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From: Philippe Debar
Subject: Re: [help] Illegal random number generator error
Date: 1 Dec 1999 04:51:15
Message: <3844ef93@news.povray.org>
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> Rand takes a special seed value as an argument. It should be like this:
>
> camera{}
> light_source{0 color rgb 1}
> #declare Seed = seed(5);
> #declare testval=rand(Seed);
Ooops. That was the way I used it (with #local, not #declare to be precise),
but I simplified it too much while I was chasing for my mistake. I'll try
again this evening...
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From: Philippe Debar
Subject: Re: [help] Illegal random number generator error
Date: 2 Dec 1999 03:41:15
Message: <384630ab@news.povray.org>
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Ron,
Thank you for putting me back on track so kindly. And not treating me like
the idiot I was. I do not know what went wrong with my mind. I mean: I use
rand() and seed() since they exist, a search on my HD for "seed(" reported
around 30 files I recently wrote myself, some no more than three weeks ago
(and few older because my HD is getting small, so I clean it frequently).
and yet this week I was unable to use it correctly. Were you to ask if I
read the doc I would have said "yes" without hesitation. Heck, I did before
posting. And reading your post, I did not understand what you wrote. I was
so sure I knew how to use rand(). Both with the doc and your post I
_skipped_ the seed() part. Unconsciously. I guess it's time I update _my_ OS
:-). Please, accept my apologise for being such a moron.
Thank you again.
Sincerely,
Philippe
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From: omniVERSE
Subject: Re: [help] Illegal random number generator error
Date: 2 Dec 1999 12:17:32
Message: <3846a9ac@news.povray.org>
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If it's any consolation, and I'm sure it couldn't possibly be, forgetfulness
mistakes are a common occurance for me also.
<test>Quick--- What's the correct method of writing a checker pattern
pigment?</test>
Bob
Philippe Debar <phi### [at] hotmail com> wrote in message
news:384630ab@news.povray.org...
> I do not know what went wrong with my mind. I mean: I use
> rand() and seed() since they exist, a search on my HD for "seed(" reported
> around 30 files I recently wrote myself, some no more than three weeks ago
> (and few older because my HD is getting small, so I clean it frequently).
> and yet this week I was unable to use it correctly.
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From: Mark Wagner
Subject: Re: [help] Illegal random number generator error
Date: 3 Dec 1999 01:45:14
Message: <384766fa@news.povray.org>
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omniVERSE wrote in message <3846a9ac@news.povray.org>...
><test>Quick--- What's the correct method of writing a checker pattern
>pigment?</test>
Source code or POV script?
Mark
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From: Philippe Debar
Subject: Re: [help] Illegal random number generator error
Date: 3 Dec 1999 05:48:56
Message: <3847a018$1@news.povray.org>
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omniVERSE wrote:
> If it's any consolation, and I'm sure it couldn't possibly be,
forgetfulness
> mistakes are a common occurance for me also.
>
> <test>Quick--- What's the correct method of writing a checker pattern
> pigment?</test>
That's easy: I am SURE I don't know!
I'll try nonetheless - just for fun
WARNING - GUESSWORK AHEAD
texture{pigment{ checker color rgb 1 color rgb 0}}
?
Philippe
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In article <3846a9ac@news.povray.org>, "omniVERSE" <inv### [at] aolcom>
wrote:
> <test>Quick--- What's the correct method of writing a checker pattern
> pigment?</test>
If what you want is a pattern of 2 pigments:
texture {
pigment {checker
pigment {PigmentA}
pigment {PigmentB}
}
}
--
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/
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From: Ron Parker
Subject: Re: [help] Illegal random number generator error
Date: 3 Dec 1999 08:19:47
Message: <3847c373@news.povray.org>
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On Fri, 3 Dec 1999 10:48:31 +0100, Philippe Debar wrote:
>omniVERSE wrote:
>> <test>Quick--- What's the correct method of writing a checker pattern
>> pigment?</test>
>
>That's easy: I am SURE I don't know!
>I'll try nonetheless - just for fun
>
>WARNING - GUESSWORK AHEAD
>texture{pigment{ checker color rgb 1 color rgb 0}}
It's a trick question. There's a "gotcha" in the parser that makes it not
work without either a comma or the "color" token (as you have it.)
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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From: Philippe Debar
Subject: Re: [help] Illegal random number generator error
Date: 8 Dec 1999 03:45:53
Message: <384e1ac1@news.povray.org>
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> It's a trick question. There's a "gotcha" in the parser that makes it not
> work without either a comma or the "color" token (as you have it.)
So I am right, since I was wrong (I knew I didn't)
:-)
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On Tue, 7 Dec 1999 12:48:01 +0100, Philippe Debar wrote:
>> It's a trick question. There's a "gotcha" in the parser that makes it not
>> work without either a comma or the "color" token (as you have it.)
>
>
>So I am right, since I was wrong (I knew I didn't)
No, you're wrong, because you were right.
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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From: Philippe Debar
Subject: Re: [help] Illegal random number generator error
Date: 9 Dec 1999 08:55:03
Message: <384fb4b7@news.povray.org>
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Ron Parker wrote :
> >So I am right, since I was wrong (I knew I didn't)
>
> No, you're wrong, because you were right.
Damn, I didn't think of that! Hey, wait a minute - if I forgot about that, I
was wrong, so I am right! (...) ...bu... but?
Aargh, I give up!
Confusedly
Philippe
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