Birdview Mapping

gis: 3d city modeling : capturing building footprints, attribution of building id, roof type & building roof material.railway corridor mapping : creating 3d planimetric data. railway lines, power lines, paylons, stations, ele poles, buildings, roads, footpath, trees, streams, water. idtm : creating automatic mass points, cleaning & fixing topological errors using microstaion v8 & autocad. gas distribution system : creating gis database for gas distribution system. orthophoto : checking the ortho-rectified arial images tile wise, manual correction of seams line errors. base map creation : creating the seamless gis database. digitization of building, road centerline & row with reference to nrsa. attribution & incorporating other features, the features such as, landmarks, bridges, street lights, manholes, median, trees, solid waste collection point, footpath, signals, traffic islands sewage mains & electricity lines etc., sigpac : checking or where appropriate, correct, the delimitation o