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On 5/15/2017 5:13 PM, Bald Eagle wrote:
> Stephen <mca### [at] aol com> wrote:
>
>> You can try this newsgroup. If it is too large it can only fail.
>> Otherwise youtube and post a link.
>
> Too big.
>
> An initial run was 5.59, the good one is 6.13MB.
> Shall I email the good one to you?
>
That would be good. But I am sure others would like to see it as well.
--
Regards
Stephen
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Stephen <mca### [at] aolcom> wrote:
> That would be good. But I am sure others would like to see it as well.
I'll email you, 'cause I know you're over there chomping at the bit, biting your
nails on the edge of your seat ;)
I'll re-render at a smaller size or maybe a slightly sparser frame number and
post here.
It was a busy weekend :)
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On 5/15/2017 5:20 PM, Bald Eagle wrote:
> http://planetpixelemporium.com/planets.html
>
> Wowza. :)
> Just the sort of thing I was looking for!
>
:)
That's a good site.
I've just noticed a slight discrepancy between image maps from different
sites. A slight discrepancy between the Height : Width ratio. I was
getting ghosting when using layered textures.
--
Regards
Stephen
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On 5/15/2017 6:07 PM, Bald Eagle wrote:
> Stephen <mca### [at] aolcom> wrote:
>
>> That would be good. But I am sure others would like to see it as well.
>
> I'll email you, 'cause I know you're over there chomping at the bit, biting your
> nails on the edge of your seat ;)
>
I am, I am. :)
I keep coming back to this subject year after year. The only thing I've
learned. Is that, the mind's eye is better than any camera. :)
> I'll re-render at a smaller size or maybe a slightly sparser frame number and
> post here.
>
> It was a busy weekend :)
>
That'll give you some time to put your feet up. ;)
--
Regards
Stephen
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"Kenneth" <kdw### [at] gmailcom> wrote:
> "Bald Eagle" <cre### [at] netscapenet> wrote:
>
> >
> > I also have some formulas for scaling something so that it's always at least a
> > pixel wide. I may add that so the apparent size never drops below a pixel.
> >
>
> That sounds interesting; I've never tried anything like that. If it's not too
> complicated to explain, *I'm* all ears. ;-)
So, define a Location and a LookAt variable for use in your camera definition
(and an optional Angle), and then plug those into this:
// Check if user-defined camera angle is used, otherwise set to default
#ifndef (Angle)
#local Angle = 67.38;
#end
#local M = (0.5*Aspect)/tan(radians(Angle/2));
#local Dist1 = vlength (ObjectLocation-Location);
#local ZA1 = Dist1/M;
#local Rad1 = ((ZA1/image_width)*Aspect);
A cylinder with Rad1 ought to give you a visible object at any distance.
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Ha! And today on G**gle:
Post a reply to this message
Attachments:
Download 'antikythera.png' (53 KB)
Preview of image 'antikythera.png'
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On 5/12/2017 1:10 PM, Bald Eagle wrote:
>
> Here's the animation of the solar system over one Earth year.
>
> I just worked out a fast and efficient approximation for apsidal (orbital)
> precession last night. (not that it will make any noticeable effect)
>
> Still need to look up a bunch of things and do some further editing on the code
> before it gets fleshed out.
>
> Not sure how I ought to place the planets - so I just started at full syzygy.
> I may trace out the orbits in a future version.
>
I just noticed this in p.u.utilities.
Drat! I cannot find p.u.utilities on the web view.
So I'll copy the text here. Posted by Clipka on 2nd Jan 2017
Hi folks,
looks like POV-Ray 3.7 has grown a 2nd-level patch by now:
https://github.com/kwan3217/KwanPov
KwanPOV is a derivative of UberPOV. I don't understand /exactly/ what
this guy is doing, but I have a hunch that anyone dabbling with
rendering stellar bodies of the solar system might be interested in
having a closer look at it.
--
Regards
Stephen
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On 5/22/2017 2:10 PM, Stephen wrote:
> Drat! I cannot find p.u.utilities on the web view.
Oh! yes I can. ;)
http://news.povray.org/povray.unofficial.patches/thread/%3C5869c086%241%40news.povray.org%3E/
--
Regards
Stephen
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I watched:
https://www.youtube.com/watch?v=jSQNEPbQOiI
over the weekend, and they highlighted this assembly:
http://www2.ups.edu/faculty/jcevans/Carman%20Thorndike%20Evans.pdf
with a claim to the effect that it was a gear mechanism unknown to modern
watchmakers. Given that there are such things as:
http://507movements.com/
I find that alone fascinating.
They then go on to say that according to their best guess - it was probably
Aristotle himself who invented the Antikythera device. :O
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On 5/22/2017 3:21 PM, Bald Eagle wrote:
> I watched:
>
> https://www.youtube.com/watch?v=jSQNEPbQOiI
>
> over the weekend, and they highlighted this assembly:
>
> http://www2.ups.edu/faculty/jcevans/Carman%20Thorndike%20Evans.pdf
>
> with a claim to the effect that it was a gear mechanism unknown to modern
> watchmakers. Given that there are such things as:
>
> http://507movements.com/
>
> I find that alone fascinating.
>
Thanks, I think that I will find some use for that site. In the future. :)
> They then go on to say that according to their best guess - it was probably
> Aristotle himself who invented the Antikythera device. :O
>
Ah! history. :)
--
Regards
Stephen
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