def getSE3(self):
     SE3_1 = mmMath.getSE3ByTransV(self.center)
     SE3_2 = mmMath.getSE3ByRotY(self.rotateY)
     SE3_3 = mmMath.getSE3ByRotX(self.rotateX)
     SE3_4 = mmMath.getSE3ByTransV([0, 0, self.distance])
     SE3 = numpy.dot(numpy.dot(numpy.dot(SE3_1, SE3_2), SE3_3), SE3_4)
     return SE3
 def getSE3(self):
     SE3_1 = mmMath.getSE3ByTransV(self.center)
     SE3_2 = mmMath.getSE3ByRotY(self.rotateY)
     SE3_3 = mmMath.getSE3ByRotX(self.rotateX)
     SE3_4 = mmMath.getSE3ByTransV([0, 0, self.distance])
     SE3 = numpy.dot(numpy.dot(numpy.dot(SE3_1, SE3_2), SE3_3), SE3_4)
     return SE3