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Applying and Extending Oracle Spatial by Siva Ravada, Simon Gerard Greener

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Summary

The thrust of this chapter has been to show, in a step-by-step manner, how existing open source Java-based algorithms and solutions can be made available to enhance or compliment Oracle SDO_GEOMETRY based processing. The reasons why recourse to Java-based stored procedures should be considered were covered. The following were identified as the chief criteria for determining a core Java platform on which to build functionality, with JTS Topology Suite being chosen:

  • Common geometry type hierarchy
  • Conversion methods
  • A source of quality existing spatial algorithms

You were then shown how to download, compile, package, and load the required JTS source code into the Oracle database. Source code-based class development was covered as was the creating ...

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