def test_assign_points_to_layers(self):
"""
Should determine what layers a series of points are in
"""
pi = []
for path in self.raypaths:
_path = np.asarray(path)
_pi = assign_points_to_layers(self.vm, _path[:, 0], _path[:, 1], _path[:, 2])
pi.append(_pi)
for i0, i1 in zip(_path[:, 3], _pi):
self.assertEqual(i0, i1)
if PLOT:
fig = plt.figure()
ax = fig.add_subplot(111)
y0 = 50
vm = self.vm.slice_along_xy_line(self.vm.x, y0 * np.ones(self.vm.nx))
vm.plot(ax=ax, show_grid=True)
for i in range(len(pi)):
path = np.asarray(self.raypaths[i])
ax.plot(path[:, 0], path[:, 2], "-c")
ax.scatter(path[:, 0], path[:, 2], c=pi[i], s=50)
plt.title("test_assign_points_to_layers: nodes colored by layer")
plt.show()
def test_get_points_in_layer(self):
"""
Should return points within a layer
"""
for path in self.raypaths:
for ilyr in range(self.vm.nr):
_path = np.asarray(path)
px, py, pz = _path[:, 0], _path[:, 1], _path[:, 2]
d, u = split_downup(px, py, pz)
for p in [d, u]:
px, py, pz = p[:, 0], p[:, 1], p[:, 2]
pi = assign_points_to_layers(self.vm, px, py, pz)
pi0 = np.nonzero(pi == ilyr)[0]
# should only return points that fall within a layer
px1, py1, pz1, pi1 = get_points_in_layer(self.vm, ilyr, px, py, pz, overlap=False)
self.assertEqual(len(pi0), len(px1))
self.assertEqual(len(pi0), len(py1))
self.assertEqual(len(pi0), len(pz1))
self.assertEqual(len(pi0), len(pi1))
# should include neighboring points
px2, py2, pz2, pi2 = get_points_in_layer(self.vm, ilyr, px, py, pz, overlap=True)
self.assertGreaterEqual(len(px2), len(px1))
self.assertGreaterEqual(len(py2), len(py1))
self.assertGreaterEqual(len(pz2), len(pz1))
self.assertGreaterEqual(len(pi2), len(pi1))
# should be empty or have more than 1 point
self.assertNotEqual(len(px2), 1)
self.assertNotEqual(len(py2), 1)
self.assertNotEqual(len(pz2), 1)
self.assertNotEqual(len(pi2), 1)
if PLOT:
fig = plt.figure()
ax = fig.add_subplot(111)
self.vm.plot(ax=ax)
# ax.scatter(px, pz, c=pi, marker='.', s=30, zorder=0)
ax.plot(px, pz, ".-k", lw=5, zorder=1)
ax.plot(px1, pz1, ".-m", lw=4, zorder=2)
ax.plot(px2, pz2, ".-c", lw=1, zorder=3)
plt.title("test_get_points_in_layer: ilyr={:}".format(ilyr))
plt.show()
def test__trim_path_to_layer(self):
"""
Should trim a pre-processed path to single layer
"""
# path that crosses layer 2
ray0 = [[1, 1, 1], [40, 1, 20], [80, 1, 40]]
# path that terminates in layer 2
ray1 = [[1, 1, 1], [40, 1, 20], [80, 1, 22]]
# path that starts in layer 2
ray2 = [[1, 1, 19], [40, 1, 20], [80, 1, 40]]
# path that starts and ends in layer 2
ray3 = [[1, 1, 19], [40, 1, 20], [80, 1, 22]]
for ray in [ray0, ray1, ray2, ray3]:
px = [r[0] for r in ray]
py = [r[1] for r in ray]
pz = [r[2] for r in ray]
if PLOT:
fig = plt.figure()
ax = fig.add_subplot(111)
self.vm.plot(ax=ax, show_grid=True)
ax.plot(px, pz, ".-g")
_trim_path_ends_to_layer(self.vm, px, py, pz)
pi = assign_points_to_layers(self.vm, px, py, pz)
for i in pi:
self.assertEqual(i, 2)
if PLOT:
ax.plot(px, pz, ".-m")
plt.show()
