[MapProxy] MapProxy - WMS feed from MapProxy renders tiles with different scale when compared with OSM on MapServer

[TDS]

Hello Matt,

I've been running into same problem. The tiles are rendered correctly. 
It's maybe an issue when accessing the tiles via WMS abstraction. I 
already stripped meta_size and meta_buffer from mapproxy.yaml - no success.

Bye, Mathias
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Am 19.08.2014 um 21:01 schrieb Matt Walker:
>
> Hi Andrew,
>
> I would look to see if DPI is a factor, it's possible that the 
> requests to MapServer include a DPI parameter which my account for the 
> difference.
>
> Matt.
>
> On 19 Aug 2014 18:00, "andrew kovacs" <andrewmrkovacs at gmail.com 
> <mailto:andrewmrkovacs at gmail.com>> wrote:
>
>     Hi,
>
>     I am having some trouble figuring out why my cached images in
>     MapProxy are a different scale than the source images on
>     MapServer.I have an OSM cache generated on MapServer and I can
>     query this service directly from my client.The WMS feed produces
>     clear images which are the correct scale for my map
>     extent.However, when I request the WMS feed through MapProxy, the
>     tiles that are generated (from the same source as the initial
>     request) the scale appears to be off.The images that are generated
>     at the client level are not clear.
>
>     When I use MapProxy/demo on the server the data appears to be
>     correct.It is only when I request the WMS from a client that the
>     scale is incorrect.
>
>     Here is my .yaml file:
>
>     services:
>
>     demo:
>
>     tms:
>
>     wms:
>
>     md:
>
>     title: OSM for MapProxy
>
>     layers:
>
>     - name: mapfile
>
>     title: mapfile test
>
>     sources: [topo_cache]
>
>     caches:
>
>     topo_cache:
>
>     grids: [global_mercator_osm]
>
>     sources: [topo_mapserv]
>
>     meta_buffer: 10
>
>     meta_size: [4, 4]
>
>     format: image/png
>
>     max_shrink_factor: 1
>
>     request_format: image/png
>
>     link_single_color_images: true
>
>     #disable_storage: true
>
>     grids:
>
>     global_mercator_osm:
>
>     base: GLOBAL_GEODETIC
>
>     num_levels: 19
>
>     sources:
>
>     topo_mapserv:
>
>     type: mapserver
>
>     req:
>
>     layers: default
>
>     map: **************************.map
>
>     concurrent_requests: 4
>
>     mapserver:
>
>     binary: /usr/lib/cgi-bin/mapserv
>
>     working_dir: /2T/mapproxy/mapserver
>
>     I have sample images as well but they are too large for the post..
>
>     Any help would be much appreciated.I have playing with
>     resolutions, tile sizes, different grids, image resampling etc..
>     without any success.
>
>     Thanks!
>
>     Andrew
>
>
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>
>
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