Freehand draw or write over the video image in choice of three different line thicknesses with an optional light pen, mouse pen or mouse. Displays path length of freehand drawing as drawing takes place with an optional light pen, mouse pen or mouse. Calculates the area of a cell or shape when operators define the cell or shape. Measures the long and short chords of a cell or object when operators indicate the extremes of the perimeter. Offers a counting mode .
Operators tag each cell or particle to be counted.
Up to 10 different categories can be marked. Ten different pointers including arrows, standard cross hairs, a target circle, a small circle, a target box and a small box. A sizeable and positionable reference circle or scale can be created for a quick comparison of objects or cells to a standard. Sizeable grids can overlay the video image to assist in counting. The current date and time may be displayed anywhere.