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PostGIS Essentials by Angel Marquez

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Chapter 5. Displaying GIS Data Graphically

In this chapter, we will learn how to graphically see the data stored in our spatial databases. To achieve this goal, we will use a powerful tool called QGIS. We have used this tool in the previous chapter, but we will now take a closer look at it. This chapter isn't a complete and exhaustive guide of QGIS; its objective is to be a practical and useful reference that can achieve this book's goals.

In this chapter, we will cover the following topics:

  • Learning the basics of how to use QGIS
  • Seeing the data stored in our databases
  • Using some additional data formats, besides the data stored in our databases
  • Building and using spatial queries from the QGIS interface

Introducing QGIS

QGIS is a powerful, open, and free ...

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