Photogrammetry or aerial pictures would be the branch of surveying that discounts with creation of maps like planimetric or topographic maps by compiling quantity of images taken in that spot. Photogrammetry is composed two branches: Terrestrial photogrammetry Photogrammetry is utilized to create exact 2nd and 3D types with exact coordinates. https://trevornmkhd.blog-a-story.com/12479544/the-basic-principles-of-drone-inspection-bangladesh