THE BRANCHES OF SURVEYING :
Cadastral survey : Cadastral surveying is that branch of surveying which is concerned with the survey and demarcation of land for the purpose of defining parcels of land for registration in a land registry. Engineering survey : Engineering Surveying is an important disciplinary field that serves construction projects Hydrographic Survey : Hydrographic Survey is an instrumental survey to measure and determine characteristics of streams and other bodies of water extent, and depth of water in lakes or the ocean. Photogrammetry: Photogrammetry Is using cameras which are usually carried in airplanes to obtain images making measurements from photographs and also to determine the positions on photographed objects. Topography survey : Is about determining the relative locations of points (places) on the earth's surface by measuring horizontal distances, differences in elevation and directions
Remote sensing: Remote sensors is collect data by detecting the energy that is reflected from Earth. These sensors also can be on satellites or mounted on aircraft. Geographical Information System: A geographic information system (GIS) integrates hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. GIS also allows us to view, understand, question, interpret, and visualize data in many ways that reveal relationships, patterns, and trends in the form of maps, globes, reports, and charts. Global positioning system : is a space based satellite navigation system that provides location and time information in all weather conditions anywhere on or near the earth where there is an unobstructed line of sight to four or more GPS satellites.