[GRASS-user] integration of sample.c algorithms into r.resample

[Dylan Beaudette]

On Monday 14 August 2006 08:11, Dylan Beaudette wrote:
> On 8/14/06, Glynn Clements <glynn at gclements.plus.com> wrote:
> > Dylan Beaudette wrote:
> > > How about this:
> > > 1. keep r.resample and update the documentation accordinly.
> > > 2. toss r.bilinear, possibly leave a note somewhere in the docs
> >
> > Or replace it with a script which calls "r.interpolate method=bilinear".
> >
> > > 3. create a new module 'r.resample.3' (?) for the three methods that it
> > > would do? or 'r.interpolate' (?)
> >
> > I prefer r.interpolate.
>
> This works for me.
>
> > > Note: the r.interpolate name would make sense for moving from larger to
> > > smaller grid spacing ( 100m -> 10m), however it wouldn't make as much
> > > sense for moving from smaller to larger grid spacing (10m -> 100m).
> >
> > Even in that case, it will normally still perform interpolation. The
> > only case where no interpolation occurs is when the new resolution is
> > an exact multiple of the old resolution and the alignment is correct.
>
> I am working up a test case for this, cobbling together an
> 'r.interpolate' via a series of commands to show the differences to
> r.resample.

ooops, this should have said 'cobbling together a 'r.aggregate' module.



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