Chapter 1 — Introduction to DXF and CAD Data
A DXF file is divided into sections that organize different types of data. Common sections include HEADER, TABLES, BLOCKS, ENTITIES, and OBJECTS. Each section begins with SECTION and ends with ENDSEC, allowing CAD programs to read the file systematically.
Example: ENTITIES section
0
SECTION
2
ENTITIES
0
ENDSECThe ENTITIES section contains the geometric objects that form the drawing.