45 lines
963 B
Python
45 lines
963 B
Python
import sys, os
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# Add the igl library to the modules search path
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sys.path.insert(0, os.getcwd() + "/../")
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import pyigl as igl
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from shared import TUTORIAL_SHARED_PATH, check_dependencies
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dependencies = ["viewer"]
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check_dependencies(dependencies)
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V = igl.eigen.MatrixXd()
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F = igl.eigen.MatrixXi()
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igl.readOFF(TUTORIAL_SHARED_PATH + "decimated-knight.off", V, F)
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# Sort barycenters lexicographically
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BC = igl.eigen.MatrixXd()
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sorted_BC = igl.eigen.MatrixXd()
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igl.barycenter(V, F, BC)
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I = igl.eigen.MatrixXi()
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J = igl.eigen.MatrixXi()
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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(), 1)
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# J(I) = 1:numel(I)
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igl.slice_into(igl.coloni(0, I.size() - 1), I, J)
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# Pseudo-color based on sorted place
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C = igl.eigen.MatrixXd()
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igl.jet(J.castdouble(), True, C)
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# Plot the mesh with pseudocolors
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viewer = 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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