[NTG-context] Here's a strange one for Metapost gurus

[David Arnold]

Hartmut,

Good eyes! Exactly right, or should I say xright?

Thanks.

At 05:08 PM 1/4/04 +0100, you wrote:
>Hi David,
>
>it happens already in figure 6! By writing
>
>path left;
>...
>path right;
>
>you have redefined internal things "left" and "right". With e. g.
>
>  %draw spring block left
>  path xleft;
>  xleft:=(2,9)--(3,9)--(3,11)--(2,11)--cycle;
>  xleft:=xleft scaled u;
>  stripe_path_a(withcolor black)(draw)
>  xleft withcolor white;
>  draw (3u,9u)--(3u,11u);
>
>  %draw spring block right
>  path xright;
>  xright:=(17,9)--(18,9)--(18,11)--(17,11)--cycle;
>  xright:=xright scaled u;
>  stripe_path_a(withcolor black)(draw)
>  xright withcolor white;
>  draw (17u,9u)--(17u,11u);
>
>it works.
>
>Regards, Hartmut
>
>
>------------------------------------------------------------------------
>Hartmut Henkel, Oftersheim, Germany
>------------------------------------------------------------------------
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