Create DistanceOp Corridor Raster Snippet (ArcObjects .NET 10.6 SDK)
ArcObjects Library Reference

Create DistanceOp Corridor Raster Snippet

Create a raster of accumulative costs from two input accumulative cost GeoDataset's.

[C#]
/// <summary>
/// Create a raster of accumulative costs from two input accumulative cost GeoDataset's.
/// </summary>
/// <param name="geoDataset_1">An IGeoDataset interface that has accumulated cost cells from IDistance.CostDistance or other cost methods.</param>
/// <param name="geoDataset_2">An IGeoDataset interface that has accumulated cost cells from IDistance.CostDistance or other cost methods.</param>
/// <returns>An IGeoDataset interface that is the sum of the two input accumulative cost rasters.</returns>
/// <remarks>
/// Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor.
/// 
/// For information about the IDistanceOp.Corridor Method see:
/// http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/IDistanceOp_Corridor.htm
/// 
/// For more information on working with the ArcGIS Spatial Anaylst objects see:
/// http://edndoc.esri.com/arcobjects/9.2/CPP_VB6_VBA_VCPP_Doc/COM/VB6/working/work_rasters/sptl_analyst_objs.htm
/// </remarks>
public ESRI.ArcGIS.Geodatabase.IGeoDataset CreateDistanceOpCorridorRaster(ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_1, ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_2)
{

    if ((geoDataset_1 is ESRI.ArcGIS.Geodatabase.IRaster | geoDataset_1 is ESRI.ArcGIS.Geodatabase.IRasterDataset | geoDataset_1 is ESRI.ArcGIS.DataSourcesRaster.IRasterBand | geoDataset_1 is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) & (geoDataset_2 is ESRI.ArcGIS.Geodatabase.IRaster | geoDataset_2 is ESRI.ArcGIS.Geodatabase.IRasterDataset | geoDataset_2 is ESRI.ArcGIS.DataSourcesRaster.IRasterBand | geoDataset_2 is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor))
    {

        // Create the RasterDistanceOp object                   
        ESRI.ArcGIS.SpatialAnalyst.IDistanceOp distanceOp=new ESRI.ArcGIS.SpatialAnalyst.RasterDistanceOpClass();

        // Declare the output raster object                             
        ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_output=distanceOp.Corridor(geoDataset_1, geoDataset_2);

        return geoDataset_output;
    }
    else
    {

        //Invalid type of GeoDataset for this process
        return null;

    }

}
[Visual Basic .NET]
''' <summary>
''' Create a raster of accumulative costs from two input accumulative cost GeoDataset's.
''' </summary>
''' <param name="geoDataset_1">An IGeoDataset interface that has accumulated cost cells from IDistance.CostDistance or other cost methods.</param>
''' <param name="geoDataset_2">An IGeoDataset interface that has accumulated cost cells from IDistance.CostDistance or other cost methods.</param>
''' <returns>An IGeoDataset interface that is the sum of the two input accumulative cost rasters.</returns>
''' <remarks>
''' Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor.
''' 
''' For information about the IDistanceOp.Corridor Method see:
''' http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/IDistanceOp_Corridor.htm
''' 
''' For more information on working with the ArcGIS Spatial Anaylst objects see:
''' http://edndoc.esri.com/arcobjects/9.2/CPP_VB6_VBA_VCPP_Doc/COM/VB6/working/work_rasters/sptl_analyst_objs.htm
''' </remarks>
Public Function CreateDistanceOpCorridorRaster(ByVal geoDataset_1 As ESRI.ArcGIS.Geodatabase.IGeoDataset, ByVal geoDataset_2 As ESRI.ArcGIS.Geodatabase.IGeoDataset) As ESRI.ArcGIS.Geodatabase.IGeoDataset

  If (TypeOf geoDataset_1 Is ESRI.ArcGIS.Geodatabase.IRaster _
  Or TypeOf geoDataset_1 Is ESRI.ArcGIS.Geodatabase.IRasterDataset _
  Or TypeOf geoDataset_1 Is ESRI.ArcGIS.DataSourcesRaster.IRasterBand _
  Or TypeOf geoDataset_1 Is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) _
  And (TypeOf geoDataset_2 Is ESRI.ArcGIS.Geodatabase.IRaster _
  Or TypeOf geoDataset_2 Is ESRI.ArcGIS.Geodatabase.IRasterDataset _
  Or TypeOf geoDataset_2 Is ESRI.ArcGIS.DataSourcesRaster.IRasterBand _
  Or TypeOf geoDataset_2 Is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) Then

    ' Create the RasterDistanceOp object                        
    Dim distanceOp As ESRI.ArcGIS.SpatialAnalyst.IDistanceOp=New ESRI.ArcGIS.SpatialAnalyst.RasterDistanceOpClass

    ' Declare the output raster object                          
    Dim geoDataset_output As ESRI.ArcGIS.Geodatabase.IGeoDataset=distanceOp.Corridor(geoDataset_1, geoDataset_2)

    Return geoDataset_output
  Else

    'Invalid type of GeoDataset for this process
    Return Nothing

  End If

End Function

Additional Requirements
  • The code in this document requires the following References added to the Visual Studio project:
  • ESRI.ArcGIS.DataSourcesRaster
  • ESRI.ArcGIS.GeoAnalyst
  • ESRI.ArcGIS.Geodatabase
  • ESRI.ArcGIS.SpatialAnalyst
  • ESRI.ArcGIS.System