39 lines
938 B
C++
39 lines
938 B
C++
#include <igl/readOFF.h>
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#include <igl/slice_into.h>
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#include <igl/colon.h>
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#include <igl/sortrows.h>
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#include <igl/barycenter.h>
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#include <igl/jet.h>
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#include <igl/viewer/Viewer.h>
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#include <iostream>
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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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MatrixXd V;
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MatrixXi F;
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igl::readOFF("../shared/decimated-knight.off",V,F);
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// Sort barycenters lexicographically
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MatrixXd BC,sorted_BC;
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igl::barycenter(V,F,BC);
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VectorXi I,J;
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// sorted_BC = BC(I,:)
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igl::sortrows(BC,true,sorted_BC,I);
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// Get sorted "place" from sorted indices
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J.resize(I.rows());
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// J(I) = 1:numel(I)
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igl::slice_into(igl::colon<int>(0,I.size()-1),I,J);
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// Pseudo-color based on sorted place
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MatrixXd C;
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igl::jet(J,true,C);
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// Plot the mesh with pseudocolors
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igl::Viewer viewer;
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viewer.data.set_mesh(V, F);
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viewer.data.set_colors(C);
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viewer.launch();
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}
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