[OpenLayers-Users] maxExtent

[Erik Uzureau]

This is something we have been meaning to re-evaluate for a while.
http://trac.openlayers.org/ticket/340

On 12/14/06, Trond Michelsen <trondmm-openlayers at crusaders.no> wrote:
> On Thu, Dec 14, 2006 at 04:43:42PM +1100, Glen Stampoultzis wrote:
> > I'm using the maxExtent option when creating a map that has an Untiled
> > layer.  At lower zoom levels it seems to respect this setting but at higher
> > levels the user is able to pan out of this extent.  Am I miss understanding
> > this setting or is this a bug?
>
> It's sort of a feature. As far as I understand, this has been
> implemented so that the center of the viewport will never be outside
> maxExtent. That means that you'll be able to see one half viewport
> outside the maxExtent in all directions. So, when you zoom out, the
> half viewport will cover a bigger and bigger area.
>
> I'm not totally convinced that this is the best way to do it. I think
> I'd prefer if openlayers tried it's best to not let the viewport go
> outside maxExtent at all - except when you've zoomed so far out that
> the entire extent fits within the viewport.
>
> --
> Trond Michelsen
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