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# the example is taken from https://fresnel.readthedocs.io/en/stable/examples/00-Basic-tutorials/00-Introduction.html
# image display is altered to use PIL
## generate image
import fresnel
scene = fresnel.Scene()
geometry = fresnel.geometry.Sphere(scene, N=8, radius=1.0)
geometry.position[:] = [[1,1,1],
[1,1,-1],
[1,-1,1],
[1,-1,-1],
[-1,1,1],
[-1,1,-1],
[-1,-1,1],
[-1,-1,-1]]
geometry.material = fresnel.material.Material(color=fresnel.color.linear([0.25,0.5,0.9]),
roughness=0.8)
scene.camera = fresnel.camera.Orthographic.fit(scene)
fresnel.preview(scene)
fresnel.preview(scene, anti_alias=False)
fresnel.pathtrace(scene)
fresnel.pathtrace(scene, light_samples=40)
out = fresnel.preview(scene)
print(out[:].shape)
print(out[:].dtype)
import PIL
image = PIL.Image.fromarray(out[:], mode='RGBA')
image.save('output.png')
image = PIL.Image.fromarray(out[:,:,0:3], mode='RGB')
image.save('output.jpeg')
## display image
from PIL import Image
im = Image.open('output.png')
im.show()
im = Image.open('output.jpeg')
im.show()
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