[OpenLayers-Users] Lots of spurious tiles get loaded when changing base layer

[Jon Blower]

Bug filed (http://trac.openlayers.org/ticket/1574).

Cheers, Jon

On Thu, May 29, 2008 at 5:53 AM, Eric Lemoine <eric.c2c at gmail.com> wrote:
> On Wed, May 28, 2008 at 10:54 PM, Jon Blower <jdb at mail.nerc-essc.ac.uk> wrote:
>>> Those extents are in degrees, not projected units.
>> That's right.  The extent of -180,60,180,90 is just an approximation
>> (and not a very good one) in lat-lon. The extent in the units of the
>> projection (metres, notionally) is -10700000, -10700000, 14700000,
>> 14700000.  So I think I'm doing the right thing.
>>
>> Regarding the spurious tiles it seems to be that a load of new tiles
>> get loaded before the maximum extent of the layer can be changed.
>> Presumably the bounding boxes of the tiles need to be recalculated as
>> soon as the projection changes and before any new tiles are loaded.
>
> I think this is an OL bug and therefore deserves a ticket. Jon, would
> you mind filing one out? Thanks,
>
> --
> Eric
>



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