palette.choose: Choose a colour palette for gradient filling thermal image...

In gtatters/Thermimage: Thermal Image Analysis

Description

Choose from among three the following colour palettes: flir, glowblow, grey120, grey10, greyred, hotiron, ironbow, medical, midgreen, midgrey, mikronprism, mikroscan, rain, and yellow.

Usage

palette.choose(colscheme)

Arguments

colscheme

A colour palette from the following: flir, glowblow, grey, grey10, greyred, hotiron, ironbow, medical, midgreen, midgrey, mikronprism, mikroscan, rain, and yellow.

Details

Colscheme is a character description drawn from the following list: ("flir", "glowblow", "grey120", "grey10", "greyred", "hotiron", "ironbow", "medical", "midgreen", "midgrey", "mikronprism", "mikroscan", "rain", "yellow")

palnames<-c("flir", "glowblow", "grey120", "grey10", "greyred", "hotiron", "ironbow", "medical", "midgreen", "midgrey", "mikronprism", "mikroscan", "rainbowpal", "yellowpal")

where "flir" is palnames[1], "rain" is palnames[13]

Value

Returns a palette to be used in various graphics functions where 'col=palette' is requested. The palette vector is formatted for use as gradient fills in plotting functions.

Author(s)

Glenn J. Tattersall

Examples

###### Example #####
palnames<-c("flir", "ironbow", "mikronprism", "glowbow", "grey120", "grey10", "greyred", 
"hotiron",  "medical", "midgreen", "midgrey", "mikroscan", "yellowpal", "rainbowpal")
palnames<-as.matrix(palnames)

pals<-apply(as.matrix(palnames),1,palette.choose)
# add palnames to a list to call in image function below

par(mfrow=c(4,1),mar=c(1,0.3,1,0.3))
r<-c(1:500)
m<-matrix(r,500)

## Show palettes
image(m, axes=FALSE, col=flirpal, main="Flir Standard Palette")
image(m, axes=FALSE, col=ironbowpal, main="Ironbow Palette") 
# smaller palette for faster plotting
image(m, axes=FALSE, col=mikronprismpal, main="Mikron Prism Palette")
image(m, axes=FALSE, col=glowbowpal, main="Glowbow Palette")
image(m, axes=FALSE, col=grey120pal, main="Grey120 Palette")
image(m, axes=FALSE, col=grey10pal, main="Grey10 Palette")
image(m, axes=FALSE, col=greyredpal, main="Greyred Palette")
image(m, axes=FALSE, col=hotironpal, main="Hotiron Palette")
image(m, axes=FALSE, col=medicalpal, main="Medical Palette")
image(m, axes=FALSE, col=midgreypal, main="Midgrey Palette")
image(m, axes=FALSE, col=mikroscanpal, main="Mikroscan Palette")
image(m, axes=FALSE, col=rainbowpal, main="Rainbow Palette")
image(m, axes=FALSE, col=yellowpal, main="Yellow Palette")

# Palettes can be run in reverse
par(mfrow=c(2,1),mar=c(1,0.3,1,0.3))
image(m, axes=FALSE, col=flirpal, main="Flir Standard Palette")
image(m, axes=FALSE, col=rev(flirpal), main="Reverse Flir Standard Palette")

gtatters/Thermimage documentation built on Sept. 28, 2021, 2:02 p.m.