The cell value itself is the attribute that describes the location. The cells in this type of grid do not fall neatly into discrete categories. Learn more about raster dataset attribute tablesįloating-point grids do not have a VAT because the cells in the grid can assume any value within a given range of values. For example, if 50 cells have a value of 1 representing a forest, then the VAT would show a VALUE = 1 and COUNT = 50 for each of the 50 cells. The record stores the unique value (VALUE is an integer that represents a particular class or grouping of cells) and the number of cells (COUNT) in the grid represented by that value. A VAT has one record for each unique value in the grid. Learn more about discrete and continuous dataĪttributes for an integer grid are stored in a value attribute table (VAT). Use integer grids to represent discrete data and floating-point grids to represent continuous data. ![]() There are two types of grids: integer and floating point. ![]() A grid is a raster data storage format native to Esri.
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