Alec Jacobson
f3f7879364
* split up 406; cmake
* split up 716
* rm old file
* 716 changes to main
* 709 split up
* missing include
* special syntax for windows ❄️
* stupid windows struct/class
* split up 805
* split up 610)'
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
#include "param_2d_demo_iter.h"
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#include "check_mesh_for_issues.h"
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#include <igl/read_triangle_mesh.h>
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#include <igl/opengl/glfw/Viewer.h>
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#include <igl/flipped_triangles.h>
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#include <igl/MappingEnergyType.h>
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#include <igl/harmonic.h>
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#include <igl/map_vertices_to_circle.h>
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#include <igl/boundary_loop.h>
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#include <igl/slim.h>
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#include <igl/Timer.h>
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void param_2d_demo_iter(
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Eigen::MatrixXd & V,
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Eigen::MatrixXi & F,
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double & uv_scale_param,
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bool & first_iter,
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igl::SLIMData& sData,
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igl::Timer & timer,
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igl::opengl::glfw::Viewer& viewer)
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{
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using namespace std;
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if (first_iter) {
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timer.start();
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igl::read_triangle_mesh(TUTORIAL_SHARED_PATH "/face.obj", V, F);
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check_mesh_for_issues(V,F);
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cout << "\tMesh is valid!" << endl;
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Eigen::MatrixXd uv_init;
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Eigen::VectorXi bnd; Eigen::MatrixXd bnd_uv;
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igl::boundary_loop(F,bnd);
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igl::map_vertices_to_circle(V,bnd,bnd_uv);
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igl::harmonic(V,F,bnd,bnd_uv,1,uv_init);
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if (igl::flipped_triangles(uv_init,F).size() != 0) {
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igl::harmonic(F,bnd,bnd_uv,1,uv_init); // use uniform laplacian
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}
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cout << "initialized parametrization" << endl;
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sData.slim_energy = igl::MappingEnergyType::SYMMETRIC_DIRICHLET;
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Eigen::VectorXi b; Eigen::MatrixXd bc;
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slim_precompute(V,F,uv_init,sData, igl::MappingEnergyType::SYMMETRIC_DIRICHLET, b,bc,0);
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uv_scale_param = 15 * (1./sqrt(sData.mesh_area));
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viewer.data().set_mesh(V, F);
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viewer.core().align_camera_center(V,F);
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viewer.data().set_uv(sData.V_o*uv_scale_param);
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viewer.data().compute_normals();
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viewer.data().show_texture = true;
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first_iter = false;
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} else {
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timer.start();
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slim_solve(sData,1); // 1 iter
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viewer.data().set_uv(sData.V_o*uv_scale_param);
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}
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cout << "time = " << timer.getElapsedTime() << endl;
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cout << "energy = " << sData.energy << endl;
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}
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