This PR adds a field for DEM description into runconfig and the output product.
The field dem_description will be populated into /metadata/processing_information/inputs/dem_source, which was previously being populated with the filename of the DEM i.e. dem_file.
This PR adds a field for DEM description into runconfig and the output product. The field
dem_descriptionwill be populated into/metadata/processing_information/inputs/dem_source, which was previously being populated with the filename of the DEM i.e.dem_file.