[mapserver-users] Projection Woes - How to do it (i.e. i really need some help)

Brent Fraser bfraser at geoanalytic.com
Thu May 9 13:14:09 EDT 2002


Chip,

Check the spelling in the projection section of your layer definition:

"elips=clrk66"

should be
"ellps=clrk66"

(I did the same thing just yesterday...)

Brent

----- Original Message -----
From: "Hankley, Chip" <Chip.Hankley at GASAI.Com>
To: "MapServer List (E-mail)" <mapserver-users at lists.gis.umn.edu>
Sent: Thursday, May 09, 2002 10:54 AM
Subject: [mapserver-users] Projection Woes - How to do it (i.e. i really
need some help)


> Fiddling with projection-on-the-fly today. Working w/ the 3.5 CGI versions
> of MapServer, on Win2K, with IIS. When I try to load a mapfile with a
> projection specified, I get the following error (map file below):
>
> msProcessProjection(): Projection library error. major axis or radius = 0
or
> not given
>
> I'm totally confused by what's in (or not in) the documentation.
>
> 1) Do I need to have some local file (like a library) defining projections
> somewhere? Where does it go? Do I need to do something different if using
> MapScript?
>
> 2) What extent do I define in my header: the extent of the map projection,
> or the extent of my layer.
>
> 3) Why am I getting this error?
>
> TIA!
>
> Chip
>
>
>
> NAME library
> EXTENT 280482.067224 206170.386312 778816.444758 746364.850613SIZE 400 400
> FONTSET "C:\Inetpub\wwwroot\mapserv\ms_symbols\fonts\fonts.list"
> SHAPEPATH "C:\ESRI\ESRIDATA\USA\"
> SYMBOLSET "C:\Inetpub\wwwroot\MapSymbols\symbol.sym"
> UNITS meters
> IMAGECOLOR 255 255 255
>
> #
> # Projection definition
> #
> PROJECTION
>   "proj=utm"
>   "ellps=GRS80"
>   "zone=15"
>   "north"
>   "no_defs"
> END
>
>
> WEB
>   TEMPLATE default.html
>   IMAGEPATH "C:\Inetpub\wwwroot\tmp\"
>   IMAGEURL "/tmp/"
> END
>
> SCALEBAR
>   STATUS ON
>   INTERVALS 2
>   SIZE 125 2
>   COLOR 0 0 0
>   BACKGROUNDCOLOR  255 255 255
>   OUTLINECOLOR 0 0 0
>   UNITS feet
>   LABEL
>     COLOR 0 0 0
>     SIZE small
>   END
> END
>
> LAYER
>   NAME Counties
>   TYPE Polygon
>   STATUS on
>   PROJECTION
>     "proj=latlong"
>     "elips=clrk66"
>   END
>   DATA "Counties"
>     CLASS
>       Name 'Ctyppoly.shp'
>       OUTLINECOLOR 0 0 0
>     END  # CLASS
> END  # LAYER
>
> END
>
>
>
>
>
>




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