Date: Sun, 27 Aug 2017 08:51:16 -0500 From: Antonio Olivares <olivares14031@gmail.com> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Create a truncated icosahedron with gnuplot or metapost Message-ID: <CAJ5UdcNcEg3PVUVs9W=OyZdujDbtdxYQTZsQgmXYiOwYy9BpPQ@mail.gmail.com>
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Dear freebsd-users, In looking for a way to draw a royalty free soccer ball with open source software like gnuplot or metapost, I have found a promising page http://math.lbl.gov/voro++/examples/platonic/ I have to run the programs there, but the problem becomes how can we shade the pentagons in black. We can create a sphere in gnuplot, but to change the faces into pentagons and hexagons? http://soukoreff.com/gnuplot/ I have found a nice page that uses java to draw a soccerball http://www.hoist-point.com/soccerball.htm If somehow the github code can be converted to metapost?, or generated to get the points and then get the shading correctly. I hope someone can help. I have also looked into metapost extensions by Anthony Phan m3D package http://www-math.univ-poitiers.fr/~phan/m3Dplain.html And unfortunately I do not know enough of metapost coding, other than copying examples and run them on my machines. Is there a nice idiot proof way of drawing a soccerball or a truncated icosahedron with gnuplot or metapost? If anyone can help/advice/suggest please share your thoughts. Best Regards, Antonio
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