Package cz.fidentis.analyst.engines.distance.impl

Class MeshDistancePreciseGPU

java.lang.Object

cz.fidentis.analyst.engines.distance.impl.MeshDistanceVisitorImpl

cz.fidentis.analyst.engines.distance.impl.MeshDistancePreciseGPU

All Implemented Interfaces:

MeshVisitor, MeshDistanceVisitor, Serializable

public class MeshDistancePreciseGPU
extends MeshDistanceVisitorImpl

!!!EXPERIMENTAL!!! Use bruteforce version of POINT_TO_TRIANGLE, which is also precise. Finds precise closest point on triangles. Utilizes a TriangleKdTree and GPU search of closest point on triangles.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MeshDistancePreciseGPU(TriangleKdTree kdTree, boolean relativeDistance, boolean parallel)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	dispose()	Dispose all disposable resources this visitor was using.
javax.vecmath.Point3d	findClosestInLeaf(MeshPoint point, TriangleKdNode leaf)	Finds closest point on triangles stored in leaf.
void	visitMeshFacet(MeshFacet comparedFacet)	The inspection method to be implemented by specific visitors.

Methods inherited from class cz.fidentis.analyst.engines.distance.impl.MeshDistanceVisitorImpl

getDistancesOfVisitedFacets, inParallel, relativeDistance

Methods inherited from class java.lang.Object

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

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

isThreadSafe

Constructor Details

MeshDistancePreciseGPU

public MeshDistancePreciseGPU(TriangleKdTree kdTree,
 boolean relativeDistance,
 boolean parallel)

Constructor.

Parameters:

kdTree - TriangleKdTree of primary mesh to which other distances should be calculated.

relativeDistance - If true, then the visitor calculates the relative distances with respect to the normal vectors of source facets (normal vectors have to present), i.e., we can get negative distances.

parallel - If the tree traversal should be parallelized. Testing showed that parallel traversal is around 1s slower as the running of the GPU kernel must be serialized.

Throws:

IllegalArgumentException - if some parameter is wrong

Method Details

visitMeshFacet

public void visitMeshFacet(MeshFacet comparedFacet)

Description copied from interface: MeshVisitor

The inspection method to be implemented by specific visitors.

Parameters:

comparedFacet - Mesh facet to be visited.

findClosestInLeaf

public javax.vecmath.Point3d findClosestInLeaf(MeshPoint point,
 TriangleKdNode leaf)

Finds closest point on triangles stored in leaf. Runs on GPU.

Parameters:

point - point to which we are searching for the closest point

leaf - leaf node of a TriangleKdTree storing triangles

Returns:

closest point to point located on triangles

dispose

public void dispose()

Description copied from interface: MeshVisitor

Dispose all disposable resources this visitor was using. Distances can still be retrieved after calling this method. Subclasses should override this method if they need to dispose something.

Specified by:

dispose in interface MeshVisitor

Overrides:

dispose in class MeshDistanceVisitorImpl