GeoTools

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Monday, November 26, 2012

GeoTools 8.4 Released


The GeoTools team is pleased to annonce the release of GeoTools 8.4, available for download from SourceForge:
This release is also deployed to the OSGeo Maven Repository. For more information on setting up your project with Maven consult the Quickstart.

About GeoTools 8.4

GeoTools 8.4 is primarily a bug fix release containing some good fixes:
  • [GEOT-4161] - UOM based symbolizers should not be affected by DPI rescaling
  • [GEOT-4293] - Nullpointer from FeatureHandler from FeatureJson
  • [GEOT-4311] - Relative url in external graphic doesn't resolve
  • [GEOT-4186] - Avoid NPE when calling ExternalGraphics.setLocation() with a null location
  • [GEOT-4269] - Harden Renderer calculateScale routine against bad source CRSes
  • [GEOT-4301] - A fix for the missing CRS info on the parsed GML2 document
  • [GEOT-4040] - Support PostgreSQL 9 hex bytea output format to avoid massive data corruption
A number of these improvements came in from the community via GitHub pull request:
We would like thank Milton Jonathan, Gerson Gerlang, Davide Savazzi, Sebastian Graca for their contributions. 

Upgrading from GeoTools 2.7

For those migrating from GeoTools 2.7, upgrade instructions are available. No additional GeoTools 2.7 released are scheduled. 

Thanks for using GeoTools.


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Friday, November 16, 2012

FeatureCollection cleanup

The FeatureCollection cleanup proposal is now complete. The first batch of work went into the GeoTools 8.0 release, this second phase removes several methods from FeatureCollection. These methods were not widely implemented, and as a result not adopted by client code.
Upgrade instructions are available: As part of this work Andrea provided an extensive review of the existing FeatureCollection implementations and a number of utility methods have been introduced to make working with features easier:
  • DataUtilities.visit( FeatureCollection, FeatureVisitor, ProgerssListener )
  • DataUtilities.bounds( FeatureCollection ) // Already existed
  • DataUtilities.bounds( FeatureIterator )
  • DataUtilities.count( FeatureCollection )
  • DataUtilities.count( FeatureIterator )
  • DataUtilities.close( Iterator )
  • DataUtilities.first( SimpleFeatureCollection ): SimpleFeature
  • DataUtilities.first( FeatureCollection ): F
  • DataUtilities.list( FeatureCollection ): List  // Already existed 
  • DataUtilities.list( FeatureCollection, int ): List
  • DataUtilities.iterator( FeatureIterator ): Iterator // also Closable 
  • DataUtilities.collectionCast( FeatureCollection ): Collection
For additional information, and an overview of the FeatureCollection implementations please review the detailed change proposal.
If you cannot make the transition today:
  • A milestone 9.0-M0 release has been deployed to maven. 
  • To switch your maven pom.xml over to 9.0-M0: 
    <properties>
   <geotools.version>9.0-M0</geotools.version>
</properties>
...
<dependency>
  <groupId>org.geotools</groupId>
  <artifactId>gt-main</artifactId>
  <version>${geotools.version}</version>
</dependency>
  • You can use this milestone release as a rest area until you have time to upgrade.
One of the joys of working on a large stable project such as GeoTools is the gradual change of pace, and the careful planning that goes into keeping projects working together:
  • The initial GeoTools 2.0 rewrite provided a clear FeatureResults API acting in a fashion similar to a JDBC ResultSet.
  • GeoTools 2.1 introduced FeatureCollection as a superclass of FeatureResults, bringing in the java.util.Collection methods being removed today. This was motivated by an amusing Bring Back FeatureCollection rant from our founder James MacGill - well we tried James and it was a bad idea.
  • The transition to Java 5 forced us to remove direct use of the java.util.Collection interface, however we kept the methods for backwards compatibility. It was too easy to introduce a resource leak with the Java 5 for-each syntax:
for( Feature feature : featureCollection ){
    System.out.println( feature.getID() );
}
  • With todays change GeoTools programs are ready for the Java 7 try-with-resource syntax as shown below:
try( FeatureIterator iter=featureCollection.features() ){
   while( iter.hasNext() ){
        Feature feature = iter.next();
        System.out.println( feature.getID() );
   }
}
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Sunday, October 28, 2012

GeoTools 8.3 Released

The GeoTools community is pleased to anounce the release of GeoTools 8.3, available for download from SourceForge:
This release is also deployed to the OSGeo Maven Repository. For more information on setting up your project with Maven consult the Quickstart.
Thanks for using GeoTools.
------
The GeoTools Community

About GeoTools 8.3

GeoTools 8.3 is a stable release focused on bug fixes and improvements:
Bug fixes:
  • [GEOT-4024] - shapefile-ng build fails due to failing tests
  • [GEOT-4204] - Intermittent JDBCJoinTest failures
  • [GEOT-4257] - getBounds in MemoryDataStore throws NPE when store contains features with null geometries
  • [GEOT-4258] - envelope returned by MemoryDataStore getBounds has no coordinate reference system set
  • [GEOT-4266] - Contour Process fails to output value attribute when smoothing is enabled
  • [GEOT-4275] - Heatmap RT does not clip input points correctly
  • [GEOT-4279] - NADCON grid shift factory does not release channels on grid files
  • [GEOT-4287] - Anonymous types handling are broken in app-schema
Improvements
  • [GEOT-4160] - Support parsing srsName in OGC HTTP URI format
  • [GEOT-4264] - Introduce SortBy Clause on ImageMosaicReader
  • [GEOT-4265] - Provide a default granules order on ImageMosaic creation
  • [GEOT-4270] - Make all MouseDragBox methods public
  • [GEOT-4271] - Create new arrow shape suitable for winds and currents
  • [GEOT-4278] - Allow encoding of null value properties in the GeoJSON document
A number of improvements came in from the community via GitHub pull request. Thanks to all who submitted a contribution:
  • Christian for bringing Postgis raster documentation up to date and Adapt PG raster online tests
  • Martin Davis GEOT-4275 (Heatmap RT does not clip input points correctly)
  • Carlo Cancellieri GEOT-4264 (Introduce SortBy Clause on ImageMosaicReader)
  • Michael Bedward GEOT-4270 (Made MouseDragBox constructor and methods public)
  • Sebastian Graca GEOT-4257 (getBounds in MemoryDataStore throws NPE when store contains features with null geometries) and GEOT-4258 (envelope returned by MemoryDataStore getBounds has no coordinate reference system set)

Upgrading from GeoTools 2.7

Upgrade instructions are available for those upgrading from GeoTools 2.7.
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Thursday, September 20, 2012

GeoTools 8.2 Released

The GeoTools community is pleased to annonce the release of GeoTools 8.2, available for download from SourceForge:
This release is also deployed to the OSGeo Maven Repository. For more information on setting up your project with Maven consult the Quickstart.

About GeoTools 8.2

GeoTools 8.2 is primarily a bug fix release with the following issues being fixed:
  • GEOT-4230 - Histogram operation does not pass through low,high,numBin parameters
  • GEOT-4254 - CustomPaletteBuilder dies on translate BufferedImage
  • GEOT-4255 - Reprojecting feature collection fails if bursa-wolf params are missing in either source or target crs
  • GEOT-4263 - TimeParser in ImageMosaic is too lenient
  • GEOT-4005 - Provide logging for cascaded WMS queries
A number of improvements came in from the community via GitHub pull request. Thanks to all who submitted a contribution:

Upgrading from GeoTools 2.7

For those migrating from GeoTools 2.7, upgrade instructions are available. No additional GeoTools 2.7.x releases are scheduled. 


Thanks for using GeoTools.
--
The GeoTools Team
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Sunday, September 16, 2012

GeoTools 8.1 Released


The Geotools community is pleased to announce the release of Geotools 8.1 to  sourceforge downloads:
This release is also deployed to our OSGeo Maven Repository. For more information on setting up your project with Maven, see the Quickstart  included in the user guide.

We would like to thank all the developers, users and contributor that have helped to make this release possible.

Enjoy,
The GeoTools Community
http://geotools.org

About GeoTools 8.1

Geotools 8.1 is a stable release made in conjunction with GeoServer 2.2-RC3 and uDig 1.3.2.

This is a bug fix release with a small number of improvements:
  • [GEOT-4126] App-schema: Enable specifying row number in getting sourceExpressionw for denormalised rows
  • [GEOT-4216] Add SplitPolygon, Polygonize processes
  • [GEOT-4217] H2DataStoreFactory does not create a manageable data source
  • [GEOT-4236] Allow external PRJ to override internal CRS definition
  • For additional information (and 11 bug fixes) please see the GeoTools 8.1 Release Notes.

About The GeoTools 8 Series

The GeoTools 8 is the stable release series recommended for production systems.

New features available in Geotools 8:
For those migrating from GeoTools 2.7, upgrade instructions are available. No additional GeoTools 2.7.x releases are scheduled.

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Monday, August 6, 2012

Geotools 8.0 Released


The Geotools community is pleased to announce the availability of Geotools 8.0 for download on sourceforge.
If you are using Maven, this release is deployed to our OSGeo Maven Repository:

For more information on setting up your project with Maven, see the Quickstart (included in the user guide documentation pack above).

Geotools 8.0 is a stable release made in conjunction with GeoServer 2.2-RC2 and GeoWebCache 1.3-RC4. Currently there are no additional updates to 2.7.x planned.

Geotools 8.0 comes feature packed compared to its 2.7.x releases. Highlights include:
More information can be found by checking out the proposals made for this release here.

For those migrating from GeoTools 2.7, additional instructions are available here.

We would like to take the opportunity to thank all the developers, users and contributor that have helped to make this release possible.

Enjoy,
The GeoTools Community
http://geotools.org
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Tuesday, July 3, 2012

GeoTools 8.0 RC2 Released


The Geotools community is pleased to announce the availability of Geotools 8.0-RC2 for download on sourceforge.
If you are using Maven, this release is deployed to our OSGeo Maven Repository:

For more information on setting up your project with Maven, see the Quickstart (included in the userguide documentation pack above).

The release includes plenty of bug fixes and improvements. Highlights include:
  • support for Postgis 2.0.
  • Add option to forgo encoding srsDimension on gml geometries and envelopes.
  • Rendering Transformation process to allow on-the-fly heatmap visualization.
  • Support encoding of GML srsName in urn:ogc format.
For more information on the release, check out the release notes for all the details.

This will also be the last release made from SVN because Geotools is moving to Github. A big thank you to OSGeo System Admin Committee for hosting the SVN repository

We would like to take the opportunity to thank all the developers, users and contributor that have helped to make this release possible.

Enjoy,
The GeoTools Community
http://geotools.org
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