edges
1168 auto [is_edge_found, existing_edge_index] = _findFace(sorted_edge, node_edges,
1169 m_node_uid_to_index,
1170 m_edge_nb_nodes,
1171 edge_uid_to_index, edge_offsets, m_edge_node_uids); // works for edges
1172 if (!is_edge_found) {
1173 m_cell_nb_edges[cell_index] += 1;
1174 edge_cells.push_back(std::set{ m_cell_uids[cell_index] });
1175 edge_faces.push_back(Int64UniqueArray{ m_cell_face_uids[m_cell_face_indexes[cell_index] + face_index] });
1176 face_edges[m_face_uid_indexes[global_face_index]].insert(edge_uid);
1177 cell_edges[cell_index].insert(edge_uid);
1178 for (auto node : current_edge) {
1179 node_edges[node].push_back(edge_uid);
1180 }
1181 m_edge_uids.push_back(edge_uid++); // todo parallel
1182 m_edge_node_uids.addRange(sorted_edge);
1183 edge_uid_to_index.push_back(new_edge_index);
1184 auto current_offset = edge_offsets.back();
1185 edge_offsets.push_back(current_offset + 2);
1186 m_edge_nb_nodes.push_back(2);
1187 ++new_edge_index;
1188 }
1189 else {
1190 edge_cells[existing_edge_index].insert(m_cell_uids[cell_index]);
1191 edge_faces[existing_edge_index].push_back(m_cell_face_uids[m_cell_face_indexes[cell_index] + face_index]);
1192 face_edges[m_face_uid_indexes[global_face_index]].insert(m_edge_uids[existing_edge_index]);
1193 cell_edges[cell_index].insert(m_edge_uids[existing_edge_index]);
1194 }
1195 }
1196 }
1197 // fill edge_cell_uids and edge_nb_cells from edge_cells (array form [nb_edges][nb_connected_cells])
1198 m_edge_nb_cells.resize(m_edge_uids.size(), 0);
1199 _flattenConnectivity(edge_cells.constSpan(), m_edge_nb_cells, m_edge_cell_uids);
1200
1201 // fill edge faces uids
1202 m_edge_nb_faces.resize(m_edge_uids.size(), 0);
1203 _flattenConnectivity(edge_faces.constSpan(), m_edge_nb_faces, m_edge_face_uids);
1204
1205 // fill face edge uids
1206 m_face_nb_edges.resize(m_face_uids.size(), 0);
1207 _flattenConnectivity(face_edges.constSpan(), m_face_nb_edges, m_face_edge_uids);
1208
1209 // fill cell edge uids
1210 m_cell_nb_edges.resize(m_cell_uids.size(), 0);
1211 _flattenConnectivity(cell_edges, m_cell_nb_edges, m_cell_edge_uids);
1212
1213 // fill node edge uids
1214 m_node_nb_edges.resize(m_node_uids.size(), 0);
1215 _flattenConnectivity(node_edges, m_node_nb_edges, m_node_edge_uids);
1216
1217 if (m_print_info_level.print_debug_info) {
1218 std::cout << "================EDGE NODES ==============" << std::endl;
1219 std::copy(m_edge_node_uids.begin(), m_edge_node_uids.end(), std::ostream_iterator<Int64>(std::cout, " "));
1220 std::cout << std::endl;
1221 std::cout << "================FACE EDGES ==============" << std::endl;
1222 std::copy(m_face_nb_edges.begin(), m_face_nb_edges.end(), std::ostream_iterator<Int32>(std::cout, " "));
1223 std::cout << std::endl;
1224 std::copy(m_face_edge_uids.begin(), m_face_edge_uids.end(), std::ostream_iterator<Int64>(std::cout, " "));
1225 std::cout << std::endl;
1226 std::cout << "================CELL EDGES ==============" << std::endl;
1227 std::copy(m_cell_nb_edges.begin(), m_cell_nb_edges.end(), std::ostream_iterator<Int32>(std::cout, " "));
1228 std::cout << std::endl;
1229 std::copy(m_cell_edge_uids.begin(), m_cell_edge_uids.end(), std::ostream_iterator<Int64>(std::cout, " "));
1230 std::cout << std::endl;
1231 }
1232 return m_edge_uids;
1233}
1234
1235/*---------------------------------------------------------------------------*/
1236/*---------------------------------------------------------------------------*/
1237
1238std::pair<bool, Int32> VtkPolyhedralMeshIOService::VtkReader::
1239_findFace(const Int64UniqueArray& sorted_face_nodes,
1240 const UniqueArray<Int64UniqueArray>& node_face_uids,
1241 const NodeUidToIndexMap& node_uid_to_index,
1242 const Int32UniqueArray& face_nb_nodes,
1243 const FaceUidToIndexMap& face_uid_to_index,
1244 const UniqueArray<Int32>& face_offsets,
1245 const Int64UniqueArray& face_node_uids)
1246{
1247 auto first_node_uid = sorted_face_nodes[0];
1248 auto first_node_index = node_uid_to_index[first_node_uid];
1249 // If the face already exists it has already been registered in node_face connectivity
1250 for (auto face_uid : node_face_uids[first_node_index]) {
1251 auto face_index = face_uid_to_index[face_uid];
1252 auto face_offset = face_offsets[face_index];
1253 auto face_nb_node = face_nb_nodes[face_index];
1254 if (face_nb_node == sorted_face_nodes.size()) {
1255 bool is_same_face = true;
1256 for (auto index = 0; index < face_nb_node; ++index) {
1257 if (sorted_face_nodes[index] != face_node_uids[face_offset + index]) {
1258 is_same_face = false;
1259 }
1260 }
1261 if (is_same_face)
1262 return { true, face_index };
1263 }
1264 }
1265 return { false, -1 };
1266}
1267
1268/*---------------------------------------------------------------------------*/
1269/*---------------------------------------------------------------------------*/
1270
1271Integer VtkPolyhedralMeshIOService::VtkReader::
1272nbNodes()
1273{
1274 if (m_node_uids.empty())
1275 nodeUids();
1276 return m_node_uids.size();
1277}
1278
1279/*---------------------------------------------------------------------------*/
1280/*---------------------------------------------------------------------------*/
1281
1282Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1283cellNodes()
1284{
1285 if (m_cell_node_uids.empty())
1286 cellUids();
1287 return m_cell_node_uids;
1288}
1289
1290/*---------------------------------------------------------------------------*/
1291/*---------------------------------------------------------------------------*/
1292
1293Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1294cellNbNodes()
1295{
1296 if (m_cell_nb_nodes.empty())
1297 cellUids();
1298 return m_cell_nb_nodes;
1299}
1300
1301/*---------------------------------------------------------------------------*/
1302/*---------------------------------------------------------------------------*/
1303
1304Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1305faceNodes()
1306{
1307 if (m_face_node_uids.empty())
1308 faceUids();
1309 return m_face_node_uids;
1310}
1311
1312/*---------------------------------------------------------------------------*/
1313/*---------------------------------------------------------------------------*/
1314
1315Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1316faceNbNodes()
1317{
1318 if (m_face_nb_nodes.empty())
1319 faceUids();
1320 return m_face_nb_nodes;
1321}
1322
1323/*---------------------------------------------------------------------------*/
1324/*---------------------------------------------------------------------------*/
1325
1326Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1327faceNodesInFaceMesh()
1328{
1329 if (m_face_node_uids_in_face_mesh.empty())
1330 _readfaceNodesInFaceMesh();
1331 return m_face_node_uids_in_face_mesh;
1332}
1333
1334/*---------------------------------------------------------------------------*/
1335/*---------------------------------------------------------------------------*/
1336
1337Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1338faceNbNodesInFaceMesh()
1339{
1340 if (m_face_nb_nodes_in_face_mesh.empty())
1341 _readfaceNodesInFaceMesh();
1342 return m_face_nb_nodes_in_face_mesh;
1343}
1344
1345/*---------------------------------------------------------------------------*/
1346/*---------------------------------------------------------------------------*/
1347
1348Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1349edgeNbNodes()
1350{
1351 if (m_edge_node_uids.empty())
1352 edgeUids();
1353 return m_edge_nb_nodes;
1354}
1355
1356/*---------------------------------------------------------------------------*/
1357/*---------------------------------------------------------------------------*/
1358
1359Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1360edgeNodes()
1361{
1362 if (m_edge_node_uids.empty())
1363 edgeUids();
1364 return m_edge_node_uids;
1365}
1366
1367/*---------------------------------------------------------------------------*/
1368/*---------------------------------------------------------------------------*/
1369
1370Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1371faceCells()
1372{
1373 if (m_face_cell_uids.empty())
1374 faceUids();
1375 // debug
1376 if (m_print_info_level.print_debug_info) {
1377 std::cout << "=================FACE CELLS================="
1378 << "\n";
1379 std::copy(m_face_cell_uids.begin(), m_face_cell_uids.end(), std::ostream_iterator<Int64>(std::cout, " "));
1380 std::cout << "\n";
1381 std::cout << "=================END FACE CELLS================="
1382 << "\n";
1383 }
1384 return m_face_cell_uids;
1385}
1386
1387/*---------------------------------------------------------------------------*/
1388/*---------------------------------------------------------------------------*/
1389
1390Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1391faceNbCells()
1392{
1393 if (m_face_nb_cells.empty())
1394 faceUids();
1395 return m_face_nb_cells;
1396}
1397
1398/*---------------------------------------------------------------------------*/
1399/*---------------------------------------------------------------------------*/
1400
1401Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1402edgeNbCells()
1403{
1404 if (m_edge_nb_cells.empty())
1405 edgeUids();
1406 return m_edge_nb_cells;
1407}
1408
1409/*---------------------------------------------------------------------------*/
1410/*---------------------------------------------------------------------------*/
1411
1412Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1413edgeCells()
1414{
1415 if (m_edge_cell_uids.empty())
1416 edgeUids();
1417 return m_edge_cell_uids;
1418}
1419
1420/*---------------------------------------------------------------------------*/
1421/*---------------------------------------------------------------------------*/
1422
1423Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1424cellNbFaces()
1425{
1426 if (m_cell_nb_faces.empty())
1427 faceUids();
1428 return m_cell_nb_faces;
1429}
1430
1431/*---------------------------------------------------------------------------*/
1432/*---------------------------------------------------------------------------*/
1433
1434Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1435cellFaces()
1436{
1437 if (m_cell_face_uids.empty())
1438 faceUids();
1439 return m_cell_face_uids;
1440}
1441
1442/*---------------------------------------------------------------------------*/
1443/*---------------------------------------------------------------------------*/
1444
1445Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1446edgeNbFaces()
1447{
1448 if (m_edge_nb_faces.empty())
1449 edgeUids();
1450 return m_edge_nb_faces;
1451}
1452
1453/*---------------------------------------------------------------------------*/
1454/*---------------------------------------------------------------------------*/
1455
1456Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1457edgeFaces()
1458{
1459 if (m_edge_face_uids.empty())
1460 edgeUids();
1461 return m_edge_face_uids;
1462}
1463
1464/*---------------------------------------------------------------------------*/
1465/*---------------------------------------------------------------------------*/
1466
1467Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1468cellNbEdges()
1469{
1470 if (m_cell_nb_edges.empty())
1471 edgeUids();
1472 return m_cell_nb_edges;
1473}
1474
1475/*---------------------------------------------------------------------------*/
1476/*---------------------------------------------------------------------------*/
1477
1478Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1479cellEdges()
1480{
1481 if (m_cell_edge_uids.empty())
1482 edgeUids();
1483 return m_cell_edge_uids;
1484}
1485
1486/*---------------------------------------------------------------------------*/
1487/*---------------------------------------------------------------------------*/
1488
1489Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1490faceNbEdges()
1491{
1492 if (m_face_nb_edges.empty())
1493 edgeUids();
1494 return m_face_nb_edges;
1495}
1496
1497/*---------------------------------------------------------------------------*/
1498/*---------------------------------------------------------------------------*/
1499
1500Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1501faceEdges()
1502{
1503 if (m_face_edge_uids.empty())
1504 edgeUids();
1505 return m_face_edge_uids;
1506}
1507
1508/*---------------------------------------------------------------------------*/
1509/*---------------------------------------------------------------------------*/
1510
1511template <typename Connectivity2DArray>
1512void VtkPolyhedralMeshIOService::VtkReader::
1513_flattenConnectivity(Connectivity2DArray connected_item_2darray,
1514 Int32Span nb_connected_item_per_source_item,
1515 Int64UniqueArray& connected_item_array)
1516{
1517 // fill nb_connected_item_per_source_items
1518 std::transform(connected_item_2darray.begin(), connected_item_2darray.end(), nb_connected_item_per_source_item.begin(), [](auto const& connected_items) {
1519 return connected_items.size();
1520 });
1521 // fill connected_item_array
1522 connected_item_array.reserve(std::accumulate(nb_connected_item_per_source_item.begin(), nb_connected_item_per_source_item.end(), 0));
1523 std::for_each(connected_item_2darray.begin(), connected_item_2darray.end(), [&connected_item_array](auto const& connected_items) {
1524 for (auto const& connected_item : connected_items) {
1525 connected_item_array.push_back(connected_item);
1526 }
1527 });
1528}
1529
1530/*---------------------------------------------------------------------------*/
1531/*---------------------------------------------------------------------------*/
1532
1533Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1534nodeNbCells()
1535{
1536 if (m_node_nb_cells.empty())
1537 nodeUids();
1538 return m_node_nb_cells;
1539}
1540
1541/*---------------------------------------------------------------------------*/
1542/*---------------------------------------------------------------------------*/
1543
1544Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1545nodeCells()
1546{
1547 if (m_node_cell_uids.empty())
1548 nodeUids();
1549 return m_node_cell_uids;
1550}
1551
1552/*---------------------------------------------------------------------------*/
1553/*---------------------------------------------------------------------------*/
1554
1555Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1556nodeNbFaces()
1557{
1558 if (m_node_nb_faces.empty())
1559 faceUids();
1560 return m_node_nb_faces;
1561}
1562
1563/*---------------------------------------------------------------------------*/
1564/*---------------------------------------------------------------------------*/
1565
1566Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1567nodeFaces()
1568{
1569 if (m_node_face_uids.empty())
1570 faceUids();
1571 return m_node_face_uids;
1572}
1573
1574/*---------------------------------------------------------------------------*/
1575/*---------------------------------------------------------------------------*/
1576
1577Int32ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1578nodeNbEdges()
1579{
1580 if (m_node_nb_edges.empty())
1581 edgeUids();
1582 return m_node_nb_edges;
1583}
1584
1585/*---------------------------------------------------------------------------*/
1586/*---------------------------------------------------------------------------*/
1587
1588Int64ConstArrayView VtkPolyhedralMeshIOService::VtkReader::
1589nodeEdges()
1590{
1591 if (m_node_edge_uids.empty())
1592 edgeUids();
1593 return m_node_edge_uids;
1594}
1595
1596/*---------------------------------------------------------------------------*/
1597/*---------------------------------------------------------------------------*/
1598
1599Real3ArrayView VtkPolyhedralMeshIOService::VtkReader::
1600nodeCoords()
1601{
1602 if (!doRead()) return m_node_coordinates;
1603 if (m_node_coordinates.empty()) {
1604 _checkVtkGrid();
1605 auto point_coords = m_vtk_grid->GetPoints()->GetData();
1606 if (m_print_info_level.print_debug_info) {
1607 std::cout << "======= Point COORDS ====" << std::endl;
1608 std::ostringstream oss;
1609 point_coords->PrintSelf(oss, vtkIndent{ 2 });
1610 std::cout << oss.str() << std::endl;
1611 }
1612 auto nb_nodes = m_vtk_grid->GetNumberOfPoints();
1613 for (int i = 0; i < nb_nodes; ++i) {
1614 if (m_print_info_level.print_debug_info) {
1615 std::cout << "==========current point coordinates : ( ";
1616 std::cout << *(point_coords->GetTuple(i)) << " , ";
1617 std::cout << *(point_coords->GetTuple(i) + 1) << " , ";
1618 std::cout << *(point_coords->GetTuple(i) + 2) << " ) ===" << std::endl;
1619 }
1620 m_node_coordinates.add({ *(point_coords->GetTuple(i)),
1621 *(point_coords->GetTuple(i) + 1),
1622 *(point_coords->GetTuple(i) + 2) });
1623 }
1624 }
1625 return m_node_coordinates;
1626}
1627
1628/*---------------------------------------------------------------------------*/
1629/*---------------------------------------------------------------------------*/
1630
1631vtkCellData* VtkPolyhedralMeshIOService::VtkReader::
1632cellData()
1633{
1634 return m_cell_data;
1635}
1636
1637/*---------------------------------------------------------------------------*/
1638/*---------------------------------------------------------------------------*/
1639
1640vtkPointData* VtkPolyhedralMeshIOService::VtkReader::
1641pointData()
1642{
1643 return m_point_data;
1644}
1645
1646/*---------------------------------------------------------------------------*/
1647/*---------------------------------------------------------------------------*/
1648
1649void VtkPolyhedralMeshIOService::VtkReader::
1650_printMeshInfos() const
1651{
1652 _checkVtkGrid();
1653 std::cout << "-- VTK GRID READ "
1654 << " NB CELLS " << m_vtk_grid->GetNumberOfCells() << std::endl;
1655 // Parse cells
1656 auto* cell_iter = m_vtk_grid->vtkDataSet::NewCellIterator();
1657 cell_iter->InitTraversal();
1658 vtkIdType_generic* cell_faces{ nullptr };
1659 vtkIdType nb_faces = 0;
1660 while (!cell_iter->IsDoneWithTraversal()) {
1661 std::cout << "---- visiting cell id " << cell_iter->GetCellId() << std::endl;
1662 std::cout << "---- cell number of faces " << cell_iter->GetNumberOfFaces() << std::endl;
1663 std::cout << "---- cell number of points " << cell_iter->GetNumberOfPoints() << std::endl;
1664 m_vtk_grid->GetFaceStream(cell_iter->GetCellId(), nb_faces, cell_faces);
1665 for (auto iface = 0; iface < nb_faces; ++iface) {
1666 auto face_nb_nodes = *cell_faces++;
1667 std::cout << "---- has face with " << face_nb_nodes << " nodes. Node ids : ";
1668 for (int inode = 0; inode < face_nb_nodes; ++inode) {
1669 std::cout << *cell_faces++ << " ";
1670 }
1671 std::cout << std::endl;
1672 }
1673 cell_iter->GoToNextCell();
1674 }
1675}
1676
1677/*---------------------------------------------------------------------------*/
1678/*---------------------------------------------------------------------------*/
1679
1680vtkCellData* VtkPolyhedralMeshIOService::VtkReader::faceData()
1681{
1682 return m_face_data;
1683}
1684/*---------------------------------------------------------------------------*/
1685/*---------------------------------------------------------------------------*/
1686
1687/*---------------------------------------------------------------------------*/
1688/*---------------------------------------------------------------------------*/
1689
1690void VtkPolyhedralMeshIOService::VtkReader::
1691_readPlainTextVtkGrid(const String& filename)
1692{
1693 m_vtk_grid_reader->SetFileName(filename.localstr());
1694 m_vtk_grid_reader->ReadAllScalarsOn();
1695 m_vtk_grid_reader->Update();
1696 m_vtk_grid = m_vtk_grid_reader->GetOutput();
1697}
1698
1699/*---------------------------------------------------------------------------*/
1700/*---------------------------------------------------------------------------*/
1701
1702void VtkPolyhedralMeshIOService::VtkReader::
1703_readXlmVtkGrid(const String& filename)
1704{
1705 m_vtk_xml_grid_reader->SetFileName(filename.localstr());
1706 m_vtk_xml_grid_reader->Update();
1707 m_vtk_grid = m_vtk_xml_grid_reader->GetOutput();
1708}
1709
1710/*---------------------------------------------------------------------------*/
1711/*---------------------------------------------------------------------------*/
1712
1713void VtkPolyhedralMeshIOService::VtkReader::
1714_readPlainTextVtkFaceGrid(const String& faces_filename)
1715{
1716 m_vtk_face_grid_reader->SetFileName(faces_filename.localstr());
1717 m_vtk_face_grid_reader->ReadAllScalarsOn();
1718 m_vtk_face_grid_reader->Update();
1719 m_vtk_face_grid = m_vtk_face_grid_reader->GetOutput();
1720}
1721
1722/*---------------------------------------------------------------------------*/
1723/*---------------------------------------------------------------------------*/
1724
1725void VtkPolyhedralMeshIOService::VtkReader::
1726_readXmlVtkFaceGrid(const String& faces_filename)
1727{
1728 m_vtk_xml_face_grid_reader->SetFileName(faces_filename.localstr());
1729 m_vtk_xml_face_grid_reader->Update();
1730 m_vtk_face_grid = m_vtk_xml_face_grid_reader->GetOutput();
1731}
1732
1733/*---------------------------------------------------------------------------*/
1734/*---------------------------------------------------------------------------*/
1735
1736void VtkPolyhedralMeshIOService::VtkReader::
1737_readfaceNodesInFaceMesh()
1738{
1739 m_face_nb_nodes_in_face_mesh.resize(m_poly_data->GetNumberOfCells());
1740 m_face_node_uids_in_face_mesh.reserve(m_poly_data->GetNumberOfCells() * m_poly_data->GetMaxCellSize());
1741 m_poly_data->InitTraversal();
1742 vtkIdType face_nb_nodes;
1743 vtkIdType_generic* face_nodes;
1744
1745 auto face_nb_node_index = 0;
1746 Int64UniqueArray current_face_node_uids;
1747 Int64UniqueArray reordered_current_face_node_uids;
1748 current_face_node_uids.reserve(m_poly_data->GetMaxCellSize());
1749 reordered_current_face_node_uids.reserve(m_poly_data->GetMaxCellSize());
1750 Int64UniqueArray reordered_face_node_uids(m_poly_data->GetMaxCellSize());
1751 while (m_poly_data->GetNextCell(face_nb_nodes, face_nodes)) {
1752 m_face_nb_nodes_in_face_mesh[face_nb_node_index] = face_nb_nodes;
1753 ConstArrayView<vtkIdType> face_nodes_view(face_nb_nodes, face_nodes);
1754 current_face_node_uids.resize(face_nb_nodes);
1755 reordered_current_face_node_uids.resize(face_nb_nodes);
1756 std::copy(face_nodes_view.begin(), face_nodes_view.end(), current_face_node_uids.begin());
1757 MeshUtils::reorderNodesOfFace(current_face_node_uids, reordered_current_face_node_uids);
1758 std::copy(reordered_current_face_node_uids.begin(), reordered_current_face_node_uids.end(), std::back_inserter(m_face_node_uids_in_face_mesh));
1759 ++face_nb_node_index;
1760 }
1761}
1762/*---------------------------------------------------------------------------*/
1763/*---------------------------------------------------------------------------*/
1764
1765void VtkPolyhedralMeshIOService::VtkReader::
1766_checkVtkGrid() const
1767{
1768 if (!m_vtk_grid)
1769 ARCANE_FATAL("Polyhedral vtk grid not loaded. Cannot continue.");
1770}
1771
1772/*---------------------------------------------------------------------------*/
1773/*---------------------------------------------------------------------------*/
1774
1775} // End namespace Arcane
ArcaneGlobal.h
Fichier de configuration d'Arcane.
ARCANE_CHECK_POINTER
#define ARCANE_CHECK_POINTER(ptr)
Macro retournant le pointeur ptr s'il est non nul ou lancant une exception s'il est nul.
Definition ArcaneGlobal.h:827
ARCANE_FATAL
#define ARCANE_FATAL(...)
Macro envoyant une exception FatalErrorException.
Definition ArcaneGlobal.h:768
ArcaneTypes.h
Déclarations des types généraux de Arcane.
ENUMERATE_ITEM
#define ENUMERATE_ITEM(name, group)
Enumérateur générique d'un groupe de noeuds.
Definition ItemEnumerator.h:413
MeshUtils.h
Fonctions utilitaires sur le maillage.
ServiceFactory.h
Ce fichier contient les différentes fabriques de services et macro pour enregistrer les services.
ARCANE_SERVICE_INTERFACE
#define ARCANE_SERVICE_INTERFACE(ainterface)
Macro pour déclarer une interface lors de l'enregistrement d'un service.
Definition ServiceFactory.h:475
Ref.h
Gestion des références à une classe C++.
Arcane::ArcaneVtkPolyhedralMeshIOObject
Generation de la classe de base du Service.
Definition VtkPolyhedralMeshIO_axl.h:183
Arcane::ArcaneVtkPolyhedralMeshIOObject::options
CaseOptionsVtkPolyhedralMeshIO * options() const
Options du jeu de données du service.
Definition VtkPolyhedralMeshIO_axl.h:221
Arcane::ArcaneVtkPolyhedralMeshIOObject::ArcaneVtkPolyhedralMeshIOObject
ArcaneVtkPolyhedralMeshIOObject(const Arcane::ServiceBuildInfo &sbi)
Constructeur.
Definition VtkPolyhedralMeshIO_axl.h:200
Arcane::Array::reserve
void reserve(Int64 new_capacity)
Réserve le mémoire pour new_capacity éléments.
Definition arccore/src/collections/arccore/collections/Array.h:1239
Arcane::CaseMeshReaderReadInfo
Informations nécessaires pour la lecture d'un fichier de maillage.
Definition ICaseMeshReader.h:39
Arcane::IItemFamily
Interface d'une famille d'entités.
Definition IItemFamily.h:84
Arcane::IItemFamily::name
virtual String name() const =0
Nom de la famille.
Arcane::IItemFamily::nbItem
virtual Integer nbItem() const =0
Nombre d'entités.
Arcane::IMeshBase::name
virtual String name() const =0
Nom du maillage.
Arcane::IMeshBuilder
Interface d'un service de création/lecture du maillage.
Definition IMeshBuilder.h:32
Arcane::IMesh::variableMng
virtual IVariableMng * variableMng() const =0
Gestionnaire de variable associé
Arcane::ITraceMng
Interface du gestionnaire de traces.
Definition arccore/src/trace/arccore/trace/ITraceMng.h:156
Arcane::IVariableMngInternal::addAutoDestroyVariable
virtual void addAutoDestroyVariable(VariableRef *var)=0
Ajoute la variable à la liste des variables qui sont conservées jusqu'à la fin de l'exécution.
Arcane::IVariableMng::_internalApi
virtual IVariableMngInternal * _internalApi()=0
API interne à Arcane.
Arcane::IXmlDocumentHolder::loadFromBuffer
static IXmlDocumentHolder * loadFromBuffer(Span< const Byte > buffer, const String &name, ITraceMng *tm)
Charge un document XML.
Definition DomUtils.cc:426
Arcane::MeshBuildInfo
Paramètres nécessaires à la construction d'un maillage.
Definition MeshBuildInfo.h:48
Arcane::MeshBuildInfo::addNeedPartitioning
MeshBuildInfo & addNeedPartitioning(bool v)
Indique si le générateur nécessite d'appeler un partitionneur.
Definition MeshBuildInfo.cc:67
Arcane::MeshBuildInfo::addMeshKind
MeshBuildInfo & addMeshKind(const MeshKind &v)
Positionne les caractéristiques du maillage.
Definition MeshBuildInfo.cc:77
Arcane::MeshBuildInfo::addFactoryName
MeshBuildInfo & addFactoryName(const String &factory_name)
Positionne le nom de la fabrique pour créer ce maillage.
Definition MeshBuildInfo.cc:37
Arcane::MeshKind
Caractéristiques d'un maillage.
Definition MeshKind.h:104
Arcane::Ref
Référence à une instance.
Definition arccore/src/base/arccore/base/Ref.h:143
Arcane::ServiceBuildInfo
Structure contenant les informations pour créer un service.
Definition ServiceBuildInfo.h:198
Arcane::String
Chaîne de caractères unicode.
Definition arccore/src/base/arccore/base/String.h:70
Arcane::TraceAccessor::TraceAccessor
TraceAccessor(ITraceMng *m)
Construit un accesseur via le gestionnaire de trace m.
Definition TraceAccessor.cc:27
Arcane::TraceAccessor::debug
TraceMessageDbg debug(Trace::eDebugLevel=Trace::Medium) const
Flot pour un message de debug.
Definition arccore/src/trace/arccore/trace/TraceAccessor.h:120
Arcane::TraceAccessor::fatal
TraceMessage fatal() const
Flot pour un message d'erreur fatale.
Definition TraceAccessor.cc:219
Arcane::TraceAccessor::info
TraceMessage info() const
Flot pour un message d'information.
Definition TraceAccessor.cc:101
Arcane::TraceAccessor::traceMng
ITraceMng * traceMng() const
Gestionnaire de trace.
Definition TraceAccessor.cc:72
Arcane::UniqueArray
Vecteur 1D de données avec sémantique par valeur (style STL).
Definition arccore/src/collections/arccore/collections/Array.h:1844
Arcane::VariableBuildInfo
Paramètres nécessaires à la construction d'une variable.
Definition VariableBuildInfo.h:43
Arcane::VariableInfo
Infos caractérisant une variable.
Definition VariableInfo.h:37
Arcane::VariableRef
Référence à une variable.
Definition VariableRef.h:56
Arcane::VtkPolyhedralCaseMeshReader::Builder::fillMeshBuildInfo
void fillMeshBuildInfo(MeshBuildInfo &build_info) override
Remplit build_info avec les informations nécessaires pour créer le maillage.
Definition VtkPolyhedralMeshIOService.cc:289
Arcane::VtkPolyhedralCaseMeshReader::Builder::allocateMeshItems
void allocateMeshItems(IPrimaryMesh *pm) override
Alloue les entités du maillage géré par ce service.
Definition VtkPolyhedralMeshIOService.cc:298
Arcane::VtkPolyhedralCaseMeshReader::createBuilder
Ref< IMeshBuilder > createBuilder(const CaseMeshReaderReadInfo &read_info) const override
Retourne un builder pour créer et lire le maillage dont les informations sont spécifiées dans read_in...
Definition VtkPolyhedralMeshIOService.cc:323
Arcane::XmlNodeList
Liste de noeuds d'un arbre DOM.
Definition XmlNodeList.h:35
Arcane::XmlNode::const_reference
const value_type & const_reference
Type référence constante d'un élément du tableau.
Definition XmlNode.h:67
ARCANE_REGISTER_SERVICE
#define ARCANE_REGISTER_SERVICE(aclass, a_service_property,...)
Macro pour enregistrer un service.
Definition ServiceFactory.h:516
Arcane::CStringUtils::len
Integer len(const char *s)
Retourne la longueur de la chaîne s.
Definition arcane/src/arcane/utils/CStringUtils.cc:90
Arcane
-*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
Definition AcceleratorGlobal.h:36
Arcane::Int64Span
Span< Int64 > Int64Span
Equivalent C d'un tableau à une dimension d'entiers 64 bits.
Definition UtilsTypes.h:607
Arcane::Int64UniqueArray
UniqueArray< Int64 > Int64UniqueArray
Tableau dynamique à une dimension d'entiers 64 bits.
Definition UtilsTypes.h:426
Arcane::Int64
std::int64_t Int64
Type entier signé sur 64 bits.
Definition ArccoreGlobal.h:186
Arcane::Real3ArrayView
ArrayView< Real3 > Real3ArrayView
Equivalent C d'un tableau à une dimension de Real3.
Definition UtilsTypes.h:554
Arcane::Integer
Int32 Integer
Type représentant un entier.
Definition ArccoreGlobal.h:240
Arcane::Real3UniqueArray
UniqueArray< Real3 > Real3UniqueArray
Tableau dynamique à une dimension de vecteurs de rang 3.
Definition UtilsTypes.h:450
Arcane::Int32ConstArrayView
ConstArrayView< Int32 > Int32ConstArrayView
Equivalent C d'un tableau à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:569
Arcane::eMeshStructure::Polyhedral
@ Polyhedral
Maillage polyedrique.
Definition MeshKind.h:37
Arcane::ST_CaseOption
@ ST_CaseOption
Le service s'utilise au niveau du jeu de données.
Definition ServiceProperty.h:68
Arcane::Int64ConstArrayView
ConstArrayView< Int64 > Int64ConstArrayView
Equivalent C d'un tableau à une dimension d'entiers 64 bits.
Definition UtilsTypes.h:567
Arcane::ByteUniqueArray
UniqueArray< Byte > ByteUniqueArray
Tableau dynamique à une dimension de caractères.
Definition UtilsTypes.h:422
Arcane::Int32SharedArray
SharedArray< Int32 > Int32SharedArray
Tableau dynamique à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:468
Arcane::Int32UniqueArray
UniqueArray< Int32 > Int32UniqueArray
Tableau dynamique à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:428
Arcane::eItemKind
eItemKind
Genre d'entité de maillage.
Definition ArcaneTypes.h:222
Arcane::IK_Node
@ IK_Node
Entité de maillage de genre noeud.
Definition ArcaneTypes.h:223
Arcane::IK_Cell
@ IK_Cell
Entité de maillage de genre maille.
Definition ArcaneTypes.h:226
Arcane::IK_Face
@ IK_Face
Entité de maillage de genre face.
Definition ArcaneTypes.h:225
Arcane::IK_Edge
@ IK_Edge
Entité de maillage de genre arête.
Definition ArcaneTypes.h:224
Arcane::Real
double Real
Type représentant un réel.
Definition ArccoreGlobal.h:223
Arcane::ByteConstArrayView
ConstArrayView< Byte > ByteConstArrayView
Equivalent C d'un tableau à une dimension de caractères.
Definition UtilsTypes.h:563
Arcane::makeRef
auto makeRef(InstanceType *t) -> Ref< InstanceType >
Créé une référence sur un pointeur.
Definition arccore/src/base/arccore/base/Ref.h:356
Arcane::StringUniqueArray
UniqueArray< String > StringUniqueArray
Tableau dynamique à une dimension de chaînes de caractères.
Definition UtilsTypes.h:446
Arcane::Int32Span
Span< Int32 > Int32Span
Equivalent C d'un tableau à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:609
Arcane::eDataType
eDataType
Type d'une donnée.
Definition DataTypes.h:39
Arcane::DT_Int32
@ DT_Int32
Donnée de type entier 32 bits.
Definition DataTypes.h:43
Arcane::DT_Int64
@ DT_Int64
Donnée de type entier 64 bits.
Definition DataTypes.h:44
Arcane::DT_Unknown
@ DT_Unknown
Donnée de type inconnue ou non initialisée.
Definition DataTypes.h:56
Arcane::DT_Real
@ DT_Real
Donnée de type réel.
Definition DataTypes.h:41
Arcane::Int32ConstSpan
Span< const Int32 > Int32ConstSpan
Vue en lecture seule d'un tableau à une dimension d'entiers 32 bits.
Definition UtilsTypes.h:641
Arcane::dataTypeFromName
ARCANE_DATATYPE_EXPORT eDataType dataTypeFromName(const char *name, bool &has_error)
Trouve le type associé à name.
Definition DataTypes.cc:92
Arcane::dataTypeName
const char * dataTypeName(eDataType type)
Nom du type de donnée.
Definition DataTypes.cc:70
Arcane::Int32
std::int32_t Int32
Type entier signé sur 32 bits.
Definition ArccoreGlobal.h:184