"Jozef Gatial" <gat### [at] contalsk> wrote in message
news:3BE2B750.A1E4AE80@contal.sk...
> Gilles Tran wrote:
> >

> > 3BE### [at] contalsk...
> >
> > > Can you help me, please. How to do motion_blur in PovRay 3.5 fot these
> > > propellers. With "transmit all" I was not very succesfull
> >
> > One way would be to make multiple, rotated copies of the propeller with a
> > transparent texture and a high enough max_trace_level.
> > #declare i=0;
> > #declare nc = 20; // number of copies
> > #declare maxr=15; // max angle of rotation
> > #while (i<nc)
> >     // propeller centered in <0,0,..> and oriented along z
> >     object{Propeller rotate z*i*maxr/nc}
> >     #declare i=i+1;
> > #end
> >
> > G.
> > --
> >
>
> I tried it. I'm not sure how high was my max_trace_level but space
> between single copies was very dark. Maybe problem was I used for them
> union and/or merge. I will try it and on Monday send to you result to
> compare with MegaPov's picture. Thank you very much
> Jozef Gatial

I would use something like a media filled sphere-sweep with a stretched out
sphere the same size as a prop.

- Nekar


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