77 lines
1.7 KiB
Python
Executable File
77 lines
1.7 KiB
Python
Executable File
import sys, os
|
|
|
|
# Add the igl library to the modules search path
|
|
sys.path.insert(0, os.getcwd() + "/../")
|
|
import pyigl as igl
|
|
|
|
from shared import TUTORIAL_SHARED_PATH, check_dependencies
|
|
|
|
dependencies = ["viewer"]
|
|
check_dependencies(dependencies)
|
|
|
|
|
|
V = igl.eigen.MatrixXd()
|
|
F = igl.eigen.MatrixXi()
|
|
|
|
# Load a mesh in OFF format
|
|
igl.readOFF(TUTORIAL_SHARED_PATH + "bunny.off", V, F)
|
|
|
|
# Find the bounding box
|
|
m = V.colwiseMinCoeff()
|
|
M = V.colwiseMaxCoeff()
|
|
|
|
# Corners of the bounding box
|
|
V_box = igl.eigen.MatrixXd(
|
|
[
|
|
[m[0, 0], m[0, 1], m[0, 2]],
|
|
[M[0, 0], m[0, 1], m[0, 2]],
|
|
[M[0, 0], M[0, 1], m[0, 2]],
|
|
[m[0, 0], M[0, 1], m[0, 2]],
|
|
[m[0, 0], m[0, 1], M[0, 2]],
|
|
[M[0, 0], m[0, 1], M[0, 2]],
|
|
[M[0, 0], M[0, 1], M[0, 2]],
|
|
[m[0, 0], M[0, 1], M[0, 2]]
|
|
]
|
|
)
|
|
|
|
E_box = igl.eigen.MatrixXi(
|
|
[
|
|
[0, 1],
|
|
[1, 2],
|
|
[2, 3],
|
|
[3, 0],
|
|
[4, 5],
|
|
[5, 6],
|
|
[6, 7],
|
|
[7, 4],
|
|
[0, 4],
|
|
[1, 5],
|
|
[2, 6],
|
|
[7, 3]
|
|
]
|
|
)
|
|
|
|
# Plot the mesh
|
|
viewer = igl.viewer.Viewer()
|
|
viewer.data.set_mesh(V, F)
|
|
|
|
# Plot the corners of the bounding box as points
|
|
viewer.data.add_points(V_box, igl.eigen.MatrixXd([[1, 0, 0]]))
|
|
|
|
# Plot the edges of the bounding box
|
|
for i in range(0, E_box.rows()):
|
|
viewer.data.add_edges(
|
|
V_box.row(E_box[i, 0]),
|
|
V_box.row(E_box[i, 1]),
|
|
igl.eigen.MatrixXd([[1, 0, 0]]))
|
|
|
|
# Plot labels with the coordinates of bounding box vertices
|
|
l1 = 'x: ' + str(m[0, 0]) + ' y: ' + str(m[0, 1]) + ' z: ' + str(m[0, 2])
|
|
viewer.data.add_label(m.transpose(), l1)
|
|
|
|
l2 = 'x: ' + str(M[0, 0]) + ' y: ' + str(M[0, 1]) + ' z: ' + str(M[0, 2])
|
|
viewer.data.add_label(M.transpose(), l2)
|
|
|
|
# Launch the viewer
|
|
viewer.launch()
|