Segment/point dimension
Icon access :
Icon access : Tools | dimension
Description :
Allows you to quickly dimension the distance between a segment and a point
General philosophy:
Click the point then the segment.
Position the dimension
Specific point(s):
We can see that extremity is a circle
for point and an arrow for segment
Appearance and other parameters
(value, unit, offset...) can be modified by using 
, 
and