Hello everybody,
I have several vector layers that have similar data structures (in fact
they are WFS layers using the same application schemas). I would like to
merge these layers into one layer. I want to do this because I want to
use a GeoExt.data.FeatureStore to be able to display a table with
feature data that are coupled with the features in the map. So I think I
want to use only the merged layer in my map.
I am looking for help on the best way to merge my vector layers. Looking
at the OpenLayers documentation, I see that I could use the addFeatures
function to add features to the merged layer. But when could I call this
function if I never draw the layers that will be merged? On the other
hand, I see there is a OpenLayers.Layer.Vector.RootContainer. It is
something that can be used to combine vector layers but it is "not
supposed to be instantiated from user space".
Any help, tips, examples or hints will be greatly appreciated!
Greetings,
Frans
<http://dev.openlayers.org/releases/OpenLayers-2.10/doc/apidocs/files/OpenLayers/Layer/Vector/RootContainer-js.html#OpenLayers.Layer.Vector.RootContainer.OpenLayers.Layer.Vector.RootContainer>
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