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POLY record

A POLY record can appear after a LAYER record has been issued. The POLY record defines a polygon object.

The header flags byte is not used.

The POLY record contains the following fields:

bytes field name purpose
? xy coordinate pairs, path must be closed

Coordinates use four-byte integers. The first and last coordinate pair (x-y values) must be the same. There must be at least four coordinate pairs.

Stephen R. Whiteley 2022-05-28