72 lines
1.4 KiB
Python
Executable File
72 lines
1.4 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 pyigl as igl
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V = igl.eigen.MatrixXd()
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F = igl.eigen.MatrixXi()
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# Load a mesh in OFF format
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igl.readOFF("../../tutorial/shared/bunny.off", V, F)
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# Find the bounding box
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m = V.colwiseMinCoeff()
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M = V.colwiseMaxCoeff()
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# Corners of the bounding box
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V_box = igl.eigen.MatrixXd(
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[
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[m[0,0], m[0,1], m[0,2]],
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[M[0,0], m[0,1], m[0,2]],
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[M[0,0], M[0,1], m[0,2]],
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[m[0,0], M[0,1], m[0,2]],
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[m[0,0], m[0,1], M[0,2]],
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[M[0,0], m[0,1], M[0,2]],
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[M[0,0], M[0,1], M[0,2]],
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[m[0,0], M[0,1], M[0,2]]
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]
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)
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E_box = igl.eigen.MatrixXi(
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[
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[0, 1],
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[1, 2],
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[2, 3],
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[3, 0],
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[4, 5],
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[5, 6],
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[6, 7],
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[7, 4],
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[0, 4],
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[1, 5],
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[2, 6],
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[7 ,3]
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]
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)
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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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# Plot the corners of the bounding box as points
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viewer.data.add_points(V_box,igl.eigen.MatrixXd([[1,0,0]]))
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# Plot the edges of the bounding box
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for i in range(0,E_box.rows()):
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viewer.data.add_edges(
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V_box.row(E_box[i,0]),
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V_box.row(E_box[i,1]),
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igl.eigen.MatrixXd([[1,0,0]]))
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# Plot labels with the coordinates of bounding box vertices
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l1 = 'x: ' + str(m[0,0]) + ' y: ' + str(m[0,1]) + ' z: ' + str(m[0,2])
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viewer.data.add_label(m.transpose(),l1)
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l2 = 'x: ' + str(M[0,0]) + ' y: ' + str(M[0,1]) + ' z: ' + str(M[0,2])
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viewer.data.add_label(M.transpose(),l2)
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# Launch the viewer
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viewer.launch()
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