Package com.macrofocus.treemap.originalfastvoronoi

Class VoronoiCore

  • public class VoronoiCore
extends java.lang.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 Detail

      • cancelOnAreaErrorThreshold

        protected boolean cancelOnAreaErrorThreshold

      • cancelOnMaxIterat

        protected boolean cancelOnMaxIterat

      • errorAreaThreshold

        protected double errorAreaThreshold

      • completeArea

        protected double completeArea

      • preflowFinished

        protected boolean preflowFinished

      • 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 Detail

      • VoronoiCore

        public VoronoiCore()

    • Method Detail

      • 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)

      • 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​(java.lang.String[] args)
        Parameters:
        args -