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JRG <jrg### [at] hotmail com> wrote:
: I have to say that I did know POV (I mean MegaPov) can make such images.
: That's the reason why I use Pov instead of Lightflow (which is much less
: flexible even if it has some interesting features).
I wasn't actually answering to your question. I just was curious whether
I could make a similar image with povray or not, and decided to post the
results in the same thread.
: My question was about
: the render time of such features and not about quality. The Lightflow image
: I posted took just one minute or two to render (and, I have to repeat,
: everything but the shadows is raytraced). The same image made with MegaPov,
: which is posted here (I modified Warp's texture to make it more like the
: original), took more than 40 minutes to render with my Athlon 1Ghz
This can't be true.
The image I posted took 13 minutes to render in this Ultra5. The rendering
speed of this computer is aproximately the same as of a P-II 400MHz.
An Athlon would have rendered it in less than 5 minutes.
You have to also take into account that the version I posted uses an
isosurface while the lightflow version uses probably just a triangle mesh (or
does it?).
If I had created a triangle mesh instead, it would have probably doubled
the rendering speed. (Perhaps I should test this.)
: (with an area light 10x10 and adaptive 1).
Well, of course if we start to add unnecessary quality... Why not use
+a0 +am2 as well? And radiosity?
Of course this way we can make it slower.
: To Warp only: I'll give you money if you manage to make the second image I
: posted with MegaPov (hope you will). Ah, render time was somewhere between 5
: and 6 minutes...
I can try.
--
#local D=array[6]{11117333955,7382340,3358,3900569407,970,4254934330}
#local I=0;#macro M()<mod(D[I],13)-6,mod(div(D[I],13),8)-3,10>#end
#while(I<6)cylinder{M()#local D[I]=div(D[I],104);M().1
pigment{rgb M()}}#local I=(D[I]>99?I:I+1);#end /*- Warp -*/
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