Exception is thrown when attempting to render a png with negative rotations.
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Key: GEOT-1395
URL: http://jira.codehaus.org/browse/GEOT-1395
Project: GeoTools
Issue Type: Bug
Components: core coverage
Affects Versions: 2.3.2
Environment: SUSE Linux 10.1, JDK 6
Reporter: Gabriella Turek
Assignee: Martin Desruisseaux
Fix For: 2.3.3
Attachments: bkgrndmap.tar.gz, wind.tar.gz
When trying to render georeferenced png file with negative rotation angles the
following exception is thrown:
Jul 12, 2007 5:01:17 PM nz.co.niwa.geotools.StreamingRenderer renderRaster
WARNING: FilteredSubsample Subsample scale factors must be positive.
java.lang.IllegalArgumentException: FilteredSubsample Subsample scale factors
must be positive.
at javax.media.jai.JAI.createNS(JAI.java:1087)
at javax.media.jai.JAI.create(JAI.java:973)
at
org.geotools.coverage.processing.operation.FilteredSubsampledGridCoverage2D.create(FilteredSubsampledGridCoverage2D.java:220)
at
org.geotools.coverage.processing.operation.FilteredSubsample.doOperation(FilteredSubsample.java:132)
at
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.filteredSubsample(GridCoverageRenderer.java:924)
at
org.geotools.renderer.lite.gridcoverage2d.GridCoverageRenderer.paint(GridCoverageRenderer.java:553)
at
nz.co.niwa.geotools.StreamingRenderer.renderRaster(StreamingRenderer.java:1911)
at
nz.co.niwa.geotools.StreamingRenderer.processSymbolizers(StreamingRenderer.java:1685)
at
nz.co.niwa.geotools.StreamingRenderer.process(StreamingRenderer.java:1628)
at
nz.co.niwa.geotools.StreamingRenderer.processStylers(StreamingRenderer.java:1570)
at
nz.co.niwa.geotools.StreamingRenderer.paint(StreamingRenderer.java:560)
at
nz.co.niwa.geotools.StreamingRenderer.paint(StreamingRenderer.java:415)
at nz.co.niwa.geotools.JMapPane.paintComponent(JMapPane.java:416)
I am attaching an example png file of extreme wind model covering Christchurch,
NZ. As a reference I am also attaching map of area over which wind data should
be overimposed.
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