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I have a question on using logarithmic ticks in a colorbar in Mathematica 8.0 . I use the package ColorbarPlot (type->"Density") in order to show a legend. As well as the default ticks, I can set the ticks by myself.

The problem is that my data range is from $-10^{16}$ to $10^{16}$, and I cannot see the intermediate values because the values with large exponents at the two ends to the range absorb all the colour. One solution would be to have logarithmic ticks, but I have also negative values.

Do you have any ideas? If you have another solution without using Colorbarplot, it would also be welcome.

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Can you please link to this package? It is not a standard one. Where did you get it? Is it the one from walkingrandomly.com? –  Szabolcs Nov 30 '12 at 15:25
    
@Szabolcs library.wolfram.com/infocenter/MathSource/7030 –  belisarius Nov 30 '12 at 15:36
    
That's the same package that Szabolcs was talking about –  rm -rf Nov 30 '12 at 15:49
    
Before version 9 came out I would have been tempted to dig out the package and look to see if I could add something. Post v9 I'm not sure if it's worth it. Thoughts? –  WalkingRandomly Nov 30 '12 at 16:06
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Also, the version at walkingrandomly.com/?p=2960 is more up to date than the one at the Wolfram library –  WalkingRandomly Nov 30 '12 at 16:07
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