def getPlacement(entity):
"returns a placement from the given entity"
if DEBUG: print "getting placement ", entity
if not entity: return None
pl = None
if entity.type == "IFCAXIS2PLACEMENT3D":
x = getVector(entity.RefDirection)
z = getVector(entity.Axis)
y = z.cross(x)
loc = getVector(entity.Location)
m = fcvec.getPlaneRotation(x, y, z)
pl = FreeCAD.Placement(m)
pl.move(loc)
elif entity.type == "IFCLOCALPLACEMENT":
pl = getPlacement(entity.PlacementRelTo)
relpl = getPlacement(entity.RelativePlacement)
if pl and relpl:
pl = relpl.multiply(pl)
elif relpl:
pl = relpl
elif entity.type == "IFCCARTESIANPOINT":
loc = getVector(entity)
pl = FreeCAD.Placement()
pl.move(loc)
if DEBUG: print "made placement for", entity.id, ":", pl
return pl
def getPlacement(entity):
"returns a placement from the given entity"
if DEBUG:
print "getting placement ", entity
if not entity:
return None
pl = None
if entity.type == "IFCAXIS2PLACEMENT3D":
x = getVector(entity.RefDirection)
z = getVector(entity.Axis)
y = z.cross(x)
loc = getVector(entity.Location)
m = fcvec.getPlaneRotation(x, y, z)
pl = FreeCAD.Placement(m)
pl.move(loc)
elif entity.type == "IFCLOCALPLACEMENT":
pl = getPlacement(entity.PlacementRelTo)
relpl = getPlacement(entity.RelativePlacement)
if pl and relpl:
pl = relpl.multiply(pl)
elif relpl:
pl = relpl
elif entity.type == "IFCCARTESIANPOINT":
loc = getVector(entity)
pl = FreeCAD.Placement()
pl.move(loc)
if DEBUG:
print "made placement for", entity.id, ":", pl
return pl
def getRotation(self):
"returns a placement describing the working plane orientation ONLY"
m = fcvec.getPlaneRotation(self.u, self.v, self.axis)
return FreeCAD.Placement(m)
def getRotation(self):
"returns a placement describing the working plane orientation ONLY"
m = fcvec.getPlaneRotation(self.u,self.v,self.axis)
return FreeCAD.Placement(m)
