def __init__(self, p0, p1, id = None, pocketClass=Pocket): """Initialize a Joint object""" self.posts = [p0, p1] self.id = id self.intersection = common.findClosestPoints(p0.axis, p1.axis) if rs.Distance(*self.intersection) <= sc.doc.PageAbsoluteTolerance: #lines actually intersect. axis is normal to both input lines self.intersecting = True self.axis = rs.VectorCrossProduct(p0.axis.UnitTangent, p1.axis.UnitTangent) else: self.intersecting = False self.axis = rs.VectorUnitize(Rhino.Geometry.Vector3d(self.intersection[1] - self.intersection[0])) #store distance between post axes self.separation = rs.Distance(*self.intersection) #orientation is plane at origin, normal along self.axis, x axis along p0 #start (arbitrarily) at p0's closest point self.orientation = rs.PlaneFromNormal(self.intersection[0], self.axis, self.posts[0].axis.UnitTangent) #origin is midpoint between furthest protrusions of posts, along joint axis self.origin = self.getOrigin() #move orientation to midpoint of post profiles' bounding box self.orientation.Origin = self.origin #know how to get back home self.selfToGlobal = Rhino.Geometry.Transform.ChangeBasis(self.orientation, Rhino.Geometry.Plane.WorldXY) #initialize pockets self.pockets = [pocketClass(p0, 0, self), pocketClass(p1, 1, self)] #create sheared surface - starting point for creating pocket toolpaths self.face = self.commonFace() #create pockets for p in self.pockets: p.create()
def findPairs(self): """Find all pairs of Posts in Structure which might intersect Returns: list of lists, each with two posts """ pairs = [] keys = self.axes.keys() #loop through indeces of each Post for a in range(0, self.dim): #loop through all remaining Posts (higher indices) for b in range(a+1, self.dim): #only accept pairs within specified distance if rs.Distance(*common.findClosestPoints(self.posts[keys[a]].axis, self.posts[keys[b]].axis)) < 2: pairs.append((keys[a], keys[b])) self.connections[keys[a]][keys[b]] = [[keys[b]]] self.connections[keys[b]][keys[a]] = [[keys[a]]] return pairs
