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Procedural modelling in Houdini based on Function Representation

Procedural modelling in Houdini based on Function Representation

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4.4 <str<strong>on</strong>g>Procedural</str<strong>on</strong>g> functi<strong>on</strong>-<str<strong>on</strong>g>based</str<strong>on</strong>g> <str<strong>on</strong>g>modell<str<strong>on</strong>g>in</str<strong>on</strong>g>g</str<strong>on</strong>g> <str<strong>on</strong>g>in</str<strong>on</strong>g> Houd<str<strong>on</strong>g>in</str<strong>on</strong>g>i<br />

Figure 4.10: Bounded blend<str<strong>on</strong>g>in</str<strong>on</strong>g>g us<str<strong>on</strong>g>in</str<strong>on</strong>g>g three spheres<br />

Taper, Bend, twist and deform po<str<strong>on</strong>g>in</str<strong>on</strong>g>t<br />

Other operators allow relatively complex operati<strong>on</strong>s with very little effort. All operati<strong>on</strong>s<br />

shown <str<strong>on</strong>g>in</str<strong>on</strong>g> Figure 4.11 and Figure 4.12 are entirely <str<strong>on</strong>g>based</str<strong>on</strong>g> <strong>on</strong> a simple box primitive. Each of<br />

the meshes is therefore produced us<str<strong>on</strong>g>in</str<strong>on</strong>g>g three nodes <strong>on</strong>ly: box node, FRep operati<strong>on</strong> (taper,<br />

bend, twist or deform po<str<strong>on</strong>g>in</str<strong>on</strong>g>t) and the FRep base node for polyg<strong>on</strong>isati<strong>on</strong>.<br />

Figure 4.11: Example of the taper node<br />

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