[metapost] [solved] Plotting step functions

[Paul Menzel]

Am Mittwoch, den 07.12.2011, 13:56 -0600 schrieb Troy Henderson:
> How about something like this:
> 
> vardef stepfunc primary p =
> 	save q;
> 	path q;
> 	q:=(point 0 of p) for n=1 upto length p: --(xpart point (n-1) of p,ypart point n of p)--(point n of p) endfor;
> 	q
> enddef;
> 
> and then use it in the following way:
> 
> path p;
> p:=(0,0)--(10,10)--(15,5)--(20,10);
> draw p;
> draw stepfunc p withcolor blue;

Very nice! It looks like exactly what I needed.


Thank you very much,

Paul
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