54 lines
1.3 KiB
Python
Executable File
54 lines
1.3 KiB
Python
Executable File
# Add the igl library to the modules search path
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import sys, os
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sys.path.insert(0, os.getcwd() + "/../")
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import igl
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V = igl.eigen.MatrixXd()
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F = igl.eigen.MatrixXi()
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V_uv = igl.eigen.MatrixXd()
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def key_down(viewer, key, modifier):
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if key == ord('1'):
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# Plot the 3D mesh
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viewer.data.set_mesh(V,F)
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viewer.core.align_camera_center(V,F)
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elif key == ord('2'):
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# Plot the mesh in 2D using the UV coordinates as vertex coordinates
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viewer.data.set_mesh(V_uv,F)
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viewer.core.align_camera_center(V_uv,F)
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viewer.data.compute_normals()
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return False
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# Load a mesh in OFF format
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igl.readOFF("../../tutorial/shared/camelhead.off", V, F)
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# Find the open boundary
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bnd = igl.eigen.MatrixXi()
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igl.boundary_loop(F,bnd)
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# Map the boundary to a circle, preserving edge proportions
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bnd_uv = igl.eigen.MatrixXd()
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igl.map_vertices_to_circle(V,bnd,bnd_uv)
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# Harmonic parametrization for the internal vertices
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igl.harmonic(V,F,bnd,bnd_uv,1,V_uv)
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# Scale UV to make the texture more clear
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V_uv *= 5;
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# Plot the mesh
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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_uv(V_uv)
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viewer.callback_key_down = key_down
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# Disable wireframe
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viewer.core.show_lines = False
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# Draw checkerboard texture
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viewer.core.show_texture = True
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# Launch the viewer
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viewer.launch()
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