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

[TDS]

Hello,

tried to serve with serve-develop, compared results and i think the 
tiles are shrinked when linking together. That can happen if the area 
extents doesn't it into the tile size. But why does MapProxy scale them 
even if we have x^2 values? Tried it with PaleoServer and images are fine.
PS: Tried to send images before, but >100KB...

Bye, Mathias
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You have a question? - 42 or RTFM.
Am 20.08.2014 um 16:52 schrieb andrew kovacs:
> I think the tiles are getting rendered correctly on my side as well.  
> I get the same results if I access the WMS coming from MapServer or if 
> I configure the .yaml file to read the .map file.  I tried matching 
> the resolutions in .yaml file to the scales coming from MapServer with 
> a DPI of 96 - no success yet.
>
>
> On Wed, Aug 20, 2014 at 12:16 AM, TDS <tds at tds-net.de 
> <mailto:tds at tds-net.de>> wrote:
>
>     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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>     mailto:tds at tds-net.de
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>     1+1=10
>     You have a question? - 42 or RTFM.
>     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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>
>
>
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