Custom Path Diagram
A pscustom path composing lines and curves into a labeled figure.
Rendering LaTeX…
Source
\psset{unit=1cm}
\begin{pspicture}(-1,-3)(9,4)
\pscustom[fillstyle=solid,fillcolor=gray!40,linestyle=none]{
\psline[linewidth=1 pt](0,0)(4,1.2)
\psline[linewidth=1 pt](4,1.2)(8.4,0)
\psline[linewidth=1 pt](8.4,0)(4,-1.2)
\psline[linewidth=1 pt](4,-1.2)(0,0)
}
\psline[linewidth=1 pt](0,0)(4,1.2)
\psline[linewidth=1 pt](4,1.2)(8.4,0)
\psline[linewidth=1 pt](8.4,0)(4,-1.2)
\psline[linewidth=1 pt](4,-1.2)(0,0)
\rput(0.78,0){$W$}
% new vector
\rput(6,3.3){$x$}
\psline[linewidth=1.5 pt,linecolor=red]{->}(2.2,0.2)(6,3)
% new vector
\rput(6.35,1.5){$\mathcal{E}_N$}
\psline[linewidth=1.5 pt]{->}(6,0)(6,3)
% new vector
\rput(4,-0.3){$\hat{x}_N$}
\psline[linewidth=1.5 pt]{->}(2.2,0.2)(6,0)
% new vector
\psline[linewidth=1.5 pt](2.2,0.2)(6,0)
\end{pspicture}