def test_proj_axes_cube_ortho():
E = np.array([200, 100, 100])
R = np.array([0, 0, 0])
V = np.array([0, 0, 1])
viewM = proj3d.view_transformation(E, R, V)
orthoM = proj3d.ortho_transformation(-1, 1)
M = np.dot(orthoM, viewM)
ts = '0 1 2 3 0 4 5 6 7 4'.split()
xs = np.array([0, 1, 1, 0, 0, 0, 1, 1, 0, 0]) * 100
ys = np.array([0, 0, 1, 1, 0, 0, 0, 1, 1, 0]) * 100
zs = np.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) * 100
txs, tys, tzs = proj3d.proj_transform(xs, ys, zs, M)
fig, ax = _test_proj_draw_axes(M, s=150)
ax.scatter(txs, tys, s=300 - tzs)
ax.plot(txs, tys, c='r')
for x, y, t in zip(txs, tys, ts):
ax.text(x, y, t)
ax.set_xlim(-200, 200)
ax.set_ylim(-200, 200)
def test_proj_axes_cube_ortho():
E = np.array([200, 100, 100])
R = np.array([0, 0, 0])
V = np.array([0, 0, 1])
viewM = proj3d.view_transformation(E, R, V)
orthoM = proj3d.ortho_transformation(-1, 1)
M = np.dot(orthoM, viewM)
ts = '0 1 2 3 0 4 5 6 7 4'.split()
xs = np.array([0, 1, 1, 0, 0, 0, 1, 1, 0, 0]) * 100
ys = np.array([0, 0, 1, 1, 0, 0, 0, 1, 1, 0]) * 100
zs = np.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1]) * 100
txs, tys, tzs = proj3d.proj_transform(xs, ys, zs, M)
fig, ax = _test_proj_draw_axes(M, s=150)
ax.scatter(txs, tys, s=300-tzs)
ax.plot(txs, tys, c='r')
for x, y, t in zip(txs, tys, ts):
ax.text(x, y, t)
ax.set_xlim(-200, 200)
ax.set_ylim(-200, 200)
