ted-editor.py 文件源码

def addHandles(self):
        self.removeHandles()
        self.cp_cidmap = {}
        print(len(self.cc.road))
        for r in self.cc.road:
            print(len(r))
            cids = self.addMoveHandle(r)
            for cid in cids:
                self.r_cidmap[cid] = r
            self.imap[r] = cids
        self.canvas.tag_lower("rail","segment")
        sys.stdout.flush()

        minslotlen = 50
        #tex = m.fmod(self.cc.length(),minslotlen)
        #numslots = int((self.cc.length() - tex)/minslotlen + 2)
        numslots = int(self.cc.length()/minslotlen + 2)
        ex = (self.cc.length() - numslots*minslotlen)/numslots
        slotlen = minslotlen + ex


        try:
            self.canvas.delete("slots")
        except tk.TclError:
            pass

        for i in range(numslots):
            s = i*slotlen
            op, ot = self.cc.pointAndTangentAt(s)
            on = la.perp2ccw(ot)
            p1 = op + 30*la.unit(on)
            p2 = op - 30*la.unit(on)
            self.canvas.create_polygon([(p1[0],p1[1]),(p2[0],p2[1])],outline="black",tags="slots")