[GRASSLIST:5990] Re: moving layers from one machine to another

[Dylan Beaudette]

Just speculation, but I would be willing to bet that it is an endian-ness 
related problem... Intel hardware to PPC hardware transfers have this problem 
all the time...

On Thursday 03 March 2005 10:47 am, Roger Bivand wrote:
> On Thu, 3 Mar 2005, Chris Fonnesbeck wrote:
> > That makes sense. So, what is the recommended way, then, of moving
> > GRASS layers among platforms?
>
> I'm returning Chris' question to the list, so that the answer gets into
> the archives. Chris, could you state which GRASS version you are using on
> both platforms? I guess this is 5.7 or 6.0 - could somebody who knows the
> vector storage formats comment please?
>
> > On Thu, 3 Mar 2005 19:15:32 +0100 (CET), Roger Bivand
> >
> > <Roger.Bivand at nhh.no> wrote:
> > > On Thu, 3 Mar 2005, Chris Fonnesbeck wrote:
> > > > Having painstakingly imported a large shapefile into Linux (see
> > > > previous thread on v.in.ogr), I want to use this layer on my OS X
> > > > machine. However, simply moving my ~/grass directory to the other
> > > > machine seems not to work, as attempting lo load the layer results in
> > > > a bus error on the Mac (works fine on the Linux machine). What is the
> > > > best way to move layers among GRASS workstations?
> > >
> > > If your Linux system was on Intel/AMD, I think you'll find that it is
> > > other-endian from your Mac - the bytes in integers, floats and doubles
> > > are stored in different orders. I understand that GRASS rasters are
> > > protected by being stored using the portable XDR representation, are
> > > GRASS vector layers?
> > >
> > > > Thanks,
> > > > Chris
> > >
> > > --
> > > Roger Bivand
> > > Economic Geography Section, Department of Economics, Norwegian School
> > > of Economics and Business Administration, Breiviksveien 40, N-5045
> > > Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 93 93
> > > e-mail: Roger.Bivand at nhh.no

-- 
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341