平行四边形TikZ作图

 1  %!TEX program = pdflatex
 2 documentclass[varwidth=true, border=2pt]{standalone}
 3 
 4 usepackage{tikz}
 5 usepackage{mathpazo}
 6 
 7 usetikzlibrary{arrows}
 8 usetikzlibrary{decorations.markings}
 9 
10 egin{document}
11 egin{tikzpicture}[x=.5cm,y=.5cm]
12 draw [<->,>=stealth'] (0,8) node [label = left:{$y$}]{} -- (0,0) -- (12,0) node[label = below:{$x$}]{};
13     grid[xstep=.5cm, ystep=.5cm] (4,4);
14     draw (0,0) -- (5*1.414,0) -- (5+5*1.414,5) -- (5,5) -- cycle;
15     draw[fill=green!10] (0,0) -- (5*1.414,0) -- (5+5*1.414,5) -- (5,5) -- cycle;
16     draw (0,0)node[label = below:{$(0,0)$}]{};
17     draw (5*1.414,0)node[label = below:{$(sqrt{2},0)$}]{};
18     draw (5+5*1.414,5)node[label = above:{$(sqrt{2}+1,1)$}]{};
19     draw (5,5)node[label = above:{$(1,1)$}]{};
20   end{tikzpicture}
21 end{document}
Parallelogram Drawing