from tvtk.api import tvtk from tvtkfunc import ivtk_scene, event_loop s = tvtk.STLReader(file_name="python.stl") m = tvtk.PolyDataMapper(input_connection=s.output_port) a = tvtk.Actor(mapper=m) win = ivtk_scene(a) win.scene.isometric_view() event_loop()
sphere = tvtk.SphereSource(radius=0.02)
points3d = tvtk.Glyph3D()
points3d.set_source_connection(sphere.output_port)
points3d.set_input_data(poly)
# 绘制凸多面体的面，设置半透明度
m1 = tvtk.PolyDataMapper()
m1.set_input_data(poly)
a1 = tvtk.Actor(mapper=m1)
a1.property.opacity = 0.3
# 绘制凸多面体的边，设置为红色
m2 = tvtk.PolyDataMapper()
m2.set_input_data(poly)
a2 = tvtk.Actor(mapper=m2)
a2.property.representation = "wireframe"
a2.property.line_width = 2.0
a2.property.color = (1.0, 0, 0)
# 绘制凸多面体的顶点，设置为绿色
m3 = tvtk.PolyDataMapper(input_connection=points3d.output_port)
a3 = tvtk.Actor(mapper=m3)
a3.property.color = (0.0, 1.0, 0.0)
return [a1, a2, a3]
np.random.seed(42)
points3d = np.random.rand(40, 3)
ch3d = spatial.ConvexHull(points3d)
actors = convexhull(ch3d) # 定义convexhull的Actor
win = ivtk_scene(actors) # 场景用VTK绘制出来
win.scene.isometric_view()
event_loop()
