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Create an inverse tangent raster from two input GeoDataset's.
/// <summary> /// Create an inverse tangent raster from two input GeoDataset's. /// </summary> /// <param name="geoDataset_x">An IGeoDataset interface that has cell values that are the numerator (x).</param> /// <param name="geoDataset_y">An IGeoDatasett interface that has cell values that are the denominator (y).</param> /// <returns>An IGeoDataset interface that is the result of an inverse tanget from two input rasters (x/y).</returns> /// <remarks> /// Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor. /// /// For information about the ITrigOp.ATan2 Method see: /// http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/ITrigOp_ATan2.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 CreateTrigOpATan2Raster(ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_x, ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_y) { if ((geoDataset_x is ESRI.ArcGIS.Geodatabase.IRaster | geoDataset_x is ESRI.ArcGIS.Geodatabase.IRasterDataset | geoDataset_x is ESRI.ArcGIS.DataSourcesRaster.IRasterBand | geoDataset_x is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) & (geoDataset_y is ESRI.ArcGIS.Geodatabase.IRaster | geoDataset_y is ESRI.ArcGIS.Geodatabase.IRasterDataset | geoDataset_y is ESRI.ArcGIS.DataSourcesRaster.IRasterBand | geoDataset_y is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor)) { // Create the MathOps object ESRI.ArcGIS.SpatialAnalyst.ITrigOp trigOp=new ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass(); // Declare the output raster object ESRI.ArcGIS.Geodatabase.IGeoDataset geodataset_output=trigOp.ATan2(geoDataset_x, geoDataset_y); return geodataset_output; } else { //Invalid type of GeoDataset for this process return null; } }
''' <summary> ''' Create an inverse tangent raster from two input GeoDataset's. ''' </summary> ''' <param name="geoDataset_x">An IGeoDataset interface that has cell values that are the numerator (x).</param> ''' <param name="geoDataset_y">An IGeoDatasett interface that has cell values that are the denominator (y).</param> ''' <returns>An IGeoDataset interface that is the result of an inverse tanget from two input rasters (x/y).</returns> ''' <remarks> ''' Note: the input geoDataset's must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor. ''' ''' For information about the ITrigOp.ATan2 Method see: ''' http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/ITrigOp_ATan2.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 CreateTrigOpATan2Raster(ByVal geoDataset_x As ESRI.ArcGIS.Geodatabase.IGeoDataset, ByVal geoDataset_y As ESRI.ArcGIS.Geodatabase.IGeoDataset) As ESRI.ArcGIS.Geodatabase.IGeoDataset If (TypeOf geoDataset_x Is ESRI.ArcGIS.Geodatabase.IRaster _ Or TypeOf geoDataset_x Is ESRI.ArcGIS.Geodatabase.IRasterDataset _ Or TypeOf geoDataset_x Is ESRI.ArcGIS.DataSourcesRaster.IRasterBand _ Or TypeOf geoDataset_x Is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) _ And (TypeOf geoDataset_y Is ESRI.ArcGIS.Geodatabase.IRaster _ Or TypeOf geoDataset_y Is ESRI.ArcGIS.Geodatabase.IRasterDataset _ Or TypeOf geoDataset_y Is ESRI.ArcGIS.DataSourcesRaster.IRasterBand _ Or TypeOf geoDataset_y Is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) Then ' Create the MathOps object Dim trigOp As ESRI.ArcGIS.SpatialAnalyst.ITrigOp=New ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass ' Declare the output raster object Dim geodataset_output As ESRI.ArcGIS.Geodatabase.IGeoDataset=trigOp.ATan2(geoDataset_x, geoDataset_y) Return geodataset_output Else 'Invalid type of GeoDataset for this process Return Nothing End If End Function