It extracts a database into your temp directory; if you are in a high
security sandbox you (such as an applet) you may need to use the
epsg-wkt plugin instead. Details on this choice in the user guide.
Jody
On Tue, Jun 30, 2009 at 5:30 AM, Alexander
Weidauer<alex.weida...@huckfinn.de> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Dear List,
>
> I use geotools 2.5.5 under Suse Linux 10.2 64Bit and within the netbeans
> IDE.
>
> I try to get a simple code running, but always get errors by
> initialization the epsg system.
>
> 1. Is there a explanation how this mechanism works inside of geotools.
> 2. I cannot find any documentation and to understand your plugin system
> is not easy.
> 3. What is the minimal set of jar files to use geotiff and shapefiles.
>
>
> At the moment I try to do this
>
> public class Main {
>
> public static void main(String[] args) {
>
> // --- look what is inside the class path ------------
> String s = System.getProperty("java.class.path");
> String[] f = s.split(":");
>
> // --- try to find the jar for coordinate system -----
> System.out.println("classpath is:");
>
> for (int i = 0; i < f.length; i++) {
> if (f[i].contains("epsg")) {
> System.out.println("********************");
> }
>
> System.out.println(i + ": " + f[i]);
> if (f[i].contains("epsg")) {
> System.out.println("********************");
> }
>
>
> }
> // ------ try to use the epsg definitions -------------
> System.out.println("\ntry to decode EPSG 4326:\n");
> try {
> CoordinateReferenceSystem crs = CRS.decode("EPSG:4326");
> System.out.println("coordinate system is:\n" +
> crs.toString());
> } catch (Exception e) {
> System.out.println(e.getMessage());
> }
> }
> }
>
> The execution of this code fails and give me this hints
>
> classpath is:
> 0: /home/huckfinn/Projekte/gtools-test/lib/geoapi-2.2.0.jar
> 1: /home/huckfinn/Projekte/gtools-test/lib/gt-api-2.5.5.jar
> 2: /home/huckfinn/Projekte/gtools-test/lib/gt-coverage-2.5.5.jar
> 3: /home/huckfinn/Projekte/gtools-test/lib/gt-cql-2.5.5.jar
> 4: /home/huckfinn/Projekte/gtools-test/lib/gt-data-2.5.5.jar
> ********************
> 5: /home/huckfinn/Projekte/gtools-test/lib/gt-epsg-wkt-2.5.5.jar
> ********************
> ********************
> 6: /home/huckfinn/Projekte/gtools-test/lib/gt-epsg-extension-2.5.5.jar
> ********************
> 7: /home/huckfinn/Projekte/gtools-test/lib/gt-geotiff-2.5.5.jar
> 8: /home/huckfinn/Projekte/gtools-test/lib/gt-jdbc-2.5.5.jar
> 9: /home/huckfinn/Projekte/gtools-test/lib/gt-legacy-2.5.5.jar
> 10: /home/huckfinn/Projekte/gtools-test/lib/gt-main-2.5.5.jar
> 11: /home/huckfinn/Projekte/gtools-test/lib/gt-metadata-2.5.5.jar
> 12: /home/huckfinn/Projekte/gtools-test/lib/gt-referencing-2.5.5.jar
> 13: /home/huckfinn/Projekte/gtools-test/lib/gt-render-2.5.5.jar
> 14: /home/huckfinn/Projekte/gtools-test/lib/gt-sample-data-2.5.5.jar
> 15: /home/huckfinn/Projekte/gtools-test/lib/gt-shapefile-2.5.5.jar
> 16: /home/huckfinn/Projekte/gtools-test/lib/gt-xml-2.5.5.jar
> 17: /home/huckfinn/Projekte/gtools-test/build/classes
>
> try to decode EPSG 4326:
>
> 29.06.2009 21:16:00 org.geotools.factory.FactoryRegistry scanForPlugins
> WARNUNG: Can't load a service for category "MathTransformFactory". Cause
> is "NoClassDefFoundError: javax/measure/converter/ConversionException".
> 29.06.2009 21:16:00 org.geotools.factory.FactoryRegistry scanForPlugins
> WARNUNG: Can't load a service for category "CRSAuthorityFactory". Cause
> is "ServiceConfigurationError:
> org.opengis.referencing.crs.CRSAuthorityFactory: Provider org (...)
> org.geotools.factory.FactoryNotFoundException: No factory of kind
> "MathTransformFactory" found.".
> sun.misc.ServiceConfigurationError:
> org.opengis.referencing.crs.CRSAuthorityFactory: Provider
> org.geotools.referencing.factory.epsg.DefaultFactory could not be
> instantiated: org.geotools.factory.FactoryNotFoundException: No factory
> of kind "MathTransformFactory" found.
> at sun.misc.Service.fail(Service.java:120)
> at sun.misc.Service.access$200(Service.java:111)
> at sun.misc.Service$LazyIterator.next(Service.java:276)
> at
> org.geotools.factory.FactoryRegistry.register(FactoryRegistry.java:829)
> at
> org.geotools.factory.FactoryRegistry.scanForPlugins(FactoryRegistry.java:773)
> at
> org.geotools.factory.FactoryRegistry.scanForPluginsIfNeeded(FactoryRegistry.java:808)
> at
> org.geotools.factory.FactoryRegistry.getServiceProviders(FactoryRegistry.java:195)
> at
> org.geotools.referencing.ReferencingFactoryFinder.getFactories(ReferencingFactoryFinder.java:176)
> at
> org.geotools.referencing.ReferencingFactoryFinder.getCRSAuthorityFactories(ReferencingFactoryFinder.java:451)
> at
> org.geotools.referencing.DefaultAuthorityFactory.getBackingFactory(DefaultAuthorityFactory.java:88)
> at
> org.geotools.referencing.DefaultAuthorityFactory.<init>(DefaultAuthorityFactory.java:69)
> at org.geotools.referencing.CRS.getAuthorityFactory(CRS.java:182)
> at org.geotools.referencing.CRS.decode(CRS.java:420)
> at org.geotools.referencing.CRS.decode(CRS.java:348)
> ............
>
>
> Thanx
>
> - --
> Alexander Weidauer
> __________________ _ __ ______ ______
> / _/ __/ ____/ __ \ | / / / _/ |/ / |
> / // /_/ / __/ / / / | / /_____ / // /|_/ / /| |
> _/ // __/ /_/ / /_/ /| |/ /_____// // / / / ___ |
> /___/_/ \____/_____/ |___/ /___/_/ /_/_/ |_|
>
> Institut für Geodatenverarbeitung
> Informationsdienste, -modelle und -applikationen
> Tel.: 038333-527
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