[MapServer-users] XYZ file based layer shifted 180° East

Stefan Gofferje lists at home.gofferje.net
Sun Jul 28 02:21:21 PDT 2024


Hi again,

this time I'm trying to serve a raster layer based on an XYZ file which 
I create from the NOAA aurora forecast data. The XYZ file loads and 
displays correctly in QGIS, however, mapserver serves the layer shifted 
180° East. I'm a little bit confused by that because I think I 
configured everything right...

Here's the layer from my mapserver:
https://mapserver.gofferje.net/?map=wms&service=WMS&version=1.3.0&request=GetMap&width=500&height=300&styles=&layers=aurora_forecast&format=image/png&crs=EPSG:4326&bbox=-90.000000,-180.000000,90.000000,180.000000

Example XYZ file:
https://cloud.gofferje.net/s/erjitMT3tMnDAp9


Config:

wms.map
-------
MAP
   NAME "WMS_server"
   SIZE 400 300
   EXTENT -180 -90 180 90
   IMAGECOLOR 255 255 255


   #
   # Start of web interface definition
   #
   WEB
     METADATA
       "wms_title"           "WMS Test server"
       "wms_onlineresource"  "https://mapserver.gofferje.net/?map=wms"
       "wms_srs"             "EPSG:4326 EPSG:3067 EPSG:3857"
       "wms_getmap_formatlist" "PNG,PNG8,JPEG"
       "wms_enable_request"  "* !GetLegendGraphic"
     END
   END

   PROJECTION
     "init=epsg:4326"
   END

   INCLUDE "layers/Auroras.lay"

END #mapfile


layers/Auroras.lay
------------------
   LAYER
     NAME "aurora_forecast"
     METADATA
       "wms_title"         "Aurora forecast"
       "wms_srs"           "EPSG:4326 EPSG:3067 EPSG:3857"
     END
     TYPE RASTER
     EXTENT -180 -90 180 90
     STATUS ON
     DATA "/maps/wfs/aurora/aurora.xyz"
     PROJECTION
       "init=epsg:4326"
     END
   END #layer





-- 
  (o_   Stefan Gofferje            | SCLT, MCP, CCSA
  //\   Reg'd Linux User #247167   | VCP #2263
  V_/_  https://www.gofferje.net   | https://www.saakeskus.fi




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