3.2.1.5. Códigos DXF de la Entidad SPLINE


Códigos DXF       Descripción

100             Subclass marker (AcDbSpline)
210 DXF: X value of normal vector
Application: Normal vector
(omitted if the spline is nonplanar)
220,230 DXF only: Y and Z values of normal vector
70 Spline flag (bit coded):
1 = Closed spline,
2 = Periodic spline,
4 = Rational spline,
8 = Planar,
16 = Linear; planar bit is also set
71 Degree of the spline curve
72 Number of knots
73 Number of control points
74 Number of fit points (if any)
42 Fit tolerance (default = 0.0000001)
43 Control-point tolerance (default = 0.0000001)
44 Fit tolerance (if a fit spline)
12 DXF: X value of start tangent
(may be omitted)(in WCS)
Application: Start tangent
22,32 DXF only: Y and Z values of start tangent
(may be omitted)(in WCS)
13 DXF: X value of end tangent
(may be omitted)(in WCS)
Application: End tangent
23,33 DXF only: Y and Z values of end tangent
(may be omitted)(in WCS)
40 Knot value (one entry per knot)
10 DXF: X value of control points (in WCS)
(one entry per control point)
Application: Control points
20,30 DXF only: Y and Z values of control points
(in WCS) (one entry per control point)
41 Weight (if not 1); with multiple group pairs,
will be present if all are not 1
11 DXF: X value of fit points
(in WCS) (one entry per fit point)
Application: Fit points
21, 31 DXF only: Y and Z values of fit points
(in WCS) (one entry per fit point)