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author | Karl Berry <karl@freefriends.org> | 2011-10-14 23:25:45 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2011-10-14 23:25:45 +0000 |
commit | cf02168f68651051c7b0bd61322a7f5547565129 (patch) | |
tree | e1add7fbc36a1399a84a69f06e825f123f53131b /Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx | |
parent | 895adaa5b890a2593a7da3e90d8f1d9a96c1220d (diff) |
new doc pstricks-examples-en (14oct11)
git-svn-id: svn://tug.org/texlive/trunk@24289 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx')
-rw-r--r-- | Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx b/Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx new file mode 100644 index 00000000000..a10149b8bf0 --- /dev/null +++ b/Master/texmf-dist/doc/latex/pstricks-examples-en/14-04-1.ltx @@ -0,0 +1,55 @@ +%% +%% A DANTE-Edition example +%% +%% Example 14-04-1 on page 161. +%% +%% Copyright (C) 2011 Herbert Voss +%% +%% It may be distributed and/or modified under the conditions +%% of the LaTeX Project Public License, either version 1.3 +%% of this license or (at your option) any later version. +%% +%% See http://www.latex-project.org/lppl.txt for details. +%% +%% +%% ==== +% Show page(s) 1 +%% +\documentclass[]{article} +\pagestyle{empty} +\setlength\textwidth{201.70511pt} +\setlength\parindent{0pt} + +\usepackage{pstricks,pst-node} \SpecialCoor +\makeatletter +\define@boolkey[psset]{}[Pst@]{showFP}[true]{}% mark focal point? +\psset{showFP} % true as default +\def\focalPoint{\@ifnextchar[{\focalPoint@i}{\focalPoint@i[]}} +\def\focalPoint@i[#1](#2)(#3)(#4)#5{{ % everything stays local + \psset{#1} % set parameters + \pst@getcoor{#2}\pst@tempA% point A % get coordinates as x y + \pst@getcoor{#3}\pst@tempB% point B % + \pst@getcoor{#4}\pst@tempC% point C % + \pnode(! % set node + \pst@tempA /YA exch \pst@number\psyunit div def + /XA exch \pst@number\psxunit div def % x y in user coordinates + \pst@tempB /YB exch \pst@number\psyunit div def + /XB exch \pst@number\psxunit div def + \pst@tempC /YC exch \pst@number\psyunit div def + /XC exch \pst@number\psxunit div def + XA XB XC add add 3.0 div % xSP + YA YB YC add add 3.0 div % ySP + ){#5} % #5 = node name + \ifPst@showFP\qdisk(#5){2pt}\fi}\ignorespaces} +\makeatother + +\begin{document} +\begin{pspicture}[showgrid](4,4) \psset{linewidth=2pt} + \pspolygon[linecolor=red](0,0)(2,4)(4,0)% + \focalPoint[showFP=true,linecolor=red](0,0)(2,4)(4,0){SP1}% + \pnode(0,0){A}\pnode(0,4){B}\pnode(4,2){C}% + \pspolygon[linecolor=blue](A)(B)(C)\focalPoint(A)(B)(C){SP2}% + {\psset{linecolor=blue}\qdisk(SP2){2pt}} + \ncline[linewidth=0.2pt]{<->}{SP1}{SP2}% +\end{pspicture} +\end{document} |