第 59 章 Asymptote: The Vector Graphics Language
http://asymptote.sourceforge.net/index.html
$ sudo apt-get install asymptote
http://code.google.com/p/sml4asy/
wget http://sml4asy.googlecode.com/files/sml4asy-0.01.tar.gz
tar zxvf sml4asy-0.01.tar.gz
sudo scp sml4asy-0.01/asy/* /usr/share/asymptote/
test
asy sml4asy-0.01/examples/HelloSML.asy
$ convert HelloSML.eps HelloSML.png