Re: [ferret_users] Log palette

[Jaison Kurian <jaison@xxxxxxxxxxxxxxxxxx>]

Hi,
     Please have a look at the earlier discussions in the forum,
starting from this one :

 http://ferret.pmel.noaa.gov/Ferret/Mail_Archives/fu_2004/msg00426.html

Regards,

Jaison


On Tue, 7 Feb 2006, E. D. Cokelet wrote:

> One way to get a logarithmic shade or fill would be to take the logarithm of 
> the values you want to plot first, then plot them.  Then your palette would 
> be annotated by something like 1, 2, ... meaning 10, 100,... in linear units. 
> Another way would be to shade or fill the values themselves without taking 
> the log and use the /levels switch like this:
>
> shade/lev="(0,1,1)(1,10,9)(10,100,90)(100,1000,900)"...
>
> ------------------------------------------------------------------------ 
> ------------------
> Edward D. (Ned) Cokelet, Ph.D.		Oceanographer
> NOAA/PMEL							off:  (206) 
> 526-6820
> 7600 Sand Point Way NE				fax: (206) 526-6485
> Seattle, WA 98115-6439
>
> Edward.D.Cokelet@noaa.gov
>
> The contents  of this message are mine personally and do not necessarily 
> reflect any position of the Government or the National Oceanic and 
> Atmospheric Administration.