Package com.treemap.swing.voronoi

Class VoronoiCell

java.lang.Object
com.treemap.swing.voronoi.VoronoiCell
All Implemented Interfaces:
Comparable<VoronoiCell>
public class VoronoiCell extends Object implements Comparable<VoronoiCell>
A Voronoi Cell containing all related data and properties

  • Field Details

    • weight

      public double weight

    • outsideDomainCell

      public static final VoronoiCell outsideDomainCell

  • Constructor Details

    • VoronoiCell

      public VoronoiCell(double desiredNormalizedArea, MutableTreeMapNode child, MutableTreeMapNode parent)
      Creates an instance of VoronoiCell.
      Parameters:
      desiredNormalizedArea - normalize desired area. Desired area divided by the area of the containing cell or shape.
      child - representing child node
      parent -

  • Method Details

    • scale

      public void scale(double scale)
      Scales the cell (e.g. for placing it in a scaled diagram)
      Parameters:
      scale - scale factor

    • getCurrentArea

      public int getCurrentArea()
      Returns the curent area of the cell in pixels.
      Returns:
      current area in pixels

    • getDesiredNormalizedArea

      public double getDesiredNormalizedArea()
      Returns the desired area of the cell in pixels.
      Returns:
      desired area in pixels

    • getPosition

      public Point2d getPosition()
      Returns the center position of the cell in pixels.
      Returns:
      center position in pixels

    • getWeight

      public double getWeight()
      Returns the current wieght of the cell.
      Returns:
      current weight

    • setPosition

      public void setPosition(int x, int y)
      Sets the center position of the cell in pixels.
      Parameters:
      x - x-coordinate in pixels
      y - y-coordinate in pixels

    • setPosition

      public void setPosition(Point2d position)
      Sets the center position of the cell in pixels.
      Parameters:
      position - center position of the cell in pixels

    • setWeight

      public void setWeight(double weight)
      Sets the weight of the cell.
      Parameters:
      weight - the new weight

    • setCurrentNormalizedArea

      public void setCurrentNormalizedArea(double currentNormalizedArea)
      Sets the normalized area of the cell which is its area devided by the area of the parent cell or shape which contains it.
      Parameters:
      currentNormalizedArea - normalized area: area of the cell devided by the area of the parent cell/shape

    • getCurrentNormalizedArea

      public double getCurrentNormalizedArea()
      Gets the normalized area of the cell which is its area devided by the area of the parent cell or shape which contains it.
      Returns:
      normalized area: area of the cell devided by the area of the parent cell/shape

    • addPixelForAreaAndCenterOfMassDetermination

      public void addPixelForAreaAndCenterOfMassDetermination(int x, int y)
      Updates the center of mass, area and bounds of the cell. Call this function to gradually update the center of mass, area and bounds while assigning new pixels to the cell.
      Parameters:
      x - x-coordinate of a new pixel (in pixels)
      y - y-coordinate of a new pixel (in pixels)

    • resetCellShapeData

      public void resetCellShapeData()
      Resets center of mass, area and bounds of the cell.

    • getCenterOfMass

      public Point2d getCenterOfMass()
      Returns the center of mass.
      Returns:
      center of mass in pixels

    • getChild

      public MutableTreeMapNode getChild()
      Get the assigned child node.
      Returns:
      the assigned child node

    • set

      public void set(VoronoiCell cell)
      Assign the field value of another cell to this cell.
      Parameters:
      cell - a VoronoiCell whose field values are assigned to this cell

    • setErrorAbsolute

      public void setErrorAbsolute(double errorAbsolute)
      Sets the absolute value (i.e. removed sign) of the current area error devided by the containing parent cell or shape area.
      Parameters:
      errorAbsolute - absolute value (i.e. removed sign) of the current area error devided by the containing parent cell or shape area

    • getErrorAbsolute

      public double getErrorAbsolute()
      Returns the absolute value (i.e. removed sign) of the current area error devided by the containing parent cell or shape area.
      Returns:
      absolute value (i.e. removed sign) of the current area error devided by the containing parent cell or shape area

    • setLineSegments

      public void setLineSegments(List<LineSegment> lineSegments)
      Sets the line segments of a cell. Line segments: Outline segments of a cell. A segment defines a curved or straight segment of the outline of the cell which connects to corners (vertices).
      Parameters:
      lineSegments - outline segments of a cell. A segment defines a curved or straight segment of the outline of the cell which connects to corners (vertices)

    • setPolygon

      public void setPolygon(com.macrofocus.geom.Polygon polygon)
      Sets the polygon outline shape of the cell which is the original unsmooth version of its shape. Th Polygon is mainly used for debugging, to compare the original unsmooth shape with the smoothed one.
      Parameters:
      polygon - polygon outline shape of the cell

    • getPolygon

      public com.macrofocus.geom.Polygon getPolygon()
      Returns the polygon outline shape of the cell which is the original unsmooth version of its shape. Th Polygon is mainly used for debugging, to compare the original unsmooth shape with the smoothed one.
      Returns:
      polygon outline shape of the cell

    • compareTo

      public int compareTo(VoronoiCell o)
      Specified by:
      compareTo in interface Comparable<VoronoiCell>

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • getParent

      public MutableTreeMapNode getParent()