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The Magical Tech Behind Paper For iPad's Color-Mixing

fastcompany.com

41–44 of 44 posts

Re: The Magical Tech Behind Paper For iPad's Color-Mixing

#41
post #33

The examples shown are neat and the screenshots shown are usable on your ipad: http://dl.dropbox.com/u/6432940/paper/mixingWell/4/index.htm... http://dl.dropbox.com/u/6432940/paper/mixingWell/22/index.ht... http://dl.dropbox.com/u/6432940/paper/mixingWell/24/index.ht... Interesting they use Processing.JS and CoffeeScript. This is an interesting technical post, but why is it being hosted on fastcompany.com. This belon…

These prototypes were developed by designer Andrew Allen https://twitter.com/asallen working with prototyping engineer Amit Pitaru https://twitter.com/pitaru If you'd like to discuss our approach to color blending, I can be reached at https://twitter.com/cmchen

Just curious, why'd you take down the prototypes? I'm assuming the actual app doesn't share any of that source.

Re: The Magical Tech Behind Paper For iPad's Color-Mixing

#43
post #32
post #24

Earlier quoted context omitted.

The in-app purchases are perfect for this. You get to demo the brushes before you use them to figure out if you even need or like them. They're asking what amounts to what -- $10? for a beautiful app that looks and works worlds better than most in the same arena. I much prefer paying nothing up front and being able to try all of the features and figure out which ones I want to buy. I ended up getting them all simply…

I don't actually use Notability for sketching. I was trying to think of something with limited drawing capability that was similar to Paper. I use ArtRage and SketchBook Pro. Without full color selection, Paper wasn't that useful to me. I will try the new version. I would rather see Apple implement a time limited refund like Google does than use in app purchases for try and buy functionality.

You can always ask the app store/iTunes store for a refund, and they'll almost always give it no questions asked. At least in my eperience.

Re: The Magical Tech Behind Paper For iPad's Color-Mixing

#44
post #11

This quote from the article: “Compare red nail polish to red ink: both are red, but the nail polish will be visible on black paper because it reflects light. The ink won’t be, because it absorbs light.” doesn't seem right to me, but I'm not an expert. The ink doesn't reflect light? If you put a drop of red ink on a sheet of glass, it won't look red? Isn't the difference because the ink will soak in to the paper while…

The nail polish is opaque, which means it reflects or absorbs light that hits it. Red nail polish reflects red light and absorbs the rest. Shine white light on it, and it will look red. Ink is transparent; It lets through or absorbs light that hits it. Red ink lets though red light and absorbs the rest. Shine white light through it, and it will look red. Shining white light on a black piece of paper with red ink on i…

It does. Thanks to you and the other excellent replies, I now finally understand how ink works. Apparently it's a filter, and we see the light after it has been twice filtered by the ink, down through the ink into the paper and reflected from the paper back up through the ink to our eyes. In contrast to paint or polish, which reflects from its surface.
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