misc

source-code/Pseudocode/quotes/Makefile

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+SOURCE = quotes
+DELAY = 80
+DENSITY = 300
+WIDTH = 500
+
+make:
+	pdflatex $(SOURCE).tex -output-format=pdf
+	make clean
+
+clean:
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
+
+gif:
+	pdfcrop $(SOURCE).pdf
+	convert -verbose -delay $(DELAY) -loop 0 -density $(DENSITY) $(SOURCE)-crop.pdf $(SOURCE).gif
+	make clean
+
+png:
+	make
+	make svg
+	inkscape $(SOURCE).svg -w $(WIDTH) --export-png=$(SOURCE).png
+
+transparentGif:
+	convert $(SOURCE).pdf -transparent white result.gif
+	make clean
+
+svg:
+	make
+	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
+	pdf2svg $(SOURCE).pdf $(SOURCE).svg
+	# Necessary, as pdf2svg does not always create valid svgs:
+	inkscape $(SOURCE).svg --export-plain-svg=$(SOURCE).svg
+	rsvg-convert -a -w $(WIDTH) -f svg $(SOURCE).svg -o $(SOURCE)2.svg
+	inkscape $(SOURCE)2.svg --export-plain-svg=$(SOURCE).svg
+	rm $(SOURCE)2.svg

source-code/Pseudocode/quotes/quotes.tex

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+\documentclass{article}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+
+\usepackage[utf8]{inputenc} % this is needed for umlauts
+\usepackage[ngerman]{babel} % this is needed for umlauts
+\usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
+\usepackage{amssymb,amsmath,amsfonts} % nice math rendering
+\usepackage{braket} % needed for \Set
+\usepackage{algorithm,algpseudocode}
+
+\begin{document}
+\begin{preview}
+    This is a 'samle' with some "quotes".
+
+    \begin{algorithm}[H]
+        \begin{algorithmic}
+            \State $a \gets \Call{map}{~}$
+            \State $a['x'] \gets 42$
+            \State $a["x"] \gets 1337$
+        \end{algorithmic}
+    \caption{Algorithmus von Stoer und Wanger}
+    \label{alg:seq1}
+    \end{algorithm}
+\end{preview}
+\end{document}

tikz/hyperbolic-triangle-exterior-angles/Makefile

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+SOURCE = hyperbolic-triangle-exterior-angles
+DELAY = 80
+DENSITY = 300
+WIDTH = 512
+
+make:
+	pdflatex $(SOURCE).tex -output-format=pdf
+	make clean
+
+clean:
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
+
+gif:
+	pdfcrop $(SOURCE).pdf
+	convert -verbose -delay $(DELAY) -loop 0 -density $(DENSITY) $(SOURCE)-crop.pdf $(SOURCE).gif
+	make clean
+
+png:
+	make
+	make svg
+	inkscape $(SOURCE).svg -w $(WIDTH) --export-png=$(SOURCE).png
+
+transparentGif:
+	convert $(SOURCE).pdf -transparent white result.gif
+	make clean
+
+svg:
+	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
+	pdf2svg $(SOURCE).pdf $(SOURCE).svg
+	# Necessary, as pdf2svg does not always create valid svgs:
+	inkscape $(SOURCE).svg --export-width=$(WIDTH) --export-plain-svg=$(SOURCE)1.svg
+	rsvg-convert -a -w 720 -f svg $(SOURCE)1.svg -o $(SOURCE).svg
+	rm $(SOURCE)1.svg

tikz/hyperbolic-triangle-exterior-angles/README.md

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+Compiled example
+----------------
+![Example](hyperbolic-triangle-exterior-angles.png)

tikz/hyperbolic-triangle-exterior-angles/hyperbolic-triangle-exterior-angles.tex

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+\documentclass[varwidth=true, border=2pt]{standalone}
+
+\usepackage{tkz-euclide}
+\usetkzobj{all}
+% Thanks to Jan Hlavacek for giving an example
+% (http://tex.stackexchange.com/a/16749/5645)
+
+\begin{document}
+\begin{tikzpicture}[scale=3]
+    \tkzDefPoint(0,0){O}
+    \tkzDefPoint(1,0){Z}
+
+    % Define points
+    \tkzDefPoint(-0.7,-0.1){A}
+    \tkzDefPoint(0.4,-0.3){B}
+    \tkzDefPoint(0.1,0.4){C}
+
+    % Draw big circle
+    \tkzDrawCircle[fill=white](O,Z)
+
+    % I have no idea what this does,
+    % but when I remove it the rest of the image (the big circles)
+    % get visible. So it seems to crop the image to the size of the circle
+    \tkzClipCircle(O,Z)
+
+    % Draw angles
+    \tkzMarkAngles[fill= orange,size=0.3cm,opacity=.3](B,A,C)
+    \tkzLabelAngle[pos=0.2](B,A,C){$\alpha$}
+
+    \tkzMarkAngles[fill= orange,size=0.3cm,opacity=.3](C,B,A)
+    \tkzLabelAngle[pos=0.2](C,B,A){$\beta$}
+
+    \tkzMarkAngles[fill= orange,size=0.3cm,opacity=.3](A,C,B)
+    \tkzLabelAngle[pos=0.2](A,C,B){$\gamma$}
+
+
+    % "Clip" angles
+    \tkzDrawCircle[fill,orthogonal through=A and B,color=white](O,Z)
+    \tkzDrawCircle[fill,orthogonal through=A and C,color=white](O,Z)
+    \tkzDrawCircle[fill,orthogonal through=B and C,color=white](O,Z)
+
+    % Draw big circle
+    \tkzDrawCircle(O,Z)
+
+    % Draw lines
+    \tkzDrawCircle[orthogonal through=A and B,color=green](O,Z)
+    \tkzDrawCircle[orthogonal through=A and C,color=blue](O,Z)
+    \tkzDrawCircle[orthogonal through=B and C,color=red](O,Z)
+
+    % Draw points and label them
+    \tkzDrawPoints[color=black,fill=red,size=5](A,B,C)
+    \tkzLabelPoints(A,B,C)
+\end{tikzpicture}
+\end{document}