def get_frame_oriented_with_face_normal(self,edge,face):
'''
an edge and a face (meshLoc) imply a unique frame,
since the edge can be oriented according the the face's normal (right hand rule)
'''
face_edges = self.getFaceEdges(face)
assert (edge in face_edges), "edge {} not in face {}".format(edge,face)
basePoint,endPoint = self.get_oriented_points_for_edge(edge,face)
normal = self.get_face_normal(face)
xVec = helpers.getVectorForPoints(basePoint,endPoint)
return trans.Frame.create_frame_from_normal_and_x(basePoint,normal,xVec)
def get_edge_vec_oriented(self,edgeIdx,faceIdx):
tVerts = self.get_oriented_TVerts_for_edge(edgeIdx,faceIdx)
pntA,pntB = self._get_points_for_tVerts(tVerts)
return helpers.getVectorForPoints(pntA,pntB)