Photogrammetry is among the earliest techniques of remote sensing. The word Photogrammetry is the combination of three distinct Greek words ‘Photo’, ‘Gram’ and ‘Metry’ which in English literally means, light, drawing and measurement respectively.
In NESAC, Photogrammetry division provides complete solutions for all standard tasks in digital Photogrammetry services such as Aerial Triangulation (AT), DSM/ DTM generation, Photogrammetry mapping, stereo compilation, topographic and planimetric feature extraction, orthophoto production, color balancing, contour generation, alignment studies for canal/road/railways, cut and fill volume estimation – volumetric analysis, L-section & cross-section profile generation, 3D terrain visualization and photo-realistic 3D city modeling.