Conventions

To make the grid input format easier to understand, we have used some simple notation in this document. The following section describes our notational conventions that will be used throughout this document. 

Brackets [] are used as place holders for variables. The brackets should not appear in the input file. Rather the value described inside or the brackets should appear.For example:

DIMENSIONS [Rows] [Columns] ==> DIMENSIONS 10 20

LAYER_[N] ==> LAYER_5 


Braces {} are not like brackets. They are used to denote a set of elements and must appear in the input file. The elements that belong to a set must be separated by whitespaces only. Commas are not used! Sets may contain only a single element.For example:

SETEQUAL {Layers} [Layer] ==> SETEQUAL {LAYER_0 LAYER_4} LAYER_7 


Comments are allowed in the input format. The escape character is #. Single line comments start at the # and end with the newline character. Multi-line comments must have a # for each line. 


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