本文整理汇总了Python中vispy.util.transforms.rotate函数的典型用法代码示例。如果您正苦于以下问题：Python rotate函数的具体用法？Python rotate怎么用？Python rotate使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了rotate函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: on_timer
def on_timer(self, event):
self.theta += .11
self.phi += .13
self.model = np.dot(rotate(self.theta, (0, 0, 1)),
rotate(self.phi, (0, 1, 0)))
self.program['u_model'] = self.model
self.update()示例2: on_key_press
def on_key_press(self, event):
if event.text == 'k':
self.model = np.dot(rotate(0.5, (0, 1, 0)), self.model)
self.program['u_model'] = self.model
if event.text == 'h' :
self.theta -= .5
self.model = np.dot(rotate(-0.5, (0, 1, 0)), self.model)
self.program['u_model'] = self.model
if event.text == 'u' :
self.phi += .5
self.model = np.dot(rotate(0.5, (1, 0, 0)), self.model)
self.program['u_model'] = self.model
if event.text == 'j' :
self.phi -= .5
self.model = np.dot(rotate(-0.5, (1, 0, 0)), self.model)
self.program['u_model'] = self.model
if event.text == 'r':
self.phi = 0
self.theta = 0
self.model = np.eye(4, dtype=np.float32)
self.program['u_model'] = self.model
self.camera.onKeyPress(event)
self.camera.update()示例3: test_transforms
def test_transforms():
"""Test basic transforms"""
xfm = np.random.randn(4, 4).astype(np.float32)
for rot in [xrotate, yrotate, zrotate]:
new_xfm = rot(rot(xfm, 90), -90)
assert_allclose(xfm, new_xfm)
new_xfm = rotate(rotate(xfm, 90, 1, 0, 0), 90, -1, 0, 0)
assert_allclose(xfm, new_xfm)
new_xfm = translate(translate(xfm, 1, -1), 1, -1, 1)
assert_allclose(xfm, new_xfm)
new_xfm = scale(scale(xfm, 1, 2, 3), 1, 1. / 2., 1. / 3.)
assert_allclose(xfm, new_xfm)
# These could be more complex...
xfm = ortho(-1, 1, -1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))
xfm = frustum(-1, 1, -1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))
xfm = perspective(1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))示例4: update_matrices
def update_matrices(self):
self.view = translate((0, 0, -self.translate))
self.model = np.dot(rotate(self.theta, (1, 0, 0)), rotate(self.phi, (0, 1, 0)))
self.projection = np.eye(4, dtype=np.float32)
self.program["u_model"] = self.model
self.program["u_view"] = self.view
self.program["u_normal"] = np.linalg.inv(np.dot(self.view, self.model)).T示例5: on_timer
def on_timer(self, event):
self.theta += .005
self.phi += .005
self.model = rotate(self.phi, (0, 1, 0)) * rotate(self.theta, (0, 0, 1))
self.program['u_model'] = self.model
self.update()示例6: view
def view(self, z=5, theta=0.0, phi=0.0):
""" change the zoom factor and view point """
self.program['u_view'] = translate((0, 0, -self.z))
model = np.dot(rotate(self.theta, (0, 1, 0)),
rotate(self.phi, (0, 0, 1)))
self.program['u_model'] = model
self.update()示例7: test_transforms
def test_transforms():
"""Test basic transforms"""
xfm = np.random.randn(4, 4).astype(np.float32)
# Do a series of rotations that should end up into the same orientation
# again, to ensure the order of computation is all correct
# i.e. if rotated would return the transposed matrix this would not work
# out (the translation part would be incorrect)
new_xfm = xfm.dot(rotate(180, (1, 0, 0)).dot(rotate(-90, (0, 1, 0))))
new_xfm = new_xfm.dot(rotate(90, (0, 0, 1)).dot(rotate(90, (0, 1, 0))))
new_xfm = new_xfm.dot(rotate(90, (1, 0, 0)))
assert_allclose(xfm, new_xfm)
new_xfm = translate((1, -1, 1)).dot(translate((-1, 1, -1))).dot(xfm)
assert_allclose(xfm, new_xfm)
new_xfm = scale((1, 2, 3)).dot(scale((1, 1. / 2., 1. / 3.))).dot(xfm)
assert_allclose(xfm, new_xfm)
# These could be more complex...
xfm = ortho(-1, 1, -1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))
xfm = frustum(-1, 1, -1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))
xfm = perspective(1, 1, -1, 1)
assert_equal(xfm.shape, (4, 4))示例8: update_transforms
def update_transforms(self, event):
self.theta += .5
self.phi += .5
self.model = np.dot(rotate(self.theta, (0, 0, 1)),
rotate(self.phi, (0, 1, 0)))
self.program['u_model'] = self.model
self.update()示例9: update_transforms
def update_transforms(self, event):
self.theta += 0.5
self.phi += 0.5
self.model = np.eye(4, dtype=np.float32)
rotate(self.model, self.theta, 0, 0, 1)
rotate(self.model, self.phi, 0, 1, 0)
self.program["u_model"] = self.model
self.update()示例10: on_timer
def on_timer(self, event):
self.theta += .5
self.phi += .5
model = np.eye(4, dtype=np.float32)
rotate(model, self.theta, 0, 0, 1)
rotate(model, self.phi, 0, 1, 0)
self.cube['model'] = model
self.update()示例11: on_timer
def on_timer(self, event):
self.theta += .5
self.phi += .5
self.model = np.eye(4, dtype=np.float32)
rotate(self.model, self.theta, 0, 0, 1)
rotate(self.model, self.phi, 0, 1, 0)
self.program['u_model'] = self.model
self.update()示例12: on_mouse_move
def on_mouse_move(self, event):
if event.is_dragging and event.button==1:
delta = .2*(event.pos - event.last_event.pos)
self.model = numpy.dot(self.model, rotate(delta[0], (0, 1, 0)))
self.model = numpy.dot(self.model, rotate(delta[1], (1, 0, 0)))
self.program['u_model'] = self.model
self.update()示例13: __init__
def __init__(self):
'''Map drawable - contains the goddamn map
'''
self.projection = np.eye(4)
self.view = np.eye(4)
self.model = scale(np.eye(4), 0.6)
orientation_vector = (0, 1, 0)
unit_orientation_angle = np.array(orientation_vector) / np.linalg.norm(orientation_vector)
rotate(self.model, -30, *unit_orientation_angle)
translate(self.model, -2.2, -2.4, -9)
height, width = 5.0, 5.0 # Meters
# Add texture coordinates
# Rectangle of height height
self.vertices = np.array([
[-width / 2, -height / 2, 0],
[ width / 2, -height / 2, 0],
[ width / 2, height / 2, 0],
[-width / 2, height / 2, 0],
], dtype=np.float32)
self.tex_coords = np.array([
[0, 1],
[1, 1],
[1, 0],
[0, 0],
], dtype=np.float32)
self.indices = IndexBuffer([
0, 1, 2,
2, 3, 0,
])
###### TESTING
self.position_lla = self.ecef2llh((738575.65, -5498374.10, 3136355.42))
###### TESTING
self.map, self.ranges = self.cache_map(self.position_lla[:2])
self.map, self.ranges = self.get_map(self.position_lla[:2])
self.program = Program(self.frame_vertex_shader, self.frame_frag_shader)
default_map_transform = np.eye(4)
self.program['vertex_position'] = self.vertices
self.program['default_texcoord'] = self.tex_coords
self.program['zoom'] = 1
self.program['view'] = self.view
self.program['model'] = self.model
self.program['projection'] = self.projection
self.program['map_transform'] = default_map_transform
self.program['map_center'] = self.position_lla[:2]
self.program['map_texture'] = self.map
self.program['corners'] = self.ranges
self.program['user_position'] = self.position_lla[:2]
self.program['hide'] = 0示例14: on_timer
def on_timer(self,event):
self.timer_t += self.timer_dt # keep track on the current time
self.theta += self.rotate_theta_speed
self.phi += self.rotate_phi_speed
self.model = np.eye(4, dtype=np.float32)
rotate(self.model, self.theta, 0,0,1)
rotate(self.model, self.phi, 0,1,0)
self.program['u_model'] = self.model
self.update()示例15: on_timer
def on_timer(self, event):
self.theta += .5
self.phi += .5
model = np.dot(rotate(self.theta, (0, 0, 1)),
rotate(self.phi, (0, 1, 0)))
normal = np.linalg.inv(np.dot(self.view, model)).T
self.program['u_model'] = model
self.program['u_normal'] = normal
self.update()