[OpenLayers-Users] Multipolygon to Polygons

[Slawomir Messner]

Don't know, why the error occurs. But I simplified the resulting features. I think you want only polys not multipolys in the new features.
I also added a clone(), if there is a problem that you reuse the geometry objects from the removed features.
I'm not sure if it helps against the error. It seems to be something with the format.

			for(f in MPolyFeature) {
				for(i in MPolyFeature[f].geometry.components) {
					var feature = new OpenLayers.Feature.Vector(MPolyFeature[f].geometry.components[i].clone());
					feature.attributes.typ = MPolyFeature[f].attributes.typ;
					feature.attributes.tst = MPolyFeature[f].attributes.tst;
					feature.state = OpenLayers.State.INSERT;
					features.push(feature);
				}				
			}
			
			wfs_polygon.addFeatures(features);
			wfs_mpolygon.removeFeatures(MPolyFeature);
			wfs_polygon.redraw();



Am 21.09.2012 11:01, schrieb vGIS:
> Looks like the for-loop wasn't okay, I changed it to:
>
> 			for(f in MPolyFeature) {
> 				for(i in MPolyFeature[f].geometry.components) {
> 					var feature = new OpenLayers.Feature.Vector(new
> OpenLayers.Geometry.Polygon(MPolyFeature[f].geometry.components[i])
> 					feature.attributes.typ = MPolyFeature[f].attributes.typ;
> 					feature.attributes.tst = MPolyFeature[f].attributes.tst;
> 					feature.state = OpenLayers.State.INSERT;
> 					features.push(feature);
> 				}				
> 			}
> 			
> 			wfs_polygon.addFeatures(features);
> 			wfs_mpolygon.removeFeatures(MPolyFeature);
> 			wfs_polygon.redraw();
> 		}
>
> But, that causes an Error: "TypeError: a is undefined ...function(a){var
> b=this.createElementNSPlus("gml:interior");this.writeNode("Linea... in
> OpenLayers.js Line 383"
>
>
>
> --
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-- 
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Slawomir Messner
Forschungszentrum "Deutscher Sprachatlas"
06421-28-24981