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"Roman Reiner" <lim### [at] gmx de> wrote:
> You might want to look up 'hollow' in the docs.
I read the section on hollow and was sure you were on to it. Unfortunately, it
didn't show any improvement. The previous image is with hollow set for the
sails. Assuming the mountain/beach was "inside" the sails.
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From: Tim Attwood
Subject: Re: Having trouble with tranparent textures and fog...
Date: 21 Jul 2009 14:27:38
Message: <4a66089a$1@news.povray.org>
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"Inquisitor" <dec### [at] sybasecom> wrote in message
news:web.4a65e3fd16e4c383182abe670@news.povray.org...
> "Roman Reiner" <lim### [at] gmxde> wrote:
>> You might want to look up 'hollow' in the docs.
>
> I read the section on hollow and was sure you were on to it.
> Unfortunately, it
> didn't show any improvement. The previous image is with hollow set for
> the
> sails. Assuming the mountain/beach was "inside" the sails.
You might need to put your fog (media) in a container, and
remove (difference) a small area so the sails aren't inside the fog.
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From: Tim Attwood
Subject: Re: Having trouble with tranparent textures and fog...
Date: 21 Jul 2009 14:28:37
Message: <4a6608d5$1@news.povray.org>
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> You might need to put your fog (media) in a container, and
> remove (difference) a small area so the sails aren't inside the fog.
Oh, and you should make sure max_trace_level is high enough.
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From: Thomas de Groot
Subject: Re: Having trouble with tranparent textures and fog...
Date: 22 Jul 2009 04:34:17
Message: <4a66cf09$1@news.povray.org>
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As far as I know, this is a bug within POV-Ray. I have had this problem
several times. Fog (not media I believe) has a problem with
textures/image_maps containing transparent sections. Hollow does not help in
this case. The best you can do is use media within a container instead of
fog.
Thomas
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> As far as I know, this is a bug within POV-Ray. I have had this problem
> several times. Fog (not media I believe) has a problem with
> textures/image_maps containing transparent sections. Hollow does not help in
> this case. The best you can do is use media within a container instead of
> fog.
>
> Thomas
Actually, transparent (transmit) works with fog, it's filter that has the
problem.
Try removing the filter statement from your sail & see how that works.
RG
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From: Christian Froeschlin
Subject: Re: Having trouble with tranparent textures and fog...
Date: 27 Jul 2009 14:57:34
Message: <4a6df89e$1@news.povray.org>
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gonzo wrote:
> "Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
>> As far as I know, this is a bug within POV-Ray.
> Actually, transparent (transmit) works with fog, it's filter that has the
> problem.
If this bug is still present in 3.7, it would be useful
to create a problem report at http://bugs.povray.org/, as
far as I can see no fog-related issue is listed there.
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From: Thomas de Groot
Subject: Re: Having trouble with tranparent textures and fog...
Date: 28 Jul 2009 08:16:06
Message: <4a6eec06@news.povray.org>
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"Christian Froeschlin" <chr### [at] chrfrde> schreef in bericht
news:4a6df89e$1@news.povray.org...
> If this bug is still present in 3.7, it would be useful
> to create a problem report at http://bugs.povray.org/, as
> far as I can see no fog-related issue is listed there.
Good idea. As soon as I have a little time, I shall re-visit an old scene of
mine where the problem was apparent, with transmit in the texture by the
way, not filter.
Thomas
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From: Thomas de Groot
Subject: Re: Having trouble with tranparent textures and fog...
Date: 30 Jul 2009 10:40:32
Message: <4a71b0e0@news.povray.org>
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"Christian Froeschlin" <chr### [at] chrfrde> schreef in bericht
news:4a6df89e$1@news.povray.org...
> If this bug is still present in 3.7, it would be useful
> to create a problem report at http://bugs.povray.org/, as
> far as I can see no fog-related issue is listed there.
With transmit, the problem is solved in 3.7.
In the image (old scene from 1999), from top to bottom: 3.5; 3.6; 3.7
Thomas
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Attachments:
Download 'estuary.jpg' (212 KB)
Preview of image 'estuary.jpg'
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> In the image (old scene from 1999), from top to bottom: 3.5; 3.6; 3.7
I presume the higher brightness level of the latter is due to different gamma
handling...?
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From: Thomas de Groot
Subject: Re: Having trouble with tranparent textures and fog...
Date: 1 Aug 2009 04:08:54
Message: <4a73f816@news.povray.org>
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"clipka" <nomail@nomail> schreef in bericht
news:web.4a71b7d116e4c383a13874630@news.povray.org...
> I presume the higher brightness level of the latter is due to different
> gamma
> handling...?
Yes, this was a quick and dirty test, without any fixes. Just the old scene
code, except for the #version changes.
Thomas
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