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cubes.py
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cubes.py
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import numpy as np
import pyln
def main():
pyln.utility.compile_numba()
# create a scene and add a bunch of cubes
scene = pyln.Scene()
for x in np.arange(-2, 2, 1):
for y in np.arange(-2, 2, 1):
z = np.random.random()
vector = np.array([x, y, z], dtype=np.float64)
scene.add(pyln.Cube(vector - 0.5, vector + 0.5))
# define camera parameters
eye = [6.0, 5.0, 3.0] # camera position
center = [0.0, 0.0, 0.0] # camera looks at
up = [0.0, 0.0, 1.0] # up direction
# define rendering parameters
width = 1920 # rendered width
height = 1200 # rendered height
fovy = 30.0 # vertical field of view, degrees
znear = 0.1 # near z plane
zfar = 100.0 # far z plane
step = 0.01 # how finely to chop the paths for visibility testing
# compute 2D paths that depict the 3D scene
paths = scene.render(eye, center, up, width, height, fovy, znear, zfar, step)
# save results
paths.write_to_svg(
"examples/images/cubes.svg", width, height, background_color="white"
)
if __name__ == "__main__":
main()