org.geotools.process.raster

Class JiffleProcess

Object

JiffleProcess

All Implemented Interfaces:

RasterProcess

public class JiffleProcess
extends Object
implements RasterProcess

Field Summary

Fields

Modifier and Type	Field and Description
static String	IN_COVERAGE
static String	IN_DEST_NAME
static String	IN_OUTPUT_TYPE
static String	IN_SCRIPT
static String	IN_SOURCE_NAME
static String	OUT_RESULT
static String	TX_BANDS

Constructor Summary

Constructors

Constructor and Description
JiffleProcess()

Method Summary

Modifier and Type	Method and Description
GeneralParameterValue[]	customizeReadParams(String script, String destName, String[] sourceNames, int[] usedBands, GridCoverageReader reader, GeneralParameterValue[] params) This is called by the renderer to optimize the read, if possible, we'll customize the band reading so that we read only what we know will be used by the script.
GridCoverage2D	execute(GridCoverage2D[] coverages, String script, String destName, String[] sourceNames, Range.DataType dataType, ProgressListener progressListener) Executes a Jiffle raster algebra.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IN_COVERAGE

public static final String IN_COVERAGE

See Also:

Constant Field Values

IN_SCRIPT

public static final String IN_SCRIPT

See Also:

Constant Field Values

IN_DEST_NAME

public static final String IN_DEST_NAME

See Also:

Constant Field Values

IN_SOURCE_NAME

public static final String IN_SOURCE_NAME

See Also:

Constant Field Values

IN_OUTPUT_TYPE

public static final String IN_OUTPUT_TYPE

See Also:

Constant Field Values

OUT_RESULT

public static final String OUT_RESULT

See Also:

Constant Field Values

TX_BANDS

public static final String TX_BANDS

See Also:

Constant Field Values

Constructor Detail

JiffleProcess

public JiffleProcess()

Method Detail

execute

public GridCoverage2D execute(GridCoverage2D[] coverages,
                              String script,
                              String destName,
                              String[] sourceNames,
                              Range.DataType dataType,
                              ProgressListener progressListener)
                       throws ProcessException,
                              JiffleException

Executes a Jiffle raster algebra. Check the DescribeParameter annotations for a description of the various arguments

Throws:

ProcessException

JiffleException

customizeReadParams

public GeneralParameterValue[] customizeReadParams(String script,
                                                   String destName,
                                                   String[] sourceNames,
                                                   int[] usedBands,
                                                   GridCoverageReader reader,
                                                   GeneralParameterValue[] params)

This is called by the renderer to optimize the read, if possible, we'll customize the band reading so that we read only what we know will be used by the script. At the time of writing, this works only if band positions in the script are literals.