Simple question about scalebar.

[Krung Saengpole]

Thank you, it works now.

Dirk-Jan Huisman <d.huisman at INGBCC.NL> wrote:Hi,
 
The units of the projection is m. The Extent of your mapfile are m? If it is, the units of the mapfile should be m.  
 
best regards
-----Oorspronkelijk bericht-----
Van: Krung Saengpole [mailto:saengpole at yahoo.com]
Verzonden: dinsdag 31 mei 2005 20:12
Aan: Dirk-Jan Huisman; mapserver-users at lists.umn.edu
Onderwerp: Re: [UMN_MAPSERVER-USERS] Simple question about scalebar.


Hi,
 
Thank you for your response. My map file is simple as below:
 
MAP
 SHAPEPATH "d:\work\gis\kornburi\data\"
 FONTSET "./fonts/fonts.list"
 SYMBOLSET "./symbols/symbol.sym"
 EXTENT 730000 1550000 935000 1750000
 UNITS kilometers
 SIZE 600 450
 IMAGETYPE gif
 TRANSPARENT on
SCALEBAR
 POSITION ll
 STATUS off
 COLOR 255 0 255
 IMAGECOLOR 255 255 0
 UNITS KILOMETERS
 INTERVALS 3
 STYLE 0
END
PROJECTION
    "proj=utm"
    "zone=47"
    "a=6377276.345"
    "b=6356075.413"
    "towgs84=209,818,290,0,0,0,0"
    "units=m"
    "no_defs"
END
LAYER
...
...
END
 
My problem is that scalebar showed wrong distance. Everything is ok but scalebar. I told you last message that true distance it should be 18.3 km but scalebar showed 18300 km. I thought if this number was correct, then the unit should be meter not kilometer. 

Dirk-Jan Huisman <d.huisman at INGBCC.NL> wrote:
Hi,
 
It's not clear what goes wrong. Include some code of your mapfile. What are the map units and the scalebar units?
 


 ----Oorspronkelijk bericht-----
Van: Krung Saengpole [mailto:saengpole at YAHOO.COM]
Verzonden: maandag 30 mei 2005 16:34
Aan: MAPSERVER-USERS at LISTS.UMN.EDU
Onderwerp: [UMN_MAPSERVER-USERS] Simple question about scalebar.


Dear all,
 
Whether or not I embeded scalebar in map, it showed wrong distance, e.g. it should be 18.3 km but it showed 18300 km. Nontheless I use projection or not. What I have to specially set to get right scalebar?
 
TIA
 
Krung

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