[GRASS-user] Trying to export a 3d Layer

[Matthew Pulis]

Hi,

 

I am trying to export a contour layer to PostGIS / Shapefile / GML but to no
avail. The files I am trying to export are in GRASS Vector format, thus I am
using v.out.ogr. I am using the dataset found with the Grass Book Edition 3
(North Carolina). My layer is elev_contour_3m. I tried also to load the 10m
contour layer in the same dataset but got the same results, so I do not
think it is a problem of the vector files, but more of an exporting problem.

 

Any help how I can make this layer into a useable layer outside GRASS is
extremely appreciated!

 

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Matthew

 

 

 

I am supplying some info which might help you give me some tips how I can do
it.

 

GRASS 6.3.0RC1 (thesis):~/thesis_gis/thesis/yancho/vector/elev_contour_3m >
v.out.ascii elev_contour_3m format=standard | head -n 20

ORGANIZATION: NC OneMap

DIGIT DATE:

DIGIT NAME:   helena

MAP NAME:

MAP DATE:     Fri Mar  9 12:12:48 2007

MAP SCALE:    1

OTHER INFO:

ZONE:         0

MAP THRESH:   0.000000

VERTI:

L  309 1

 644845.39132067 228495       58

 644850.5257363 228485       58

 644855       228476.80568172 58

 

GRASS 6.3.0RC1 (thesis):~/thesis_gis/thesis/yancho/vector/elev_contour_3m  >
v.db.select elev_contour_3m

DBMI-DBF driver error:

Table 'elev_contour_3m' doesn't exist.

Error in db_open_select_cursor()

 

 

GRASS 6.3.0RC1 (thesis):~/thesis_gis/thesis/yancho/vector/elev_contour_3m >
v.info elev_contour_3m

+---------------------------------------------------------------------------
-+

 | Layer:           elev_contour_3m
|

 | Mapset:          yancho
|

 | Location:        thesis
|

 | Database:        /home/yancho/thesis_gis
|

 | Title:
|

 | Map scale:       1:1
|

 | Map format:      native
|

 | Name of creator: helena
|

 | Organization:    NC OneMap
|

 | Source date:     Fri Mar  9 12:12:48 2007  

 

|   Number of lines:        3355            Number of islands:    0
|

 

 

And these are the output formats I tried :

 

GRASS 6.3.0RC1 (thesis):~/thesis_gis/thesis/yancho/vector/elev_contour_3m >
v.out.ogr input=elev_contour_3m format=ESRI_Shapefile
dsn=/home/yancho/elevation.shp

WARNING: Vector map <elev_contour_3m> is 3D. Use format specific layer

         creation options (parameter 'lco') to export in 3D rather than 2D

         (default)

DBMI-DBF driver error:

Table 'elev_contour_3m' doesn't exist

 

ERROR: Unable to describe table <elev_contour_3m>

 

 

GRASS 6.3.0RC1 (thesis):~/thesis_gis/thesis/yancho/vector/elev_contour_3m >
v.out.ogr in=elev_contour_3m type=face dsn="PG:host=localhost dbname=thesis
user=usernamehere password=passhere" format=PostgreSQL lco="SHPT=ARCZ"

WARNING: Vector map <elev_contour_3m> is 3D. Use format specific layer

         creation options (parameter 'lco') to export in 3D rather than 2D

         (default)

DBMI-DBF driver error:

Table 'elev_contour_3m' doesn't exist

 

ERROR: Unable to describe table <elev_contour_3m>

 

 

I tried also lco="DIM=3" but got same results.

 

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