The GrayImage class

Description

Package: R.image
Class GrayImage

Object
~~|
~~+--BitmapImage
~~~~~~~|
~~~~~~~+--GrayImage

Directly known subclasses:
MonochromeImage

public static class GrayImage
extends BitmapImage

The class GrayImage represents a grayscale image and inherits from the abstract BitmapImage class.

Usage

GrayImage(gray=NULL)

Arguments

Fields and Methods

Fields

gray	The gray values.
depth	The depth in number of bit layers.

Methods:

	as	-
	as.GrayImage	-
	as.MonochromeImage	Converts a grayscale image to a monochrome image.
	as.RGBImage	Converts a grayscale image to an RGB image.
	dim	-
	equals	-
	getColorMap	-
	getColors	-
	image	-
	persp	Creates a (3-dimensional) perspective plot of the image.
	plot3d	Creates a 3-dimensional plot of the image.
	writePBM	-
	writePGM	-
	writePPM	-
	writeRGB	-

Methods inherited from BitmapImage:
as.character, depth, dim, getColorMap, getColors, height, image, plot, points, read, readJPEG, readUsingExternal, width, write, writeBMP, writeEPS, writeJPG, writePBM, writePGM, writePNG, writePPM, writeRGB

Methods inherited from Object:
$, $<-, [[, [[<-, as.character, attach, attachLocally, clearCache, clone, detach, equals, extend, finalize, gc, getEnvironment, getFields, getInstanciationTime, getStaticInstance, hasField, hashCode, ll, load, objectSize, print, save

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

Examples

gray <- BitmapImage$read("logosm-gray.pgm", path=system.file("images", package="R.image"))

layout(matrix(1:4,ncol=2))
image(gray)
plot3d(gray, theta=190, phi=50, col="blue", cex=0.8)
persp(gray, theta=190, phi=50, col="red")