[GRASSLIST:8837] Re: 3d blocks in GRASS NVIZ

[Ing.Peter Misovic]

3d blocks in GRASS NVIZ - continue :

Dear all,
we have problems with displaying 3D Volumes - blocks in GRASS. What we
did until now ?

a.) created 3D cubes in Bentley MicroStation
b.) displayed those 3D cubes sucessfully in ArcVIEW
c.) converted into PostGIS table by shp2postgis Postgres tool (please
see created SQL file http://www.minegis.com/temp/blocks3D.sql) - there
are different select statmens ...:(
d.) displayed PostIGIS layer in QGIS as 2d - successfully
e.) imported PostGIS layer into GRASS through v.in.ogr (please see
import log http://www.minegis.com/temp/3dnviz_import_log.txt)
f.) displayed layer in NVIZ - (please see screenshot -
http://www.minegis.com/temp/3dnviz.png)

We need just very simple database-objects visualization, but we are
not really able to do that. Please see
http://www.minegis.com/temp/cubes.jpg - we need a cubes in PostGIS
database, import those cubes into GRASS (and also in mapserver) and
provide thematic classification based on another atrribute table.
Please, is someone here able to help us ? We' re really confused that
we're not able to do that in last two weeks :((((

Thank to everyone.
Peter





On 10/28/05, Ing.Peter Misovic <peter.misovic at gmail.com> wrote:
> Hallo Stefania,
> it sounds interesting. It seems that it's exactly what I need. What Am
> I trying to do is (for sure) :
>
> I have cuboids (blocks) with known width, height and length and coord
> of center - please see this picture
> http://www.minegis.com/temp/cubes.jpg
> a.) I'd like to have those cubes in PostGIS (or Postgres) database
> b.) I'd like to display those cubes in NVIZ
> c.) and the most of all I'd like to able to change colors of those
> cubes in dependence on database table
>
> Please understand me. The major task I need is TO DISPLAY and CHANGE
> colors based on some database table. It does not matter HOW are the
> cubes generated - either from Postgis or Postgres, It does not matter
> HOW are they stored in database - either like points or like 3D
> volumes. If it is possible I preffer to store 3D volumes but ...as I
> said, it does not matter.
>
> I hope it's posiible.
>
> Thank you for your time.
>
> Peter
>
>
>
> On 11/25/05, Stefania Merlo <sm399 at cam.ac.uk> wrote:
> > Dear Peter,
> >
> > could you be a bit more specific on the issue? I have been working on 3D
> > volume visualisations with the command v.to.rast3 where the attribute
> > located at a specific x,y,z position is exploded to a cube of given
> > resolution. Does this sound what you are trying to do?
> >
> > Stefania
> >
> > --On Friday, October 28, 2005 12:46 +0200 "Ing.Peter Misovic"
> > <peter.misovic at gmail.com> wrote:
> >
> > > Dear all,
> > > I would like to ask you for help with creating 3D boxes based on
> > > database layer. Does anybody has any experiences ?
> > >
> > >
> > > Thank you.
> > > Peter
> > >
> >
> >
> >
> > --------------------------
> > Stefania Merlo
> > Department of Archaeology
> > University of Cambridge
> > United Kingdom
> > e-mail: sm399 at cam.ac.uk
> >
> > Office: +44 1223 763518
> > Mobile: +44 787 6405064
> > --------------------------
> >
>