globalmapper.GenerateDensityGrid ================================ .. currentmodule:: globalmapper .. py:function:: GenerateDensityGrid (GM_LayerHandle_t32 aPointLayer, GM_DensityGridParams_t aGridParms) -> GM_Error_t32, GM_LayerHandle_t32 Generates a density (heat) grid from the point features in a layer. The values will be based on either just the count of point features or the value of some attribute. The returned layer handle must be closed with :doc:`CloseLayer<../load/globalmapper.CloseLayer>` when you are done with it. :param GM_LayerHandle_t32 aPointLayer: Layer to get points from :param GM_DensityGridParams_t aGridParms: Parameters for generating density grid :returns: Error Code :rtype: GM_Error_t32 :return: Created density grid layer :rtype: GM_LayerHandle_t32