ExtractControlPolygon

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Mesh Creation SubD Sidebar	Mesh From NURBS Control Polygon

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From NURBS Control Polygon

The ExtractControlPolygon command fits a polyline through the control points of a curve or a polygon mesh through the control points of a surface.

Select curves or surfaces.
This creates polylines and/or meshes that have vertices at the original objects' control points.

Supported input
Curves, Polycurves, Surfaces SubDs

Command-line options
OutputLayer	Specifies the layer for the results of the command. Current Places the results on the current layer. Input Places the results on the same layer as the input curve. Note: If the input object is in a model that is attached using Worksession, the object will be placed on the current layer. TargetObject Places the results on the same layer as the target surface.
SubCrv	Type subcrv to select part of a curve as input.

Command-line options

OutputLayer

Specifies the layer for the results of the command.

Places the results on the current layer.

Places the results on the same layer as the input curve.

Note: If the input object is in a model that is attached using Worksession, the object will be placed on the current layer.

Places the results on the same layer as the target surface.

Type subcrv to select part of a curve as input.

The ExtractControlPolygon command is useful if you want to extract control polygons as objects.
It is possible to use the ExtractControlPolygon command to create polygon data that you can export and manipulate in a program that handles mesh smoothing.

See also