[GRASS-user] i.rectify update in 6.4

[Markus Neteler]

On Mon, May 9, 2011 at 6:03 PM, Markus Metz
<markus.metz.giswork at googlemail.com> wrote:
> Hi all,
>
> the image rectification tool i.rectify has been updated in GRASS 6.4
> as of r46222, after extensive testing in 6.5 and 7.0. Scripts work as
> before, but should execute faster.
>
> There are new options, one to select the resampling method (nearest,
> bilinear, bicubic), one to set the target resolution, and one to
> control memory usage of the module. These options are similar to
> r.proj, which performs conceptually similar operations, namely
> translating coordinates and fetching (resampling) the corresponding
> pixel from the source image.

I have made a test with the old and new version in GRASS 6.4.svn (using
bilinear resampling):
- it is WAY faster
- the result is pretty nice and matches well the old results except for the
  differences originating from the different resampling method.

great job,
Markus