col.alpha: Add and set alpha channel for RGB color
In MESS: Miscellaneous Esoteric Statistical Scripts
View source: R/colorfunctions.R
col.alpha R Documentation
Add and set alpha channel for RGB color
Description
Add and set alpha channel
Usage
col.alpha(col, alpha = 1)
Arguments
col
a vector of RGB color(s)
alpha
numeric value between 0 and 1. Zero results fully transparent and 1 means full opacity
Details
This function adds and set an alpha channel to a RGB color
Author(s)
Claus Ekstrom claus@rprimer.dk
References
Ekstrom, CT (2011) The R Primer.
Examples
newcol <- col.alpha("blue", .5)
MESS documentation built on Aug. 21, 2023, 1:05 a.m.
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View source: R/colorfunctions.R
| col.alpha | R Documentation |
Add and set alpha channel for RGB color
Description
Add and set alpha channel
Usage
col.alpha(col, alpha = 1)
Arguments
col |
a vector of RGB color(s) |
alpha |
numeric value between 0 and 1. Zero results fully transparent and 1 means full opacity |
Details
This function adds and set an alpha channel to a RGB color
Author(s)
Claus Ekstrom claus@rprimer.dk
References
Ekstrom, CT (2011) The R Primer.
Examples
newcol <- col.alpha("blue", .5)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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