1. GTECH 709 Locations
Where are we?
How do we get out location?

2. Locations Where are we now?
Used to be a hard question involving complicated instruments and specialist training

3. How Do We Get Our Location
Smartphones and consumer-grade GPS
Often augmented by wifi and cellphone tower data
Positional accuracy between ten and 1,000 feet
Professional surveying-grade systems provide sub-feet accuracy
Hunter Geography lab is at a point defined as /

4. How Do We Get Our Location
Classroom is at a point defined as /
If I walked to the elevator, we would create a path line
If we walked around the block, we could create a polygon
Point, lines and polygons form spatial vector data