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PostGIS in Action by Leo Hsu, Regina Obe

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Chapter 6. Spatial reference system considerations

 

This chapter covers
  • Characteristics of spatial reference systems
  • How to determine and select spatial reference systems

 

Up to this point we’ve been working mostly with fictitious data and only glimpsed at real-world data. Using sample data to learn the basics of PostGIS is an excellent beginning. You’re immediately rewarded with results without facing the distractions and the obstacles of real-world data. From this chapter forward, we’re not going to shield you any more.

We start this chapter with coverage of spatial reference systems. We follow up with exercises on determining the spatial reference of source data and selecting suitable ones for storage.

The art and science of modeling ...

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