Consider the following statements about arthophotos and select the correct answer using the codes given below:
1) Orthophotos have relief distortions like aerial photographs.
2) They are also called as photomaps.
3) Differential rectification process is used in generation of orthophotos.
1
1, 2 and 3 are correct
2
2 and 3 are correct
3
1 and 3 are correct
4
1 and 2 are correct