[mapserver-users] Projection help
Lime, Steve D (MNIT)
steve.lime at state.mn.us
Wed Jul 31 18:37:36 PDT 2019
How are you setting an extent? The default extent you’re defining is in lat/lon.
________________________________
From: Ian Walberg <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>; mapserver-users at lists.osgeo.org <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>
Sent: Wednesday, July 31, 2019 3:22 PM
To: Ian Walberg <ian.walberg at airborne.aero>; 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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