def on_key_press(event):
if event.text == '1':
for cam in cams:
flip = cam.flip
cam.flip = not flip[0], flip[1], flip[2]
elif event.text == '2':
for cam in cams:
flip = cam.flip
cam.flip = flip[0], not flip[1], flip[2]
elif event.text == '3':
for cam in cams:
flip = cam.flip
cam.flip = flip[0], flip[1], not flip[2]
elif event.text == '4':
up = next(ups)
print('up: ' + up)
for cam in cams:
cam.up = up
if event.text == '5':
cam_toggle = {cam1: cam2, cam2: cam3, cam3: cam4, cam4: cam1}
view.camera = cam_toggle.get(view.camera, cam2)
print(view.camera.name + ' camera')
elif event.text == '0':
for cam in cams:
cam.set_range()
def __init__(self):
vispy.scene.SceneCanvas.__init__(self, keys='interactive',
size=(400, 200), show=True)
# Create a visual that updates the line with different colormaps
color = next(colormaps)
self.line = visuals.Line(pos=pos, color=color, mode='gl')
self.line.transform = STTransform(translate=[0, 140])
# redraw the canvas if the visual requests an update
self.line.parent = self.central_widget
self.text = visuals.Text(color, bold=True, font_size=24, color='w',
pos=(200, 40), parent=self.central_widget)
self._timer = app.Timer(2.0, connect=self.on_timer, start=True)
def on_key_press(event):
if event.text == "1":
for cam in cams:
flip = cam.flip
cam.flip = not flip[0], flip[1], flip[2]
elif event.text == "2":
for cam in cams:
flip = cam.flip
cam.flip = flip[0], not flip[1], flip[2]
elif event.text == "3":
for cam in cams:
flip = cam.flip
cam.flip = flip[0], flip[1], not flip[2]
elif event.text == "4":
up = next(ups)
print("up: " + up)
for cam in cams:
cam.up = up
if event.text == "5":
cam_toggle = {cam1: cam2, cam2: cam3, cam3: cam4, cam4: cam1}
view.camera = cam_toggle.get(view.camera, "fly")
elif event.text == "0":
for cam in cams:
cam.set_range()
def update(event):
global n
for i in range(n_buses):
bus = busses[i]
bus_repr = bus_representations[i]
bus_position = bus_positions[i]
try:
x, v = next(bus_position)
new_color = citymap.color_from_position(x)
bus_repr.repr.color = new_color
# adapt the direction and position of the bus
bus_repr.translate_rotate((x[0], x[1]), bus.phi / 2 / np.pi * 360)
except StopIteration:
random_x = np.random.random(2) * np.array(citymap.size)
bus_positions[i] = bus.drive(random_x, dt=0.1)
x = bus.position
citymap.canvas.update()
#image = citymap.canvas.render()
#vispy.io.write_png('movie/shot{0}.png'.format(n), image)
n += 1
def on_timer(event):
global colormaps, line, text, pos
color = next(colormaps)
line.set_data(pos=pos, color=color)
text.text = color
from vispy.visuals.transforms import STTransform
from vispy.ext.six import next
colormaps = itertools.cycle(get_colormaps())
# vertex positions of data to draw
N = 200
pos = np.zeros((N, 2), dtype=np.float32)
pos[:, 0] = np.linspace(10, 390, N)
pos[:, 1] = np.random.normal(size=N, scale=20, loc=0)
canvas = scene.SceneCanvas(keys='interactive', size=(400, 200), show=True)
# Create a visual that updates the line with different colormaps
color = next(colormaps)
line = scene.Line(pos=pos, color=color, method='gl')
line.transform = STTransform(translate=[0, 140])
line.parent = canvas.central_widget
text = scene.Text(color, bold=True, font_size=24, color='w',
pos=(200, 40), parent=canvas.central_widget)
def on_timer(event):
global colormaps, line, text, pos
color = next(colormaps)
line.set_data(pos=pos, color=color)
text.text = color
timer = app.Timer(.5, connect=on_timer, start=True)
def on_timer(event):
global colormaps, line, text, pos
color = next(colormaps)
line.set_data(pos=pos, color=color)
text.text = color
from vispy.color import colormaps
from vispy.visuals.transforms import STTransform
from vispy.ext.six import next
colormaps = itertools.cycle(colormaps)
# vertex positions of data to draw
N = 200
pos = np.zeros((N, 2), dtype=np.float32)
pos[:, 0] = np.linspace(10, 390, N)
pos[:, 1] = np.random.normal(size=N, scale=20, loc=0)
canvas = scene.SceneCanvas(keys='interactive', size=(400, 200), show=True)
# Create a visual that updates the line with different colormaps
color = next(colormaps)
line = scene.Line(pos=pos, color=color, mode='gl')
line.transform = STTransform(translate=[0, 140])
line.parent = canvas.central_widget
text = scene.Text(color,
bold=True,
font_size=24,
color='w',
pos=(200, 40),
parent=canvas.central_widget)
def on_timer(event):
global colormaps, line, text, pos
color = next(colormaps)
def on_timer(self, event):
color = next(colormaps)
self.line.set_data(pos=pos, color=color)
self.text.text = color
self.update()
