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DM-11 - Hierarchical data models
Learning Objectives:
Illustrate the quadtree model
Describe the advantages and disadvantages of the quadtree model for geographic database representation and modeling
Describe alternatives to quadtrees for representing hierarchical tessellations (e.g., hextrees, rtrees, pyramids)
Explain how quadtrees and other hierarchical tessellations can be used to index large volumes of raster or vector data
Implement a format for encoding quadtrees in a data file
Related Topics:
Triangular Irregular Network (TIN) Models
The Raster Data Model
The hexagonal model
Keywords:
tessellation data models
Keywords: