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'''
PYMOL-802
Ray tracing is broken in 1.6.0
Solution: for edge sampling, if opaque background and result pixel
is not opaque, fill it in with the background color by interpolating
rgb values and setting alpha to 1
Test: as many combinations of settings for ray tracing to make sure alpha is correctly
set in all pixels
'''
import os
from pymol import cmd, CmdException, testing, stored
class TestPYMOL802(testing.PyMOLTestCase):
@testing.foreach((-1,'on',True), (1,'on',True), (0,'on',False), (-1,'off',False))
def test802(self, ray_opaque_background, opaque_background, trans_check):
cmd.load(self.datafile('1oky.pdb.gz'))
cmd.hide()
cmd.show('cartoon')
cmd.set('ray_opaque_background', ray_opaque_background)
cmd.set('opaque_background', opaque_background)
if trans_check:
self.assertImageHasNoTransparency(self.get_imagearray(width=100, height=100, ray=1))
else:
self.assertImageHasTransparency(self.get_imagearray(width=100, height=100, ray=1))
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