[GRASSLIST:2356] Re: How to print labels along line with v.label ?

[Radim Blazek]

I think that v.in.tig.basic writes 'area edges' not 'lines'
and v.label works with lines only. Try v.area2line

Radim


On Sunday 25 January 2004 17:40, Dave Haffner wrote:
> Hello,
>
> I'm need some gr-assistance in developing a home-grown
> map of Washington, DC for a communtiy mapping project.
> I'm using GRASS 5.0.3 to map TIGER/Line files, and I'm
> having difficulty labeling streets along the line,
> i.e. with the text parallel to the streets. The
> v.label command says it will do this, but I haven't
> been able to get it to.
>
> Here's an example of what I've tried:
>
> GRASS:~ > v.in.tig.basic t1=TGR11001.RT1
> t2=TGR11001.RT2 out=16th tlid=16th_tlid
> spheroid=grs80 zone=18 -t
>
>   The file 16th_tlid contains the tlid of the street I
> want to map "76222262"
>
> GRASS:~ > d.mon start=x0
> GRASS:~ > d.vect map=16th
>
>   And my line shows up fine.
>
>   Next, I have a file named 16th_label that contains
> the text "76222262 16th Street", and I try to use this
> as input for v.label.
>
> GRASS:~ > v.label map=16th text=16th_label label=16th
> color=white
>
>   But all I get from GRASS is:
>
> Labeled 0 lines.
>
> Am I doing something wrong?
>
> I've read all of the pertinent sections of the
> Programmers Manual, Reference Guide, the Regis
> Tutorial, the UDel tiger labs, and this GRASS list.
> Exhausting the web, I've come up dry on how to get
> labels to print the way I want them. You guys are my
> last resort.
>
> I understand the labels won't print along line on my
> monitor, and that I'll need to use ps.map to achieve
> this. Will the 'label' command in ps.map know to
> rotate the labels?
>
> Thanks for your time,
> Dave Haffner
>
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