Display.py 文件源码

def transform(self, ppos, pdir, point):
        xr = point[0]-ppos[0]
        yr = point[1]-ppos[1]
        ang = angle_between360(pdir,northvector)
        #print np.rad2deg(ang)
        w = rotate([xr,yr],ang)
        return w+self.midpoint