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Implicit Surfaces [message #28191] Wed, 25 May 2011 23:46 UTC Go to next message
avatar vertigopolka  is currently offline vertigopolka
Messages: 76
Registered: January 2011
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Here's some images of my WSF models generated with MeshLab's implicit surface filter.

I've also posted a video of the models so you can view them from all perspectives and get a better feel for the scale:
3D Printed Implicit Surfaces movie

Implicit Gills: model
index.php?t=getfile&id=9080&private=0

Implicit Surface E: model
index.php?t=getfile&id=9081&private=0

Implicit Surface B: model
index.php?t=getfile&id=9082&private=0

Implicit Surface R: model
index.php?t=getfile&id=9083&private=0

Implicit Surface Y: model
index.php?t=getfile&id=9084&private=0


@vertigopolka
http://www.vertigopolka.com
Re: Implicit Surfaces [message #28193 is a reply to message #28191 ] Thu, 26 May 2011 01:12 UTC Go to previous messageGo to next message
avatar HappenstanceHeroes  is currently offline HappenstanceHeroes
Messages: 47
Registered: July 2010
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Those are so cool. I think I like the gills the most, but it's a tough call. Being math-defunct myself, most of my attempts at stringing together long made up equations have resulted in mostly uninteresting results. Do you know of a way to get it to recognize Sin or Cos in an equation? If I could find a way to do that, it might spice things up, but it calls me an idiot when I type them like that.
Re: Implicit Surfaces [message #28201 is a reply to message #28193 ] Thu, 26 May 2011 04:55 UTC Go to previous messageGo to next message
avatar vertigopolka  is currently offline vertigopolka
Messages: 76
Registered: January 2011
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I'm not sure if this will help at all, but hopefully it's a good starting point.

Here's the expression for the terrain model (with a limit of 3 (x,y &z)):
cos((2*x)*(x + y + z +1))*sin((2*y)*(x + y + z +1)) + cos((2*y)*(x + y + z +1))*sin((2*z)*(x + y + z +1)) + cos((2*z)*(x + y + z +1))*sin((2*x)*(x + y + z +1)) - .25*x*x*x - .25*y*y*y - .25*z*z*z - 2.5

You can break it down to
[cos x(expression) times sin y(expression)]
plus
[cos y(expression) times sin z (expression)]
plus
[cos z (expression) times sin x (expression)]
plus (or minus)
a variable,
and maybe you can start to get some pretty cool sh*t happening.

For the "expression," you might start by using the formula for a sphere, x*x+y*y+z*z-1.


@vertigopolka
http://www.vertigopolka.com
Re: Implicit Surfaces [message #28209 is a reply to message #28193 ] Thu, 26 May 2011 07:27 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
Messages: 514
Registered: February 2011
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I always love checking out your work...great stuff here!


Trouble using SketchUp? Get my book "3D Printing with SketchUp" - http://bit.ly/1jQ4RtV
Re: Implicit Surfaces [message #28229 is a reply to message #28209 ] Thu, 26 May 2011 21:09 UTC Go to previous messageGo to next message
avatar vertigopolka  is currently offline vertigopolka
Messages: 76
Registered: January 2011
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@denali3ddesign: thnx for the props! I really appreciate it.


@vertigopolka
http://www.vertigopolka.com
Re: Implicit Surfaces [message #28277 is a reply to message #28229 ] Fri, 27 May 2011 18:03 UTC Go to previous messageGo to next message
avatar ana  is currently offline ana
Messages: 765
Registered: October 2008
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I work here
@vertigopolka keeping up the awesome, I see. I'm particularly a fan of the Implicit Surface B. Smile

If you don't mind me asking, how long have you been 3D modeling for?


Community Manager | Shapeways

Re: Implicit Surfaces [message #28279 is a reply to message #28277 ] Fri, 27 May 2011 18:59 UTC Go to previous message
avatar vertigopolka  is currently offline vertigopolka
Messages: 76
Registered: January 2011
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@ana Thanks! I've been dabbling with different low-end 3D programs as a hobby off and on for a little over twenty years (late '80's). I've only used the app for these models (MeshLab) for a few months.


@vertigopolka
http://www.vertigopolka.com

 
   
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