[MapProxy] Strange WMS lookalike

A.Pirard.Papou A.Pirard.Papou at gmail.com
Fri Mar 8 17:19:57 PST 2013

On 2013-03-08 18:52, Travis Kirstine wrote :
> I was able to get the standard GetMap request to return a image
> http://geoservices.wallonie.be/arcgis/services/TOPOGRAPHIE/PICC/MapServer/WMSServer?request=GetMap&service=WMS&version=1.1.1&srs=EPSG:31370&bbox=170139,111320,170518,111537&width=256&height=256&styles=&layers=1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26&format=image/png
Wow, it simply works !!!
I just couldn't imagine that Mapproxy could work without a Capability 
file !!!
No error message and I conclude it doesn't use it.
> You can modify the image request size using the meta_size / meta_buffer
> http://mapproxy.org/docs/1.5.0/labeling.html?highlight=meta
> I'm not sure if you can change the default size from 256

No need for that any longer.
But I still have questions about definition, though.
I'll do that in another message.

Thanks again,


> On 8 March 2013 11:08, A.Pirard.Papou <A.Pirard.Papou at gmail.com 
> <mailto:A.Pirard.Papou at gmail.com>> wrote:
>     On 2013-03-08 15:42, Travis Kirstine wrote :
>>     Current MapProxy does not support direct connection to the ArcGIS
>>     REST API using the export map call. Fortunately ArcGIS server is
>>     able to publish WMS services as well and you should be able to
>>     use the standard WMS connection.  If you are not familiar with
>>     ArcGIS server you can view the "catalog" of service published and
>>     determine if WMS is support (not by default)
>>     Check out the catalog
>>     http://geoservices.wallonie.be/arcgis/rest/services
>>     Navigate to the MapService you want to connect to:
>>     http://geoservices.wallonie.be/arcgis/rest/services/TOPOGRAPHIE/PICC/MapServer
>>     At the bottom you should see supported interfaces, if WMS is
>>     listed click on it to return the GetCabilities.  You can then
>>     build your connection in MapProxy using these parameters
>     Thanks for a very neat answer, Travis.
>     Yes they do support WMS at the page bottom, but in much their own
>     way, that's not a long way further ;-)
>     <ServiceException code="InvalidData">  Cannot read capabilities
>     file.   </ServiceException>
>     On a nearby server, the file is found but it says  the server
>     supports 4326 whereas only 31370 is.
>     On the other hand, it's unfortunate that Mapproxy does not
>     implement an {insert} feature à la JOSM.
>     I hacked the URL and appended everything but size that Mapproxy
>     does not output to get that server responding.
>     The &bbox worked, but the request returned a default 400×400 size
>     tile that was displayed by the client !!!
>     The only thing I need is &size={width},{height} !!!
>     Yet another best value for money suggestion from me, but I get no
>     reply.
>     Why make "just a little bit" different request formats?  Like the
>     just a little bit pregnant girl :-)
>     Maybe could I build a cache by limiting the WMS requests to
>     256×256 and adding &size=256,256 ?
>     Inventively yours,
>     Cheers,
>     Cheers,
>     André.
>>     On 8 March 2013 06:24, A.Pirard.Papou <A.Pirard.Papou at gmail.com
>>     <mailto:A.Pirard.Papou at gmail.com>> wrote:
>>         Hi,
>>         I'm using Mapproxy 1.4.0 and I'm facing a strange (to me) server.
>>         The UI is an "ArcGIS Server REST API" at
>>         geoportail.wallonie.be/walonmap
>>         <http://geoportail.wallonie.be/walonmap>
>>         and it makes  WMS-like but not-WMS requests like this:
>>         http://geoservices.wallonie.be/arcgis/rest/services/TOPOGRAPHIE/PICC/MapServer/export?dpi=96&transparent=true&format=png8&bbox=237697.72401485278%2C135612.54079507195%2C240495.69836080144%2C137632.63858526756&bboxSR=31370&imageSR=31370&size=705%2C509&_ts=1362703550248&f=image
>>         With a plain WMS source config, Mapproxy sends a plain WMS
>>         GetMap request and is answered with a HTML page.
>>         What is the Mapproxy configuration to access it?
>>         Preferably with cache and layer configs to be sure.
>>         What standard is this and where is it documented?
>>         Thanks!
>>         Cheers,
>>         André.

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