com.esri.arcgis.spatialanalyst
Interface IMapAlgebraOp

All Superinterfaces:

Serializable

All Known Implementing Classes:

RasterMapAlgebraOp

public interface IMapAlgebraOp
extends Serializable

Provides access to members that control the MapAlgebra operations.

Remarks

Read the Working with ArcGIS Spatial Analyst objects technical document for general information on implementing Spatial Analyst operations.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Spatial Analyst Extension.

Method Summary

void	bindRaster(IGeoDataset geoDataset, String symbol) Binds a symbol to a GeoDataset.
IGeoDataset	execute(String expression) Produces a GeoDataset by executing an expression.
void	unbindRaster(String symbolName) Unbind a symbol.

Method Detail

bindRaster

void bindRaster(IGeoDataset geoDataset,
                String symbol)
                throws IOException,
                       AutomationException

Binds a symbol to a GeoDataset.

Remarks

geoDataset	an input Raster, RasterDataset, RasterBand, or RasterDescriptor
symbol	a string name specifying the input geoDataset to be included in the execute expression

• Read the Working with ArcGIS Spatial Analyst objects technical document for general information on implementing Spatial Analyst operations

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Spatial Analyst Extension.

Supported Platforms

Windows, Solaris, Linux

Parameters:

geoDataset - A reference to a com.esri.arcgis.geodatabase.IGeoDataset (in)

symbol - The symbol (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

execute

IGeoDataset execute(String expression)
                    throws IOException,
                           AutomationException

Produces a GeoDataset by executing an expression.

Remarks

expression

a string statement specifying a map algebra equation. Symbol objects created from IMapAlgebra::BindRaster must be surrounded by "[ ]" Example. "[Ras01] + [Ras02]"

• The method returns a reference to a Raster object.
• Read the Working with ArcGIS Spatial Analyst objects technical document for general information on implementing Spatial Analyst operations

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Spatial Analyst Extension.

Supported Platforms

Windows, Solaris, Linux

Parameters:

expression - The expression (in)

Returns:

A reference to a com.esri.arcgis.geodatabase.IGeoDataset

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

unbindRaster

void unbindRaster(String symbolName)
                  throws IOException,
                         AutomationException

Unbind a symbol.

Remarks

symbolName

a string specifying the name of the raster symbol object created from IMapALgebra::BindRaster

• Read the Working with ArcGIS Spatial Analyst objects technical document for general information on implementing Spatial Analyst operations

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Spatial Analyst Extension.

Supported Platforms

Windows, Solaris, Linux

Parameters:

symbolName - The symbolName (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.