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- # Add the igl library to the modules search path
- import sys, os
- sys.path.insert(0, os.getcwd() + "/../")
- import pyigl as igl
- V = igl.eigen.MatrixXd()
- F = igl.eigen.MatrixXi()
- igl.readOFF("../../tutorial/shared/decimated-knight.off",V,F)
- # Sort barycenters lexicographically
- BC = igl.eigen.MatrixXd()
- sorted_BC = igl.eigen.MatrixXd()
- igl.barycenter(V,F,BC);
- I = igl.eigen.MatrixXi()
- J = igl.eigen.MatrixXi()
- # sorted_BC = BC(I,:)
- igl.sortrows(BC,True,sorted_BC,I)
- # Get sorted "place" from sorted indices
- J.resize(I.rows(),1)
- # J(I) = 1:numel(I)
- igl.slice_into(igl.coloni(0,I.size()-1),I,J)
- # Pseudo-color based on sorted place
- C = igl.eigen.MatrixXd()
- igl.jet(J.castdouble(),True,C)
- # Plot the mesh with pseudocolors
- viewer = igl.viewer.Viewer()
- viewer.data.set_mesh(V, F)
- viewer.data.set_colors(C)
- viewer.launch()
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