Hi, This should helps :
http://trac.openlayers.org/wiki/FrequentlyAskedQuestions#Projections Regards, Alexandre eoinyp wrote: > Hi all, > Could someone please explain how to define the bounds of a map? > > I want to centre my map on Ireland when it initialises, but I am having > trouble with the bounds arguments. > As I understand it, the maxExtent of the globe is (-180,-90,180,90) > A box around Ireland using the same coordinate system is (-13.5, 51.5, -4.5, > 55.5) > So shouldnt I be defining my map as: > maxExtent: new OpenLayers.Bounds(-13.5,51.5,-4.5,55.5 ) > ? > This doesnt work, unsurprisingly. > I found somewhere else the bounds of the world defined as: > maxExtent: new OpenLayers.Bounds(-20037508, -20037508,20037508, 20037508.34) > which works great, but it shows the entire globe, as I said, I want to focus > on Ireland. > What coordinate system is this? and how do I translate the area I want to > map to this coordinate system? > > The variable maxResolution also seems to vary from map to map, I am not sure > what this should be set to. > The documentation doesnt give any idea of the range of appropriate values. > Thanks, > > Eoinyp. > > -- Alexandre Dubé Mapgears www.mapgears.com _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
