Hi Jiri, Yes, the snapshots are in a different repo to the formal releases. See here for details: http://docs.geotools.org/latest/userguide/faq.html#q-what-is-a-snapshot-version-and-how-do-i-use-it
Enjoy :) Michael On 27 July 2011 15:36, Jiří Novák <[email protected]> wrote: > Thank you very much Michael, that's exactly what I needed, now can I > continue coding :-)! > > Just a last question, what is the correct version to obtain daily snapshots > you mentioned? > I was trying: > <org.geotools.version>8-SNAPSHOT</org.geotools.version> > and: > <org.geotools.version>8.0-SNAPSHOT</org.geotools.version> > > ...but none of them worked for me. > > Do I have just wrong specified version or do I need different repository? > <repository> > <id>OSGEO GeoTools repo</id> > <url>http://download.osgeo.org/webdav/geotools</url> > </repository> > > > Regards, > Jiri > > On 07/27/2011 02:16 AM, Michael Bedward wrote: >> >> Hi Jiri, >> >> You are using the most recent milestone release rather than the >> snapshot (daily) version. That explains the spurious logging messages >> which were fixed more recently. The vectorizing code hasn't changed >> since the milestone release so you're not missing anything there. >> >> You won't need to union polygons, dissolve boundaries etc with the >> polygons returned by RasterToVectorProcess. Since they are derived >> from raster regions there will be no covering intersections or >> adjacent polys with the same value. >> >> To gather the individual polygons from the feature collection and >> create a MultiPolygon... >> >> SimpleFeatureIterator featureIter = fc.features(); >> List<Polygon> polyList = new ArrayList<Polygon>(); >> try { >> while (featureIter.hasNext()) { >> polyList.add((Polygon) >> featureIter.next().getDefaultGeometry()); >> } >> } finally { >> featureIter.close(); >> } >> >> GeometryFactory gf = new GeometryFactory(); >> MultiPolygon mp = gf.createMultiPolygon(polyList.toArray(new >> Polygon[0])); >> >> If your input image has a value that you want to treat as outside / >> nodata, you can specify this using the outsideValues arg of the >> RasterToVectorProcess.process method to avoid creating polygons for >> nodata regions. Alternatively you can just vectorize everything and >> test the value of the "gridvalue" attribute in the feature collection. >> For example... >> >> while (featureIter.hasNext()) { >> SimpleFeature feature = featureIter.next(); >> // skip polygons for outside value 0 >> if (((Number) >> feature.getAttribute("gridvalue")).intValue() == 0) { >> polyList.add((Polygon) feature.getDefaultGeometry()); >> } >> } >> >> You could also something similar if you have a number of different >> grid values and want to create a separate MultiPolygon for each. >> >> Michael >> >> On 27 July 2011 12:25, Jiří Novák<[email protected]> wrote: >>> >>> Hi Michael, >>> >>> thanks for leading me :) >>> >>> Also answering inlines... >>> >>> On 07/26/2011 11:19 PM, Michael Bedward wrote: >>>> >>>> Hi Jiri, >>>> >>>> Please see my comments inline: >>>> >>>>> This is my code: >>>>> >>>>> FeatureCollection<SimpleFeatureType,SimpleFeature> collection >>>>> = >>>>> RasterToVectorProcess.process(cov, band, bounds, >>>>> outsideValues, >>>>> insideEdges, null); >>>>> >>>>> FeatureIterator<SimpleFeature> iterator = >>>>> collection.features(); >>>>> try { >>>>> while( iterator.hasNext() ){ >>>>> SimpleFeature feature = iterator.next(); >>>>> >>>>> System.out.println(feature.getDefaultGeometry().getClass()); >>>>> } >>>>> } >>>>> finally { >>>>> iterator.close(); >>>>> } >>>>> >>>>> GeometryFactory gf = new GeometryFactory(); >>>>> MultiPolygon mp = gf.createMultiPolygon( collection.toArray(new >>>>> Polygon[0]) ); >>>> >>>> Ah... I've given you a bum steer sorry. I hadn't ready your previous >>>> email and was thinking you were using the JAITools operator with >>>> Collection<Polygon> output. Sorry about that. >>>> >>>> The RasterToVectorProcess is giving you a SimpleFeatureCollection >>>> where the Geometry type is Polygon. Do you want to convert each of >>>> these to individual MultiPolygons or combine all of them into a single >>>> MultiPolygon ? I just want to check so that I don't send you off in >>>> the wrong direction again :) >>>> >>> I need to obtain just one MultiPolygon as the combination >>> (dissolve/merge) >>> of those in SimpleFeatureCollection. >>>>> >>>>> 1) many info logs about EPSG initialization - is there a way to get rid >>>>> of >>>>> it? E.g. set the geotools log level to warning? >>>> >>>> Those log messages were recently changed to Level.FINE on trunk >>>> (8.0-SNAPSHOT). Are you using the most recent binaries ? >>>> >>> I hope so, I am using this maven configuration: >>> ... >>> <!-- === Versions of used frameworks and libraries === --> >>> <properties> >>> ... >>> <org.geotools.version>8.0-M1</org.geotools.version> >>> ... >>> </properties> >>> >>> <repositories> >>> <repository> >>> <id>OSGEO GeoTools repo</id> >>> <url>http://download.osgeo.org/webdav/geotools</url> >>> </repository> >>> ... >>> </repositories> >>> >>> Is the right repository for the latest artifacts? >>> >>> Jiri >>>>> >>>>> 3) And then it falls at line: "MultiPolygon mp = gf.createMultiPolygon( >>>>> collection.toArray(new Polygon[0]) );" raising exception of incorrect >>>>> storing (allthought the types seems to correspond). >>>> >>>> That's because I told you to do the wrong thing. >>>> >>>> Michael >>> > > ------------------------------------------------------------------------------ Got Input? Slashdot Needs You. Take our quick survey online. 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