def main():
gracedir = '/Users/paul/github/hdr/GraceCathedral/'
workingdir = '/Users/paul/github/hdr/cw2/'
sampler = FPSampler(gracedir + 'grace_latlong.pfm')
for i in [64, 256, 1024]:
mc_samples = sampler.cdfSamples(i)
mc_sampled_image = sampler.applySamplesToImage(mc_samples)
mc_ppm = sampler.toPPM(mc_sampled_image)
writePFMFile(workingdir + 'grace_cdf' + str(i) + '.pfm', mc_sampled_image)
writePPMFile('grace_cdf_' + str(i) + '.ppm', mc_ppm)
for j in [1, 10, 50, 200]:
phong_samples = sampler.phongSamples(i, j)
phong_sampled_image = sampler.applySamplesToImage(phong_samples)
phong_ppm = sampler.toPPM(phong_sampled_image)
writePFMFile(workingdir + 'phong_' + str(i) + '_' + str(j) + '.pfm', phong_sampled_image)
writePPMFile('grace_phong_'+str(i)+'_'+str(j)+'.ppm', phong_ppm)
def test_writePPM(self):
d = np.random.uniform( size = (512, 1024, 3) )
dppm = imageIO.toPPM(d)
imageIO.writePFMFile( testdir + 'writing.ppm', dppm )
loadedData = imageIO.loadPFMFile( testdir + 'writing.ppm' )
self.assertTrue( np.array_equal( dppm, loadedData ) )
def test_writePFM(self):
d = np.random.uniform( size = (512, 1024, 3) )
imageIO.writePFMFile( testdir + 'writing.pfm', d )
loadedData = imageIO.loadPFMFile( testdir + 'writing.pfm' )
self.assertTrue( np.allclose( d, loadedData ) )