pals: pal.zcurve – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

pal.zcurve

Show a colormap with a space-filling z-curve

Description

Construct a Z-order curve, coloring cells with a colormap. The difference in color between squares side-by-side is 1/48 of the full range. The difference in color between one square atop another is 1/96 the full range.

Usage

pal.zcurve(pal, n = 64, main = "")

Arguments

`pal`	A continuous color palette function
`n`	Number of squares for the z-curve
`main`	Main title

Details

What to look for:

1. A good color palette of 64 colors should be able to resolve 4 sub-squares within each of the 16 squares.

Value

None

Author(s)

Kevin Wright.

References

Peter Karpov. 2016. In Search Of A Perfect Colormap. https://twitter.com/inversed_ru

Z-order curve. https://en.wikipedia.org/wiki/Z-order_curve

Examples

pal.zcurve(parula,n=4,main="parula")
pal.zcurve(parula,n=16)
pal.zcurve(parula,n=64)
pal.zcurve(parula,n=256)

pals

Color Palettes, Colormaps, and Tools to Evaluate Them

v1.7

GPL-3

Authors

Kevin Wright [aut, cre] (<https://orcid.org/0000-0002-0617-8673>)

Initial release

2021-04-16