Use these tools to make instant measurements of objects in the tracing window. These tools can also be used to test lens calibrations and to fine-tune the calibrations.
The program doesn't save these measurements to the data file; they are only available during the current session.
Each measurement tool operates in a continuous mode in which you can take successive measurements.
To measure the distance across multiple fields of view, use the arrow buttons in the toolbar to move the stage.
To translate the line, press the SHIFT key and drag the line.
To constrain the line to 22½° increments, press the CTRL key. Helpful to draw perfectly horizontal and vertical lines.
Measures an angle defined by three points.
Measurements are temporarily recorded for the duration of the session.