mirror of
https://github.com/MartinThoma/LaTeX-examples.git
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86 lines
No EOL
2.5 KiB
TeX
86 lines
No EOL
2.5 KiB
TeX
\newenvironment{customlegend}[1][]{%
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\begingroup
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% inits/clears the lists (which might be populated from previous
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% axes):
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\csname pgfplots@init@cleared@structures\endcsname
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\pgfplotsset{#1}%
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}{%
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% draws the legend:
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\csname pgfplots@createlegend\endcsname
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\endgroup
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}%
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% makes \addlegendimage available (typically only available within an
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% axis environment):
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\def\addlegendimage{\csname pgfplots@addlegendimage\endcsname}
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%%--------------------------------
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% definition to insert numbers
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\pgfkeys{/pgfplots/number in legend/.style={%
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/pgfplots/legend image code/.code={%
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\node at (0.295,-0.0225){#1};
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},%
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},
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}
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\pgfdeclarelayer{background}
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\pgfdeclarelayer{foreground}
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\pgfsetlayers{background,main,foreground}
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\begin{tikzpicture}
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\tkzSetUpPoint[shape=circle,size=10,color=black,fill=black]
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\tkzDefPoints{0/0/A, 2/0/B, 3/0.5/C, 0/3/D, 2/3/E, 3/1.5/F, 2/2/G, 1/1.5/H}
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\begin{pgfonlayer}{foreground}
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%Get intersections
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\tkzInterLL(B,H)(A,C) \tkzGetPoint{I}
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\tkzInterLL(B,F)(A,C) \tkzGetPoint{J}
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\tkzInterLL(A,G)(B,H) \tkzGetPoint{K}
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\tkzInterLL(A,G)(H,F) \tkzGetPoint{L}
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\tkzInterLL(C,G)(B,F) \tkzGetPoint{M}
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\tkzInterLL(C,G)(H,F) \tkzGetPoint{N}
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\tkzInterLL(G,D)(H,E) \tkzGetPoint{O}
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\tkzDrawPoints[color=green,fill=green](A,C,G,D)
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\tkzDrawPoints[color=blue,fill=blue](B,F,E,H)
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\tkzDrawPoints[color=red,fill=red](I,J,K,L,M,N,O)
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\end{pgfonlayer}
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\tkzDrawPolygon[blue,very thick](H,E,F,B)
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\tkzDrawSegment[blue,very thick](H,F)
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\tkzDrawPolygon[green,very thick](A,D,G,C)
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\tkzDrawSegment[green,very thick](A,G)
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\tkzDrawSegments[red,very thick](I,M I,N I,L A,H H,D L,O N,E G,E)
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% \tkzLabelPoint(A){A}
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% \tkzLabelPoint(B){B}
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% \tkzLabelPoint(C){C}
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% \tkzLabelPoint(D){D}
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% \tkzLabelPoint(E){E}
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% \tkzLabelPoint(F){F}
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% \tkzLabelPoint(G){G}
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% \tkzLabelPoint(H){H}
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% \tkzLabelPoint(I){I}
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% \tkzLabelPoint(J){J}
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% \tkzLabelPoint(K){K}
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% \tkzLabelPoint(L){L}
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% \tkzLabelPoint(M){M}
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% \tkzLabelPoint(N){N}
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% \tkzLabelPoint(O){O}
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\begin{customlegend}[
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legend entries={
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$T_1$,
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$T_2$,
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$T$
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},
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legend style={at={(4.5,3.5)},font=\footnotesize}] % <= to define position and font legend
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% the following are the "images" and numbers in the legend
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\addlegendimage{blue,very thick}
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\addlegendimage{green,very thick}
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\addlegendimage{red,very thick}
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\end{customlegend}
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\end{tikzpicture} |