Re: [Gnuplot-info] 2d fence plot w/ variable color

[Thomas S. <t.s...@fz...>]

change the 'fence plot' example a little bit:

reset
sinc(u,v) = sin(sqrt(u**2+v**2)) / sqrt(u**2+v**2)
set zrange [-1:1]
set xrange [-5:5]; set yrange [-5:5]
set parametric
set isosamples 2,33
xx=-5; dx=(4.99-(-4.99))/9
x0=xx; xx=xx+dx
x1=xx; xx=xx+dx
x2=xx; xx=xx+dx
x3=xx; xx=xx+dx
x4=xx; xx=xx+dx
x5=xx; xx=xx+dx
x6=xx; xx=xx+dx
x7=xx; xx=xx+dx
x8=xx; xx=xx+dx
x9=xx; xx=xx+dx
splot [][v=-4.99:4.99] \
        x0, v, sinc(x0,v) with lines lw 5 palette notitle, \
        x1, v, sinc(x1,v) with lines lw 5 palette notitle, \
        x2, v, sinc(x2,v) with lines lw 5 palette notitle, \
        x3, v, sinc(x3,v) with lines lw 5 palette notitle, \
        x4, v, sinc(x4,v) with lines lw 5 palette notitle, \
        x5, v, sinc(x5,v) with lines lw 5 palette notitle, \
        x6, v, sinc(x6,v) with lines lw 5 palette notitle, \
        x7, v, sinc(x7,v) with lines lw 5 palette notitle, \
        x8, v, sinc(x8,v) with lines lw 5 palette notitle, \
        x9, v, sinc(x9,v) with lines lw 5 palette notitle
pause -1
set view map
replot


Charlton Galvarino wrote:
> 
> Hi, list.
> 
> I am looking at http://gnuplot.sourceforge.net/demo_4.2/surface1.html,
> specifically the 'fence plot'.  I'd like to apply that to some chlorophyll
> traces.
> 
> I've been beating my head and scouring the net to see how I could take
> something like that and turn it into a 2d image but not lose the data. 
> I've gone through many hands on iterations, and nothing turns out quite
> right.
> 
> In the case of that example, I would want to drag the image down such that
> the X and Y axes would appear normally as a 2d chart, but the -1 to 1 Z
> axis data would be color-coded by a smooth gradient that I might see had I
> splot-ted w/ a palette.
> 
> In other words, I'd end up w/ 10 vertical lines on a 2d chart, but these
> vertical lines would each have multiple colors within each one to
> represent the Z value.  Each line would be like a variably colored
> gummyworm.
> 
> Ha, leave it to google images to give me an example
> http://tinyurl.com/yfml25m.
> 
> I hope that description makes some sense.
> 
> Many thanks,
> 
> Charlton
> 
> 
> 
> 
> 
> Charlton Galvarino
> 1 (803) 233-6205 : voice
> 1 (803) 223-9579 :   fax
> cha...@2c...
> 
> P.O. Box 50960
> Columbia, SC 29250
> 
> 
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