*
* @return <code>true</code> if a zoom operation has been performed
*/
public boolean zoomToDataSetBoundingBox(DataSet ds) {
// In case we already have an existing data layer ...
OsmDataLayer layer= getEditLayer();
if (layer == null)
return false;
Collection<DataSource> dataSources = ds.dataSources;
// ... with bounding box[es] of data loaded from OSM or a file...
BoundingXYVisitor bbox = new BoundingXYVisitor();