def removePlaneAndBeyond(polyData, expectedNormal=[1,0,0], filterRange=[-np.inf, -0.03], whichAxis=1, whichAxisLetter='y', percentile = 95):
yvalues = vnp.getNumpyFromVtk(polyData, 'Points')[:, whichAxis]
backY = np.percentile(yvalues, percentile)
if ( percentile > 50):
searchRegion = segmentation.thresholdPoints(polyData, whichAxisLetter, [backY - 0.1, np.inf])
else:
searchRegion = segmentation.thresholdPoints(polyData, whichAxisLetter, [-np.inf, backY + 0.1])
vis.updatePolyData(searchRegion, 'search region', parent="segmentation", colorByName=whichAxisLetter, visible=False)
# find the plane of the back wall, remove it and the points behind it:
_, origin, normal = segmentation.applyPlaneFit(searchRegion, distanceThreshold=0.02, expectedNormal=expectedNormal, perpendicularAxis=expectedNormal, returnOrigin=True)
points = vnp.getNumpyFromVtk(polyData, 'Points')
dist = np.dot(points - origin, normal)
vnp.addNumpyToVtk(polyData, dist, 'dist_to_plane')
backFrame = transformUtils.getTransformFromOriginAndNormal(origin, normal, normalAxis=2)
vis.updateFrame(backFrame, 'back frame', parent='segmentation', scale=0.15 , visible=False)
vis.updatePolyData(polyData, 'dist to back', parent='segmentation', visible=False)
polyData = segmentation.thresholdPoints(polyData, 'dist_to_plane', filterRange)
vis.updatePolyData(polyData, 'back off and all', parent='segmentation', visible=False)
return polyData
def fitObjectsOnShelf(polyData, maxHeight = 0.25):
# find the shelf plane:
polyDataWithoutFront, _ = segmentation.removeMajorPlane(polyData, distanceThreshold=0.02)
polyDataPlaneFit, origin, normal = segmentation.applyPlaneFit(polyDataWithoutFront, expectedNormal=np.array([0.0,0.0,1.0]), perpendicularAxis=np.array([0.0,0.0,1.0]), returnOrigin=True)
vis.updatePolyData(polyDataPlaneFit, 'polyDataPlaneFit', parent='segmentation', visible=False)
shelfSurfacePoints = segmentation.thresholdPoints(polyDataPlaneFit, 'dist_to_plane', [-0.01, 0.01])
shelfCenter = segmentation.computeCentroid(shelfSurfacePoints)
shelfFrame = transformUtils.getTransformFromOriginAndNormal(shelfCenter, normal, normalAxis=2)
vis.showFrame(shelfFrame, 'shelfFrame', parent='segmentation', scale=0.15 , visible=False)
# find the points near to the shelf plane and find objects on it:
points = vnp.getNumpyFromVtk(polyData, 'Points')
dist = np.dot(points - origin, normal)
vnp.addNumpyToVtk(polyData, dist, 'dist_to_plane')
shelfPoints = segmentation.thresholdPoints(polyData, 'dist_to_plane', [-0.01, maxHeight])
vis.updatePolyData(shelfPoints, 'shelf', parent='segmentation', visible=False)
data = segmentation.segmentTableScene(shelfPoints, shelfCenter, filterClustering = False )
vis.showClusterObjects(data.clusters + [data.table], parent='segmentation')
# remove the points that we considered from the orginal cloud
dists = vnp.getNumpyFromVtk(polyData, 'dist_to_plane')
diffShelf = ( ((dists > maxHeight) + (dists < -0.01))) + 0.1 -0.1
vnp.addNumpyToVtk(polyData, diffShelf, 'diff_shelf')
polyData = segmentation.thresholdPoints(polyData, 'diff_shelf', [1, 1])
vis.updatePolyData(polyData, 'rest', parent='segmentation', visible=False)
return polyData
def removePlaneAndBeyond(polyData,
expectedNormal=[1, 0, 0],
filterRange=[-np.inf, -0.03],
whichAxis=1,
whichAxisLetter='y',
percentile=95):
yvalues = vnp.getNumpyFromVtk(polyData, 'Points')[:, whichAxis]
backY = np.percentile(yvalues, percentile)
if (percentile > 50):
searchRegion = segmentation.thresholdPoints(polyData, whichAxisLetter,
[backY - 0.1, np.inf])
else:
searchRegion = segmentation.thresholdPoints(polyData, whichAxisLetter,
[-np.inf, backY + 0.1])
vis.updatePolyData(searchRegion,
'search region',
parent="segmentation",
colorByName=whichAxisLetter,
visible=False)
# find the plane of the back wall, remove it and the points behind it:
_, origin, normal = segmentation.applyPlaneFit(
searchRegion,
distanceThreshold=0.02,
expectedNormal=expectedNormal,
perpendicularAxis=expectedNormal,
returnOrigin=True)
points = vnp.getNumpyFromVtk(polyData, 'Points')
dist = np.dot(points - origin, normal)
vnp.addNumpyToVtk(polyData, dist, 'dist_to_plane')
backFrame = transformUtils.getTransformFromOriginAndNormal(origin,
normal,
normalAxis=2)
vis.updateFrame(backFrame,
'back frame',
parent='segmentation',
scale=0.15,
visible=False)
vis.updatePolyData(polyData,
'dist to back',
parent='segmentation',
visible=False)
polyData = segmentation.thresholdPoints(polyData, 'dist_to_plane',
filterRange)
vis.updatePolyData(polyData,
'back off and all',
parent='segmentation',
visible=False)
return polyData
def fitObjectsOnShelf(polyData, maxHeight=0.25):
# find the shelf plane:
polyDataWithoutFront, _ = segmentation.removeMajorPlane(
polyData, distanceThreshold=0.02)
polyDataPlaneFit, origin, normal = segmentation.applyPlaneFit(
polyDataWithoutFront,
expectedNormal=np.array([0.0, 0.0, 1.0]),
perpendicularAxis=np.array([0.0, 0.0, 1.0]),
returnOrigin=True)
vis.updatePolyData(polyDataPlaneFit,
'polyDataPlaneFit',
parent='segmentation',
visible=False)
shelfSurfacePoints = segmentation.thresholdPoints(polyDataPlaneFit,
'dist_to_plane',
[-0.01, 0.01])
shelfCenter = segmentation.computeCentroid(shelfSurfacePoints)
shelfFrame = transformUtils.getTransformFromOriginAndNormal(shelfCenter,
normal,
normalAxis=2)
vis.showFrame(shelfFrame,
'shelfFrame',
parent='segmentation',
scale=0.15,
visible=False)
# find the points near to the shelf plane and find objects on it:
points = vnp.getNumpyFromVtk(polyData, 'Points')
dist = np.dot(points - origin, normal)
vnp.addNumpyToVtk(polyData, dist, 'dist_to_plane')
shelfPoints = segmentation.thresholdPoints(polyData, 'dist_to_plane',
[-0.01, maxHeight])
vis.updatePolyData(shelfPoints,
'shelf',
parent='segmentation',
visible=False)
data = segmentation.segmentTableScene(shelfPoints,
shelfCenter,
filterClustering=False)
vis.showClusterObjects(data.clusters + [data.table], parent='segmentation')
# remove the points that we considered from the orginal cloud
dists = vnp.getNumpyFromVtk(polyData, 'dist_to_plane')
diffShelf = (((dists > maxHeight) + (dists < -0.01))) + 0.1 - 0.1
vnp.addNumpyToVtk(polyData, diffShelf, 'diff_shelf')
polyData = segmentation.thresholdPoints(polyData, 'diff_shelf', [1, 1])
vis.updatePolyData(polyData, 'rest', parent='segmentation', visible=False)
return polyData
def labelNonFinitePoints(polyData, arrayName='Points'):
'''
adds is_nonfinite label to polyData. non finite includes nan and +/- inf.
'''
pts = vnp.getNumpyFromVtk(polyData, arrayName)
labels = np.logical_not(np.isfinite(pts)).any(axis=1)
vnp.addNumpyToVtk(polyData, np.array(labels, dtype=np.int32), 'is_nonfinite')
def getSphereGeometry(self, imageName):
sphereObj = self.sphereObjects.get(imageName)
if sphereObj:
return sphereObj
if not self.imageManager.getImage(imageName).GetDimensions()[0]:
return None
sphereResolution = 50
sphereRadii = {
'CAMERA_LEFT': 20,
'CAMERACHEST_LEFT': 20,
'CAMERACHEST_RIGHT': 20
}
geometry = makeSphere(sphereRadii[imageName], sphereResolution)
self.imageManager.queue.computeTextureCoords(imageName, geometry)
tcoordsArrayName = 'tcoords_%s' % imageName
vtkNumpy.addNumpyToVtk(
geometry,
vtkNumpy.getNumpyFromVtk(geometry, tcoordsArrayName)[:, 0].copy(),
'tcoords_U')
vtkNumpy.addNumpyToVtk(
geometry,
vtkNumpy.getNumpyFromVtk(geometry, tcoordsArrayName)[:, 1].copy(),
'tcoords_V')
geometry = clipRange(geometry, 'tcoords_U', [0.0, 1.0])
geometry = clipRange(geometry, 'tcoords_V', [0.0, 1.0])
geometry.GetPointData().SetTCoords(
geometry.GetPointData().GetArray(tcoordsArrayName))
sphereObj = vis.showPolyData(geometry,
imageName,
view=self.view,
parent='cameras')
sphereObj.actor.SetTexture(self.imageManager.getTexture(imageName))
sphereObj.actor.GetProperty().LightingOff()
self.view.renderer().RemoveActor(sphereObj.actor)
rendererId = 2 - self.sphereImages.index(imageName)
self.renderers[rendererId].AddActor(sphereObj.actor)
self.sphereObjects[imageName] = sphereObj
return sphereObj
def labelNonFinitePoints(polyData, arrayName='Points'):
'''
adds is_nonfinite label to polyData. non finite includes nan and +/- inf.
'''
pts = vnp.getNumpyFromVtk(polyData, arrayName)
labels = np.logical_not(np.isfinite(pts)).any(axis=1)
vnp.addNumpyToVtk(polyData, np.array(labels, dtype=np.int32),
'is_nonfinite')
def onNewWalkingGoal(self, walkingGoal=None):
walkingGoal = walkingGoal or self.newWalkingGoalFrame(self.robotModel)
frameObj = vis.updateFrame(walkingGoal,
'walking goal',
parent='planning',
scale=0.25)
frameObj.setProperty('Edit', True)
rep = frameObj.widget.GetRepresentation()
rep.SetTranslateAxisEnabled(2, False)
rep.SetRotateAxisEnabled(0, False)
rep.SetRotateAxisEnabled(1, False)
frameObj.widget.HandleRotationEnabledOff()
if self.placer:
self.placer.stop()
terrain = om.findObjectByName('HEIGHT_MAP_SCENE')
if terrain:
pos = np.array(frameObj.transform.GetPosition())
polyData = filterUtils.removeNonFinitePoints(terrain.polyData)
if polyData.GetNumberOfPoints():
polyData = segmentation.labelDistanceToLine(
polyData, pos, pos + [0, 0, 1])
polyData = segmentation.thresholdPoints(
polyData, 'distance_to_line', [0.0, 0.1])
if polyData.GetNumberOfPoints():
pos[2] = np.nanmax(
vnp.getNumpyFromVtk(polyData, 'Points')[:, 2])
frameObj.transform.Translate(
pos - np.array(frameObj.transform.GetPosition()))
d = DebugData()
d.addSphere((0, 0, 0), radius=0.03)
handle = vis.showPolyData(d.getPolyData(),
'walking goal terrain handle',
parent=frameObj,
visible=True,
color=[1, 1, 0])
handle.actor.SetUserTransform(frameObj.transform)
self.placer = PlacerWidget(app.getCurrentRenderView(), handle,
terrain)
def onFramePropertyModified(propertySet, propertyName):
if propertyName == 'Edit':
if propertySet.getProperty(propertyName):
self.placer.start()
else:
self.placer.stop()
frameObj.properties.connectPropertyChanged(onFramePropertyModified)
onFramePropertyModified(frameObj, 'Edit')
frameObj.connectFrameModified(self.onWalkingGoalModified)
self.onWalkingGoalModified(frameObj)
def __init__(self, uid, view, seed_pose, irisDriver, existing_region=None):
d = DebugData()
self.uid = uid
vis.PolyDataItem.__init__(self, "IRIS region {:d}".format(uid), d.getPolyData(), view)
self.transform = seed_pose
d.addSphere((0,0,0), radius=0.02)
self.seedObj = vis.showPolyData(d.getPolyData(), 'region seed', parent=om.getOrCreateContainer('IRIS region seeds'))
self.seedObj.actor.SetUserTransform(self.transform)
self.frameObj = vis.showFrame(self.transform, 'region seed frame',
scale=0.2,
visible=False,
parent=self.seedObj)
self.frameObj.setProperty('Edit', True)
self.frameObj.widget.HandleRotationEnabledOff()
terrain = om.findObjectByName('HEIGHT_MAP_SCENE')
if terrain:
rep = self.frameObj.widget.GetRepresentation()
rep.SetTranslateAxisEnabled(2, False)
rep.SetRotateAxisEnabled(0, False)
rep.SetRotateAxisEnabled(1, False)
pos = np.array(self.frameObj.transform.GetPosition())
polyData = filterUtils.removeNonFinitePoints(terrain.polyData)
if polyData.GetNumberOfPoints():
polyData = segmentation.labelDistanceToLine(polyData, pos, pos+[0,0,1])
polyData = segmentation.thresholdPoints(polyData, 'distance_to_line', [0.0, 0.1])
if polyData.GetNumberOfPoints():
pos[2] = np.nanmax(vnp.getNumpyFromVtk(polyData, 'Points')[:,2])
self.frameObj.transform.Translate(pos - np.array(self.frameObj.transform.GetPosition()))
self.placer = PlacerWidget(view, self.seedObj, terrain)
self.placer.start()
else:
self.frameObj.setProperty('Edit', True)
self.frameObj.setProperty('Visible', True)
self.driver = irisDriver
self.safe_region = None
self.addProperty('Visible', True)
self.addProperty('Enabled for Walking', True)
self.addProperty('Alpha', 1.0)
self.addProperty('Color', QtGui.QColor(200,200,20))
self.frameObj.connectFrameModified(self.onFrameModified)
if existing_region is None:
self.onFrameModified(self.frameObj)
else:
self.setRegion(existing_region)
self.setProperty('Alpha', 0.5)
self.setProperty('Color', QtGui.QColor(220,220,220))
def getSphereGeometry(self, imageName):
sphereObj = self.sphereObjects.get(imageName)
if sphereObj:
return sphereObj
if not self.imageManager.getImage(imageName).GetDimensions()[0]:
return None
sphereResolution = 50
sphereRadii = {
'CAMERA_LEFT' : 20,
'CAMERACHEST_LEFT' : 20,
'CAMERACHEST_RIGHT' : 20
}
geometry = makeSphere(sphereRadii[imageName], sphereResolution)
self.imageManager.queue.computeTextureCoords(imageName, geometry)
tcoordsArrayName = 'tcoords_%s' % imageName
vtkNumpy.addNumpyToVtk(geometry, vtkNumpy.getNumpyFromVtk(geometry, tcoordsArrayName)[:,0].copy(), 'tcoords_U')
vtkNumpy.addNumpyToVtk(geometry, vtkNumpy.getNumpyFromVtk(geometry, tcoordsArrayName)[:,1].copy(), 'tcoords_V')
geometry = clipRange(geometry, 'tcoords_U', [0.0, 1.0])
geometry = clipRange(geometry, 'tcoords_V', [0.0, 1.0])
geometry.GetPointData().SetTCoords(geometry.GetPointData().GetArray(tcoordsArrayName))
sphereObj = vis.showPolyData(geometry, imageName, view=self.view, parent='cameras')
sphereObj.actor.SetTexture(self.imageManager.getTexture(imageName))
sphereObj.actor.GetProperty().LightingOff()
self.view.renderer().RemoveActor(sphereObj.actor)
rendererId = 2 - self.sphereImages.index(imageName)
self.renderers[rendererId].AddActor(sphereObj.actor)
self.sphereObjects[imageName] = sphereObj
return sphereObj
def getDepthMapData(self, viewId):
mapId = self.reader.GetCurrentMapId(viewId)
if mapId < 0:
return None, None
depthImage = vtk.vtkImageData()
transform = vtk.vtkTransform()
self.reader.GetDataForMapId(viewId, mapId, depthImage, transform)
dims = depthImage.GetDimensions()
d = vnp.getNumpyFromVtk(depthImage, 'ImageScalars')
d = d.reshape(dims[1], dims[0])
t = np.array([[transform.GetMatrix().GetElement(r, c) for c in xrange(4)] for r in xrange(4)])
return d, t
def onNewWalkingGoal(self, walkingGoal=None):
walkingGoal = walkingGoal or self.newWalkingGoalFrame(self.robotModel)
frameObj = vis.updateFrame(walkingGoal, 'walking goal', parent='planning', scale=0.25)
frameObj.setProperty('Edit', True)
rep = frameObj.widget.GetRepresentation()
rep.SetTranslateAxisEnabled(2, False)
rep.SetRotateAxisEnabled(0, False)
rep.SetRotateAxisEnabled(1, False)
frameObj.widget.HandleRotationEnabledOff()
if self.placer:
self.placer.stop()
terrain = om.findObjectByName('HEIGHT_MAP_SCENE')
if terrain:
pos = np.array(frameObj.transform.GetPosition())
polyData = filterUtils.removeNonFinitePoints(terrain.polyData)
if polyData.GetNumberOfPoints():
polyData = segmentation.labelDistanceToLine(polyData, pos, pos+[0,0,1])
polyData = segmentation.thresholdPoints(polyData, 'distance_to_line', [0.0, 0.1])
if polyData.GetNumberOfPoints():
pos[2] = np.nanmax(vnp.getNumpyFromVtk(polyData, 'Points')[:,2])
frameObj.transform.Translate(pos - np.array(frameObj.transform.GetPosition()))
d = DebugData()
d.addSphere((0,0,0), radius=0.03)
handle = vis.showPolyData(d.getPolyData(), 'walking goal terrain handle', parent=frameObj, visible=True, color=[1,1,0])
handle.actor.SetUserTransform(frameObj.transform)
self.placer = PlacerWidget(app.getCurrentRenderView(), handle, terrain)
def onFramePropertyModified(propertySet, propertyName):
if propertyName == 'Edit':
if propertySet.getProperty(propertyName):
self.placer.start()
else:
self.placer.stop()
frameObj.properties.connectPropertyChanged(onFramePropertyModified)
onFramePropertyModified(frameObj, 'Edit')
frameObj.connectFrameModified(self.onWalkingGoalModified)
self.onWalkingGoalModified(frameObj)
def createTextureGround(imageFilename, view):
pd = createTexturedPlane()
texture = createTexture(imageFilename)
texture.RepeatOn()
tcoords = vnp.getNumpyFromVtk(pd, 'Texture Coordinates')
tcoords *= 60
t = vtk.vtkTransform()
t.PostMultiply()
t.Scale(200, 200, 200)
t.Translate(0, 0, -0.005)
pd = filterUtils.transformPolyData(pd, t)
obj = vis.showPolyData(pd, 'ground', view=view, alpha=1.0, parent='skybox')
obj.actor.SetTexture(texture)
obj.actor.GetProperty().LightingOff()
def createTextureGround(imageFilename, view):
pd = createTexturedPlane()
texture = createTexture(imageFilename)
texture.RepeatOn()
tcoords = vnp.getNumpyFromVtk(pd, 'Texture Coordinates')
tcoords *= 60
t = vtk.vtkTransform()
t.PostMultiply()
t.Scale(200,200,200)
t.Translate(0,0,-0.005)
pd = filterUtils.transformPolyData(pd, t)
obj = vis.showPolyData(pd, 'ground', view=view, alpha=1.0, parent='skybox')
obj.actor.SetTexture(texture)
obj.actor.GetProperty().LightingOff()
def addCollisionObject(self, obj):
if om.getOrCreateContainer('affordances').findChild(obj.getProperty('Name') + ' affordance'):
return # Affordance has been created previously
frame = obj.findChild(obj.getProperty('Name') + ' frame')
(origin, quat) = transformUtils.poseFromTransform(frame.transform)
(xaxis, yaxis, zaxis) = transformUtils.getAxesFromTransform(frame.transform)
# TODO: move this into transformUtils as getAxisDimensions or so
box = obj.findChild(obj.getProperty('Name') + ' box')
box_np = vtkNumpy.getNumpyFromVtk(box.polyData, 'Points')
box_min = np.amin(box_np, 0)
box_max = np.amax(box_np, 0)
xwidth = np.linalg.norm(box_max[0]-box_min[0])
ywidth = np.linalg.norm(box_max[1]-box_min[1])
zwidth = np.linalg.norm(box_max[2]-box_min[2])
name = obj.getProperty('Name') + ' affordance'
boxAffordance = segmentation.createBlockAffordance(origin, xaxis, yaxis, zaxis, xwidth, ywidth, zwidth, name, parent='affordances')
boxAffordance.setSolidColor(obj.getProperty('Color'))
boxAffordance.setProperty('Alpha', 0.3)
def fitRunningBoardAtFeet(self):
# get stance frame
startPose = self.getPlanningStartPose()
stanceFrame = self.robotSystem.footstepsDriver.getFeetMidPoint(
self.robotSystem.robotStateModel, useWorldZ=False)
stanceFrameAxes = transformUtils.getAxesFromTransform(stanceFrame)
# get pointcloud and extract search region covering the running board
polyData = segmentation.getCurrentRevolutionData()
polyData = segmentation.applyVoxelGrid(polyData, leafSize=0.01)
_, polyData = segmentation.removeGround(polyData)
polyData = segmentation.cropToBox(polyData, stanceFrame,
[1.0, 1.0, 0.1])
if not polyData.GetNumberOfPoints():
print 'empty search region point cloud'
return
vis.updatePolyData(polyData,
'running board search points',
parent=segmentation.getDebugFolder(),
color=[0, 1, 0],
visible=False)
# extract maximal points along the stance x axis
perpAxis = stanceFrameAxes[0]
edgeAxis = stanceFrameAxes[1]
edgePoints = segmentation.computeEdge(polyData, edgeAxis, perpAxis)
edgePoints = vnp.getVtkPolyDataFromNumpyPoints(edgePoints)
vis.updatePolyData(edgePoints,
'edge points',
parent=segmentation.getDebugFolder(),
visible=True)
# ransac fit a line to the edge points
linePoint, lineDirection, fitPoints = segmentation.applyLineFit(
edgePoints)
if np.dot(lineDirection, stanceFrameAxes[1]) < 0:
lineDirection = -lineDirection
linePoints = segmentation.thresholdPoints(fitPoints, 'ransac_labels',
[1.0, 1.0])
dists = np.dot(
vnp.getNumpyFromVtk(linePoints, 'Points') - linePoint,
lineDirection)
p1 = linePoint + lineDirection * np.min(dists)
p2 = linePoint + lineDirection * np.max(dists)
vis.updatePolyData(fitPoints,
'line fit points',
parent=segmentation.getDebugFolder(),
colorByName='ransac_labels',
visible=False)
# compute a new frame that is in plane with the stance frame
# and matches the orientation and position of the detected edge
origin = np.array(stanceFrame.GetPosition())
normal = np.array(stanceFrameAxes[2])
# project stance origin to edge, then back to foot frame
originProjectedToEdge = linePoint + lineDirection * np.dot(
origin - linePoint, lineDirection)
originProjectedToPlane = segmentation.projectPointToPlane(
originProjectedToEdge, origin, normal)
zaxis = np.array(stanceFrameAxes[2])
yaxis = np.array(lineDirection)
xaxis = np.cross(yaxis, zaxis)
xaxis /= np.linalg.norm(xaxis)
yaxis = np.cross(zaxis, xaxis)
yaxis /= np.linalg.norm(yaxis)
d = DebugData()
d.addSphere(p1, radius=0.005)
d.addSphere(p2, radius=0.005)
d.addLine(p1, p2)
d.addSphere(originProjectedToEdge, radius=0.001, color=[1, 0, 0])
d.addSphere(originProjectedToPlane, radius=0.001, color=[0, 1, 0])
d.addLine(originProjectedToPlane, origin, color=[0, 1, 0])
d.addLine(originProjectedToEdge, origin, color=[1, 0, 0])
vis.updatePolyData(d.getPolyData(),
'running board edge',
parent=segmentation.getDebugFolder(),
colorByName='RGB255',
visible=False)
# update the running board box affordance position and orientation to
# fit the detected edge
box = self.spawnRunningBoardAffordance()
boxDimensions = box.getProperty('Dimensions')
t = transformUtils.getTransformFromAxesAndOrigin(
xaxis, yaxis, zaxis, originProjectedToPlane)
t.PreMultiply()
t.Translate(-boxDimensions[0] / 2.0, 0.0, -boxDimensions[2] / 2.0)
box.getChildFrame().copyFrame(t)
self.initialize()
def computeCentroid(polyData):
return np.average(vnp.getNumpyFromVtk(polyData, 'Points'), axis=0)
def hasNonFinitePoints(polyData, arrayName='Points'):
pts = vnp.getNumpyFromVtk(polyData, arrayName)
return np.isfinite(pts).any()
def hasNonFinitePoints(polyData, arrayName='Points'):
pts = vnp.getNumpyFromVtk(polyData, arrayName)
return np.isfinite(pts).any()
def computeCentroid(polyData):
return np.average(vnp.getNumpyFromVtk(polyData, 'Points'), axis=0)
def __init__(self, uid, view, seed_pose, irisDriver, existing_region=None):
d = DebugData()
self.uid = uid
vis.PolyDataItem.__init__(self, "IRIS region {:d}".format(uid),
d.getPolyData(), view)
self.transform = seed_pose
d.addSphere((0, 0, 0), radius=0.02)
self.seedObj = vis.showPolyData(
d.getPolyData(),
'region seed',
parent=om.getOrCreateContainer('IRIS region seeds'))
self.seedObj.actor.SetUserTransform(self.transform)
self.frameObj = vis.showFrame(self.transform,
'region seed frame',
scale=0.2,
visible=False,
parent=self.seedObj)
self.frameObj.setProperty('Edit', True)
self.frameObj.widget.HandleRotationEnabledOff()
terrain = om.findObjectByName('HEIGHT_MAP_SCENE')
if terrain:
rep = self.frameObj.widget.GetRepresentation()
rep.SetTranslateAxisEnabled(2, False)
rep.SetRotateAxisEnabled(0, False)
rep.SetRotateAxisEnabled(1, False)
pos = np.array(self.frameObj.transform.GetPosition())
polyData = filterUtils.removeNonFinitePoints(terrain.polyData)
if polyData.GetNumberOfPoints():
polyData = segmentation.labelDistanceToLine(
polyData, pos, pos + [0, 0, 1])
polyData = segmentation.thresholdPoints(
polyData, 'distance_to_line', [0.0, 0.1])
if polyData.GetNumberOfPoints():
pos[2] = np.nanmax(
vnp.getNumpyFromVtk(polyData, 'Points')[:, 2])
self.frameObj.transform.Translate(
pos - np.array(self.frameObj.transform.GetPosition()))
self.placer = PlacerWidget(view, self.seedObj, terrain)
self.placer.start()
else:
self.frameObj.setProperty('Edit', True)
self.frameObj.setProperty('Visible', True)
self.driver = irisDriver
self.safe_region = None
self.addProperty('Visible', True)
self.addProperty('Enabled for Walking', True)
self.addProperty('Alpha', 1.0)
self.addProperty('Color', QtGui.QColor(200, 200, 20))
self.frameObj.connectFrameModified(self.onFrameModified)
if existing_region is None:
self.onFrameModified(self.frameObj)
else:
self.setRegion(existing_region)
self.setProperty('Alpha', 0.5)
self.setProperty('Color', QtGui.QColor(220, 220, 220))
def fitRunningBoardAtFeet(self):
# get stance frame
startPose = self.getPlanningStartPose()
stanceFrame = self.robotSystem.footstepsDriver.getFeetMidPoint(self.robotSystem.robotStateModel, useWorldZ=False)
stanceFrameAxes = transformUtils.getAxesFromTransform(stanceFrame)
# get pointcloud and extract search region covering the running board
polyData = segmentation.getCurrentRevolutionData()
polyData = segmentation.applyVoxelGrid(polyData, leafSize=0.01)
_, polyData = segmentation.removeGround(polyData)
polyData = segmentation.cropToBox(polyData, stanceFrame, [1.0, 1.0, 0.1])
if not polyData.GetNumberOfPoints():
print 'empty search region point cloud'
return
vis.updatePolyData(polyData, 'running board search points', parent=segmentation.getDebugFolder(), color=[0,1,0], visible=False)
# extract maximal points along the stance x axis
perpAxis = stanceFrameAxes[0]
edgeAxis = stanceFrameAxes[1]
edgePoints = segmentation.computeEdge(polyData, edgeAxis, perpAxis)
edgePoints = vnp.getVtkPolyDataFromNumpyPoints(edgePoints)
vis.updatePolyData(edgePoints, 'edge points', parent=segmentation.getDebugFolder(), visible=True)
# ransac fit a line to the edge points
linePoint, lineDirection, fitPoints = segmentation.applyLineFit(edgePoints)
if np.dot(lineDirection, stanceFrameAxes[1]) < 0:
lineDirection = -lineDirection
linePoints = segmentation.thresholdPoints(fitPoints, 'ransac_labels', [1.0, 1.0])
dists = np.dot(vnp.getNumpyFromVtk(linePoints, 'Points')-linePoint, lineDirection)
p1 = linePoint + lineDirection*np.min(dists)
p2 = linePoint + lineDirection*np.max(dists)
vis.updatePolyData(fitPoints, 'line fit points', parent=segmentation.getDebugFolder(), colorByName='ransac_labels', visible=False)
# compute a new frame that is in plane with the stance frame
# and matches the orientation and position of the detected edge
origin = np.array(stanceFrame.GetPosition())
normal = np.array(stanceFrameAxes[2])
# project stance origin to edge, then back to foot frame
originProjectedToEdge = linePoint + lineDirection*np.dot(origin - linePoint, lineDirection)
originProjectedToPlane = segmentation.projectPointToPlane(originProjectedToEdge, origin, normal)
zaxis = np.array(stanceFrameAxes[2])
yaxis = np.array(lineDirection)
xaxis = np.cross(yaxis, zaxis)
xaxis /= np.linalg.norm(xaxis)
yaxis = np.cross(zaxis, xaxis)
yaxis /= np.linalg.norm(yaxis)
d = DebugData()
d.addSphere(p1, radius=0.005)
d.addSphere(p2, radius=0.005)
d.addLine(p1, p2)
d.addSphere(originProjectedToEdge, radius=0.001, color=[1,0,0])
d.addSphere(originProjectedToPlane, radius=0.001, color=[0,1,0])
d.addLine(originProjectedToPlane, origin, color=[0,1,0])
d.addLine(originProjectedToEdge, origin, color=[1,0,0])
vis.updatePolyData(d.getPolyData(), 'running board edge', parent=segmentation.getDebugFolder(), colorByName='RGB255', visible=False)
# update the running board box affordance position and orientation to
# fit the detected edge
box = self.spawnRunningBoardAffordance()
boxDimensions = box.getProperty('Dimensions')
t = transformUtils.getTransformFromAxesAndOrigin(xaxis, yaxis, zaxis, originProjectedToPlane)
t.PreMultiply()
t.Translate(-boxDimensions[0]/2.0, 0.0, -boxDimensions[2]/2.0)
box.getChildFrame().copyFrame(t)
self.initialize()
