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Abstract cube.
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Funny I also played around with a semi-transparent cube last night.
Were you by chance trying to make a "jelly" cube? ;) (see p.newusers)
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"Christian Froeschlin" <chr### [at] chrfr de> wrote in message
news:4b02bcb7@news.povray.org...
> Funny I also played around with a semi-transparent cube last night.
> Were you by chance trying to make a "jelly" cube? ;) (see p.newusers)
Yeah, this looks a little more like water than jelly though. =(
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Tim Attwood wrote:
> Yeah, this looks a little more like water than jelly though. =(
It may hard to get something to look like jelly and allow
to see the background through it as requested ;) My version
ended up mostly opaque and with dubious inner reflections.
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I was playing with translucent cubes recently. : The cubes of side 1, 1/2, 1/3.
1/4, etc can be stacked to give a tower of any height, but they collectively
have a finite surface area (pi squared) and volume (zeta(3)).
Here are the first few of these cubes, in coloured glass, with pseudo-HDRI
lighting.
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"PM 2Ring" <nomail@nomail> schreef in bericht
news:web.4b0416847e0782c5f4c648ed0@news.povray.org...
>I was playing with translucent cubes recently. : The cubes of side 1, 1/2,
>1/3.
> 1/4, etc can be stacked to give a tower of any height, but they
> collectively
> have a finite surface area (pi squared) and volume (zeta(3)).
>
> Here are the first few of these cubes, in coloured glass, with pseudo-HDRI
> lighting.
>
oooh! very nice.
Thomas
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> "PM 2Ring" <nomail@nomail> schreef in bericht
> news:web.4b0416847e0782c5f4c648ed0@news.povray.org...
> > Here are the first few of these cubes, in coloured glass, with pseudo-HDRI
> > lighting.
> >
>
> oooh! very nice.
>
> Thomas
Thanks, Thomas! It's great to see you are still here ray-tracing.
I've been learning more about Linux & have even done a little bit of X windows
programming in C. But most of my programming lately has been in Python, which is
great fun. I haven't used Python much in conjunction with POV-Ray, but as I
mention in the Mandelbulb thread "'Accidental" Isosurface", I was using Python
to generate Mandelbulb data, although I translated my program to C today for
reasons of speed.
Most of my ray tracing in the last few years has been to create geometric
diagrams. Like this illustration of the equation xy + yz + zx = 0, which is a
double cone centred on the x+y+z axis. The surface only passes through the
(obviously) divide it symmetrically. This diagram looks best when rotated, but
the anim is a bit large to post here.
The cubes use the default ior of 1.0, since I didn't want any distortion. I used
the ancient quadric{} object for this surface; it was the natural choice, given
its equation. I don't think I've used quadric directly since the days of
DKBtrace! :)
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"PM 2Ring" <nomail@nomail> schreef in bericht
news:web.4b081e217e0782c5f4c648ed0@news.povray.org...
> "Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
>> "PM 2Ring" <nomail@nomail> schreef in bericht
>> news:web.4b0416847e0782c5f4c648ed0@news.povray.org...
>> > Here are the first few of these cubes, in coloured glass, with
>> > pseudo-HDRI
>> > lighting.
>> >
>>
>> oooh! very nice.
>>
>> Thomas
>
> Thanks, Thomas! It's great to see you are still here ray-tracing.
Thanks! I have no intentions to leave soon :-) and it is nice to see some of
your work again. You have been silent for some time on the POV-side of
things...
I am very interested in the mandelbulb thing you and others are exploring. I
am not a programmer, so I just keep droping my jaw at the images. But I see
high potentials for stunning landscapes and such.
Thomas
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