Tuesday, October 13, 2015

       -An aerial photograph has the following advantages over a map 
It provides a current pictorial view of the ground that no map can. It is more readily obtained. The photograph may be in the hands of the user within a few hours after it is taken; a map may take months to prepare. It may be made for places that are inaccessible to ground soldiers. It shows military features that do not appear on maps. It can provide a day-to-day comparison of selected areas, permitting evaluations to be made of enemy activity. It provides a permanent and objective record of the day-to-day changes with the area.-Disadvantages The aerial photograph has the following disadvantages as compared to a map. Ground features are difficult to identify or interpret without symbols and are often obscured by other ground detail as, for example, buildings in wooded. Position location and scale are only. Detailed variations in the terrain features are not readily apparent without overlapping photography and a stereoscopic viewing .Because of a lack of contrasting colors and tone, a photograph is difficult to use in poor . It lacks marginal .It requires more training to interpret than a map. 
It provides a current pictorial view of the ground that no map can. It is more readily obtained. The photograph may be in the hands of the user within a few hours after it is taken; a map may take months to prepare. It may be made for places that are inaccessible to ground soldiers. It shows military features that do not appear on maps. It can provide a day-to-day comparison of selected areas, permitting evaluations to be made of enemy activity. It provides a permanent and objective record of the day-to-day changes with the area.

      -Disadvantages The aerial photograph has the following disadvantages as compared to a map. Ground features are difficult to identify or interpret without symbols and are often obscured by other ground detail as, for example, buildings in wooded. Position location and scale are only. Detailed variations in the terrain features are not readily apparent without overlapping photography and a stereoscopic viewing .Because of a lack of contrasting colors and tone, a photograph is difficult to use in poor . It lacks marginal .It requires more training to interpret than a map.