3 Commits

Author	SHA1	Message	Date
tqchen	47145a7fac	ok, now work on update position	2014-10-16 11:56:55 -07:00
tqchen	aefe58a207	middle version	2014-10-16 10:38:49 -07:00
tqchen	d0daecb4d3	add bitmap .	2014-10-15 14:30:06 -07:00