Which method is used in GIS for obtaining measurements such as length and area?

The method used in Geographic Information Systems (GIS) for obtaining measurements like length and area is indeed measurements. This approach provides tools to directly calculate various dimensions of spatial features. For example, in a GIS, users can easily measure the length of a line or the area of a polygon on a map. This is essential for tasks such as urban planning, environmental assessment, and resource management where understanding the scale of features is crucial.

In the context of GIS functionality, measurements allow for precision and accuracy. Users can employ specific measurement tools within GIS software that utilize the spatial data and geometric properties of the mapped features to generate reliable figures. This can be particularly helpful in various fields such as surveying, land development, and ecological studies.

Other methods listed, such as query and analysis, serve different purposes within GIS. Queries allow users to extract specific information from datasets based on certain criteria, while analysis involves more complex manipulations of spatial data to derive insights or produce new layers, often incorporating tools like overlays or statistical measures. Transformations typically refer to changing the representation or coordinate system of spatial data rather than directly measuring physical dimensions.