globalmapper.LidarClassFilter_EnableGroups
===========================================

.. currentmodule:: globalmapper
.. py:function:: LidarClassFilter_EnableGroups (GM_LidarClassFilter_t aClassFilter, GM_LidarClassGroup_t16 aGroupMask, bool aMatchAny) -> GM_Error_t32, GM_LidarClassFilter_t

    Modify a Lidar class filter so that all classes with the given group are enabled.

    **NOTE:** This function will modify the input argument *aClassFilter* to enable the given group. It is also returned
    from the function as a convenience. If you don't want *aClassFilter* to be altered, you should create a copy before
    calling this function.

    :param GM_LidarClassFilter_t aClassFilter: The filter object to enable the class group in.
    :param GM_LidarClassGroup_t16 aGroupMask: Mask of Lidar class groups to enable.
    :param bool aMatchAny: Whether it will match any groups in the mask or require all.
    :returns: Error Code
    :rtype: GM_Error_t32
    :returns: Class filter that will be filled in.
    :rtype: GM_LidarClassFilter_t