added line segments

tikz/line-segments/Makefile

@@ -0,0 +1,38 @@
+SOURCE = line-segments-bounding-box
+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
+
+noimage:
+	rm -rf  $(TARGET) *.png *.svg
+
+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

tikz/line-segments/line-segments-bounding-box.tex

@@ -0,0 +1,61 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{4}
+    \newcommand\MaxY{5}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (1,2);
+    \coordinate (B) at (3,5);
+    \coordinate (C) at (1.5,0.5);
+    \coordinate (D) at (4,1.5);
+
+    \draw[color=orange, very thick, fill=orange!20] (1,2) -- (3,2) -- (3,5) -- (1,5) -- cycle;
+    \draw[color=orange, very thick, fill=orange!20] (1.5,0.5) -- (4,0.5) -- (4,1.5) -- (1.5,1.5) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f1.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{7}
+    \newcommand\MaxY{7}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (3,4);
+    \coordinate (B) at (4,5);
+    \coordinate (C) at (2,2);
+    \coordinate (D) at (6,6);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f2.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{-4.5}
+    \newcommand\MinY{-0.25}
+    \newcommand\MaxX{1}
+    \newcommand\MaxY{5}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (-4,4);
+    \coordinate (B) at (-2,1);
+    \coordinate (C) at (-2,3);
+    \coordinate (D) at (0,0);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f3.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{2}
+    \newcommand\MaxY{3}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (0,0);
+    \coordinate (B) at (0,1);
+    \coordinate (C) at (2,2);
+    \coordinate (D) at (2,3);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f4.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{3}
+    \newcommand\MaxY{2}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (0,0);
+    \coordinate (B) at (0,1);
+    \coordinate (C) at (2,2);
+    \coordinate (D) at (3,2);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f5.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{-1}
+    \newcommand\MinY{-1}
+    \newcommand\MaxX{5}
+    \newcommand\MaxY{5}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (-1,-1);
+    \coordinate (B) at (2,2);
+    \coordinate (C) at (3,3);
+    \coordinate (D) at (5,5);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f6.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{2}
+    \newcommand\MaxY{2}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (0,0);
+    \coordinate (B) at (1,1);
+    \coordinate (C) at (0.5, 2);
+    \coordinate (D) at (2,0);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f7.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{4}
+    \newcommand\MaxY{2}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (1,1);
+    \coordinate (B) at (4,1);
+    \coordinate (C) at (2,2);
+    \coordinate (D) at (3,2);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-f8.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{5}
+    \newcommand\MaxY{4}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (2,2);
+    \coordinate (B) at (2,1);
+    \coordinate (C) at (0,4);
+    \coordinate (D) at (5,0);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t1.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{-2}
+    \newcommand\MinY{-2}
+    \newcommand\MaxX{2}
+    \newcommand\MaxY{2}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (-2,0);
+    \coordinate (B) at (2,0);
+    \coordinate (C) at (0,2);
+    \coordinate (D) at (0,-2);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t2.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{8}
+    \newcommand\MaxY{5}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (0,0);
+    \coordinate (B) at (5,5);
+    \coordinate (C) at (1,1);
+    \coordinate (D) at (8,2);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t3.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{-1}
+    \newcommand\MinY{-1}
+    \newcommand\MaxX{1}
+    \newcommand\MaxY{1}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (-1,-1);
+    \coordinate (B) at (-1,1);
+    \coordinate (C) at (-1,0);
+    \coordinate (D) at (0,0);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t4.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{2}
+    \newcommand\MaxY{4}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (2,4);
+    \coordinate (B) at (2,0);
+    \coordinate (C) at (0,2);
+    \coordinate (D) at (2,2);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line] (A) -- (B);
+    \draw[line] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t5.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{0}
+    \newcommand\MaxX{5}
+    \newcommand\MaxY{5}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (5,5);
+    \coordinate (B) at (0,0);
+    \coordinate (C) at (1,1);
+    \coordinate (D) at (3,3);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line, red] (A) -- (B);
+    \draw[line, blue] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/line-segments/line-segments-t6.tex

@@ -0,0 +1,60 @@
+\documentclass{article}
+\usepackage{gensymb}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+\usepackage{tikz}
+\usetikzlibrary{arrows, calc, positioning,decorations.pathreplacing,shapes} 
+\tikzset{
+    %Define standard arrow tip
+    >=stealth',
+    % Define arrow style
+    pil/.style={
+           ->,
+           thick},
+    line/.style={
+        very thick,
+        black,
+        to path={% works only with "to" and not "--"
+            -- (\tikztotarget) node[at start,point] {} node [at end,point] {} \tikztonodes
+        }
+    },
+    point/.style={
+        thick,
+        draw=gray,
+        cross out,
+        inner sep=0pt,
+        minimum width=4pt,
+        minimum height=4pt,
+    },
+}
+
+\begin{document}
+\begin{preview}
+  \begin{tikzpicture}
+    \newcommand\MinX{0}
+    \newcommand\MinY{-1}
+    \newcommand\MaxX{7}
+    \newcommand\MaxY{4}
+
+    % Coordinate system
+    \draw [<->, thick, red] (0,{\MaxY+0.5}) -- (0,0) -- ({\MaxX+0.5},0);
+
+    \coordinate (A) at (7,-1);
+    \coordinate (B) at (3,4);
+    \coordinate (C) at (7,-1);
+    \coordinate (D) at (3,4);
+
+    % \draw[color=orange, very thick, fill=orange!20] (A) -- (B) -- cycle;
+
+    \draw[line, red] (A) -- (B);
+    \draw[line, blue] (C) -- (D);
+
+    \draw[step=0.5cm,color=gray] ({\MinX-0.25}, {\MinY-0.25}) grid ({\MaxX+0.25},{\MaxY+0.25});
+    \path[every node/.style={point}]
+         node at (A) {}
+         node at (B) {}
+         node at (C) {}
+         node at (D) {};
+  \end{tikzpicture}
+\end{preview}
+\end{document}

tikz/rectangle/Makefile

@@ -1,14 +1,14 @@
 SOURCE = rectangle-3
 DELAY = 80
 DENSITY = 300
-WIDTH = 512
+WIDTH = 500
 
 make:
 	pdflatex $(SOURCE).tex -output-format=pdf
 	make clean
 
 clean:
-	rm -rf  $(TARGET) *.class *.html *.log *.aux
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
 
 gif:
 	pdfcrop $(SOURCE).pdf
@@ -25,7 +25,11 @@ transparentGif:
 	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