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Author Topic: Tricorn  (Read 1584 times)
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Kalter Rauch
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Posts: 198


« on: June 12, 2017, 04:42:05 AM »

CW from top...Tricorn/Bumblebrot, mapped to cylinder,
fisheye view, and mapped to sphere...

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Alef
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WWW
« Reply #1 on: June 12, 2017, 01:41:32 PM »

Wow. Its realy cool. (pst. its my formulas) I realy didn't know that one can do with them this. And with gimp, too;)
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fractal catalisator
Kalter Rauch
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« Reply #2 on: June 13, 2017, 05:21:51 AM »

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Kalter Rauch
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« Reply #3 on: June 13, 2017, 05:55:16 AM »

Wow. Its realy cool. (pst. its my formulas) I realy didn't know that one can do with them this. And with gimp, too;)

I'm using Joukowski transformation  in ChaosPro and a fisheye filter in GIMP.
From reading, the Joukowski transform is used in aerodynamics to generate airfoils with a circle deformed
into an elongated paisley cross-section of a wing, and it has similar effects in your formula.
The fisheye filter twists symmetry to change the pose of a figure
as well as morphing mirrored features.
 
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Kalter Rauch
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« Reply #4 on: June 15, 2017, 06:21:21 AM »

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Kalter Rauch
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« Reply #5 on: June 15, 2017, 06:23:56 AM »

The right hand figure uses a Gilgamesh head
but the body is a Tricorn as are the others.
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Kalter Rauch
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Posts: 198


« Reply #6 on: June 15, 2017, 07:19:41 AM »

OK...when I said it was a Gilghead
I meant that I cut the head in half
and then duplicated the best half, flipped it,
and joined the mirror halves
into a better object.
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Kalter Rauch
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Posts: 198


« Reply #7 on: June 18, 2017, 02:10:34 AM »

The background is from a 4th power Nylander Mandelbulb
and it and the figures were treated with an "HSV Noise" filter
and then a bumpmap which really brought out fine texture...

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Kalter Rauch
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« Reply #8 on: June 18, 2017, 02:16:19 AM »

Whereas HSV noise only uses those color values
there is also a "Perlin Noise3" process which instead
returns vector information that can make a smooth sphere
look like a wad of gum.
GIMP doesn't seem to have it......
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Kalter Rauch
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« Reply #9 on: June 19, 2017, 04:43:42 AM »

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Kalter Rauch
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« Reply #10 on: July 07, 2017, 01:53:47 AM »



Tricorn...sub-type Bumblebrot2 (detail)
« Last Edit: July 07, 2017, 11:52:56 PM by Kalter Rauch » Logged
Kalter Rauch
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« Reply #11 on: July 07, 2017, 11:43:08 PM »

Tricorn distorted by FBM transform over a metallized FBM background...


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Kalter Rauch
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« Reply #12 on: July 08, 2017, 09:29:54 AM »

Note...the Perlin3 vector driven noise formula mentioned above
is in ChaosPro as "Perlin FBM Displacement ".
FBM is "Fractal Brownian Motion".
It also extremely distorts Mandel/Juliabulbs which I experimented with today.
« Last Edit: July 11, 2017, 03:56:52 AM by Kalter Rauch » Logged
Kalter Rauch
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« Reply #13 on: July 11, 2017, 07:00:53 AM »

This is a zoom into a so treated Juliabulb...


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Kalter Rauch
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« Reply #14 on: September 03, 2017, 03:43:47 AM »

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