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Welcome to Fractal Forums > Fractal Software > 3D Fractal Generation > Mandelbulb 3d > _gnarl2d problem
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Author Topic: _gnarl2d problem  (Read 423 times)
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rurik2000
Forums Freshman
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Posts: 12
« on: January 12, 2016, 11:16:44 PM »
Hello
When I use _gnarl2d as my 1st formula, I get an error "formula is not valid".  I have the formula installed...
Is there a specific usage for it?
I'm trying to re-create something like this
http://dark-beam.deviantart.com/art/Marbled-trip-207877950?q=gallery%3AThe-Aposhack%2F28953017&qo=4272

Thanks!
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M Benesi
Fractal Schemer
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Posts: 1075



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« Reply #1 on: January 13, 2016, 04:00:41 AM »
It's an add-on/transform formula.  

  If you want to be able to use it as a stand alone formula (it will move from the "ADs" menus to the "3D" menus in your formula tabs), open up the .m3f file with a text editor, and change .DEoption from -1 to 1:

Code:
[OPTIONS]
.Version = 2
.DEoption = -1         <-------- right here.   change it to 1 instead of -1   Don't write this part
.Double Strength = 1.03     or this... unless you use // to make it a comment.  Which might not work.
.Double X step = 0.1        // so don't write stuff here!!!  EVER!!! DON"T!!!  
.Double Y step = 0.1  //  if you aren't panicking yet, it's time to start.  
.Double Alpha = 3.0
.Double Beta = 2.0   //  what are you waiting for??
..........dotdotdot...etc.etc.dotdotdot...

do this:

.DEoption = 1
« Last Edit: January 13, 2016, 04:14:30 AM by M Benesi » Logged
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