def test_deflate(self):
cb = Checkerboard()
param_vec = matrix([10,20], float).T
cb.inflate( param_vec )
result = cb.deflate()
print ""
print result
self.assertAlmostEqual(numpy.linalg.norm(result - param_vec), 0.0, 6)
def test_params_to_config(self):
cb = Checkerboard( {"corners_x": 2,
"corners_y": 3,
"spacing_x": 10,
"spacing_y": 20 } )
config = cb.params_to_config( matrix([5,6], float).T )
self.assertEquals( config["corners_x"], 2)
self.assertEquals( config["corners_y"], 3)
self.assertAlmostEquals( config["spacing_x"], 5, 6)
self.assertAlmostEquals( config["spacing_y"], 6, 6)
def test_generate_points(self):
cb = Checkerboard({"corners_x": 2,
"corners_y": 3,
"spacing_x": 10,
"spacing_y": 20 })
result = cb.generate_points()
expected = matrix( [ [ 0, 10, 0, 10, 0, 10],
[ 0, 0, 20, 20, 40, 40],
[ 0, 0, 0, 0, 0, 0],
[ 1, 1, 1, 1, 1, 1] ], float)
print ""
print result
self.assertAlmostEqual(numpy.linalg.norm(result - expected), 0.0, 6)
def test_init(self):
cb = Checkerboard( {"corners_x": 2,
"corners_y": 3,
"spacing_x": 10,
"spacing_y": 20 } )
self.assertEqual(cb._corners_x, 2)
self.assertEqual(cb._corners_y, 3)
self.assertEqual(cb._spacing_x, 10)
self.assertEqual(cb._spacing_y, 20)
def test_get_length(self):
cb = Checkerboard()
self.assertEqual(cb.get_length(), 2)