Nice. :-D

This makes me want to expand my Corrosion macro to do more.

ian

"Jim Charter" <jrc### [at] msncom> wrote in message 
news:49b876e7@news.povray.org...
> Of passing interest...
>
> I quick first try at weathering/distressing by differencing from a
> figure's surface using Bill Pragnell's 'Encase' macro. The macro
> distributes objects evenly but randomly across another objects surface.
>
>
> The first example shows Bill's macro called four times with each pass
> adding to the distressed surface from the previous pass.  The
> differenced ojects are randomly scaled spheres with the spheres from
> each pass grouped in a separate union block before being differenced.
> With basic radiosity, one light, and no aa the render took 1h 15m.
>
> In the second example I used an adjusted version of the macro to
> difference blob components.  Again the macro was called four times but
> each time against the original figure, with the components from all four
> passes collected in the same blob before differencing. The render took
> 3m 6s.
>
> In the third example I again use blobs but, (similar to the spheres
> example,) each call of the macro creates a separate blob which is
> differenced from the figure before the subsequent pass.  3m 35s.
>
> The results are not immediately what I need, but I thought these tests
> might interest some of you.
>
> The targeted 'figure' for distressing is a mesh2 component from my
> Corinthian capital model, one of the acanthus sprigs.
>

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