newPixmapRGB {rtiff} | R Documentation |
A utility function to create an RGB pixmap object out of 3 rasters.
newPixmapRGB(red = NULL, green = NULL, blue = NULL)
red |
The red raster (a matrix) |
green |
The green raster (a matrix) |
blue |
The blue raster (a matrix) |
An object of type pixmap representing the resulting RGB image.
Eric Kort <eric.kort@vai.org>
#this is tautological, but demonstrates the syntax... library(rtiff) tif <- readTiff(paste(.path.package("rtiff"), "/tiff/jello.tif", sep="")) myPixmap <- newPixmapRGB(tif@red, tif@green, tif@blue) plot(myPixmap) #let's scramble the color channels just for fun get(getOption("device"))() myPixmap <- newPixmapRGB(tif@blue, tif@red, tif@green) plot(myPixmap)