create a scatter plot of colors
list of colors in formats recognized by ColorTools
Use the specified color space instead of "Lab". "Luv" and "xyY" work well.
Define "box", "circle", or "diamond" in order to use only that respective shape for points, instead of the random shapes.
The SpatterPlot command renders a scatter plot of colors by their chromatic dimensions. The point for each color is a randomly chosen shape, with its size given by the lightness of the color.
colors ≔ seq⁡RandomTools:-Generate⁡list⁡float⁡range=0..1,digits=4,method=uniform,3,i=1..100:
The following commands read an image and extract its pixels as RGB colors.
imagefile ≔ cat⁡kernelopts⁡datadir,/images/fjords.jpg:
img ≔ Read⁡imagefile:
Scaling is important here to reduce the total number of colors in the plot.
img ≔ Scale⁡img,25.max⁡Height⁡img,Width⁡img:
colors ≔ map⁡op,convert⁡img,listlist:
The ColorTools[SpatterPlot] command was introduced in Maple 18.
For more information on Maple 18 changes, see Updates in Maple 18.
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