[vtkusers] [vtk-developers] Mandelbulb challenge

[Bill Lorensen]

Will,

Some early Siggraph work may be enlightening:
Generation and display of geometric fractals in 3-D
http://portal.acm.org/citation.cfm?id=801263
and
Ray tracing deterministic 3-D fractal
http://portal.acm.org/citation.cfm?id=74333.74363&type=series

I recall that they do on-the-fly rendering rather then generate a volume.

Bill

On Thu, Jan 21, 2010 at 6:43 AM, Will Schroeder
<will.schroeder at kitware.com> wrote:
> Yesterday Jason Shepherd at Sandia posted a link to stunning visualizations
> of an attempt to visualize the 3D Mandelbrot set
> http://www.skytopia.com/project/fractal/mandelbulb.html#renders
>
> Does anybody in the community want to take a stab at adding this capability
> to VTK? Somewhere out there are hidden geniuses just waiting for a challenge
> like this, I can feel it :-)
>
> My initial, uninformed thoughts on this would be to approach it one of two
> ways:
> 1. Create an implicit function and then use vtkSampleFunction to sample it.
> This would provide very quick and dirty initial results and enable us to get
> out heads around the mathematics.
> 2. Create a custom class to produce a 3D image dataset, and then render it
> using one of the many rendering techniques in VTK. This would provide
> greater flexibility in generating and defining data, including producing
> coloration, etc.
>
> Of course if you're really good you'll do this using the GPU :-) Maybe
> support streaming to a region, etc.
>
> I'd love to have this because, well it's really cool :-), but also as a test
> case/data source for large data, streaming, HPC, volume rendering and so on.
> If there is interest we'll create some wiki pages and kick the project off.
>
> Cheers,
>
> --
> William J. Schroeder, PhD
> Kitware, Inc.
> 28 Corporate Drive
> Clifton Park, NY 12065
> will.schroeder at kitware.com
> http://www.kitware.com
> (518) 881-4902
>
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