def test_timer():
""" Testing add a timer and exit window and app from inside timer.
"""
xyzr = np.array([[0, 0, 0, 10], [100, 0, 0, 50], [300, 0, 0, 100]])
xyzr2 = np.array([[0, 200, 0, 30], [100, 200, 0, 50], [300, 200, 0, 100]])
colors = np.array([[1, 0, 0, 0.3], [0, 1, 0, 0.4], [0, 0, 1., 0.45]])
renderer = window.Renderer()
global sphere_actor, tb, cnt
sphere_actor = actor.sphere(centers=xyzr[:, :3], colors=colors[:],
radii=xyzr[:, 3])
sphere = get_sphere('repulsion724')
sphere_actor2 = actor.sphere(centers=xyzr2[:, :3], colors=colors[:],
radii=xyzr2[:, 3], vertices=sphere.vertices,
faces=sphere.faces.astype('i8'))
renderer.add(sphere_actor)
renderer.add(sphere_actor2)
tb = ui.TextBlock2D()
cnt = 0
global showm
showm = window.ShowManager(renderer,
size=(1024, 768), reset_camera=False,
order_transparent=True)
showm.initialize()
def timer_callback(obj, event):
global cnt, sphere_actor, showm, tb
cnt += 1
tb.message = "Let's count to 10 and exit :" + str(cnt)
showm.render()
if cnt > 9:
showm.exit()
renderer.add(tb)
# Run every 200 milliseconds
showm.add_timer_callback(True, 200, timer_callback)
showm.start()
arr = window.snapshot(renderer)
npt.assert_(np.sum(arr) > 0)
def test_timer():
""" Testing add a timer and exit window and app from inside timer.
"""
xyzr = np.array([[0, 0, 0, 10], [100, 0, 0, 50], [300, 0, 0, 100]])
xyzr2 = np.array([[0, 200, 0, 30], [100, 200, 0, 50], [300, 200, 0, 100]])
colors = np.array([[1, 0, 0, 0.3], [0, 1, 0, 0.4], [0, 0, 1., 0.45]])
renderer = window.Renderer()
global sphere_actor, tb, cnt
sphere_actor = actor.sphere(centers=xyzr[:, :3], colors=colors[:],
radii=xyzr[:, 3])
sphere = get_sphere('repulsion724')
sphere_actor2 = actor.sphere(centers=xyzr2[:, :3], colors=colors[:],
radii=xyzr2[:, 3], vertices=sphere.vertices,
faces=sphere.faces.astype('i8'))
renderer.add(sphere_actor)
renderer.add(sphere_actor2)
tb = ui.TextBlock2D()
cnt = 0
global showm
showm = window.ShowManager(renderer,
size=(1024, 768), reset_camera=False,
order_transparent=True)
showm.initialize()
def timer_callback(obj, event):
global cnt, sphere_actor, showm, tb
cnt += 1
tb.message = "Let's count to 10 and exit :" + str(cnt)
showm.render()
if cnt > 9:
showm.exit()
renderer.add(tb)
# Run every 200 milliseconds
showm.add_timer_callback(True, 200, timer_callback)
showm.start()
arr = window.snapshot(renderer)
npt.assert_(np.sum(arr) > 0)
def test_scene(self):
xyz = 10 * np.random.rand(100, 3)
colors = np.random.rand(100, 4)
radii = np.random.rand(100) + 0.5
sphere_actor = actor.sphere(centers=xyz, colors=colors, radii=radii)
scene = window.Scene()
scene.add(sphere_actor)
self.assertEqual((0, 0), scene.GetSize())
def test_spheres(interactive=False):
xyzr = np.array([[0, 0, 0, 10], [100, 0, 0, 25], [200, 0, 0, 50]])
colors = np.array([[1, 0, 0, 0.3], [0, 1, 0, 0.4], [0, 0, 1., 0.99]])
renderer = window.Renderer()
sphere_actor = actor.sphere(centers=xyzr[:, :3],
colors=colors[:],
radii=xyzr[:, 3])
renderer.add(sphere_actor)
if interactive:
window.show(renderer, order_transparent=True)
arr = window.snapshot(renderer)
report = window.analyze_snapshot(arr, colors=colors)
npt.assert_equal(report.objects, 3)
The timer will call this user defined callback every 200 milliseconds. The
application will exit after the callback has been called 100 times.
"""
import numpy as np
from dipy.viz import window, actor, ui
import itertools
xyz = 10 * np.random.rand(100, 3)
colors = np.random.rand(100, 4)
radii = np.random.rand(100) + 0.5
renderer = window.Renderer()
sphere_actor = actor.sphere(centers=xyz, colors=colors, radii=radii)
renderer.add(sphere_actor)
showm = window.ShowManager(renderer,
size=(900, 768),
reset_camera=False,
order_transparent=True)
showm.initialize()
tb = ui.TextBlock2D(bold=True)
# use itertools to avoid global variables
counter = itertools.count()
application will exit after the callback has been called 100 times.
"""
import numpy as np
from dipy.viz import window, actor, ui
import itertools
xyz = 10 * np.random.rand(100, 3)
colors = np.random.rand(100, 4)
radii = np.random.rand(100) + 0.5
renderer = window.Renderer()
sphere_actor = actor.sphere(centers=xyz,
colors=colors,
radii=radii)
renderer.add(sphere_actor)
showm = window.ShowManager(renderer,
size=(900, 768), reset_camera=False,
order_transparent=True)
showm.initialize()
tb = ui.TextBlock2D(bold=True)
# use itertools to avoid global variables
counter = itertools.count()