My Pathomation comes with a set of tools to annotate and draw on your slides have been updated. The available tools are listed here:

1/ Straight line & measurement tool

2/ Arrow & text tool

3/ Circle tool

4/ Square tool

5/ Freehand line and measurement tool

6/ Closed freehand tool

7/ Text tool An illustration of the results is shown here

The annotations you make on a slide will persist if you include this slide in a collection, slide box or course

The line tool will show you the length of the line, the area tools will show the surface area inside the marked area. I you want to make a quick series of line distance measurements that do not need to be stored you can use the measurement tool, the use is explained in this videohttps://youtu.be/AfVNdafwNMw