[udig-devel] making temp Layer from FeatureCollection

[Jesse Eichar]

I'd suggest using

IGeoResource resource = CatalogPlugin.getDefault().getLocalCatalog 
().createTemporaryResource( featureType );
resource.resolve( FeatureStore.class, progressMonitor ).addFeatures 
(collection);

ApplicationGIS.addLayersToMap( map, Collections.singletonList 
(resource), addPosition );



Jesse

On 10-Nov-06, at 6:33 AM, Jan Jezek wrote:

> Hi all,
>
> I'm working on 'transformation' plugin (for RC5) and I've run in  
> some problems during creating the Layer from temporary resource.  
> I'm having the FeatureCollection (result from transformation) and I  
> would like to make a temporary layer from that. I was searching a  
> lot about this in mail list, but still can't understand how I  
> should do it in right way.
> When I do it this way it works:
>
>
> map.getLayersInternal().add(newLayer);
>  newLayer.getGeoResource().resolve 
> (FeatureStore.class,null).addFeatures(collection);
>
> but when the Feature collection is big (and ussualy it is)  and  
> uDig starts rendering right after each feature is added, it is very  
> very slow, so I tryed to add  new features first and then to add  
> the layer into the map, but then I get java.lang.NullPointerException
>
> newLayer.getGeoResource().resolve 
> (FeatureStore.class,null).addFeatures(collection);
> map.getLayersInternal().add(newLayer);
>
> Thanks for any help.
> Jan.
>
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> http://udig.refractions.net
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