On Tue, Sep 04, 2007 at 03:28:20PM -0400, [EMAIL PROTECTED] wrote:
> Chris --
> 
> I passed the resolutions array to TileCache but I get pink tiles when the 
> layer is turned on outside the boundaries of the resolutions array. The layer 
> does render properly when zoomed in at the supported resolution. My units are 
> decimal degrees, and my TileCache layer looks like so.


I'm sorry: "When the layer is turned on outside the boundaries of the
resolutions aray" -- how? The minScale/maxScale should be causing 
the layer's visibility to be set to false outside of that min/max scale
range -- if it's not, that's a bug, as far as I'm aware. Can you create
a minimal demo? 

-- Chris

> I'm scratching my head on this one...
> 
> [testlayer]
> type=WMSLayer
> url=http://gis.test.com/cgi-bin/dir/test_wms.cgi
> transparent=true
> extension=png
> layers=1
> resolutions=0.00034332275390625,0.000171661376953125,0.0000858306884765625,0.00004291534423828125
> 
> Regards,
> 
> Frank
> 
> 
> -----Original Message-----
> From: Christopher Schmidt <[EMAIL PROTECTED]>
> Sent: Tue, September 4, 2007 12:22 pm
> To: [EMAIL PROTECTED]
> Cc: [email protected]
> Subject: Re: [OpenLayers-Dev] Scale dependencies with TileCache
> 
> On Tue, Sep 04, 2007 at 12:05:28PM -0400, [EMAIL PROTECTED] wrote:
> > Hello --
> > 
> > I was interested in creating a cached layer with scale dependencies using 
> > TileCache. The layer configuration using just OpenLayers works fine and is 
> > shown below. However I want to cache this layer and have tileCache only 
> > request tiles from within the minScale and maxScale parameters. Is this 
> > possible?
> 
> TileCache needs to be handed a list of resolutions. It's not clear to me
> what your units, maxExtent, etc. are. You should set your TileCache
> layer up to have the *resolutions of the base layer* which exist between
> those scales.
> 
> OpenLayers.Util.getResolutionFromScale may be useful.
> 
> Regards,
> -- 
> Christopher Schmidt
> MetaCarta
> 
> 

-- 
Christopher Schmidt
MetaCarta
_______________________________________________
Dev mailing list
[email protected]
http://openlayers.org/mailman/listinfo/dev

Reply via email to