Instance Property

majorRadiusTolerance

The tolerance (in points) of the touch’s radius.

Declaration

@property(nonatomic, readonly) CGFloat majorRadiusTolerance;

Discussion

This value determines the accuracy of the value in the majorRadius property. Add this value to the radius to get the maximum touch radius. Subtract the value to get the minimum touch radius.

See Also

Getting the Location of a Touch

- locationInView:

Returns the current location of the receiver in the coordinate system of the given view.

- previousLocationInView:

Returns the previous location of the receiver in the coordinate system of the given view.

view

The view to which touches are being delivered, if any.

window

The window in which the touch initially occurred.

majorRadius

The radius (in points) of the touch.

- preciseLocationInView:

Returns a precise location for the touch, when available.

- precisePreviousLocationInView:

Returns a precise previous location for the touch, when available.