/// <summary>
/// 创建拉伸体
/// </summary>
public static Extrude Extrude(Snap.NX.Face face, double height)
{
var curves = face.EdgeCurves;
Session theSession = Session.GetSession();
Part workPart = theSession.Parts.Work;
Part displayPart = theSession.Parts.Display;
var normal = face.Normal(face.BoxUV.MinU, face.BoxUV.MinV);
var point = face.Position(face.BoxUV.MinU, face.BoxUV.MinV);
var curveList = new List <NXOpen.Curve>();
curves.ToList().ForEach(u =>
{
curveList.Add(u);
});
//创建拉伸
NXOpen.Features.Feature nullFeatures_Feature = null;
ExtrudeBuilder extrudeBuilder1;
extrudeBuilder1 = workPart.Features.CreateExtrudeBuilder(nullFeatures_Feature);
//方向
extrudeBuilder1.Direction = workPart.Directions.CreateDirection(point, normal, SmartObject.UpdateOption.WithinModeling);
//曲面
Section section1;
section1 = workPart.Sections.CreateSection();
extrudeBuilder1.Section = section1;
var curveDumbRule1 = workPart.ScRuleFactory.CreateRuleCurveDumb(curveList.ToArray());
SelectionIntentRule[] rules1 = new SelectionIntentRule[1];
rules1[0] = curveDumbRule1;
section1.AddToSection(rules1, curves.FirstOrDefault(), null, null, new Point3d(), NXOpen.Section.Mode.Create);
//开始值、结束值
extrudeBuilder1.Limits.StartExtend.Value.Value = 0;
extrudeBuilder1.Limits.EndExtend.Value.Value = height;
Extrude feature1;
feature1 = (Extrude)extrudeBuilder1.CommitFeature();
extrudeBuilder1.Destroy();
return(feature1);
}
/// <summary>
/// 获取所有的电极头部面
/// </summary>
protected static List <Snap.NX.Face> GetElecHeadFaces(List <Snap.NX.Face> faces, Snap.NX.Face baseFace, out List <Snap.NX.Face> sideFaces)
{
var headFaces = new List <Snap.NX.Face>();
var tempSideFaces = new List <Snap.NX.Face>();
if (baseFace != null)
{
//头部面
var allFace = faces.ToList();
var baseFaceBoxUV = baseFace.BoxUV;
var elecBasePos = baseFace.Position((baseFaceBoxUV.MinU + baseFaceBoxUV.MaxU) / 2, (baseFaceBoxUV.MinV + baseFaceBoxUV.MaxV) / 2);
allFace.RemoveAll(u => u.NXOpenTag == baseFace.NXOpenTag);
var faceDirection = baseFace.GetFaceDirection();
var plane = new Snap.Geom.Surface.Plane(elecBasePos, faceDirection);
allFace.ToList().ForEach(u =>
{
try
{
var uv = u.BoxEx();
var cneterPoint = new Snap.Position((uv.MaxX + uv.MinX) / 2, (uv.MaxY + uv.MinY) / 2, (uv.MaxZ + uv.MinZ) / 2);
var resullt = Snap.Compute.ClosestPoints(cneterPoint, plane);
var dir = Snap.Vector.Unit(resullt.Point1 - resullt.Point2);
if (SnapEx.Helper.Equals(dir, faceDirection))
{
headFaces.Add(u);
}
else if (u.ObjectSubType == Snap.NX.ObjectTypes.SubType.FacePlane && SnapEx.Helper.Equals(dir, -faceDirection))
{
tempSideFaces.Add(u);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
});
}
sideFaces = tempSideFaces;
return(headFaces);
}