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Python Quaternion.to_roll_pitch_yaw方法代码示例

本文整理汇总了Python中quaternion.Quaternion.to_roll_pitch_yaw方法的典型用法代码示例。如果您正苦于以下问题:Python Quaternion.to_roll_pitch_yaw方法的具体用法?Python Quaternion.to_roll_pitch_yaw怎么用?Python Quaternion.to_roll_pitch_yaw使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在quaternion.Quaternion的用法示例。


在下文中一共展示了Quaternion.to_roll_pitch_yaw方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: RigidTransform

# 需要导入模块: from quaternion import Quaternion [as 别名]
# 或者: from quaternion.Quaternion import to_roll_pitch_yaw [as 别名]
class RigidTransform(object):
    def __init__(self, rotation_quat, translation_vec):
        self.quat = Quaternion(rotation_quat)
        self.tvec = numpy.array(translation_vec)

    def inverse(self):
        """ returns a new RigidTransform that corresponds to the inverse of this one """
        qinv = self.quat.inverse()
        return RigidTransform(qinv, qinv.rotate(- self.tvec))

    def interpolate(self, other_transform, this_weight):
        assert this_weight >= 0 and this_weight <= 1
        t = self.tvec * this_weight + other_transform.tvec * (1 - this_weight)
        r = self.quat.interpolate(other_transform.quat, this_weight)
        return RigidTransform(r, t)

    def __mul__(self, other):
        if isinstance(other, RigidTransform):
            t = self.quat.rotate(other.tvec) + self.tvec
            r = self.quat * other.quat
            return RigidTransform(r, t)
        else:
            olen = len(other)
            if olen == 3:
                r = numpy.array(self.quat.rotate(other))
                return r + self.tvec
            elif olen == 4:
                return np.dot(self.to_homogeneous_matrix(), other)
            else:
                raise ValueError()

    def to_homogeneous_matrix(self):
        result = self.quat.to_matrix_homogeneous()
	result.A[:3, 3] = self.tvec
        return result

    def to_roll_pitch_yaw_x_y_z(self):
        r, p, y = self.quat.to_roll_pitch_yaw()
        return numpy.array((r, p, y, self.tvec[0], self.tvec[1], self.tvec[2]))

    @staticmethod
    def from_roll_pitch_yaw_x_y_z(r, p, yaw, x, y, z):
        q = Quaternion.from_roll_pitch_yaw(r, p, yaw)
        return RigidTransform(q, (x, y, z))

    def quaternion(self):
        return self.quat

    def translation(self):
        return self.tvec

    @staticmethod
    def identity():
        return RigidTransform((1, 0, 0, 0), (0, 0, 0))
开发者ID:bittnt,项目名称:fovis,代码行数:56,代码来源:rigid_transform.py


注:本文中的quaternion.Quaternion.to_roll_pitch_yaw方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。