The updated SPLINEDIT command, available in the AutoCAD 2009 Subscription Bonus Pack 1, includes a new option to convert a Spline to a Polyline. You can launch the SPLINEDIT command from the Subscription: Modify Objects toolbar or using any of the typical methods such as the Modify menu, Modify ribbon panel, or the SPE command alias. Select the spline you want to edit and choose the Convert to Polyline option. You’ll then be prompted to specify a precision for the conversion. Enter any value between 0 and 99. The higher the value, the more accurate the polyline.
In addition to the new Convert to Polyline option in the SPLINEDIT command, you can use the updated PEDIT command to select a Spline object and automatically convert it to a Polyline. After selecting the Spline and confirming that “Yes” you really do want to convert it, you can specify the precision between 0 and 99.
To further control the behavior when converting Splines to Polylines, you can use the new PLINECONVERTMODE variable to specify the fit method. When PLINECONVERTMODE is set to 0, Polylines are created with linear segments. When it’s set to 1 (the default), Polylines are created with arc segments.
Spline Pline Pline
Precision=2 Precision=2
Plineconvertmode=0 Plineconvertmode=1
The DELOBJ variable has been updated to support the PEDIT and SPLINEDIT commands. If you’re not familiar with the DELOBJ variable, it was introduced as a way to control whether geometry used to create 3D objects (profiles, paths, etc) is retained or deleted. It is typically accessed via the 3D Modeling tab of the Options dialog box. When DELOBJ is set to 0, the option to Retain Defining Geometry, the original Spline is retained in addition to the new Pline, which is created. When DELOBJ is set to any other option/value, the original Spline is deleted.
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