63. Statements about Terrestrial laser scanning are given below :
1. It is a measurement technique that can acquire millimeter-level of detail from the surrounding area.
2. It allows rapid, automatic and periodical estimates of many important forest inventory attributes.
3. It measures the surrounding three-dimensional (3D) space.
4. It is a satellite-based technique that ensures precise standard surveys.

Which of the above given statements are true ?

1. 1, 2 and 3

2. 1, 3 and 4

3. 2, 3 and 4

4. 1, 2 and 4

Correct Answer :

1, 2 and 3