MathGroup Archive 2005

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rasterarray border?


hello,

I am drawing a rasterarray in which I need to draw a border/stroke round 
some of the elements in the array (all the ones != -1 below).

Show[Graphics[RasterArray[von /.
           {-1 -> RGBColor[1, 1, 1],
             0 -> RGBColor[0.97, 0.97, 1],
             1 -> RGBColor[0.3, 0, 0],
             2 -> RGBColor[1, .78, .78]}]],
     AspectRatio -> Automatic];

I haven't found a way to do this yet, any ideas/suggestions?

Thanks in advance!

Manuel


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