[GRASS-dev] GRASS7 ImageryLib

[Markus Neteler]

On Fri, Nov 30, 2012 at 5:26 AM, Mohammed Rashad
<mohammedrashadkm at gmail.com> wrote:
>
> All,
>
>
> I found these here[1] and says many things which needed help. So I thought
> to give a try in order
>
>
> 1. Imagery Library needs fundamental clean up (the library is not maintained
> from GRASS 5)
>
> Anyone can elaborate on this line?

Fully agreed.

It might be sensible to merge the various image libraries:

GRASS 6/7:
* lib/imagery/: standard lib, in use (i.* except for i.points3,
i.rectify3, see below)
* imagery/i.ortho.photo/libes/: standard lib, in use (i.ortho.photo, photo.*)

GRASS 5 (! only) image3 lib:
* libes/image3/: never finished improvement which integrated the
standard lib and the ortho lib. Seems to provide also ortho
rectification for satellite data (i.points3, i.rectify3)

GRASS 5/6 image proc commands:
* merge of i.points, i.vpoints, i.points3 (see above)
* merge of i.rectify and i.rectify3 (see above)

Overall
* add other warping methods (maybe lanczos or thin splines from GDAL?)

However, the library cleanup in GRASS 7 would be essential.

> 2. Reimplement groups to be generic element (in GIS Library)
>
> I guess i.group module should be g.group which can groups both raster/vector
> maps
>
> Is that correct?

Correct I don't know, maybe subject to discussion.

Best
Markus