OakPDT Drawing

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File Format
Name OakPDT Drawing
Ontology

Overview

OakPDT is a 2D parametric CAD system for RISC OS. On RISC OS systems, files in this format typically have a filetype of CAD ("PDT Dwg").

Format details

File Header
0 Byte Major version number of the file format (always 1)
1 Byte Minor version number of the format
  • 2 corresponds to OakPDT v2.50 (17 November 1990)
2 Null-terminated string The_Design_System or Oak_P_D_T_Drawing
20 Integer Number of symbols (s)
24 Array s symbol table entries
(s * 12) + 0
Symbol table entry
0 Byte
1 Byte
2 Byte
3 Byte
4 Integer
8 Integer
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