def _create_control(self, parent):
""" Create the toolkit-specific control that represents the widget. """
if self.off_screen_rendering:
if hasattr(tvtk, 'EGLRenderWindow'):
renwin = tvtk.EGLRenderWindow()
elif hasattr(tvtk, 'OSOpenGLRenderWindow'):
renwin = tvtk.OSOpenGLRenderWindow()
else:
renwin = tvtk.RenderWindow()
# If we are doing offscreen rendering we set the window size to
# (1,1) so the window does not appear at all
renwin.size = (1, 1)
self._renwin = renwin
self._interactor = tvtk.GenericRenderWindowInteractor(
render_window=renwin
)
else:
renwin = self._renwin = tvtk.RenderWindow()
self._interactor = tvtk.RenderWindowInteractor(
render_window=renwin
)
renwin.trait_set(point_smoothing=self.point_smoothing,
line_smoothing=self.line_smoothing,
polygon_smoothing=self.polygon_smoothing)
# Create a renderer and add it to the renderwindow
self._renderer = tvtk.Renderer()
renwin.add_renderer(self._renderer)
# Save a reference to our camera so it is not GC'd -- needed for
# the sync_traits to work.
self._camera = self.camera
# Sync various traits.
self._renderer.background = self.background
self.sync_trait('background', self._renderer)
self._renderer.on_trait_change(self.render, 'background')
self._camera.parallel_projection = self.parallel_projection
self.sync_trait('parallel_projection', self._camera)
renwin.off_screen_rendering = self.off_screen_rendering
self.sync_trait('off_screen_rendering', self._renwin)
self.render_window.on_trait_change(self.render, 'off_screen_rendering')
self.render_window.on_trait_change(self.render, 'stereo_render')
self.render_window.on_trait_change(self.render, 'stereo_type')
self.camera.on_trait_change(self.render, 'parallel_projection')
self._interactor.initialize()
self._interactor.render()
self.light_manager = light_manager.LightManager(self)
if self.off_screen_rendering:
# We want the default size to be the normal (300, 300).
# Setting the size now should not resize the window if
# offscreen is working properly in VTK.
renwin.size = (300, 300)
return self._interactor
def run(self):
# Remove the renderer from the current render window.
self.old_rw.remove_renderer(self.ren)
# Creates renderwindow that should be used ONLY for
# visualization in full screen
full_rw = tvtk.RenderWindow(stereo_capable_window=True,
full_screen=True)
# add the current visualization
full_rw.add_renderer(self.ren)
# provides a simple interactor
style = tvtk.InteractorStyleTrackballCamera()
self.iren = tvtk.RenderWindowInteractor(render_window=full_rw,
interactor_style=style)
# Gets parameters for stereo visualization
if self.old_rw.stereo_render:
full_rw.set(stereo_type=self.old_rw.stereo_type,
stereo_render=True)
# Starts the interactor
self.iren.initialize()
self.iren.render()
self.iren.start()
# Once the full screen window is quit this releases the
# renderer before it is destroyed, and return it to the main
# renderwindow.
full_rw.remove_renderer(self.ren)
self.old_rw.add_renderer(self.ren)
self.old_rw.render()
self.iren.disable()
def compare_image(scene, img_path):
"""Given a MayaVi scene and a path to a valid image, this
compares the image rendered on the scene to that saved as the
image.
This will pop up a new tvtk render window and use that to
perform the image comparison.
"""
abs_img_path = img_path
if not os.path.isabs(img_path):
abs_img_path = fixpath(img_path)
s = scene.scene
s.disable_render = True
ren = s.renderer
s.render_window.remove_renderer(ren)
rw = tvtk.RenderWindow(size=(300, 300))
rw.add_renderer(ren)
ren.reset_camera()
rw.render()
try:
compare_image_raw(rw, abs_img_path)
finally:
rw.remove_renderer(ren)
s.render_window.add_renderer(ren)
s.disable_render = False
ren.reset_camera()
s.render()
def setUp(self):
self.cs = cs = tvtk.ConeSource()
self.ef = ef = tvtk.ElevationFilter(input_connection=cs.output_port)
self.m = m = tvtk.PolyDataMapper(input_connection=ef.output_port)
self.a = tvtk.Actor(mapper=m)
self.ren = tvtk.Renderer()
self.ren.add_actor(self.a)
self.renwin = tvtk.RenderWindow()
self.renwin.add_renderer(self.ren)
def _create_tvtk_window(self, size=(500,500)):
# create a renderer
self.renderer = tvtk.Renderer()
# create a render window and hand it the renderer
self.render_window = tvtk.RenderWindow(size=size)
self.render_window.add_renderer(self.renderer)
# create interactor and hand it the render window
# This handles mouse interaction with window.
self.interactor = tvtk.RenderWindowInteractor(render_window=self.render_window)
self.gui = None
def get_render_window():
ren = tvtk.Renderer(background=(0.0, 0.0, 0.0), automatic_light_creation=0)
rw = tvtk.RenderWindow(size=(width, height))
rw.off_screen_rendering = 0
rw.add_renderer(ren)
rw.multi_samples = 0
ac = ren.active_camera
ac.view_angle = 44.61
#ren.reset_camera()
return rw
def test2(self):
'''展开交互图像窗口的常用流程'''
s = tvtk.CubeSource(x_length=1.0, y_length=2.0, z_length=3.0)
m = tvtk.PolyDataMapper(input_connection=s.output_port)
a = tvtk.Actor(mapper=m)
r = tvtk.Renderer(background=(0.5, 0.5, 0.5))
r.add_actor(a)
w = tvtk.RenderWindow(size=(500, 500))
w.add_renderer(r)
i = tvtk.RenderWindowInteractor(render_window=w)
i.initialize()
i.start()
def __init__(self, size=(300, 300), obj=None, update=True):
tvtk.RenderWindowInteractor.__init__(self, obj, update)
# create a renderer
self.renderer = tvtk.Renderer()
# create a render window and hand it the renderer
self.render_window = tvtk.RenderWindow()
self.render_window.add_renderer(self.renderer)
self.render_window.size = size
self.initialize()
def test01():
s = tvtk.ConeSource(height=6.0, radius=2.0)
m = tvtk.PolyDataMapper(input_connection=s.output_port)
a = tvtk.Actor(mapper=m)
r = tvtk.Renderer(background=(1, 0, 0))
r.add_actor(a)
w = tvtk.RenderWindow(size=(300, 300))
w.add_renderer(r)
i = tvtk.RenderWindowInteractor(render_window=w)
i.initialize()
i.start()
def show_window(size=(640, 480), snapshot_file='screenshot.png',
timer_callback=None, renderer=renderer, axes=False):
if IPC_VIS:
# we will show window in another process. nothing to do here
return
# Renderer
#renderer = tvtk.Renderer()
#renderer.add_actor(actor)
if axes:
renderer.add_actor(axes_actor(1)) # add axes
renderer.background = (1., 1., 1.)#(0.9, 0.9, 0.8)
#renderer.background = (0.9, 0.9, 0.8)
renderer.reset_camera()
# Render Window
renderWindow = tvtk.RenderWindow()
renderWindow.add_renderer(renderer)
# Interactor
renderWindowInteractor = tvtk.RenderWindowInteractor()
renderWindowInteractor.render_window = renderWindow
def on_key_down(iren_style, key):
rendrr = iren_style.GetCurrentRenderer()
rendrr = tvtk.to_tvtk(rendrr)
if key == '+':
for act in rendrr.actors:
act.property.point_size *= 1.1
elif key == '-':
for act in rendrr.actors:
act.property.point_size /= 1.1
elif key == 's':
ren_win = rendrr.render_window
w2if = tvtk.WindowToImageFilter(input=ren_win)
w2if.update()
writer = tvtk.PNGWriter(file_name=snapshot_file, input=w2if.output)
writer.write()
iren = InteractorStyleModified(key_callback=on_key_down,
timer_callback=timer_callback)
renderWindowInteractor.interactor_style = iren
# Begin Interaction
renderWindow.render()
renderWindow.size = size
#print 'Window size:', renderWindow.size
renderWindowInteractor.create_repeating_timer(500)
renderWindowInteractor.start()
def get_render_window(options):
ren = tvtk.Renderer(background=(0.0, 0.0, 0.0))
rw = tvtk.RenderWindow(size=(width, height))
rw.off_screen_rendering = 0
rw.add_renderer(ren)
rw.multi_samples = 0
ac = ren.active_camera
ac.view_angle = 44.61
ac.position = [options.shift, -options.distance, options.height]
ac.view_up = [0, 0, 1]
ac.focal_point = [options.shift, 0, options.height]
ac.pitch(options.tilt)
return rw
def test01():
# 1. 创建数据源，设置参数，并且将参数映射给数据m
s = tvtk.CubeSource(x_length=1.0, y_length=2.0, z_length=3.0)
m = tvtk.PolyDataMapper(input_connection=s.output_port)
# 2. 创建背景和行为（可以转动），并且将行为送给 背景
a = tvtk.Actor(mapper=m)
r = tvtk.Renderer(background=(0, 0, 0))
r.add_actor(a)
# 3. 创建左面窗口的大小，并且将渲染器放入窗口
w = tvtk.RenderWindow(size=(300, 300))
w.add_renderer(r)
# 4. 创建交互界面，将窗口放入
i = tvtk.RenderWindowInteractor(render_window=w)
i.initialize()
i.start()
def render_bitmap(self,
width,
height,
filename=None,
azimuth=15.0,
elevation=30.0,
roll=0.0,
zoom=1.0,
pan_h=0.0,
pan_v=0.0):
renderer = tvtk.Renderer()
for actor in self.scene.actor_list:
renderer.add_actor(actor)
renderer.background = (1, 1, 0.8)
renderer.reset_camera()
camera = renderer.active_camera
camera.roll(roll)
camera.elevation(elevation)
camera.azimuth(azimuth)
camera.dolly(zoom)
camera.yaw(pan_h)
camera.pitch(pan_v)
renderWindow = tvtk.RenderWindow()
renderWindow.off_screen_rendering = True
renderWindow.add_renderer(renderer)
renderWindow.size = (width, height)
renderWindow.render()
windowToImageFilter = tvtk.WindowToImageFilter()
windowToImageFilter.input = renderWindow
windowToImageFilter.update()
writer = tvtk.PNGWriter()
if filename is not None:
writer.file_name = filename
writer.write_to_memory = False
else:
writer.write_to_memory = True
writer.input_connection = windowToImageFilter.output_port
writer.write()
#data = numpy.asarray(writer.result).tostring()
return writer.result
def test_source():
# 创建一个长方体数据源，并且同时设置其长宽高
s = tvtk.CubeSource(x_length=1.0, y_length=2.0, z_length=3.0)
# 使用PolyDataMapper将数据转换为图形数据
m = tvtk.PolyDataMapper(input_connection=s.output_port)
# 创建一个Actor
a = tvtk.Actor(mapper=m)
# 创建一个Renderer，将Actor添加进去
r = tvtk.Renderer(background=(0, 0, 0))
r.add_actor(a)
# 创建一个RenderWindow(窗口)，将Renderer添加进去
w = tvtk.RenderWindow(size=(300, 300))
w.add_renderer(r)
# 创建一个RenderWindowInteractor（窗口的交互工具)
i = tvtk.RenderWindowInteractor(render_window=w)
# 开启交互
i.initialize()
i.start()
def ShowACube(x, y, z, backgroundcolor=(0, 0, 0)):
#立方体源
s = tvtk.CubeSource(x_length=x, y_length=y, z_length=z)
#转换源为图形数据
m = tvtk.PolyDataMapper(input_connection=s.output_port)
#创建Actor，并将图形数据接入
a = tvtk.Actor(mapper=m)
#创建渲染，并将Actor接入
r = tvtk.Renderer(background=backgroundcolor)
r.add_actor(a)
#创建窗口，并将渲染接入
w = tvtk.RenderWindow(size=(900, 900))
w.add_renderer(r)
#创建交互，并将窗口接入
i = tvtk.RenderWindowInteractor(render_window=w)
#开始运行
i.initialize()
i.start()
def run(self):
# Remove the renderer from the current render window.
self.old_rw.remove_renderer(self.ren)
# Creates renderwindow tha should be used ONLY for
# visualization in full screen
full_rw = tvtk.RenderWindow(stereo_capable_window=True,
full_screen=True)
# add the current visualization
full_rw.add_renderer(self.ren)
# Under OS X there is no support for creating a full screen
# window so we set the size of the window here.
if sys.platform == 'darwin':
full_rw.size = tuple(wx.GetDisplaySize())
# provides a simple interactor
style = tvtk.InteractorStyleTrackballCamera()
self.iren = tvtk.RenderWindowInteractor(render_window=full_rw,
interactor_style=style)
# Gets parameters for stereo visualization
if self.old_rw.stereo_render:
full_rw.trait_set(stereo_type=self.old_rw.stereo_type,
stereo_render=True)
# Starts the interactor
self.iren.initialize()
self.iren.render()
self.iren.start()
# Once the full screen window is quit this releases the
# renderer before it is destroyed, and return it to the main
# renderwindow.
full_rw.remove_renderer(self.ren)
self.old_rw.add_renderer(self.ren)
self.old_rw.render()
self.iren.disable()
s2 = tvtk.ConeSource(center=(1, 5, 6))
# pprint(dir(s2))
print(s2)
a = 1
# a.__getattribute__()
# # a.__se
# a.__get
# 显示一个三维度对象
for item in dir(tvtk):
if not item.endswith("Source"): continue
try:
s2 = tvtk.__getattribute__(item)()
if not hasattr(s2, "output_port"):
print(item)
continue
print("on:", item)
# pprint(dir(s2.output_port))
m = tvtk.PolyDataMapper(input_connection=s2.output_port)
a = tvtk.Actor(mapper=m)
# b = tvtk.Actor(mapper = tvtk.PolyDataMapper(input_connection=s1.output_port))
r = tvtk.Renderer(background=(0, 0, 0))
r.add_actor(a)
# r.add_actor(b)
w = tvtk.RenderWindow(size=(500, 500))
w.add_renderer(r)
i = tvtk.RenderWindowInteractor(render_window=w)
# i.initialize()
i.start()
except:
pass
# class
def initialize(self, X, Y, initial_data=None, vmin=None, vmax=None):
"""
Create objects to plot on
"""
if initial_data == None:
initial_data = zeros(shape(X))
if vmin == None:
self.vmin = -1.0
if vmax == None:
self.vmax = 1.0
else:
if vmin == None:
self.vmin = np.min(np.min(initial_data))
if vmax == None:
self.vmax = np.max(np.max(initial_data))
x_min = np.min(np.min(X))
y_min = np.min(np.min(Y))
x_max = np.max(np.max(X))
y_max = np.max(np.max(Y))
x_middle = (x_min + x_max) / 2
y_middle = (y_min + y_max) / 2
z_middle = np.mean(np.mean(initial_data))
L = x_max - x_min
diffs = np.shape(X)
x_diff = diffs[0]
y_diff = diffs[1]
z_diff = 1.0 #self.vmax-self.vmin
self.tvtk = tvtk
self.sp = tvtk.StructuredPoints(origin=(x_middle, y_middle, z_middle),
dimensions=(x_diff, y_diff, 1),
spacing=(2 * L / (x_diff - 1),
2 * L / (y_diff - 1), 100.0))
self.z = np.transpose(initial_data).flatten()
self.sp.point_data.scalars = self.z
self.geom_filter = tvtk.ImageDataGeometryFilter(input=self.sp)
self.warp = tvtk.WarpScalar(input=self.geom_filter.output)
self.normals = tvtk.PolyDataNormals(input=self.warp.output)
# The rest of the VTK pipeline.
self.m = tvtk.PolyDataMapper(input=self.normals.output,
scalar_range=(self.vmin, self.vmax))
p = tvtk.Property(opacity=0.5, color=(1, 1, 1), representation="s")
self.a = tvtk.Actor(mapper=self.m, property=p)
self.ren = tvtk.Renderer(background=(0.0, 0.0, 0.0))
self.ren.add_actor(self.a)
# Get a nice view.
self.cam = self.ren.active_camera
self.cam.azimuth(-50)
self.cam.roll(90)
# Create a RenderWindow, add the renderer and set its size.
self.rw = tvtk.RenderWindow(size=(800, 800))
self.rw.add_renderer(self.ren)
# Create the RenderWindowInteractor
self.rwi = tvtk.RenderWindowInteractor(render_window=self.rw)
self.rwi.initialize()
self.ren.reset_camera()
self.rwi.render()
# method. Using the output property will work fine if all you want is # the default output. OTOH if you want the N'th output use # get_output(N). m.input = cs.output # or m.input = cs.get_output() # Create the actor and set its mapper. a = tvtk.Actor() a.mapper = m # Create a Renderer, add the actor and set its background color. ren = tvtk.Renderer() ren.add_actor(a) ren.background = (0.1, 0.2, 0.4) # Create a RenderWindow, add the renderer and set its size. rw = tvtk.RenderWindow() rw.add_renderer(ren) rw.size = (300, 300) # Create the RenderWindowInteractor rwi = tvtk.RenderWindowInteractor() rwi.render_window = rw # Setup a box widget. bw = tvtk.BoxWidget() bw.interactor = rwi bw.place_factor = 1.25 bw.prop3d = a bw.place_widget()
p1 = seg.origin
p2 = p1 + seg.MAX_RAY_LENGTH * seg.direction
i = self.intersect_with_line(p1, p2)
if i is None:
return None
i = numpy.array(i)
dist = numpy.sqrt(((i - p1)**2).sum())
return dist, i, 0, self
if __name__ == "__main__":
oap = OffAxisParabloid()
mapper = tvtk.PolyDataMapper(input=oap.pipeline.output)
actor = tvtk.Actor(mapper=mapper)
ren = tvtk.Renderer()
ren.add_actor(actor)
ax = tvtk.Axes(origin=(0, 0, 0))
axes_map = tvtk.PolyDataMapper(input=ax.output)
axes_act = tvtk.Actor(mapper=axes_map)
ren.add_actor(axes_act)
ren.background = (0.7, 0.6, 0.5)
renwin = tvtk.RenderWindow()
renwin.add_renderer(ren)
iren = tvtk.RenderWindowInteractor(render_window=renwin)
iren.start()
s = tvtk.CubeSource(x_length=1.0, y_length=2.0, z_length=3.0)
print("s= \n",s)
# 将三维数据源映射为二维图形显示
m = tvtk.PolyDataMapper(input_connection = s.output_port)
print("m=\n",m)
# 创建一个显示实体
a = tvtk.Actor(mapper=m)
print("a= \n",a)
# 创建一个渲染器
r = tvtk.Renderer(background=(0,0,0))
print("r= \n",r)
# 添加显示实体
r.add_actor(a)
# 创建一个显示窗口
w = tvtk.RenderWindow(size=(300,300),position=(300,300))
print("w= \n",w)
# 添加渲染器
w.add_renderer(r)
# 创建一个交互器
i = tvtk.RenderWindowInteractor(render_window=w)
print("i= \n",i)
# 初始化交互器
i.initialize()
# 启动
i.start()
else:
raise ValueError("ary must be 3 dimensional.")
return img
sz = (256, 256, 3)
array_3d = zeros(sz, uint8)
img = image_from_array(array_3d)
t = tvtk.Texture(interpolate=1)
configure_input_data(t, img)
a.texture = t
# Renderwindow stuff and add actor.
rw = tvtk.RenderWindow(size=(600, 600))
ren = tvtk.Renderer(background=(0.1, 0.2, 0.4))
rw.add_renderer(ren)
rwi = tvtk.RenderWindowInteractor(render_window=rw)
ren.add_actor(a)
rwi.initialize()
# create a little wave to slide across the image.
wave = 1 / sqrt(2 * pi) * exp(-arange(-2, 2, .05)**2 / 2) * 255
# have to use += here because = doesn't respect broadcasting correctly.
array_3d[:len(wave)] += wave.astype(uint8)[:, None, None]
import time
t1 = time.time()
N = 256
for i in range(N):
from tvtk.api import tvtk #创建一个长方体数据源，并且同时设置其长宽高 s = tvtk.CubeSource(x_length=1.0,y_length=2.0,z_length=3.0) #使用PolyDataMapepr将数据转化为图形数据 m = tvtk.PolyDataMapper(input_connection=s.output_port) #以上为可视化管线 #================ #以下为图行管线 #创建一个Actor a = tvtk.Actor(mapper=m) #创建一个Renderer,并对图像背景设置一种颜色，将Actor添加进去。 r = tvtk.Renderer(background=(0,0,0)) r.add_actor(a) #创建一个RenderWindow(窗口)，将Renderer添加进去 w = tvtk.RenderWindow(size=(350,350)) w.add_renderer(r) #创建一个RenderWindowInteractor(窗口交互工具) i = tvtk.RenderWindowInteractor(render_window=w) #================ #开启交互 i.initialize() i.start()
from numpy import array ### DATA data = array([[0, 0, 0, 10], [1, 0, 0, 20], [0, 1, 0, 20], [0, 0, 1, 30]], 'f') triangles = array([[0, 1, 3], [0, 3, 2], [1, 2, 3], [0, 2, 1]]) points = data[:, :3] temperature = data[:, -1] ### TVTK PIPELINE # create a renderer renderer = tvtk.Renderer() # create a render window and hand it the renderer render_window = tvtk.RenderWindow(size=(400, 400)) render_window.add_renderer(renderer) # create interactor and hand it the render window # This handles mouse interaction with window. interactor = tvtk.RenderWindowInteractor(render_window=render_window) # Create a mesh from the data created above. mesh = tvtk.PolyData(points=points, polys=triangles) mesh.point_data.scalars = temperature # Set the mapper to scale temperature range # across the entire range of colors mapper = tvtk.PolyDataMapper() configure_input_data(mapper, mesh) mapper.scalar_range = min(temperature), max(temperature)
# -*- coding: utf-8 -*- from tvtk.api import tvtk # 创建一个圆锥数据源，并且同时设置其高度，底面半径和底面圆的分辨率(用36边形近似) cs = tvtk.ConeSource(height=3.0, radius=1.0, resolution=36) # 使用PolyDataMapper将数据转换为图形数据 m = tvtk.PolyDataMapper(input_connection=cs.output_port) # 创建一个Actor a = tvtk.Actor(mapper=m) # 创建一个Renderer，将Actor添加进去 ren = tvtk.Renderer(background=(1, 1, 1)) ren.add_actor(a) # 创建一个RenderWindow(窗口)，将Renderer添加进去 rw = tvtk.RenderWindow(size=(300, 300)) rw.add_renderer(ren) # 创建一个RenderWindowInteractor（窗口的交互工具) rwi = tvtk.RenderWindowInteractor(render_window=rw) # 开启交互 rwi.initialize() rwi.start()
def ipython_view(self, width, height, view={}):
import ipywidgets as widgets
from IPython.display import Image, display, clear_output
renderer = tvtk.Renderer()
for actor in self.scene.actor_list:
renderer.add_actor(actor)
renderer.background = (1, 1, 0.8)
#
renderer.reset_camera()
camera = renderer.active_camera
if "position" in view:
camera.position = view['position']
if "focal_point" in view:
camera.focal_point = view['focal_point']
if "view_up" in view:
camera.view_up = view['view_up']
#
renderWindow = tvtk.RenderWindow()
renderWindow.off_screen_rendering = True
renderWindow.add_renderer(renderer)
renderWindow.size = (width, height)
renderWindow.render()
windowToImageFilter = tvtk.WindowToImageFilter()
windowToImageFilter.input = renderWindow
windowToImageFilter.update()
#
filename = "/dev/shm/temp_vtk_put.png"
writer = tvtk.PNGWriter()
writer.file_name = filename
writer.write_to_memory = False
writer.input_connection = windowToImageFilter.output_port
writer.write()
view_out = {}
def show():
clear_output(wait=True)
renderer.reset_camera_clipping_range()
renderer.modified()
renderWindow.render()
windowToImageFilter.input = renderWindow
windowToImageFilter.modified()
windowToImageFilter.update()
writer.write()
view_out.update({
"position": tuple(camera.position),
"view_up": tuple(camera.view_up),
"focal_point": tuple(camera.focal_point)
})
return display(Image(filename), grp)
def r_up(arg):
camera.orthogonalize_view_up()
camera.elevation(10)
return show()
def r_down(arg):
camera.orthogonalize_view_up()
camera.elevation(-10)
return show()
def r_left(arg):
camera.orthogonalize_view_up()
camera.azimuth(10)
return show()
def r_right(arg):
camera.orthogonalize_view_up()
camera.azimuth(-10)
return show()
def pan_left(arg):
camera.orthogonalize_view_up()
camera.yaw(-2)
return show()
def pan_right(arg):
camera.orthogonalize_view_up()
camera.yaw(2)
return show()
def pan_up(arg):
camera.orthogonalize_view_up()
camera.pitch(-2)
return show()
def pan_down(arg):
camera.orthogonalize_view_up()
camera.pitch(2)
return show()
def roll_left(arg):
camera.roll(10)
return show()
def roll_right(arg):
camera.roll(-10)
return show()
def zoom_in(arg):
camera.dolly(1.2)
return show()
def zoom_out(arg):
camera.dolly(0.8)
return show()
b1 = widgets.Button(description='\u2191')
b1.on_click(r_up)
b2 = widgets.Button(description='\u2193')
b2.on_click(r_down)
b3 = widgets.Button(description='\u2190')
b3.on_click(r_left)
b4 = widgets.Button(description='\u2192')
b4.on_click(r_right)
b5 = widgets.Button(description='\u21ba')
b5.on_click(roll_left)
b6 = widgets.Button(description='\u21bb')
b6.on_click(roll_right)
b7 = widgets.Button(description='+')
b7.on_click(zoom_in)
b8 = widgets.Button(description='-')
b8.on_click(zoom_out)
b9 = widgets.Button(description='\u2190')
b9.on_click(pan_left)
b10 = widgets.Button(description='\u2192')
b10.on_click(pan_right)
b11 = widgets.Button(description='\u2191')
b11.on_click(pan_up)
b12 = widgets.Button(description='\u2193')
b12.on_click(pan_down)
grp1 = widgets.HBox(border_style="solid",
border_width=1,
border_radius=5,
padding=2,
margin=1)
grp1.children = [b1, b2, b3, b4, b5, b6]
grp2 = widgets.HBox(border_style="solid",
border_width=1,
border_radius=5,
padding=2,
margin=1)
grp2.children = [b7, b8, b9, b10, b11, b12]
grp = widgets.HBox(children=[grp1, grp2])
show()
return view_out