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Add new iterative authalic example

This commit is contained in:
Mael Rouxel-Labbé 2020-07-21 16:40:45 +02:00
parent b98cedc1b9
commit aa2bdbdb5e
4 changed files with 18 additions and 39 deletions
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1
Surface_mesh_parameterization/doc/Surface_mesh_parameterization/examples.txt
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@ -5,4 +5,5 @@
\example Surface_mesh_parameterization/seam_Polyhedron_3.cpp
\example Surface_mesh_parameterization/simple_parameterization.cpp
\example Surface_mesh_parameterization/square_border_parameterizer.cpp
\example Surface_mesh_parameterization/iterative_authalic_parameterizer.cpp
*/

6
Surface_mesh_parameterization/examples/Surface_mesh_parameterization/CMakeLists.txt
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@ -63,10 +63,8 @@ if ( CGAL_FOUND )
target_link_libraries(simple_parameterization PUBLIC CGAL::Eigen_support)
create_single_source_cgal_program( "square_border_parameterizer.cpp" )
target_link_libraries(square_border_parameterizer PUBLIC CGAL::Eigen_support)
create_single_source_cgal_program( "square_border_iterative_parameterizer.cpp" )
target_link_libraries(square_border_iterative_parameterizer PUBLIC CGAL::Eigen_support)
create_single_source_cgal_program( "compare_parameterization.cpp" )
target_link_libraries(compare_parameterization PUBLIC CGAL::Eigen_support)
create_single_source_cgal_program( "iterative_authalic_parameterizer.cpp" )
target_link_libraries(iterative_authalic_parameterizer PUBLIC CGAL::Eigen_support)
if(SuiteSparse_FOUND)
target_link_libraries(orbifold PRIVATE ${SuiteSparse_LIBRARIES})

21
Surface_mesh_parameterization/examples/Surface_mesh_parameterization/compare_parameterization.cpp
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@ -1,21 +0,0 @@
#include <cstdlib>
#include <iostream>
#include <fstream>
int main(int argc, char** argv)
{
std::string inputMesh = (argc>1) ? argv[1] : "data/mannequin-devil.off";
std::string bash;
int out;
bash = "./square_border_authalic_parameterizer " + inputMesh;
out = system(bash.c_str());
if (out == 0)
std::cout << "square_border_authalic_parameterizer output written in discrete_result.off\n";
bash = "./square_border_iterative_parameterizer " + inputMesh;
out = system(bash.c_str());
if (out == 0)
std::cout << "square_border_iterative_parameterizer output written in discrete_result.off\n";
}

29
Surface_mesh_parameterization/examples/Surface_mesh_parameterization/square_border_iterative_parameterizer.cpp → Surface_mesh_parameterization/examples/Surface_mesh_parameterization/iterative_authalic_parameterizer.cpp
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@ -1,11 +1,10 @@
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/Surface_mesh_parameterization/IO/File_off.h>
#include <CGAL/Surface_mesh_parameterization/Square_border_parameterizer_3.h>
#include <CGAL/Surface_mesh_parameterization/Circular_border_parameterizer_3.h>
#include <CGAL/Surface_mesh_parameterization/Iterative_authalic_parameterizer_3.h>
#include <CGAL/Surface_mesh_parameterization/Iterative_parameterize.h>
#include <CGAL/Polygon_mesh_processing/measure.h>
#include <CGAL/Unique_hash_map.h>
@ -19,8 +18,8 @@ typedef Kernel::Point_2 Point_2;
typedef Kernel::Point_3 Point_3;
typedef CGAL::Surface_mesh<Point_3> Surface_mesh;
typedef boost::graph_traits<Surface_mesh>::halfedge_descriptor halfedge_descriptor;
typedef boost::graph_traits<Surface_mesh>::vertex_descriptor vertex_descriptor;
typedef boost::graph_traits<Surface_mesh>::vertex_descriptor vertex_descriptor;
typedef boost::graph_traits<Surface_mesh>::halfedge_descriptor halfedge_descriptor;
typedef CGAL::Unique_hash_map<vertex_descriptor, Point_2> UV_uhm;
typedef boost::associative_property_map<UV_uhm> UV_pmap;
@ -30,9 +29,10 @@ namespace SMP = CGAL::Surface_mesh_parameterization;
int main(int argc, char** argv)
{
std::ifstream in((argc>1) ? argv[1] : "data/nefertiti.off");
if(!in){
if(!in)
{
std::cerr << "Error: problem loading the input data" << std::endl;
return 1;
return EXIT_FAILURE;
}
Surface_mesh sm;
@ -44,18 +44,19 @@ int main(int argc, char** argv)
UV_uhm uv_uhm;
UV_pmap uv_map(uv_uhm);
typedef SMP::Square_border_arc_length_parameterizer_3<Surface_mesh> Border_parameterizer;
typedef SMP::Circular_border_arc_length_parameterizer_3<Surface_mesh> Border_parameterizer;
Border_parameterizer border_parameterizer; // the border parameterizer will automatically compute the corner vertices
typedef SMP::Iterative_authalic_parameterizer_3<Surface_mesh, Border_parameterizer> Parameterizer;
Parameterizer parameterizer(border_parameterizer);
Border_parameterizer border_param; // the border parameterizer will compute the corner vertices
const int iterations = (argc > 2) ? std::atoi(argv[2]) : 15;
SMP::Error_code err = parameterizer.parameterize(sm, bhd, uv_map, iterations);
int iterations = 15;
double error;
SMP::Error_code err = SMP::parameterize(sm, Parameterizer(border_param), bhd, uv_map, iterations, error);
if(err != SMP::OK) {
if(err != SMP::OK)
{
std::cerr << "Error: " << SMP::get_error_message(err) << std::endl;
return 1;
return EXIT_FAILURE;
}
std::ofstream out("iterative_result.off");