/*
 * ENUM: SE_Quadrant
 *
 *   This data type is used by <Quad Tree Data> to specify which quadrant
 *   of a Quad Tree is represented by the associated <Feature Hierarchy>
 *   (for a <Quad Tree Related Features>) or <Geometry Hierarchy> (for a
 *   <Quad Tree Related Geometry>).
 *
 *   The numbering of the quadrants is based upon the region Quad Trees
 *   described in The Design and Analysis of Spatial Data Structures, by
 *   Hanan Samet, Addison-Wesley, 1990.
 */

Enumerant Notes

SE_QUADRANT_NORTHWEST

 Northwest quadrant.

SE_QUADRANT_NORTHEAST

 Northeast quadrant.

SE_QUADRANT_SOUTHWEST

 Southwest quadrant.

SE_QUADRANT_SOUTHEAST

 Southeast quadrant.