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MathGroup Archive 2000

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Re: Problem with Rasters & Density Plots

  • To: mathgroup at smc.vnet.net
  • Subject: [mg21398] Re: Problem with Rasters & Density Plots
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 4 Jan 2000 02:12:31 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <84plkm$lt8@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

set the Mesh-Option to false.

I assume you have images with pixels > 200 x 200
Matheamtica try to draw black mesh lines and the mesh 
lines erase the density graphics below.

Hope that helps
  Jens

KCConnolly at aol.com wrote:
> 
> I'm running Mathematica 3.0, and have just noticed that the Raster, Raster
> Array, and Density Plot commands return all black graphics, regardless of the
> color directives I use.  I would assume that I'm doing something wrong, but
> for the fact that the graphics for these topics in my interactive version of
> the Mathematica book also turn up all black.  All other graphics (contour
> graphics, 3D graphics, etc.) work fine:  it's just these that are a problem.
> 
> I haven't had occasion to use these features since I upgraded (?) my
> operating system from Win 95 to Win 98 a month ago, so I'm not sure if it's
> related to that, to Y2K, or some other reason.  Any suggestions would be very
> much appreciated.
> 
> Kevin Connolly


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