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What is strange is that if I include .pstex file, the lines are omitted in picture, if I include .eps file (I renamed normal.pstex into normal.eps) than the lines appaired, but the texts on picture are omitted.

This file I obtained from another people, who can run correctly on his computer.

Zoltan

I am using TeXnicCenter, and when I include pstex, e.g. this
\scalebox{0.55}{
\begin{minipage}{\textwidth}
{\input{normal.pstex_t}}
\end{minipage}}

I get the message:
Unknow graphics extension .pstex
And in the PDF file obtained some lines are omitted in the figures.

If I use LATEX->PS->PDF ...

Zap! I found the solution!! If I put
\pgfmathtruncatemacro{\p}{1+mod(\i+\j-1,\n)}
instead of
\pgfmathsetmacro{\p}{1+ mod(\i+\j-1,\n)}
the outcome will be nice.

You are right. Thanks.
But the following example works nice even with node. Why?
(The edges link nodes, and not the centers of the circles, as in the case of coordinates. And in my first example the nodes and edges are distorsioned, the edges link different points on and in the circles. Why ...

What is the problem with this source? The result is far to be nice.
\documentclass{article}
\usepackage{tikz}

\newcommand{\Andr}[4]{
% #1 n
% #2 angle
% #3 node size
% #4 \fill or \draw
\begin{tikzpicture}[rotate=#2,scale=2]
\pgfmathsetmacro{\n}{3*#1 - 1}
\pgfmathsetmacro{\m}{2*#1 - 1 ...