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Hello,<br>
<br>
I construct a macro psSinusLine<br>
<br>
%%%%%%%%%%%%<br>
\documentclass{article}<br>
\usepackage{pst-coil}<br>
\usepackage{pst-plot}<br>
\usepackage{pstricks-add}<br>
\makeatletter<br>
\newcommand{\psSinusLine}{}<br>
\def\psSinusLine{\@ifnextchar[%]<br>
{\psSinusLine@i}{\psSinusLine@i[]}<br>
}<br>
\def\psSinusLine@i[#1](#2)(#3){%<br>
\psset{#1}<br>
\pst@getcoor{#2}\pst@tempA<br>
\pst@getcoor{#3}\pst@tempB<br>
\rput{!%<br>
\pst@tempA /YA exch \pst@number\psyunit div def<br>
/XA exch \pst@number\psxunit div def<br>
\pst@tempB /YB exch \pst@number\psyunit div def<br>
/XB exch \pst@number\psxunit div def<br>
YB YA add XB XA add atan<br>
}(#2){\psplot{XA}{XB XB mul YB YB mul add sqrt}{10 x mul
RadtoDeg sin 0.15 mul}}%<br>
\ignorespaces<br>
}<br>
\makeatother<br>
\begin{document}<br>
\begin{pspicture}(3,3)<br>
\psSinusLine[arrows=*-*,](0,0)(3,3)<br>
\end{pspicture}<br>
\end{document}<br>
%%%%%%%%%%%%%%%%%<br>
<br>
It is very difficult to include the side conditions. <br>
<br>
regards<br>
Marco<br>
<a href="http://dict.leo.org/ende?lp=ende&p=5tY9AA&search=condition"></a>
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