def reset(self):
""" Reset. """
# last key press (it should have a mutex, but visualization is not
# safety critical, so let's do things wrong)
self.action = "no" # no, next, back, quit are the possibilities
# new canvas prepared for visualizing data
self.canvas = SceneCanvas(keys='interactive',
show=True,
size=self.canvas_size)
# interface (n next, b back, q quit, very simple)
self.canvas.events.key_press.connect(self.key_press)
self.canvas.events.draw.connect(self.draw)
# laserscan part
self.scan_view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.scan_view.camera = vispy.scene.TurntableCamera(elevation=30,
azimuth=-90,
distance=30,
translate_speed=30,
up='+z')
# grid
self.grid = self.canvas.central_widget.add_grid()
self.grid.add_widget(self.scan_view)
self.scan_vis = visuals.Markers(parent=self.scan_view.scene)
self.scan_vis.antialias = 0
# self.scan_view.add(self.scan_vis)
visuals.XYZAxis(parent=self.scan_view.scene)
self.line = visuals.Line(width=1,
method='gl',
parent=self.scan_view.scene)
self.text = visuals.Text(color='red',
font_size=600,
bold=True,
parent=self.scan_view.scene)
self.gt_line = visuals.Line(width=1000, parent=self.scan_view.scene)
# self.sem_view.camera.link(self.scan_view.camera)
if self.show_img:
# img canvas size
# new canvas for img
self.img_canvas = SceneCanvas(keys='interactive',
show=True,
size=(1242, 375))
# grid
self.img_grid = self.img_canvas.central_widget.add_grid()
# interface (n next, b back, q quit, very simple)
self.img_canvas.events.key_press.connect(self.key_press)
self.img_canvas.events.draw.connect(self.draw)
# add a view for the depth
self.img_view = vispy.scene.widgets.ViewBox(
border_color='white', parent=self.img_canvas.scene)
self.img_grid.add_widget(self.img_view, 0, 0)
self.img_vis = visuals.Image(cmap='viridis')
self.img_view.add(self.img_vis)
def __init__(self):
self._canvas = SceneCanvas()
self._viewbox = ViewBox(parent=self._canvas.scene)
self._canvas.central_widget.add_widget(self._viewbox)
self._viewbox.camera = TurntableCamera(
interactive=False,
fov=0, # Makes it an ortho camera.
azimuth=0,
elevation=-90,
)
self._reference_slice = Image(cmap='grays', parent=self._viewbox.scene)
self._reference_slice.attach(ColorFilter((1., .5, 0., 1.)))
self._reference_slice.set_gl_state('additive', depth_test=False)
self._slice = Image(cmap='grays', parent=self._viewbox.scene)
self._slice.attach(ColorFilter((0., .5, 1., 1.)))
self._slice.set_gl_state('additive', depth_test=False)
self._canvas.events.mouse_press.connect(self._vispy_mouse_event)
self._canvas.events.mouse_move.connect(self._vispy_mouse_event)
self._canvas.events.mouse_release.connect(self._vispy_mouse_event)
self._canvas.events.mouse_wheel.connect(self._vispy_mouse_event)
class Visualizer(object):
'''Visualizer class\n
Base class for the simulation of the swarm behavior.
Args:
width (int): defines the width of the window
height (int): defines the height of the window
'''
def __init__(self, width=800, height=800, show_axis=True):
self.canvas = SceneCanvas(size=(width, height), position=(0,0), keys='interactive', title=self.__class__.__name__)
self.view = self.canvas.central_widget.add_view()
self.view.camera = 'turntable'
if show_axis:
self.axis = visuals.XYZAxis(parent=self.view.scene)
self.canvas.show()
def __bool__(self):
return not self.canvas._closed
def update(self):
vispy.app.process_events()
self.canvas.update()
time.sleep(0.01)
def animation(self, t):
self.update()
return _screenshot((0,0,self.canvas.size[0],self.canvas.size[1]))[:,:,:3]
def __init__(self):
super(Window, self).__init__()
box = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self)
self.resize(500, 200)
self.setLayout(box)
self.canvas_0 = SceneCanvas(bgcolor='w')
self.vb_0 = ViewBox(parent=self.canvas_0.scene, bgcolor='r')
self.vb_0.camera.rect = -1, -1, 2, 2
self.canvas_0.events.initialize.connect(self.on_init)
self.canvas_0.events.resize.connect(partial(on_resize,
self.canvas_0,
self.vb_0))
box.addWidget(self.canvas_0.native)
# pass the context from the first canvas to the second
self.canvas_1 = SceneCanvas(bgcolor='w', shared=self.canvas_0.context)
self.vb_1 = ViewBox(parent=self.canvas_1.scene, bgcolor='b')
self.vb_1.camera.rect = -1, -1, 2, 2
self.canvas_1.events.resize.connect(partial(on_resize,
self.canvas_1,
self.vb_1))
box.addWidget(self.canvas_1.native)
self.tick_count = 0
self.timer = Timer(interval=1., connect=self.on_timer, start=True)
self.setWindowTitle('Shared contexts')
self.show()
def __init__(self):
global pos
self.visuals = []
polygon = visuals.Polygon(pos=pos, color=(0.8, .2, 0, 1),
border_color=(1, 1, 1, 1))
polygon.transform = transforms.STTransform(scale=(200, 200),
translate=(600, 600))
self.visuals.append(polygon)
ellipse = visuals.Ellipse(pos=(0, 0, 0), radius=(100, 150),
color=(0.2, 0.2, 0.8, 1),
border_color=(1, 1, 1, 1),
start_angle=180., span_angle=150.)
ellipse.transform = transforms.STTransform(scale=(0.9, 1.5),
translate=(200, 300))
self.visuals.append(ellipse)
rect = visuals.Rectangle(pos=(600, 200, 0), height=200.,
width=300.,
radius=[30., 30., 0., 0.],
color=(0.5, 0.5, 0.2, 1),
border_color='white')
self.visuals.append(rect)
rpolygon = visuals.RegularPolygon(pos=(200., 600., 0), radius=160,
color=(0.2, 0.8, 0.2, 1),
border_color=(1, 1, 1, 1),
sides=6)
self.visuals.append(rpolygon)
SceneCanvas.__init__(self, keys='interactive')
self.size = (800, 800)
self.show()
def __init__(self, _model: AtlasSectionViewModel):
self._model = _model
self._model.register(self.update)
self._canvas = SceneCanvas()
self._viewbox = ViewBox(parent=self._canvas.scene)
self._canvas.central_widget.add_widget(self._viewbox)
self._viewbox.camera = TurntableCamera(
interactive=False,
fov=0, # Makes it an ortho camera.
azimuth=0,
elevation=90,
)
self._slice = Image(cmap='grays', parent=self._viewbox.scene)
self._slice.transform = MatrixTransform()
self._slice.set_data(self._model.atlas_section_image)
self._slice.clim = self._model.clim
self._viewbox.camera.center = self._model.camera_center
self._viewbox.camera.scale_factor = self._viewbox.camera.scale_factor
self._vertical_line = InfiniteLine(pos=0,
vertical=True,
parent=self._viewbox.scene)
self._horizontal_line = InfiniteLine(pos=0,
vertical=False,
parent=self._viewbox.scene)
self._canvas.events.mouse_press.connect(self.mouse_press)
self._canvas.events.mouse_move.connect(self.mouse_move)
self._vertical_line.set_data(color=self._model.vertical_line_color)
self._horizontal_line.set_data(color=self._model.horizontal_line_color)
def __init__(self, N, width=600, height=600, decay_rate=1.0, hormone_secretion=None):
from PIL.Image import open as open_image
# setup simulation
self._N = N
self._INITIAL_FIELD = np.array(open_image(path.join(ENV_MAP_PATH, 'envmap01.png'))).astype(np.float32) / 255.
#self._INITIAL_FIELD = np.zeros(self._INITIAL_FIELD.shape)
self._FIELD_WIDTH = self._INITIAL_FIELD.shape[1]
self._FIELD_HEIGHT = self._INITIAL_FIELD.shape[0]
self._FIELD_DECAY_RATE = decay_rate
self._SECRATION = hormone_secretion
sensor_th = np.linspace(0, 2*np.pi, self.SENSOR_NUM, endpoint=False)
self._SENSOR_POSITION = self.AGENT_RADIUS * np.array([np.cos(sensor_th), np.sin(sensor_th)]).T
self.reset() # initialize all variables, position, velocity and field status
# setup display
self._canvas = SceneCanvas(size=(width, height), position=(0,0), keys='interactive', title="ALife book "+self.__class__.__name__)
self._canvas.events.mouse_double_click.connect(self._on_mouse_double_click)
self._view = self._canvas.central_widget.add_view()
self._view.camera = PanZoomCamera((0, 0, self._FIELD_WIDTH, self._FIELD_HEIGHT), aspect=1)
self._field_image = Image(self._field, interpolation='nearest', parent=self._view.scene, method='subdivide', clim=(0,1))
self._agent_polygon = []
for i in range(self._N):
p = AntSimulator._generate_agent_visual_polygon(self.AGENT_RADIUS)
p.parent = self._field_image
self._agent_polygon.append(p)
self._canvas.show()
def resetTwo(self):
""" Reset. """
# last key press (it should have a mutex, but visualization is not
# safety critical, so let's do things wrong)
self.action = "no" # no, next, back, quit are the possibilities
# new canvas prepared for visualizing data
self.canvas = SceneCanvas(keys='interactive', show=True)
# interface (n next, b back, q quit, very simple)
self.canvas.events.key_press.connect(self.key_press)
self.canvas.events.draw.connect(self.draw)
# grid
self.grid = self.canvas.central_widget.add_grid()
# laserscan part
self.scan_view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.grid.add_widget(self.scan_view, 0, 0)
self.scan_vis = visuals.Markers()
self.scan_view.camera = 'turntable'
self.scan_view.add(self.scan_vis)
visuals.XYZAxis(parent=self.scan_view.scene)
#if self.instances:
print("Using instances in visualizer")
self.inst_view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.grid.add_widget(self.inst_view, 0, 1)
self.inst_vis = visuals.Markers()
self.inst_view.camera = 'turntable'
self.inst_view.add(self.inst_vis)
visuals.XYZAxis(parent=self.inst_view.scene)
def __init__(self, width=800, height=800, show_axis=True):
self.canvas = SceneCanvas(size=(width, height), position=(0,0), keys='interactive', title=self.__class__.__name__)
self.view = self.canvas.central_widget.add_view()
self.view.camera = 'turntable'
if show_axis:
self.axis = visuals.XYZAxis(parent=self.view.scene)
self.canvas.show()
def __init__(self):
super(Window, self).__init__()
box = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self)
self.resize(500, 200)
self.setLayout(box)
self.canvas_0 = SceneCanvas(bgcolor='w')
self.vb_0 = ViewBox(parent=self.canvas_0.scene, bgcolor='r')
self.vb_0.camera.rect = -1, -1, 2, 2
self.canvas_0.events.initialize.connect(self.on_init)
self.canvas_0.events.resize.connect(
partial(on_resize, self.canvas_0, self.vb_0))
box.addWidget(self.canvas_0.native)
# pass the context from the first canvas to the second
self.canvas_1 = SceneCanvas(bgcolor='w', shared=self.canvas_0.context)
self.vb_1 = ViewBox(parent=self.canvas_1.scene, bgcolor='b')
self.vb_1.camera.rect = -1, -1, 2, 2
self.canvas_1.events.resize.connect(
partial(on_resize, self.canvas_1, self.vb_1))
box.addWidget(self.canvas_1.native)
self.tick_count = 0
self.timer = Timer(interval=1., connect=self.on_timer, start=True)
self.setWindowTitle('Shared contexts')
self.show()
def __init__(self):
self.cube = visuals.Cube((1.0, 0.5, 0.25),
color='red',
edge_color='black')
self.theta = 0
self.phi = 0
SceneCanvas.__init__(self, 'Cube', keys='interactive', size=(400, 400))
self.cube.transform = transforms.AffineTransform()
self._timer = Timer('auto', connect=self.on_timer, start=True)
def __init__(self):
self.cube = visuals.Cube((1.0, 0.5, 0.25), color='red',
edge_color='black')
self.theta = 0
self.phi = 0
SceneCanvas.__init__(self, 'Cube', keys='interactive',
size=(400, 400))
self.cube.transform = transforms.AffineTransform()
self._timer = Timer('auto', connect=self.on_timer, start=True)
def __init__(self, viewer):
super().__init__()
QCoreApplication.setAttribute(
Qt.AA_UseStyleSheetPropagationInWidgetStyles, True)
self.setStyleSheet(self.themed_stylesheet)
self.viewer = viewer
self.viewer._qtviewer = self
self.canvas = SceneCanvas(keys=None, vsync=True)
self.canvas.native.setMinimumSize(QSize(100, 100))
self.canvas.connect(self.on_mouse_move)
self.canvas.connect(self.on_mouse_press)
self.canvas.connect(self.on_mouse_release)
self.canvas.connect(self.on_key_press)
self.canvas.connect(self.on_key_release)
self.view = self.canvas.central_widget.add_view()
# Set 2D camera (the camera will scale to the contents in the scene)
self.view.camera = PanZoomCamera(aspect=1)
# flip y-axis to have correct aligment
self.view.camera.flip = (0, 1, 0)
self.view.camera.set_range()
self.view.camera.viewbox_key_event = viewbox_key_event
center = QWidget()
layout = QVBoxLayout()
layout.setContentsMargins(15, 20, 15, 10)
layout.addWidget(self.canvas.native)
dimsview = QtDims(self.viewer.dims)
layout.addWidget(dimsview)
center.setLayout(layout)
# Add controls, center, and layerlist
self.control_panel = QtControls(viewer)
self.addWidget(self.control_panel)
self.addWidget(center)
self.addWidget(self.viewer.layers._qt)
self._cursors = {
'disabled':
QCursor(
QPixmap(':/icons/cursor/cursor_disabled.png').scaled(20, 20)),
'cross':
Qt.CrossCursor,
'forbidden':
Qt.ForbiddenCursor,
'pointing':
Qt.PointingHandCursor,
'standard':
QCursor()
}
def __init__(self, *args, **kwargs):
self.cube = CubeVisual(size=(0.8, 0.5, 0.5),
color='red',
edge_color="k")
self.theta = 0
self.phi = 0
self.cube_transform = transforms.MatrixTransform()
self.cube.transform = self.cube_transform
self._timer = Timer('auto', connect=self.on_timer, start=True)
SceneCanvas.__init__(self, *args, **kwargs)
def reset(self, sem_color_dict=None):
""" Reset. """
# new canvas prepared for visualizing data
self.map_color(sem_color_dict=sem_color_dict)
self.canvas = SceneCanvas(keys='interactive', show=True)
# grid
self.grid = self.canvas.central_widget.add_grid()
# laserscan part
self.scan_view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.grid.add_widget(self.scan_view, 0, 0)
self.scan_view.camera = 'turntable'
self.scan_vis = visuals.Markers()
self.scan_view.add(self.scan_vis)
if self.viz_joint:
self.joint_vis = visuals.Arrow(connect='segments',
arrow_size=18,
color='blue',
width=10,
arrow_type='angle_60')
self.arrow_length = 10
self.scan_view.add(self.joint_vis)
if self.viz_box:
vertices, faces, outline = create_box(width=1,
height=1,
depth=1,
width_segments=1,
height_segments=1,
depth_segments=1)
vertices['color'][:, 3] = 0.2
# breakpoint()
self.box = visuals.Box(vertex_colors=vertices['color'],
edge_color='b')
self.box.transform = STTransform(translate=[-2.5, 0, 0])
self.theta = 0
self.phi = 0
self.scan_view.add(self.box)
visuals.XYZAxis(parent=self.scan_view.scene)
# add nocs
if self.viz_label:
print("Using nocs in visualizer")
self.nocs_view = vispy.scene.widgets.ViewBox(
border_color='white', parent=self.canvas.scene)
self.grid.add_widget(self.nocs_view, 0, 1)
self.label_vis = visuals.Markers()
self.nocs_view.camera = 'turntable'
self.nocs_view.add(self.label_vis)
visuals.XYZAxis(parent=self.nocs_view.scene)
self.nocs_view.camera.link(self.scan_view.camera)
def __init__(self, width=600, height=600):
self._canvas = SceneCanvas(size=(width, height),
position=(0, 0),
keys='interactive',
title="ALife book " +
self.__class__.__name__)
self._view = self._canvas.central_widget.add_view()
#self._view.camera = 'arcball'
self._view.camera = 'turntable'
self._axis = visuals.XYZAxis(parent=self._view.scene)
self._arrows = None
self._markers = None
self._canvas.show()
def __init__(self):
self.canvas = SceneCanvas(
title = "Lattice Visualizer",
keys = 'interactive',
size = (800, 600),
show = True,
bgcolor = self.BACKGROUND_COLOR
)
self.canvas.measure_fps()
self.key_functions = {
'1': self.reset_camera,
'd': self.visible_x_up,
'a': self.visible_x_down,
'z': self.visible_x_all,
'w': self.visible_y_up,
's': self.visible_y_down,
'x': self.visible_y_all,
'e': self.visible_z_up,
'q': self.visible_z_down,
'c': self.visible_z_all
}
# Register key press events
@self.canvas.events.key_press.connect
def on_key_press(event):
if event.text in self.key_functions:
self.key_functions[event.text]()
# Set up a viewbox to display the cube with interactive arcball
self.camera = cameras.ArcballCamera()
self.view = self.canvas.central_widget.add_view(self.camera)
class Window(QtGui.QWidget):
def __init__(self):
super(Window, self).__init__()
box = QtGui.QBoxLayout(QtGui.QBoxLayout.LeftToRight, self)
self.resize(500, 200)
self.setLayout(box)
self.canvas_0 = SceneCanvas(bgcolor='w')
self.vb_0 = ViewBox(parent=self.canvas_0.scene, bgcolor='r')
self.vb_0.camera.rect = -1, -1, 2, 2
self.canvas_0.events.initialize.connect(self.on_init)
self.canvas_0.events.resize.connect(partial(on_resize,
self.canvas_0,
self.vb_0))
box.addWidget(self.canvas_0.native)
# pass the context from the first canvas to the second
self.canvas_1 = SceneCanvas(bgcolor='w', shared=self.canvas_0.context)
self.vb_1 = ViewBox(parent=self.canvas_1.scene, bgcolor='b')
self.vb_1.camera.rect = -1, -1, 2, 2
self.canvas_1.events.resize.connect(partial(on_resize,
self.canvas_1,
self.vb_1))
box.addWidget(self.canvas_1.native)
self.tick_count = 0
self.timer = Timer(interval=1., connect=self.on_timer, start=True)
self.setWindowTitle('Shared contexts')
self.show()
def on_init(self, event):
self.text = Text('Initialized', font_size=40.,
anchor_x='left', anchor_y='top',
parent=[self.vb_0.scene, self.vb_1.scene])
def on_timer(self, event):
self.tick_count += 1
self.text.text = 'Tick #%s' % self.tick_count
self.canvas_0.update()
self.canvas_1.update()
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.close()
elif event.key() == QtCore.Qt.Key_F11:
self.showNormal() if self.isFullScreen() else self.showFullScreen()
class Window(QtWidgets.QWidget):
def __init__(self):
super(Window, self).__init__()
box = QtWidgets.QBoxLayout(QtWidgets.QBoxLayout.LeftToRight, self)
self.resize(500, 200)
self.setLayout(box)
self.canvas_0 = SceneCanvas(bgcolor='w')
self.vb_0 = ViewBox(parent=self.canvas_0.scene, bgcolor='r')
self.vb_0.camera.rect = -1, -1, 2, 2
self.canvas_0.events.initialize.connect(self.on_init)
self.canvas_0.events.resize.connect(
partial(on_resize, self.canvas_0, self.vb_0))
box.addWidget(self.canvas_0.native)
# pass the context from the first canvas to the second
self.canvas_1 = SceneCanvas(bgcolor='w', shared=self.canvas_0.context)
self.vb_1 = ViewBox(parent=self.canvas_1.scene, bgcolor='b')
self.vb_1.camera.rect = -1, -1, 2, 2
self.canvas_1.events.resize.connect(
partial(on_resize, self.canvas_1, self.vb_1))
box.addWidget(self.canvas_1.native)
self.tick_count = 0
self.timer = Timer(interval=1., connect=self.on_timer, start=True)
self.setWindowTitle('Shared contexts')
self.show()
def on_init(self, event):
self.text = Text('Initialized',
font_size=40.,
anchor_x='left',
anchor_y='top',
parent=[self.vb_0.scene, self.vb_1.scene])
def on_timer(self, event):
self.tick_count += 1
self.text.text = 'Tick #%s' % self.tick_count
self.canvas_0.update()
self.canvas_1.update()
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.close()
elif event.key() == QtCore.Qt.Key_F11:
self.showNormal() if self.isFullScreen() else self.showFullScreen()
class VolumeView(BaseQtWidget):
def __init__(self, _model: VolumeViewModel):
self._model = _model
self._model.register(self.update)
self._canvas = SceneCanvas()
self._viewbox = ViewBox(parent=self._canvas.scene)
self._canvas.central_widget.add_widget(self._viewbox)
self._viewbox.camera = ArcballCamera(fov=0)
self._atlas_volume = Volume(self._model.atlas_volume, parent=self._viewbox.scene) # , interpolation='nearest')
self._atlas_volume.attach(filters.ColorFilter((1., .5, 0., 1.)))
self._atlas_volume.set_gl_state('additive', depth_test=False)
self._section_image = Image(parent=self._viewbox.scene, cmap='grays')
self._section_image.attach(filters.ColorFilter((0., .5, 1., 1.)))
self._section_image.set_gl_state('additive', depth_test=False)
self._canvas.events.key_press.connect(lambda event: self._model.press_key(event.key.name))
@property
def qt_widget(self) -> QWidget:
return self._canvas.native
def update(self, changed: str) -> None:
render_funs = {
'atlas_volume': self._render_volume,
'section_image': self._render_section,
'section_transform': self._render_section_transform,
'clim': self._render_section_clim,
'sections': (lambda: ...),
}
render_funs[changed]()
def _render_section_clim(self) -> None:
self._section_image.clim = self._model.clim
self._canvas.update()
def _render_section_transform(self) -> None:
self._section_image.transform = MatrixTransform(self._model.section_transform.T)
self._canvas.update()
def _render_section(self) -> None:
self._section_image.set_data(self._model.section_image.T)
self._canvas.update()
def _render_volume(self) -> None:
model = self._model
self._atlas_volume.set_data(model.atlas_volume.swapaxes(0, 2), clim=model.volume_clim)
self._viewbox.camera.center = model.camera_center
self._viewbox.camera.scale_factor = model.camera_distance
self._canvas.update()
def reset(self):
""" Reset. """
# last key press (it should have a mutex, but visualization is not
# safety critical, so let's do things wrong)
self.action = "no" # no, next, back, quit are the possibilities
# new canvas prepared for visualizing data
self.canvas = SceneCanvas(keys='interactive', show=True)
# interface (n next, b back, q quit, very simple)
self.canvas.events.key_press.connect(self.key_press)
self.canvas.events.draw.connect(self.draw)
# grid
self.grid = self.canvas.central_widget.add_grid()
# laserscan part
self.scan_view = vispy.scene.widgets.ViewBox(
border_color='white', parent=self.canvas.scene)
self.grid.add_widget(self.scan_view, 0, 0)
self.scan_vis = visuals.Markers()
self.scan_view.camera = 'turntable'
self.scan_view.add(self.scan_vis)
visuals.XYZAxis(parent=self.scan_view.scene)
# img canvas size
self.multiplier = 1
self.canvas_W = 1024
self.canvas_H = 64
# new canvas for img
self.img_canvas = SceneCanvas(keys='interactive', show=True,
size=(self.canvas_W, self.canvas_H * self.multiplier))
# grid
self.img_grid = self.img_canvas.central_widget.add_grid()
# interface (n next, b back, q quit, very simple)
self.img_canvas.events.key_press.connect(self.key_press)
self.img_canvas.events.draw.connect(self.draw)
# add a view for the depth
self.img_view = vispy.scene.widgets.ViewBox(
border_color='white', parent=self.img_canvas.scene)
self.img_grid.add_widget(self.img_view, 0, 0)
self.img_vis = visuals.Image(cmap='viridis')
self.img_view.add(self.img_vis)
def __init__(self, _model: VolumeViewModel):
self._model = _model
self._model.register(self.update)
self._canvas = SceneCanvas()
self._viewbox = ViewBox(parent=self._canvas.scene)
self._canvas.central_widget.add_widget(self._viewbox)
self._viewbox.camera = ArcballCamera(fov=0)
self._atlas_volume = Volume(self._model.atlas_volume, parent=self._viewbox.scene) # , interpolation='nearest')
self._atlas_volume.attach(filters.ColorFilter((1., .5, 0., 1.)))
self._atlas_volume.set_gl_state('additive', depth_test=False)
self._section_image = Image(parent=self._viewbox.scene, cmap='grays')
self._section_image.attach(filters.ColorFilter((0., .5, 1., 1.)))
self._section_image.set_gl_state('additive', depth_test=False)
self._canvas.events.key_press.connect(lambda event: self._model.press_key(event.key.name))
def __init__(self):
self._canvas = SceneCanvas()
self._viewbox = ViewBox(parent=self._canvas.scene)
self._canvas.central_widget.add_widget(self._viewbox)
self._viewbox.camera = ArcballCamera(fov=0)
self._atlas_volume = Volume(
array([[[1, 2]]]) * 1000,
parent=self._viewbox.scene) # , interpolation='nearest')
self._atlas_volume.attach(filters.ColorFilter((1., .5, 0., 1.)))
self._atlas_volume.set_gl_state('additive', depth_test=False)
self._section_image = Image(parent=self._viewbox.scene, cmap='grays')
self._section_image.attach(filters.ColorFilter((0., .5, 1., 1.)))
self._section_image.set_gl_state('additive', depth_test=False)
self._canvas.events.key_press.connect(
self._handle_vispy_key_press_events)
def __init__(self):
global pos
self.visuals = []
polygon = visuals.Polygon(pos=pos,
color=(0.8, .2, 0, 1),
border_color=(1, 1, 1, 1))
polygon.transform = transforms.STTransform(scale=(200, 200),
translate=(600, 600))
self.visuals.append(polygon)
ellipse = visuals.Ellipse(pos=(0, 0, 0),
radius=(100, 150),
color=(0.2, 0.2, 0.8, 1),
border_color=(1, 1, 1, 1),
start_angle=180.,
span_angle=150.)
ellipse.transform = transforms.STTransform(scale=(0.9, 1.5),
translate=(200, 300))
self.visuals.append(ellipse)
rect = visuals.Rectangle(pos=(600, 200, 0),
height=200.,
width=300.,
radius=[30., 30., 0., 0.],
color=(0.5, 0.5, 0.2, 1),
border_color='white')
self.visuals.append(rect)
rpolygon = visuals.RegularPolygon(pos=(200., 600., 0),
radius=160,
color=(0.2, 0.8, 0.2, 1),
border_color=(1, 1, 1, 1),
sides=6)
self.visuals.append(rpolygon)
SceneCanvas.__init__(self, keys='interactive')
self.size = (800, 800)
self.show()
def plots(ids, line=True, subparts=None, mi=True, vc=True, sj=True, centering=True):
skel = get_skels(ids)
canvas = SceneCanvas(keys='interactive', show=True)
view = canvas.central_widget.add_view()
view.camera = 'turntable'
if centering:
center = skel.hull_coords.mean(0)
else:
center=np.asarray([0,0,0])
plots = plot_hull(skel, subparts, center)
if line:
plots.extend(plot_line(skel, center))
if mi or vc or sj:
plots.extend(plot_objects(skel, mi, vc, sj, center))
for obj in plots:
view.add(obj)
return view
def __init__(self):
self.canvas = SceneCanvas(keys='interactive', show=True)
self.grid = self.canvas.central_widget.add_grid()
self.view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.grid.add_widget(self.view, 0, 0)
# Point Cloud Visualizer
self.sem_vis = visuals.Markers()
self.view.camera = vispy.scene.cameras.TurntableCamera(up='z',
azimuth=90)
self.view.add(self.sem_vis)
visuals.XYZAxis(parent=self.view.scene)
# Object Detection Visualizer
self.obj_vis = visuals.Line()
self.view.add(self.obj_vis)
self.connect = np.asarray([[0, 1], [0, 3], [0, 4], [2, 1], [2, 3],
[2, 6], [5, 1], [5, 4], [5, 6], [7, 3],
[7, 4], [7, 6]])
self.data = load_data(
'data/data.p') # Change to data.p for your final submission
class SwarmVisualizer(object):
"""docstring for SwarmVisualizer."""
ARROW_SIZE = 20
def __init__(self, width=600, height=600):
self._canvas = SceneCanvas(size=(width, height),
position=(0, 0),
keys='interactive',
title="ALife book " +
self.__class__.__name__)
self._view = self._canvas.central_widget.add_view()
#self._view.camera = 'arcball'
self._view.camera = 'turntable'
self._axis = visuals.XYZAxis(parent=self._view.scene)
self._arrows = None
self._markers = None
self._canvas.show()
def update(self, position, direction):
assert position.ndim is 2 and position.shape[1] in (2, 3)
assert direction.ndim is 2 and direction.shape[1] in (2, 3)
assert position.shape[0] == direction.shape[0]
if self._arrows is None:
self._arrows = visuals.Arrow(arrow_size=self.ARROW_SIZE,
arrow_type='triangle_30',
parent=self._view.scene)
# arrow_coordinate[0::2] is position of arrow and
# arrow_coordinate[1::2] is direction of tail (length is ignored)
arrow_coordinate = np.repeat(position, 2, axis=0)
arrow_coordinate[::2] -= direction
self._arrows.set_data(arrows=arrow_coordinate.reshape((-1, 6)))
self._canvas.update()
vispy.app.process_events()
def set_markers(self, position):
assert position.ndim is 2 and position.shape[-1] in (2, 3)
if self._markers is None:
self._markers = visuals.Markers(parent=self._view.scene)
self._markers.set_data(position, face_color=(1, 0, 0), size=20)
self._canvas.update()
vispy.app.process_events()
def __bool__(self):
return not self._canvas._closed
def __init__(self, viewer):
super().__init__()
self.viewer = viewer
self.sliders = []
self.canvas = SceneCanvas(keys=None, vsync=True)
layout = QGridLayout()
self.setLayout(layout)
layout.setContentsMargins(0, 0, 0, 0)
#layout.setColumnStretch(0, 4)
row = 0
layout.addWidget(self.canvas.native, row, 0)
#layout.setRowStretch(row, 1)
self.view = self.canvas.central_widget.add_view()
# Set 2D camera (the camera will scale to the contents in the scene)
self.view.camera = PanZoomCamera(aspect=1)
# flip y-axis to have correct aligment
self.view.camera.flip = (0, 1, 0)
self.view.camera.set_range()
def __init__(self, viewer):
super().__init__()
self.canvas = SceneCanvas(keys=None, vsync=True)
self.canvas.native.setMinimumSize(QSize(100, 100))
self.view = self.canvas.central_widget.add_view()
# Set 2D camera (the camera will scale to the contents in the scene)
self.view.camera = PanZoomCamera(aspect=1)
# flip y-axis to have correct aligment
self.view.camera.flip = (0, 1, 0)
self.view.camera.set_range()
center = QWidget()
layout = QVBoxLayout()
layout.addWidget(self.canvas.native)
layout.addWidget(viewer.dimensions._qt)
center.setLayout(layout)
# Add vertical sliders, center, and layerlist
self.addWidget(viewer.controlBars._qt)
self.addWidget(center)
self.addWidget(viewer.layers._qt)
viewer.dimensions._qt.setFixedHeight(0)
v.draw()
def on_resize(event):
# Set canvas viewport and reconfigure visual transforms to match.
vp = (0, 0, canvas.physical_size[0], canvas.physical_size[1])
canvas.context.set_viewport(*vp)
for v in order:
v.transforms.configure(canvas=canvas, viewport=vp)
canvas.events.resize.connect(on_resize)
on_resize(None)
Line = create_visual_node(LineVisual)
canvas2 = SceneCanvas(keys='interactive', title='Scene Canvas', show=True)
v = canvas2.central_widget.add_view(margin=10)
v.border_color = (1, 1, 1, 1)
v.bgcolor = (0.3, 0.3, 0.3, 1)
v.camera = 'panzoom'
line2 = Line(pos, parent=v.scene)
def mouse(ev):
print(ev)
v.events.mouse_press.connect(mouse)
if __name__ == '__main__':
if sys.flags.interactive != 1:
def __init__(self, viewer):
super().__init__()
QCoreApplication.setAttribute(
Qt.AA_UseStyleSheetPropagationInWidgetStyles, True
)
self.viewer = viewer
self.dims = QtDims(self.viewer.dims)
self.controls = QtControls(self.viewer)
self.layers = QtLayerList(self.viewer.layers)
self.buttons = QtLayersButtons(self.viewer)
self.console = QtConsole({'viewer': self.viewer})
if self.console.shell is not None:
self.console.style().unpolish(self.console)
self.console.style().polish(self.console)
self.console.hide()
self.buttons.consoleButton.clicked.connect(
lambda: self._toggle_console()
)
else:
self.buttons.consoleButton.setEnabled(False)
self.canvas = SceneCanvas(keys=None, vsync=True)
self.canvas.native.setMinimumSize(QSize(200, 200))
self.canvas.connect(self.on_mouse_move)
self.canvas.connect(self.on_mouse_press)
self.canvas.connect(self.on_mouse_release)
self.canvas.connect(self.on_key_press)
self.canvas.connect(self.on_key_release)
self.canvas.connect(self.on_draw)
self.view = self.canvas.central_widget.add_view()
self._update_camera()
center = QWidget()
center_layout = QVBoxLayout()
center_layout.setContentsMargins(15, 20, 15, 10)
center_layout.addWidget(self.canvas.native)
center_layout.addWidget(self.dims)
center.setLayout(center_layout)
right = QWidget()
right_layout = QVBoxLayout()
right_layout.addWidget(self.layers)
right_layout.addWidget(self.buttons)
right.setLayout(right_layout)
right.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
left = self.controls
top = QWidget()
top_layout = QHBoxLayout()
top_layout.addWidget(left)
top_layout.addWidget(center)
top_layout.addWidget(right)
top.setLayout(top_layout)
self.setOrientation(Qt.Vertical)
self.addWidget(top)
if self.console.shell is not None:
self.addWidget(self.console)
self._last_visited_dir = str(Path.home())
self._cursors = {
'disabled': QCursor(
QPixmap(':/icons/cursor/cursor_disabled.png').scaled(20, 20)
),
'cross': Qt.CrossCursor,
'forbidden': Qt.ForbiddenCursor,
'pointing': Qt.PointingHandCursor,
'standard': QCursor(),
}
self._update_palette(viewer.palette)
self._key_release_generators = {}
self.viewer.events.interactive.connect(self._on_interactive)
self.viewer.events.cursor.connect(self._on_cursor)
self.viewer.events.reset_view.connect(self._on_reset_view)
self.viewer.events.palette.connect(
lambda event: self._update_palette(event.palette)
)
self.viewer.layers.events.reordered.connect(self._update_canvas)
self.viewer.dims.events.display.connect(
lambda event: self._update_camera()
)
self.setAcceptDrops(True)
class QtViewer(QSplitter):
with open(os.path.join(resources_dir, 'stylesheet.qss'), 'r') as f:
raw_stylesheet = f.read()
def __init__(self, viewer):
super().__init__()
QCoreApplication.setAttribute(
Qt.AA_UseStyleSheetPropagationInWidgetStyles, True
)
self.viewer = viewer
self.dims = QtDims(self.viewer.dims)
self.controls = QtControls(self.viewer)
self.layers = QtLayerList(self.viewer.layers)
self.buttons = QtLayersButtons(self.viewer)
self.console = QtConsole({'viewer': self.viewer})
if self.console.shell is not None:
self.console.style().unpolish(self.console)
self.console.style().polish(self.console)
self.console.hide()
self.buttons.consoleButton.clicked.connect(
lambda: self._toggle_console()
)
else:
self.buttons.consoleButton.setEnabled(False)
self.canvas = SceneCanvas(keys=None, vsync=True)
self.canvas.native.setMinimumSize(QSize(200, 200))
self.canvas.connect(self.on_mouse_move)
self.canvas.connect(self.on_mouse_press)
self.canvas.connect(self.on_mouse_release)
self.canvas.connect(self.on_key_press)
self.canvas.connect(self.on_key_release)
self.canvas.connect(self.on_draw)
self.view = self.canvas.central_widget.add_view()
self._update_camera()
center = QWidget()
center_layout = QVBoxLayout()
center_layout.setContentsMargins(15, 20, 15, 10)
center_layout.addWidget(self.canvas.native)
center_layout.addWidget(self.dims)
center.setLayout(center_layout)
right = QWidget()
right_layout = QVBoxLayout()
right_layout.addWidget(self.layers)
right_layout.addWidget(self.buttons)
right.setLayout(right_layout)
right.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
left = self.controls
top = QWidget()
top_layout = QHBoxLayout()
top_layout.addWidget(left)
top_layout.addWidget(center)
top_layout.addWidget(right)
top.setLayout(top_layout)
self.setOrientation(Qt.Vertical)
self.addWidget(top)
if self.console.shell is not None:
self.addWidget(self.console)
self._last_visited_dir = str(Path.home())
self._cursors = {
'disabled': QCursor(
QPixmap(':/icons/cursor/cursor_disabled.png').scaled(20, 20)
),
'cross': Qt.CrossCursor,
'forbidden': Qt.ForbiddenCursor,
'pointing': Qt.PointingHandCursor,
'standard': QCursor(),
}
self._update_palette(viewer.palette)
self._key_release_generators = {}
self.viewer.events.interactive.connect(self._on_interactive)
self.viewer.events.cursor.connect(self._on_cursor)
self.viewer.events.reset_view.connect(self._on_reset_view)
self.viewer.events.palette.connect(
lambda event: self._update_palette(event.palette)
)
self.viewer.layers.events.reordered.connect(self._update_canvas)
self.viewer.dims.events.display.connect(
lambda event: self._update_camera()
)
self.setAcceptDrops(True)
def _update_camera(self):
if np.sum(self.viewer.dims.display) == 3:
# Set a 3D camera
self.view.camera = ArcballCamera(name="ArcballCamera")
# flip y-axis to have correct alignment
self.view.camera.flip = (0, 1, 0)
min_shape, max_shape = self.viewer._calc_bbox()
centroid = np.add(max_shape, min_shape) / 2
size = np.subtract(max_shape, min_shape)
# Scale the camera to the contents in the scene
if len(centroid) > 0:
centroid = centroid[-3:]
self.view.camera.center = centroid[::-1]
self.view.camera.scale_factor = 1.5 * np.mean(size[-3:])
elif np.sum(self.viewer.dims.display) == 2:
# Set 2D camera
self.view.camera = PanZoomCamera(aspect=1, name="PanZoomCamera")
# flip y-axis to have correct alignment
self.view.camera.flip = (0, 1, 0)
# Scale the camera to the contents in the scene
self.view.camera.set_range()
else:
raise ValueError(
"Invalid display flags set in dimensions {}".format(
self.viewer.dims.display
)
)
self.view.camera.viewbox_key_event = viewbox_key_event
# TO DO: Remove
self.viewer._view = self.view
def screenshot(self):
"""Take currently displayed screen and convert to an image array.
Returns
-------
image : array
Numpy array of type ubyte and shape (h, w, 4). Index [0, 0] is the
upper-left corner of the rendered region.
"""
img = self.canvas.native.grabFramebuffer()
b = img.constBits()
h, w, c = img.height(), img.width(), 4
# As vispy doesn't use qtpy we need to reconcile the differences
# between the `QImage` API for `PySide2` and `PyQt5` on how to convert
# a QImage to a numpy array.
if API_NAME == 'PySide2':
arr = np.array(b).reshape(h, w, c)
else:
b.setsize(h * w * c)
arr = np.frombuffer(b, np.uint8).reshape(h, w, c)
# Format of QImage is ARGB32_Premultiplied, but color channels are
# reversed.
arr = arr[:, :, [2, 1, 0, 3]]
return arr
def _open_images(self):
"""Adds image files from the menubar."""
filenames, _ = QFileDialog.getOpenFileNames(
parent=self,
caption='Select image(s)...',
directory=self._last_visited_dir, # home dir by default
)
self._add_files(filenames)
def _add_files(self, filenames):
"""Adds an image layer to the viewer.
Whether the image is multichannel is determined by
:func:`napari.util.misc.is_multichannel`.
If multiple images are selected, they are stacked along the 0th
axis.
Parameters
-------
filenames : list
List of filenames to be opened
"""
if len(filenames) > 0:
image = read(filenames)
self.viewer.add_image(
image, multichannel=is_multichannel(image.shape)
)
self._last_visited_dir = os.path.dirname(filenames[0])
def _on_interactive(self, event):
self.view.interactive = self.viewer.interactive
def _on_cursor(self, event):
cursor = self.viewer.cursor
size = self.viewer.cursor_size
if cursor == 'square':
if size < 10 or size > 300:
q_cursor = self._cursors['cross']
else:
q_cursor = QCursor(
QPixmap(':/icons/cursor/cursor_square.png').scaledToHeight(
size
)
)
else:
q_cursor = self._cursors[cursor]
self.canvas.native.setCursor(q_cursor)
def _on_reset_view(self, event):
self.view.camera.rect = event.viewbox
def _update_canvas(self, event):
"""Clears draw order and refreshes canvas. Usefeul for when layers are
reoredered.
"""
self.canvas._draw_order.clear()
self.canvas.update()
def _update_palette(self, palette):
# template and apply the primary stylesheet
themed_stylesheet = template(self.raw_stylesheet, **palette)
self.console.style_sheet = themed_stylesheet
self.console.syntax_style = palette['syntax_style']
self.setStyleSheet(themed_stylesheet)
def _toggle_console(self):
"""Toggle console visible and not visible."""
self.console.setVisible(not self.console.isVisible())
self.buttons.consoleButton.setProperty(
'expanded', self.console.isVisible()
)
self.buttons.consoleButton.style().unpolish(self.buttons.consoleButton)
self.buttons.consoleButton.style().polish(self.buttons.consoleButton)
def on_mouse_move(self, event):
"""Called whenever mouse moves over canvas.
"""
layer = self.viewer.active_layer
if layer is not None:
layer.on_mouse_move(event)
def on_mouse_press(self, event):
"""Called whenever mouse pressed in canvas.
"""
layer = self.viewer.active_layer
if layer is not None:
layer.on_mouse_press(event)
def on_mouse_release(self, event):
"""Called whenever mouse released in canvas.
"""
layer = self.viewer.active_layer
if layer is not None:
layer.on_mouse_release(event)
def on_key_press(self, event):
"""Called whenever key pressed in canvas.
"""
if event.native.isAutoRepeat() or event.key is None:
return
comb = components_to_key_combo(event.key.name, event.modifiers)
layer = self.viewer.active_layer
if layer is not None and comb in layer.keymap:
parent = layer
elif comb in self.viewer.keymap:
parent = self.viewer
else:
return
func = parent.keymap[comb]
gen = func(parent)
if inspect.isgeneratorfunction(func):
try:
next(gen)
except StopIteration: # only one statement
pass
else:
self._key_release_generators[event.key] = gen
def on_key_release(self, event):
"""Called whenever key released in canvas.
"""
try:
next(self._key_release_generators[event.key])
except (KeyError, StopIteration):
pass
def on_draw(self, event):
"""Called whenever drawn in canvas. Called for all layers, not just top
"""
for layer in self.viewer.layers:
layer.on_draw(event)
def dragEnterEvent(self, event):
if event.mimeData().hasUrls():
event.accept()
else:
event.ignore()
def dropEvent(self, event):
"""Add local files and web URLS with drag and drop."""
filenames = []
for url in event.mimeData().urls():
path = url.toString()
if os.path.isfile(path):
filenames.append(path)
elif os.path.isdir(path):
filenames = filenames + list(glob(os.path.join(path, '*')))
else:
filenames.append(path)
self._add_files(filenames)
def __init__(self,
image=None,
image_path=None,
input_colourspace='ITU-R BT.709',
input_oecf='ITU-R BT.709',
input_linear=True,
reference_colourspace='CIE xyY',
correlate_colourspace='ACEScg',
settings=None,
layout='layout_1'):
self._initialised = False
title = '{0} - {1}'.format(__application_name__, __version__)
SceneCanvas.__init__(
self,
keys='interactive',
title=('{0} - {1}'.format(title, image_path)
if image_path is not None else title),
size=settings['scene_canvas']['size'],
bgcolor=settings['scene_canvas']['scene_canvas_background_colour'],
config={'samples': settings['scene_canvas']['samples']})
self.unfreeze()
self._image = None
self.image = image if image is not None else DEFAULT_FAILSAFE_IMAGE
self._image_path = None
self.image_path = image_path
self._input_colourspace = None
self.input_colourspace = input_colourspace
self._input_oecf = None
self.input_oecf = input_oecf
self._input_linear = None
self.input_linear = input_linear
self._reference_colourspace = None
self.reference_colourspace = reference_colourspace
self._correlate_colourspace = None
self.correlate_colourspace = correlate_colourspace
self._settings = (json.load(open(SETTINGS_FILE))
if settings is None else settings)
self._layout = None
self.layout = layout
self._clamp_blacks = False
self._clamp_whites = False
self._layout_presets = OrderedDict()
self._actions = {}
self._console_view = None
self._gamut_view = None
self._image_view = None
self._diagram_view = None
self._views = None
self._grid = None
self._RGB_colourspaces_cycle = cycle([
c for c in sorted(RGB_COLOURSPACES)
if c not in ('aces', 'adobe1998', 'prophoto')
])
reference_colourspaces_deque = deque(REFERENCE_COLOURSPACES)
reference_colourspaces_deque.rotate(
-REFERENCE_COLOURSPACES.index(self._reference_colourspace) - 1)
self._reference_colourspaces_cycle = cycle(
reference_colourspaces_deque)
self._create_layout_presets()
self._create_actions()
self._create_views()
self._layout_views()
self.show()
self._initialised = True
class PointVis:
"""Class that creates and handles a visualizer for a pointcloud"""
def __init__(self,
target_pts=None,
viz_dict=None,
viz_point=True,
viz_label=True,
viz_joint=False,
viz_box=False):
self.viz_point = viz_point
self.viz_label = viz_label
self.viz_joint = viz_joint
self.viz_box = viz_box
self.viz_label = viz_label
self.reset()
self.update_scan(target_pts, viz_dict)
def reset(self, sem_color_dict=None):
""" Reset. """
# new canvas prepared for visualizing data
self.map_color(sem_color_dict=sem_color_dict)
self.canvas = SceneCanvas(keys='interactive', show=True)
# grid
self.grid = self.canvas.central_widget.add_grid()
# laserscan part
self.scan_view = vispy.scene.widgets.ViewBox(border_color='white',
parent=self.canvas.scene)
self.grid.add_widget(self.scan_view, 0, 0)
self.scan_view.camera = 'turntable'
self.scan_vis = visuals.Markers()
self.scan_view.add(self.scan_vis)
if self.viz_joint:
self.joint_vis = visuals.Arrow(connect='segments',
arrow_size=18,
color='blue',
width=10,
arrow_type='angle_60')
self.arrow_length = 10
self.scan_view.add(self.joint_vis)
if self.viz_box:
vertices, faces, outline = create_box(width=1,
height=1,
depth=1,
width_segments=1,
height_segments=1,
depth_segments=1)
vertices['color'][:, 3] = 0.2
# breakpoint()
self.box = visuals.Box(vertex_colors=vertices['color'],
edge_color='b')
self.box.transform = STTransform(translate=[-2.5, 0, 0])
self.theta = 0
self.phi = 0
self.scan_view.add(self.box)
visuals.XYZAxis(parent=self.scan_view.scene)
# add nocs
if self.viz_label:
print("Using nocs in visualizer")
self.nocs_view = vispy.scene.widgets.ViewBox(
border_color='white', parent=self.canvas.scene)
self.grid.add_widget(self.nocs_view, 0, 1)
self.label_vis = visuals.Markers()
self.nocs_view.camera = 'turntable'
self.nocs_view.add(self.label_vis)
visuals.XYZAxis(parent=self.nocs_view.scene)
self.nocs_view.camera.link(self.scan_view.camera)
def update_scan(self, points, viz_dict=None):
# then change names
self.canvas.title = "scan "
if viz_dict is not None:
# input_point_seq = viz_dict['input']
# input_index_seq = viz_dict['coord'] #(3, 150000, 2)
# # npts = viz_dict['npts'] # (3,)
# npts = [150000, 150000, 150000]
# for i, num in enumerate(npts[:1]):
# target_pts = input_point_seq[i, 0, :num, 0:3]
# indices = input_index_seq[i, 0]
# idxs = np.where(indices[:, 0]==200)[0]
# target_pts = target_pts[idxs]
# indices = indices[idxs]
# y_value = [indices[100, 1], indices[800, 1], indices[1200,1]]
# idys = list(np.where(indices[:, 1]==y_value[2])[0]) # + list(np.where(indices[:, 1]==y_value[1])[0]) + list(np.where(indices[:, 1]==y_value[2])[0])
# target_pts = target_pts[idys]
target_pts = np.concatenate(
[viz_dict['input1'], viz_dict['input2']], axis=0)
gt_labels = np.concatenate([
viz_dict['label'], 4 * np.ones(
(viz_dict['input2'].shape[0]), dtype=np.int32)
],
axis=0)
print(np.max(target_pts, axis=0).reshape(1, 3))
print(np.min(target_pts, axis=0).reshape(1, 3))
# target_pts = target_pts - (np.max(target_pts, axis=0) + np.min(target_pts, axis=0))/2
power = 16
range_data = np.copy(np.linalg.norm(target_pts, axis=1))
range_data = range_data**(1 / power)
viridis_range = ((range_data - range_data.min()) /
(range_data.max() - range_data.min()) *
255).astype(np.uint8)
viridis_map = self.get_mpl_colormap("viridis")
viridis_colors = viridis_map[viridis_range]
self.scan_vis.set_data(target_pts,
face_color=viridis_colors[..., ::-1],
edge_color=viridis_colors[..., ::-1],
size=5)
# plot nocs
if self.viz_label:
label_colors = self.sem_color_lut[gt_labels]
label_colors = label_colors.reshape((-1, 3))
self.label_vis.set_data(target_pts,
face_color=label_colors[..., ::-1],
edge_color=label_colors[..., ::-1],
size=5)
# time.sleep(15)
if self.viz_joint:
self.update_joints()
if self.viz_box:
self.update_boxes()
def map_color(self, max_classes=20, sem_color_dict=None):
# make semantic colors
if sem_color_dict:
# if I have a dict, make it
max_sem_key = 0
for key, data in sem_color_dict.items():
if key + 1 > max_sem_key:
max_sem_key = key + 1
self.sem_color_lut = np.zeros((max_sem_key + 100, 3),
dtype=np.float32)
for key, value in sem_color_dict.items():
self.sem_color_lut[key] = np.array(value, np.float32) / 255.0
else:
# otherwise make random
max_sem_key = max_classes
self.sem_color_lut = np.random.uniform(low=0.0,
high=1.0,
size=(max_sem_key, 3))
# force zero to a gray-ish color
self.sem_color_lut[0] = np.full((3), 0.2)
self.sem_color_lut[4] = np.full((3), 0.6)
self.sem_color_lut[1] = np.array([1.0, 0.0, 0.0])
self.sem_color_lut[2] = np.array([0.0, 0.0, 1.0])
def get_mpl_colormap(self, cmap_name):
cmap = plt.get_cmap(cmap_name)
# Initialize the matplotlib color map
sm = plt.cm.ScalarMappable(cmap=cmap)
# Obtain linear color range
color_range = sm.to_rgba(np.linspace(0, 1, 256), bytes=True)[:, 2::-1]
return color_range.reshape(256, 3).astype(np.float32) / 255.0
def update_joints(self, joints=None):
# plot
if joints is not None:
start_coords = joints['p'].reshape(1, 3)
point_towards = start_coords + joints['l'].reshape(1, 3)
else:
start_coords = np.array([[1, 0, 0], [-1, 0, 0]])
point_towards = np.array([[0, 0, 1], [0, 0, 1]])
direction_vectors = (start_coords - point_towards).astype(np.float32)
norms = np.sqrt(np.sum(direction_vectors**2, axis=-1))
direction_vectors[:, 0] /= norms
direction_vectors[:, 1] /= norms
direction_vectors[:, 2] /= norms
vertices = np.repeat(start_coords, 2, axis=0)
vertices[::2] = vertices[::2] + (
(0.5 * self.arrow_length) * direction_vectors)
vertices[1::2] = vertices[1::2] - (
(0.5 * self.arrow_length) * direction_vectors)
self.joint_vis.set_data(
pos=vertices,
arrows=vertices.reshape((len(vertices) // 2, 6)),
)
def update_boxes(self):
pass
def draw(self, event):
if self.canvas.events.key_press.blocked():
self.canvas.events.key_press.unblock()
if self.img_canvas.events.key_press.blocked():
self.img_canvas.events.key_press.unblock()
def destroy(self):
# destroy the visualization
self.canvas.close()
vispy.app.quit()
def run(self):
vispy.app.run()
def __init__(self, viewer):
super().__init__()
self.setAttribute(Qt.WA_DeleteOnClose)
self.pool = QThreadPool()
QCoreApplication.setAttribute(
Qt.AA_UseStyleSheetPropagationInWidgetStyles, True)
self.viewer = viewer
self.dims = QtDims(self.viewer.dims)
self.controls = QtControls(self.viewer)
self.layers = QtLayerList(self.viewer.layers)
self.layerButtons = QtLayerButtons(self.viewer)
self.viewerButtons = QtViewerButtons(self.viewer)
self.console = QtConsole({'viewer': self.viewer})
layerList = QWidget()
layerList.setObjectName('layerList')
layerListLayout = QVBoxLayout()
layerListLayout.addWidget(self.layerButtons)
layerListLayout.addWidget(self.layers)
layerListLayout.addWidget(self.viewerButtons)
layerListLayout.setContentsMargins(8, 4, 8, 6)
layerList.setLayout(layerListLayout)
self.dockLayerList = QtViewerDockWidget(
self,
layerList,
name='layer list',
area='left',
allowed_areas=['left', 'right'],
)
self.dockLayerControls = QtViewerDockWidget(
self,
self.controls,
name='layer controls',
area='left',
allowed_areas=['left', 'right'],
)
self.dockConsole = QtViewerDockWidget(
self,
self.console,
name='console',
area='bottom',
allowed_areas=['top', 'bottom'],
shortcut='Ctrl+Shift+C',
)
self.dockConsole.setVisible(False)
self.dockLayerControls.visibilityChanged.connect(self._constrain_width)
self.dockLayerList.setMaximumWidth(258)
self.dockLayerList.setMinimumWidth(258)
# This dictionary holds the corresponding vispy visual for each layer
self.layer_to_visual = {}
if self.console.shell is not None:
self.viewerButtons.consoleButton.clicked.connect(
lambda: self.toggle_console())
else:
self.viewerButtons.consoleButton.setEnabled(False)
self.canvas = SceneCanvas(keys=None, vsync=True, parent=self)
self.canvas.events.ignore_callback_errors = False
self.canvas.events.draw.connect(self.dims.enable_play)
self.canvas.native.setMinimumSize(QSize(200, 200))
self.canvas.context.set_depth_func('lequal')
self.canvas.connect(self.on_mouse_move)
self.canvas.connect(self.on_mouse_press)
self.canvas.connect(self.on_mouse_release)
self.canvas.connect(self.on_key_press)
self.canvas.connect(self.on_key_release)
self.canvas.connect(self.on_draw)
self.view = self.canvas.central_widget.add_view()
self._update_camera()
main_widget = QWidget()
main_layout = QVBoxLayout()
main_layout.setContentsMargins(10, 22, 10, 2)
main_layout.addWidget(self.canvas.native)
main_layout.addWidget(self.dims)
main_layout.setSpacing(10)
main_widget.setLayout(main_layout)
self.setOrientation(Qt.Vertical)
self.addWidget(main_widget)
self._last_visited_dir = str(Path.home())
self._cursors = {
'disabled':
QCursor(
QPixmap(':/icons/cursor/cursor_disabled.png').scaled(20, 20)),
'cross':
Qt.CrossCursor,
'forbidden':
Qt.ForbiddenCursor,
'pointing':
Qt.PointingHandCursor,
'standard':
QCursor(),
}
self._update_palette(viewer.palette)
self._key_release_generators = {}
self.viewer.events.interactive.connect(self._on_interactive)
self.viewer.events.cursor.connect(self._on_cursor)
self.viewer.events.reset_view.connect(self._on_reset_view)
self.viewer.events.palette.connect(
lambda event: self._update_palette(event.palette))
self.viewer.layers.events.reordered.connect(self._reorder_layers)
self.viewer.layers.events.added.connect(self._add_layer)
self.viewer.layers.events.removed.connect(self._remove_layer)
self.viewer.dims.events.camera.connect(
lambda event: self._update_camera())
# stop any animations whenever the layers change
self.viewer.events.layers_change.connect(lambda x: self.dims.stop())
self.setAcceptDrops(True)
class QtViewer(QSplitter):
"""Qt view for the napari Viewer model.
Parameters
----------
viewer : napari.components.ViewerModel
Napari viewer containing the rendered scene, layers, and controls.
Attributes
----------
canvas : vispy.scene.SceneCanvas
Canvas for rendering the current view.
console : QtConsole
iPython console terminal integrated into the napari GUI.
controls : QtControls
Qt view for GUI controls.
dims : napari.qt_dims.QtDims
Dimension sliders; Qt View for Dims model.
dockConsole : QtViewerDockWidget
QWidget wrapped in a QDockWidget with forwarded viewer events.
aboutKeybindings : QtAboutKeybindings
Key bindings for the 'About' Qt dialog.
dockLayerControls : QtViewerDockWidget
QWidget wrapped in a QDockWidget with forwarded viewer events.
dockLayerList : QtViewerDockWidget
QWidget wrapped in a QDockWidget with forwarded viewer events.
layerButtons : QtLayerButtons
Button controls for napari layers.
layers : QtLayerList
Qt view for LayerList controls.
layer_to_visual : dict
Dictionary mapping napari layers with their corresponding vispy_layers.
pool : qtpy.QtCore.QThreadPool
Pool of worker threads.
view : vispy scene widget
View displayed by vispy canvas. Adds a vispy ViewBox as a child widget.
viewer : napari.components.ViewerModel
Napari viewer containing the rendered scene, layers, and controls.
viewerButtons : QtViewerButtons
Button controls for the napari viewer.
"""
raw_stylesheet = combine_stylesheets()
def __init__(self, viewer):
super().__init__()
self.setAttribute(Qt.WA_DeleteOnClose)
self.pool = QThreadPool()
QCoreApplication.setAttribute(
Qt.AA_UseStyleSheetPropagationInWidgetStyles, True)
self.viewer = viewer
self.dims = QtDims(self.viewer.dims)
self.controls = QtControls(self.viewer)
self.layers = QtLayerList(self.viewer.layers)
self.layerButtons = QtLayerButtons(self.viewer)
self.viewerButtons = QtViewerButtons(self.viewer)
self.console = QtConsole({'viewer': self.viewer})
layerList = QWidget()
layerList.setObjectName('layerList')
layerListLayout = QVBoxLayout()
layerListLayout.addWidget(self.layerButtons)
layerListLayout.addWidget(self.layers)
layerListLayout.addWidget(self.viewerButtons)
layerListLayout.setContentsMargins(8, 4, 8, 6)
layerList.setLayout(layerListLayout)
self.dockLayerList = QtViewerDockWidget(
self,
layerList,
name='layer list',
area='left',
allowed_areas=['left', 'right'],
)
self.dockLayerControls = QtViewerDockWidget(
self,
self.controls,
name='layer controls',
area='left',
allowed_areas=['left', 'right'],
)
self.dockConsole = QtViewerDockWidget(
self,
self.console,
name='console',
area='bottom',
allowed_areas=['top', 'bottom'],
shortcut='Ctrl+Shift+C',
)
self.dockConsole.setVisible(False)
self.dockLayerControls.visibilityChanged.connect(self._constrain_width)
self.dockLayerList.setMaximumWidth(258)
self.dockLayerList.setMinimumWidth(258)
# This dictionary holds the corresponding vispy visual for each layer
self.layer_to_visual = {}
if self.console.shell is not None:
self.viewerButtons.consoleButton.clicked.connect(
lambda: self.toggle_console())
else:
self.viewerButtons.consoleButton.setEnabled(False)
self.canvas = SceneCanvas(keys=None, vsync=True, parent=self)
self.canvas.events.ignore_callback_errors = False
self.canvas.events.draw.connect(self.dims.enable_play)
self.canvas.native.setMinimumSize(QSize(200, 200))
self.canvas.context.set_depth_func('lequal')
self.canvas.connect(self.on_mouse_move)
self.canvas.connect(self.on_mouse_press)
self.canvas.connect(self.on_mouse_release)
self.canvas.connect(self.on_key_press)
self.canvas.connect(self.on_key_release)
self.canvas.connect(self.on_draw)
self.view = self.canvas.central_widget.add_view()
self._update_camera()
main_widget = QWidget()
main_layout = QVBoxLayout()
main_layout.setContentsMargins(10, 22, 10, 2)
main_layout.addWidget(self.canvas.native)
main_layout.addWidget(self.dims)
main_layout.setSpacing(10)
main_widget.setLayout(main_layout)
self.setOrientation(Qt.Vertical)
self.addWidget(main_widget)
self._last_visited_dir = str(Path.home())
self._cursors = {
'disabled':
QCursor(
QPixmap(':/icons/cursor/cursor_disabled.png').scaled(20, 20)),
'cross':
Qt.CrossCursor,
'forbidden':
Qt.ForbiddenCursor,
'pointing':
Qt.PointingHandCursor,
'standard':
QCursor(),
}
self._update_palette(viewer.palette)
self._key_release_generators = {}
self.viewer.events.interactive.connect(self._on_interactive)
self.viewer.events.cursor.connect(self._on_cursor)
self.viewer.events.reset_view.connect(self._on_reset_view)
self.viewer.events.palette.connect(
lambda event: self._update_palette(event.palette))
self.viewer.layers.events.reordered.connect(self._reorder_layers)
self.viewer.layers.events.added.connect(self._add_layer)
self.viewer.layers.events.removed.connect(self._remove_layer)
self.viewer.dims.events.camera.connect(
lambda event: self._update_camera())
# stop any animations whenever the layers change
self.viewer.events.layers_change.connect(lambda x: self.dims.stop())
self.setAcceptDrops(True)
def _constrain_width(self, event):
"""Allow the layer controls to be wider, only if floated.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if self.dockLayerControls.isFloating():
self.controls.setMaximumWidth(700)
else:
self.controls.setMaximumWidth(220)
def _add_layer(self, event):
"""When a layer is added, set its parent and order.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
layers = event.source
layer = event.item
vispy_layer = create_vispy_visual(layer)
vispy_layer.camera = self.view.camera
vispy_layer.node.parent = self.view.scene
vispy_layer.order = len(layers)
self.layer_to_visual[layer] = vispy_layer
def _remove_layer(self, event):
"""When a layer is removed, remove its parent.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
layer = event.item
vispy_layer = self.layer_to_visual[layer]
vispy_layer.node.transforms = ChainTransform()
vispy_layer.node.parent = None
del self.layer_to_visual[layer]
def _reorder_layers(self, event):
"""When the list is reordered, propagate changes to draw order.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
for i, layer in enumerate(self.viewer.layers):
vispy_layer = self.layer_to_visual[layer]
vispy_layer.order = i
self.canvas._draw_order.clear()
self.canvas.update()
def _update_camera(self):
"""Update the viewer camera."""
if self.viewer.dims.ndisplay == 3:
# Set a 3D camera
if not isinstance(self.view.camera, ArcballCamera):
self.view.camera = ArcballCamera(name="ArcballCamera", fov=0)
# flip y-axis to have correct alignment
# self.view.camera.flip = (0, 1, 0)
self.view.camera.viewbox_key_event = viewbox_key_event
self.viewer.reset_view()
else:
# Set 2D camera
if not isinstance(self.view.camera, PanZoomCamera):
self.view.camera = PanZoomCamera(aspect=1,
name="PanZoomCamera")
# flip y-axis to have correct alignment
self.view.camera.flip = (0, 1, 0)
self.view.camera.viewbox_key_event = viewbox_key_event
self.viewer.reset_view()
def screenshot(self, path=None):
"""Take currently displayed screen and convert to an image array.
Parmeters
---------
path : str
Filename for saving screenshot image.
Returns
-------
image : array
Numpy array of type ubyte and shape (h, w, 4). Index [0, 0] is the
upper-left corner of the rendered region.
"""
img = self.canvas.native.grabFramebuffer()
if path is not None:
imsave(path, QImg2array(img)) # scikit-image imsave method
return QImg2array(img)
def _save_screenshot(self):
"""Save screenshot of current display, default .png"""
filename, _ = QFileDialog.getSaveFileName(
parent=self,
caption='',
directory=self._last_visited_dir, # home dir by default
filter=
"Image files (*.png *.bmp *.gif *.tif *.tiff)", # first one used by default
# jpg and jpeg not included as they don't support an alpha channel
)
if (filename != '') and (filename is not None):
# double check that an appropriate extension has been added as the filter
# filter option does not always add an extension on linux and windows
# see https://bugreports.qt.io/browse/QTBUG-27186
image_extensions = ('.bmp', '.gif', '.png', '.tif', '.tiff')
if not filename.endswith(image_extensions):
filename = filename + '.png'
self.screenshot(path=filename)
def _open_images(self):
"""Add image files from the menubar."""
filenames, _ = QFileDialog.getOpenFileNames(
parent=self,
caption='Select image(s)...',
directory=self._last_visited_dir, # home dir by default
)
if (filenames != []) and (filenames is not None):
self._add_files(filenames)
def _open_folder(self):
"""Add a folder of files from the menubar."""
folder = QFileDialog.getExistingDirectory(
parent=self,
caption='Select folder...',
directory=self._last_visited_dir, # home dir by default
)
if folder not in {'', None}:
self._add_files([folder])
def _add_files(self, filenames):
"""Add an image layer to the viewer.
If multiple images are selected, they are stacked along the 0th
axis.
Parameters
-------
filenames : list
List of filenames to be opened
"""
if len(filenames) > 0:
self.viewer.add_image(path=filenames)
self._last_visited_dir = os.path.dirname(filenames[0])
def _on_interactive(self, event):
"""Link interactive attributes of view and viewer.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
self.view.interactive = self.viewer.interactive
def _on_cursor(self, event):
"""Set the appearance of the mouse cursor.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
cursor = self.viewer.cursor
size = self.viewer.cursor_size
if cursor == 'square':
if size < 10 or size > 300:
q_cursor = self._cursors['cross']
else:
q_cursor = QCursor(
QPixmap(':/icons/cursor/cursor_square.png').scaledToHeight(
size))
else:
q_cursor = self._cursors[cursor]
self.canvas.native.setCursor(q_cursor)
def _on_reset_view(self, event):
"""Reset view of the rendered scene.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if isinstance(self.view.camera, ArcballCamera):
quat = self.view.camera._quaternion.create_from_axis_angle(
*event.quaternion)
self.view.camera._quaternion = quat
self.view.camera.center = event.center
self.view.camera.scale_factor = event.scale_factor
else:
# Assumes default camera has the same properties as PanZoomCamera
self.view.camera.rect = event.rect
def _update_palette(self, palette):
"""Update the napari GUI theme.
Parameters
----------
palette : dict of str: str
Color palette with which to style the viewer.
Property of napari.components.viewer_model.ViewerModel
"""
# template and apply the primary stylesheet
themed_stylesheet = template(self.raw_stylesheet, **palette)
self.console.style_sheet = themed_stylesheet
self.console.syntax_style = palette['syntax_style']
bracket_color = QtGui.QColor(*str_to_rgb(palette['highlight']))
self.console._bracket_matcher.format.setBackground(bracket_color)
self.setStyleSheet(themed_stylesheet)
self.canvas.bgcolor = palette['canvas']
def toggle_console(self):
"""Toggle console visible and not visible."""
viz = not self.dockConsole.isVisible()
# modulate visibility at the dock widget level as console is docakable
self.dockConsole.setVisible(viz)
if self.dockConsole.isFloating():
self.dockConsole.setFloating(True)
self.viewerButtons.consoleButton.setProperty(
'expanded', self.dockConsole.isVisible())
self.viewerButtons.consoleButton.style().unpolish(
self.viewerButtons.consoleButton)
self.viewerButtons.consoleButton.style().polish(
self.viewerButtons.consoleButton)
def show_keybindings_dialog(self, event=None):
dialog = QtAboutKeybindings(self.viewer, parent=self)
dialog.show()
def on_mouse_press(self, event):
"""Called whenever mouse pressed in canvas.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if event.pos is None:
return
event = ReadOnlyWrapper(event)
mouse_press_callbacks(self.viewer, event)
layer = self.viewer.active_layer
if layer is not None:
# Line bellow needed until layer mouse callbacks are refactored
self.layer_to_visual[layer].on_mouse_press(event)
mouse_press_callbacks(layer, event)
def on_mouse_move(self, event):
"""Called whenever mouse moves over canvas.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if event.pos is None:
return
mouse_move_callbacks(self.viewer, event)
layer = self.viewer.active_layer
if layer is not None:
# Line bellow needed until layer mouse callbacks are refactored
self.layer_to_visual[layer].on_mouse_move(event)
mouse_move_callbacks(layer, event)
def on_mouse_release(self, event):
"""Called whenever mouse released in canvas.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
mouse_release_callbacks(self.viewer, event)
layer = self.viewer.active_layer
if layer is not None:
# Line bellow needed until layer mouse callbacks are refactored
self.layer_to_visual[layer].on_mouse_release(event)
mouse_release_callbacks(layer, event)
def on_key_press(self, event):
"""Called whenever key pressed in canvas.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if (event.native is not None and event.native.isAutoRepeat()
and event.key.name not in ['Up', 'Down', 'Left', 'Right'
]) or event.key is None:
# pass is no key is present or if key is held down, unless the
# key being held down is one of the navigation keys
return
comb = components_to_key_combo(event.key.name, event.modifiers)
layer = self.viewer.active_layer
if layer is not None and comb in layer.keymap:
parent = layer
elif comb in self.viewer.keymap:
parent = self.viewer
else:
return
func = parent.keymap[comb]
gen = func(parent)
if inspect.isgenerator(gen):
try:
next(gen)
except StopIteration: # only one statement
pass
else:
self._key_release_generators[event.key] = gen
def on_key_release(self, event):
"""Called whenever key released in canvas.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
try:
next(self._key_release_generators[event.key])
except (KeyError, StopIteration):
pass
def on_draw(self, event):
"""Called whenever drawn in canvas. Called for all layers, not just top
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
for visual in self.layer_to_visual.values():
visual.on_draw(event)
def keyPressEvent(self, event):
"""Called whenever a key is pressed.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
self.canvas._backend._keyEvent(self.canvas.events.key_press, event)
event.accept()
def keyReleaseEvent(self, event):
"""Called whenever a key is released.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
self.canvas._backend._keyEvent(self.canvas.events.key_release, event)
event.accept()
def dragEnterEvent(self, event):
"""Ignore event if not dragging & dropping a file or URL to open.
Using event.ignore() here allows the event to pass through the
parent widget to its child widget, otherwise the parent widget
would catch the event and not pass it on to the child widget.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
if event.mimeData().hasUrls():
event.accept()
else:
event.ignore()
def dropEvent(self, event):
"""Add local files and web URLS with drag and drop.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
filenames = []
for url in event.mimeData().urls():
if url.isLocalFile():
filenames.append(url.toLocalFile())
else:
filenames.append(url.toString())
self._add_files(filenames)
def closeEvent(self, event):
"""Clear pool of worker threads and close.
Parameters
----------
event : qtpy.QtCore.QEvent
Event from the Qt context.
"""
# if the viewer.QtDims object is playing an axis, we need to terminate
# the AnimationThread before close, otherwise it will cauyse a segFault
# or Abort trap. (calling stop() when no animation is occuring is also
# not a problem)
self.dims.stop()
self.canvas.native.deleteLater()
self.console.close()
self.dockConsole.deleteLater()
if not self.pool.waitForDone(10000):
raise TimeoutError("Timed out waiting for QtViewer.pool to finish")
event.accept()
class LatticeRenderer:
BACKGROUND_COLOR = ColorArray('w')
GROUND_COLOR = ColorArray('#A2C9F5',0.6)
GROUND_BORDER_COLOR = ColorArray('#A2C9F5')
d_lattice_node = None
lattice_node = None
toolpath_node = None
def __init__(self):
self.canvas = SceneCanvas(
title = "Lattice Visualizer",
keys = 'interactive',
size = (800, 600),
show = True,
bgcolor = self.BACKGROUND_COLOR
)
self.canvas.measure_fps()
self.key_functions = {
'1': self.reset_camera,
'd': self.visible_x_up,
'a': self.visible_x_down,
'z': self.visible_x_all,
'w': self.visible_y_up,
's': self.visible_y_down,
'x': self.visible_y_all,
'e': self.visible_z_up,
'q': self.visible_z_down,
'c': self.visible_z_all
}
# Register key press events
@self.canvas.events.key_press.connect
def on_key_press(event):
if event.text in self.key_functions:
self.key_functions[event.text]()
# Set up a viewbox to display the cube with interactive arcball
self.camera = cameras.ArcballCamera()
self.view = self.canvas.central_widget.add_view(self.camera)
def load_environment(self, dim, cs):
bounds = dim * cs
axes = CoolAxes(pos=(-2*cs,-2*cs,-cs),width=2,scale=cs)
self.camera.center = bounds / 2
self.camera.set_range((-cs,bounds[0]+cs),(-cs,bounds[1]+cs),(-cs,bounds[2]+cs))
self.camera.set_default_state()
ground_plane = visuals.Rectangle(
pos = (bounds[0] / 2, bounds[1] / 2, 0),
color = self.GROUND_COLOR,
width = bounds[0] + 2 * cs,
height = bounds[1] + 2 * cs,
border_color = self.GROUND_BORDER_COLOR
)
self.view.add(axes)
self.view.add(ground_plane)
def load_dynamic_lattice(self, lattice):
self.load_environment(lattice.dim, lattice.cs)
self.d_lattice_node = DynamicLatticeNode(lattice, (0,0,0))
self.view.add(self.d_lattice_node)
self.lattice_node = LatticeNode(lattice, True)
self.view.add(self.lattice_node)
def load_lattice(self, lattice):
self.load_environment(lattice.dim, lattice.cs)
self.lattice_node = LatticeNode(lattice)
self.view.add(self.lattice_node)
def load_toolpath(self, toolpath):
self.toolpath_node = visuals.Line(
np.array(toolpath.vertices),
connect='strip',
antialias=True,
color='b'
)
self.view.add(self.toolpath_node)
def reset_camera(self):
self.camera.reset()
def visible_x_up(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('x','up')
def visible_x_down(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('x','down')
def visible_x_all(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('x','all')
def visible_y_up(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('y','up')
def visible_y_down(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('y','down')
def visible_y_all(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('y','all')
def visible_z_up(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('z','up')
def visible_z_down(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('z','down')
def visible_z_all(self):
if self.d_lattice_node: self.d_lattice_node.change_visible('z','all')
def render(self):
self.canvas.app.run()
