[texhax] tikz: arrows "in the middle"

[Victor Ivrii]

On Wed, Jun 23, 2010 at 11:47 AM, Victor Ivrii <vivrii at gmail.com> wrote:
> There are two and a half questions I cannot find in pgf manual:
>
> 1) I want to connect two points by a line with an arrow but I want an
> arrow to be"in the middle":
>
> \draw [->] (0,0)--(0,2);
> \draw (0,2)--(0,4);
>
> seems to be cumbersome; it becomes really bad if the line is curved by
> ..controls..
>
> 2) I want path like
>
>
> \draw [->] (0,0)--(0,2)--(1,1)--(0,0);
>
> but with arrow tips
>
> \draw [->] (0,0)--(0,2);
> \draw [->] (0,2)--(1,1);
> \draw [->] (1,1);--(0,0);
>
> also seems to be too cumbersome;
>
> 2') I want path like in 2) but with an arrows like in 1)
>
> Are there any shortcuts?
>
> Thanks!
>
> Victor
>

It looks like decorations.markings does almost what I want

Victor

-- 
========================
Victor Ivrii, Professor, Department of Mathematics, University of Toronto
http://www.math.toronto.edu/ivrii