[GRASSLIST:5996] Re: moving layers from one machine to another

[Chris Fonnesbeck]

On Thu, 3 Mar 2005 20:59:45 +0100 (CET), Roger Bivand
<Roger.Bivand at nhh.no> wrote:
> On Thu, 3 Mar 2005, Chris Fonnesbeck wrote:
> 
> > On Thu, 3 Mar 2005 19:47:17 +0100 (CET), Roger Bivand
> > <Roger.Bivand at nhh.no> 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?
> > >
> >
> > This is version 6, beta 2. I am using Lorenzo Moretti's OS X binary,
> > to be specific. The imported file is a vector shapefile.
> >
> 
> PLEASE reply to the list too - it is polite to keep the list informed on a
> matter of some importance. You have not said what the GRASS version on
> which Linux was.
> 
> The documentation is in the last resort in the 6.0.0 beta2 sources.
> lib/gis/Makefile has EXTRA_LIBS = $(XDRLIB) ..., but lib/vector/*/Makefile
> don't, as far as I can see. $(XDRLIB) is in: form/Makefile, gis/Makefile,
> init/Makefile, vector/diglib/Makefile: this final directory includes
> reference to a portable vector format. Neither "XDR" nor "portable" appear
> in the grass60vlib reference manual, but the portable functions seem to be
> called in Vector_read_nat() and elsewhere in Vlib.
> 
> The release notes for 6.0.0 beta2 say "The new internal vector data format
> is portable between 32bit and 64bit platforms", and googling the GRASS
> site for portable and vector gives lots of hits, but no specific
> declaration that you can validly do what you want to do, or that you
> can't. A good deal of work seems to have gone into trying to provide
> endian portability, so maybe there is something else involved.
> 

Sorry, I *meant* to hit "reply all" and this hit the list as well, but did not.

That may be the problem -- I imported the file in 5.7 and then tried
moving it over to 6.0. I will build 6.0 on my Linux box and try again.