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William F Pokorny <ano### [at] anonymousorg> wrote:
> I acted on my yearly urge to do a Pov-Ray pumpkin.
>
> The isosurface using the base, shape and texture functions is in the
> upper left of the image. All other pumpkins are deformations of those
> functions as additional isosurfaces. The original image is a third
> larger than that attached and rendered in about 12 minutes with one
> light and radiosity.
>
> Bill P.
way better than my ISO pumpkin... code please?
Regards,
A.D.B.
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"Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:
> William F Pokorny <ano### [at] anonymousorg> wrote:
> > I acted on my yearly urge to do a Pov-Ray pumpkin.
> >
> > The isosurface using the base, shape and texture functions is in the
> > upper left of the image. All other pumpkins are deformations of those
> > functions as additional isosurfaces. The original image is a third
> > larger than that attached and rendered in about 12 minutes with one
> > light and radiosity.
> >
> > Bill P.
>
> way better than my ISO pumpkin... code please?
>
> Regards,
> A.D.B.
now you've got me going... only thing I can't quite figure out is the stem.
Regards,
A.D.B.
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Attachments:
Download 'isopumpkin.png' (40 KB)
Preview of image 'isopumpkin.png'
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From http://www.econym.demon.co.uk/isotut/real.htm
"The ln(1 - v*0.3157) bit in Fz becomes significant when v approaches pi (0.3157
is just a little lower than 1/pi). It creates the stalk."
I find this absolutely amazing.
Next thing you know these guys will be modeling pomegranites and such... :D
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On 09/16/2014 06:17 PM, Anthony D. Baye wrote:
>
> way better than my ISO pumpkin... code please?
>
> Regards,
> A.D.B.
>
Anthony, I've posted the code to p.b.scene-files.
Sean, As an isosurface the pumpkin can be made lumpy with the right
deformation though suppose to keep it from affecting the stem too much
it might need to be applied before the stem is added. Further, given the
displacement map approach, it is also possible to edit/change that map
and get some further variations in the surface but the depth of those
will be limited to the scale of the displacement.
All, The isosurfaces in the zip are set up with all intersections on so
it should be you can pick your pumpkin without change and hack away at
it with CSG to carve a pumpkin. Probably the Meat texture needs some
work so as to glow a bit - double illuminate. Not yet gotten to carving
my own pumpkin!
Bill P.
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