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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup InputOutput | ||
| 10 | * \brief Class for grid data attached to dgf or gmsh grid files | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_IO_GRID_DATA_HH | ||
| 13 | #define DUMUX_IO_GRID_DATA_HH | ||
| 14 | |||
| 15 | #include <vector> | ||
| 16 | #include <memory> | ||
| 17 | #include <type_traits> | ||
| 18 | |||
| 19 | #include <dune/common/exceptions.hh> | ||
| 20 | #include <dune/common/parallel/communication.hh> | ||
| 21 | #include <dune/common/parallel/mpihelper.hh> | ||
| 22 | #include <dune/grid/common/gridfactory.hh> | ||
| 23 | #include <dune/grid/io/file/dgfparser/parser.hh> | ||
| 24 | #include <dune/grid/io/file/dgfparser/gridptr.hh> | ||
| 25 | #include <dumux/io/vtk/vtkreader.hh> | ||
| 26 | |||
| 27 | // UGGrid specific includes | ||
| 28 | #if HAVE_DUNE_UGGRID | ||
| 29 | #include <dune/grid/uggrid.hh> | ||
| 30 | #endif | ||
| 31 | |||
| 32 | #include "gmshgriddatahandle.hh" | ||
| 33 | #include "vtkgriddatahandle.hh" | ||
| 34 | |||
| 35 | namespace Dumux { | ||
| 36 | |||
| 37 | namespace Detail { | ||
| 38 | |||
| 39 | template<class Grid> | ||
| 40 | struct isUG : public std::false_type {}; | ||
| 41 | |||
| 42 | #if HAVE_DUNE_UGGRID | ||
| 43 | template<int dim> | ||
| 44 | struct isUG<Dune::UGGrid<dim>> : public std::true_type {}; | ||
| 45 | #endif | ||
| 46 | |||
| 47 | } // end namespace Details | ||
| 48 | |||
| 49 | /*! | ||
| 50 | * \ingroup InputOutput | ||
| 51 | * \brief Class for grid data attached to dgf or gmsh grid files | ||
| 52 | */ | ||
| 53 | template <class Grid> | ||
| 54 | class GridData | ||
| 55 | { | ||
| 56 | using Intersection = typename Grid::LeafIntersection; | ||
| 57 | using Element = typename Grid::template Codim<0>::Entity; | ||
| 58 | using Vertex = typename Grid::template Codim<Grid::dimension>::Entity; | ||
| 59 | using GmshDataHandle = GmshGridDataHandle<Grid, Dune::GridFactory<Grid>, std::vector<int>>; | ||
| 60 | using VtkDataHandle = VtkGridDataHandle<Grid, Dune::GridFactory<Grid>, std::vector<double>>; | ||
| 61 | |||
| 62 | enum DataSourceType { dgf, gmsh, vtk }; | ||
| 63 | |||
| 64 | public: | ||
| 65 | //! constructor for gmsh grid data | ||
| 66 | 65 | GridData(std::shared_ptr<Grid> grid, std::shared_ptr<Dune::GridFactory<Grid>> factory, | |
| 67 | std::vector<int>&& elementMarkers, std::vector<int>&& boundaryMarkers, std::vector<int>&& faceMarkers = std::vector<int>{}) | ||
| 68 | : gridPtr_(grid) | ||
| 69 | , gridFactory_(factory) | ||
| 70 | , elementMarkers_(elementMarkers) | ||
| 71 | , boundaryMarkers_(boundaryMarkers) | ||
| 72 | , faceMarkers_(faceMarkers) | ||
| 73 |
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65 | , dataSourceType_(DataSourceType::gmsh) |
| 74 | 65 | {} | |
| 75 | |||
| 76 | //! constructor for dgf grid data | ||
| 77 | 81 | GridData(Dune::GridPtr<Grid> grid) | |
| 78 | : dgfGrid_(grid) | ||
| 79 |
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648 | , dataSourceType_(DataSourceType::dgf) |
| 80 | 81 | {} | |
| 81 | |||
| 82 | //! constructor for VTK grid data | ||
| 83 | ✗ | GridData(std::shared_ptr<Grid> grid, std::shared_ptr<Dune::GridFactory<Grid>> factory, | |
| 84 | VTKReader::Data&& cellData, VTKReader::Data&& pointData) | ||
| 85 | : gridPtr_(grid) | ||
| 86 | , gridFactory_(factory) | ||
| 87 | , cellData_(cellData) | ||
| 88 | , pointData_(pointData) | ||
| 89 | ✗ | , dataSourceType_(DataSourceType::vtk) | |
| 90 | ✗ | {} | |
| 91 | |||
| 92 | |||
| 93 | /*! | ||
| 94 | * \name DGF interface functions | ||
| 95 | */ | ||
| 96 | // \{ | ||
| 97 | |||
| 98 | /*! | ||
| 99 | * \brief Call the parameters function of the DGF grid pointer if available for vertex data | ||
| 100 | * \note You can only pass vertices that exist on level 0! | ||
| 101 | */ | ||
| 102 | 15686 | const std::vector<double>& parameters(const Vertex& vertex) const | |
| 103 | { | ||
| 104 |
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15686 | if (dataSourceType_ == DataSourceType::dgf) |
| 105 | { | ||
| 106 |
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31372 | if (vertex.level() != 0) |
| 107 | ✗ | DUNE_THROW(Dune::IOError, "You can only obtain parameters for level 0 vertices!"); | |
| 108 | |||
| 109 | 15686 | return dgfGrid_.parameters(vertex); | |
| 110 | } | ||
| 111 | else | ||
| 112 | ✗ | DUNE_THROW(Dune::InvalidStateException, "The parameters method is only available if the grid was constructed with a DGF file."); | |
| 113 | } | ||
| 114 | |||
| 115 | /*! | ||
| 116 | * \brief Call the parameters function of the DGF grid pointer if available for element data | ||
| 117 | */ | ||
| 118 | 134784 | const std::vector<double>& parameters(const Element& element) const | |
| 119 | { | ||
| 120 |
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134784 | if (dataSourceType_ == DataSourceType::dgf) |
| 121 | { | ||
| 122 |
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187428 | if (element.hasFather()) |
| 123 | { | ||
| 124 | 89539 | auto level0Element = element; | |
| 125 |
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179444 | while(level0Element.hasFather()) |
| 126 |
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60877 | level0Element = level0Element.father(); |
| 127 | |||
| 128 |
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59529 | return dgfGrid_.parameters(level0Element); |
| 129 | } | ||
| 130 | else | ||
| 131 | { | ||
| 132 | 75255 | return dgfGrid_.parameters(element); | |
| 133 | } | ||
| 134 | } | ||
| 135 | else | ||
| 136 | ✗ | DUNE_THROW(Dune::InvalidStateException, "The parameters method is only available if the grid was constructed with a DGF file."); | |
| 137 | } | ||
| 138 | |||
| 139 | /*! | ||
| 140 | * \brief Call the parameters function of the DGF grid pointer if available | ||
| 141 | */ | ||
| 142 | template <class GridImp, class IntersectionImp> | ||
| 143 | const Dune::DGFBoundaryParameter::type& parameters(const Dune::Intersection<GridImp, IntersectionImp>& intersection) const | ||
| 144 | { | ||
| 145 | if (dataSourceType_ == DataSourceType::dgf) | ||
| 146 | return dgfGrid_.parameters(intersection); | ||
| 147 | else | ||
| 148 | DUNE_THROW(Dune::InvalidStateException, "The parameters method is only available if the grid was constructed with a DGF file."); | ||
| 149 | } | ||
| 150 | |||
| 151 | // \} | ||
| 152 | |||
| 153 | /*! | ||
| 154 | * \name Gmsh interface functions | ||
| 155 | */ | ||
| 156 | // \{ | ||
| 157 | |||
| 158 | /*! | ||
| 159 | * \brief Return the boundary domain marker (Gmsh physical entity number) of an intersection | ||
| 160 | Only available when using Gmsh with GridParameterGroup.DomainMarkers = 1. | ||
| 161 | * \param boundarySegmentIndex The boundary segment index of the intersection (intersection.boundarySegmentIndex() | ||
| 162 | */ | ||
| 163 | 759198 | int getBoundaryDomainMarker(int boundarySegmentIndex) const | |
| 164 | { | ||
| 165 |
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759198 | if (dataSourceType_ != DataSourceType::gmsh) |
| 166 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Domain markers are only available for gmsh grids."); | |
| 167 |
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1518396 | if (boundarySegmentIndex >= boundaryMarkers_.size()) |
| 168 | ✗ | DUNE_THROW(Dune::RangeError, "Boundary segment index "<< boundarySegmentIndex << " bigger than number of boundary segments in grid.\n" | |
| 169 | "Make sure to call this function only for boundaries that were defined as physical entities in gmsh."); | ||
| 170 | 1518396 | return boundaryMarkers_[boundarySegmentIndex]; | |
| 171 | } | ||
| 172 | |||
| 173 | /*! | ||
| 174 | * \brief Return the boundary domain marker (Gmsh physical entity number) of an intersection | ||
| 175 | Only available when using Gmsh with GridParameterGroup.DomainMarkers = 1. | ||
| 176 | * \param intersection The intersection to be evaluated | ||
| 177 | */ | ||
| 178 | int getBoundaryDomainMarker(const Intersection& intersection) const | ||
| 179 |
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21786 | { return getBoundaryDomainMarker(intersection.boundarySegmentIndex()); } |
| 180 | |||
| 181 | /*! | ||
| 182 | * \brief Returns true if an intersection was inserted during grid creation | ||
| 183 | */ | ||
| 184 | bool wasInserted(const Intersection& intersection) const | ||
| 185 |
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960 | { return gridFactory_->wasInserted(intersection); } |
| 186 | |||
| 187 | /*! | ||
| 188 | * \brief Return the element domain marker (Gmsh physical entity number) of an element. | ||
| 189 | Only available when using Gmsh with GridParameterGroup.DomainMarkers = 1. | ||
| 190 | * \param element The element to be evaluated | ||
| 191 | */ | ||
| 192 | 143962 | int getElementDomainMarker(const Element& element) const | |
| 193 | { | ||
| 194 |
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143962 | if (dataSourceType_ != DataSourceType::gmsh) |
| 195 | ✗ | DUNE_THROW(Dune::InvalidStateException, "Domain markers are only available for gmsh grids."); | |
| 196 | |||
| 197 | // parameters are only given for level 0 elements | ||
| 198 | 207363 | auto level0element = element; | |
| 199 |
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398217 | while (level0element.hasFather()) |
| 200 |
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109903 | level0element = level0element.father(); |
| 201 | |||
| 202 | // in the parallel case the data is load balanced and then accessed with indices of the index set | ||
| 203 | // for UGGrid element data is read on all processes since UGGrid can't communicate element data (yet) | ||
| 204 |
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368417 | if (gridPtr_->comm().size() > 1 && !Detail::isUG<Grid>::value) |
| 205 |
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96276 | return elementMarkers_[gridPtr_->levelGridView(0).indexSet().index(level0element)]; |
| 206 | else | ||
| 207 |
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223740 | return elementMarkers_[gridFactory_->insertionIndex(level0element)]; |
| 208 | } | ||
| 209 | |||
| 210 | /*! | ||
| 211 | * \brief Create a data handle for communication of the data in parallel simulations | ||
| 212 | * \note this data handle is the default | ||
| 213 | */ | ||
| 214 | template<bool ug = Detail::isUG<Grid>::value, typename std::enable_if_t<!ug, int> = 0> | ||
| 215 | GmshDataHandle createGmshDataHandle() | ||
| 216 | { | ||
| 217 | 12 | return GmshDataHandle(*gridPtr_, *gridFactory_, elementMarkers_, boundaryMarkers_, faceMarkers_); | |
| 218 | } | ||
| 219 | |||
| 220 | /*! | ||
| 221 | * \brief Create a data handle for communication of the data in parallel simulations | ||
| 222 | * \note this data handle is the specialized for UGGrid since UGGrid can't communicate element data (yet) | ||
| 223 | */ | ||
| 224 | template<bool ug = Detail::isUG<Grid>::value, typename std::enable_if_t<ug, int> = 0> | ||
| 225 | GmshDataHandle createGmshDataHandle() | ||
| 226 | { | ||
| 227 | 12 | return GmshDataHandle(*gridPtr_, *gridFactory_, elementMarkers_, boundaryMarkers_); | |
| 228 | } | ||
| 229 | |||
| 230 | // \} | ||
| 231 | |||
| 232 | /*! | ||
| 233 | * \name VTK interface functions | ||
| 234 | */ | ||
| 235 | // \{ | ||
| 236 | |||
| 237 | /*! | ||
| 238 | * \brief Get an element parameter | ||
| 239 | * \param element the element | ||
| 240 | * \param fieldName the name of the field to read from the vtk data | ||
| 241 | */ | ||
| 242 | double getParameter(const Element& element, const std::string& fieldName) const | ||
| 243 | ✗ | { return getArrayParameter<double, 1>(element, fieldName)[0]; } | |
| 244 | |||
| 245 | /*! | ||
| 246 | * \brief Get an element parameter that is an array | ||
| 247 | * \param element the element | ||
| 248 | * \param fieldName the name of the field to read from the vtk data | ||
| 249 | * \tparam T the parameter scalar type | ||
| 250 | * \tparam size the number of parameters in the array | ||
| 251 | */ | ||
| 252 | template<class T, std::size_t size> | ||
| 253 | ✗ | std::array<T, size> getArrayParameter(const Element& element, const std::string& fieldName) const | |
| 254 | { | ||
| 255 | ✗ | if (dataSourceType_ != DataSourceType::vtk) | |
| 256 | ✗ | DUNE_THROW(Dune::InvalidStateException, "This access function is only available for data from VTK files."); | |
| 257 | |||
| 258 | ✗ | if (cellData_.count(fieldName) == 0) | |
| 259 | ✗ | DUNE_THROW(Dune::IOError, "No field with the name " << fieldName << " found in cell data."); | |
| 260 | |||
| 261 | // parameters are only given for level 0 elements | ||
| 262 | ✗ | auto level0element = element; | |
| 263 | ✗ | while (level0element.hasFather()) | |
| 264 | ✗ | level0element = level0element.father(); | |
| 265 | |||
| 266 | // different index depending on whether we have communicated user data (parallel setting) or not (sequential setting) | ||
| 267 | ✗ | const auto index = [&]{ | |
| 268 | ✗ | if (gridPtr_->comm().size() > 1) | |
| 269 | ✗ | return gridPtr_->levelGridView(0).indexSet().index(level0element); | |
| 270 | else | ||
| 271 | ✗ | return gridFactory_->insertionIndex(level0element); | |
| 272 | ✗ | }(); | |
| 273 | |||
| 274 | std::array<T, size> param; | ||
| 275 | ✗ | const auto& data = cellData_.at(fieldName); | |
| 276 | |||
| 277 | ✗ | if (const std::size_t nc = data.size()/gridPtr_->levelGridView(0).size(0); size != nc) | |
| 278 | ✗ | DUNE_THROW(Dune::IOError, "Array size " << size << " does not match number of components of field " << nc); | |
| 279 | |||
| 280 | ✗ | for (std::size_t i = 0; i < size; ++i) | |
| 281 | ✗ | param[i] = static_cast<T>(data[i + size*index]); | |
| 282 | ✗ | return param; | |
| 283 | } | ||
| 284 | |||
| 285 | /*! | ||
| 286 | * \brief Call the parameters function of the DGF grid pointer if available for vertex data | ||
| 287 | * \param vertex the vertex | ||
| 288 | * \param fieldName the name of the field to read from the vtk data | ||
| 289 | * \note You can only pass vertices that exist on level 0! | ||
| 290 | */ | ||
| 291 | double getParameter(const Vertex& vertex, const std::string& fieldName) const | ||
| 292 | ✗ | { return getArrayParameter<double, 1>(vertex, fieldName)[0]; } | |
| 293 | |||
| 294 | /*! | ||
| 295 | * \brief Call the parameters function of the DGF grid pointer if available for vertex data | ||
| 296 | * \param vertex the vertex | ||
| 297 | * \param fieldName the name of the field to read from the vtk data | ||
| 298 | * \tparam T the parameter scalar type | ||
| 299 | * \tparam size the number of parameters in the array | ||
| 300 | * \note You can only pass vertices that exist on level 0 (otherwise: undefined behaviour). | ||
| 301 | */ | ||
| 302 | template<class T, std::size_t size> | ||
| 303 | ✗ | std::array<T, size> getArrayParameter(const Vertex& vertex, const std::string& fieldName) const | |
| 304 | { | ||
| 305 | ✗ | if (dataSourceType_ != DataSourceType::vtk) | |
| 306 | ✗ | DUNE_THROW(Dune::InvalidStateException, "This access function is only available for data from VTK files."); | |
| 307 | |||
| 308 | ✗ | if (vertex.level() != 0) | |
| 309 | ✗ | DUNE_THROW(Dune::IOError, "You can only obtain parameters for level 0 vertices!"); | |
| 310 | |||
| 311 | ✗ | if (pointData_.count(fieldName) == 0) | |
| 312 | ✗ | DUNE_THROW(Dune::IOError, "No field with the name " << fieldName << " found in point data"); | |
| 313 | |||
| 314 | // different index depending on whether we have communicated user data (parallel setting) or not (sequential setting) | ||
| 315 | ✗ | const auto index = [&]{ | |
| 316 | ✗ | if (gridPtr_->comm().size() > 1) | |
| 317 | ✗ | return gridPtr_->levelGridView(0).indexSet().index(vertex); | |
| 318 | else | ||
| 319 | ✗ | return gridFactory_->insertionIndex(vertex); | |
| 320 | ✗ | }(); | |
| 321 | |||
| 322 | std::array<T, size> param; | ||
| 323 | ✗ | const auto& data = pointData_.at(fieldName); | |
| 324 | |||
| 325 | ✗ | if (const std::size_t nc = data.size()/gridPtr_->levelGridView(0).size(Grid::dimension); size != nc) | |
| 326 | ✗ | DUNE_THROW(Dune::IOError, "Array size " << size << " does not match number of components of field " << nc); | |
| 327 | |||
| 328 | ✗ | for (std::size_t i = 0; i < size; ++i) | |
| 329 | ✗ | param[i] = static_cast<T>(data[i + size*index]); | |
| 330 | ✗ | return param; | |
| 331 | } | ||
| 332 | |||
| 333 | /*! | ||
| 334 | * \brief Create a data handle for communication of the data in parallel simulations | ||
| 335 | */ | ||
| 336 | VtkDataHandle createVtkDataHandle() | ||
| 337 | { | ||
| 338 | ✗ | return VtkDataHandle(*gridPtr_, *gridFactory_, cellData_, pointData_); | |
| 339 | } | ||
| 340 | |||
| 341 | // \} | ||
| 342 | |||
| 343 | private: | ||
| 344 | // grid and grid factor for gmsh grid data / vtk grid data | ||
| 345 | std::shared_ptr<Grid> gridPtr_; | ||
| 346 | std::shared_ptr<Dune::GridFactory<Grid>> gridFactory_; | ||
| 347 | |||
| 348 | /*! | ||
| 349 | * \brief Element and boundary domain markers obtained from Gmsh physical entities | ||
| 350 | * They map from element indices / boundary ids to the physical entity number | ||
| 351 | */ | ||
| 352 | std::vector<int> elementMarkers_; | ||
| 353 | std::vector<int> boundaryMarkers_; | ||
| 354 | std::vector<int> faceMarkers_; | ||
| 355 | |||
| 356 | /*! | ||
| 357 | * \brief Cell and vertex data obtained from VTK files | ||
| 358 | */ | ||
| 359 | VTKReader::Data cellData_, pointData_; | ||
| 360 | |||
| 361 | // dgf grid data | ||
| 362 | Dune::GridPtr<Grid> dgfGrid_; | ||
| 363 | |||
| 364 | // specify which type of data we have | ||
| 365 | // TODO unfortunately all grid readers provide different data types, should be streamlined (changes in Dune) | ||
| 366 | DataSourceType dataSourceType_; | ||
| 367 | }; | ||
| 368 | |||
| 369 | } // namespace Dumux | ||
| 370 | |||
| 371 | #endif | ||
| 372 |