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Re: Showing a limited GrayLevel


Steve,
Use the ColorFunction option:

ContourPlot[x, {x, 0, 1}, {y, 0, 1},
  ColorFunction -> (GrayLevel[ 0.5 (# + 1)] &)]

ContourPlot[x, {x, 0, 1}, {y, 0, 1}, ColorFunction -> (Hue[2/3#] &)]

Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565


Steve Hocter <steve at weinstein.maths.keele.ac.uk> wrote in message
news:7o5eg9$rf1 at smc.vnet.net...
> I have a quick question about changing the GrayLevel in contour plots.
>
>  When using ContourPlot, how is it possible to limit the GrayLevel range?
> That is, instead of GrayLevel being scaled between 0 and 1, the contours
> would be shown between 0.5 and 1 cutting out any totally black parts of
the
> plot.
>
>  Thanks,
>
>  Steve.
>
> --
>        -----------------------------------------------------------------
>        |   Steven T. Hocter                         Dept Of Maths      |
>        |   mad00 at keele.ac.uk                        Keele University   |
>        |              steve at weinstein.maths.keele.ac.uk                |
>        -----------------------------------------------------------------
>



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