Variable sized Voronoi

Started by cyphyr, May 11, 2017, 08:02:45 AM

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cyphyr

One for the math heads ...
Any ideas how to get Variable sized Voronoi.
The Voronoi has a scale input that can have a constant scalar input (see attached). I need to figure out how to have a variable scalar input, say something between 1 and 3 (or stepped 1, 2 or 3). I have tried a PF but that creates a mess.
Suggestions .. :)
www.richardfraservfx.com
https://www.facebook.com/RichardFraserVFX/
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Ryzen 9 5950X OC@4Ghz, 64Gb (TG4 benchmark 4:13)

Dune

Did you try with color set at 3 and 1 and then a smallest fractal noise that is higher than that? I use variable size sometimes, and it does work.

cyphyr

Hmm, I hadn't thought of trying colour values above 1. Kinda works but not quite what I'm after ... might not be quite understanding you properly. I shall investigate further ..
www.richardfraservfx.com
https://www.facebook.com/RichardFraserVFX/
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Ryzen 9 5950X OC@4Ghz, 64Gb (TG4 benchmark 4:13)

KlausK

hi cyphyr

definitely NOT a math head here...but maybe this is something in your direction. Hope it helps.
cheers, Klaus
/ ASUS WS Mainboard / Dual XEON E5-2640v3 / 64GB RAM / NVIDIA GeForce GTX 1070 TI / Win7 Ultimate . . . still (||-:-||)

cyphyr

Thinking outside the box, good solution. Again not what I had in mind but quite possibly more useful.
Cheers
www.richardfraservfx.com
https://www.facebook.com/RichardFraserVFX/
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Ryzen 9 5950X OC@4Ghz, 64Gb (TG4 benchmark 4:13)

Hetzen

What's the effect you're looking for?

cyphyr

This is another attempt at a "perfect cliff" face ... I think what I'm after is a mixture of larger and smaller scale voronoi but not overlapping. Duplicating the layers and running a second pass for finer details would be better than having all the complexity is a single layer ...
www.richardfraservfx.com
https://www.facebook.com/RichardFraserVFX/
/|\

Ryzen 9 5950X OC@4Ghz, 64Gb (TG4 benchmark 4:13)

Dune

Ah, cliffs, the endless pursuit of perfection. You'd have to make each size mask out (or in) the smaller sized (mix color with controllers?). Curious to see your results!

bobbystahr

Watching this for educational purposes.....I've nothing to input...
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

cyphyr

Well I managed to get as far as this. Two scales in one Voronoi.
www.richardfraservfx.com
https://www.facebook.com/RichardFraserVFX/
/|\

Ryzen 9 5950X OC@4Ghz, 64Gb (TG4 benchmark 4:13)

KlausK

#10
That is what I got.
Tried to do something with the min-max nodes.
There are a few roads to go from the intermediate steps I think.
Gotta get some sleep...cheers, Klaus
/ ASUS WS Mainboard / Dual XEON E5-2640v3 / 64GB RAM / NVIDIA GeForce GTX 1070 TI / Win7 Ultimate . . . still (||-:-||)

bobbystahr

Quote from: cyphyr on May 12, 2017, 07:28:04 PM
Well I managed to get as far as this. Two scales in one Voronoi.

Simple and elegant...well done.
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

Dune

Those are both interesting results. Klaus' version looks like broken glass, very nice. Thanks for posting these, guys.

bobbystahr

Quote from: Dune on May 13, 2017, 02:25:06 AM
Those are both interesting results. Klaus' version looks like broken glass, very nice. Thanks for posting these, guys.

Indeed, both have utility for sure....gracias guys
something borrowed,
something Blue.
Ring out the Old.
Bring in the New
Bobby Stahr, Paracosmologist

mogn

By reducing the (50) shades of grey, the boundaries of cells with near shades are breaked down.