\documentclass[a4paper,12pt]{report}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\usepackage{geometry}
\usepackage{pstricks}
\usepackage{pst-node}
\usepackage{pst-plot} 		
\parindent=0pt
\newsavebox\IBox

\begin{document}



\begin{figure}
\psset{unit=1cm}

\sbox\IBox{\includegraphics[width=120.65mm]{cie.eps}}
\begin{pspicture}(-2.5,-0.5)(\wd\IBox,1.4\ht\IBox)
	
	
% Bild:
	\rput[lb](-0.995,-0.993){\usebox\IBox}		
	
	
	\psgrid[subgriddiv=1,
	subgriddots=2,
	subgridcolor=black,
	griddots=2,
	subgridwidth=0.6pt,
	gridlabels=0pt](0,0)(10,10)
	
	\psaxes[Dx=0.1,dx=1,Dy=0.1,dy=1,
	tickstyle=bottom,
	axesstyle=frame,
	linewidth=0.5pt](0,0)(10,10)



\psset{unit=10cm}

% Farbraum blau
\pspolygon[linecolor=blue,
linewidth=0.3pt,
showpoints=true]
(.418,.473) % Y
(.502,.316) % R
(.402,.200) % M
(.240,.220) % B
(.147,.308) % C
(.236,.545) % G

\psline[linecolor=blue,linewidth=0.3pt,linestyle=solid,showpoints=true]( .5 , .9 ) ( .6 , .9 )
\rput[l]( .62 , .9 ){ Farbraum 1 }



% Farbraum rot
\pspolygon[linecolor=red,
linewidth=0.3pt,
showpoints=true]
(.242,.510) % G
(.450,.525) % Y
(.537,.296) % R
(.433,.202) % M
(.184,.253) % B
(.133,.431) % C

\psline[linecolor=red,linewidth=0.3pt,linestyle=solid,showpoints=true]( .5 , .86 ) ( .6 , .86 )
\rput[l]( .62 , .86 ){ Farbraum 2 }





% Farbraum gelb
\pspolygon[linecolor=yellow,
linewidth=0.3pt,
showpoints=true]
(.264,.626) % G
(.502,.476) % Y
(.651,.328) % R
(.399,.180) % M
(.160,.069) % B
(.160,.271) % C

\psdots*[dotstyle=x,linecolor=yellow]( .3433,.35864 )

\psline[linecolor=yellow,linewidth=0.3pt,linestyle=solid,showpoints=true]( .5 , .82 ) ( .6 , .82 )
\rput[l]( .62 , .82 ){ IT8.7/2-Testchart, D50 }

	
\end{pspicture}
\caption{Zweidimensionale Darstellung des CIE-xyY-Farbmodells}
\end{figure}


\end{document}
