Daniele Panozzo
6489e6770c
# Conflicts: # include/igl/integrable_polyvector_fields.h # include/igl/polyvector_field_matchings.cpp # tutorial/507_PolyVectorField/CMakeLists.txt # tutorial/507_PolyVectorField/main.cpp # tutorial/508_ConjugateField/CMakeLists.txt # tutorial/508_ConjugateField/main.cpp # tutorial/510_Integrable/CMakeLists.txt # tutorial/510_Integrable/main.cpp # tutorial/511_PolyVectorFieldGeneral/CMakeLists.txt # tutorial/511_PolyVectorFieldGeneral/main.cpp # tutorial/709_VectorFieldVisualizer/CMakeLists.txt # tutorial/709_VectorFieldVisualizer/main.cpp # tutorial/tutorial.md
117 lines
3.6 KiB
C++
Executable File
117 lines
3.6 KiB
C++
Executable File
#include <igl/avg_edge_length.h>
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#include <igl/barycenter.h>
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#include <igl/jet.h>
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#include <igl/planarize_quad_mesh.h>
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#include <igl/quad_planarity.h>
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#include <igl/readDMAT.h>
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#include <igl/readOFF.h>
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#include <igl/slice.h>
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#include <igl/opengl/glfw/Viewer.h>
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#include <vector>
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#include <cstdlib>
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#include "tutorial_shared_path.h"
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// Quad mesh generated from conjugate field
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Eigen::MatrixXd VQC;
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Eigen::MatrixXi FQC;
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Eigen::MatrixXi FQCtri;
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Eigen::MatrixXd PQC0, PQC1, PQC2, PQC3;
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// Planarized quad mesh
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Eigen::MatrixXd VQCplan;
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Eigen::MatrixXi FQCtriplan;
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Eigen::MatrixXd PQC0plan, PQC1plan, PQC2plan, PQC3plan;
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// Scale for visualizing the fields
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double global_scale; //TODO: not used
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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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using namespace std;
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using namespace Eigen;
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// Plot the original quad mesh
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if (key == '1')
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{
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// Draw the triangulated quad mesh
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viewer.data().set_mesh(VQC, FQCtri);
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// Assign a color to each quad that corresponds to its planarity
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VectorXd planarity;
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igl::quad_planarity( VQC, FQC, planarity);
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MatrixXd Ct;
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igl::jet(planarity, 0, 0.01, Ct);
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MatrixXd C(FQCtri.rows(),3);
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C << Ct, Ct;
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viewer.data().set_colors(C);
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// Plot a line for each edge of the quad mesh
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viewer.data().add_edges(PQC0, PQC1, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC1, PQC2, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC2, PQC3, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC3, PQC0, Eigen::RowVector3d(0,0,0));
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}
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// Plot the planarized quad mesh
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if (key == '2')
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{
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// Draw the triangulated quad mesh
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viewer.data().set_mesh(VQCplan, FQCtri);
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// Assign a color to each quad that corresponds to its planarity
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VectorXd planarity;
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igl::quad_planarity( VQCplan, FQC, planarity);
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MatrixXd Ct;
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igl::jet(planarity, 0, 0.01, Ct);
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MatrixXd C(FQCtri.rows(),3);
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C << Ct, Ct;
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viewer.data().set_colors(C);
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// Plot a line for each edge of the quad mesh
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viewer.data().add_edges(PQC0plan, PQC1plan, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC1plan, PQC2plan, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC2plan, PQC3plan, Eigen::RowVector3d(0,0,0));
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viewer.data().add_edges(PQC3plan, PQC0plan, Eigen::RowVector3d(0,0,0));
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}
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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 quad mesh generated by a conjugate field
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igl::readOFF(TUTORIAL_SHARED_PATH "/inspired_mesh_quads_Conjugate.off", VQC, FQC);
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// Convert it in a triangle mesh
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FQCtri.resize(2*FQC.rows(), 3);
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FQCtri << FQC.col(0),FQC.col(1),FQC.col(2),
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FQC.col(2),FQC.col(3),FQC.col(0);
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igl::slice( VQC, FQC.col(0).eval(), 1, PQC0);
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igl::slice( VQC, FQC.col(1).eval(), 1, PQC1);
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igl::slice( VQC, FQC.col(2).eval(), 1, PQC2);
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igl::slice( VQC, FQC.col(3).eval(), 1, PQC3);
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// Planarize it
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igl::planarize_quad_mesh(VQC, FQC, 100, 0.005, VQCplan);
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// Convert the planarized mesh to triangles
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igl::slice( VQCplan, FQC.col(0).eval(), 1, PQC0plan);
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igl::slice( VQCplan, FQC.col(1).eval(), 1, PQC1plan);
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igl::slice( VQCplan, FQC.col(2).eval(), 1, PQC2plan);
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igl::slice( VQCplan, FQC.col(3).eval(), 1, PQC3plan);
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// Launch the viewer
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igl::opengl::glfw::Viewer viewer;
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key_down(viewer,'2',0);
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viewer.data().invert_normals = true;
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viewer.data().show_lines = false;
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viewer.callback_key_down = &key_down;
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viewer.launch();
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}
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