doc-en/par-opacity-en.tex

   1 \section{Nuances of \Index{transparency}}
   2
   3 The key value \texttt{\Lkeyword{opacity}=$k$} with $k \in \mathbb{R}$ and $0\leq
   4 k\leq 1$, allows you to define the level of \Index{opacity}.
   5
   6 Within \textit{jps code}, we use an equivalent expression
   7 \texttt{$k$ setfillopacity}. The last expression finds its application in the option \Lkeyword{fcol}. For example the instruction,
   8 \verb+fcol=0 (.5 setfillopacity yellow)+,
   9 which defines the face with the index number 0, sets it to yellow with an opacity of 50\%.
  10
  11 \endinput