Distance

The Distance tool determines the space between two specifically defined objects or patterns in an image.

Distance Tool Settings
Settings	Description
Measured Tools	There are four different options for where to measure edges: Left - measures from left or top of an edge. Middle - measures from the middle of an edge Right - measures from right/bottom of an edge Perpendicular/Bottom - creates a measuring line perpendicular to this edge, extending until it intersects with another edge. Select an edge on one side.
Distance Limit	Determines the minimum and maximum values.
Scale Calibration	Calibrates pixel values to engineering units measured in centimeters, millimeters, microns, or inches.