Re: Colormap legend issues
- To: mathgroup at smc.vnet.net
- Subject: [mg106872] Re: Colormap legend issues
- From: dh <dh at metrohm.com>
- Date: Mon, 25 Jan 2010 05:09:42 -0500 (EST)
- References: <hj6qgc$8sm$1@smc.vnet.net>
MatrixPlot seems to use a funny scaling for colors as you can see from:
In the manual one finds:
and:
values over a wide range:"
Eric Gonzalez wrote:
> I still have some problems. I am doing a MatrixPlot with values between 0.6
> to 180.0 ( ColorFunction ->
> "TemperatureMap"], {ColorData["TemperatureMap"][#1] &, 10,
> ToString[Min[mydata]], ToString[Max[mydata]], ) the 0.6 points does not
> show blue in the plot so I don't think there is a correspondence between the
> legend color map and and the chart. Also how to set several points in the
> legend rather than the max and min?
> thnk you for your help,
> Eric
>
> ShowLegend[
> MatrixPlot[mydata, AspectRatio -> 1, Mesh -> All,
> PlotRange -> All,
> ColorFunction ->
> "TemperatureMap"], {ColorData["TemperatureMap"][#1] &, 10,
> ToString[Min[mydata]], ToString[Max[mydata]],
> LegendPosition -> {1.1, -0.8}, LegendSize -> 1.5,
> LegendShadow -> None}]
>
>
>