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A storm is approaching.
Still working this out, but the key concepts are in place.
I could probably use a helpful quick-start pointer or two in using ffmpeg.
(but DAMN it is FAST! :O )
60 frames at 15 fps rendered in qtpov on Linux Mint 18.3
ffmpeg -y -r 15 -i SpiralWarp%02d.png -crf 15 -c:v libx264 -pix_fmt yuv420p
-metadata title="Prototype Spiral Warp - Bald Eagle 2018-07-22" Warp.mp4
looked good in konqeror
Post a reply to this message
Attachments:
Download 'warp.mp4.mpg' (246 KB)
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On 07/22/2018 10:43 PM, Bald Eagle wrote:
> A storm is approaching.
>
> Still working this out, but the key concepts are in place.
That is slick!
I was thinking of
> I could probably use a helpful quick-start pointer or two in using ffmpeg.
Uh, that command below looks fine. What else did you want to do?
Chapter marks on a 4 second video? ;)
> (but DAMN it is FAST! :O )
Faster than real time.
>
> 60 frames at 15 fps rendered in qtpov on Linux Mint 18.3
:D :D :D
>
> ffmpeg -y -r 15 -i SpiralWarp%02d.png -crf 15 -c:v libx264 -pix_fmt yuv420p
> -metadata title="Prototype Spiral Warp - Bald Eagle 2018-07-22" Warp.mp4
>
> looked good in konqeror
Looks superb in vlc.
--
dik
Rendered 328976 of 330000 (99%)
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That is really cool, a great starting point for some interesting animated
effects. I'm following this with great interest (thinking about what the
addition of *more* spirals/vortices would look like as they all interact-- and
with some warp{turbulence...} thrown into the mix.)
As-is, it looks like the effect is 'confined' to a square; it would be great to
see it confined to a circle instead (if possible)-- to be more like a storm.
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On 7/22/2018 10:43 PM, Bald Eagle wrote:
> A storm is approaching.
>
> Still working this out, but the key concepts are in place.
> I could probably use a helpful quick-start pointer or two in using ffmpeg.
> (but DAMN it is FAST! :O )
>
> 60 frames at 15 fps rendered in qtpov on Linux Mint 18.3
>
> ffmpeg -y -r 15 -i SpiralWarp%02d.png -crf 15 -c:v libx264 -pix_fmt yuv420p
> -metadata title="Prototype Spiral Warp - Bald Eagle 2018-07-22" Warp.mp4
>
> looked good in konqeror
>
Was the work on spiral warp ever completed? Is it implemented in POV 3.8?
Mike
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Mike Horvath <mik### [at] gmail com> wrote:
> Was the work on spiral warp ever completed? Is it implemented in POV 3.8?
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d2919d8729ff1951b6c6b3a0%40news.povray.org%3E/?ttop=432701
&toff=200
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d2a00d41a6827c24eec112d0%40news.povray.org%3E/?ttop=430026
&toff=50
I worked it all out to my satisfaction at the time:
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d3c5fe27be432e04eec112d0%40news.povray.org%3E/?ttop=429839
&toff=50
It hasn't been implemented anywhere else AFAIK.
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Can you link to the code itself? Have you written a tutorial? Thanks.
Mike
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Mike Horvath <mik### [at] gmailcom> wrote:
> Can you link to the code itself? Have you written a tutorial? Thanks.
> Mike
I mean there's what I posted, which includes the fundamental functions to
perturb a pigment pattern.
I haven't posted the source for the twisted spheres image - since that was long,
involved, and a skull-cracker.
I juggled a lot of big projects in a explosion of sustained activity, and then
with all that's been happening IRL, I just hit burnout, and needed to focus on
local things here for a while - so no tutorial.
I'm assuming you want to use it to make storms in your media?
The basic code to add a localized vortex to a pigment pattern is here:
http://news.povray.org/povray.binaries.images/message/%3Cweb.5d2a0c323717ac604eec112d0%40news.povray.org%3E/#%3Cweb.5d2
a0c323717ac604eec112d0%40news.povray.org%3E
Try that in a simple test scene and see if that works.
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On 2/7/2021 10:04 AM, Bald Eagle wrote:
> The basic code to add a localized vortex to a pigment pattern is here:
>
>
http://news.povray.org/povray.binaries.images/message/%3Cweb.5d2a0c323717ac604eec112d0%40news.povray.org%3E/#%3Cweb.5d2
> a0c323717ac604eec112d0%40news.povray.org%3E
>
> Try that in a simple test scene and see if that works.
>
>
Okay thanks!
Mike
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Hi(gh)!
On 07.02.21 03:02, Bald Eagle wrote:
> I worked it all out to my satisfaction at the time:
>
>
http://news.povray.org/povray.binaries.images/thread/%3Cweb.5d3c5fe27be432e04eec112d0%40news.povray.org%3E/?ttop=429839
> &toff=50
>
> It hasn't been implemented anywhere else AFAIK.
Wow! That would be perfect for my gas giants, such as Sagan/Whatmough or
Qais/Ghurghusht!
Which unofficial patch did you use?
See you in Khyberspace!
Yadgar
Now playing: Polonaise (Jon and Vangelis)
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=?UTF-8?Q?J=c3=b6rg_=22Yadgar=22_Bleimann?= <yaz### [at] gmxde> wrote:
> Hi(gh)!
> Wow! That would be perfect for my gas giants, such as Sagan/Whatmough or
> Qais/Ghurghusht!
>
> Which unofficial patch did you use?
When I get some rest and have some more energy and focus, I'm going to try to
make sure it's fully applicable for use with 3D pigment patterns and media.
I figured out how to implement a placement / repetition warp in SDL, and so once
it's all worked out, you should be able to plop multiple spiral warps into a
single pigment pattern definition, and have them all work.
It's gonna be a little complicated, so it may take some time, but the important
parts are figured out - so now it's just making a scene incorporating all of the
pieces, seeing what's broken or missing, and iteratively tweaking it...
No unofficial patch - it was all done in standard POV-Ray 3.8 (qtpovray)
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