Janos95andJérémie Dumas
0f557400f9
* dont use floating point values to index eigen types * only cast doubles not the whole expression * add remaining casts * Update cast. Co-authored-by: Jérémie Dumas <jeremie.dumas@ens-lyon.org>
71 lines
1.5 KiB
C++
Executable File
71 lines
1.5 KiB
C++
Executable File
#include <igl/boundary_loop.h>
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#include <igl/readOFF.h>
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#include <igl/opengl/glfw/Viewer.h>
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#include <igl/lscm.h>
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#include "tutorial_shared_path.h"
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Eigen::MatrixXd V;
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Eigen::MatrixXi F;
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Eigen::MatrixXd V_uv;
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bool key_down(igl::opengl::glfw::Viewer& viewer, unsigned char key, int modifier)
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{
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if (key == '1')
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{
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// Plot the 3D mesh
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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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}
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else if (key == '2')
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{
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// Plot the mesh in 2D using the UV coordinates as vertex coordinates
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viewer.data().set_mesh(V_uv,F);
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viewer.core().align_camera_center(V_uv,F);
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}
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viewer.data().compute_normals();
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return false;
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}
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int main(int argc, char *argv[])
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{
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using namespace Eigen;
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using namespace std;
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// Load a mesh in OFF format
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igl::readOFF(TUTORIAL_SHARED_PATH "/camelhead.off", V, F);
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// Fix two points on the boundary
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VectorXi bnd,b(2,1);
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igl::boundary_loop(F,bnd);
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b(0) = bnd(0);
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b(1) = bnd(bnd.size()/2);
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MatrixXd bc(2,2);
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bc<<0,0,1,0;
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// LSCM parametrization
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igl::lscm(V,F,b,bc,V_uv);
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// Scale the uv
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V_uv *= 5;
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// Plot the mesh
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igl::opengl::glfw::Viewer viewer;
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viewer.data().set_mesh(V, F);
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viewer.data().set_uv(V_uv);
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viewer.callback_key_down = &key_down;
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// Disable wireframe
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viewer.data().show_lines = false;
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// Draw checkerboard texture
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viewer.data().show_texture = true;
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// Launch the viewer
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viewer.launch();
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}
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