Tiêu đề Day 32 - Higher Surveying.pdf ✅

DAY 39: HIGHER SURVEYING HIGHER SURVEYING • Cartography and Photogrammetry • Topography • Hydrographic Surveying • Mine Surveying • Astronomical Surveying "A great surveyor doesn’t just measure distances—they measure possibilities."

DAY 39: HIGHER SURVEYING CARTOGRAPHY AND PHOTOGRAMMETRY "A great surveyor doesn’t just measure distances—they measure possibilities." Planes are used when taking aerial photos. It flies at an altitude of h, and the image forms behind the camera at a focal distance f. For the scale, f image size = H actual size scale = image size actual size scale = f H