public bool SetNoData(string inRaster, int excludeValue, string outRaster, out string msg)
{
msg = string.Empty;
bool result = true;
//IGeoDataset geoDataSet = null;
IGeoProcessorResult geoProcessorResult = null;
try
{
ESRI.ArcGIS.SpatialAnalystTools.SetNull setNull = new ESRI.ArcGIS.SpatialAnalystTools.SetNull();
//geoDataSet = EngineAPI.OpenRasterFile(inRaster) as IGeoDataset;
setNull.in_conditional_raster = inRaster;
setNull.in_false_raster_or_constant = inRaster;
setNull.where_clause = "VALUE <> " + excludeValue;
setNull.out_raster = outRaster;
//geoProcessorResult = this.m_gp.Execute(setNull, null) as IGeoProcessorResult;
//msg += GetGPMessages(this.m_gp);
//Geoprocessor m_gp = new Geoprocessor() { OverwriteOutput = true };
geoProcessorResult = m_gp.Execute(setNull, null) as IGeoProcessorResult;
msg += GetGPMessages(m_gp);
if (geoProcessorResult.Status != esriJobStatus.esriJobSucceeded)
{
result = false;
}
return(result);
}
catch (Exception ex)
{
throw ex;
}
finally
{
Marshal.ReleaseComObject(geoProcessorResult);
}
}
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);
}
