[OpenLayers-Dev] googleLayer disappears, not shown again until mousemove stop

Erik Uzureau erik.uzureau at metacarta.com
Mon Jul 9 11:53:14 EDT 2007


I agree with cr5 that there is probably nothing we can do about
this...however it *might* be fixable.

I've opened
http://trac.openlayers.org/ticket/816

For anyone who wants to take a stab at it...
e

On 2/16/07, Christopher Schmidt <crschmidt at metacarta.com> wrote:
> On Fri, Feb 16, 2007 at 11:15:05AM +0100, Jonas Beck wrote:
> > hello,
> >
> > i am quite new to this list. experimenting around with OpenLayers (damn
> > that's fun), i ran into a problem using a googleLayer.
> > the whole googleLayer disappears all tiles at once, nevermind which kind
> > of googleLayer (satellite/map/hybrid) i use. it seems to disappear
> > around the moment when some new tiles should be loaded. anybody ran into
> > that one too? i feel this is quite inconvenient, it just ruins the fun
> > when browsing with a googleLayer in my map. im not into google, but it
> > would make my work a lot easier , and better looking =).
>
> I've seen this behavior many times. However, I am firmly of the belief
> that this misbehavior is outside the realm of OpenLayers: the Google
> Layer simply calls 'setCenter' many many times, most likely in a way
> that is not designed to be supported by Google.
>
> OpenLayers has an internal 'moveTo' operation on layers that is called
> differently when dragging. I expect that Google has a similar function
> -- which explains why you don't see the problem on Google Maps
> applications -- but without the code being available it's not possible
> to check it out.
>
> At some point, I may try to form a small example that doesn't involve
> OpenLayers which reproduces this, so I can take it to Google/Google
> mailing lists, but it is my expectation at the moment that this problem
> is not something that OpenLayers has control over.
>
> Regards,
> --
> Christopher Schmidt
> MetaCarta
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