Add property to define the processing width

Change-Id: Ic917b3406318e4ce84fb9eb553e6ee0658dd6381
Fix bug: Drawing into roi limits

Change-Id: Ifc5fe84349c2c4e69b1cd497740d2171ca225569
Not drawing mixing high and low speed crowded regions

Change-Id: I59d1fd09124246a7f46114a4438fb4f9690d8d0b