Nice example Devon, I think you also meant to include <roundNums> in
your script, perhaps as:
roundNums=:<.@(0.5&+)
?.../Rob Hodgkinson
On 16/03/2009, at 12:44 PM, Devon McCormick wrote:
> Bill - does this help at all? I show how to create a plot palette
> that has
> a lower and an upper part.
>
> Regards,
>
> Devon
>
> --------------------------------------------------------------------------------------------------------------------
> load 'viewmat plot'
> stepsftn=:3 : 0
> NB.* stepsftn: vector of numbers from num, to num, in numsteps steps.
> 'from to numsteps'=. y
> from+(to-from)*(numsteps-1)%~i.numsteps
> )
>
> NB. Build palette from blue->green->yellow
> BGYPAL3=: ;stepsftn&.>0 60 30;62 80 30;80 100 26;102 140 85;142 210
> 43;220 255 42
> BGYPAL3=: BGYPAL3,:;stepsftn&.>0 100 55;102 140 30;142 224 86;228
> 255 85
> BGYPAL3=: BGYPAL3,;stepsftn&.>0 255 45;250 88 116;86 130 44;132
> 200 51
> BGYPAL3=: roundNums |:BGYPAL3
>
> NB. Look at the palette
> BGYPAL3 viewmat i. 16 16
>
> NB. Build palette half from previous one, second half: dark
> green->pink->pale pink
> PAL2=. (BGYPAL3#~256$1 0),(1|."1 BGYPAL3)#~256$1 0
> NB. Look at the palette
> PAL2 viewmat i. 16 16
> NB. Use this palette with "plot".
> RGCLR_jwplot_=: PAL2
> 'surface' plot +/~1 o. i:6j99
>
>
> On Fri, Mar 13, 2009 at 12:49 AM, Bill Harris <
> [email protected]> wrote:
>
>> I'm trying to do a surface plot with a 7 by 5 array (or something
>> like
>> that). I'd like to have a 3x5 field that's drawn from one color
>> family
>> and a 4x5 field that's from another color family.
>>
>> As best as I can tell, the color is only related to the height
>> along the
>> Z axis. Is there an easy way to create such a diagram with each
>> row (or
>> column) in a color family I select, perhaps with the intensity of the
>> colors related to the height? (Using the Brewer series might be
>> interesting eventually but not necessary right now; right now, I
>> need to
>> pick the color family.)
>>
>> Oh, and can I make the color rows go either way? I presume |: is
>> the key.
>>
>> Thanks,
>>
>> Bill
>> --
>> Bill Harris http://facilitatedsystems.com/
>> weblog/
>> Facilitated Systems Everett, WA 98208
>> USA
>> http://facilitatedsystems.com/ phone: +1 425
>> 337-5541
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/
>> forums.htm
>>
>
>
>
> --
> Devon McCormick, CFA
> ^me^ at acm.
> org is my
> preferred e-mail
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
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