Re: [ferret_users]RGB values for interlevels

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi Peter,
Interesting question. If you specify /LEV=(0,10,1) then there are 10 
levels: 0-->1, 1-->2, ... 9-->10.  And I think that's what one would 
expect; 1 through 10 inclusive.

When there are (-inf) and (inf) given then Ferret is using the same 
computation, with the additional colors on each end. So the levels are 
correct but there's a bug in the code that's saving the value of 
LEV_NUM; it should say 12.  We'll get that fixed. 

Ansley

Peter Szabo wrote:
> Hi,
>
> i counted the RGB values manually for my palette (inverse_bluescale 
> for example) after what You said. Thanks Ryo and Ansley. I wanted to 
> use the same palette i produced in FERRET in an other program,  thats 
> why i needed the RGB values.
>
> Anyway, i do not know what stands for the LEV_MIN and LEV_MAX. Also I 
> do not understand why it gives 13 numbers of levels. Does it say that 
> it would be better to use 13 levels instead of (my) 12 levels?
>
> yes? SHOW SYM lev*
> LEV_TEXT = "(-INF)(0,10,1)(INF)"
> LEV_MIN = "-1"
> LEV_MAX = "47.72"
> LEV_NUM = "13"
> LEV_DEL = "irregular"
>
> Peter