Surface normals wireframeΒΆ

Display a 3D mesh with normals and wireframe

surface normals wireframe

Out:

Downloading data from https://raw.githubusercontent.com/vispy/demo-data/main/orig/triceratops.obj.gz (141 kB)

[..................                      ] 45.52059 | downloading
[....................................    ] 91.04119 / downloading
[........................................] 100.00000 - downloading
File saved as /home/runner/.vispy/data/orig/triceratops.obj.gz.

from vispy.io import read_mesh, load_data_file
import napari


vert, faces, _, _ = read_mesh(load_data_file('orig/triceratops.obj.gz'))

# put the mesh right side up, scale it up (napari#3477) and fix faces handedness
vert *= -100
faces = faces[:, ::-1]

viewer = napari.Viewer(ndisplay=3)
surface = viewer.add_surface(data=(vert, faces))

# enable normals and wireframe
surface.normals.face.visible = True
surface.normals.vertex.visible = True
surface.wireframe.visible = True

if __name__ == '__main__':
    napari.run()

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