Apparently the fix for your code is to call setCRS before adding the geometry.
simpleFeatureTypeBuilder.setCRS(re.getCoordinateReferenceSystem());
> simpleFeatureTypeBuilder.add("geometry", Polygon.class);
>
> simpleFeatureTypeBuilder.setName("polygon");
> SimpleFeatureType type = simpleFeatureTypeBuilder.buildFeatureType();
--
Jody Garnett
On Thursday, 31 March 2011 at 11:22 AM, Oleksandr Huziy wrote:
> Hello,
>
> I solved the problem with null crs of the feature adding 1 line
>
> Hints hints = new Hints();
> hints.put(Hints.CRS, re.getCoordinateReferenceSystem());
> geometryFactory = JTSFactoryFinder.getGeometryFactory(hints);
> simpleFeatureTypeBuilder.add("geometry", Polygon.class);
> simpleFeatureTypeBuilder.setCRS(re.getCoordinateReferenceSystem());
> simpleFeatureTypeBuilder.setName("polygon");
> SimpleFeatureType type = simpleFeatureTypeBuilder.buildFeatureType();
>
> type = DataUtilities.createSubType(type, null, DefaultGeographicCRS.WGS84);
>
> then created the feature as earlier. So now the purpose of hints is not clear.
>
>
> --
> Oleksandr Huziy
>
> 2011/3/30 Oleksandr Huziy <[email protected]>
> > Hello again,
> >
> > another method I am trying to use to create a polygon is:
> >
> > Hints hints = new Hints();
> > hints.put(Hints.CRS, DefaultGeographicCRS.WGS84);
> > geometryFactory = JTSFactoryFinder.getGeometryFactory(hints);
> > simpleFeatureTypeBuilder.add("geometry", Polygon.class);
> > simpleFeatureTypeBuilder.setName("polygon");
> > SimpleFeatureType type = simpleFeatureTypeBuilder.buildFeatureType();
> >
> > Coordinate[] coords = new Coordinate[5];
> > double x0, y0, dx, dy;
> > x0 = re.getMinX();
> > y0 = re.getMinY();
> > dx = re.getWidth();
> > dy = re.getHeight();
> >
> > coords[0] = new Coordinate(x0, y0);
> > coords[1] = new Coordinate(x0, y0 + dy);
> > coords[2] = new Coordinate(x0 + dx, y0 + dy);
> > coords[3] = new Coordinate(x0 + dx, y0);
> > coords[4] = coords[0];
> >
> >
> > Polygon polygon =
> > geometryFactory.createPolygon(geometryFactory.createLinearRing(coords),
> > null);
> > SimpleFeature feature = SimpleFeatureBuilder.build( type, new Object[]{
> > polygon }, null);
> >
> >
> > but when I try to access crs of the feature it gives me null (i.e.
> > feature.getFeatureType().getCoordinateReferenceSystem()),
> > and as a consequence I get the following error while trying to draw it:
> >
> > Mar 30, 2011 2:08:16 PM org.geotools.map.MapContext getLayerBounds
> > SEVERE: It was not possible to get a projected bounds estimate
> >
> > But it is drawn ok.
> >
> > And while we are at this, how can I specify bounds of MapContext in
> > coordinates, for example, if I want it to have an extent
> > -180, 180; -90, 90 ?
> >
> > thank you very much
> > --
> > Oleksandr Huziy
> >
> >
> >
> >
> >
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