[GRASS-user] Scientific Comparison between GRASS and Proprietary Remote Sensing/GIS Software

Carlos "Guâno" Grohmann carlos.grohmann at gmail.com
Mon Jul 9 05:24:42 EDT 2007


This is it so far, but like I said, its _submitted_ I haven't received
anything back from the reviewers yet....

Steiner, S.S., Grohmann, C.H., 2007. A comparison between ArcGIS and
GRASS-GIS in elaboration and manipulation of morphometric parameters.
Submitted to Computers & Geosciences.

cheers

Carlos


On 7/9/07, Jan Hartmann <j.l.h.hartmann at uva.nl> wrote:
> Hi Firman,
>
> Could you send us a reference to your paper?
>
> Jan Hartmann
>
> Dr. J. Hartmann
> Department of Geography
> University of Amsterdam
>
> Carlos "Guâno" Grohmann wrote:
> > Hello Firman,
> >
> > My colleague an I  just submitted a paper about a comparison between
> > GRASS and ArcGIS, using morphometric maps as a base. In general terms,
> > they both give similar results, except when there was an interpolation
> > with clustered data (points clustered along streamlines but with
> > clusters far from each other). In this case, GRASS produced a very
> > nice result, while ArcGIS made a really bad interpolation.
> >
> > Other the one hand, I guess some things are easier to do in some
> > proprietary software, most of them have better map-producing
> > capabilities than GRASS and GRASS lacks some more interactive tools
> > (like interactive histogram stretching, color table manipulation for
> > vector maps etc).
> >
> > On the other hand, you can do things in GRASS you couldn't even think
> > about in proprietary GIS. Consider how powerful r.mapcalc is, see the
> > beauty of a NVIZ session (all my ArcGIS friends are impressed with
> > NVIZ), or even how easy it is to adapt some piece of code to suit your
> > needs (I had to do that, I needed larger neighborhoods than
> > r.neighbors default maximum size - 25 - so I just changed in the code
> > and recompiled).
> >
> > my two cents
> >
> > Carlos
> >
> >
> >
> >
> >
> > On 7/9/07, Firman Hadi <firman.hadi at crs.itb.ac.id> wrote:
> >> Dear all,
> >>
> >> One week ago I had a discussion with someone who is expert in remote
> >> sensing.
> >> It was a really nice discussion though we have a different perspective
> >> in using software.
> >> I prefer to use GRASS, because it's an open source software while he
> >> prefer to use
> >> proprietary software. He believed that GRASS can't do some tasks that
> >> proprietary softwares do.
> >> He thought that GRASS is not mature enough to be used. He asked me some
> >> prove that the results from GRASS is the same with proprietary software.
> >> For me, it will be better if I bring actual comparison between GRASS and
> >> proprietary software, though maybe it will take some time.
> >> Is there any link or arguments to give an accurate explanation for such
> >> kind of people?
> >> Thanks.
> >>
> >> --
> >> Firman Hadi,
> >> Center for Remote Sensing - ITB
> >> Labtek IXC, 3rd Floor
> >> Jl. Ganesha No. 10
> >> Bandung - INDONESIA
> >> http://crs.itb.ac.id
> >> Blog: http://jalmiburung.wordpress.com
> >>
> >> _______________________________________________
> >> grassuser mailing list
> >> grassuser at grass.itc.it
> >> http://grass.itc.it/mailman/listinfo/grassuser
> >>
> >
> >
>


-- 
+-----------------------------------------------------------+
              Carlos Henrique Grohmann - Guano
  Visiting Researcher at Kingston University London - UK
  Geologist M.Sc  - Doctorate Student at IGc-USP - Brazil
Linux User #89721  - carlos dot grohmann at gmail dot com
+-----------------------------------------------------------+
_________________
"Good morning, doctors. I have taken the liberty of removing Windows
95 from my hard drive."
--The winning entry in a "What were HAL's first words" contest judged
by 2001: A SPACE ODYSSEY creator Arthur C. Clarke




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