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When searching for NTM-11 as coordsys I can not find the correct one. The one used in for instance Geoserver is mentioned here: http://epsg.io/5111

How do I translate these parameters to the right ones to include in the LocalCoordSysDefs.fme ?

This seems to "almost work": - but it struggles with the ELLIPSOID

COORDINATE_SYSTEM_DEF EPSG:5111 \
        GROUP EUROPE                            \        
      DESC_NM "ETRS89/_NTM_zone_11_EPSG:5111"                    \        
       SOURCE "http://epsg.io/5111"  \        
      DT_NAME ETRS89/01                          \     
         PROJ TM                                \        
         UNIT METER                             \        
        PARM1 11.5                                \        
      SCL_RED 1                           \        
      ORG_LAT 58                                 \        
  QUAD 1 \
   MAP_SCL 1 \
        X_OFF 100000                            \        
        Y_OFF 1000000    \
        ELLIPSOID GRS1980


ELLIPSOID_DEF GRS1980                \
     DESC_NM "Geodetic Reference System of 1980"  \
     SOURCE "Stem, L.E., Jan 1989, State Plane Coordinate System of 1983"    \
     E_RAD 6378137                        \
     P_RAD 6356752.3141403478


Hi @sigtill. One of our developers took a look at your question, and made two points to note:
  • "DT_NAME ETRS89/01" implies "ELLIPSOID GRS1980". You cannot have both in the definition.
  • There is no need to redefine GRS1980

Otherwise the definition looks alright. If you require further assistance, please request from @DeanAtSafe and he'll take a look. Thanks!


I would also recommend Safe's own service for these kind of cases:

https://demos-safe-software.fmecloud.com/fmedatastreaming/Coordsys/Start.fmw

best

pH


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