/usr/include/dune/grid-glue/adapter/gridgluevtkwriter.hh is in libdune-grid-glue-dev 2.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 | // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
/*
* Filename: GridGlueVtkWriter.hh
* Version: 1.0
* Created on: Mar 5, 2009
* Author: Gerrit Buse
* ---------------------------------
* Project: dune-grid-glue
* Description: Class thought to make graphical debugging of couplings easier.
*
*/
/**
* @file
* @brief Write all remote intersections to a vtk file for debugging
*/
#ifndef DUNE_GRIDGLUE_ADAPTER_GRIDGLUEVTKWRITER_HH
#define DUNE_GRIDGLUE_ADAPTER_GRIDGLUEVTKWRITER_HH
#include <fstream>
#include <iomanip>
#include <type_traits>
#include <vector>
#include <dune/common/classname.hh>
#include <dune/geometry/type.hh>
#include <dune/geometry/referenceelements.hh>
namespace Dune {
namespace GridGlue {
/** \brief Write remote intersections to a vtk file for debugging purposes
*/
class GridGlueVtkWriter
{
/** \brief Write either the grid0 or the grid1-side into streams
* \tparam side Write the grid0-side if this is 0, and grid1 if it is 1.
*/
template <class Glue, int side>
static void writeExtractedPart(const Glue& glue, const std::string& filename)
{
static_assert((side==0 || side==1), "'side' can only be 0 or 1");
std::ofstream fgrid;
fgrid.open(filename.c_str());
typedef typename std::conditional<(side==0), typename Glue::Grid0View, typename Glue::Grid1View>::type GridView;
typedef typename std::conditional<(side==0), typename Glue::Grid0Patch, typename Glue::Grid1Patch>::type Extractor;
typedef typename GridView::ctype ctype;
const int domdimw = GridView::dimensionworld;
const int patchDim = Extractor::dim - Extractor::codim;
// coordinates have to be in R^3 in the VTK format
std::string coordinatePadding;
for (int i=domdimw; i<3; i++)
coordinatePadding += " 0";
fgrid << "# vtk DataFile Version 2.0\nFilename: " << filename << "\nASCII" << std::endl;
// WRITE POINTS
// ----------------
std::vector<typename Extractor::Coords> coords;
glue.template patch<side>().getCoords(coords);
fgrid << ((patchDim==3) ? "DATASET UNSTRUCTURED_GRID" : "DATASET POLYDATA") << std::endl;
fgrid << "POINTS " << coords.size() << " " << Dune::className<ctype>() << std::endl;
for (size_t i=0; i<coords.size(); i++)
fgrid << coords[i] << coordinatePadding << std::endl;
fgrid << std::endl;
// WRITE POLYGONS
// ----------------
std::vector<typename Extractor::VertexVector> faces;
std::vector<Dune::GeometryType> geometryTypes;
glue.template patch<side>().getFaces(faces);
glue.template patch<side>().getGeometryTypes(geometryTypes);
unsigned int faceCornerCount = 0;
for (size_t i=0; i<faces.size(); i++)
faceCornerCount += faces[i].size();
fgrid << ((patchDim==3) ? "CELLS " : "POLYGONS ")
<< geometryTypes.size() << " " << geometryTypes.size() + faceCornerCount << std::endl;
for (size_t i=0; i<faces.size(); i++) {
fgrid << faces[i].size();
// vtk expects the vertices to by cyclically ordered
// therefore unfortunately we have to deal with several element types on a case-by-case basis
if (geometryTypes[i].isSimplex()) {
for (int j=0; j<patchDim+1; j++)
fgrid << " " << faces[i][j];
} else if (geometryTypes[i].isQuadrilateral()) {
fgrid << " " << faces[i][0] << " " << faces[i][1]
<< " " << faces[i][3] << " " << faces[i][2];
} else if (geometryTypes[i].isPyramid()) {
fgrid << " " << faces[i][0] << " " << faces[i][1]
<< " " << faces[i][3] << " " << faces[i][2] << " " << faces[i][4];
} else if (geometryTypes[i].isPrism()) {
fgrid << " " << faces[i][0] << " " << faces[i][2] << " " << faces[i][1]
<< " " << faces[i][3] << " " << faces[i][5] << " " << faces[i][4];
} else if (geometryTypes[i].isHexahedron()) {
fgrid << " " << faces[i][0] << " " << faces[i][1]
<< " " << faces[i][3] << " " << faces[i][2]
<< " " << faces[i][4] << " " << faces[i][5]
<< " " << faces[i][7] << " " << faces[i][6];
} else {
DUNE_THROW(Dune::NotImplemented, "Geometry type " << geometryTypes[i] << " not supported yet");
}
fgrid << std::endl;
}
fgrid << std::endl;
// 3d VTK files need an extra section specifying the CELL_TYPES aka GeometryTypes
if (patchDim==3) {
fgrid << "CELL_TYPES " << geometryTypes.size() << std::endl;
for (size_t i=0; i<geometryTypes.size(); i++) {
if (geometryTypes[i].isSimplex())
fgrid << "10" << std::endl;
else if (geometryTypes[i].isHexahedron())
fgrid << "12" << std::endl;
else if (geometryTypes[i].isPrism())
fgrid << "13" << std::endl;
else if (geometryTypes[i].isPyramid())
fgrid << "14" << std::endl;
else
DUNE_THROW(Dune::NotImplemented, "Geometry type " << geometryTypes[i] << " not supported yet");
}
}
#if 0
// WRITE CELL DATA
// ---------------
ctype accum = 0.0, delta = 1.0 / (ctype) (gridSubEntityData.size()-1);
fgrid << "CELL_DATA " << gridSubEntityData.size() << std::endl;
fgrid << "SCALARS property_coding " << Dune::className<ctype>() << " 1" << std::endl;
fgrid << "LOOKUP_TABLE default" << std::endl;
for (typename GridSubEntityData::const_iterator sEIt = gridSubEntityData.begin();
sEIt != gridSubEntityData.end();
++sEIt, accum += delta)
{
// "encode" the parent with one color...
fgrid << accum << std::endl;
}
#endif
fgrid.close();
}
/** \brief Write either the grid0 or the grid1-side into streams
* \tparam side Write the grid0-side if this is 0, and grid1 if it is 1.
*/
template <class Glue, int side>
static void writeIntersections(const Glue& glue, const std::string& filename)
{
static_assert((side==0 || side==1), "'side' can only be 0 or 1");
std::ofstream fmerged;
fmerged.open(filename.c_str());
typedef typename std::conditional<(side==0), typename Glue::Grid0View, typename Glue::Grid1View>::type GridView;
typedef typename std::conditional<(side==0),
typename Glue::Grid0IntersectionIterator,
typename Glue::Grid1IntersectionIterator>::type RemoteIntersectionIterator;
typedef typename GridView::ctype ctype;
const int domdimw = GridView::dimensionworld;
const int intersectionDim = Glue::Intersection::mydim;
// coordinates have to be in R^3 in the VTK format
std::string coordinatePadding;
for (int i=domdimw; i<3; i++)
coordinatePadding += " 0";
int overlaps = glue.size();
// WRITE POINTS
// ----------------
typedef typename Glue::Grid0Patch Extractor;
std::vector<typename Extractor::Coords> coords;
glue.template patch<side>().getCoords(coords);
// the merged grid (i.e. the set of remote intersections
fmerged << "# vtk DataFile Version 2.0\nFilename: " << filename << "\nASCII" << std::endl;
fmerged << ((intersectionDim==3) ? "DATASET UNSTRUCTURED_GRID" : "DATASET POLYDATA") << std::endl;
fmerged << "POINTS " << overlaps*(intersectionDim+1) << " " << Dune::className<ctype>() << std::endl;
for (RemoteIntersectionIterator isIt = glue.template ibegin<side>();
isIt != glue.template iend<side>();
++isIt)
{
for (int i = 0; i < isIt->geometry().corners(); ++i)
fmerged << isIt->geometry().corner(i) << coordinatePadding << std::endl;
}
// WRITE POLYGONS
// ----------------
std::vector<typename Extractor::VertexVector> faces;
std::vector<Dune::GeometryType> geometryTypes;
glue.template patch<side>().getFaces(faces);
glue.template patch<side>().getGeometryTypes(geometryTypes);
unsigned int faceCornerCount = 0;
for (size_t i=0; i<faces.size(); i++)
faceCornerCount += faces[i].size();
int grid0SimplexCorners = intersectionDim+1;
fmerged << ((intersectionDim==3) ? "CELLS " : "POLYGONS ")
<< overlaps << " " << (grid0SimplexCorners+1)*overlaps << std::endl;
for (int i = 0; i < overlaps; ++i) {
fmerged << grid0SimplexCorners;
for (int j=0; j<grid0SimplexCorners; j++)
fmerged << " " << grid0SimplexCorners*i+j;
fmerged << std::endl;
}
// 3d VTK files need an extra section specifying the CELL_TYPES aka GeometryTypes
if (intersectionDim==3) {
fmerged << "CELL_TYPES " << overlaps << std::endl;
for (int i = 0; i < overlaps; i++)
fmerged << "10" << std::endl;
}
#if 0
// WRITE CELL DATA
// ---------------
ctype accum = 0.0, delta = 1.0 / (ctype) (gridSubEntityData.size()-1);
fmerged << "CELL_DATA " << overlaps << std::endl;
fmerged << "SCALARS property_coding " << Dune::className<ctype>() << " 1" << std::endl;
fmerged << "LOOKUP_TABLE default" << std::endl;
for (typename GridSubEntityData::const_iterator sEIt = gridSubEntityData.begin();
sEIt != gridSubEntityData.end();
++sEIt, accum += delta)
{
// ...and mark all of its merged grid parts with the same color
for (int j = 0; j < sEIt->first.second; ++j)
fmerged << accum << std::endl;
}
#endif
fmerged.close();
}
public:
template<typename Glue>
static void write(const Glue& glue, const std::string& filenameTrunk)
{
// Write extracted grid and remote intersection on the grid0-side
writeExtractedPart<Glue,0>(glue,
filenameTrunk + "-grid0.vtk");
writeIntersections<Glue,0>(glue,
filenameTrunk + "-intersections-grid0.vtk");
// Write extracted grid and remote intersection on the grid1-side
writeExtractedPart<Glue,1>(glue,
filenameTrunk + "-grid1.vtk");
writeIntersections<Glue,1>(glue,
filenameTrunk + "-intersections-grid1.vtk");
}
};
} /* namespace GridGlue */
} /* namespace Dune */
#endif // DUNE_GRIDGLUE_ADAPTER_GRIDGLUEVTKWRITER_HH
|