[OpenLayers-Users] OpenLayers.Format.WKT.write()

[Alexandre Dube]

You should create a ticket and attach a sample feature that holds a 
geometry collection as an example.

Best regards,

Alexandre

(1) http://faq.openlayers.org/map/how-do-i-edit-the-wiki-or-a-ticket/
(2) http://trac.openlayers.org/wiki/FilingTickets

taviroquai wrote:
> Hi all,
>
> WKT.write method accepts a single feature OR an array of features which then
> returns as a GEOMETRYCOLLECTION.
>
> There is a case that a single feature may hold a geometry collection class.
>
> Here is my changes for the write method - I know that this is not the best
> way to resolve this case but this is the shortest code insertion - all
> feedback is welcome:
>
> write:function(features){
> 			var collection,geometry,type,data,isCollection,isSubCollection;
> 			if(features.constructor==Array){
> 				collection=features;
> 				isCollection=true;
> 			}
> 			else{
> 				type=features.geometry.CLASS_NAME.split('.')[2].toLowerCase();
> 				if (type == 'collection') {
> 					collection = features.geometry.components;
> 					isCollection=true;
> 					isSubCollection=true;
> 				}
> 				else {
> 					collection=[features];
> 					isCollection=false;
> 				}
> 			}
> 			var pieces=[];
> 			if(isCollection){
> 				pieces.push('GEOMETRYCOLLECTION(');
> 			}
> 			for(var i=0,len=collection.length;i<len;++i){
> 				if(isCollection&&i>0){
> 					pieces.push(',');
> 				}
> 				if (isSubCollection) geometry=collection[i]; else
> geometry=collection[i].geometry;
> 				type=geometry.CLASS_NAME.split('.')[2].toLowerCase();
> 				if(!this.extract[type]){
> 					return null;
> 				}
> 				if(this.internalProjection&&this.externalProjection){
> 					geometry=geometry.clone();
> 					geometry.transform(this.internalProjection,this.externalProjection);
> 				}
> 				data=this.extract[type].apply(this,[geometry]);
> 				pieces.push(type.toUpperCase()+'('+data+')');
> 			}
> 			if(isCollection){
> 				pieces.push(')');
> 			}
> 			return pieces.join('');
> 		}, 
>   


-- 
Alexandre Dubé
Mapgears
www.mapgears.com