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igl/tutorial/104_Colors/main.cpp
T

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594 B
C++
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#include <igl/readOFF.h>
#include <igl/viewer/Viewer.h>
#include <igl/jet.h>
Eigen::MatrixXd V;
Eigen::MatrixXi F;
Eigen::MatrixXd C;
int main(int argc, char *argv[])
{
// Load a mesh in OFF format
igl::readOFF("../shared/screwdriver.off", V, F);
// Plot the mesh
igl::Viewer viewer;
viewer.set_mesh(V, F);
// Use the x coordinate as a scalar field over the surface
Eigen::VectorXd Z = V.col(2);
// Compute per-vertex colors
igl::jet(Z,true,C);
// Add per-vertex colors
viewer.set_colors(C);
// Launch the viewer
viewer.launch();
}