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I'm developing a scene using Jaimes Vives' non-media clouds include file.
Oddly enough, when I use MegaPov 0.5 and use the line
#version unofficial MegaPov 0.5;
the clouds disappear. If I change the 0.5 back to 0.4 but still use the same
binary, the clouds reappear.
Has anyone else had similar problems? Is this just a side effect from a new
feature, or is it bug?
Darcy
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Darcy Johnston <djo### [at] iname com NOSPAM> wrote in article
<39304e0a$1@news.povray.org>...
> I'm developing a scene using Jaimes Vives' non-media clouds include file.
> Oddly enough, when I use MegaPov 0.5 and use the line
> #version unofficial MegaPov 0.5;
> the clouds disappear. If I change the 0.5 back to 0.4 but still use the
same
> binary, the clouds reappear.
> Has anyone else had similar problems? Is this just a side effect from a
new
> feature, or is it bug?
I don't know. I have had other problems, though. The most serious is the
disc object. Whenever combined with any other primitive, it causes the
intersection, difference, whatever, to disappear. This is especially
noticable when you #declare the object and use it over and over again. None
show. Nathan, I know you're gonna read this, so is there anything you can
do about it??
H.E. Day
<><
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I've run into this problem using the granite pattern (on which I think
Vives' clouds were based). I wonder if this is a result of the
re-hashing of the noise, bozo, etc. patterns.
For a fix try decreasing the color_map indecies.
Abe
Darcy Johnston wrote:
>
> I'm developing a scene using Jaimes Vives' non-media clouds include file.
> Oddly enough, when I use MegaPov 0.5 and use the line
> #version unofficial MegaPov 0.5;
> the clouds disappear. If I change the 0.5 back to 0.4 but still use the same
> binary, the clouds reappear.
> Has anyone else had similar problems? Is this just a side effect from a new
> feature, or is it bug?
>
> Darcy
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Darcy Johnston <djo### [at] iname com NOSPAM> wrote in message
news:39304e0a$1@news.povray.org...
> I'm developing a scene using Jaimes Vives' non-media clouds include file.
> Oddly enough, when I use MegaPov 0.5 and use the line
> #version unofficial MegaPov 0.5;
> the clouds disappear. If I change the 0.5 back to 0.4 but still use the
same
> binary, the clouds reappear.
> Has anyone else had similar problems? Is this just a side effect from a
new
> feature, or is it bug?
>
Yes, I've had a similar problem with the lensflare or lenseffects. I don't
understand it, with 0.5 its gone, 0.4 its there. Hmmm.
Kane
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Darcy Johnston wrote:
>
> I'm developing a scene using Jaimes Vives' non-media clouds include file.
> Oddly enough, when I use MegaPov 0.5 and use the line
> #version unofficial MegaPov 0.5;
> the clouds disappear. If I change the 0.5 back to 0.4 but still use the same
> binary, the clouds reappear.
> Has anyone else had similar problems? Is this just a side effect from a new
> feature, or is it bug?
>
I had very similar problems. I think the problem is the fixed noise function
(wrinkles, bozo, bumps, dents, turbulence). It actually works correctly now, but
inevitably breaks some scenes.
Try increasing the dense part of the colour_map or density_map. For example, if
the old colour_map was
{[.1 rgb 1][.3 rgb 0]}
try changing it to
{[.2 rgb 1][.4 rgb 0]}
Worked for me. It will take some tweaking to get back the old look.
--
Margus Ramst
Personal e-mail: mar### [at] peak edu ee
TAG (Team Assistance Group) e-mail: mar### [at] tag povray org
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H. E. Day <Pov### [at] aol com> wrote...
> I don't know. I have had other problems, though. The most serious is
the
> disc object. Whenever combined with any other primitive, it causes the
> intersection, difference, whatever, to disappear. This is especially
> noticable when you #declare the object and use it over and over again.
None
> show. Nathan, I know you're gonna read this, so is there anything you can
> do about it??
Yes. That is caused by a bug in the "fast disc patch". I'm going to remove
the patch for 0.5a (which will be available soon).
-Nathan
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kane <ann### [at] mindspring com> wrote...
>
> Yes, I've had a similar problem with the lensflare or lenseffects. I
don't
> understand it, with 0.5 its gone, 0.4 its there. Hmmm.
> Kane
That's caused by a bug in the fast disc patch, which will be removed.
-Nathan
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Abe <bul### [at] taconic net> wrote...
> I've run into this problem using the granite pattern (on which I think
> Vives' clouds were based). I wonder if this is a result of the
> re-hashing of the noise, bozo, etc. patterns.
> For a fix try decreasing the color_map indecies.
>
> Abe
Past experiences would tell me that this is the problem.
-Nathan
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Nathan Kopp <Nat### [at] Kopp com> wrote...
>
> kane <ann### [at] mindspring com> wrote...
> >
> > Yes, I've had a similar problem with the lensflare or lenseffects. I
> don't
> > understand it, with 0.5 its gone, 0.4 its there. Hmmm.
> > Kane
>
> That's caused by a bug in the fast disc patch, which will be removed.
Or, if anyone wants to find a fix for this so we can keep the fast disc
patch, go ahead!
-Nathan
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From: Dejan D M Milosavljevic
Subject: Re: Odd result with MegaPov 0.5
Date: 9 Jun 2000 06:28:01
Message: <3940c6b1@news.povray.org>
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1. Send the problematic scene or scenes on my mail or this news group.
Wating ...
--
***************************
dmi### [at] xoommail com
http://members.xoom.com/dmilos/
***************************
Nathan Kopp <Nat### [at] Kopp com> wrote in message
news:393295db@news.povray.org...
>
> Nathan Kopp <Nat### [at] Kopp com> wrote...
> >
> > kane <ann### [at] mindspring com> wrote...
> > >
> > > Yes, I've had a similar problem with the lensflare or lenseffects. I
> > don't
> > > understand it, with 0.5 its gone, 0.4 its there. Hmmm.
> > > Kane
> >
> > That's caused by a bug in the fast disc patch, which will be removed.
>
> Or, if anyone wants to find a fix for this so we can keep the fast disc
> patch, go ahead!
>
> -Nathan
>
>
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