Package com.treemap.swing.originalfastvoronoi

Class VoronoiCore

java.lang.Object
com.treemap.swing.originalfastvoronoi.VoronoiCore
public class VoronoiCore extends Object
Core class for generating Voronoi Treemaps. position and weight of sites is changed on each iteration to get the wanted area for a cell.

  • Field Details

    • cancelOnAreaErrorThreshold

      protected boolean cancelOnAreaErrorThreshold

    • cancelOnMaxIterat

      protected boolean cancelOnMaxIterat

    • errorAreaThreshold

      protected double errorAreaThreshold

    • clipPolygon

      protected PolygonSimple clipPolygon

    • sites

      protected OpenList sites

    • completeArea

      protected double completeArea

    • preflowFinished

      protected boolean preflowFinished

    • diagram

      protected PowerDiagram diagram

    • currentAreaError

      protected double currentAreaError

    • currentEuclidChange

      protected double currentEuclidChange
      Temporary, only for debugging

    • lastAreaError

      public double lastAreaError

    • lastAVGError

      public double lastAVGError

    • lastMaxError

      public double lastMaxError

    • lastSumErrorChange

      public double lastSumErrorChange

    • lastEuclidChange

      protected double lastEuclidChange

  • Constructor Details

    • VoronoiCore

      public VoronoiCore()

    • VoronoiCore

      public VoronoiCore(PolygonSimple clipPolygon)

    • VoronoiCore

      public VoronoiCore(OpenList sites, PolygonSimple clipPolygon)

  • Method Details

    • setClipPolygon

      public void setClipPolygon(PolygonSimple polygon)
      The resulting Voronoi Cells are clipped with this polygon
      Parameters:
      polygon -

    • addSite

      public void addSite(Site site)
      Adds a site, which is a voronoi cell to the list
      Parameters:
      site -

    • iterate

      public void iterate()

    • voroDiagram

      public void voroDiagram()
      Computes the diagram and sets the results

    • doIterate

      public void doIterate()

    • doIterate

      public void doIterate(int iterationAmount)

    • setCancelOnAreaErrorThreshold

      public void setCancelOnAreaErrorThreshold(boolean cancelOnThreshold)

    • isCancelOnAreaErrorThreshold

      public boolean isCancelOnAreaErrorThreshold()

    • setCancelOnMaxIterat

      public void setCancelOnMaxIterat(boolean cancelOnMaxIterat)

    • setErrorAreaThreshold

      public void setErrorAreaThreshold(double errorAreaThreshold)

    • setSites

      public void setSites(OpenList sites)

    • getSites

      public OpenList getSites()

    • setUseExtrapolation

      public void setUseExtrapolation(boolean useExtrapolation)

    • isUseExtrapolation

      public boolean isUseExtrapolation()

    • getPreflowPercentage

      public double getPreflowPercentage()

    • setPreflowIncrease

      public void setPreflowIncrease(double preflowIncrease)
      If a region wants to increase its area by the factor preflowIncrease it is considered for preflow extrapolation. default value is 1.6 (experimental)

    • setGuaranteeValidCells

      public void setGuaranteeValidCells(boolean guaranteeInvariant)

    • setNumberMaxIterations

      public void setNumberMaxIterations(int numberMaxIterations)

    • setPreflowPercentage

      public void setPreflowPercentage(double preflowPercentage)

    • setUseNegativeWeights

      public void setUseNegativeWeights(boolean useNegativeWeights)

    • setAggressiveMode

      public void setAggressiveMode(boolean aggressiveMode)

    • getAggressiveMode

      public boolean getAggressiveMode()

    • main

      public static void main(String[] args)
      Parameters:
      args -