5#ifndef DUNE_PRINTGRID_HH
6#define DUNE_PRINTGRID_HH
11#include <dune/common/exceptions.hh>
12#include <dune/common/parallel/mpihelper.hh>
20 struct ElementDataLayout
38 template <
typename B,
typename C>
39 C centrify (
const B& basegeo,
const C& coords,
const double scale) {
41 ret -= basegeo.center();
43 ret += basegeo.center();
48 template <
typename Coord>
49 void draw_line (std::ofstream &plotfile,
const Coord &p1,
const Coord &p2, std::string options) {
50 plotfile <<
"set object poly from ";
51 plotfile << p1[0] <<
"," << p1[1] <<
" to ";
52 plotfile << p2[0] <<
"," << p2[1] <<
" to ";
53 plotfile << p1[0] <<
"," << p1[1];
54 plotfile <<
" " << options << std::endl;
72 template <
typename Gr
idType>
73 void printGrid (
const GridType& grid,
const Dune::MPIHelper& helper, std::string output_file =
"printgrid",
74 int size = 2000,
bool execute_plot =
true,
bool png =
true,
bool local_corner_indices =
true,
75 bool local_intersection_indices =
true,
bool outer_normals =
true)
79 output_file = output_file +
"_" + std::to_string(helper.rank());
80 std::string plot_file_name = output_file +
".gnuplot";
81 std::ofstream plotfile (plot_file_name, std::ios::out | std::ios::trunc);
82 if (!plotfile.is_open()) {
83 DUNE_THROW(Dune::IOError,
"Could not create plot file " << output_file <<
"!");
88 plotfile <<
"set size ratio -1" << std::endl;
90 plotfile <<
"set terminal png size " << size <<
"," << size << std::endl;
91 plotfile <<
"set output '" << output_file <<
".png'" << std::endl;
93 plotfile <<
"set terminal svg size " << size <<
"," << size <<
" enhanced background rgb 'white'" << std::endl;
94 plotfile <<
"set output '" << output_file <<
".svg'" << std::endl;
98 typedef typename GridType::LeafGridView GV;
99 const GV gv = grid.leafGridView();
107 typedef typename GV::template Codim<0 >::Iterator LeafIterator;
110 LeafIterator it = gv.template begin<0>();
113 Dune::FieldVector<typename GridType::ctype,2> max_coord (it->geometry().center()), min_coord (max_coord);
116 for (; it != gv.template end<0>(); ++it) {
118 const auto& entity = *it;
119 auto geo = entity.geometry();
122 int element_id = elementmapper.
index(entity);
123 plotfile <<
"set label at " << geo.center()[0] <<
"," << geo.center()[1] <<
" '"
124 << element_id <<
"' center" << std::endl;
126 for (
int i = 0; i < geo.corners(); ++i) {
128 const int globalNodeNumber1 = nodemapper.
subIndex(entity, i, 2);
129 auto labelpos = centrify (geo, geo.corner(i), 0.7);
130 plotfile <<
"set label at " << labelpos[0] <<
"," << labelpos[1] <<
" '" << globalNodeNumber1;
131 if (local_corner_indices)
132 plotfile <<
"(" << i <<
")";
133 plotfile <<
"' center" << std::endl;
136 for (
int dim = 0; dim < 2; ++dim) {
137 if (geo.corner(i)[dim] < min_coord[dim])
138 min_coord[dim] = geo.corner(i)[dim];
139 else if (geo.corner(i)[dim] > max_coord[dim])
140 max_coord[dim] = geo.corner(i)[dim];
147 const auto& intersection = *is;
148 auto igeo = intersection.geometry();
151 draw_line (plotfile, igeo.corner(0), igeo.corner(1),
"fs empty border 1");
154 if (local_intersection_indices) {
155 auto label_pos = centrify (geo, igeo.center(), 0.8);
156 plotfile <<
"set label at " << label_pos[0] <<
"," << label_pos[1]
157 <<
" '" << intersection.indexInInside() <<
"' center" << std::endl;
162 auto intersection_pos = igeo.center();
163 auto normal = intersection.centerUnitOuterNormal();
164 normal *= 0.15 * igeo.volume();
165 auto normal_end = intersection_pos + normal;
166 plotfile <<
"set arrow from " << intersection_pos[0] <<
"," << intersection_pos[1]
167 <<
" to " << normal_end[0] <<
"," << normal_end[1] <<
" lt rgb \"gray\"" << std::endl;
171 auto inner_corner1 = centrify (geo, igeo.corner(0), 0.5);
172 auto inner_corner2 = centrify (geo, igeo.corner(1), 0.5);
175 if (intersection.boundary())
176 draw_line (plotfile, inner_corner1, inner_corner2,
"fs empty border 3 lw 4");
179 if (intersection.neighbor())
180 draw_line (plotfile, inner_corner1, inner_corner2,
"fs empty border 2");
182 draw_line (plotfile, inner_corner1, inner_corner2,
"fs empty border 1");
188 Dune::FieldVector<typename GridType::ctype,2> extend (max_coord - min_coord);
193 plotfile <<
"plot [" << min_coord[0] <<
":" << max_coord[0] <<
"] [" << min_coord[1]
194 <<
":" << max_coord[1] <<
"] NaN notitle" << std::endl;
198 std::string cmd =
"gnuplot -p '" + plot_file_name +
"'";
199 if (std::system (cmd.c_str()) != 0)
200 DUNE_THROW(Dune::Exception,
"Error running GNUPlot: " << cmd);
Mapper for multiple codim and multiple geometry types.
MCMGLayout mcmgElementLayout()
layout for elements (codim-0 entities)
Definition: mcmgmapper.hh:97
MCMGLayout mcmgVertexLayout()
layout for vertices (dim-0 entities)
Definition: mcmgmapper.hh:107
Include standard header files.
Definition: agrid.hh:60
void printGrid(const GridType &grid, const Dune::MPIHelper &helper, std::string output_file="printgrid", int size=2000, bool execute_plot=true, bool png=true, bool local_corner_indices=true, bool local_intersection_indices=true, bool outer_normals=true)
Print a grid as a gnuplot for testing and development.
Definition: printgrid.hh:73
GeometryType
Type representing VTK's entity geometry types.
Definition: common.hh:132
Mesh entities of codimension 0 ("elements") allow to visit all intersections with "neighboring" eleme...
Definition: common/intersectioniterator.hh:83
Mapper interface.
Definition: mapper.hh:110
Index index(const EntityType &e) const
Map entity to array index.
Definition: mapper.hh:122
Index subIndex(const typename G::Traits::template Codim< 0 >::Entity &e, int i, unsigned int codim) const
Map subentity i of codim cc of a codim 0 entity to array index.
Definition: mapper.hh:136
Implementation class for a multiple codim and multiple geometry type mapper.
Definition: mcmgmapper.hh:129