[MapProxy] min_res, max_res for TMS Requests

[Ami Rahav]

Hi Oliver,

I am trying to merge several ArcGIS tiled services.
Not all layers are seeded to the same zoom level.

One of the layers is actually broken into two different services.
The first service has seven zoom levels, 0-6, and resolution of 
156543.033928 to 2445.98490512499.
The second service has four zoom levels, 0-3, and resolution of 
1222.99245256249 to 152.874056570411.
When I configure the second service it accesses levels 0-3 but at the 
lower resolution, so I can?t use that service to replace the first one.
Another problem with both services, they return black tiles at a 
resolution that isn?t supported. Is there a solution for that? (I did set 
transparency to true).

I also noticed that a WMS layer and a tiled layer can?t be merged. This 
might be useful at higher resolutions. Is this something that can be done?

Thanks,

Ami.







From:
Oliver Tonnhofer <tonnhofer at omniscale.de>
To:
Ami Rahav <arahav at usgs.gov>
Cc:
mapproxy at lists.osgeo.org
Date:
02/11/2011 02:24 AM
Subject:
Re: [MapProxy] min_res, max_res for TMS Requests



Hi,

On 10.02.2011, at 19:33, Ami Rahav wrote:
> Can min_res and max_res settings be set  for TMS sources? 

Not directly. You can set min_res/max_res in your grid definition and pass 
that grid to your tile source or cache. And you can use min_res/max_res 
for your layers, to limit the visibility of that layer in WMS services 
(ScaleHints). So it depends on what you want to do. Care to explain?

Regards,
Oliver




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