Re: [Gnuplot-info] Waterfall / Cascade Plot

[Ethan A M. <EAM...@gm...>]

On Thursday, 11 April 2013, Ethan A Merritt wrote:
> On Thursday, 11 April 2013, howudodat wrote:
> > I am trying to make a waterfall / cascade plot of csv data.  The data is 
> > 8192 rows of data x 600 columns of time. The first column is a frequency
> > label, the first row is shown below but doesn't actually exist in the data
> > file, neither do the spaces, they are shown just for ease of reading.
> > 
> > Frequency, Sec1, Sec2, Sec3...Sec600
> > 1e8, -95,  -90,  -92
> > 1.1e8, -100, -101, -103
> > ...
> > 
> > The data represents 600 seconds of fft data.  I would like the plot to look
> > something like the attached image.  The x axis should be the columns of data
> > (time), the y axis should be each row (frequency).  The z axis is intensity
> > and I'm hoping can be displayed both in height as well as color.
> 
> General solution (no matrix treatment):
> 
> set datafile separator ","
> set autotitle columnheader  # read a row of titles

Oops. Make that
  set key autotitle columnheader

	Ethan


> unset key                                # but don't use it for anything
> set grid x y z
> set hidden3d
> splot for [sec=1:600] 1:(sec):(column(sec+1)) with impulse lc palette
> 
> You may want to adjust the linewidth of the impulses,
> the palette coloring scheme, etc.
> 
> There's probably a way to read it as a matrix also,
> but I'm less sure of the syntax off the top of my head.
> 
> 
> 
> 	Ethan
> 
> 
> > I can control the input data if needed to remove the first column, but then
> > I would need to be able to specify the start/ stop range of the labels
> > 
> > <http://gnuplot.10905.n7.nabble.com/file/n17268/test.png> 
> > 
> > 
> > 
> > --
> > View this message in context: http://gnuplot.10905.n7.nabble.com/Waterfall-Cascade-Plot-tp17268.html
> > Sent from the Gnuplot - User mailing list archive at Nabble.com.
> > 
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> 
> 
> 


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