R help - Jan 2008 - help with levelplot()

useR's,

I want to create a "movie" of a sin function (from 0 to pi/2) using
levelplot() in the lattice package.  I basically want to create 20 or so
plots of the sin function starting with an amplitude of 0 and ending at
amplitude 1.  By using a loop and plotting these in succession, it will have
the appearance of a movie or animation.  I believe I know how to do this
part, but I am having trouble working with the colors.
I want to use a range of colors starting with light blue (denoting zero) and
progressively getting darker as the amplitude gets closer to 1 (red color). 
Does anyone know a way to do this?

Thanks in advance
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On Jan 22, 2008 8:39 PM, dxc13 <dxc13 at health.state.ny.us>
wrote:
>
> useR's,
>
> I want to create a "movie" of a sin function (from 0 to pi/2)
using
> levelplot() in the lattice package.  I basically want to create 20 or so
> plots of the sin function starting with an amplitude of 0 and ending at
> amplitude 1.  By using a loop and plotting these in succession, it will
have
> the appearance of a movie or animation.  I believe I know how to do this
> part, but I am having trouble working with the colors.
> I want to use a range of colors starting with light blue (denoting zero)
and
> progressively getting darker as the amplitude gets closer to 1 (red color).
> Does anyone know a way to do this?
Have a look at http://had.co.nz/ggplot2/geom_tile.html to see some
ways of doing this with ggplot2.

Hadley

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