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A grid is a geometry object containing a pattern of criss-crossing X and Y lines that form a rectangle. The spacing of these X and Y lines can be regular, irregular, or a combination of both. The definition of grids ensures that there is a unique elevation value stored for every X-Y intersection. This guarantee of uniqueness makes grids suitable for defining surfaces in an SVOFFICE model.




SVOFFICE 2006 and SVOFFICE 2009 use grids as the standard 3D surface type. Newer versions of SVOFFICE also support meshes.