[Tiling] Fwd: [OSGeo-Standards] Irregular tile coverage in TMS?

[Mateusz Loskot]

I've forgotten to attach the illustration to the question:

http://www.flickr.com/photos/mloskot/4982635693/

On 12/09/10 13:33, Mateusz Loskot wrote:
> Folks,
> 
> I have posted a little question about TMS spec to the standards,
> but perhaps I could receive some feedback here as well:
> 
> 
> 
> -------- Original Message --------
> Subject: [OSGeo-Standards] Irregular tile coverage in TMS?
> Date: Sat, 11 Sep 2010 19:46:51 +0200
> From: Mateusz Loskot <mateusz at loskot.net>
> To: standards at lists.osgeo.org
> 
> Folks,
> 
> I'm reading the TMS spec which says:
> 
> "a coverage of regularly sized and spaced images that taken together
> form a complete visual representation of the entire area of coverage"
> 
> I understand the size and spacing constraints.
> What I'm missing, however, is what TMS says about "topological"
> regularity of tiles within a coverage.
> 
> I attached basic drawing with two example tile coverages:
> 
> a) blue - regular coverage, rectangular
> 
> b) red - irregular coverage
> 
> Is only blue version kosher for TMS or both versions are valid?
> 
> Best regards,
> 


-- 
Mateusz Loskot, http://mateusz.loskot.net
Charter Member of OSGeo, http://osgeo.org