Quantifying opacity in TNs

Anything to do with Port.
PhilW
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Re: Quantifying opacity in TNs

Post by PhilW » 23:31 Sat 20 May 2017

I would have some suggestions for potential improvements to design usability; however I seem to remember a fundamental issue from last time we tried using this type of method being inconsistency of reading depending on ambient lighting?

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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 00:14 Sun 21 May 2017

PhilW wrote:
23:31 Sat 20 May 2017
I would have some suggestions for potential improvements to design usability
Do share. Let’s try.

forest26
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Re: Quantifying opacity in TNs

Post by forest26 » 11:58 Sun 21 May 2017

Great Idea Julian - This is something I have always struggled with.

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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 12:13 Sun 21 May 2017

Mistakenly, I was prioritising beauty over function. This might be more effective.
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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 11:00 Sun 02 Jul 2017


PhilW
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Re: Quantifying opacity in TNs

Post by PhilW » 17:08 Sun 02 Jul 2017

I would also suggest a slightly less linear scale (perhaps log, or another) - or at least to try one in comparison to linear; or alternatively perhaps just linear expansion of the 0-5 region, as I suspect that dependent on the environmental light level, most of the judgement will be around the 1-3 region per current printing, with 5-10 being almost constant perceptually.

Also suggest printing the numbers underneath the scale, ideally in the same % vs white; currently some numbers seem lighter which might be confusing/unreadable.

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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 18:43 Sun 02 Jul 2017

PhilW wrote:
17:08 Sun 02 Jul 2017
I would also suggest a slightly less linear scale
A cube-root scale? Such that the mid-point of the scale is 12½%?

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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 20:35 Sun 02 Jul 2017

Oops. There was bug with my grey-shift function. Fixed. Sorry.

I like the idea of having the three-rectangles-high line at the top of TN pages.

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flash_uk
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Re: Quantifying opacity in TNs

Post by flash_uk » 11:12 Mon 03 Jul 2017

I think this will need some testing at the next tasting.

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jdaw1
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Re: Quantifying opacity in TNs

Post by jdaw1 » 20:20 Mon 03 Jul 2017

flash_uk wrote:
11:12 Mon 03 Jul 2017
I think this will need some testing at the next tasting.
Hopefully multiple people will print the PDF, so it can be tested for consistency across printers.

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