Measurement tools
You can measure objects in the image using any of the following Measurement tools:
 | Select Allows to select existing measurement objects in the image. |
 | Lock tool When the lock is Open, the program returns to Select mode after performing a measurement using any of the tools below. Close the lock when you need to perform several measurements with the same tool. |
 | Unit Draw line (click two points) to define the unit of measurement. |
 | Length Draw line to measure a length or distance. |
 | Middle Draw line and mark middle point. |
 | Angle Click 3 points to measure an angle. |
 | Perpendicular line First click 2 points to draw a line. Next click a 3rd point to draw a second line perpendicular on the first line. The middle point of the second line is shown. |
 | Path Click several points to obtain a path and calculate its total length. |
 | Area Click several points to obtain an area (closed path) and calculate its surface area and perimeter. |
 | Center Click several points and find their common center assuming they form a circle. |
 | Circle Click a point to define the circle, move the mouse to the center of the circle and click. |
 | Ellipse Click 2 points to define the long axis of the ellipse and next click any 3rd point that lies on the ellipse. |
 | Arc Click 3 points to define a circular arc. |
 | Rectangle Measures a rectangle. |
 | Marker/Counter Click in the image to place a marker. |
 | Marker/Counter Click in the image to place a marker. |
 | Barcode Identify and decode a barcode. |
 | Magic contour Finds the contour of objects automatically. |
 | Color selection tool Select color for measurement objects. |