[pstricks] cutting a part of a figure

[Herbert Voss]

Am 19.08.2013 17:36, schrieb Luís Lopes:

> How can I get rid of it? Only the "elipse" should appear.


> \begin{figure}
> \begin{center}
> \setlength{\fboxrule}{1pt}\setlength{\fboxsep}{2.73mm}
> \fbox{%
> \psset{xunit=1.0cm,yunit=1.0cm,algebraic=true,dotstyle=o,dotsize=3pt
> 0,linewidth=0.8pt,arrowsize=3pt 2,arrowinset=0.25}
> \begin{pspicture*}(-5.8,-4.6)(5.6,4.6)
> \pspolygon[linestyle=none,fillstyle=solid,fillcolor=yellow!20,opacity=0.1](-2.375,3.4977671449)(-2.5,0)(2.5,0)
> \psplotImp[algebraic,linecolor=red,linewidth=0.8pt](-5.8,-4.6)(5.6,4.6){%
> sqrt(5^4-8*5^2*x^2+16*x^4+8*5^2*y^2+32*x^2*y^2+16*y^4)*(-5^2+sqrt(5^4-8*5^2*x^2+16*x^4+8*5^2*y^2+%
> 32*x^2*y^2+16*y^4)+4*x^2-4*y^2)-32*3.8965145303^2*x^2}

use
\psplotImp[algebraic,linecolor=red,linewidth=0.8pt](-6,-5)(6,5){%

the area of \psplotImp must be greater than the one for the clipping
area of pspicture*

Herbert


> \parametricplot[linecolor=magenta]{-0.16953679806865107}{3.3101351699722725}{1*4.2278836313*cos(t)+0*4.2278836313*sin(t)+0|0*4.2278836313*cos(t)+1*4.2278836313*sin(t)+0}
> \psline[linewidth=1.2pt](-2.5,0)(2.5,0)
> \psline[linewidth=1.2pt](-2.375,3.4977671449)(2.5,0)
> \psline[linewidth=1.2pt](-2.375,3.4977671449)(-2.5,0)
> \psplot{-6.6411207657}{-2.5}{(-0-0*x)/-3.3049159284}
> \psplot{2.5}{6.7033147624}{(-0-0*x)/3.1057959135}
> \psline[linecolor=blue](-2.375,3.4977671449)(-0.6578947368,0)
> \rput[tl](-0.20,-0.12){$\magenta{M_{_a}}$}
> \rput[tl](-0.86,-0.12){$\blue{D_{_{\!a}}}$}
> \rput[tl](-1.23,1.58){$\blue{\mathfrak{d}_{_{\!a}}}$}
> \rput[tl](5.20,-1.95){$\red{\mathfrak{C}}$}
> \rput[tl](1.65,4.35){$\magenta{\phi_{_1}}$}
> \rput[tl](-3.58,-0.12){$\mathfrak{a}$}
> \psdots[dotstyle=*,linecolor=blue](-2.375,3.4977671449)
> \rput[bl](-2.52,3.70){$A$}
> \psdots[dotstyle=*,linecolor=blue](-2.5,0)
> \rput[bl](-2.63,-0.37){$B$}
> \psdots[dotstyle=*,linecolor=blue](2.5,0)
> \rput[bl](2.36,-0.37){$C$}
> \psdots[dotsize=2pt 0,linecolor=blue](-0.6578947368,0)
> \psdots[dotsize=2pt 0,linecolor=magenta](0,0)
> \rput[tc](-0.1,-4.4){Triangle dados \texttt<$\,a,m_{_a},d_{_a}$\texttt>}
> \end{pspicture*}}
> \caption{Exercicio 169 --- Quarto procedimento.}
> \label{figuraexer169c}
> \end{center}
> \end{figure}
>
>
>
>
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