/// <summary>
/// 创建单边偏置的拉伸
/// </summary>
/// <param name="features"></param>
/// <param name="curves"></param>
/// <param name="extrudeDirection"></param>
/// <param name="startDistance"></param>
/// <param name="endDistance"></param>
/// <param name="bodyStyle"></param>
/// <param name="offsetValue"></param>
/// <returns></returns>
public static Extrude CreateExtrude(this FeatureCollection features, IBaseCurve[] curves, Vector3d extrudeDirection, double startDistance, double endDistance, NXOpen.GeometricUtilities.FeatureOptions.BodyStyle bodyStyle, double offsetValue)
{
NXOpen.Features.ExtrudeBuilder extrudeBuilder = features.CreateExtrudeBuilder(null);
Section section1 = WorkPart.Sections.CreateSection(0.0095, 0.01, 0.5);
extrudeBuilder.Section = section1;
extrudeBuilder.AllowSelfIntersectingSection(true);
extrudeBuilder.BooleanOperation.Type = NXOpen.GeometricUtilities.BooleanOperation.BooleanType.Create;
extrudeBuilder.Offset.Option = NXOpen.GeometricUtilities.Type.SingleOffset;
extrudeBuilder.Offset.EndOffset.Value = offsetValue;
extrudeBuilder.Draft.DraftOption = NXOpen.GeometricUtilities.SimpleDraft.SimpleDraftType.NoDraft;
extrudeBuilder.FeatureOptions.BodyType = bodyStyle;
section1.DistanceTolerance = 0.01;
section1.ChainingTolerance = 0.0095;
section1.SetAllowedEntityTypes(NXOpen.Section.AllowTypes.OnlyCurves);
extrudeBuilder.Direction = WorkPart.Directions.CreateDirection(new Point3d(0.0, 0.0, 0.0), extrudeDirection, NXOpen.SmartObject.UpdateOption.WithinModeling);
#if NX12
CurveDumbRule curveDumbRule = (WorkPart as BasePart).ScRuleFactory.CreateRuleBaseCurveDumb(curves);
#else
CurveDumbRule curveDumbRule = WorkPart.ScRuleFactory.CreateRuleBaseCurveDumb(curves);
#endif
section1.AllowSelfIntersection(true);
SelectionIntentRule[] rules1 = new SelectionIntentRule[1] {
curveDumbRule
};
section1.AddToSection(rules1, (NXObject)curves[0], null, null, new Point3d(0, 0, 0), NXOpen.Section.Mode.Create, false);
extrudeBuilder.Limits.StartExtend.TrimType = NXOpen.GeometricUtilities.Extend.ExtendType.Value;
extrudeBuilder.Limits.EndExtend.TrimType = NXOpen.GeometricUtilities.Extend.ExtendType.Value;
extrudeBuilder.Limits.EndExtend.Value.RightHandSide = endDistance.ToString();
extrudeBuilder.Limits.StartExtend.Value.RightHandSide = startDistance.ToString();
extrudeBuilder.ParentFeatureInternal = false;
Extrude extrude = (Extrude)extrudeBuilder.CommitFeature();
extrudeBuilder.Destroy();
return(extrude);
}