Dear All,
   
  How can I define a color sequence for each image value? I have several images with values varying from 1 to 5, and I would like to assing a fixed color for each value (green for 1, yellow for 2...). I used somethink like:
   
      > image(img,col=c("green","yellow",...))
   
  but unfortunately whem I have absent values, the color that I defined for each values change.
   
  Thanks a lot,
   
  Miltinho
  Brazil
   
  PS : Merry Christmas!!!

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