[metapost] [metafont] Intersection not found

[luigi scarso]

On Mon, Sep 3, 2012 at 6:42 AM, Dirk Laurie <dirk.laurie at gmail.com> wrote:

> 2012/9/2 luigi scarso <luigi.scarso at gmail.com>:
>
> > delta:=0.0;
> > W:= (98.7548,641.79626+delta) .. controls (90.11118,641.79578) and
> > (81.92762,638.4686) .. (76.0048,632.54578) ;
> > Z:= (136.89632643855,644.96996896103) .. controls
> > (123.53464210923,642.829621773) and (109.9003277095,641.79626) ..
> > (96.2548,641.79626) ;
>
> > I'm a bit surprised because I thought that    (96.2548,641.79626)  of Z
> was
> > part of W.
>
> You have two points with the same y coordinate.
>
> (98.7548,641.79626)
> (96.2548,641.79626)
>
> They can't both be on the graph of the same strictly monotone function.
>
yes, true.
I missed that the second control point of Z is (109.9003277095,641.79626).
-- 
luigi
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