[MapProxy] QGIS, ArcGIS cannot consume Mapproxy in native projection

Mark Volz MarkVolz at co.lyon.mn.us
Thu Dec 1 10:24:03 EST 2011


I was able to get mapproxy to serve images in county coordinates to an openlayers client.  When I tried to open up the mapproxy layer in ArcGIS and QGIS, the wms layer would not load until I changed the client side projection from county coordinates to a different coordinate system.

Here is what I noticed:

*       I am using  proj_data_dir: 'C:/ms4w/proj/nad/' to reference the same espg code that mapserver uses.  I am also using the same bounding box and espg code that Mapserver uses.  The WMS via mapserver works fine in ArcGIS.
*       ArcGIS reports a bounding box of -92, 44, -90, 46.  The bounding box should be closer to -96, 44, -95, 45.  If I switch the units from ft to m in my espg code, then Mapserver has then same incorrect bounding box as Mapproxy.
*       Openlayers displays the WMS service in native coordinates.
*       If I switch the coordinate system of the map in ArcGIS to any other projection, then ArcMap displays the Mapproxy WMS Service in the proper location.

I think the issue has something to do with a unit issue between feet and meters.  I don't know why this would be an issue as I am using the same espg information that mapserver uses.  If anyone has any thoughts let me know.


Mark Volz
GIS Specialist
Lyon County, MN

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/mapproxy/attachments/20111201/de0cd4f9/attachment.html

More information about the MapProxy mailing list