safe.gis.gdal_ogr_tools module¶

GDAL/OGR utility tools

safe.gis.gdal_ogr_tools.polygonize_thresholds(raster_file_name, threshold_min=0.0, threshold_max=inf)[source]¶

Function to polygonize raster. Areas (pixels) with threshold_min < pixel_values < threshold_max will be converted to polygons.

Parameters:	raster_file_name (string) – Raster file name threshold_min (float) – Value that splits raster to flooded or not flooded. threshold_max (float) – Value that splits raster to flooded or not flooded.
Returns:	Polygon shape file name
Return type:	string