[pdftex] PDF fonctions(type 4) in PS

Daniel Garcia danitous at yahoo.es
Mon Aug 6 08:57:43 CEST 2001


I am learning PDF and PostScript. I would like to ask
you if it is posible to use type 4 PDF
fonctions(Postscript calculator) in Postscript for use
with shading patterns. I have searched in the
Postscript Reference of Adobe (Level 3) and I didn't
find the way. The PostScript fonctions are sampled
fonctions or exponentials interpolations, what I would
like to use is a fonction like f(z)=sin(x)*sin(y) for

Thank you

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