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On 12/11/2017 01:02 PM, Eriban wrote:
> Yes, I have. However, it can indeed be quite confusing. See the attached image.
> The top shows Super Nova, where I used a wire frame and contrasting colours to
> enable identification of the different pieces. The bottom shows Helix the Burr,
> where the animation lets the X-Ray scan got from top to bottom and back. This
> makes it clear what is happening at the boundary, but as you can see, overall
> the result is quite confusing. But then again, it's not that surprising that 3D
> information cannot be easily mapped to two dimensions.
I'd like to see more of the wireframe version. But yeah, Helix the Burr
looks like crap.
--
dik
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dick balaska <dic### [at] buckosoftcom> wrote:
> I'd like to see more of the wireframe version. But yeah, Helix the Burr
> looks like crap.
The Super Nova animation can also be found on YouTube:
https://youtu.be/l_Rt7A7E_6Q
It requires a record-breaking 166 moves to release the first piece! Even for a
die-hard puzzle lover like me that was a bit much...
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On 11/12/2017 22:12, Eriban wrote:
> The Super Nova animation can also be found on YouTube:
> https://youtu.be/l_Rt7A7E_6Q
I don't have the words. :-D
--
Regards
Stephen
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On 12/11/2017 05:12 PM, Eriban wrote:
> dick balaska <dic### [at] buckosoftcom> wrote:
>> I'd like to see more of the wireframe version. But yeah, Helix the Burr
>> looks like crap.
>
> The Super Nova animation can also be found on YouTube:
> https://youtu.be/l_Rt7A7E_6Q
>
> It requires a record-breaking 166 moves to release the first piece! Even for a
> die-hard puzzle lover like me that was a bit much...
>
Perfect music!
It looks to me like move 49 == move 0. I'm sure there's something
different...
--
dik
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On 12/10/2017 03:58 AM, Eriban wrote:
> Maybe the sparkling you see is due to your anti-aliasing settings? Jitter should
> be set to zero.
No Jitter. AA is
Antialias_Depth=3
Antialias=On
Antialias_Threshold=0.3
www.buckosoft.com/tteoac/
Skip to 7:30 and see the blechy wood grain on the entertainment unit.
And the floor in that room also at 5:30. Just bleh.
I'm going to try some experiments with your textures. Thanks!
--
dik
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On 12/12/2017 10:03, dick balaska wrote:
> Perfect music!
Eriban's choice of music is always good for the animations. I also
noticed who the music was by.
--
Regards
Stephen
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Am 12.12.2017 um 11:11 schrieb dick balaska:
> www.buckosoft.com/tteoac/
> Skip to 7:30 and see the blechy wood grain on the entertainment unit.
Straightforward moiree effect. Patterns almost exactly matching the
render resolution are really hard for conventional anti-aliasing. Even
cranking up the anti-aliasing depth or threshold won't help a thing.
As a matter of fact, anti-alias jitter might actually /help/ here.
To truly get rid of this type of artifacts, I'd recommend UberPOV's
anti-alias mode 3, though you may need high settings to avoid random noise.
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clipka <ano### [at] anonymousorg> wrote:
> Straightforward moiree effect.
Is this an alternate spelling?
I've always seen it as:
https://en.wikipedia.org/wiki/Moir%C3%A9_pattern
It's just one of those things that I pick up on, like:
tumeric vs turmeric
dilemna vs dilemma
moisin nagant vs Mosin-Nagant
foilage vs foliage
clip vs magazine
911 vs 1911
and I'm sure there are oh so many more
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clipka <ano### [at] anonymousorg> wrote:
> Am 12.12.2017 um 11:11 schrieb dick balaska:
>
> > www.buckosoft.com/tteoac/
> > Skip to 7:30 and see the blechy wood grain on the entertainment unit.
>
> Straightforward moiree effect. Patterns almost exactly matching the
> render resolution are really hard for conventional anti-aliasing. Even
> cranking up the anti-aliasing depth or threshold won't help a thing.
>
That's interesting and good to know. I've spent lots of time trying to eliminate
those effects with extreme AA settings (to no avail)-- thinking that others here
may have had some 'trick' that I didn't know about ;-)
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Am 13.12.2017 um 02:21 schrieb Kenneth:
> clipka <ano### [at] anonymousorg> wrote:
>> Am 12.12.2017 um 11:11 schrieb dick balaska:
>>
>>> www.buckosoft.com/tteoac/
>>> Skip to 7:30 and see the blechy wood grain on the entertainment unit.
>>
>> Straightforward moiree effect. Patterns almost exactly matching the
>> render resolution are really hard for conventional anti-aliasing. Even
>> cranking up the anti-aliasing depth or threshold won't help a thing.
>>
>
> That's interesting and good to know. I've spent lots of time trying to eliminate
> those effects with extreme AA settings (to no avail)-- thinking that others here
> may have had some 'trick' that I didn't know about ;-)
"Brute force AA", aka rendering /all/ pixels at a much higher resolution
and then downsampling, would be an alternative.
POV-Ray tries to be smart and skip the oversampling in regions where
initial samples indicate that the region is uniformly coloured. But if
the initial samples are taken in a regular grid, and that grid happens
to coincide with the pattern frequency, regions may be erroneously
identified as uniform when they're not at all.
There's one other approach that works quite well in standard POV-Ray:
Use ever so slight focal blur, and use high-quality focal blur parameters.
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