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Stremik
Houdini Adept
Joined: 22 Jul 2002
Posts: 170
Location: Chicago
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 Posted: Wed May 21, 2003 1:04 am GMT Post subject: Metasurfaces |
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From "Geometry" PDF
| Quote: | | Metaballs can be thought of as spherical force fields whose surface is an implicit function defned at any point where the density of the force field equals a certain threshold. |
Is there a way to access that trashold value and implicit function?
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arctor
Houdini Guru
Joined: 22 Jul 2002
Posts: 1441
Location: Toronto, Ontario
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| Posted: Wed May 21, 2003 1:49 am GMT Post subject: |
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hmmm....like maybe changing the function?...a noise metaball would be kinda cool...
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jeff
Houdini Guru
Joined: 03 Jul 2002
Posts: 1869
Location: Toronto
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| Posted: Wed May 21, 2003 5:22 am GMT Post subject: |
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| Quote: | | Is there a way to access that treshold value and implicit function? |
Not directly. You need the HDK (Houdini Development Kit) to do that.
As for the noise metaball field, that would be interesting but there is an alternative. i3d can interpret metaball fields and create noise saved in an i3d file. You could then sample in to the i3d field and drive stuff from that. Your own custom noise function embedded in an i3d file. You could use this to drive particle positions for example. |
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