Question

What are the major advantages of the graphical method?

Answer 1

This type of scale shows map distances and the corresponding ground distances using a line bar with primary and secondary divisions marked on it. This is referred to as the graphical scale or bar scale.

Advantages:

• It can express scale not only in kilometers and meters but the readings may also be shown in miles and furlongs.
• Unlike the statement of the scale method, the graphical scale stands valid even when the map is reduced or enlarged. This is the unique advantage of the graphical method of the map scale.