![]() ![]() Following this keyword is the name of the file and a header of generic information. ASCII File Overview PCAD_ASCII is the top-level keyword for P-CAD ASCII files. (PCB) or (SCH) following a production name indicates that a production is specific to P-CAD PCB or P-CAD Schematic, respectively. A list of items enclosed within ( parentheses ) and separated by vertical bars indicates that one and only one of the items may be present. A construct which is enclosed in may be repeated zero or more times. A construct which is enclosed in is optional. Characters that appear within single quotes make up a literal string which appears directly in the file. ![]() It uses the following conventions: A production is of the form nonterminal ::= itemlist where itemlist is a list of terminals and nonterminals. Document Syntax Conventions This document uses a modified BNF (Backus-Naur Form) syntax to describe the P-CAD ASCII fileformat. This format provides an interface for third-party applications, and represents P-CAD PCB designs, Schematic designs, and P-CAD libraries. Because it is keywordoriented, design files are easy to read, and not position-oriented. P-CAD ASCII is a keyword-oriented structured language which represents a complete electrical design in a human-readable and fully documented machine-readable format. This is the P-CAD ASCII Reference Manual. 1 Version 7.5 ASCII.doc P-CAD ASCII Reference Manual Version Copyright Altium, Inc. ![]()
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