Research Article

Improved Fractal Space Filling Curves Hybrid Optimization Algorithm for Vehicle Routing Problem

Algorithm 1

Definition of honeycomb structure.
public class HoneycombStructure
  public int Level; //Current structure level
  public BeeCell pCenterCell; //central cell
  public ArrayList subCenterCellArray; //sub-structure central cell
  public BeehiveStructure pParentStructure; //upper level structure
  public BeehiveStructure pCenterStructure; //central sub-structure, 0
  public ArrayList subCenterStructureArray; //surround sub-structure, 1–6