Details Ticket 2748


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Serial Number 2748
Subject Cannot display vector data
Area bug
Queue grass
Requestors kazukiyo@agr.nagoya-u.ac.jp
Owner none
Status open
Last User Contact Sat Jul 22 13:12:11 2006 (2 yr ago)
Current Priority 70
Final Priority 70
Due No date assigned
Last Action Sat Jul 22 13:12:11 2006 (2 yr ago)
Created Wed Dec 1 16:21:57 2004 (4 yr ago)

Transaction History Ticket 2748


Wed, Dec 1 2004 16:21:57    Request created by guest  
Subject: Cannot display vector data

Platform: other
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources

I compiled grass5.4 under fedora core3(x86_64) by following settings.
../grass-5.4.0/configure --with-glx --with-proj --with-motif --with-cxx --with-blas
--with-lapack --with-freetype --with-freetype-includes=/usr/include/freetype2
--with-lapack --with-gdal=/usr/local/bin/gdal-config --with-nls --with-odbc --enable-64bit
In other system(fedora core3(i386)), I created the raster and vector (area) data,
and then copied this database to fedora core3(x86_64) system.
The raster data is no problem, but vector data could not display using d.vect.area
command. This command output the following message:
Warning: Long   is size 8
Data file has been modified.  You MUST first run 'v.support'

In other system(fedora core3(i386)), I could correctly display same vector data
using d.vect.area.
Thu, Dec 2 2004 10:10:40    Mail sent by neteler@itc.it  
Return-Path <neteler@itc.it>
Delivered-To grass-bugs@lists.intevation.de
Date Thu, 2 Dec 2004 10:12:15 +0100
From Markus Neteler <neteler@itc.it>
To Request Tracker <grass-bugs@intevation.de>
Cc grass5@grass.itc.it
Subject Re: [GRASS5] [bug #2748] (grass) Cannot display vector data
Message-ID <20041202091215.GJ21994@thuille.itc.it>
Mail-Followup-To Request Tracker <grass-bugs@intevation.de>, grass5@grass.itc.it
References <20041201152157.F0E70102BD5@lists.intevation.de>
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On Wed, Dec 01, 2004 at 04:21:57PM +0100, Request Tracker wrote:
> this bug's URL: http://intevation.de/rt/webrt?serial_num=2748
> -------------------------------------------------------------------------
> 
> Subject: Cannot display vector data
> 
> Platform: other
> grass obtained from: Trento Italy site
> grass binary for platform: Compiled from Sources
> 
> I compiled grass5.4 under fedora core3(x86_64) by following settings.
> ../grass-5.4.0/configure --with-glx --with-proj --with-motif --with-cxx --with-blas
--with-lapack --with-freetype --with-freetype-includes=/usr/include/freetype2
--with-lapack --with-gdal=/usr/local/bin/gdal-config --with-nls --with-odbc --enable-64bit
> 
> In other system(fedora core3(i386)), I created the raster and vector (area)
data, and then copied this database to fedora core3(x86_64) system.
> The raster data is no problem, but vector data could not display using d.vect.area
command. This command output the following message:
> Warning: Long   is size 8
> Data file has been modified.  You MUST first run 'v.support'
> 
> In other system(fedora core3(i386)), I could correctly display same vector
data using d.vect.area.


The problem is that vector data in pre GRASS 5.7 are not
portable across 32/64bit. This is only supported from 5.7 onwards.

1) A solution might be:
- Install GRASS 5.7 on both core3(i386) and core3(x86_64).
- Run GRASS 5.7 on core3(i386), convert old format to new format (v.convert)
- copy over the data
- use GRASS 5.7 on core3(x86_64)

2) Another solution might be (not sure):
- Export into external format, e.g. SHAPE
- Import from shape

We are interested in reports on (1).

Markus


Sat, Jul 22 2006 13:12:11    Mail sent by guest  
Hi,

does this problem persist with GRASS 6?

Markus
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