Strange text ('Unk') being displayed as label

[Xin]

Ok it turns out Unk means undefined.  When I looked into the dbf file I was
expecting multiple entries, not knowing it only displays one try per unique
match.

Anyway, problem solved.

On 06/02/06, Xin <crazygecko at gmail.com> wrote:
>
> I am using a data that represents urban areas.  I display the label field
> when the area is of a certain minimal size.  This works great,  but on
> closer inspection I have noticed 'Unk' being displayed at places.  This
> doesn't happen often, but often enough to be a concern.
>
> I links below are images showing this.
>
> http://img.auctiva.com/imgdata/0/1/6/7/2/6/webimg/5867510_o.jpg
>
> http://img.auctiva.com/imgdata/0/1/6/7/2/6/webimg/5867511_o.jpg
>
> I have checked in the data, and there is only one area called 'Unk'.
>
> Below is the mapfile code for that particular layer.
>
> > LAYER
> >     # Urban Densitiy
> >     NAME "BUILTUPA"
> >     STATUS DEFAULT
> >     DATA "BUILTUPA_AREA"
> >     TYPE POLYGON
> >     MAXSCALE 6000000
> >     LABELITEM "NAM"
> >
> >     # Big Cities
> >     CLASS
> >         EXPRESSION ([AREA_SQMI] > 40)
> >         MINSCALE 250000
> >       LABEL
> >         TYPE TRUETYPE
> >         FONT "verdana_bold"
> >         SIZE 12
> >         POSITION AUTO
> >         ANGLE AUTO
> >         BUFFER 2
> >         MINDISTANCE 10
> >         COLOR 40 40 40
> >         OUTLINECOLOR 240 240 240
> >         ANTIALIAS TRUE
> >         PARTIALS TRUE
> >                 MINFEATURESIZE 8
> >       END
> >       STYLE
> >         COLOR 210 210 210
> >       END
> >     END
> >
> >     # Cities
> >     CLASS
> >         MAXSCALE 2600000
> >         EXPRESSION ([AREA_SQMI] > 25)
> >       LABEL
> >         TYPE TRUETYPE
> >         FONT "verdana"
> >         SIZE 12
> >         POSITION AUTO
> >         ANGLE AUTO
> >         BUFFER 2
> >         MINDISTANCE 10
> >         COLOR 40 40 40
> >         OUTLINECOLOR 240 240 240
> >         ANTIALIAS TRUE
> >         PARTIALS TRUE
> >                 MINFEATURESIZE 8
> >       END
> >       STYLE
> >         COLOR 210 210 210
> >       END
> >     END
> >
> >      # Towns
> >     CLASS
> >         MAXSCALE 800000
> >         EXPRESSION ([AREA_SQMI] > 5 and [AREA_SQMI] < 40)
> >       LABEL
> >         TYPE TRUETYPE
> >         FONT "verdana"
> >         SIZE 11
> >         POSITION AUTO
> >         ANGLE AUTO
> >         BUFFER 2
> >         MINDISTANCE 10
> >         COLOR 40 40 40
> >         OUTLINECOLOR 240 240 240
> >         ANTIALIAS TRUE
> >         PARTIALS TRUE
> >                 MINFEATURESIZE 8
> >       END
> >       STYLE
> >         COLOR 210 210 210
> >       END
> >     END
> >     PROJECTION
> >         "proj=latlong"
> >     END
> >   END
> >
>
> Any help is greatly appreciated.
>
> Xin
>
>
>
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