Re: Documentation on (Color) Blend
- To: mathgroup at smc.vnet.net
- Subject: [mg111294] Re: Documentation on (Color) Blend
- From: Patrick Scheibe <pscheibe at trm.uni-leipzig.de>
- Date: Mon, 26 Jul 2010 06:39:36 -0400 (EDT)
Hi,
you don't need the (buggy) sample with the Table. Just read a bit in the
Blend documentation and eventually do something like
DensityPlot[x, {x, -1, 1}, {y, 0, 1}, FrameTicks -> None,
ColorFunction -> (Blend[{{0, Green}, {0.4, White}, {0.6, White}, {1,
Red}}, #] &)]
Cheers
Patrick
On Sun, 2010-07-25 at 01:58 -0400, telefunkenvf14 wrote:
> Group:
>
> The documentation on Blend[], in the "Possible Issues" section,
> contains the following example.
>
> ----------------
> In plot functions, use ColorFunctionScaling to control global scaling
> of variables:
>
> Table[DensityPlot[x, {x, -2, 3}, {y, 0, 1}, FrameTicks -> None,
> ColorFunction -> (Blend[{Red, Green}, #] &),
> ColorFunctionScaling -> t], {t, {False, True}}]
> ----------------
>
> I noticed that when I evaluate the code, the original output is not
> reproduced. On my machine the new plots look exactly the same.
> (Windows 7, 64-bit, Mathematica 7.0.1)
>
> Can someone offer a fix? My goal is to generate a Green to White to
> Red spectrum with a 'fuzzier' center; eventually I'll use this for
> coloring a map.
>
> -RG
>