[GRASS-dev] Re: export 3d vector line map to shp

[Martin Landa]

OK,

this ugly patch enables to export 3d shapefile using v.out.ogr
lco="SHPT=ARCZ" ...

Martin

2007/9/11, Martin Landa <landa.martin at gmail.com>:
> Hi,
>
> I got problem exporting 3d GRASS vector map to Shapefile. I have a
> vector map with 3d lines (contours).
>
> $ .out.ascii isolines_reggio format=standard | head -n 20
> ORGANIZATION:
> DIGIT DATE:
> DIGIT NAME:   martin
> MAP NAME:     Output from v.overlay
> MAP DATE:     Tue Sep 11 00:50:19 2007
> MAP SCALE:    1
> OTHER INFO:
> ZONE:         0
> MAP THRESH:   0.000000
> VERTI:
> L  20 1
>  618866       949571.5625  100
>  618824.8125  949549.6875  100
>  618815.8125  949537.1875  100
>  618820.8125  949524.6875  100
>  618810.8125  949486.3125  100
>  618774.5625  949423.6875  100
>  618767.0625  949372.8125  100
>  618746.375   949349.8125  100
>  618728.8125  949360.3125  100
>
> I tried to export the map using
>
> $ v.out.ogr in=isolines_reggio dsn=./ olay=isolines_reggio
>
> For testing...
> $ v.in.ogr dsn=isolines_reggio.shp out=test -z
>
> v.out.ascii test format=standard | head -n 20
> ORGANIZATION:
> DIGIT DATE:
> DIGIT NAME:   martin
> MAP NAME:
> MAP DATE:     Tue Sep 11 19:46:07 2007
> MAP SCALE:    1
> OTHER INFO:
> ZONE:         0
> MAP THRESH:   0.000000
> VERTI:
> L  20 1
>  618866       949571.5625  0
>  618824.8125  949549.6875  0
>  618815.8125  949537.1875  0
>  618820.8125  949524.6875  0
>  618810.8125  949486.3125  0
>  618774.5625  949423.6875  0
>  618767.0625  949372.8125  0
>  618746.375   949349.8125  0
>  618728.8125  949360.3125  0
>
> The Z coordinate is lost...
>
> According
>
> http://gdal.org/ogr/drv_shapefile.html
>
> I tried
>
> v.out.ogr in=isolines_reggio dsn=./ olay=isolines_reggio lco=SHPT=ARCZ
> ERROR 6: Unknown SHPT value of `ARCZ=YES' passed to Shapefile layer
> creation.  Creation aborted.
>
> ERROR: Cannot create layer
>
> Thanks for any tip...
>
> Martin
>
> --
> Martin Landa <landa.martin at gmail.com> * http://gama.fsv.cvut.cz/~landa *
>


-- 
Martin Landa <landa.martin at gmail.com> * http://gama.fsv.cvut.cz/~landa *