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For information about abbreviations and formatting used in this table, see<br />
“Formatting Conventions in This Reference” on page 6.<br />
Hatch group codes<br />
Group codes<br />
Description<br />
100 Subclass marker (AcDbHatch)<br />
10 Elevation point (in OCS)<br />
DXF: X value = 0; APP: 3D point (X and Y always equal 0, Z represents<br />
the elevation)<br />
20, 30 DXF: Y and Z values of elevation point (in OCS)<br />
Y value = 0, Z represents the elevation<br />
210 Extrusion direction (optional; default = 0, 0, 1)<br />
DXF: X value; APP: 3D vector<br />
220, 230 DXF: Y and Z values of extrusion direction<br />
2 Hatch pattern name<br />
70 Solid fill flag (solid fill = 1; pattern fill = 0)<br />
71 Associativity flag (associative = 1; non-associative = 0)<br />
91 Number of boundary paths (loops)<br />
varies Boundary path data. Repeats number of times specified by code 91.<br />
See “Boundary Path Data” on page 80<br />
75 Hatch style:<br />
0 = Hatch “odd parity” area (Normal style)<br />
1 = Hatch outermost area only (Outer style)<br />
2 = Hatch through entire area (Ignore style)<br />
76 Hatch pattern type:<br />
0 = User-defined; 1 = Predefined; 2 = Custom<br />
52 Hatch pattern angle (pattern fill only)<br />
41 Hatch pattern scale or spacing (pattern fill only)<br />
77 Hatch pattern double flag (pattern fill only):<br />
0 = not double; 1 = double<br />
78 Number of pattern definition lines<br />
HATCH | 79
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