Attributes

type

example

explanation

Date of data collection

Integer

20100910

September 10, 2010

longitude

Floating point

118.79024

Take 5 digits after the decimal point

latitude

Floating point

32.059682

6 digits after the decimal point

speed

Integer

29

Instantaneous speed (single point recorded by GPS)

Direction angle

Integer

210

Clockwise included angle with true north (0˚ - 359˚)

Operational status

Integer

0

0 means empty car, 1 means heavy car

Data availability

Integer

1

0 means abnormal, 1 means normal