[Tilecache] That old tile index problem again

[Joanne Cook]

Thanks for getting back to me.

Would it be possible to edit the documentation so it's clear you can't use tilecache with Virtual Earth? I knew about google and that was why I switched to VE in the first place...

What commercial base layers are OK with tilecache (or more precisely, which are not)?

Jo

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Joanne Cook
Information Systems Coordinator
Oxford Archaeology (North)
01524 541000
http://thehumanjourney.net

----- Original Message -----
From: "Christopher Schmidt" <crschmidt at metacarta.com>
To: "Joanne Cook" <j.cook at oxfordarch.co.uk>
Cc: tilecache at openlayers.org
Sent: 20 July 2007 13:02:11 o'clock (GMT) Europe/London
Subject: Re: [Tilecache] That old tile index problem again

On Fri, Jul 20, 2007 at 12:05:40PM +0100, Joanne Cook wrote:
> Hi All,
> 
> I'm sorry to have to ask this question, as you must all be sick of it, but I am having the "couldn't calculate tile index" problem. Until I decided I needed to use tilecache to speed things up, I didn't put anything about extents or resolutions in my openlayers map, and everything worked fine, but of course now I need to include these things and it's showing up my ignorance somewhat!

> This is the address of the openlayers map that doesn't work at all:
> http://mapdata.thehumanjourney.net/index_tc.html

You can not, with the current version of TC or OL code, lay TileCache data on
top of VirtualEarth data. 

http://dev.tilecache.org/wiki/FrequentlyAskedQuestions
"Using TileCache with Google Maps BaseLayers in OpenLayers? 

It is not currently possible to use Google Maps as a base layer and use
TileCache for Overlays in OpenLayers. This functionality is being
considered for a future release. "

(Google and VE are essentially the same as far as OL is concerned.)

Regards,
-- 
Christopher Schmidt
MetaCarta


 


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