[mapserver-users] Thematic points by database values

[Martin, Daniel]

Is there any way to use an expression with LABELSIZEITEM?  I tried, but
Mapserver choked on it.

Thanks,
Dan

-----Original Message-----
From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
Sent: Friday, June 14, 2002 2:11 PM
To: Martin, Daniel
Cc: mapserver-users at lists.gis.umn.edu
Subject: Re: [mapserver-users] Thematic points by database values


Martin, the value of "Total" if used for LABELSIZEITEM must be in pixels
for font height.

-Steve

"Martin, Daniel" wrote:
> 
> Lowell mentions Mapscript, and I thank him for the reply.  Unfortunately,
> I'm in the pure CGI world.
> 
> Steve, thanks for your suggestion.  I tried it, but for some reason my
> points don't seem to be resizing based on the LABALSIZEITEM.  Or if they
do,
> it's so small it's unnoticeable.
> 
> Here's my Layer:
> 
> LAYER
>   NAME "Outsources YTD 2002"
>   TYPE POINT
>   CONNECTIONTYPE OGR
>   CONNECTION "\GISData\Outsources.TAB"
>   STATUS OFF
>   LABELSIZEITEM "Total"
>   CLASS
>     NAME 'Outsources YTD 2002 Through April 30'
>     COLOR -1 -1 -1
>     TEXT "."
>     LABEL
>       POSITION cc
>       TYPE TRUETYPE
>       FONT arial
>       FORCE true
>       COLOR 255 0 0
>       OUTLINECOLOR 0 0 0
>       ANTIALIAS true
>       MINSIZE 25
>       MAXSIZE 300
>     END
>   END
> END
> 
> Any Ideas why it always seems to be the MINSIZE, no matter what the value
of
> the LABELSIZEITEM?  I should mention the values are going to be around the
> range of 1-15.
> 
> Thanks,
> Dan Martin
> 
> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com]
> Sent: Friday, June 14, 2002 10:32 AM
> To: Martin, Daniel
> Cc: mapserver-users at lists.gis.umn.edu
> Subject: Re: [mapserver-users] Thematic points by database values
> 
> You might try something like LABELSIZEITEM and then use a truetype font
> to draw the symbol. If you need to label the item also, the dupicate the
> LAYER and make it TYPE ANNOTATION to draw the label.
> 
> -Steve
> 
> "Martin, Daniel" wrote:
> >
> > I am trying to add thematic points by a value in the database.  Every
> > example I've seen involves the use of many classes.  I'd rather avoid
> that,
> > because my point values have an undetermined range, and change often.
> >
> > I'm looking for something along the lines of:
> >
> > CLASS
> >  SIZE 4 + MyDbaseItem
> >  ...
> > END
> >
> > But, I haven't found anything that works.  Is it possible to do this?
> >
> > Thanks,
> > Dan Martin