16.1 Understanding Football Spatial Data - 16.1.1 Coordinate Systems - 16.1.2 Tracking Data Concepts - 16.1.3 Working with X-Y Coordinates - 16.2 Drawing the Football Field - 16.2.1 Field Dimensions and Markings - 16.2.2 Creating Field Plots - 16.2.3 Reusable Field Functions - 16.3 Pass Location Ana