[pstricks] Automate a line drawing routine

Herbert Voss Herbert.Voss at FU-Berlin.DE
Tue Dec 30 20:50:12 CET 2008

David Arnold schrieb:

> \DaveArnold{-1}{-1}{3}{2}

that is no problem.

> Can Herbert's code be adapted with an if...else something or other to  
> accommodate for the fact that the line might exit on the right or the  
> top boundary and might enter on the left or bottom entry? I can make  
> sure that the first point lies to the left and under the second point  
> in \DaveArnold, ensuring positive slope.

please, give some example values for such a case


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