[Gvsig_usuarios] (sin asunto)

[bocher]

Hola,

I tried to integrate OpenJUMP -Viatoris- geoprocessing menu in gvSIG. First I have create small examples functionalities :
- list layers
- list fields layer
- add shape layer...

Now, I'd like to work with geometry. Based on example send by Francisco José Peñarrubia I used JTS library for spatial processing but I don't know how to transform my geometries in a Flayer in gvSIG.
To compare in OpenJUMP. My geometry is stored in a feature storing in a featurecollection.

If I want to convert a polygon layer to a linearRing layer I use this method :

FeatureCollection fc = layer.getFeatureCollectionWrapper(); //layer is the layer selected in OJ
FeatureSchema fs = fc.getFeatureSchema(); // Pienso que es el modelo en Fmap ?
FeatureCollection resultfc = new FeatureDataset(fc.getFeatureSchema()); //The new featureCollection

Feature feat; 

for (Iterator it = fc.iterator(); it.hasNext();){
	feat = (Feature)it.next(); //feat of layer selected in OJ
	Geometry geom = feat.getGeometry(); //geometry of feat
			
	for (int i = 0; i < feat.getGeometry().getNumGeometries(); i++) { //If they are more than two object in feat
		Feature newFeat = new BasicFeature(fs);//The new feature
		FeatureUtil.copyAttributes(feat, newFeat);//Mapping attributes
		newFeat.setGeometry(geom.getBoundary());//New geometry creation
		resultfc.add(newFeat);// add new feature in the new featureCollection
		
	}
	}	
context.getLayerManager().addLayer("Convert",layer.getName() +"_LinearRing" , resultfc);
// Add the new featureCollection as a layer in OpenJUMP. The name of the new layer = source layer name + _LinearRing
		

So my questions is:

Is it possible to present a method to realise identic work with FMap ?


Moreover I'm interested to use GDBMS to create a spatial SQL language as existing in PostGIS but using layers load in gvSIG. However gvSIG works with GDBMS-0.8-SNAPSHOT. Is it planned to integrate the last  GDBMS (GDBMS 1.0) ?

In attached file you can find my gvSIG examples.
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