What Are Datums Used For? Geodesists What is a datum mark and what is it used for? Datum refers to a fixed or starting point, line or surface. A marking out operation will be more accurate if all measurements are from one datum point. This could be the use of one straight edge of a
What Is A Datum Feature Symbol? The previewed Datum Feature Symbol consists of the frame, triangle, and leader connecting to the frame. … When you select the extension line of a linear dimension, the datum feature triangle is attached to the extension line at the point where the dimension line touches the extension line. What
What Is The Difference Between A Datum And A Datum Feature? A Datum is a perfect point, line, plane or surface but only exists theoretically. However a Datum Feature is a tangible surface, point or axis on a part where that theoretical datum is located. What can be a datum feature? A datum feature can