globalmapper.SetFeatureDescription
==================================

.. currentmodule:: globalmapper
.. py:function:: SetFeatureDescription (GM_LayerHandle_t32 aLayer, GM_FeatureClassType_t8 aFeatureClassType, uint32 aFeatureIndex, string aDesc) -> GM_Error_t32

    Sets the description for the given area, line, or point feature in the given layer. Pass in None for the description
    to reset to the original description for the feature (typically the feature classification).

    :param GM_LayerHandle_t32 aLayer: Layer the feature is in
    :param GM_FeatureClassType_t8 aFeatureClassType: Type of feature class (area, point, line)
    :param uint32 aFeatureIndex: Index of feature in layer
    :param str aDesc: New description for feature (use None to reset to default)
    :returns: Error Code
    :rtype: GM_Error_t32