[GRASSLIST:2596] RE: d.area: areas filled with various colors

[Beaudry Charles (NORANDA)]

Markus,

With respect to the new vector format expected in Grass5.1(?), I was
wondering if this automatic color filling is planned.  When dealing with
very large vector maps we need some way to do this.  At present I just
convert my map to raster and create categories.  This does not create too
many problems but certainly working directly with the vectors will be
better.

Charles

-----Original Message-----
From: Markus Neteler [mailto:neteler at itc.it]
Sent: Monday, October 22, 2001 11:23 AM
To: Beaudry Charles (NORANDA)
Cc: GRASSLIST at baylor.edu; grass5 developers list
Subject: Re: [GRASSLIST:2594] RE: d.area: areas filled with various
colors


On Mon, Oct 22, 2001 at 08:59:15AM -0400, Beaudry Charles (NORANDA) wrote:
> Markus,
> 
> I saw your new d.area with -f.  Looks good.  Does it actually read the
> attribute data from the database and use some sort of look up table to
> assign the colors or are the colors assigned by hand?
> 
> Charles

Hi Charles,

no, unfortunately it just cycles through the color table,
resetting to color 1 after color 13.
There is a need to develop "v.colors" in my opinion.

Markus
 
> -----Original Message-----
> From: Markus Neteler [mailto:neteler at itc.it]
> Sent: Friday, October 19, 2001 12:34 PM
> To: GRASSLIST at baylor.edu
> Cc: grass5 developers list
> Subject: [GRASSLIST:2591] d.area: areas filled with various colors
> 
> 
> On Fri, Oct 19, 2001 at 02:32:40PM +0300, Ahmet Temiz wrote:
> > Hi
> > 
> > I'm sorry to take up your time.
> > I would like to know how I can see vector polygons in different color in
> Grass5.
> > Say, I have geology map that has been prepared as vector polygons. and 
> > I have to see geo formations in differen color for interpretation.
> > 
> > 
> > Kind Regards
> > 
> > Ahmet Temiz
> > Geo. Eng.
> > Gen. Dir of Disaster Affairs
> > TURKEY
> 
> Hi,
> 
> just now I have added "-f" to d.area to optionally draw vector polygons
> with various colors. It is a simple approach just cycling through
> the (still limited) color table for vector data.
> See attachment for an impression (19k, hope that's o.k.).
> 
> The improvement is available in CVS and will ship with next
> GRASS 5 release.
> 
> cheers
> 
> Markus Neteler
> -----
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-- 
Markus Neteler

ITC-irst, Istituto per la Ricerca Scientifica e Tecnologica
     Project on Predictive Models for the Environment    
Via Sommarive, 18        -      38050 Povo (Trento), Italia
tel +39 0461 314 -520 (fax -591)          http://mpa.itc.it
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