v.category problem - was Re: [GRASS-dev] Keywords, help pages...

[Trevor Wiens]

On Thu, 31 Aug 2006 11:52:11 +1200
Hamish <hamish_nospam at yahoo.com> wrote:

> > Trevor wrote:
> > > All that said, if v.category sacrosanct (although it is unclear to
> > > me how this is determined)
> 
> All future GRASS 6.x must be backwards compatible with the original
> GRASS 6.0.0. We can add things, but not change or remove options. The
> idea is that any documentation, books, scripts, apps, data, etc.,
> written for GRASS 6 will work on any future GRASS 6. When we switch to
> GRASS 7 things can change. This is to provide continuity to the user.
> 
> > > the issue remains of how to make things
> > > better. Eric Patton has off list offered to improve some of the
> > > documentation for v.category based on this discussion. I think
> > > however, it would be a good idea to add in Hamish's v.centroids
> > > script with help page into the CVS as it provides an obvious and
> > > convenient way of doing this for users not deeply familiar with the
> > > GRASS 6.x vector modules.
> 
> IMO we should do both.
> 
> > > I also liked the idea of a v.dissolve
> > > script which would make things more convenient and obvious.
> 
> Markus wrote:
> > I don't see any problems to add those two scripts. The sooner, the
> > better :-)
> 
> Ok, will do. I'll take care of the tcl menus and 6.2 backporting too.
> If someone else wants to write the help page, the help is greatly
> appreciated.
> 

Hamish,

I'll look after that and email it to you so you can commit it together.

> 
> One question for the list:
> 
> To use "v.add.centroids" or "v.centroids option=add" ? v.add.centroids
> is more obvious, but v.centroids leaves the door open for future
> options. I have no idea what those options could be, but someone might
> think of something. CVS directory removal & above release restrictions
> make it a pain to change later.
> 

I suppose one could have an option=extract to pull the centroids as
points?

Do you want me to make a v.dissolve script or do you want to do that?

T
-- 
Trevor Wiens 
twiens at interbaun.com

The significant problems that we face cannot be solved at the same 
level of thinking we were at when we created them. 
(Albert Einstein)