[GRASSLIST:5238] Re: vector question

[Ivan Marchesini]

Dear Radmin,
It seems that your modules are perfect for my intentions....
really you can put them on the Web???
I would be really gratefull !!!!!!!
Thank for your answer!!!!!

Thank you very much to all others answer me....

Bye

 ivan 









Alle 13:27, giovedì 19 dicembre 2002, Radim Blazek ha scritto:
> On Thursday 19 December 2002 12:31 am, Ivan Marchesini wrote:
> > Hello to all
> >
> > have you idea how I can do a unusual thing with grass???
> > I would like to draw a vector polyline (not straigth) using v.digit and
> > then to obtain some straigth line, regulary spaced, perpendicular to the
> > polyline..... like this:           --|----|----|----|----|--
> > the problem is that I need a large number of these perpendiculars and I
> > would like to obtain them automatically after drawed the polyline......
> >
> > :-)
> >
> > I know it is a unusual question but I hope someone can help me......
> > thank you....
> >
> > Bye Ivan
>
> Something like http://mpa.itc.it/radim/g51/lrs1.png ?
>
> I have some first modules for Linear reference system (LRS) in GRASS:
> v.lrs.create - create LRS from lines and points (milestones)
> v.lrs.segment - create events (points/segments) for existing LRS
>                 and given distances
> v.lrs.stationing - create stationing + labels along the lines for
>                    existing LRS
>
> If you don't need real LRS (i.e. you don't need to work with some
> reference system used in real world like kilometers along the roads)
> you could modify (simplify) v.lrs.stationing.
> It is not yet in CVS but if you are interested I can put it on the Web.
>
> Radim