Class PlotDataPointIterator

java.lang.Object
uk.ac.starlink.ttools.plot.PointIterator
uk.ac.starlink.ttools.plot.PlotDataPointIterator

public class PlotDataPointIterator extends PointIterator
PointIterator implementation based on a PlotData object.
Since:
9 Apr 2008
Author:
Mark Taylor
  • Constructor Details

    • PlotDataPointIterator

      public PlotDataPointIterator(PlotData data, PointPlacer placer)
      Constructor.
      Parameters:
      data - object supplying point data
  • Method Details

    • nextPoint

      protected int[] nextPoint()
      Description copied from class: PointIterator
      Returns a triple giving point index, screen X coordinate and screen Y coordinate. Returns null if there are no more points. It is permissible to return the same int[] array with different contents each time. Invoked by PointIterator.readNextPoint().
      Specified by:
      nextPoint in class PointIterator
      Returns:
      ip, xp, yp triple