mirror.matrix {Thermimage} | R Documentation |
Mirrors a matrix upside-down. Used in re-arranging image data for plotting properly in R.
Description
Mirrors a matrix upside-down. Used in re-arranging image data for plotting properly in R.
Usage
mirror.matrix(x)
Arguments
x |
A matrix corresponding to raster or image data. |
Value
Returns a matrix
Author(s)
Glenn J Tattersall
See Also
flip.matrix
rotate90.matrix
rotate270.matrix
rotate180.matrix
Examples
## The function is currently defined as
function (x)
{
xx <- as.data.frame(x)
xx <- rev(xx)
xx <- as.matrix(xx)
xx
}
# par(mfrow=c(2,1),mar=c(1,1,1,1))
# r<-c(1:100,rnorm(1:100)*10,1:100)
# m<-matrix(r,50)
# image(m, axes=FALSE)
# box()
# text(.5,.5,"Matrix",col="white")
# mf<-mirror.matrix(m)
# image(mf,axes=FALSE)
# box()
# text(.5,.5,"Mirror",col="white")
[Package Thermimage version 4.1.3 Index]