def Activated(self): from femtools import femutils overalboundbox = femutils.getBoundBoxOfAllDocumentShapes( FreeCAD.ActiveDocument) # print(overalboundbox) min_bb_length = (min( set([ overalboundbox.XLength, overalboundbox.YLength, overalboundbox.ZLength ]))) dbox = min_bb_length * 0.2 aFace = femutils.getSelectedFace(FreeCADGui.Selection.getSelectionEx()) if aFace: f_CoM = aFace.CenterOfMass f_uvCoM = aFace.Surface.parameter( f_CoM) # u,v at CoM for normalAt calculation f_normal = aFace.normalAt(f_uvCoM[0], f_uvCoM[1]) else: f_CoM = FreeCAD.Vector(0, 0, 0) f_normal = FreeCAD.Vector(0, 0, 1) from pivy import coin coin_normal_vector = coin.SbVec3f(-f_normal.x, -f_normal.y, -f_normal.z) coin_bound_box = coin.SbBox3f(f_CoM.x - dbox, f_CoM.y - dbox, f_CoM.z - dbox * 0.15, f_CoM.x + dbox, f_CoM.y + dbox, f_CoM.z + dbox * 0.15) clip_plane = coin.SoClipPlaneManip() clip_plane.setValue(coin_bound_box, coin_normal_vector, 1) FreeCADGui.ActiveDocument.ActiveView.getSceneGraph().insertChild( clip_plane, 1)
def Activated(self): from femtools import femutils overalboundbox = femutils.getBoundBoxOfAllDocumentShapes(FreeCAD.ActiveDocument) # print(overalboundbox) min_bb_length = (min(set([overalboundbox.XLength, overalboundbox.YLength, overalboundbox.ZLength]))) dbox = min_bb_length * 0.2 aFace = femutils.getSelectedFace(FreeCADGui.Selection.getSelectionEx()) if aFace: f_CoM = aFace.CenterOfMass f_uvCoM = aFace.Surface.parameter(f_CoM) # u,v at CoM for normalAt calculation f_normal = aFace.normalAt(f_uvCoM[0], f_uvCoM[1]) else: f_CoM = FreeCAD.Vector(0, 0, 0) f_normal = FreeCAD.Vector(0, 0, 1) from pivy import coin coin_normal_vector = coin.SbVec3f(-f_normal.x, -f_normal.y, -f_normal.z) coin_bound_box = coin.SbBox3f(f_CoM.x - dbox, f_CoM.y - dbox, f_CoM.z - dbox * 0.15, f_CoM.x + dbox, f_CoM.y + dbox, f_CoM.z + dbox * 0.15) clip_plane = coin.SoClipPlaneManip() clip_plane.setValue(coin_bound_box, coin_normal_vector, 1) FreeCADGui.ActiveDocument.ActiveView.getSceneGraph().insertChild(clip_plane, 1)