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Spline group codes (continued)<br />
Group codes<br />
Description<br />
72 Number of knots<br />
73 Number of control points<br />
74 Number of fit points (if any)<br />
42 Knot tolerance (default = 0.0000001)<br />
43 Control-point tolerance (default = 0.0000001)<br />
44 Fit tolerance (default = 0.0000000001)<br />
12 Start tangent—may be omitted (in WCS)<br />
DXF: X value; APP: 3D point<br />
22, 32 DXF: Y and Z values of start tangent—may be omitted (in WCS)<br />
13 End tangent—may be omitted (in WCS)<br />
DXF: X value; APP: 3D point<br />
23, 33 DXF: Y and Z values of end tangent—may be omitted (in WCS)<br />
40 Knot value (one entry per knot)<br />
41 Weight (if not 1); with multiple group pairs, are present if all are not 1<br />
10 Control points (in WCS), one entry per control point<br />
DXF: X value; APP: 3D point<br />
20, 30 DXF: Y and Z values of control points (in WCS), one entry per control<br />
point<br />
11 Fit points (in WCS), one entry per fit point<br />
DXF: X value; APP: 3D point<br />
21, 31 DXF: Y and Z values of fit points (in WCS), one entry per fit point<br />
TEXT<br />
The following group codes apply to text entities. In addition to the group<br />
codes described here, see “Common Group Codes for Entities” on page 60.<br />
TEXT | 103
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