# Calculate emissions
self.cal.get_emissions()
# Compare with references
self.assertAlmostEqual(self.case.emis_tot, emis_tot_ref, places=3)
self.assertDictEqual(self.case.emis_dict, emis_dict_ref)
def test_get_computational_time_ratio(self):
'''Uses the KPI calculator to calculate the computational time ratio
and compares with references.
'''
# Reset test-case
self.case.reset()
# Advance three simulation steps to compute elapsed times
for _ in range(3):
self.case.advance(u={})
# Calculate computational time ratio
self.cal.get_computational_time_ratio()
# Compare with references
self.assertAlmostEqual(self.case.time_rat, time_rat_ref, places=3)
if __name__ == '__main__':
utilities.run_tests(os.path.basename(__file__))
m = mapnik.Map(10,10)
m.background = mapnik.Color('rgba(255,255,255,.5)')
m.background_image = '../data/images/yellow_half_trans.png'
im = mapnik.Image(m.width,m.height)
mapnik.render(m,im)
eq_(get_unique_colors(im),['rgba(255,255,85,191)'])
def test_background_image_with_alpha_and_background_color_against_composited_control():
m = mapnik.Map(10,10)
m.background = mapnik.Color('rgba(255,255,255,.5)')
m.background_image = '../data/images/yellow_half_trans.png'
im = mapnik.Image(m.width,m.height)
mapnik.render(m,im)
# create and composite the expected result
im1 = mapnik.Image(10,10)
im1.background = mapnik.Color('rgba(255,255,255,.5)')
im1.premultiply()
im2 = mapnik.Image(10,10)
im2.background = mapnik.Color('rgba(255,255,0,.5)')
im2.premultiply()
im1.composite(im2)
im1.demultiply()
# compare image rendered (compositing in `agg_renderer<T>::setup`)
# vs image composited via python bindings
raise Todo("looks like we need to investigate PNG rounding when saving")
eq_(get_unique_colors(im),get_unique_colors(im1))
if __name__ == "__main__":
setup()
run_tests(eval(x) for x in dir() if x.startswith("test_"))
im = mapnik.Image(m.width, m.height)
mapnik.render(m, im)
eq_(get_unique_colors(im), ['rgba(255,255,85,191)'])
def test_background_image_with_alpha_and_background_color_against_composited_control(
):
m = mapnik.Map(10, 10)
m.background = mapnik.Color('rgba(255,255,255,.5)')
m.background_image = '../data/images/yellow_half_trans.png'
im = mapnik.Image(m.width, m.height)
mapnik.render(m, im)
# create and composite the expected result
im1 = mapnik.Image(10, 10)
im1.background = mapnik.Color('rgba(255,255,255,.5)')
im1.premultiply()
im2 = mapnik.Image(10, 10)
im2.background = mapnik.Color('rgba(255,255,0,.5)')
im2.premultiply()
im1.composite(im2)
im1.demultiply()
# compare image rendered (compositing in `agg_renderer<T>::setup`)
# vs image composited via python bindings
raise Todo("looks like we need to investigate PNG rounding when saving")
eq_(get_unique_colors(im), get_unique_colors(im1))
if __name__ == "__main__":
setup()
run_tests(eval(x) for x in dir() if x.startswith("test_"))
