PoissonDiskSubSampling.ActiveNode (FIDENTIS-Analyst-2 master-SNAPSHOT API)

java.lang.Object

cz.fidentis.analyst.engines.sampling.impl.PoissonDiskSubSampling.ActiveNode

Enclosing class:: PoissonDiskSubSampling

public static class PoissonDiskSubSampling.ActiveNode extends Object

Represents uncovered region of plane, octree node

Constructor Summary

Constructors

Constructor

Description

ActiveNode(int x, int y, int depth)

Creates new active node.
Method Summary

Modifier and Type

Method

Description

javax.vecmath.Point2d[]

getCornerPoints(double a)

Calculates corner points of area represented by node

PoissonDiskSubSampling.ActiveNode[]

getChildren()

Creates 4 children nodes in depth +1, each covering 1/4 of this node

int

getParentX()

Calculates X cord of parent node from base grid (with depth 0).

int

getParentY()

Calculates Y cord of parent node from base grid (with depth 0).

double

getSideLength(double a)

Calculates node side length

boolean

isCoveredByDisk(javax.vecmath.Point2d point, double d, double a)

Checks if area represented by node is fully covered by disk of a given point

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ActiveNode
  
  public ActiveNode(int x, int y, int depth)
  
  Creates new active node.
  
  Parameters:
  
  x - x coordinate
  
  y - y coordinate
  
  depth - defining size of region represented by node
Method Details
- getParentX
  
  public int getParentX()
  
  Calculates X cord of parent node from base grid (with depth 0).
  
  Returns:
  
  X cord of parent in a base grid
- getParentY
  
  public int getParentY()
  
  Calculates Y cord of parent node from base grid (with depth 0).
  
  Returns:
  
  Y cord of parent in a base grid
- getCornerPoints
  
  public javax.vecmath.Point2d[] getCornerPoints(double a)
  
  Calculates corner points of area represented by node
  
  Returns:
  
  corner points [(minX, minY),(minX, maxY),(maxX, minY),(maxX, maxY)]
- getChildren
  
  public PoissonDiskSubSampling.ActiveNode[] getChildren()
  
  Creates 4 children nodes in depth +1, each covering 1/4 of this node
  
  Returns:
  
  array of children nodes
- getSideLength
  
  public double getSideLength(double a)
  
  Calculates node side length
  
  Returns:
  
  side length
- isCoveredByDisk
  
  public boolean isCoveredByDisk(javax.vecmath.Point2d point, double d, double a)
  
  Checks if area represented by node is fully covered by disk of a given point
  
  Parameters:
  
  point - point to check
  
  Returns:
  
  true if fully covered