[gdal-dev] SPHEROID["unretrievable - using WGS84"...

[Hermann Peifer]

Hi,

testepsg EPSG:3785 gives [1], whereas
gdalwarp -t_srs EPSG:3785 input.tif output.tif results into [2]


This looks like a bug, or not? I am using gdal 1.6.2

Hermann


[1]
Validate Succeeds.
WKT[EPSG:3785] =
PROJCS["Popular Visualisation CRS / Mercator",
     GEOGCS["Popular Visualisation CRS",
         DATUM["Popular_Visualisation_Datum",
             SPHEROID["Popular Visualisation Sphere",6378137,0,
                 AUTHORITY["EPSG","7059"]],
             TOWGS84[0,0,0,0,0,0,0],
             AUTHORITY["EPSG","6055"]],
         PRIMEM["Greenwich",0,
             AUTHORITY["EPSG","8901"]],
         UNIT["degree",0.01745329251994328,
             AUTHORITY["EPSG","9122"]],
         AUTHORITY["EPSG","4055"]],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     PROJECTION["Mercator_1SP"],
     PARAMETER["central_meridian",0],
     PARAMETER["scale_factor",1],
     PARAMETER["false_easting",0],
     PARAMETER["false_northing",0],
     AUTHORITY["EPSG","3785"],
     AXIS["X",EAST],
     AXIS["Y",NORTH]]

[2]
Files: output.tif
Size is 868, 580
Coordinate System is:
PROJCS["Popular Visualisation CRS / Mercator",
     GEOGCS["Popular Visualisation CRS",
         DATUM["unknown",
             SPHEROID["unretrievable - using WGS84",6378137,298.257223563,
                 AUTHORITY["EPSG","0"]],
             AUTHORITY["EPSG","6055"]],
         PRIMEM["Greenwich",0],
         UNIT["degree",0.0174532925199433],
         AUTHORITY["EPSG","4055"]],
     UNIT["metre",1,
         AUTHORITY["EPSG","9001"]],
     AUTHORITY["EPSG","3785"]]
Origin = (-5555588.989365539513528,11996289.038382656872272)
Pixel Size = (15457.180606961637750,-15457.180606961637750)
Metadata:
(snip)