[MapProxy] white lines in reprojected image

[Oliver Tonnhofer]

On 25.03.2011, at 12:00, Sandor Csaba wrote:
>> In these cases it is best to check the data that the WMS sends to MapProxy. MapProxy logs the WMS URL if you use the develop.ini.
>> 
>> 
> 
> This is not completely right. I actually checked the underlying wms in
> the original coord-sys and it had no white lines at all. The strange
> was that when I requested the data from mapproxy in the original epsg
> it already had the white artifacts. After seeing this I went back and
> reprojected in mapserv.

Thats odd. Can you check the exact requests MapProxy send to your MapServer? Maybe the artifacts only appear with the srs/res/etc from MapProxy and not from you other WMS client.
Look for lines like:

2011-03-25 06:12:17,420 - INFO - 8432:mapproxy.client.http.http:_log - osm.omniscale.net - - [25/Mar/2011:06:12:17 ] "GET /proxy/service?layers=osm&width=1184&version=1.1.1&bbox=-195678.79241,7318386.83614,2700367.33526,10214432.9638&service=WMS&format=image%2Fpng&styles=&srs=EPSG%3A900913&request=GetMap&height=1184 HTTP/1.1" 200 54071 "-" ""


Regards,
Oliver

-- 
Oliver Tonnhofer    | Omniscale GmbH & Co KG    | http://omniscale.de
http://mapproxy.org | https://bitbucket.org/olt