Integer cell values typically represent categorical data for Ex- A land cover model may use 1 for forest, 2 for water body, 3 for built-up area and so on. Each cell in a grid carries a value either an integer or a floating value. Raster data represents areas by collection of contiguous cell.Raster data represents lines by sequence of neighboring cells.Raster data represents points by single cells.There are three elements in a raster data model. ![]() This data structure involves a division of spatial data into regularly spaced cell is of the same shape and size.Ī raster data matrix is in fact a matrix where any coordinate can be quickly calculated if the origin point is known and the size of the grid cells is known. The most popular cell structure is the regularly spaced matrix or raster structure.
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