Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: RE: Drawing an arrow from textbox to point [Stata 8]


From   Raphael Fraser <raphael.fraser@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Drawing an arrow from textbox to point [Stata 8]
Date   Wed, 18 May 2005 08:38:33 -0500

Nick,

Thank you! The example was very helpful. I had only one small problem:
the -lcolor- option did not work.I recieved the following error
message

[option lcolor() not allowed invalid syntax]

 Just how easy is it drawing an arrow in Stata 9.


On 5/18/05, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> Here is a daft example showing one way to build
> your own arrow as three line segments:
> 
> sysuse auto
> 
> scatter mpg weight, text(41 2650 "top car")
>         || scatteri 41 2100 41 2500 , lcolor(black) recast(line)
>         || scatteri 41 2100 41.3 2200, lcolor(black) recast(line)
>         || scatteri 41 2100 40.7 2200, lcolor(black) recast(line)  legend(off)
> 
> Neat arrows at some orientation other than vertical or horizontal
> would require some trigonometry. The angle between barb and shaft
> looks OK to many tastes at about 30 degrees. Stata 9 uses a default of
> 28.6 degrees, better known as 0.5 radian.
> 
> There is more on arrows in Stata 9 in a forthcoming Tip in
> Stata Journal 5(2).
> 
> Nick
> n.j.cox@durham.ac.uk
> 
> Nick Cox
> 
> > Possible, but much easier in Stata 9.
> >
> > In Stata 8, you would need to create
> > the elements of an arrow as line segments using
> > calls to various parts of -twoway-. At least,
> > that's the only way I know.
> 
> Raphael Fraser
> 
> > > Is it possible to have an arrow directed to a single point
> > from a text box in stata.
> 
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index