880页LaTeX&tikz&pgf学习指导书。 Thepgfpackage,where\pgf"issupposedtomean\portablegraphicsformat"(or\pretty,good,functional"ifyouprefer...),isapackageforcreatinggraphicsinan\inline"manner.ItdenesanumberofTEXcommandsthatdrawgraphics.Forexample,thecode\tikz\dr