Jholsenback: 1 revision: reference layout changes

2012-08-08T13:11:24Z

1 revision: reference layout changes

Jholsenback: cleanup round 2

2012-08-07T00:26:18Z

cleanup round 2

New page

There are six totally thin, finite objects which have no well-defined inside. They are [[Reference:Bicubic Patch|bicubic patch]], [[Reference:Disc|disc]], [[Reference:Smooth Triangle|smooth triangle]], [[Reference:Triangle|triangle]], [[Reference:Polygon|polygon]], [[Reference:Mesh|mesh]], and [[Reference:Mesh2|mesh2]]. They may be combined in CSG union, but cannot be used inside a <code>clipped_by</code> statement.
Note: Patch objects may give unexpected results when used in differences and intersections.
These conditions apply:
<ol>
<li>Solids may be differenced from bicubic patches with the expected results.</li>
<li>Differencing a bicubic patch from a solid may give unexpected results.</li>
<ul>
<li>Especially if the inverse keyword is used!</li>
</ul>
<li>Intersecting a solid and a bicubic patch will give the expected results.</li>
<ul>
<li>The parts of the patch that intersect the solid object will be visible.</li>
</ul>
<li>Merging a solid and a bicubic patch will remove the parts of the bicubic patch that intersect the solid.</li>
</ol>

Because these types are finite POV-Ray can use automatic bounding on them to speed up rendering time. As with all shapes they can be translated, rotated and scaled.

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Reference:Finite Patch Primitives - Revision history

Jholsenback: 1 revision: reference layout changes

Jholsenback: cleanup round 2