Example: Scatter plot with cubes

Published 2014-03-15 | Author: Christian Feuersänger

This scatter plot example uses mark=cube* and z buffer=sort to place boxes at each input coordinate. The color for each box is determined by point meta={x+y+3}. The remaining keys are just for pretty printing.

The code is from the PGFPlots 1.10 manual: “4.6.4 Scatter Plots”, “Stacked Bar Plots and Nodes Near Coords”.

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Scatter plot with cubes

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\documentclass[border=10pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{width=7cm,compat=1.8}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
	view={120}{40},
	width=220pt,
	height=220pt,
	grid=major,
	z buffer=sort,
	xmin=-1,xmax=9,
	ymin=-1,ymax=9,
	zmin=-1,zmax=9,
	enlargelimits=upper,
	xtick={-1,1,...,19},
	ytick={-1,1,...,19},
	ztick={-1,1,...,19},
	xlabel={$l_1$},
	ylabel={$l_2$},
	zlabel={$l_3$},
	point meta={x+y+z+3},
	colormap={summap}{
		color=(black); color=(blue); 
		color=(black); color=(white) 
		color=(orange) color=(violet) 
		color=(red)
	},
	scatter/use mapped color={
		draw=mapped color,fill=mapped color!70},
	]
	% `pgfplots_scatter4.dat' contains a large sequence of
	% the form
	% l_0   l_1     l_2     
	% 1     6       -1      
	% -1    -1      -1      
	\addplot3[only marks,scatter,mark=cube*,mark size=7] 
		table {pgfplots_scatterdata4.dat};
\end{axis}
\end{tikzpicture}
\end{document}

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