Package cz.fidentis.analyst.engines.sampling.impl

Class UniformSurfaceSampling

java.lang.Object

cz.fidentis.analyst.engines.sampling.impl.PointSamplingVisitorImpl

cz.fidentis.analyst.engines.sampling.impl.UniformSpaceSampling

cz.fidentis.analyst.engines.sampling.impl.UniformSurfaceSampling

All Implemented Interfaces:

MeshVisitor, PointSamplingVisitor

public class UniformSurfaceSampling
extends UniformSpaceSampling

Similar downsampling strategy to the UniformSpaceSampling. However, a random vertex from the mesh is selected from each non-empty cell instead of computing a new average point. Therefore, the samples lie on the mesh surface.

Constructor Summary

Constructors

Constructor	Description
UniformSurfaceSampling(int max)	Constructor.

Method Summary

Modifier and Type	Method	Description
List<MeshPoint>	getSamples()	Returns a list of vertices reduced according to the strategy.
boolean	isBackedByOrigMesh()	If true, then the returned points samples are points from the original mesh.
String	toString()

Methods inherited from class cz.fidentis.analyst.engines.sampling.impl.UniformSpaceSampling

createGrid, getAvgDist, getOrigPoints, visitMeshFacet

Methods inherited from class cz.fidentis.analyst.engines.sampling.impl.PointSamplingVisitorImpl

getRequiredSamples, setRealSamples, setRequiredSamples

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface cz.fidentis.analyst.data.mesh.MeshVisitor

dispose, isThreadSafe

Constructor Details

UniformSurfaceSampling

public UniformSurfaceSampling(int max)

Constructor.

Parameters:

max - Required number of samples. Must be bigger than zero

Throws:

IllegalArgumentException - if the input parameter is wrong

Method Details

isBackedByOrigMesh

public boolean isBackedByOrigMesh()

Description copied from interface: PointSamplingVisitor

If true, then the returned points samples are points from the original mesh. Therefore, the transformation of the original mesh also transform these samples. If false, then new points are returned that are independent on the original mesh.

Specified by:

isBackedByOrigMesh in interface PointSamplingVisitor

Overrides:

isBackedByOrigMesh in class UniformSpaceSampling

Returns:

true if the point samples include points of the original mesh

getSamples

public List<MeshPoint> getSamples()

Description copied from interface: PointSamplingVisitor

Returns a list of vertices reduced according to the strategy. The returned mesh points are backed by original points.

Specified by:

getSamples in interface PointSamplingVisitor

Overrides:

getSamples in class UniformSpaceSampling

Returns:

selected vertices of inspected meshes

toString

public String toString()

Overrides:

toString in class UniformSpaceSampling