@Finger navigation / zooming:

I can corroborate this, my embedded maps will have touch overlays set
correctly on the first load of the page - in which the pinch to zoom
will function correctly. After moving the viewport at all, it will
change the click / touch hotspots to be off center - or rather, they
will not center based on the location of the map relative to the
viewport.

The result is that the map is unusable.

Thank you.

On Nov 25, 9:57 am, Antoine Gilbert <[email protected]>
wrote:
>  We have some customer Web projects targeting theiPAD(running on
> Safari) and among other technologies using Google Maps API.
>
> We ran into a serious problem about image management on Safari. This
> one, in some situation, is not clearing images from memory causing a
> memory leak that can be reach very quickly with some Web pages. Safari
> oniPADseem to allow 10MB of memory for images, meaning you can only
> have 10MB (or so?) of images loaded at a time in a Web page. But the
> problem with this is when your Web page is displaying new images over
> and over during the life of the page, depending on how the new images
> are coming to the page, Safari seems to not reallocate memory of the
> old unused images. In that case, when the limit is reached, no more
> images processing occurs, causing Web applications not working
> properly.
>
> There is some discussions about this specific problem there 
> :http://discussions.apple.com/thread.jspa?threadID=2460899&start=15&ts...
>
> This problem seems to occurs (well there is a problem and we think
> it’s related) with Google Maps API (and maps.google.com) oniPAD
> Safari. For example, when you go on maps.google.com with aniPAD, if
> you navigate relatively quickly 30-50 times with many zoom level
> changes, the map navigation will stop working properly (see old tiles
> of previous view, empty tiles, etc.).
>
> There are some workaround to this but basically, it seems to be a
> browser flaw and it should be solved on the browser itself.
>
> In our particular cases, the problem occurs in our own web stuff and
> with Google Maps API. We can implements some workarounds on our side
> but of course it’s useless if Google Maps still have the problem.
>
> What we would like to know is if Google Maps techies are aware of the
> problem and how they plan to manage this (do some workaround, put
> pressure on Apple/Safari, etc.).
>
> We have another related issue with Google Maps oniPADSafari. While
> new API versions are coming (and on maps.google.com too), the
> smoothness of finger navigation oniPADseems to vary a lot. For some
> version it seem to be good, then next version is worse, next version
> better, next is worse, etc. For example the last version on
> maps.google.com is very slow and laggy about this. What you guys think
> about that?
>
> Antoine Gilbert
> Korem inc.

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