Conceptual Design CD000001

Postgres Interface

• Import the GPS data from a postgres database.

Conceptual Design CD000002 Build 3D Model

• Construct a 3D model based on the elevations at known points.

Maintain a list of GPS vehicles

• Every time a GPS record is received for an unknown GPS vehicle, add the vehicle to the vehicles list.

"Run Mode"

• Once every second, poll the db for any updated shift_gps records, and update the screen appropriately.

Replay Mode

• Get the start time from the user.
• Get a list of all gps locations, ordered by time, starting at the specified time.
• Starting at the earliest record, update the location of the appropriate vehicle on the screen.