[vtkusers] 3D cellular automata

[Michael Scarpa]

Hi Nicola,

have you tried volume rendering?  Using 3D texture mapping it should  
be reasonably fast on a decent graphics chip.  You would need to  
convert your data representation, though.  Instead of actors (cubes),  
you would have to construct vtkImageData or vtkStructuredPoints.  The  
advantage of volume rendering (in general) would be that you van  
easily set the color of certain values to a defined opacity and  
therefore you can see "inside" the data.  Check the examples that  
come with VTK to see what volume rendering might do for you.  Of  
course, you can also do a lot of other nifty things once you have  
your data as vtkImageData, like isosurfacing, but you'll have to see  
if that would make sense with your data.  I can imagine that seeing a  
"cloud-like" surface showing areas of automata with certain features  
evolve over time might be insightful, but then again, I do have a lot  
of imagination ;-)  Hope that helps and please let me know if it  
does, I would be curious.

With kind regards,

Michael

On 8 Nov, 2006, at 10:08, ricca nicola wrote:

> Hi,
>
> Im trying to display a 3d cellular automata.
>
> I have a tridimensionnal array called ac that containt my automata.  
> To visulazise them, I have created an array of vtkActor with x*y*z  
> dimensions. eache cellular is represented by a vtkCubeSource. It  
> work well, but i can't use a big matrix (50*50*50) for my test  
> because my pc begins to ram .
>
> I need to use big matrix so i would like to know if there is a  
> proper way to do this. Some one has an idea or a hint ?
>
> Thanks in advance
>
>
> Ricca Nicola
>
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