[Mapserver-users] invalid image extent with dhtml demo and germany map

[Ernesto Vega]

did you try to get the extents of your map using ogrinfo ???

ogrinfo will show the extents of the map, use them on your mapfile.

Ernesto


----- Original Message -----
From: "Inge Keckeisen" <inke03 at gmx.net>
To: <mapserver-users at lists.gis.umn.edu>
Sent: Thursday, June 17, 2004 12:34 PM
Subject: [Mapserver-users] invalid image extent with dhtml demo and germany
map


> Hi,
>
> since I try to show a map of Germany with the dhtml interface of the
Itasca
> demo the scalebar shows the wrong scale (after zooming in a lot) or
doesn't
> appear not at all.
> The original Itasca dhtml demo is working fine.Also my own mapfile runs
well
> but only without the dhtml interface.
>
> This is what the browser brings up when right-clicking on the scalebar
icon:
> msCalculateScale(): General error message. Invalid image extent.
> msCalculateScale(): General error message. Invalid image extent.
> mapserv(): Web application error. No way to generate map extent.
> Maybe I have to change something in the mapserv.js to define the map
extent
> but don't know what I should do explicitly. I hope someone can give me a
> hint.
>
> Regards,
> Inge Keckeisen
>
> Here are some snippets of the mapfile:
> (The data is in WGS84, but I want to have it projected in Gauss-Krueger3)
>
> NAME 'Deutschland'
> STATUS ON
> PROJECTION
>      'init=epsg:31467' # Gauss-Krueger Zone3
> END
>
> SIZE   350 500
> EXTENT 3228330.530 5193322.629 3988410.415 6163355.154
> UNITS  METERS
>
> SCALEBAR
>  STATUS ON
>   LABEL
>   COLOR 000 000 000
>   SIZE SMALL
>   END
>  SIZE 250 3
>   COLOR 0 90 230
>   OUTLINECOLOR 100 100 100
>  UNITS KILOMETERS
> END
>
> LAYER
>   NAME 'Bundesgebiet'
>   GROUP 'bundesgebiet'
>   DATA 'data/grenze'
>   STATUS DEFAULT
>   TYPE POLYGON
> PROJECTION
>      'init=epsg:4326' # WGS84
> END
>       CLASS
>        NAME 'Grenze'
>        COLOR 210 210 210
>        OUTLINECOLOR 100 100 100
>       END
> END
>
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