I have found my fault, I dind 't set the colorindices array
Mohammed Akacem schrieb:
> to show back and front faces of a cube I am using two Shape3D objects
> and two GeometryInfo objects.
> I am reversing the coordinatindices array to show the back face.(I
> checked that the array is right reversed)
>
> I tried the whole afternoon but I have no idea why I got the following
> exception
>
> java.lang.NullPointerException
>
> at
> com.sun.j3d.utils.geometry.GeometryInfo.checkForBadData(GeometryInfo.java:1280)
>
> at
> com.sun.j3d.utils.geometry.NormalGenerator.generateNormals(NormalGenerator.java:753)
>
> thanks for any hint
>
> Mohammed
>
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