[metapost] [metafont] Intersection not found

luigi scarso luigi.scarso at gmail.com
Sun Sep 2 22:05:33 CEST 2012


Hi
in the following code the paths W and Z have no intersections
with delta:=0, and one with delta =0.0125

path W;
path Z;
numeric delta;
%%delta:=0.0125;
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) ;
numeric t,u; (t,u) = W intersectiontimes Z;
show t,u;
bye.

I'm a bit surprised because I thought that    (96.2548,641.79626)  of Z was
part of W.
With delta=0.0125 I have
t:=0.0217
u:=0.95265


-- 
luigi
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