[metapost] Re: all intersections between two paths

Larry Siebenmann laurent at math.toronto.edu
Thu Jan 20 06:44:04 CET 2005

On Sun, 16 Jan 2005 19:12:28 +0100 (CET)
Boguslaw Jackowski wrote:

 > Below there is the definition of the `find_BB' procedure
 > that finds lower left and upper right coordinates (xl_crd,
 > yl_crd, xh_crd, and yh_crd, respectively) for a given set
 > of curves.

Very nice indeed. The macros would make a fine addition to a MF 
tools section on CTAN.

To serve the same need Laurence Finston wrote suggested
Sun, 16 Jan 2005 17:53:50 +0100

 > How about (0, h) and (w, -d)

Can this be made into a *useful* alternative to Jacko's 
MF marcos?

When writing macros common to MF and MP, is there
a *conventional* way for macros to decide which of MF or MP
is running?


Laurent Siebenmann

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