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import director.applogic as app from director import lcmUtils from director import visualization as vis from director import filterUtils from director import drcargs from director.shallowCopy import shallowCopy from director.timercallback import TimerCallback from director import objectmodel as om import director.vtkAll as vtk import PythonQt from PythonQt import QtCore, QtGui
class KinectItem(om.ObjectModelItem):
def __init__(self, model):
om.ObjectModelItem.__init__(self, 'Kinect', om.Icons.Eye)
self.model = model self.scalarBarWidget = None self.addProperty('Color By', 1, attributes=om.PropertyAttributes(enumNames=['Solid Color', 'rgb_colors'])) self.addProperty('Updates Enabled', True) self.addProperty('Framerate', model.targetFps, attributes=om.PropertyAttributes(decimals=0, minimum=1.0, maximum=30.0, singleStep=1, hidden=False)) self.addProperty('Visible', model.visible) #self.addProperty('Point Size', model.pointSize, # attributes=om.PropertyAttributes(decimals=0, minimum=1, maximum=20, singleStep=1, hidden=False)) #self.addProperty('Alpha', model.alpha, # attributes=om.PropertyAttributes(decimals=2, minimum=0, maximum=1.0, singleStep=0.1, hidden=False)) #self.addProperty('Color', QtGui.QColor(255,255,255))
def _onPropertyChanged(self, propertySet, propertyName): om.ObjectModelItem._onPropertyChanged(self, propertySet, propertyName)
if propertyName == 'Updates Enabled': if self.getProperty('Updates Enabled'): self.model.start() else: self.model.stop()
#elif propertyName == 'Alpha': # self.model.setAlpha(self.getProperty(propertyName))
elif propertyName == 'Visible': self.model.setVisible(self.getProperty(propertyName))
#elif propertyName == 'Point Size': # self.model.setPointSize(self.getProperty(propertyName))
elif propertyName == 'Framerate': self.model.setFPS(self.getProperty('Framerate'))
elif propertyName == 'Color By': self._updateColorBy()
self.model.polyDataObj._renderAllViews()
def _updateColorBy(self):
arrayMap = { 0 : 'Solid Color', 1 : 'rgb_colors' }
colorBy = self.getProperty('Color By') arrayName = arrayMap.get(colorBy)
self.model.polyDataObj.setProperty('Color By', arrayName)
class KinectSource(TimerCallback):
def __init__(self, view, _KinectQueue): self.view = view self.KinectQueue = _KinectQueue
self.visible = True
self.p = vtk.vtkPolyData() utime = KinectQueue.getPointCloudFromKinect(self.p) self.polyDataObj = vis.PolyDataItem('kinect source', shallowCopy(self.p), view) self.polyDataObj.actor.SetPickable(1) self.polyDataObj.initialized = False
om.addToObjectModel(self.polyDataObj)
self.queue = PythonQt.dd.ddBotImageQueue(lcmUtils.getGlobalLCMThread()) self.queue.init(lcmUtils.getGlobalLCMThread(), drcargs.args().config_file)
self.targetFps = 30 self.timerCallback = TimerCallback(targetFps=self.targetFps) self.timerCallback.callback = self._updateSource #self.timerCallback.start()
def start(self): self.timerCallback.start()
def stop(self): self.timerCallback.stop()
def setFPS(self, framerate): self.targetFps = framerate self.timerCallback.stop() self.timerCallback.targetFps = framerate self.timerCallback.start()
def setVisible(self, visible): self.polyDataObj.setProperty('Visible', visible)
def _updateSource(self): p = vtk.vtkPolyData() utime = self.KinectQueue.getPointCloudFromKinect(p)
if not p.GetNumberOfPoints(): return
cameraToLocalFused = vtk.vtkTransform() self.queue.getTransform('KINECT_RGB', 'local', utime, cameraToLocalFused) p = filterUtils.transformPolyData(p, cameraToLocalFused) self.polyDataObj.setPolyData(p)
if not self.polyDataObj.initialized: self.polyDataObj.setProperty('Color By', 'rgb_colors') self.polyDataObj.initialized = True
def init(view): global KinectQueue, _kinectItem, _kinectSource KinectQueue = PythonQt.dd.ddKinectLCM(lcmUtils.getGlobalLCMThread()) KinectQueue.init(lcmUtils.getGlobalLCMThread(), drcargs.args().config_file)
_kinectSource = KinectSource(view, KinectQueue) _kinectSource.start()
sensorsFolder = om.getOrCreateContainer('sensors')
_kinectItem = KinectItem(_kinectSource) om.addToObjectModel(_kinectItem, sensorsFolder)
# Hasn't been used - currently deactivated #def renderLastKinectPointCloud(): # # view = view or app.getCurrentRenderView() # # if view is None: # # return # p = vtk.vtkPolyData() # print("will grab the last point cloud in python \n") # KinectQueue.getPointCloudFromKinect(p) # print("grabbed the last point cloud in python, will #render now \n") # obj = vis.showPolyData (p, 'kinect cloud') # print("director rendered last point cloud \n")
def startButton(): view = app.getCurrentRenderView() init(view) _kinectSource.start()
app.addToolbarMacro('start live kinect', startButton) |