[GRASS5] new v.to.rast2 arrived

Helena hmitaso at unity.ncsu.edu
Sat Mar 24 16:20:30 EST 2001


Markus

if it is well tested both for lines and polygons at least byt its author it would be worth replacing.
Are you going to put it into GRASS5.1 ?
Also, we gave you v.to.rast2 which should not be called v.to.rast2 but
rather v.to.rastdir, because it produces the direction of the line in the resulting
raster (this may be useful not only for modeling preferential flow but
also for getting map of directions for a hiking path, etc.) . It my be worth it
to have Marco look at it and add it as an option or flag into his program
so that we don't have too many modules - it should be simple to implement

Let me know if more explanation is needed for that option or whether I should write
to Marco directly.

Helena


Neteler wrote:

> Hi all,
>
> from Politecnico di Milano, Marco Negretti, I have received an improved
> v.to.rast which improves the vector/raster conversion. Find details
> below (the presentation contains self-speaking images).
>
> Question is if we update the current v.to.rast with this improved
> version (I would say yes...).
>
> The details algorithm description will follow later as it is currently
> to be translated into English.
>
> Regards and many thanks to Marco!
>
>  Markus Neteler
>
> On Fri, Mar 23, 2001 at 03:20:35PM +0100, Marco Negretti wrote:
> > Ciao Markus,
> > I enclose the 'main.c' and an extract, translated in english, from the Trento presentation: i hope it'll be useful to understand the
> > code.
> > The presentation is available in italian at
> > http://www.ing.unitn.it/~zatelli/grass_days_2001/it/slides/grass_days_2001_negretti_biagi.pdf
> >
> > If you need any help, please let me know.
> >
> > Marco
> >
> > ............................................
> > Marco Negretti
> > Politecnico di Milano - Facoltà di Como
> > via Valleggio, 11 - Ufficio V2.8
> > 22100 Como (ITALY)
> > fax    (+39) 031.332.7519
> > e-mail marco at torno.ing.unico.it
> > http://geomatica.ing.unico.it
> > ............................................
> >
>
> --
> Markus Neteler *  University of Hannover
> Institute of Physical Geography and Landscape Ecology
> Schneiderberg 50 * D-30167 Hannover * Germany
> Tel: ++49-(0)511-762-4494  Fax: -3984
>
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