![]() ![]() Digital Photography is the best example of raster data type model, anyone who is familiar with digital photography can recognize the pixels as the smallest individual unit of an image, where each pixel value in the image corresponds to a particular color and the combination of these pixels will create an image. The Real world objects or features of earth can be divided into two abstractions: discrete objects (a Tree) and continuous fields (like elevation).Ī raster data type is made up of pixel or cells and each pixel has an associated value. GIS data represents real-world objects such as roads, land use, elevation with digital data. ![]() There are two essential methods used to store information in a Geographic Information System – GIS for both reflections: Raster and Vector Data Model.
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