The multiplier of range start
The multiplier of range end
The duration of animation when zooming to extents
zoomBy(double,double,long) Method
Performs zoom on current axis, using @code:minFraction as a multiplier of range start and @code:maxFraction as a multiplier of range end with the specified animation duration
Syntax
void zoomBy( 
   double minFraction,
   double maxFraction,
   long duration
)

Parameters

minFraction
The multiplier of range start
maxFraction
The multiplier of range end
duration
The duration of animation when zooming to extents
See Also