cpt: Function to return colour palettes functions from 'cpt-city'

Description Usage Arguments Details Value Examples

View source: R/cpt.R

Description

This function return a collor palette based on the name or position of the palette.

Usage

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cpt(pal = "mpl_inferno", n = 100, colorRampPalette = FALSE,
  rev = FALSE)

Arguments

pal

Palette of colors available or the number of the position

n

integer; number of colors

colorRampPalette

Logical; to be used in sf and mapview.

rev

Logical; to internally revert order of rgb color vectors.

Details

The cpt-city web archive comes from: http://soliton.vm.bytemark.co.uk/pub/cpt-city/index.html

Value

A colour palette function.

Examples

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{
library(cptcity)
image(matrix(1:100), col = cpt(pal = "mpl_inferno"))
find_cpt("temperature")
image(matrix(1:100), col = cpt("idv_temperature"))
image(matrix(1:100), col = cpt("idv_temperature", rev = TRUE))
## Not run: 
# Do not run
library(ggplot2)
ggplot(faithfuld, aes(waiting, eruptions)) +
geom_raster(aes(fill = density))

 ggplot(faithfuld, aes(waiting, eruptions)) +
 geom_raster(aes(fill = density)) +
 scale_fill_gradientn(colours = cpt(n = 100))

## End(Not run)
}

cptcity documentation built on May 2, 2019, 4:21 a.m.