mirror.matrix: Mirrors a matrix upside-down. Used in re-arranging image...

In gtatters/Thermimage: Thermal Image Analysis

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")

gtatters/Thermimage documentation built on June 12, 2025, 10:58 p.m.