colorspace: Color Space Manipulation
色空間操作
> library(colorspace)
バージョン: 1.2.6
| 関数名 | 概略 |
|---|---|
HLS |
Create HLS Colors |
HSV |
Create HSV Colors |
LAB |
Create LAB Colors |
LUV |
Create LUV Colors |
RGB |
Create RGB Colors |
USSouthPolygon |
Polygon for County Map of US South States: Alabama, Georgia, and South Carolina |
XYZ |
Create XYZ Colors |
choose_palette |
Graphical User Interface for Choosing HCL Color Palettes |
color-class |
Class "color" |
coords |
Extract the numerical coordinates of a color |
desaturate |
Desaturate Colors by Chroma Removal in HCL Space |
hex |
Convert Colors To Hexadecimal Strings |
hex2RGB |
Convert Hexadecimal Color Specifications To RGB Objects |
mixcolor |
Compute the convex combination of two colors |
polarLAB |
Create polarLAB Colors |
polarLUV |
Create polarLUV Colors |
rainbow_hcl |
HCL and HSV Color Palettes |
readRGB |
Read RGB Color Descriptions |
readhex |
Read Hexadecimal Color Descriptions |
sRGB |
Create sRGB Colors |
writehex |
Write Hexadecimal Color Descriptions |
HLS
HLSカラーの生成
CSS3では16進数で表現するRGBよりも直感的な数値を指定できるHSLカラー http://howtohp.com/2012/02/02/hsl-color/
> HLS(H, L, S, names)
HSV
HSVカラーの生成
> HSV(H, S, V, names)
RGB
> RGB(R, G, B, names)
choose_palette
インタラクティブにHCLカラーパレットを選択する
> choose_palette
hex
色空間を16進数表記に変換
> HSV(seq(0, 360, length = 7)[-7], 1, 1) %>% hex(.)
[1] "#FF0000" "#FFFF00" "#00FF00" "#00FFFF" "#0000FF" "#FF00FF"
hex2RGB
16進数表記の色空間をRGB値に変換
> hex2RGB(c("#FF0000", "#00FF00", "#0000FF"))
R G B
[1,] 1 0 0
[2,] 0 1 0
[3,] 0 0 1