Hello,

is it possible that Lua gets value of a MetaPost variable?

Let's have MetaPost code:

z11=(0,0)
z12=(1,1)
z21=(0,1)
z22=(1,0)

aa[z11,z12]=bb[21,z22]

So now aa = bb = 0.5.

And I'd need to access MetaPost values 'aa' and 'bb' from Lua (e.g. in Lua: "local a 
= mpost.aa, b = mpost.bb").

Is it possible somehow?

Regards,

Lukas

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