Creates a specific GridOrigin object from the String value, either "lowerLeft" or "upperLeft"
Creates a specific GridOrigin object from the String value, either "lowerLeft" or "upperLeft"
the name of the GridOrigin to construct
a GridOrigin object or null if the value parameter is not a correct GridOrigin name or is null
Specifies where to begin numbering the tiles in each layer of the pyramid. A value of lowerLeft specifies that row 1, column 1 of each layer is in the bottom left corner of the grid.