[GRASS-user] problems with r.cost

[Dylan Beaudette]

I see. 

There must be a couple people on the grass list who can look at it. If you 
can, try and get in touch with the SOC people, as there is a project related 
to cost surface analysis - they might be able to help.

dylan

On Friday 25 May 2007 14:13, Gerald Nelson wrote:
> She didn't seem to be volunteering any of her students. She, and they, had
> moved on. It was primarily a CS exercise for them. Sigh. Jerry
>
> ---- Original message ----
>
> >Date: Fri, 25 May 2007 13:39:46 -0700
> >From: Dylan Beaudette <dylan.beaudette at gmail.com>
> >Subject: Re: [GRASS-user] problems with r.cost
> >To: Gerald Nelson <gnelson at uiuc.edu>
> >
> >Hmm. Good point. I am not really competent with Makefiles...
> >
> >Hopefully one of Laura's students can do it.
> >
> >cheers,
> >
> >dylan
> >
> >On Friday 25 May 2007 09:20, Gerald Nelson wrote:
> >> How's your C? Mine doesn't exist. I looked at the gmake file (which is
> >> what was used for grass 5) and a make file for the r.cost module in
> >> grass 6). I couldn't figure out what needed to be changed.
> >>
> >> Regards, Jerry
> >>
> >> ---- Original message ----
> >>
> >> >Date: Fri, 25 May 2007 09:19:23 -0700
> >> >From: Dylan Beaudette <dylan.beaudette at gmail.com>
> >> >Subject: Re: [GRASS-user] problems with r.cost
> >> >To: grassuser at grass.itc.it
> >> >Cc: Gerald Nelson <gnelson at uiuc.edu>, Hamish <hamish_nospam at yahoo.com>,
> >> > Jonathan Greenberg <greenberg at ucdavis.edu>
> >> >
> >> >This would be a great asset to grass6 -- I know several people who
> >> > would directly benefit from this!
> >> >
> >> >cheers,
> >> >
> >> >dylan
> >> >
> >> >On Friday 25 May 2007 05:54, Gerald Nelson wrote:
> >> >> I've emailed with Laura about r.terracost and she would be happy to
> >> >> have someone convert the make file to work with grass6.
> >> >>
> >> >> Jerry
> >> >>
> >> >> ---- Original message ----
> >> >>
> >> >> >Date: Fri, 25 May 2007 17:54:06 +1200
> >> >> >From: Hamish <hamish_nospam at yahoo.com>
> >> >> >Subject: Re: [GRASS-user] problems with r.cost
> >> >> >To: "Jonathan Greenberg" <greenberg at ucdavis.edu>
> >> >> >Cc: grassuser at grass.itc.it
> >> >> >
> >> >> >Jonathan Greenberg wrote:
> >> >> >> Hamish (and all): Paul is working with me on this project, and the
> >> >> >> system we are running it on is a 64-bit debian system with plenty
> >> >> >> of RAM/scratch space (and the version we are using is the 64-bit
> >> >> >> grass release) -- why would memory problems be an issue?  We tried
> >> >> >> lowering the % memory but it doesn't seem to help...
> >> >> >
> >> >> >does it work for a smaller region or coarser resolution? for example
> >> >> > try changing it from 3 to 30m res.
> >> >> >
> >> >> >ie can you determine if is it a 64bit computational error or an
> >> >> > out-of- resources error? (does r.cost work for the spearfish DEM on
> >> >> > your system?)
> >> >> >
> >> >> >I can't answer why memory problems would be an issue, but that
> >> >> > doesn't mean they aren't! Large mem grass is still untested
> >> >> > territory in many places, maybe you have discovered something new.
> >> >> >
> >> >> >Did r.terracost work? How does that compare to r.cost? (if it's
> >> >> > good, I'm thinking maybe Laura would allow us to merge it in CVS as
> >> >> > a companion to r.terraflow, or package as a GEM)
> >> >> >Or does that use GRASS 5 sites as starting/end points and need
> >> >> > porting?
> >> >> >
> >> >> >Hamish
> >> >> >
> >> >> >_______________________________________________
> >> >> >grassuser mailing list
> >> >> >grassuser at grass.itc.it
> >> >> >http://grass.itc.it/mailman/listinfo/grassuser
> >> >>
> >> >> Gerald Nelson
> >> >> Professor, Dept. of Agricultural and Consumer Economics
> >> >> University of Illinois, Urbana-Champaign
> >> >> office: 217-333-6465
> >> >> cell: 217-390-7888
> >> >> 315 Mumford Hall
> >> >> 1301 W. Gregory
> >> >> Urbana, IL 61801
> >> >>
> >> >> _______________________________________________
> >> >> grassuser mailing list
> >> >> grassuser at grass.itc.it
> >> >> http://grass.itc.it/mailman/listinfo/grassuser
> >> >
> >> >--
> >> >Dylan Beaudette
> >> >Soils and Biogeochemistry Graduate Group
> >> >University of California at Davis
> >> >530.754.7341
> >>
> >> Gerald Nelson
> >> Professor, Dept. of Agricultural and Consumer Economics
> >> University of Illinois, Urbana-Champaign
> >> office: 217-333-6465
> >> cell: 217-390-7888
> >> 315 Mumford Hall
> >> 1301 W. Gregory
> >> Urbana, IL 61801
> >
> >--
> >Dylan Beaudette
> >Soils and Biogeochemistry Graduate Group
> >University of California at Davis
> >530.754.7341
>
> Gerald Nelson
> Professor, Dept. of Agricultural and Consumer Economics
> University of Illinois, Urbana-Champaign
> office: 217-333-6465
> cell: 217-390-7888
> 315 Mumford Hall
> 1301 W. Gregory
> Urbana, IL 61801

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