A Novel Convex Hull Coverage Algorithm for the Deployment of Electric Taxi Swap Stations Based on Urban Traffic Flow

Table 1

Data example of taxi trajectory.

CAR_ID	X	Y	SPEED	DIRECTION	GET_TIME	OPERATE	LOCATION
2108	120.6479	31.27949	42	183	2012-3-3 10:24:11	1	1
2108	120.6304	31.26699	29	75	2012-3-3 10:32:01	0	0
2239	120.6193	31.3015	42	171	2012-3-3 11:37:38	1	1
5229	120.6624	31.28246	35	174	2012-3-3 11:37:46	0	0
…	…	…	…	…	…	…	…