Hello all I thought this might have been asked before, but if so, I've failed to find it. How do you determine in PyQGIS whether a layer is an OpenLayers plugin layer? Thanks Tom ----- Buy Pie Spy: Adventures in British pastry 2010-11 on Amazon -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html