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Tourist Trap II by eriban Tourist Trap II by eriban
A modified version of my Tourist Trap image [link] Although it does not look too different, this new scene required a fair amount of remodeling. Can you spot the difference? I know which image I like best, but am curious to hear which you prefer.

Technical Details and Credits

This image has been rendered using the POVRay raytracer. No post-processing has taken place on the image to make the illusion work; this is the 3D scene as it is rendered by the raytracer.

The grass is made using macros by Gilles Tran. The palm tree is made using the tree macro by Tom Aust, modified by Gena Obukhov. The chain is made using a macro by the PM 2Ring, using catenary calculations by Zdislav Kovarik.


This image has been included in the book "Exceptional Eye Tricks" by Brad Honeycutt published by Charlesbridge publishing [link]. This book contains many interesting illusions of different types and is worth checking out.
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syedaanza Featured By Owner Edited Dec 19, 2017
Hi , very good article.

thanks for sharing, keep up the good work.

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JohnK222 Featured By Owner May 23, 2014
I can't even begin to imagine where that door might go. This is so confusing, it's great! I will check out the other version too.
eriban Featured By Owner May 24, 2014
Thanks! The shark is obviously hoping that the door will lead you to his stomach.

So, which version did you prefer?
JohnK222 Featured By Owner May 25, 2014
Maybe this 2nd one for the building. The shark was easier to see in the 1st one though.
eriban Featured By Owner May 27, 2014
It's easy to understand why the shark is harder to see in this one. It got more time to practice and managed to improve its hiding skills ;-)
JohnK222 Featured By Owner May 27, 2014
Korwynze Featured By Owner Jan 20, 2014  Hobbyist General Artist
ksjcjrmsjejfnvjffjdmfirslfjf  lolawesome wut
eriban Featured By Owner Jan 20, 2014
fatalchksumerrorwhileparsingmsgbounce thx
Korwynze Featured By Owner Jan 21, 2014  Hobbyist General Artist
lol :dummy:
Hop41 Featured By Owner Mar 3, 2011
That you use catenaries for the hanging chains shows some savvy. If I remember right, Galileo had though they were parabolas. Nice textures. (looking at the water...) Is that a shark?
eriban Featured By Owner Mar 4, 2011
To be honest, parabolas would probably work just as nicely. I expect the difference to be too subtle to be noticeable. However, if you have the option to match reality more closely (the catenary code was out there for the taking), why not? That's one of the things I like about 3D modelling. It triggers you to investigate the things you try to model more closely. For example, my Rock The Boat image forced me to look into the waves that ships leave in their wake, which was an interesting topic.

And yes, there's a shark lurking in the sea. It's patiently waiting for tourists who are keen for a view... :-)
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Submitted on
March 3, 2011
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