[OpenLayers-Users] WMS request done twice - transitionEffect - OL implementation

[Andreas Hocevar]

Hi,

it is a bug and http://trac.osgeo.org/openlayers/ticket/3419 will fix it.

Andreas.

On Aug 6, 2011, at 20:15 , paweluz wrote:

> Hi 
> 
> I am using OL 2.10 and I noticed something strange... When I am doing
> zooming or panning on map request is done twice for images that are tiled. I
> know that responsible for that is parameter transitionEffect  that I have
> set to resize. When I change it to null requests are ok - done just once.
> But on map it does not look good... I really like this transition effect for
> resize value. 
> My question is: 
> Is OL implementation fine - I am just wandering since OL map already has
> those images that needs to be resize (old tile for transition effect), and
> only one request needs to be done for new tiles.... why OL makes those
> requests twice. It is really hard for me to understand... Can anyone please
> explain it to me? Or maybe this is a bug, and is near future it will be
> fixed? 
> 
> 
> Regards, 
> Pawel
> 
> --
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.