def __call__()

in dataset/transform.py [0:0]


    def __call__(self, data):
        """Perform transformation

        Arguments:
            data {dict} -- frame data
        """

        if 'joints3D' not in list(data.keys()):
            return data

        p3d = data['joints3D']
        joint_zeroed = p3d[self.jid_zeroed][np.newaxis]

        # update p3d
        p3d -= joint_zeroed
        data.update({'joints3D': p3d})

        return data