[MapProxy] Map shift between TMS and WMS
Frank Broniewski
brfr at metrico.lu
Thu Aug 9 04:52:12 PDT 2012
Hi Jean-Claude,
thanks for answering. I don't think that there's a problem with the 3857
epsg definition (since I didn't mess with it), but here's the required
output anyways:
PROJCS["WGS 84 / Pseudo-Mercator",
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0,
AUTHORITY["EPSG","8901"]],
UNIT["degree",0.0174532925199433,
AUTHORITY["EPSG","9122"]],
AUTHORITY["EPSG","4326"]],
PROJECTION["Mercator_1SP"],
PARAMETER["central_meridian",0],
PARAMETER["scale_factor",1],
PARAMETER["false_easting",0],
PARAMETER["false_northing",0],
UNIT["metre",1,
AUTHORITY["EPSG","9001"]],
AXIS["X",EAST],
AXIS["Y",NORTH],
EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0
+lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext
+no_defs"],
AUTHORITY["EPSG","3857"]]
Proj is version 4.8.0
Many thanks,
Frank
Am 09.08.2012 13:33, schrieb Jean-Claude Repetto:
> Le 09/08/2012 10:23, Frank Broniewski a écrit :
>> Hi,
>>
>> I have a shift of my map in comparison to TMS between WMS layer.
>> I have a mapnik OpenStreetMap source and a wms relief source. If I use
>> the OpenStreetMap source as a tms and overlay the relief source as wms,
>> there's a vertical shift of the data so that it is not overlaying
>> correctly. If I use the OpenStreetMap source as wms and the relief as
>> wms, both are overlaying correctly. Now I wonder what may be the cause
>> of this behavior? Is this maybe due to the bounding box with which the
>> grid is configured?
>
> Hi,
>
> Are you sure the EPSG:3857 projection is correctly defined on your
> system ? What is the result of the command :
> epsg_tr.py 3857 ?
>
>
> Jean-Claude
>
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--
Frank BRONIEWSKI
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technologies d'information géographique
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