[pstricks] Requesting a feature to declare and invoke nodes in pst-eucl

Donut E. Knot the.counterterrorist at yahoo.com
Fri Feb 14 09:28:22 CET 2014


Dear folks,

The current implementation of pst-eucl, the dots and labels are rendered at the time the nodes are defined. As a result, the dots and labels are put on the bottom layer. For some scenarios, it becomes an issue.


In my scenario below, I want the dots and labels to be rendered after the \pspolygon. It is impossible for the current state of pst-eucl. 


\documentclass[pstricks,border=12pt]{standalone}
\usepackage{pst-eucl}
\begin{document}
\begin{pspicture}(4,4)
\pstGeonode[PosAngle={30,150,-90},PointNameSep=12pt]{A}(4,0){B}(2,4){C}
\pspolygon[fillstyle=solid,fillcolor=blue,opacity=.5](A)(B)(C)
\end{pspicture}
\end{document}

I have an idea to solve the issue above by defining two new macros:

	* \pstDeclareNodes just for defining nodes but not stroking them.

	* \pstInvokeNodes for stroking dots and labels of the previous defined nodes.
The following pseudo-code tells my idea.

\documentclass[pstricks,border=12pt]{standalone}
\usepackage{pst-eucl}
\begin{document}
\begin{pspicture}(4,4)
\pstDeclareNode[PosAngle={30,150,-90},PointNameSep=12pt,SaveStateTo=<identifier>]{A}(4,0){B}(2,4){C}
\pspolygon[fillstyle=solid,fillcolor=blue,opacity=.5](A)(B)(C)
\pstInvokeNode[CurveType=polygon,PointSymbol=none,etc]{<identifier>}
\end{pspicture}
\end{document}


What do you think?


Thank you in advance.


Best regards,

The Last Error

(http://tex.stackexchange.com/users/19356/)
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