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Sven Littkowski wrote:
> Hi everyone,
>
> I am asking you for a test render of my scene. On my computer, this
> scene takes forever, and I want to find out, how fast it renders on your
> computer.
>
> If you're interested to assist me with this little favor, please let me
> know, and I will give you then all scene files. It is not a complete
> scene, but just a part of it:
> +sc0.248406 +sr0.444099 +ec0.441055 +er0.635475
>
> Please let me then know the time this part takes on your system. Thanks.
Hi, I have your render going on my machine and it's hanging at 2% for a while
now. It had me stumped for a bit since your scene has 133K objects and 14
light sources which shouldn't be such a problem. I've had scenes with 5M
objects render in a matter of minutes so I went looking for the culprit in
your code and I think I found it. You have a large number of difference
declarations in the code. A difference declaration is an absolute bitch when
it comes to rendering. I will go a long way to union-ing smaller objects to
avoid having to use a difference declaration. I suspect that you can save a
lot of render time if you rewrite your code avoiding the difference
declaration.
Btw, I'm running your code on a 8-core AMD at 4.2 Ghz and 16 GB mem. Not the
slowest in the bunch
--
Ger
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Weeping, weeping, weeping...
On 29.01.2016 03:17, dick balaska wrote:
> Celerons are really slow for povray.
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Yes, I use some Differences, true, indeed. If they are the cause, then I
must find a way to avoid them. Not easy, because I plan to design many
decks and rooms inside the ship, too.
There are some locations where I can replace them, but there are other
locations, where I don't know in which other way to achieve a similar
result.
Thanks a lot for your time, good intention, and valuable feedback, Ger.
Thanks, of course, to everyone else, too. :-)
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> Yes, I use some Differences, true, indeed. If they are the cause, then I
> must find a way to avoid them. Not easy, because I plan to design many
> decks and rooms inside the ship, too.
>
> There are some locations where I can replace them, but there are other
> locations, where I don't know in which other way to achieve a similar
> result.
>
> Thanks a lot for your time, good intention, and valuable feedback, Ger.
> Thanks, of course, to everyone else, too. :-)
>
Use a difference of few large objects, then, add with union the smaller,
more detailed parts.
For the interior rooms, model them as modular sub-objects to be aranged
as needed. Don't forget to NOT place those that are obviously out of view.
An union of 100000 simple differences of two objects making a large
object renders a *lot* faster than a difference of one base objects and
1000 holes.
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Sven Littkowski wrote:
> Yes, I use some Differences, true, indeed. If they are the cause, then I
> must find a way to avoid them. Not easy, because I plan to design many
> decks and rooms inside the ship, too.
>
> There are some locations where I can replace them, but there are other
> locations, where I don't know in which other way to achieve a similar
> result.
>
> Thanks a lot for your time, good intention, and valuable feedback, Ger.
> Thanks, of course, to everyone else, too. :-)
I did a little test
#declare DifferenceSquare = difference {
box{<0, 0, 0>, <3, 3, -0.5>}
box {< 1, 1, 1>,< 2, 2, -1>}
}
#declare DifferenceWall = union {
#for(C1, 0, 200, 1)
#for(C2, 0, 100, 1)
object {DifferenceSquare translate <C1 * 3,C2 * 3, 0>}
#end
#end
pigment {rgb 0.5}
}
#declare FullDifferenceWall =
difference {
box {<0, 0, 0>,<600, 300, -0.5>}
#for(C1,0, 200, 1)
#for(C2, 0, 100, 1)
box {<0, 0, -1>,<1, 1, 1> translate <C1 * 3 +1, C2 * 3 + 1, 0>}
#end
#end
pigment {rgb 0.5}
}
For the DifferenceWall
Trace Time: 0 hours 0 minutes 0 seconds (0.586 seconds)
using 8 thread(s) with 3.062 CPU-seconds total
For the FullDifferenceWall
Trace Time: 0 hours 4 minutes 45 seconds (285.435 seconds)
using 8 thread(s) with 1494.015 CPU-seconds total
"Proof is in the pudding" they say.
--
Ger
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Thanks! I am going to make a lot of changes to my spaceship.
Question: is it possible to make some sort of export of Sketchup scenes
in a way, that I can load it into POV-Ray (as mesh)? There was once that
Skechup Plugin SU2Pov, but that was for an older vesion of SketchUp.
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Sven Littkowski wrote:
> Thanks! I am going to make a lot of changes to my spaceship.
>
> Question: is it possible to make some sort of export of Sketchup scenes
> in a way, that I can load it into POV-Ray (as mesh)? There was once that
> Skechup Plugin SU2Pov, but that was for an older vesion of SketchUp.
Who and what are you responding to?
It does help if you quote (parts off) the previous message.
--
Ger
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In parts, to you (changes).
And I also gave a new question to everyone. :-)
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Sven Littkowski wrote:
> In parts, to you (changes).
>
> And I also gave a new question to everyone. :-)
Never mind, I'm done with this.
--
Ger
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Well, thanks again.
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