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From: !
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 21 Jul 2003 10:52:13
Message: <3f1bfe1d@news.povray.org>
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Ta - good idea!
"ABX" <abx### [at] abx art pl> wrote in message
news:vp0nhvotooe2s61no86ee6rvn776pmu1jg@4ax.com...
> On Sun, 20 Jul 2003 21:01:31 +1000, " !" <ban### [at] bangbang om> wrote:
> > I wish to buy some services from a programmer comfortable
> > with programming graphics.
>
> See point 5 or 6 at http://www.povray.org/supporting-povray.html if your
wish
> fits. Use email listed there.
>
> ABX
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From: !
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 23 Jul 2003 09:26:25
Message: <3f1e8d01$1@news.povray.org>
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Nobody replied.
Is anyone here interested?
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From: Tim Nikias v2 0
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 23 Jul 2003 11:25:26
Message: <3f1ea8e6$1@news.povray.org>
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Well, it sounds like a fun thing to do, and it
isn't than complicated really. To take a string,
divide it into different parts, then use these
as base for the rand()-Stream, that's not
very difficult. Actually, I've done that for
years. But it would involve POV-Ray
as the raytracing engine.
I see a problem in the precalculation of
images. One could easily create tons of
abstract images based on a random-stream.
But generating images, like faces (though
cartoonish like ones would probably be
sufficient), isn't so easy to do. My main
problem is that there would have to be a routine
which will hand the string to the image-file.
For example, I could easily create some scene
which will take a certain file (like "keyword.inc")
which has a string inside (with quotes at beginning
and end, e.g. "thisisthekeyword") and render an
image from that. I could even take the keyword,
joggle it around and render a sequence of random
images directly (if file I/O is supported so that I can
keep an ever evolving random-number somewhere).
Another problem lies in the speed of rendering
with POV-Ray, which would mean that there'd
be either waiting when loading the password-screen,
or precalculation of images involved. You can
email me for details if you like, but I can't make promises
just yet.
Regards,
Tim
--
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
> Nobody replied.
>
> Is anyone here interested?
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.502 / Virus Database: 300 - Release Date: 18.07.2003
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From: Thorsten Froehlich
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 23 Jul 2003 14:08:56
Message: <3f1ecf38$1@news.povray.org>
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Regarding your massive multi-posting in several other groups (which has been
removed), please read:
Message-ID: <3AB04992.6DAA8B43@pacbell.net>
Date: Wed, 14 Mar 2001 20:48:18 -0800
From: Ken <tyl### [at] pacbell net>
Subject: News Server Acceptable Use Policy
Newsgroups: povray.announce.frequently-asked-questions
Xref: news.povray.org povray.announce.frequently-asked-questions:46
Thorsten
____________________________________________________
Thorsten Froehlich
e-mail: mac### [at] povray org
I am a member of the POV-Ray Team.
Visit POV-Ray on the web: http://mac.povray.org
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From: !
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 30 Jul 2003 12:10:29
Message: <3f27edf5@news.povray.org>
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OK - I've read it - it doesn't say anyplace that I'm not allowed to
cross-post to the (few) places that I considered relevant for my
specific request - what exactly are you objecting to, and where in
the AUP should I be reading???
"Thorsten Froehlich" <tho### [at] trf de> wrote in message
news:3f1ecf38$1@news.povray.org...
> Regarding your massive multi-posting in several other groups (which has
been
> removed), please read:
>
> Message-ID: <3AB04992.6DAA8B43@pacbell.net>
> Date: Wed, 14 Mar 2001 20:48:18 -0800
> From: Ken <tyl### [at] pacbell net>
> Subject: News Server Acceptable Use Policy
> Newsgroups: povray.announce.frequently-asked-questions
> Xref: news.povray.org povray.announce.frequently-asked-questions:46
>
> Thorsten
>
>
> ____________________________________________________
> Thorsten Froehlich
> e-mail: mac### [at] povray org
>
> I am a member of the POV-Ray Team.
> Visit POV-Ray on the web: http://mac.povray.org
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From: !
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 30 Jul 2003 12:23:20
Message: <3f27f0f8@news.povray.org>
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Hi Tim,
Thanks for taking the time to share your thoughts
with me & the group!
I imagine your "main problem" (you mentioned below)
can be solved by simply making an intermediate program
which outputs a .POV input file - the "random" stuff can
then be hardcoded into the "POV" source, so there's no
need to work with complicated "rand()" formulas when
drawing stuff?
Anyhow - are you interested in having a go? If you really
can't do "faces" - that's OK - so long as you can generate
"abstract" (or anything else) images which are sufficiently
distinct (given differing random input) that "Joe User" will
be able to choose one (out of 16 or so), and later remember
which one he chose - that's the essence of the system I'm
looking for.
As for rendering - the images will be presented to the user in
a grid (probably 16 at a time) - and will be small: postage-
stamp-sized, so I imagine a decent 3ghz pentium should be
able to draw these for moderate loads in near-real-time; and
if not, some kind of caching or pre-generation can easily be
worked out (or quality and image size could be reduced, or
more PCs thrown at the problem, or whatever...)
Chris.
"Tim Nikias v2.0" <tim### [at] gmx de> wrote in message
news:3f1ea8e6$1@news.povray.org...
> Well, it sounds like a fun thing to do, and it
> isn't than complicated really. To take a string,
> divide it into different parts, then use these
> as base for the rand()-Stream, that's not
> very difficult. Actually, I've done that for
> years. But it would involve POV-Ray
> as the raytracing engine.
>
> I see a problem in the precalculation of
> images. One could easily create tons of
> abstract images based on a random-stream.
> But generating images, like faces (though
> cartoonish like ones would probably be
> sufficient), isn't so easy to do. My main
> problem is that there would have to be a routine
> which will hand the string to the image-file.
>
> For example, I could easily create some scene
> which will take a certain file (like "keyword.inc")
> which has a string inside (with quotes at beginning
> and end, e.g. "thisisthekeyword") and render an
> image from that. I could even take the keyword,
> joggle it around and render a sequence of random
> images directly (if file I/O is supported so that I can
> keep an ever evolving random-number somewhere).
>
> Another problem lies in the speed of rendering
> with POV-Ray, which would mean that there'd
> be either waiting when loading the password-screen,
> or precalculation of images involved. You can
> email me for details if you like, but I can't make promises
> just yet.
>
> Regards,
> Tim
>
> --
> Tim Nikias v2.0
> Homepage: http://www.digitaltwilight.de/no_lights
>
>
> > Nobody replied.
> >
> > Is anyone here interested?
> >
> >
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.502 / Virus Database: 300 - Release Date: 18.07.2003
>
>
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From: Christoph Hormann
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 30 Jul 2003 13:22:25
Message: <3F27FED1.9CD4EC17@gmx.de>
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" !" wrote:
>
> OK - I've read it - it doesn't say anyplace that I'm not allowed to
> cross-post to the (few) places that I considered relevant for my
> specific request - what exactly are you objecting to, and where in
> the AUP should I be reading???
Actually i think Thorsten was more referring to the Cross-Posting
Guidelines:
Subject: Cross-Posting Guidelines for news.povray.org
Date: Sat, 22 Jan 2000 01:28:13 -0800
From: Ken <tyl### [at] pacbell net>
Newsgroups: povray.announce.frequently-asked-questions
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 17 Jun. 2003 _____./\/^>_*_<^\/\.______
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From: Thorsten Froehlich
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 1 Aug 2003 14:02:22
Message: <3f2aab2e$1@news.povray.org>
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In article <3F27FED1.9CD4EC17@gmx.de> , Christoph Hormann
<chr### [at] gmx de> wrote:
> Actually i think Thorsten was more referring to the Cross-Posting
> Guidelines:
>
> Subject: Cross-Posting Guidelines for news.povray.org
> Date: Sat, 22 Jan 2000 01:28:13 -0800
> From: Ken <tyl### [at] pacbell net>
> Newsgroups: povray.announce.frequently-asked-questions
Ups, you are of course right. I grabbed the wrong message header. Sorry
for the confusion.
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trf de
Visit POV-Ray on the web: http://mac.povray.org
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From: Slime
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 4 Aug 2003 13:40:16
Message: <3f2e9a80$1@news.povray.org>
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> I require a routine for a security application I am writing. My
> application requires users to choose a password which consists
> of 2 things:
> 1. a traditional alphanumeric secret password
> 2. a chosen picture
One thing that bothers me about this, and that you might want to keep in
mind, is that this security system will be completely inaccessible to blind
users.
- Slime
[ http://www.slimeland.com/ ]
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From: ! Chris
Subject: Re: Paid Project offer (image gneration for security purposes)
Date: 6 Aug 2003 00:19:45
Message: <3f3081e1@news.povray.org>
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I still can't see what I've done "wrong" - I think, Thorsten, you probably
just don't like the idea of me looking to pay someone for work, and using
your server to do so? If this is the case - it would have been nicer to
publish your opinion rather than cancel the posting. As you can see from
the responses in the few groups I (carefully) selected, much interest has
been stirred up.
If you're wondering why I used both "mutliposting" and "cross posting"
this is because your server rejected my original cross-posting submission
(despite your FAQ saying that 4 cross-posts are OK - your server rejects
everything with 3 or more cross-posts!)
You should fix either your FAQ or your server so this doesn't happen
again!
Chris.
"Thorsten Froehlich" <tho### [at] trf de> wrote in message
news:3f2aab2e$1@news.povray.org...
> In article <3F27FED1.9CD4EC17@gmx.de> , Christoph Hormann
> <chr### [at] gmx de> wrote:
>
> > Actually i think Thorsten was more referring to the Cross-Posting
> > Guidelines:
> >
> > Subject: Cross-Posting Guidelines for news.povray.org
> > Date: Sat, 22 Jan 2000 01:28:13 -0800
> > From: Ken <tyl### [at] pacbell net>
> > Newsgroups: povray.announce.frequently-asked-questions
>
> Ups, you are of course right. I grabbed the wrong message header. Sorry
> for the confusion.
>
> Thorsten
>
> ____________________________________________________
> Thorsten Froehlich, Duisburg, Germany
> e-mail: tho### [at] trf de
>
> Visit POV-Ray on the web: http://mac.povray.org
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