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import numpy
import matplotlib.pyplot as plt
from firmament import Renderer
from firmament.planets import earth
config = {
'size_x': 1000,
'size_y': 1000,
'ray_samples': 16,
'light_samples': 8,
'exposure': 2.0,
'zoom': 2.5,
'eye_pos': numpy.array([0, -3, 1.1]),
'eye_dir': numpy.array([0, 1, -0.35])
}
sun_range = (0, 360, 10)
renderer = Renderer(config, earth)
for i in numpy.arange(*sun_range):
sun = (numpy.cos(i*2*numpy.pi/360), numpy.sin(i*2*numpy.pi/360), 0)
print(sun)
np_picture = renderer.render_pinhole(sun)
plt.imsave("bluedot_%05.1f.png" % i, np_picture, origin='lower')
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