def test_rand(self):
""" Test rand. """
img = CImg((100, 100))
img.rand(-2, 2)
val_min, val_max = img.min_max()
self.assertGreaterEqual(val_min, -2)
self.assertLessEqual(val_max, +2)
def test_cut(self):
""" Test cut. """
img = CImg((100, 100))
img.rand(-10, 10)
img.cut(0, 1)
max_val, min_val = img.max_min()
self.assertEqual(max_val, 1)
self.assertEqual(min_val, 0)
def test_normalize(self):
""" Test normalize. """
img = CImg((10, 10))
img.rand(-10, 10)
img.normalize(-5, 5)
min_val, max_val = img.min_max()
self.assertEqual(min_val, -5)
self.assertEqual(max_val, 5)
def test_save_png(self):
""" Test save png. """
img = CImg((100, 100), dtype=cimg.uint8)
img.rand(0, 255)
filename = self._get_testfilename() + '.png'
img.save_png(filename)
self.assertTrue(os.path.isfile(filename))
os.remove(filename)
def test_save_tiff(self):
""" Test save tiff. """
img = CImg((100, 100), dtype=cimg.uint8)
img.rand(0, 255)
filename = self._get_testfilename() + '.tiff'
img.save_tiff(filename,
compression_type=cimg.C_LZW,
voxel_size=0,
description="Test tiff")
self.assertTrue(os.path.isfile(filename))
os.remove(filename)