Read a tensor, i.e. numpy array, from HDF5. :param file: path to file to read :type file: str :param key: key to read :type key:

Rotate the mesh. :param rotation: rotation in (angle_x, angle_y, angle_z); angles in radians :type rotation: (float, float,

Switch the two axes, this is usually useful for switching y and z axes. :param axis_1: index of first axis :type axis_1: int

Write mesh to OBJ file. :param filepath: path to OBJ file :type filepath: str

Write a simple tensor, i.e. numpy array ,to HDF5. :param file: path to file to write :type file: str :param tensor: tensor to write