[pstricks] Curved Line Connecting Two Points

[Christoph Bersch]

Hi,

Am 11.07.2013 20:58, schrieb Rich Shepard:
> I thought that \psarc was the appropriate
> function but it cannot be specified by the start and end point coordinates.
> The attached figure needs the 'physical' and 'biological' ellipses
> connected.
>
>     What is the apprpriate tool for this?

in you case you can use e.g.

\pccurve[angleA=-135, angleB=135, arrows=->](4,11)(4,3)

see `texdoc pst-node` for more parameters (ncurv, nodesep etc.)

If you have more graphs like this, you may want to use \ovalnode or 
\circlenode (also in pst-node).

Christoph