object VectorsOnUnitSphere extends Serializable
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def
apply(count: Int)(implicit generator: Generator): VectorsOnUnitSphere
Generates a set of unit vectors based on the strategy given by the implicit parameter generator.
Generates a set of unit vectors based on the strategy given by the implicit parameter generator.
- count
The number of unit vectors to generate.
- generator
An implementation of VectorsOnUnitSphere.Generator that is used to create the unit vectors.
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An instance of VectorsOnUnitSphere.
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- implicit def toIndexedSeq(vectors: VectorsOnUnitSphere): IndexedSeq[Vector[_3D]]
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implicit
object
SphericalGrid
extends Generator
Unit vectors are deterministically and uniformly sampled from an square grid of approximately equal density over the unit sphere.
Unit vectors are deterministically and uniformly sampled from an square grid of approximately equal density over the unit sphere.
In order to get a grid of evenly distributed vectors with respect to both degrees of freedom, the algorithm will decompose the number of desired vectors into a set of square numbers (e.g. count = 41 = 5² + 4²) for each of which it will generate a layer of grid points over the unit sphere (e.g. a grid of 4² samples on top of a grid of 5² evenly distributed samples).
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object
Stratified
extends Generator
A variation of the SphericalGrid generator.
A variation of the SphericalGrid generator. Vectors are sampled identically up to a random offset that is smaller than the width of a grid cell.
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object
Uniform
extends Generator
Unit vectors are randomly drawn from a uniform distribution over the surface of the unit sphere.