[GRASSLIST:8846] Re: 3d blocks in GRASS NVIZ

[Ing.Peter Misovic]

I still hope GRASS is able provide something like this. Or PostGIS ?

PETER

On 11/2/05, Nick Cahill <ndcahill at facstaff.wisc.edu> wrote:
> I also have had no luck importing even the simplest 3d shapes from
> Microstation to GRASS. I didn't go through PostGIS, but used
> v.in.ogr, which reads Microstation DGN files directly. Even simple
> blocks were unpredictably located and sized. I had hoped to create
> more complex 3d shapes to display in NVIZ, but gave up and am looking
> for another solution. If this could be made to work in GRASS though
> it would be a boon.
>
> Nick Cahill
>
>
> On Nov 2, 2005, at 11:29 AM, Ing.Peter Misovic wrote:
>
> > 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
> >>> --------------------------
> >>>
> >>>
> >>
> >>
> >
> >
>
>