[GRASS-dev] PROPOSAL: v.edit WAS: d.* commands

[Maciek Sieczka]

Sounds well thought to me!

Best,
Maciek


On Thu, 25 May 2006 00:49:38 +0300 (EEST)
Wolf Bergenheim <wolf+grass at bergenheim.net> wrote:

> On Wed, 24 May 2006, Michael Barton wrote:
> >>
> >> If this is something that I can do, I would like to try and get a
> >> few of the more important ones updated before the feature freeze.
> >> I am not a great C coder, however, so this could get ugly.
> >
> > Thanks very much for offering to help. IMHO, the most valuable
> > thing anyone could do to make GRASS 6.2 a complete system would be
> > to port i.points and/or v.digit to the new architecture so that
> > they could work in a TclTk canvas rather than requiring X11. NVIZ
> > seems already on track to get there soon.
> >
> 
> How about making a v.edit that would work a bit like this:
> 
> v.edit task=[add,del,move,etc..] what=[point,line,centroid]
>         db=[an SQL statement for UPDATE
>         args=[task and what specific]
> 
> so for example to add a new point one could call
> 
> v.edit task=add what=point db='name="survey location 73" depth=34'
> args=x=25.242424,y=34.45634
> 
> and to add a line one could call
> 
> v.edit task=add what=line db='name="road #73" speed=70'
> args=25.242424:34.45634,25.34343:34.34353,25.6754:34.6453
> 
> delete is trivial
> 
> v.edit task=del what=line args=345
>  				^This is the cat ID.
> 
> Just as an idea. If you like this I can start working on defining the 
> syntax so that one can edit all sorts of shapes. Another possibility
> would be that it would read commands from a file (or stdin). Which
> would you guys prefer?
> 
> If reading from a file then the syntax can be more complex (even XML
> if we want it to).
> 
> --Wolf
> 
> -- 
> 
> <:3 )---- Wolf Bergenheim ----( 8:>
> 
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