[OpenLayers-Users] Problems with svn head

[Stephen Woodbridge]

Christopher,

Great job! Updated svn and made the change you suggested and it works 
great. Thanks. I also think this fixed the memory leak I was seeing. 
Memory still grows with navigation but if I kill the browser window and 
wait for a little bit the memory will drop back down to a reasonable level.

I have a new problem :( to report. While I am navigating about zooming, 
panning, etc. I get random pink tiles. I have been able to determine 
that these are caused by what appears to be a truncated image. If I use 
FF Tools -> Page Info -> Media and scroll through the images, some of 
the tiles have not loaded fully. I can copy the url to another window 
and do a Shift-Reload on the tile and new good copy is put in the cache. 
Then zoom out - Zoom in will reload the tiles and it will look good. 
This is easy to reproduce.

BTW, we are not using tile.php, we have pre-cached all the tiles and use 
an apache mod-perl handler to rewrite the url into pass the file back 
directly.

This problem seems to happen more often if I do lots of quick zooms and 
pans where I don't wait for all the tiles to load before the next pan/zoom.

-Steve

Christopher Schmidt wrote:
> On Thu, Apr 19, 2007 at 02:52:32PM -0400, Christopher Schmidt wrote:
>>>> 2) map attached to cursor and requires an additional click to drop - 
>>>> this is VERY annoying. 
>> This is the result of the ka-Map layer being broken. (I don't suppose
>> "Use TileCache instead" will get me very far as an argument :))
> 
> Specifically, this was as a result of:
>  * Using Overview Map
>  * With ka-Map base layer.
> 
> The problem was that the ka-Map clone() function was not subclassing
> properly, so it was returning a grid layer.
> 
> However, this won't fix your problem totally: your overview map won't
> work, because the overview map defaults to 'maxResolution':'auto' (which
> won't work with your pre-cached ka-map tiles). 
> 
> To change that, you'll need to set the scales option on your layer, instead
> of your map:
> var base = new OpenLayers.Layer.KaMap(
>     "Base Tiles",
>     "http://st1.slippymap.com/tiles?",
>     { map: "smap-01",
>       i: "PNG8",
>       g: "__base__"
>     }, 
>     {scales: [ 6000, 10000, 15000,
>         25000, 50000, 100000, 150000, 500000, 1000000,
>         4000000, 10000000, 20000000, 50000000
>     ]}
>     );
> 
> Then, when the layer is cloned, it will have hte scales, and the
> maxResolution: 'auto' n the overviewMap won't affect it.
> 
> Thanks for the report!
> 
> Regards,