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From: <HIDDEN>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Density scatter plots in Matlab
Date: Mon, 14 Jul 2008 15:13:03 +0000 (UTC)
Organization: North Carolina State University
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Peter Perkins <Peter.PerkinsRemoveThis@mathworks.com> wrote 
in message <g5fnkj$rkc$2@fred.mathworks.com>...
> matt dash wrote:
> > "Andrew " <rearwindow1954@yahoo.com> wrote in message
> > <g5e857$pml$1@fred.mathworks.com>...
> >>
> >> What I would really like is a scatter plot that is 
colored 
> >> coded.  A certain color would correspond to a certain 
> >> range of numbers of points that are in a certain area 
of 
> >> the plot.  In other words, I would like to make a 
color 
> >> coded "density" plot.  
> >>
> >> I can't seem to find a way to do this in the 
documentation 
> >> for the scatter command.  
> >>
> >> Do you know if there is a way to create such color 
coded 
> >> density plots?
> >>
> >> Thanks.
> > 
> > I'm pretty sure there's a file on the file exchange that
> > does this
> 
> This may be what Matt is referring to:
> 
> <http://www.mathworks.com/matlabcentral/fileexchange/
loadFile.do?objectId=13352&objectType=file>

Or try plot3k, which I takes about 3 secs to plot the peaks 
function with 1001x1001 data points.

http://www.mathworks.com/matlabcentral/fileexchange/
loadFile.do?objectId=9519&objectType=file

Ken