org.n52.wps.ags.spatialanalyst.hydrology.sink Sink_sa Creates a raster identifying all sinks or areas of internal drainage. Uses ArcObjects library - Spatial Analyst in_flow_direction_raster in flow direction raster The input raster that records the direction of flow out of each cell. This is created with the Flow Direction function. application/img application/GeoTIFF application/img out_raster out raster The output raster that shows all the sinks (areas of internal drainage) on the input surface. application/img application/GeoTIFF application/img