public static IRaster Fill(IRaster surface, string outputPath)
{
var geoprocessor = GeoprocessingUtility.GetGeoprocessor(true, false, true, surface);
var fillTool = new ESRI.ArcGIS.SpatialAnalystTools.Fill();
fillTool.in_surface_raster = GeoprocessingUtility.GetGPRasterObject(surface);
fillTool.out_surface_raster = outputPath;
string resultPath = GeoprocessingUtility.RunGpTool(geoprocessor, fillTool) as string;
IRaster outputRaster = GeoprocessingUtility.GetRasterFromPath(resultPath);
GeoprocessingUtility.ResetGeoprocessor();
return(outputRaster);
}
public static IRaster FlowDirection(IRaster surface, string outputPath, bool forceFlowToEdge = false)
{
var geoprocessor = GeoprocessingUtility.GetGeoprocessor(true, false, true, surface);
var flowDirTool = new ESRI.ArcGIS.SpatialAnalystTools.FlowDirection();
flowDirTool.in_surface_raster = GeoprocessingUtility.GetGPRasterObject(surface);
flowDirTool.force_flow = forceFlowToEdge ? "FORCE" : "NORMAL";
flowDirTool.out_flow_direction_raster = outputPath;
string resultPath = GeoprocessingUtility.RunGpTool(geoprocessor, flowDirTool) as string;
IRaster outputRaster = GeoprocessingUtility.GetRasterFromPath(resultPath);
GeoprocessingUtility.ResetGeoprocessor();
return(outputRaster);
}
public static IRaster SetNull(IRaster condition, IRaster falseRaster, string outputPath)
{
var geoprocessor = GeoprocessingUtility.GetGeoprocessor();
var setNullTool = new ESRI.ArcGIS.SpatialAnalystTools.SetNull();
setNullTool.in_conditional_raster = GeoprocessingUtility.GetGPRasterObject(condition);
setNullTool.in_false_raster_or_constant = GeoprocessingUtility.GetGPRasterObject(falseRaster);
setNullTool.out_raster = outputPath;
string resultPath = GeoprocessingUtility.RunGpTool(geoprocessor, setNullTool) as string;
IRaster outputRaster = GeoprocessingUtility.GetRasterFromPath(resultPath);
GeoprocessingUtility.ResetGeoprocessor();
return(outputRaster);
}
public static IRaster SnapPourPoint(IGeoDataset seedClass, IGeoDataset flowAccumulation, double snapDistance)
{
var geoprocessor = GeoprocessingUtility.GetGeoprocessor();
var snapPourPointTool = new ESRI.ArcGIS.SpatialAnalystTools.SnapPourPoint();
snapPourPointTool.in_pour_point_data = seedClass;
snapPourPointTool.in_accumulation_raster = flowAccumulation;
snapPourPointTool.snap_distance = snapDistance;
string resultPath = GeoprocessingUtility.RunGpTool(geoprocessor, snapPourPointTool) as string;
IRaster outputRaster = GeoprocessingUtility.GetRasterFromPath(resultPath);
GeoprocessingUtility.ResetGeoprocessor();
return(outputRaster);
}
private static IRaster _InternalWatershed(IRaster flowDir, object pourPoints, string outputPath)
{
var geoprocessor = GeoprocessingUtility.GetGeoprocessor(true, false, true, flowDir);
var watershedTool = new ESRI.ArcGIS.SpatialAnalystTools.Watershed();
watershedTool.in_flow_direction_raster = GeoprocessingUtility.GetGPRasterObject(flowDir);
watershedTool.in_pour_point_data = pourPoints;
watershedTool.out_raster = outputPath;
string resultPath = GeoprocessingUtility.RunGpTool(geoprocessor, watershedTool) as string;
IRaster outputRaster = GeoprocessingUtility.GetRasterFromPath(resultPath);
GeoprocessingUtility.ResetGeoprocessor();
return(outputRaster);
}
public static IRaster Watershed(IRaster flowDir, IRaster pourPoints, string outputPath)
{
var pourPointsObject = GeoprocessingUtility.GetGPRasterObject(pourPoints);
return(_InternalWatershed(flowDir, pourPointsObject, outputPath));
}
public static IRaster Watershed(IRaster flowDir, IFeatureClass pourPoints, string outputPath)
{
string pourPointsPath = GeoprocessingUtility.GetFeatureClassPath(pourPoints);
return(_InternalWatershed(flowDir, pourPoints, outputPath));
}
