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Did you read my posts...?Moonbear said:
I lowered the contrast to simulate the draft-quality printout I used when I sketched it for my boss. Yes, that enhances the illusion.
Can You Spot the Invisible Ductwork?
- Thread starter russ_watters
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- Invisible
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Discussion Overview
The discussion revolves around the visibility of ductwork in a photograph, specifically an optical illusion created by reflections and the arrangement of objects in the image. Participants explore the challenges of identifying the duct's location based on a sketch and the original photo, discussing the implications of perspective and visual perception.
Discussion Character
- Exploratory
- Debate/contested
- Technical explanation
Main Points Raised
- Some participants suggest that the duct is present but obscured by other objects, leading to confusion about its visibility.
- Others express difficulty in seeing the duct, questioning which side is visible and commenting on the effects of perspective.
- A participant notes that reflections off the duct may contribute to the illusion, complicating the identification of its edges.
- Some participants remark that the addition of red outlines in the sketch obscures the duct's visibility, making it harder to see despite the intention to clarify its location.
- There are mentions of the original photo revealing more details, such as shadows and reflections, that help identify the duct more clearly than the altered image.
- Several participants share their experiences of initially failing to see the duct until the outlines were removed or the original image was referenced.
- One participant humorously suggests that the situation resembles a magic trick, while others acknowledge the complexity of the visual illusion.
Areas of Agreement / Disagreement
Participants generally agree that the duct is present in the image but disagree on its visibility and the factors contributing to the optical illusion. There is no consensus on the best way to clarify its location, as different perspectives and interpretations are presented.
Contextual Notes
Limitations include the reliance on visual perception and the effects of image manipulation, such as changes in contrast and the presence of outlines, which may obscure important details. The discussion also highlights the subjective nature of interpreting visual information.
Who May Find This Useful
Readers interested in optical illusions, visual perception, engineering design, or those involved in discussions about architectural features may find this thread engaging.
I lowered the contrast to simulate the draft-quality printout I used when I sketched it for my boss. Yes, that enhances the illusion.
- #32
Moonbear
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Just getting even for when you don't read mine before commenting.russ_watters said:Did you read my posts...?
I lowered the contrast to simulate the draft-quality printout I used when I sketched it for my boss. Yes, that enhances the illusion.
- #33
Danger
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You spelled 'Warren' wrong.chroot said:Open both pics up in separate browser windows, then switch back and forth.
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- #34
DaveC426913
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No he didn't. The q was always there, it was hidden behind invisible-text-coloured construction lines. He's removed them for clarity.Danger said:You spelled 'Warren' wrong.
- #35
triden
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DaveC426913 said:
- #36
Danger
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Agreed.triden said:DaveC426913 said:
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Touche'.Moonbear said:Just getting even for when you don't read mine before commenting.
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Mattara
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Can someone show me where it is visually please? - #39
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I'd outline just the parts you can see, but then people would yell at me...
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FredGarvin
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Stupid red lines...
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Moonbear
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