fix tooltips position on different zoom level
fix tooltips position on different zoom level

chtyim/cdap,caskdata/cdap,chtyim/cdap,caskdata/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap