/usr/include/dune/grid-glue/adapter/gridglueamirawriter.hh is in libdune-grid-glue-dev 2.4.0-1build1.
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 | /**
* @file
* @brief Write all remote intersections to a AmiraMesh file
*/
#ifndef DUNE_GRIDGLUE_ADAPTER_GRIDGLUEAMIRAWRITER_HH
#define DUNE_GRIDGLUE_ADAPTER_GRIDGLUEAMIRAWRITER_HH
#include <fstream>
#include <sstream>
#include <dune/common/typetraits.hh>
namespace Dune {
namespace GridGlue {
/** \brief Write remote intersections to a AmiraMesh file for debugging purposes
*/
class GridGlueAmiraWriter
{
/** \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 fgrid;
fgrid.open(filename.c_str());
typedef typename Dune::conditional<(side==0), typename Glue::Grid0View, typename Glue::Grid1View>::type GridView;
const int dim = GridView::dimension;
const int domdimw = GridView::dimensionworld;
// 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();
if (dim==3) {
fgrid << "# HyperSurface 0.1 ASCII \n" << std::endl;
fgrid<<"\n";
fgrid<<"Parameters {\n";
fgrid<<" Materials {\n";
fgrid<<" outside {\n";
fgrid<<" Id 0\n";
fgrid<<" }\n";
fgrid<<" inside {\n";
fgrid<<" Id 1\n";
fgrid<<" }\n";
fgrid<<" }\n";
fgrid<<"\n";
fgrid<<"}\n";
// ////////////////////////////////////////////
// Write vertices
// ////////////////////////////////////////////
//use dim and not dim+1
fgrid<<"\nVertices "<< overlaps*(dim)<<"\n";
auto isEnd = glue.template iend<side>();
for (auto isIt = glue.template ibegin<side>(); isIt != isEnd; ++isIt)
{
const auto& geometry = isIt->geometry();
for (int i = 0; i < geometry.corners(); ++i)
fgrid << geometry.corner(i) << coordinatePadding << std::endl;
}
// ////////////////////////////////////////////
// Write triangles
// ////////////////////////////////////////////
fgrid<<"NBranchingPoints 0\n";
fgrid<<"NVerticesOnCurves 0\n";
fgrid<<"BoundaryCurves 0\n";
fgrid<<"Patches 1\n";
fgrid<<"{\n";
fgrid<<"InnerRegion inside\n";
fgrid<<"OuterRegion outside\n";
fgrid<<"BoundaryID 0\n";
fgrid<<"BranchingPoints 0";
fgrid<<"\n";
fgrid<<"Triangles "<<overlaps<<std::endl;
for (int i=0;i<overlaps; i++)
fgrid<<i*dim+1<<" "<<i*dim+2<<" "<<i*dim+3<<std::endl;
fgrid<<"}\n";
} else if (dim==2) {
fgrid << "# AmiraMesh 3D ASCII 2.0 \n";
fgrid<<"\n";
fgrid<<"define Lines "<<3*overlaps<<"\n";
fgrid<<"nVertices "<<2*overlaps<<"\n";
fgrid<<"\n";
fgrid<<"Parameters {\n";
fgrid<<" ContentType \"HxLineSet\" \n";
fgrid<<"}\n";
fgrid<<"\n";
fgrid<<"Lines { int LineIdx } @1\n";
fgrid<<"Vertices { float[3] Coordinates } @2\n";
fgrid<<"\n";
fgrid<<"# Data section follows\n";
fgrid<<"@1 \n";
for (int i=0; i<overlaps;i++)
fgrid<<2*i<<"\n"<<2*i+1<<"\n"<<-1<<"\n";
fgrid<<"\n";
fgrid<<"@2 \n";
auto isEnd = glue.template iend<side>();
for (auto isIt = glue.template ibegin<side>(); isIt != isEnd; ++isIt) {
const auto& geometry = isIt->geometry();
for (int i = 0; i <2; ++i)
fgrid << geometry.corner(i) <<" "<<0<<"\n";
}
}
fgrid.close();
}
public:
template<typename Glue>
static void write(const Glue& glue, const std::string& path, int appendix=1)
{
std::ostringstream name0;
name0 << path;
name0 << "/domain.surf" << std::setw(3) << std::setfill('0') << appendix;
// Write extracted grid and remote intersection on the grid1-side
writeIntersections<Glue,0>(glue,name0.str());
std::ostringstream name1;
name1 << path;
name1 << "/target.surf" << std::setw(3) << std::setfill('0') << appendix;
writeIntersections<Glue,1>(glue, name1.str());
}
};
} // namespace GridGlue
} // namespace Dune
#endif // DUNE_GRIDGLUE_ADAPTER_GRIDGLUEAMIRAWRITER_HH
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