Class Key


  • public class Key
    extends java.lang.Object
    A Key is a unique identifier for a node in a tree. It contains a lower-left point and a level number. The level number is the power of two for the size of the node envelope
    Version:
    1.7
    • Constructor Detail

      • Key

        public Key​(Interval interval)
    • Method Detail

      • computeLevel

        public static int computeLevel​(Interval interval)
      • getPoint

        public double getPoint()
      • getLevel

        public int getLevel()
      • getInterval

        public Interval getInterval()
      • computeKey

        public void computeKey​(Interval itemInterval)
        return a square envelope containing the argument envelope, whose extent is a power of two and which is based at a power of 2