[GRASS5] 3d point vectors in nviz

Markus Neteler neteler at itc.it
Sun Jul 3 14:21:06 EDT 2005


Michael,

I don't have a Mac, so I don't know...

Generally I would suggest to move the rand() etc code which
is scattered around to aa central place.

Markus

On Sat, Jul 02, 2005 at 09:18:13PM -0700, Michael Barton wrote:
> Markus,
> 
> Does the random point generator now work on Mac's too? It didn't work on
> Mac's a month back.
> 
> Michael
> 
> 
> On 7/1/05 8:23 AM, "Markus Neteler" <neteler at itc.it> wrote:
> 
> > Yes, it works. I have right now extended v.random to optional 3D support
> > to easily generate test data:
> > 
> > - launch GRASS with Spearfish60
> > - run
> >    g.region rast=elevation.dem -p
> >    v.random -z out=rand3d n=25 zmin=1200 zmax=2500
> >    v.info rand3d
> >    nviz elevation.dem
> >    # load vector points in "Vector points" menu, "NEW" button
> >    # then select "3D Points", draw
> > 
> > Works well...
> > 
> > Markus
> > 
> > On Fri, Jul 01, 2005 at 10:33:24AM +0200, benducke at compuserve.de wrote:
> >> Yes, I did, but the results were no different
> >> rom the Display on Surface option.
> >> Is the "3D Points" option known to work?
> >>  
> >>> ----- Originalnachricht -----
> >>> Von: Markus Neteler <neteler at itc.it>
> >>> Datum: Freitag, 1. Juli 2005 8:54 am
> >>> Betreff: [GRASSLIST:7400] Re: 3d point vectors in nviz
> >>> 
> >>>> On Thu, Jun 30, 2005 at 03:32:16PM +0200, benducke at compuserve.de
> >>>> wrote:> Has anyone successfully managed to get a 3D points cloud
> >>>>> to display correctly in nviz?
> >>>>> I checked 3D region settings and the structure of the
> >>>>> vector file itself. The data and settings seem fine.
> >>>>> I can display the zcoords with d.vect and it looks
> >>>>> ok.
> >>>>> However, when I load the map into nviz, I only get
> >>>>> to see the top points of the vector map (i.e. I get
> >>>>> to see as much as the top-down view by d.vect),
> >>>>> the remaining points do not get displayed.
> >>>>> 
> >>>>> I would very much appreciate any help!
> >>>> 
> >>>> Did you activate "3D Points" in the Vector points menu?
> >>>> 
> >>>> Markus
> >>>> 
> >>>> 
> >>> 
> >> 
> 
> ____________________
> C. Michael Barton, Professor of Anthropology
> School of Human Evolution and Social Change
> PO Box 872402
> Arizona State University
> Tempe, AZ  85287-2402
> USA
> 
> Phone: 480-965-6262
> Fax: 480-965-7671
> www: <www.public.asu.edu/~cmbarton>
> 

-- 
Markus Neteler     <neteler itc it>       http://mpa.itc.it
ITC-irst -  Centro per la Ricerca Scientifica e Tecnologica
MPBA - Predictive Models for Biol. & Environ. Data Analysis
Via Sommarive, 18        -       38050 Povo (Trento), Italy




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