Package org.openjump.core.rasterimage

Class OverviewsUtils

java.lang.Object

org.openjump.core.rasterimage.OverviewsUtils

public class OverviewsUtils
extends Object

Author:

AdL

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OverviewsUtils.CompressionType
static class	OverviewsUtils.ScaleAlgorithm

Constructor Summary

Constructors

Constructor	Description
OverviewsUtils()

Method Summary

Modifier and Type	Method	Description
static void	createOverviews(File tiffFile, int overviewsCount)	Modified from GeoTools' OverviewsEmbedder.java
static Overviews	getOverviews(File tiffFile, org.locationtech.jts.geom.Envelope envelope)
static javax.media.jai.RenderedOp	scaleAverage(ParameterBlock paramBlock, double xScale, double yScale)

Methods inherited from class java.lang.Object

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

Constructor Detail

OverviewsUtils

public OverviewsUtils()

Method Detail

getOverviews

public static Overviews getOverviews(File tiffFile,
                                     org.locationtech.jts.geom.Envelope envelope)
                              throws IOException

Throws:

IOException

createOverviews

public static void createOverviews(File tiffFile,
                                   int overviewsCount)
                            throws IOException

Modified from GeoTools' OverviewsEmbedder.java

Parameters:

tiffFile - file containing the tiff image

overviewsCount - number of overviews

Throws:

IOException - if an IOException occurs

scaleAverage

public static javax.media.jai.RenderedOp scaleAverage(ParameterBlock paramBlock,
                                                      double xScale,
                                                      double yScale)