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Create MathOp Times Raster Snippet (ArcObjects .NET 10.5 SDK)

ArcObjects Library Reference

Create MathOp Times Raster Snippet

[C#]

/// <summary>
/// Create a raster from times (multiplication) of two input GeoDataset's.
/// </summary>
/// <param name="geoDataset_1">An IGeoDataset interface that has cell values to have multiplication perfomed upon.</param>
/// <param name="geoDataset_2">An IGeoDataset interface that has cell values to have multiplication performed upon.</param>
/// <returns>An IGeoDataset interface that is the result of multiplying  two input rasters.</returns>
/// <remarks>
/// Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor.
/// 
/// For information about the IMathOp.Times Method see:
/// http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/IMathOp_Times.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 CreateMathOpTimesRaster(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 MathOps object                            
        ESRI.ArcGIS.SpatialAnalyst.IMathOp mathOp=new ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass();

        // Declare the output raster object                     
        ESRI.ArcGIS.Geodatabase.IGeoDataset geodataset_output=mathOp.Times(geoDataset_1, geoDataset_2);

        return geodataset_output;

    }
    else
    {

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

    }

}

[Visual Basic .NET]

''' <summary>
''' Create a raster from times (multiplication) of two input GeoDataset's.
''' </summary>
''' <param name="geoDataset_1">An IGeoDataset interface that has cell values to have multiplication perfomed upon.</param>
''' <param name="geoDataset_2">An IGeoDataset interface that has cell values to have multiplication performed upon.</param>
''' <returns>An IGeoDataset interface that is the result of multiplying  two input rasters.</returns>
''' <remarks>
''' Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor.
''' 
''' For information about the IMathOp.Times Method see:
''' http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/IMathOp_Times.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 CreateMathOpTimesRaster(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 MathOps object                         
    Dim mathOp As ESRI.ArcGIS.SpatialAnalyst.IMathOp=New ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass

    ' Declare the output raster object                  
    Dim geodataset_output As ESRI.ArcGIS.Geodatabase.IGeoDataset=mathOp.Times(geoDataset_1, geoDataset_2)

    Return geodataset_output

  Else

    'Invalid type of GeoDataset for this process
    Return Nothing

  End If

End Function