conColScheme: Change the Color Scheme of a Spectra or Spectra2D Object

In ChemoSpecUtils: Functions Supporting Packages ChemoSpec and ChemoSpec2D

Change the Color Scheme of a Spectra or Spectra2D Object

Description

This function permits you to change the color scheme of an existing Spectra or Spectra2D object.

Usage

conColScheme(spectra, new.cols = NULL, silent = FALSE)

Arguments

spectra	An object of S3 class ChemoSpec::Spectra() or ChemoSpec2D::Spectra2D().
new.cols	A character vector giving the new color values, of length(unique(spectra$colors)). If not provided, the function will print the old values for reference.
silent	Logical. If TRUE, suppresses all reporting.

Value

spectra An object of S3 class ChemoSpec::Spectra() or ChemoSpec2D::Spectra2D().

Author(s)

Bryan A. Hanson (DePauw University).

See Also

For a discussion of general issues of color, see colorSymbol.

Examples

if (checkForPackageWithVersion("ChemoSpec", 6.0)) {
  library("ChemoSpec")
  data(metMUD1)

  sumSpectra(metMUD1)
  newSpec <- conColScheme(metMUD1) # reports old colors
  newSpec <- conColScheme(metMUD1, new = c("pink", "violet"))
}

if (checkForPackageWithVersion("ChemoSpec2D", 0.5)) {
  library("ChemoSpec2D")
  data(MUD1)

  sumSpectra(MUD1)
  newSpec <- conColScheme(MUD1) # reports old colors
  newSpec <- conColScheme(MUD1, new = c("pink", "violet"))
}

ChemoSpecUtils documentation built on May 29, 2024, 3:12 a.m.