[metapost] draw a single-stroke curve

[luigi scarso]

On Sat, Feb 4, 2012 at 5:44 AM, Qianqian Fang <fangqq at gmail.com> wrote:
> hi list
>
> I want to produce a single-stroke curve in
> metapost and import to fontforge, a vector
> font editor.
>
> I used the "draw" command and output to
> a ps file, then import the ps file to fontforge.
> I realize that, even I set the pen width to 0, the
> imported ps graph is always an outline object:
> every stroke is a thin closed contour.
>
> what command I should use in metapost to
> produce a ps file that can have single-stroke
> one-directional curves?
What about svg export ?

-- 
luigi