added 3d manhattan bar plot

tikz/3d-manhattan-bar-plot/3d-manhattan-bar-plot.tex

@@ -0,0 +1,44 @@
+\documentclass{article}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+
+\usepackage{pgfplots}
+
+\begin{document}
+\begin{preview}
+\begin{tikzpicture}
+    \begin{axis}[
+    view = {120}{35},% important to draw x,y in increasing order
+    xmin = 0,
+    ymin = 0,
+    xmax = 4,
+    ymax = 4,
+    zmin = 0,
+    unbounded coords = jump,
+    colormap={pos}{color(0cm)=(white); color(6cm)=(blue)}
+    ]
+    \addplot3[surf,mark=none] coordinates {
+        (0,0,0.0) (0,0,0.0) (0,1,0.0) (0,1,0.0) (0,2,0.0) (0,2,0.0) (0,3,0.0) (0,3,0.0) (0,4,0.0) (0,4,0.0) 
+
+(0,0,0.0) (0,0,2) (0,1,2) (0,1,3) (0,2,3) (0,2,1) (0,3,1) (0,3,0) (0,4,0) (0,4,0.0) (1,0,0.0) 
+
+(1,0,2) (1,1,2) (1,1,3) (1,2,3) (1,2,1) (1,3,1) (1,3,0) (1,4,0) (1,4,0.0) 
+
+(1,0,0.0) (1,0,0) (1,1,0) (1,1,6) (1,2,6) (1,2,0) (1,3,0) (1,3,0) (1,4,0) (1,4,0.0) (2,0,0.0) 
+
+(2,0,0) (2,1,0) (2,1,6) (2,2,6) (2,2,0) (2,3,0) (2,3,0) (2,4,0) (2,4,0.0) 
+
+(2,0,0.0) (2,0,1) (2,1,1) (2,1,0) (2,2,0) (2,2,0) (2,3,0) (2,3,4) (2,4,4) (2,4,0.0) (3,0,0.0) 
+
+(3,0,1) (3,1,1) (3,1,0) (3,2,0) (3,2,0) (3,3,0) (3,3,4) (3,4,4) (3,4,0.0) 
+
+(3,0,0.0) (3,0,0) (3,1,0) (3,1,0) (3,2,0) (3,2,0) (3,3,0) (3,3,0) (3,4,0) (3,4,0.0) (4,0,0.0) 
+
+(4,0,0) (4,1,0) (4,1,0) (4,2,0) (4,2,0) (4,3,0) (4,3,0) (4,4,0) (4,4,0.0) 
+
+(4,0,0.0) (4,0,0.0) (4,1,0.0) (4,1,0.0) (4,2,0.0) (4,2,0.0) (4,3,0.0) (4,3,0.0) (4,4,0.0) (4,4,0.0) 
+    };
+    \end{axis}
+\end{tikzpicture}
+\end{preview}
+\end{document}

tikz/3d-manhattan-bar-plot/Makefile

@@ -0,0 +1,37 @@
+SOURCE = 3d-manhattan-bar-plot
+DELAY = 80
+DENSITY = 300
+WIDTH = 500
+
+make:
+	python getCoordinates.py
+	rm data
+	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

tikz/3d-manhattan-bar-plot/Readme.md

@@ -0,0 +1,7 @@
+This is from
+http://tex.stackexchange.com/a/53754/5645
+
+- an answer from [anton](http://tex.stackexchange.com/users/14063/anton)
+and [Jake](http://tex.stackexchange.com/users/2552/jake)
+
+The Python script got improved by Martin Thoma

tikz/3d-manhattan-bar-plot/getCoordinates.py

@@ -0,0 +1,44 @@
+def writeCoordinates(file, x, y, z):
+    file.write("(" + str(x) + "," + str(y) + "," + str(z) + ") ")
+
+def createTex(x, y, z, output='3d-manhattan-bar-plot.tex'):
+    template = open('template.tpl', 'r').read()
+    make3dhistogram(x, y, z, 0.0, 'data')
+    data = open('data', 'r').read()
+    file = open(output, 'wb')
+    template = template.replace('[PLACE_PLOT_HERE]', data)
+    template = template.replace('[XMAX]', str(len(x)-1))
+    template = template.replace('[YMAX]', str(len(y)-1))
+    file.write(template)
+
+def make3dhistogram(x, y, z, zmin, output):
+    file = open(output, 'wb')
+    i = 0
+    for j in range(len(y)):
+        writeCoordinates(file, x[i], y[j], zmin)
+        writeCoordinates(file, x[i], y[j], zmin)
+    file.write("\n\n")
+    for i in range(len(x)-1):
+        writeCoordinates(file, x[i], y[0], zmin)
+        for j in range(len(y)-1):
+            writeCoordinates(file, x[i], y[j], z[i][j])
+            writeCoordinates(file, x[i], y[j+1], z[i][j])
+        writeCoordinates(file, x[i], y[len(y)-1], zmin)
+        writeCoordinates(file, x[i+1], y[0], zmin)
+        file.write("\n\n")
+        for j in range(len(y)-1):
+            writeCoordinates(file, x[i+1], y[j], z[i][j])
+            writeCoordinates(file, x[i+1], y[j+1], z[i][j])
+        writeCoordinates(file, x[i+1], y[len(y)-1], zmin)
+        file.write("\n\n")
+
+    i = len(x)-1
+    for j in range(len(y)):
+        writeCoordinates(file, x[i], y[j], zmin)
+        writeCoordinates(file, x[i], y[j], zmin)
+
+if __name__ == "__main__":
+    x = [0,1,2,3,4]
+    y = [0,1,2,3,4] # <- size of y
+    z = [[2,3,1,0], [0,6,0,0], [1,0,0,4], [0,0,0,0]]
+    createTex(x,y,z)

tikz/3d-manhattan-bar-plot/template.tpl

@@ -0,0 +1,26 @@
+\documentclass{article}
+\usepackage[pdftex,active,tightpage]{preview}
+\setlength\PreviewBorder{2mm}
+
+\usepackage{pgfplots}
+
+\begin{document}
+\begin{preview}
+\begin{tikzpicture}
+    \begin{axis}[
+    view = {120}{35},% important to draw x,y in increasing order
+    xmin = 0,
+    ymin = 0,
+    xmax = [XMAX],
+    ymax = [YMAX],
+    zmin = 0,
+    unbounded coords = jump,
+    colormap={pos}{color(0cm)=(white); color(6cm)=(blue)}
+    ]
+    \addplot3[surf,mark=none] coordinates {
+        [PLACE_PLOT_HERE]
+    };
+    \end{axis}
+\end{tikzpicture}
+\end{preview}
+\end{document}