This document is archived and information here might be outdated. Recommended version. |
Create an inverse tangent raster from an input GeoDataset.
/// <summary> /// Create an inverse tangent raster from an input GeoDataset. /// </summary> /// <param name="geodataset">An IGeoDataset interface that has cell values that need to have inverse tangent value computed.</param> /// <returns>An IGeoDataset interface that contains inverse tangent values of the input raster.</returns> /// <remarks> /// Note: the input geoDataset must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor. /// /// For information about the ITrigOp.ATan Method see: /// http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/ITrigOp_ATan.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 CreateTrigOpATanRaster(ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset) { if (geoDataset is ESRI.ArcGIS.Geodatabase.IRaster | geoDataset is ESRI.ArcGIS.Geodatabase.IRasterDataset | geoDataset is ESRI.ArcGIS.DataSourcesRaster.IRasterBand | geoDataset is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) { //Create the RasterMathOps object ESRI.ArcGIS.SpatialAnalyst.ITrigOp trigOp=new ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass(); // Create the output raster object ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset_output=trigOp.ATan(geoDataset); return geoDataset_output; } else { //Invalid type of GeoDataset for this process return null; } }
''' <summary> ''' Create an inverse tangent raster from an input GeoDataset. ''' </summary> ''' <param name="geodataset">An IGeoDataset interface that has cell values that need to have inverse tangent value computed.</param> ''' <returns>An IGeoDataset interface that contains inverse tangent values of the input raster.</returns> ''' <remarks> ''' Note: the input geoDataset must be of Type IRaster, IRasterDataset, IRasterBand, or IRasterDescriptor. ''' ''' For information about the ITrigOp.ATan Method see: ''' http://edndoc.esri.com/arcobjects/9.2/ComponentHelp/esriSpatialAnalyst/ITrigOp_ATan.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 CreateTrigOpATanRaster(ByVal geoDataset As ESRI.ArcGIS.Geodatabase.IGeoDataset) As ESRI.ArcGIS.Geodatabase.IGeoDataset If (TypeOf geoDataset Is ESRI.ArcGIS.Geodatabase.IRaster _ Or TypeOf geoDataset Is ESRI.ArcGIS.Geodatabase.IRasterDataset _ Or TypeOf geoDataset Is ESRI.ArcGIS.DataSourcesRaster.IRasterBand _ Or TypeOf geoDataset Is ESRI.ArcGIS.GeoAnalyst.IRasterDescriptor) Then 'Create the RasterMathOps object Dim trigOp As ESRI.ArcGIS.SpatialAnalyst.ITrigOp=New ESRI.ArcGIS.SpatialAnalyst.RasterMathOpsClass ' Create the output raster object Dim geoDataset_output As ESRI.ArcGIS.Geodatabase.IGeoDataset=trigOp.ATan(geoDataset) Return geoDataset_output Else 'Invalid type of GeoDataset for this process Return Nothing End If End Function