[GRASS-user] 3D Streets Data

[Matthew Pulis]

Thanks for your prompt answer Markus.

The v.out.ogr is what I tried before, but redid it on the new shape-file.
These are the first row of the new data :

wkt_geom,cat,STSEG,STID,STNAME,DIR_PRE,DIR_SUF,STYPE,CLASS,F_ELEV,T_ELEV,MAP
,PRIV,FRLEFT,TOLEFT,FRRIGHT,TORIGHT,FRLEFT_A,TOLEFT_A,FRRIGHT_A,TORIGHT_A,ST
ATEROAD,CARTONAME,CORP,SPEED,ONE_WAY,CLASSNAME,L_ZIPNAME,R_ZIPNAME,FT_COST,T
F_COST,LABELNAME,F_NODE,T_NODE,CARTOLEVEL,SHAPE_LEN
LINESTRING(625304.649659 214113.544271, 625301.199687 214078.520974,
625299.489761 214056.176602, 625299.289850
214050.649031),1,36074,20863,FIREFLY,,,RD,12,8,8,W0750-03,,101,199,100,198,1
01,119,100,118,0,FIREFLY RD,HS,25,BI,CITY,HOLLY SPRINGS,HOLLY
SPRINGS,0.094452,0.094452,FIREFLY RD,0,0,,207.131131

This is how I generated the shape file :

GRASS 6.3.0RC1 (nc_spm_06):~ > v.out.ogr input=streets3d_new type=line
dsn=streets3d_new_shps olayer=testogr lco="SPHT=ARCZ"

Ogrinfo on the streets3d new shape file gave me : 

GRASS 6.3.0RC1 (nc_spm_06):~ > ogrinfo streets3d_new_shps/
INFO: Open of `streets3d_new_shps/'
using driver `ESRI Shapefile' successful.
1: testogr (Line String)

What I am seeing wrong is that there is no extra column being added to the
dataset which contains the elevation. I am attaching a screenshot which
shows this : http://solutions-lab.net/thesis/elevation.jpg

Am I testing the wrong way? If yes can you please mention some keywords I
can use to search for such operation please? I tried to google for a way out
of this problem but am really stuck.

Thanks a lot :)

Matthew

-----Original Message-----
From: neteler.osgeo at gmail.com [mailto:neteler.osgeo at gmail.com] On Behalf Of
Markus Neteler
Sent: Sunday, January 13, 2008 6:57 PM
To: Matthew Pulis
Cc: grass-user at lists.osgeo.org
Subject: Re: [GRASS-user] 3D Streets Data

On Jan 13, 2008 6:06 PM, Matthew Pulis <mpulis at gmail.com> wrote:
...
> However, the problem is that
> when I exported this layer to a shape file to load it from QGis, and when
I
> exported this to a PostGIS database there is no showings of the Altitude
> layer.

Did you check the manual?

   Export 3D lines from GRASS vector map to Shapefile format:
       v.out.ogr     input=lines_3d    type=line    dsn=/tmp
olayer=testogr lco="SHPT=ARCZ"

Without lco= it won't work...

Markus

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