POV-Ray : Newsgroups : povray.beta-test : Known Bugs 24 Dec 2001 (beta 9) Server Time
30 Jul 2024 12:27:46 EDT (-0400)
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From: Rune
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:26:32
Message: <3c2fa2a8@news.povray.org>
"Thorsten Froehlich" wrote:
> Error in VRand_Object
> http://news.povray.org/3bc423e5[at]news.povray.org

Fixed in next beta.

> > Camera is off by half a pixel
> > http://news.povray.org/3bccc696@news.povray.org
>
> Will be changed in a future beta of 3.5 if #version 3.5 is used.

Will #version 3.5 have to be explicitely specified in the scene file, or
isn't it just the default?

> > Crash with no objects in scene
> > http://news.povray.org/3bd985b0@news.povray.org
> > (also reported as http://news.povray.org/3C19B9EA.D2E16FBC@gmx.de
>
> I cannot reproduce this.  Need to verify this bug still exists in beta 9.

This bug still exists in beta 9.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated Nov 5)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Thorsten Froehlich
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:50:32
Message: <3c2fa848$1@news.povray.org>
In article <3c2fa2a8@news.povray.org> , "Rune" <run### [at] mobilixnetdk>
wrote:

> Will #version 3.5 have to be explicitely specified in the scene file, or
> isn't it just the default?

As usual, the current version is the default version and it won't need to be
specified explicitly to activate version specific "changes".

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org


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From: Thorsten Froehlich
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:54:33
Message: <3c2fa939@news.povray.org>
In article <3c2f9fb8@news.povray.org> , "Anders K." <and### [at] prostard2gcom>
wrote:

>> > Camera is off by half a pixel
>>
>> Will be changed in a future beta of 3.5 if #version 3.5 is used.
>
> So that's what you meant. :-) Thanks!

Don't thank me.  It is not going to be changed based on my initiative.
It is a POV-Team decision to which I stand.

    Thorsten

____________________________________________________
Thorsten Froehlich
e-mail: mac### [at] povrayorg

I am a member of the POV-Ray Team.
Visit POV-Ray on the web: http://mac.povray.org


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From: ingo
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:54:39
Message: <Xns918897A773FEseed7@povray.org>
in news:3c2f9e16@news.povray.org Thorsten Froehlich wrote:

>> User_Abort_Command
>> (User_Abort_Command does not seem to work at all)
>> http://news.povray.org/Xns913D9F7268736seed7@povray.org
> 
> This might just be a user error.  Need details what users do and what
> they expect.

My expectation:
When I run the the animation \scenes\animations\boing\bounce.ini and 
manually stop the rendering somewhere, I expect the file bounce.txt to 
be deleted. This does not happen. When starting the renedering again it 
starts where it was left and not at the beginning (clock=0).
I modified the ini-file in several ways, for example use cmd instead of 
command or leave it out completely, or even start a totaly unrelated 
application with "User_Abort_Command", but nothing happens.

PII 233 192 MB, NT4 SP6
AthlonXP 1800 1.5 GB, Win2000 SP2
several betas of POV-Ray 3.5
POV-Ray 3.1g


Ingo


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From: Thorsten Froehlich
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:59:23
Message: <3c2faa5b@news.povray.org>
In article <Xns### [at] povrayorg> , ingo <ing### [at] homenl>  
wrote:

> When I run the the animation \scenes\animations\boing\bounce.ini and
> manually stop the rendering somewhere, I expect the file bounce.txt to
> be deleted. This does not happen. When starting the renedering again it
> starts where it was left and not at the beginning (clock=0).
> I modified the ini-file in several ways, for example use cmd instead of
> command or leave it out completely, or even start a totaly unrelated
> application with "User_Abort_Command", but nothing happens.

OK.  It requires a few platform specific adjustments to work with the GUI
based platforms.  This will happen in one of the next betas.  Right now it
works neither on the Mac nor Win versions, but does work on the command line
based platforms.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org


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From: JRG
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 18:59:32
Message: <3c2faa64$1@news.povray.org>
Thorsten Froehlich wrote:
> As usual, the current version is the default version and it won't need to be
> specified explicitly to activate version specific "changes".

Which means I made a dumb of myself ... :)


--
#local j=text{ttf"arial""JRG".2,0};#local J=0;#while(J<10)#local R=0;#while
(R<2)#local G=0;#while(G<1)#if(inside(j<R,G.1>))object{j scale.025translate
<R-1G-J/20J/-40+2>pigment{rgb<9J>}}#debug"O"#else#debug" "#end#local G=G+
.025;#end#local R=R+.05;#debug"\n"#end#local J=J+1;#end// JRG

Home: http://digilander.iol.it/jrgpov


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From: Mike Williams
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 22:14:33
Message: <m2Y+CHAFb9L8Ewnp@econym.demon.co.uk>
Wasn't it Thorsten Froehlich who wrote:
>
>> Save during render
>> (is very slow)
>> http://news.povray.org/jhaiduce@engin.umich.edu
>
>I am not able to find this on the server.

Oops. My fault. I copied the email address instead of the Message-ID.
Should be

http://news.povray.org/Pine.LNX.4.33.0111271256060.2190-100000@burpc3.en
gin.umich.edu


>> double_illuminate only works with direct lighting
>> http://news.povray.org/3BF6F1FE.D21B0C6@oreka.com
>
>Has not been confirmed.  Might just be a user misunderstanding.

I accepted the re-report of the problem in a different thread as
confirming it.
http://news.povray.org/3C03D9FC.B9F5E212@skynet.be

-- 
Mike Williams
Gentleman of Leisure


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From: Klaus Stengel
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 30 Dec 2001 23:30:36
Message: <3c2fe9ec@news.povray.org>
Hi!

> > [bug] orthographic camera bug?
> > (objects sometimes disappear when the orthographic camera is used)
> > http://news.povray.org/3bdca5eb@news.povray.org
>
> An even simpler scene for this would really help.

I tried to simplify the scene as much as possible an here is the result:

camera { location <0,1,-1.481813> look_at <0,1,0> angle 30 orthographic}
sphere { 0,1 texture { pigment {color rgb 1}  }  }
sphere { <0,2,0>,1 }
sphere { <0,-2,0>,1 }

I removed as much spheres as possible and reduced the number of
texture statements. Normally you should see a dark gray sphere segment
on the bottom half of the image (maybe you have to turn up your monitor's
brightness), but due to this bug you get only an entirely black image.
I made some more experiments with the above example and found out
that the problem only occurs when:

*  camera points exactly in Z direction
*  camera type is orthographic
*  camera location z-value >= -1.481814 for an angle of 30 degrees;
   This value also depends on the size of the first sphere; The smaller the
   the sphere, the smaller the z value must be (e.g. -1.582 for size 0.9)
*  there are at least 3 objects in the scene
*  the vista buffer is enabled

The problem seems to be caused by the vista buffer. When disabling the
vista buffer by adding -UV to the options the problem disappears
entirely; With object counts lower than 3 the vista buffer seems to
be always disabled, so that's why you need at least 3 objects to
reproduce it.

Oh, I nearly forgot:
AMD AthlonXP 1700+, nForce Chipset, 256 MB RAM (224 MB + 32 MB shared)
Windows XP Home Edition (German), POV-Ray 3.5 beta9

Klaus.


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From: Thorsten Froehlich
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 31 Dec 2001 06:44:02
Message: <3c304f82@news.povray.org>
In article <m2Y+CHA### [at] econymdemoncouk> , Mike Williams 
<mik### [at] nospamplease>  wrote:

>>> Save during render
>>> (is very slow)
>>> http://news.povray.org/jhaiduce@engin.umich.edu
>>
>>I am not able to find this on the server.
>
> Oops. My fault. I copied the email address instead of the Message-ID.
> Should be

No problem.  Thanks!

>>> double_illuminate only works with direct lighting
>>> http://news.povray.org/3BF6F1FE.D21B0C6@oreka.com
>>
>>Has not been confirmed.  Might just be a user misunderstanding.
>
> I accepted the re-report of the problem in a different thread as
> confirming it.
> http://news.povray.org/3C03D9FC.B9F5E212@skynet.be

Logged as job000207.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org


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From: Thorsten Froehlich
Subject: Re: Known Bugs 24 Dec 2001 (beta 9)
Date: 31 Dec 2001 06:50:18
Message: <3c3050fa@news.povray.org>
In article <3c2fe9ec@news.povray.org> , "Klaus Stengel" 
<pro### [at] technologistcom> wrote:

>> > [bug] orthographic camera bug?
>> > (objects sometimes disappear when the orthographic camera is used)
>> > http://news.povray.org/3bdca5eb@news.povray.org
>>
>> An even simpler scene for this would really help.
>
> I tried to simplify the scene as much as possible an here is the result:
>
> camera { location <0,1,-1.481813> look_at <0,1,0> angle 30 orthographic}
> sphere { 0,1 texture { pigment {color rgb 1}  }  }
> sphere { <0,2,0>,1 }
> sphere { <0,-2,0>,1 }

Thanks.  Now logged as job000208.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org


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