[mapserver-users] Projection help

[Ian Walberg]

Steve,

Actually that does work.

Thanks

Ian

From: Ian Walberg
Sent: Wednesday, July 31, 2019 7:00 PM
To: 'Lime, Steve D (MNIT)' <steve.lime at state.mn.us>; mapserver-users at lists.osgeo.org
Subject: RE: Projection help

Steve,

Good point, I did have the extent in meters but that did not work.

Should these work?
EXTENT -20026376 -20048966 20026376 20048966

Thanks

Ian

From: Lime, Steve D (MNIT) <steve.lime at state.mn.us<mailto:steve.lime at state.mn.us>>
Sent: Wednesday, July 31, 2019 6:38 PM
To: Ian Walberg <ian.walberg at airborne.aero<mailto:ian.walberg at airborne.aero>>; mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>
Subject: Re: Projection help

How are you setting an extent? The default extent you're defining is in lat/lon.
________________________________
From: Ian Walberg <ian.walberg at airborne.aero<mailto:ian.walberg at airborne.aero>>
Sent: Wednesday, July 31, 2019 5:34:05 PM
To: Lime, Steve D (MNIT) <steve.lime at state.mn.us<mailto:steve.lime at state.mn.us>>; mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org> <mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>>
Subject: RE: Projection help


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Steve,



The map file below draws a non Mercator projection and if the epsg:4326 line is uncommented then the map is blank.



This is on a windows machine using Mapserver 7.0.7 from MS4W 3.2.6.



Any ideas?



Thanks



Ian





MAP

NAME global_map

STATUS ON

SIZE 1024 600

EXTENT -180 -90 180 90

 LAYER

   NAME "Earth_Vector"

   STATUS DEFAULT

   TYPE LINE

   DEBUG 3



   PROJECTION

#    "init=epsg:4326"

   END



   DATA "../shp/land/ne_110m_land.shp"



   CLASS

     STYLE

       ANTIALIAS TRUE

       COLOR 0 255 0

       WIDTH 1

     END

   END



END



  PROJECTION

    "init=epsg:3857"

  END



END #MAP END



From: Lime, Steve D (MNIT) <steve.lime at state.mn.us<mailto:steve.lime at state.mn.us>>
Sent: Wednesday, July 31, 2019 3:22 PM
To: Ian Walberg <ian.walberg at airborne.aero<mailto:ian.walberg at airborne.aero>>; mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>
Subject: RE: Projection help



Should be straight forward. In the natural earth layers you'd have:



PROJECTION

    "init=epsg:4326" # geographic

END



and at the MAP level you'd have:



  PROJECTION

    "init=epsg:3857" # web mercator

  END



--Steve



From: mapserver-users [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Ian Walberg
Sent: Wednesday, July 31, 2019 4:56 PM
To: mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>
Subject: [mapserver-users] Projection help





Hello,



We have used different projections previously but cannot get them to work at the moment.



All the examples we can find online look ok but do not make any difference to the generated map.



A way of projecting the Natural Earth vector country outlines as Mercator would be a perfect example.



Adding  CONFIG "PROJ_DEBUG" "ON" does not appear to generate any output.



Thanks



Ian
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