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

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

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 -73.9647298 / 40.7683774

How Do We Get Our Location Classroom is at a point defined as -73.9647298 / 40.7683774 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