Mirrors a matrix upside-down. Used in re-arranging image data for plotting properly in R.

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Description

Mirrors a matrix upside-down. Used in re-arranging image data for plotting properly in R.

Usage

1

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

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## The function is currently defined as
function (x) 
{
    xx <- as.data.frame(x)
    xx <- rev(xx)
    xx <- as.matrix(xx)
    xx
  }
  

# flir<-palette.choose("flir")
# 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, col=flir)
# box()
# text(.5,.5,"Matrix",col="white")
# mf<-mirror.matrix(m)
# image(mf,axes=FALSE,col=flir)
# box()
# text(.5,.5,"Mirror",col="white")

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