def testRayPick(self):
if not FreeCAD.GuiUp:
return
self.planarMesh.append([-16.097176, -29.891157, 15.987688])
self.planarMesh.append([-16.176304, -29.859991, 15.947966])
self.planarMesh.append([-16.071451, -29.900553, 15.912505])
self.planarMesh.append([-16.092241, -29.893408, 16.020439])
self.planarMesh.append([-16.007210, -29.926180, 15.967641])
self.planarMesh.append([-16.064457, -29.904951, 16.090832])
planarMeshObject = Mesh.Mesh(self.planarMesh)
from pivy import coin
import FreeCADGui
Mesh.show(planarMeshObject)
view = FreeCADGui.ActiveDocument.ActiveView.getViewer()
rp = coin.SoRayPickAction(
view.getSoRenderManager().getViewportRegion())
rp.setRay(coin.SbVec3f(-16.05, 16.0, 16.0), coin.SbVec3f(0, -1, 0))
rp.apply(view.getSoRenderManager().getSceneGraph())
pp = rp.getPickedPoint()
self.failUnless(pp != None)
det = pp.getDetail()
self.failUnless(det.getTypeId() == coin.SoFaceDetail.getClassTypeId())
det = coin.cast(det, str(det.getTypeId().getName()))
self.failUnless(det.getFaceIndex() == 1)
def sendRay(self, mouse_pos):
"""sends a ray trough the scene and return the nearest entity"""
ray_pick = coin.SoRayPickAction(self.render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(10)
ray_pick.setPickAll(True)
ray_pick.apply(self.render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPointList()
return self.objByID(picked_point)
def sendRay(self, mouse_pos):
"""Send a ray through the scene and return the nearest entity."""
ray_pick = coin.SoRayPickAction(self.render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(self.pick_radius)
ray_pick.setPickAll(True)
ray_pick.apply(self.render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPointList()
return self.searchEditNode(picked_point)
def SendRay(self, mouse_pos):
"""sends a ray through the scene and return the nearest entity"""
render_manager = self.view.getViewer().getSoRenderManager()
ray_pick = coin.SoRayPickAction(render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(20)
ray_pick.setPickAll(True)
ray_pick.apply(render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPointList()
return self.ObjById(picked_point)
def pickCB(self, ecb):
event=ecb.getEvent()
arg=None
if event.getState()==coin.SoMouseButtonEvent.DOWN:
render_manager=self.view.getViewer().getSoRenderManager()
doPick=coin.SoRayPickAction(render_manager.getViewportRegion())
doPick.setPoint(coin.SbVec2s(*ecb.getEvent().getPosition()))
doPick.apply(render_manager.getSceneGraph())
points=doPick.getPickedPointList()
if points.getLength():
path=points[0].getPath()
if str(tuple(path)[-2].getName())==self.name: self.pickAction(path,event,arg)
def objectMouseClick_Coin3d(mouse_pos, pick_radius,TargetNode):
# This section is from DRAFT
# It must help in finding the correct node
# which represent the widget.
"""Get edit node from given screen position."""
viewer = Gui.ActiveDocument.ActiveView.getViewer()
render_manager = viewer.getSoRenderManager()
ray_pick = coin.SoRayPickAction(render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(pick_radius)
ray_pick.setPickAll(True)
ray_pick.apply(render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPoint()
if picked_point != None and picked_point != 0:
path = picked_point.getPath()
if path.containsNode(TargetNode):
return (path.getNode(path.findNode(TargetNode))) #Not sure if we need it #TODO should we return only true?
else:
return None
def pick(self, cursorPos, obj):
self.vp = obj.ViewObject
pickAction = coin.SoRayPickAction(self._getViewport())
pickAction.setPickAll(True)
pickAction.setRadius(Gui.activeView().getViewer().getPickRadius())
pickAction.setPoint(coin.SbVec2s(cursorPos))
path = self._getPathForVP(self.vp)
sa = coin.SoSearchAction()
sa.setNode(self.vp.RootNode)
sa.apply(self._getSceneGraph())
pickAction.apply(sa.getPath())
for pp in pickAction.getPickedPointList():
node = pp.getPath().getTail()
detail = self._castDetail(pp.getDetail())
self._updatePicked(node, detail)
self._clearPreselect()
def objectMouseClick_Coin3d(self, mouse_pos, pick_radius, TargetNode):
# This section is from DRAFT
# It must help in finding the correct node
# which represent the widget.
"""[Get the node from given mouse / screen position.]
Args:
mouse_pos ([type]): [mouse position clicked or mouse is over the position]
pick_radius ([tuple]): [ Radius of the circle where the mouse position is surrounded by]
TargetNode ([SoSeparator]): [coin SoSeparator]
Returns:
[SoSeparator]: [Return the coin object if it is found. None if not found]
"""
viewer = Gui.ActiveDocument.ActiveView.getViewer()
render_manager = viewer.getSoRenderManager()
ray_pick = coin.SoRayPickAction(render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*mouse_pos))
ray_pick.setRadius(pick_radius)
ray_pick.setPickAll(True)
ray_pick.apply(render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPoint()
if picked_point is not None and picked_point != 0:
path = picked_point.getPath()
if type(TargetNode) == list:
for nodeInList in TargetNode:
if path.containsNode(nodeInList):
# print("found",nodeInList)
# Not sure if we need it #TODO should we return only true?
return (path.getNode(path.findNode(nodeInList)))
return None # Not found
else:
if path.containsNode(TargetNode):
# Not sure if we need it #TODO should we return only true?
return (path.getNode(path.findNode(TargetNode)))
else:
return None
def highlight_cb(self, event_callback):
if not ControlPoint.lock or self.current_point is not None:
event = event_callback.getEvent()
pos = event.getPosition()
render_manager = self.view.getViewer().getSoRenderManager()
ray_pick = coin.SoRayPickAction(render_manager.getViewportRegion())
ray_pick.setPoint(coin.SbVec2s(*pos))
ray_pick.setRadius(10)
ray_pick.setPickAll(True)
ray_pick.apply(render_manager.getSceneGraph())
picked_point = ray_pick.getPickedPointList()
for point in picked_point:
path = point.getPath()
length = path.getLength()
point = path.getNode(length - 2)
point = list(
filter(lambda ctrl: ctrl.getNodeId() == point.getNodeId(),
self.control_points))
if point != []:
if (not hasattr(point[0], 'fix') or not point[0].fix):
self.current_point = point[0]
break
else:
self.current_point = None
