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MathGroup Archive 2007

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Re: listdensityplot, black box?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg74855] Re: [mg74828] listdensityplot, black box?
  • From: bsyehuda at gmail.com
  • Date: Sun, 8 Apr 2007 05:07:51 -0400 (EDT)

Hi,
You need to set the options Mesh to False
ListDensityPlot[lab2,Mesh->False]
regards
yehuda

On 4/7/07, alexxx.magni at gmail.com <alexxx.magni at gmail.com> wrote:
>
> I have a rectangular grid of data (249x400) in the simple form of
> values 0/1, e.g:
> {{1, 1, 0, ......, 1, 1, 1, 0, 0, 0, 0}, ... }
>
> I read them with
>
> - lab=Import["...image.pbm"]
>
> - lab2 = lab[[1, 1]]
>
> and Show[Graphics[Raster[lab2]]] shows the image OK.
>
> Now, whenever I do:
>
> - ListDensityPlot[lab2]
>
> I get no errors, but a completely black plot - of the correct size
> 249x400, however.
>
> I played a little with ColorFunction and ColorOutput, but it didnt
> help.
>
> Do you have any idea what I'm doing wrong???
>
> thanks for any help...
>
>
> Alessandro Magni
>
>
>


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