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DIY Flat Tiling (The power of curves)

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byRo
an Englishman in Brazil

Posts: 138
Filters: 8
Since I started using FF I've had the feeling that Valdimir and the guys 'n girls hadn't put in all those blue curve thingies just to look pretty.
They are not at all intuitive - sometimes giving a quite unexpected reponse - but I'm sure that there's a lot of power hidden in there.

I set myself a challenge of doing a Flat Tiling Filter using curves. Thanks to, or in spite of, a couple of beers smile:D I finished it (see attachment), though tomorrow I'll probably kick myself when someone does the same thing with half the components.

Hope you find this interesting.

Anybody have any good examples of using curves?

'night all.



DIY Tiling.ffxml
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byRo
an Englishman in Brazil

Posts: 138
Filters: 8
Ah, and here's a way to do a divider output using curves.
- One Stairs has threshohd 0%, and the other 100%.
- Math is A-B



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Vladimir Golovin
Administrator
Filter Forge, Inc.
Posts: 3147
Filters: 55
Quote
byRo wrote:
Since I started using FF I've had the feeling that Valdimir and the guys 'n girls hadn't put in all those blue curve thingies just to look pretty.


Yes, curves can be very powerful -- just try them with Perlin Noise.

Quote
byRo wrote:
They are not at all intuitive


Well, the curves themselves work exactly the same way as Photoshop's Curves adjustment -- the only difference is that our curves are generated parametrically.
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Vladimir Golovin
Administrator
Filter Forge, Inc.
Posts: 3147
Filters: 55
Quote
byRo wrote:
Hope you find this interesting.


First they do Hearts. Then QBert. Then Adaptive Tiling. And now tiling with curves. Roland -- I want this one in Snippets smile:D I'd only suggest to rename it to "Tiling with Curves".
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Vladimir Golovin
Administrator
Filter Forge, Inc.
Posts: 3147
Filters: 55
Quote
byRo wrote:
Anybody have any good examples of using curves?


http://www.filterforge.com/filters/218.html
http://www.filterforge.com/filters/237.html
http://www.filterforge.com/filters/216.html
http://www.filterforge.com/filters/220.html
http://www.filterforge.com/filters/485.html
http://www.filterforge.com/filters/211.html
http://www.filterforge.com/filters/215.html
http://www.filterforge.com/filters/292.html
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byRo
an Englishman in Brazil

Posts: 138
Filters: 8
Quote
Vladimir Golovin wrote:
-- I want this one in Snippets. I'd only suggest to rename it to "Tiling with Curves".

OK, it's in the queue.


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My favourite question is "Why?".
My second favourite is "Why not?"
  Details E-Mail

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