On Wed, 2009-09-09 at 02:33 -0700, FMH wrote:
> Thank you for the hints, but how could i add the grid lines which have
> numbers, representing the height of the volcano on the image.
>
> Thank you
>
So I think this script is what you need
Brazilan.Pallete <- colorRampPalette(c("green","yellow", "blue"))
require(fileds)
image.plot(volcano, col = Brazilan.Pallete(50), axes = FALSE)
contour(volcano, levels = seq(90, 200, by = 5), add = TRUE)
--
Bernardo Rangel Tura, M.D,MPH,Ph.D
National Institute of Cardiology
Brazil
>
>
> ----- Original Message ----
> From: Bernardo Rangel Tura <t...@centroin.com.br>
> To: FMH <kagba2...@yahoo.com>
> Sent: Tuesday, September 8, 2009 10:14:07 AM
> Subject: Re: [R] Color index in image function
>
> On Mon, 2009-09-07 at 07:59 -0700, FMH wrote:
> > Thank you for the tips. I have manage to run your script, but was still
> > never get the way to include the color index beside the image which could
> > explain the intensity of the color from the lower index(green) to the
> > higher index(blue). This color index might be represented by an increasing
> > of color index in another table beside the image, started from green
> > followed by green-yellow, yellow, yellow-blue and blue?
> >
> > Could someone please advice on this matter?
> >
> > Cheers
> > Fir
> >
>
> Hi FHM,
>
> Well If you desire one color index in a imageplot I don't know solve
> your problem.
>
> But in your scirptyou use image and
>
> image(x, y, volcano, col = terrain.colors(100), axes = FALSE)
> contour(x, y, volcano, levels = seq(90, 200, by = 5),
> add = TRUE, col = "peru")
>
> In this case I suggest you use
>
> Brazilan.Pallete <- colorRampPalette(c("green","yellow", "blue"))
> filled.contour(volcano, color = Brazilan.Pallete)
--
Bernardo Rangel Tura, M.D,MPH,Ph.D
National Institute of Cardiology
Brazil
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