Chapter 16. Extending PostGIS with pgRouting and procedural languages
This chapter covers:
pgRouting
PL/R
PL/Python
PL/V8
In this chapter, we’ll cover PostgreSQL extensions commonly installed with PostGIS. Extensions expand what you can do with PostGIS beyond the base installation. Each extension can come packaged with additional functions and data types (PostGIS is itself an extension). Each extension has a specific mission. It may allow you to script in an additional language, add specific functionality, or replace existing functions with faster implementations.
In this chapter, we’ll discuss the following extensions:
- pgRouting —A library of functions used in conjunction with PostGIS to solve problems such as shortest path, driving directions, ...
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