def test_affine_3d(self):
g2 = load_wkt('LINESTRING(2.4 4.1, 2.4 3, 3 3)')
g3 = load_wkt('LINESTRING(2.4 4.1 100.2, 2.4 3 132.8, 3 3 128.6)')
# custom scale and translate
matrix2d = (2, 0, 0, 2.5, -5, 4.1)
matrix3d = (2, 0, 0, 0, 2.5, 0, 0, 0, 0.3048, -5, 4.1, 100)
# Combinations of 2D and 3D geometries and matrices
a22 = transform.affine(g2, matrix2d)
a23 = transform.affine(g2, matrix3d)
a32 = transform.affine(g3, matrix2d)
a33 = transform.affine(g3, matrix3d)
# Check dimensions
self.assertFalse(a22.has_z)
self.assertFalse(a23.has_z)
self.assertTrue(a32.has_z)
self.assertTrue(a33.has_z)
# 2D equality checks
expected2d = load_wkt('LINESTRING(-0.2 14.35, -0.2 11.6, 1 11.6)')
expected3d = load_wkt('LINESTRING(-0.2 14.35 130.54096, '\
'-0.2 11.6 140.47744, 1 11.6 139.19728)')
expected32 = load_wkt('LINESTRING(-0.2 14.35 100.2, '\
'-0.2 11.6 132.8, 1 11.6 128.6)')
self.assertTrue(a22.almost_equals(expected2d))
self.assertTrue(a23.almost_equals(expected2d))
# Do explicit 3D check of coordinate values
for a, e in zip(a32.coords, expected32.coords):
for ap, ep in zip(a, e):
self.assertAlmostEqual(ap, ep)
for a, e in zip(a33.coords, expected3d.coords):
for ap, ep in zip(a, e):
self.assertAlmostEqual(ap, ep)
def test_geom(g2, g3=None):
self.assertFalse(g2.has_z)
a2 = transform.affine(g2, matrix2d)
self.assertFalse(a2.has_z)
self.assertTrue(g2.equals(a2))
if g3 is not None:
self.assertTrue(g3.has_z)
a3 = transform.affine(g3, matrix3d)
self.assertTrue(a3.has_z)
self.assertTrue(g3.equals(a3))
return
def test_geom(g2, g3=None):
self.assertFalse(g2.has_z)
a2 = transform.affine(g2, matrix2d)
self.assertFalse(a2.has_z)
self.assertTrue(g2.equals(a2))
if g3 is not None:
self.assertTrue(g3.has_z)
a3 = transform.affine(g3, matrix3d)
self.assertTrue(a3.has_z)
self.assertTrue(g3.equals(a3))
return
def test_affine_2d(self):
g = load_wkt('LINESTRING(2.4 4.1, 2.4 3, 3 3)')
# custom scale and translate
expected2d = load_wkt('LINESTRING(-0.2 14.35, -0.2 11.6, 1 11.6)')
matrix2d = (2, 0, 0, 2.5, -5, 4.1)
a2 = transform.affine(g, matrix2d)
self.assertTrue(a2.almost_equals(expected2d))
self.assertFalse(a2.has_z)
# Make sure a 3D matrix does not make a 3D shape from a 2D input
matrix3d = (2, 0, 0, 0, 2.5, 0, 0, 0, 10, -5, 4.1, 100)
a3 = transform.affine(g, matrix3d)
self.assertTrue(a3.almost_equals(expected2d))
self.assertFalse(a3.has_z)
def test_affine_2d(self):
g = load_wkt('LINESTRING(2.4 4.1, 2.4 3, 3 3)')
# custom scale and translate
expected2d = load_wkt('LINESTRING(-0.2 14.35, -0.2 11.6, 1 11.6)')
matrix2d = (2, 0,
0, 2.5,
-5, 4.1)
a2 = transform.affine(g, matrix2d)
self.assertTrue(a2.almost_equals(expected2d))
self.assertFalse(a2.has_z)
# Make sure a 3D matrix does not make a 3D shape from a 2D input
matrix3d = (2, 0, 0,
0, 2.5, 0,
0, 0, 10,
-5, 4.1, 100)
a3 = transform.affine(g, matrix3d)
self.assertTrue(a3.almost_equals(expected2d))
self.assertFalse(a3.has_z)
def test_affine_3d(self):
g2 = load_wkt('LINESTRING(2.4 4.1, 2.4 3, 3 3)')
g3 = load_wkt('LINESTRING(2.4 4.1 100.2, 2.4 3 132.8, 3 3 128.6)')
# custom scale and translate
matrix2d = (2, 0,
0, 2.5,
-5, 4.1)
matrix3d = (2, 0, 0,
0, 2.5, 0,
0, 0, 0.3048,
-5, 4.1, 100)
# Combinations of 2D and 3D geometries and matrices
a22 = transform.affine(g2, matrix2d)
a23 = transform.affine(g2, matrix3d)
a32 = transform.affine(g3, matrix2d)
a33 = transform.affine(g3, matrix3d)
# Check dimensions
self.assertFalse(a22.has_z)
self.assertFalse(a23.has_z)
self.assertTrue(a32.has_z)
self.assertTrue(a33.has_z)
# 2D equality checks
expected2d = load_wkt('LINESTRING(-0.2 14.35, -0.2 11.6, 1 11.6)')
expected3d = load_wkt('LINESTRING(-0.2 14.35 130.54096, '\
'-0.2 11.6 140.47744, 1 11.6 139.19728)')
expected32 = load_wkt('LINESTRING(-0.2 14.35 100.2, '\
'-0.2 11.6 132.8, 1 11.6 128.6)')
self.assertTrue(a22.almost_equals(expected2d))
self.assertTrue(a23.almost_equals(expected2d))
# Do explicit 3D check of coordinate values
for a, e in zip(a32.coords, expected32.coords):
for ap, ep in zip(a, e):
self.assertAlmostEqual(ap, ep)
for a, e in zip(a33.coords, expected3d.coords):
for ap, ep in zip(a, e):
self.assertAlmostEqual(ap, ep)
