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These examples use the
heatmap prefab
and are included in the distribution (./pltestsuite/testpf_heatmap).
Gallery of ALL prefab examples
heatmap example 1![]()
pl -prefab heatmap data=curve1.dat y=1 x=2 The curve1.dat file looks like this: 331 75 331.624 83.5518 332.105 88.7758 332.492 91.8638 ..etc.
The heatmap prefab's basic mode is to count instances. Here, the bin sizes
in x and y are automatically determined, as is the breakdown for color coding.
Default color scheme is used.
These can all be given explicitly if desired.
In this example, both X and Y are numeric.
heatmap example 2![]() pl -prefab heatmap data=snpmap.dat header=yes y=1 x=2 ycats=yes xbinsize=5 \ colorlist=white,limegreen,green,teal,blue,purple,black
Counting instances again. In this example X is categorical and Y is numeric, and
a user-supplied x binsize and color scheme was used. Y bin size and color breakdown
are automatically determined.
heatmap example 3![]() pl -prefab heatmap data=data26 x=1 xcats=yes y=2 ycats=yes contentfield=3 \ outline="color=black width=5" The data26 file looks like this: CL PNG 44 CL SVG 38 CL SWF 26 CL PS 54 CGI PNG 37 ...
In this example, instead of counting instances, a predetermined value (contentfield=3) is used
to set cell color. Both X and Y are categorical. The cells are separated by thicker
black lines.
heatmap example 4![]() pl -prefab heatmap data=data26 x=1 xcats=yes y=2 ycats=yes contentfield=3 \ symbol="shape=circle radius=0.1" legendsep=0.2 zerocolor=white
Same as example 3 but circles are used for cells, and background is white.
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![]() data display engine Copyright Steve Grubb ![]() |