Send grass-windows mailing list submissions to
[email protected]
To subscribe or unsubscribe via the World Wide Web, visit
http://lists.osgeo.org/mailman/listinfo/grass-windows
or, via email, send a message with subject or body 'help' to
[email protected]
You can reach the person managing the list at
[email protected]
When replying, please edit your Subject line so it is more specific
than "Re: Contents of grass-windows digest..."
Today's Topics:
1. RE: cannot get r.to.vect to work (Snowdon, Barry B FOR:EX)
2. Re: RE: cannot get r.to.vect to work (Markus Neteler)
----------------------------------------------------------------------
Message: 1
Date: Thu, 15 Oct 2009 09:36:52 -0700
From: "Snowdon, Barry B FOR:EX" <[email protected]>
Subject: [GRASS-windows] RE: cannot get r.to.vect to work
To: <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hi folks,
I'm new to GRASS and trying to convert from raster to vector using GRASS
6.3 under VISTA without any success.
The raster I'm trying to convert was originally an ESRI arc ascii that I
imported into grass.
It displays okay and has these characteristics
+-----------------------------------------------------------------------
-----+
| Layer: pgtsa...@permanent Date: Tue Oct 13 10:44:07
2009 |
| Mapset: PERMANENT Login of Creator: bbsnowdo
|
| Location: My_Location
|
| DataBase: E:/GIS DataBase
|
| Title: ( pgtsa_lu )
|
| Timestamp: none
|
|-----------------------------------------------------------------------
-----|
|
|
| Type of Map: raster Number of Categories: 99
|
| Data Type: CELL
|
| Rows: 4900
|
| Columns: 5628
|
| Total Cells: 27577200
|
| Projection: Albers Equal Area
|
| N: 1368637.5 S: 878637.5 Res: 100
|
| E: 1393837.5 W: 831037.5 Res: 100
|
| Range of data: min = 1 max = 99
|
|
|
| Data Description:
|
| generated by r.in.arc
|
|
|
| Comments:
|
| r.in.arc
input="E:/FAIB/SELES_work/DATABASE/newLocation/PERMANENT/ce\ |
| ll/lu.asc" output="pgtsa_lu" type="CELL" mult=1.0
|
|
|
+-----------------------------------------------------------------------
-----+
But when I run r.to.vect Iget the following message.
r.to.vect input=pgtsa_lu output=lu_poly feature=area --overwrite
--verbose
Vector map <lu_poly> already exists and will be overwritten
Extracting areas...
Building topology ...
Registering lines:
0 primitives registered
Building areas:
0 areas built
0 isles built
Attaching islands:
Attaching centroids: Topology was built.
Number of nodes : 0
Number of primitives: 0
Number of points : 0
Number of lines : 0
Number of boundaries: 0
Number of centroids : 0
Number of areas : 0
Number of isles : 0
r.to.vect complete.
Any help anyone could provide would be greatly appreciated.
Barry Snowdon, RPF
Forest Analysis and Inventory Branch
British Columbia Ministry of Forests and Range
Email: [email protected]
Tel: 250-387-3266
Fax: 250-953-3838
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
http://lists.osgeo.org/pipermail/grass-windows/attachments/20091015/76487d33/attachment-0001.html
------------------------------
Message: 2
Date: Fri, 16 Oct 2009 11:40:00 +0200
From: Markus Neteler <[email protected]>
Subject: Re: [GRASS-windows] RE: cannot get r.to.vect to work
To: "Snowdon, Barry B FOR:EX" <[email protected]>
Cc: [email protected]
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=windows-1252
On Thu, Oct 15, 2009 at 6:36 PM, Snowdon, Barry B FOR:EX
<[email protected]> wrote:
> Hi folks,
>
> Im new to GRASS and trying to convert from raster to vector using GRASS 6.3
> under VISTA without any success.
Please try GRASS 6.4.0:
http://grass.osgeo.org/grass64/binary/mswindows/native/
Markus
------------------------------
_______________________________________________
grass-windows mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/grass-windows
End of grass-windows Digest, Vol 38, Issue 4
********************************************
