[pstricks] (no subject)

[Juergen Gilg]

Hi Hamed,

here an example file to experiment around a little and to be modified to 
your special needs:


\documentclass[12pt,a4paper]{article}
\usepackage{geometry}
\geometry{tmargin=1cm,bmargin=1cm}
\usepackage{pst-plot}
\begin{document}

Without clipping

\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \psplot{0}{3}{3 x x mul 3 div sub}
  \psplot{0.5}{4}{2 x div}
\end{pspicture}
\hfill
\begin{pspicture}(-0.5,-1)(4,4)
  \psframe*[linecolor=lightgray](4,4)
  \psaxes(4,4)
  \psplot{0.5}{4}{2 x div}
  \psplot{0}{3}{3 x x mul 3 div sub}
\end{pspicture}

Without and with \verb|\psclip|

\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \pscustom[linecolor=red]{%
    \psplot{0.5}{4}{2 x div}
    \lineto(4,4)}
  \pscustom[linecolor=blue]{%
    \psplot{0}{3}{3 x x mul 3 div sub}
    \lineto(0,0)}
\end{pspicture}
\hfill
\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \begin{psclip}{%
    \pscustom[linecolor=red]{%
       \psplot{0.5}{4}{2 x div}
       \lineto(4,4)}
       \pscustom[linecolor=blue]{%
         \psplot{0}{3}{3 x x mul 3 div sub}
         \lineto(0,0)%
       }%
  }
  \psframe*[linecolor=lightgray](4,4)
  \end{psclip}%
\end{pspicture}

The next two versions are wrong,
but this is important to understand why... (both with \verb|\psclip|

\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \begin{psclip}{\pscustom[linecolor=red]{%
                   \psplot{0.5}{4}{2 x div}}
                 \pscustom[linecolor=blue]{%
                   \psplot{0}{3}{3 x x mul 3 div sub}}}
    \psframe*[linecolor=lightgray](4,4)
  \end{psclip}%
\end{pspicture}
\hfill
\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \begin{psclip}{\pscustom[linecolor=red]{%
                   \psplot{0.5}{4}{2 x div}}
                 \pscustom[linecolor=blue]{%
                   \psplot{0}{3}{3 x x mul 3 div sub}}}
    \psframe*[linecolor=lightgray](4,4)
  \end{psclip}%
  \psline[linecolor=green](0,3)(3,0)
\end{pspicture}


\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \begin{psclip}{\pscustom[linecolor=red]{%
                   \psplot{0.5}{4}{2 x div}
                   \lineto(4,4)}
                 \pscustom[linecolor=blue]{%
                   \psplot{0}{3}{3 x x mul 3 div sub}
                   \lineto(0,0)}}
    \psframe*[linecolor=lightgray](4,4)
  \end{psclip}%
  \psplot{0}{3}{3 x x mul 3 div sub}
  \psplot{0.5}{4}{2 x div}
\end{pspicture}
\hfill
\begin{pspicture}(-0.5,-1)(4,4)
  \psaxes(4,4)
  \begin{psclip}{\pscustom[linestyle=none]{%
                   \psplot{0.5}{4}{2 x div}
                   \lineto(4,4)}
                 \pscustom[linestyle=none]{%
                   \psplot{0}{3}{3 x x mul 3 div sub}
                   \lineto(0,0)}}
    \psframe*[linecolor=lightgray](4,4)
  \end{psclip}%
  \psplot{0}{3}{3 x x mul 3 div sub}
  \psplot{0.5}{4}{2 x div}
\end{pspicture}

\end{document}


These examples are setup on

http://tug.org/PSTricks/main.cgi?file=Examples/clip

Regards,

Juergen

Hamed wrote:
>
> Hi,
>
> Can we do it for a region bounded by two curve  like the region 
> bounded by y=x and  y=x^2 for example. Thanks a lot.
>
>  
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> pstricks mailing list
> pstricks at tug.org
> http://tug.org/mailman/listinfo/pstricks
>   

-- 
  jürgen gilg
  austr. 59
  70376 stuttgart

tel       0711-59 27 88
e-mail    gilg at acrotex.net
webpage   www.acrotex.net
          www.gilligan-online.de

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