[R] Color index in image function

[Bernardo Rangel Tura]

On Thu, 2009-09-10 at 05:27 -0700, FMH wrote:
> Thank you for the scripts, but the label and the values in the x and y-axis suddently dissapear even the 'axis' function is used as stated in the command below. Could you help on this?
> 
> axis(1, at = seq(100, 800, by = 100))
> axis(2, at = seq(100, 600, by = 100))
> 
> How could i add a tittle on top of color index?
> 
> Thank you
> Fir
Try this


Brazilan.Pallete <- colorRampPalette(c("green","yellow", "blue"))
require(fields)
image.plot(volcano, col = Brazilan.Pallete(50), legend.lab="Scale") 
contour(volcano, levels = seq(90, 200, by = 5), add = TRUE)


-- 
Bernardo Rangel Tura, M.D,MPH,Ph.D
National Institute of Cardiology
Brazil