What is overlap in aerial photographs? Mention its advantage.

1.	What is overlap in aerial photographs? Mention its advantage.
Answer» In each aerial photograph, nearly 60% of the places depicted in the adjacent photo is included. This is done to ensure continuity and to obtain three dimensional view. This is termed as the overlap in aerial photos. Only photos with overlap can give three dimensional views. Its advantages are : To ensure continuity of aerial photographs. To obtain three dimensional view For a synoptic view of the area. Help in understanding the undulations of the terrain.

Answer»

In each aerial photograph, nearly 60% of the places depicted in the adjacent photo is included. This is done to ensure continuity and to obtain three dimensional view. This is termed as the overlap in aerial photos. Only photos with overlap can give three dimensional views.

Its advantages are :

To ensure continuity of aerial photographs.
To obtain three dimensional view
For a synoptic view of the area.
Help in understanding the undulations of the terrain.

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What is overlap in aerial photographs? Mention its advantage.

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