I came across this scene file recently among the files I have which was done for
the IRTC by Sascha Ledinsky for the Water stills round back in '98.  I didn't
realize it had come from there at first since I could only look for "Sascha
Ledinsky" by internet search (easier to find than you might think).
I had apparently tried in vain to fix it a year ago so that the render didn't
need to be split into two sections in order for the illusion to work.  I had
more success at it this second time now having used boxes to clip the pertinent
parts instead of the planes as was originally done (not as easy as it sounds).
And of course it's still not perfect.
Anyway, it's one of those very interesting 3D models and effects that is
intriguing to many people so I thought I'd show it here.  Sascha's is at:
http://oz.irtc.org/ftp/pub/stills/1998-10-31/waterfa1.jpg
Replace the "jpg" with "txt" or "zip" to get to those files there.  Anyone
wanting to see my changed version could ask here (don't email) but I have yet to
hear from Sascha regarding passing around this copyrighted scene file modified
or not.

Bob
--
omniVerse http://users.aol.com/persistenceofv/all.htm

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Attachments:
Download 'escherwaterfallcopy.jpg' (129 KB)

Preview of image 'escherwaterfallcopy.jpg'

I just got a reply to my first email to Sascha.  Web page address is:
http://members.teleweb.at/sascha.l
which leads to some more Escher Pov 3.* images.

Bob

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how about posting a different view point, so we can see all your hard
construction work! - (not that we want to know how it was done or anything!)

Rick

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"Rick [Kitty5]" <pov### [at] dialpipexcom> wrote in message
news:38ce5727$1@news.povray.org...
| how about posting a different view point, so we can see all your hard
| construction work! - (not that we want to know how it was done or anything!)

Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
My hard work would only be that this illusion can be rendered in one go, rather
than the two it took before which was what Sascha Ledinsky had to do in order to
get the illusion to work.  I've also now heard that this unfinished work was
never completed, sadly enough.  If you read the  waterfa1.txt  at the URL I put
into my other message here an explanation is given as to how it was previously
done.
There isn't really much visible sign of the difference between the before and
after modification renders except for aesthetic change (and less than perfect
fix).
Sascha had done the tough part already.

Bob

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Attachments:
Download 'unescherwaterfallcopy.jpg' (18 KB)

Preview of image 'unescherwaterfallcopy.jpg'

cheater.... :)

--
Mike

wk: mik### [at] pyxiscom  www.pyxis.com
hm: mwe### [at] sciticom  www.geocities.com/mikepweber
www.geocities.com/mikepweber

"Bob Hughes" <omn### [at] hotmailcom?subject=PoV-News:> wrote in message
news:38ce7397@news.povray.org...
> "Rick [Kitty5]" <pov### [at] dialpipexcom> wrote in message
> news:38ce5727$1@news.povray.org...
> | how about posting a different view point, so we can see all your hard
> | construction work! - (not that we want to know how it was done or
anything!)
>
> Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
> My hard work would only be that this illusion can be rendered in one go,
rather
> than the two it took before which was what Sascha Ledinsky had to do in
order to
> get the illusion to work.  I've also now heard that this unfinished work
was
> never completed, sadly enough.  If you read the  waterfa1.txt  at the URL
I put
> into my other message here an explanation is given as to how it was
previously
> done.
> There isn't really much visible sign of the difference between the before
and
> after modification renders except for aesthetic change (and less than
perfect
> fix).
> Sascha had done the tough part already.
>
> Bob
>
>
>
>

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"Mike Weber" <mik### [at] pyxiscom> wrote in message
news:38ce803d@news.povray.org...
| cheater.... :)

<guilty conscience>
Hey, lulls in ones own efforts to be creative requires desperate measures to be
taken.  I cannot be responsible for my actions during such times.
</guilty conscience>

Bob

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A true magician must not reveal his secrets...
Well done though...

Bob Hughes wrote:

> "Rick [Kitty5]" <pov### [at] dialpipexcom> wrote in message
> news:38ce5727$1@news.povray.org...
> | how about posting a different view point, so we can see all your hard
> | construction work! - (not that we want to know how it was done or anything!)
>
> Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
> My hard work would only be that this illusion can be rendered in one go, rather
> than the two it took before which was what Sascha Ledinsky had to do in order to
> get the illusion to work.  I've also now heard that this unfinished work was
> never completed, sadly enough.  If you read the  waterfa1.txt  at the URL I put
> into my other message here an explanation is given as to how it was previously
> done.
> There isn't really much visible sign of the difference between the before and
> after modification renders except for aesthetic change (and less than perfect
> fix).
> Sascha had done the tough part already.
>
> Bob
>
>  [Image]

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On Tue, 14 Mar 2000 11:14:05 -0600, "Bob Hughes"
<omn### [at] hotmailcom?subject=PoV-News:> wrote:

>"Rick [Kitty5]" <pov### [at] dialpipexcom> wrote in message
>news:38ce5727$1@news.povray.org...
>| how about posting a different view point, so we can see all your hard
>| construction work! - (not that we want to know how it was done or anything!)
>
>Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
>My hard work would only be that this illusion can be rendered in one go, rather
>than the two it took before which was what Sascha Ledinsky had to do in order to
>get the illusion to work.  I've also now heard that this unfinished work was
>never completed, sadly enough.  If you read the  waterfa1.txt  at the URL I put
>into my other message here an explanation is given as to how it was previously
>done.
>There isn't really much visible sign of the difference between the before and
>after modification renders except for aesthetic change (and less than perfect
>fix).
>Sascha had done the tough part already.
>
>Bob
>
Nice work Bob
----------------------------
dav### [at] cableinetcouk
http://members.vavo.com/squiffy/
http://www.hamiltonite.mcmail.com
----------------------------

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Thanks, but maybe more trouble than it's worth.  I've had to try and explain
here at home to people that I didn't make it to begin with.  Maybe that's a good
sign.

Bob

"David Wilkinson" <dav### [at] cableinetcouk> wrote in message
news:ppltcs0sroq96nv4jlqoveq5ces2vnafvd@4ax.com...
| On Tue, 14 Mar 2000 11:14:05 -0600, "Bob Hughes"
| <omn### [at] hotmailcom?subject=PoV-News:> wrote:
|
| >"Rick [Kitty5]" <pov### [at] dialpipexcom> wrote in message
| >news:38ce5727$1@news.povray.org...
| >| how about posting a different view point, so we can see all your hard
| >| construction work! - (not that we want to know how it was done or
anything!)
| >
| >Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
| >My hard work would only be that this illusion can be rendered in one go,
rather
| >than the two it took before which was what Sascha Ledinsky had to do in order
to
| >get the illusion to work.  I've also now heard that this unfinished work was
| >never completed, sadly enough.  If you read the  waterfa1.txt  at the URL I
put
| >into my other message here an explanation is given as to how it was
previously
| >done.
| >There isn't really much visible sign of the difference between the before and
| >after modification renders except for aesthetic change (and less than perfect
| >fix).
| >Sascha had done the tough part already.
| >
| >Bob
| >
| Nice work Bob
| ----------------------------
| dav### [at] cableinetcouk
| http://members.vavo.com/squiffy/
| http://www.hamiltonite.mcmail.com
| ----------------------------

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On Tue, 14 Mar 2000 11:14:05 -0600 "Bob Hughes"
<omn### [at] hotmailcom?subject=PoV-News:> wrote:

>Okay.  Interesting, isn't it?  Hope this small rendering shows it okay.
>My hard work would only be that this illusion can be rendered in one go, rather
>than the two it took before which was what Sascha Ledinsky had to do in order to
>get the illusion to work.

  I wonder how Sascha's scene would look as a cross-eyed stereogram?

-- 
Alan - ako### [at] povrayorg - a k o n g <at> p o v r a y <dot> o r g
http://www.povray.org - Home of the Persistence of Vision Ray Tracer

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