Package org.geotools.renderer.label

Class LabelIndex

  • public class LabelIndex
extends Object
    Stores label items and helps in finding the interferering ones, either by pure overlap or within a certain distance from the specified bounds
    Author:
    Andrea Aime

    • Constructor Summary

      Constructors 
      Constructor Description
      LabelIndex()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addLabel​(LabelCacheItem item, Rectangle2D bounds)
      Adds a label into the index
      boolean labelsWithinDistance​(Rectangle2D bounds, double distance)
      Returns true if there is any label in the index within the specified distance from the bounds.
      void reserveArea​(List<Rectangle2D> reserved)
      Reserve the area indicated by these Geometry.

      • Methods inherited from class Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • LabelIndex

        public LabelIndex()

    • Method Detail

      • labelsWithinDistance

        public boolean labelsWithinDistance​(Rectangle2D bounds,
                                    double distance)
        Returns true if there is any label in the index within the specified distance from the bounds. For speed reasons the bounds will be simply expanded by the distance, no curved buffer will be generated

      • addLabel

        public void addLabel​(LabelCacheItem item,
                     Rectangle2D bounds)
        Adds a label into the index

      • reserveArea

        public void reserveArea​(List<Rectangle2D> reserved)
        Reserve the area indicated by these Geometry.