When a map is needed for a particular area of land, there are several ways to go about collecting the information. Regardless of how features and data are displayed on a map, one of the most basic foundations that a map user expects is that the information displayed is accurate. That begs the question, then: how does the team creating the map ensure that the information they gather and portray on the map is truly accurate? High accuracy land mapping is a very specialized task that requires modern technology as well as technical expertise. Earth Graphics uses a wide range of tools to provide maps with a high level of accuracy. The instruments that work best for a particular map depend largely on the client's requirements for the map itself.
Some projects require a very high level of accuracy. In those cases, the agency creating the map may make use of technology that is engineered to provide accuracy at a truly unbeatable level. For example, LiDAR sensors can be used in aerial mapping to provide exacting measurements of land features such as topographical heights. LiDAR uses laser targeting and high reflection analysis. High accuracy land mapping may make use of LiDAR on its own or in addition to aerial photography.
Accuracy is also a factor in different methods used in aerial photography. In oblique aerial imagery, large format cameras capture more accurate data that traditional cameras. This allows for an increased level of accuracy in applications like pictometry, which shows the fronts and sides of buildings on the ground.
The key factor to consider when looking into high accuracy land mapping is the application for the data being used. In broad applications, such as information needed for marketing purposes, often it isn't necessary for a map to be produced with a highly specific level of accuracy. On the other hand, when critical decisions are going to be based on the data provided in a map, high accuracy is of crucial importance.
Some projects require a very high level of accuracy. In those cases, the agency creating the map may make use of technology that is engineered to provide accuracy at a truly unbeatable level. For example, LiDAR sensors can be used in aerial mapping to provide exacting measurements of land features such as topographical heights. LiDAR uses laser targeting and high reflection analysis. High accuracy land mapping may make use of LiDAR on its own or in addition to aerial photography.
Accuracy is also a factor in different methods used in aerial photography. In oblique aerial imagery, large format cameras capture more accurate data that traditional cameras. This allows for an increased level of accuracy in applications like pictometry, which shows the fronts and sides of buildings on the ground.
The key factor to consider when looking into high accuracy land mapping is the application for the data being used. In broad applications, such as information needed for marketing purposes, often it isn't necessary for a map to be produced with a highly specific level of accuracy. On the other hand, when critical decisions are going to be based on the data provided in a map, high accuracy is of crucial importance.