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NX二次开发-NXOPEN C#方式创建草图,添加约束,标注尺寸

作者:互联网

NX9+VS2012

using System;
using NXOpen;
using NXOpen.UF;
using NXOpenUI;
using NXOpen.Utilities;


public class Program
{
    // class members
    private static Session theSession;
    private static Part workPart;
    private static UI theUI;
    private static UFSession theUfSession;
    public static Program theProgram;
    public static bool isDisposeCalled;

    //------------------------------------------------------------------------------
    // Constructor
    //------------------------------------------------------------------------------
    public Program()
    {
        try
        {
            theSession = Session.GetSession();
            workPart = theSession.Parts.Work;
            theUI = UI.GetUI();
            theUfSession = UFSession.GetUFSession();
            isDisposeCalled = false;
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----
            // UI.GetUI().NXMessageBox.Show("Message", NXMessageBox.DialogType.Error, ex.Message);
        }
    }

    //------------------------------------------------------------------------------
    //  Explicit Activation
    //      This entry point is used to activate the application explicitly
    //------------------------------------------------------------------------------
    public static int Main(string[] args)
    {
        int retValue = 0;
        try
        {
            theProgram = new Program();

            //TODO: Add your application code here 

            //在任务环境中绘制草图,不加就是直接草图
            theSession.BeginTaskEnvironment();

            NXOpen.Sketch nullNXOpen_Sketch = null;
            //按平面方式创建草图
            NXOpen.SketchInPlaceBuilder sketchInPlaceBuilder1;
            sketchInPlaceBuilder1 = workPart.Sketches.CreateNewSketchInPlaceBuilder(nullNXOpen_Sketch);

            //设置平面选项
            sketchInPlaceBuilder1.PlaneOption = NXOpen.Sketch.PlaneOption.NewPlane;

            //创建平面(Z平面)
            sketchInPlaceBuilder1.Plane.SetMethod(NXOpen.PlaneTypes.MethodType.Fixed);
 
            //连续自动标注尺寸
            theSession.Preferences.Sketch.ContinuousAutoDimensioning = false;

            //生成
            NXOpen.NXObject nXObject1;
            nXObject1 = sketchInPlaceBuilder1.Commit();

            //设置对象属性的名字
            nXObject1.SetName("AAAA");

            //转换成Feature
            NXOpen.Sketch sketch1 = (NXOpen.Sketch)nXObject1;
            NXOpen.Features.Feature feature1;
            feature1 = sketch1.Feature;

            //设置草图特征的名字
            feature1.SetName("BBB");

            //销毁
            sketchInPlaceBuilder1.Destroy();

            //退出任务环境草图,不加就是直接草图
            theSession.EndTaskEnvironment();

            //激活草图
            sketch1.Activate(NXOpen.Sketch.ViewReorient.True);//参数是否将视图定向到草图

            //创建四条直线(做矩形)
            Point3d startPoint1 = new Point3d(0, 0, 0);
            Point3d endPoint1 = new Point3d(100, 0, 0);
            Line line1 = workPart.Curves.CreateLine(startPoint1, endPoint1);

            Point3d startPoint2 = new Point3d(100, 0, 0);
            Point3d endPoint2 = new Point3d(100, -100, 0);
            Line line2 = workPart.Curves.CreateLine(startPoint2, endPoint2);

            Point3d startPoint3 = new Point3d(100, -100, 0);
            Point3d endPoint3 = new Point3d(0, -100, 0);
            Line line3 = workPart.Curves.CreateLine(startPoint3, endPoint3);

            Point3d startPoint4 = new Point3d(0, -100, 0);
            Point3d endPoint4 = new Point3d(0, 0, 0);
            Line line4 = workPart.Curves.CreateLine(startPoint4, endPoint4);

            //添加到草图里
            sketch1.AddGeometry(line1, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);//参数二,自动推断出约束
            sketch1.AddGeometry(line2, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);
            sketch1.AddGeometry(line3, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);
            sketch1.AddGeometry(line4, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);

            //1.由创建几何约束方法使用,以指示约束应该应用于什么几何
            Sketch.ConstraintGeometry geom_line1;
            geom_line1.Geometry = line1;//几何对象
            geom_line1.PointType = Sketch.ConstraintPointType.None;//点的类型
            geom_line1.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint
            //创建一个水平约束
            sketch1.CreateHorizontalConstraint(geom_line1);

            //2.
            Sketch.ConstraintGeometry geom_line2;
            geom_line2.Geometry = line2;
            geom_line2.PointType = Sketch.ConstraintPointType.None;
            geom_line2.SplineDefiningPointIndex = 0;
            //创建一个垂直约束
            sketch1.CreateVerticalConstraint(geom_line2);

            //3.
            Sketch.ConstraintGeometry geom_line3;
            geom_line3.Geometry = line3;
            geom_line3.PointType = Sketch.ConstraintPointType.None;
            geom_line3.SplineDefiningPointIndex = 0;
            //创建一个水平约束
            sketch1.CreateHorizontalConstraint(geom_line3);

            //4.
            Sketch.ConstraintGeometry geom_line4;
            geom_line4.Geometry = line4;
            geom_line4.PointType = Sketch.ConstraintPointType.None;
            geom_line4.SplineDefiningPointIndex = 0;
            //创建一个垂直约束
            sketch1.CreateVerticalConstraint(geom_line4);

            //1.
            Sketch.ConstraintGeometry geom_line1_startPoint;
            geom_line1_startPoint.Geometry = line1;//几何对象(直线)
            geom_line1_startPoint.PointType = Sketch.ConstraintPointType.StartVertex;//通过这条线找到它的起始端点
            geom_line1_startPoint.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint

            //得到草图原点坐标
            Point3d SketchOri = sketch1.Origin;

            //创建一个点
            Point OriPoint = workPart.Points.CreatePoint(SketchOri);

            //2.
            Sketch.ConstraintGeometry geom_OriPoint;
            geom_OriPoint.Geometry = OriPoint;//几何对象(点)
            geom_OriPoint.PointType = Sketch.ConstraintPointType.None;//点的类型为空
            geom_OriPoint.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint

            //创建点到点约束
            sketch1.CreateCoincidentConstraint(geom_line1_startPoint, geom_OriPoint);

            //标注尺寸约束(直线1)
            NXOpen.NXObject nullNXOpen_NXObject = null;
            Sketch.DimensionGeometry dimLine1_startPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine1_startPoint.Geometry = line1;
            dimLine1_startPoint.AssocType = Sketch.AssocType.StartPoint;//起点
            dimLine1_startPoint.AssocValue = 0;
            dimLine1_startPoint.HelpPoint.X = 0.0;
            dimLine1_startPoint.HelpPoint.Y = 0.0;
            dimLine1_startPoint.HelpPoint.Z = 0.0;
            dimLine1_startPoint.View = nullNXOpen_NXObject;

            Sketch.DimensionGeometry dimLine1_endPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine1_endPoint.Geometry = line1;
            dimLine1_endPoint.AssocType = Sketch.AssocType.EndPoint;//终点
            dimLine1_endPoint.AssocValue = 0;
            dimLine1_endPoint.HelpPoint.X = 0.0;
            dimLine1_endPoint.HelpPoint.Y = 0.0;
            dimLine1_endPoint.HelpPoint.Z = 0.0;
            dimLine1_endPoint.View = nullNXOpen_NXObject;

            Point3d dimOri1 = new Point3d(100, 15, 0);//尺寸位置放置的点
            Expression dimExp1 = workPart.Expressions.CreateSystemExpression("A1=200");//创建表达式
            sketch1.CreateDimension(NXOpen.Sketch.ConstraintType.ParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOri1, dimExp1, NXOpen.Sketch.DimensionOption.CreateAsDriving);


            //标注尺寸约束(直线2)
            Sketch.DimensionGeometry dimLine2_startPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine2_startPoint.Geometry = line2;
            dimLine2_startPoint.AssocType = Sketch.AssocType.StartPoint;//起点
            dimLine2_startPoint.AssocValue = 0;
            dimLine2_startPoint.HelpPoint.X = 0.0;
            dimLine2_startPoint.HelpPoint.Y = 0.0;
            dimLine2_startPoint.HelpPoint.Z = 0.0;
            dimLine2_startPoint.View = nullNXOpen_NXObject;

            Sketch.DimensionGeometry dimLine2_endPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine2_endPoint.Geometry = line2;
            dimLine2_endPoint.AssocType = Sketch.AssocType.EndPoint;//终点
            dimLine2_endPoint.AssocValue = 0;
            dimLine2_endPoint.HelpPoint.X = 0.0;
            dimLine2_endPoint.HelpPoint.Y = 0.0;
            dimLine2_endPoint.HelpPoint.Z = 0.0;
            dimLine2_endPoint.View = nullNXOpen_NXObject;

            Point3d dimOri2 = new Point3d(210, -100, 0);//尺寸位置放置的点
            Expression dimExp2 = workPart.Expressions.CreateSystemExpression("A2=200");//创建表达式
            sketch1.CreateDimension(NXOpen.Sketch.ConstraintType.ParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOri2, dimExp2, NXOpen.Sketch.DimensionOption.CreateAsDriving);

            //完成草图
            theSession.ActiveSketch.Deactivate(NXOpen.Sketch.ViewReorient.True, NXOpen.Sketch.UpdateLevel.Model);

            theProgram.Dispose();
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----

        }
        return retValue;
    }

    //------------------------------------------------------------------------------
    // Following method disposes all the class members
    //------------------------------------------------------------------------------
    public void Dispose()
    {
        try
        {
            if (isDisposeCalled == false)
            {
                //TODO: Add your application code here 
            }
            isDisposeCalled = true;
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----

        }
    }

    public static int GetUnloadOption(string arg)
    {
        //Unloads the image explicitly, via an unload dialog
        //return System.Convert.ToInt32(Session.LibraryUnloadOption.Explicitly);

        //Unloads the image immediately after execution within NX
        return System.Convert.ToInt32(Session.LibraryUnloadOption.Immediately);

        //Unloads the image when the NX session terminates
        // return System.Convert.ToInt32(Session.LibraryUnloadOption.AtTermination);
    }

}


Caesar卢尚宇
2020年8月16日

两个版本没有太大变化,个别的旧方法NX11废弃了,要用新的方法

NX11+VS2013

using System;
using NXOpen;
using NXOpen.UF;
using NXOpenUI;
using NXOpen.Utilities;


public class Program
{
    // class members
    private static Session theSession;
    private static Part workPart;
    private static UI theUI;
    private static UFSession theUfSession;
    public static Program theProgram;
    public static bool isDisposeCalled;

    //------------------------------------------------------------------------------
    // Constructor
    //------------------------------------------------------------------------------
    public Program()
    {
        try
        {
            theSession = Session.GetSession();
            workPart = theSession.Parts.Work;
            theUI = UI.GetUI();
            theUfSession = UFSession.GetUFSession();
            isDisposeCalled = false;
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----
            // UI.GetUI().NXMessageBox.Show("Message", NXMessageBox.DialogType.Error, ex.Message);
        }
    }

    //------------------------------------------------------------------------------
    //  Explicit Activation
    //      This entry point is used to activate the application explicitly
    //------------------------------------------------------------------------------
    public static int Main(string[] args)
    {
        int retValue = 0;
        try
        {
            theProgram = new Program();

            //TODO: Add your application code here 

            //在任务环境中绘制草图,不加就是直接草图
            theSession.BeginTaskEnvironment();

            NXOpen.Sketch nullNXOpen_Sketch = null;
            //按平面方式创建草图
            NXOpen.SketchInPlaceBuilder sketchInPlaceBuilder1;
            sketchInPlaceBuilder1 = workPart.Sketches.CreateSketchInPlaceBuilder2(nullNXOpen_Sketch);

            //设置平面选项
            sketchInPlaceBuilder1.PlaneOption = NXOpen.Sketch.PlaneOption.NewPlane;

            //创建平面(Z平面)
            NXOpen.Point3d origin1 = new NXOpen.Point3d(0.0, 0.0, 0.0);
            NXOpen.Vector3d normal1 = new NXOpen.Vector3d(0.0, 0.0, 1.0);
            NXOpen.Plane plane1;
            plane1 = workPart.Planes.CreatePlane(origin1, normal1, NXOpen.SmartObject.UpdateOption.WithinModeling);

            sketchInPlaceBuilder1.PlaneReference = plane1;
            plane1.SetMethod(NXOpen.PlaneTypes.MethodType.Fixed);

            //连续自动标注尺寸
            theSession.Preferences.Sketch.ContinuousAutoDimensioning = false;

            //生成
            NXOpen.NXObject nXObject1;
            nXObject1 = sketchInPlaceBuilder1.Commit();

            //设置对象属性的名字
            nXObject1.SetName("这是对象属性的名字");

            //转换成Feature
            NXOpen.Sketch sketch1 = (NXOpen.Sketch)nXObject1;
            NXOpen.Features.Feature feature1;
            feature1 = sketch1.Feature;

            //设置草图特征的名字
            feature1.SetName("这是草图特征的名字");

            //销毁
            sketchInPlaceBuilder1.Destroy();

            //退出任务环境草图,不加就是直接草图
            theSession.EndTaskEnvironment();

            //激活草图
            sketch1.Activate(NXOpen.Sketch.ViewReorient.True);//参数是否将视图定向到草图

            //创建四条直线(做矩形)
            Point3d startPoint1 = new Point3d(0, 0, 0);
            Point3d endPoint1 = new Point3d(100, 0, 0);
            Line line1 = workPart.Curves.CreateLine(startPoint1, endPoint1);
      
            Point3d startPoint2 = new Point3d(100, 0, 0);
            Point3d endPoint2 = new Point3d(100, -100, 0);
            Line line2 = workPart.Curves.CreateLine(startPoint2, endPoint2);

            Point3d startPoint3 = new Point3d(100, -100, 0);
            Point3d endPoint3 = new Point3d(0, -100, 0);
            Line line3 = workPart.Curves.CreateLine(startPoint3, endPoint3);

            Point3d startPoint4 = new Point3d(0, -100, 0);
            Point3d endPoint4 = new Point3d(0, 0, 0);
            Line line4 = workPart.Curves.CreateLine(startPoint4, endPoint4);

            //添加到草图里
            sketch1.AddGeometry(line1, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);//参数二,自动推断出约束
            sketch1.AddGeometry(line2, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);
            sketch1.AddGeometry(line3, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);
            sketch1.AddGeometry(line4, NXOpen.Sketch.InferConstraintsOption.InferCoincidentConstraints);

            //1.由创建几何约束方法使用,以指示约束应该应用于什么几何
            Sketch.ConstraintGeometry geom_line1;
            geom_line1.Geometry = line1;//几何对象
            geom_line1.PointType = Sketch.ConstraintPointType.None;//点的类型
            geom_line1.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint
            //创建一个水平约束
            sketch1.CreateHorizontalConstraint(geom_line1);

            //2.
            Sketch.ConstraintGeometry geom_line2;
            geom_line2.Geometry = line2;
            geom_line2.PointType = Sketch.ConstraintPointType.None;
            geom_line2.SplineDefiningPointIndex = 0;
            //创建一个垂直约束
            sketch1.CreateVerticalConstraint(geom_line2);

            //3.
            Sketch.ConstraintGeometry geom_line3;
            geom_line3.Geometry = line3;
            geom_line3.PointType = Sketch.ConstraintPointType.None;
            geom_line3.SplineDefiningPointIndex = 0;
            //创建一个水平约束
            sketch1.CreateHorizontalConstraint(geom_line3);

            //4.
            Sketch.ConstraintGeometry geom_line4;
            geom_line4.Geometry = line4;
            geom_line4.PointType = Sketch.ConstraintPointType.None;
            geom_line4.SplineDefiningPointIndex = 0;
            //创建一个垂直约束
            sketch1.CreateVerticalConstraint(geom_line4);

            //1.
            Sketch.ConstraintGeometry geom_line1_startPoint;
            geom_line1_startPoint.Geometry = line1;//几何对象(直线)
            geom_line1_startPoint.PointType = Sketch.ConstraintPointType.StartVertex;//通过这条线找到它的起始端点
            geom_line1_startPoint.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint

            //得到草图原点坐标
            Point3d SketchOri = sketch1.Origin;

            //创建一个点
            Point OriPoint = workPart.Points.CreatePoint(SketchOri);

            //2.
            Sketch.ConstraintGeometry geom_OriPoint;
            geom_OriPoint.Geometry = OriPoint;//几何对象(点)
            geom_OriPoint.PointType = Sketch.ConstraintPointType.None;//点的类型为空
            geom_OriPoint.SplineDefiningPointIndex = 0;//忽略,除非点类型是SplineDefiningPoint

            //创建点到点约束
            sketch1.CreateCoincidentConstraint(geom_line1_startPoint, geom_OriPoint);

            //标注尺寸约束(直线1)
            NXOpen.NXObject nullNXOpen_NXObject = null;
            Sketch.DimensionGeometry dimLine1_startPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine1_startPoint.Geometry = line1;
            dimLine1_startPoint.AssocType = Sketch.AssocType.StartPoint;//起点
            dimLine1_startPoint.AssocValue = 0;
            dimLine1_startPoint.HelpPoint.X = 0.0;
            dimLine1_startPoint.HelpPoint.Y = 0.0;
            dimLine1_startPoint.HelpPoint.Z = 0.0;
            dimLine1_startPoint.View = nullNXOpen_NXObject;

            Sketch.DimensionGeometry dimLine1_endPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine1_endPoint.Geometry = line1;
            dimLine1_endPoint.AssocType = Sketch.AssocType.EndPoint;//终点
            dimLine1_endPoint.AssocValue = 0;
            dimLine1_endPoint.HelpPoint.X = 0.0;
            dimLine1_endPoint.HelpPoint.Y = 0.0;
            dimLine1_endPoint.HelpPoint.Z = 0.0;
            dimLine1_endPoint.View = nullNXOpen_NXObject;

            Point3d dimOri1 = new Point3d(100, 15, 0);//尺寸位置放置的点
            Expression dimExp1 = workPart.Expressions.CreateSystemExpression("A1=200");//创建表达式
            sketch1.CreateDimension(NXOpen.Sketch.ConstraintType.ParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOri1, dimExp1, NXOpen.Sketch.DimensionOption.CreateAsDriving);


            //标注尺寸约束(直线2)
            Sketch.DimensionGeometry dimLine2_startPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine2_startPoint.Geometry = line2;
            dimLine2_startPoint.AssocType = Sketch.AssocType.StartPoint;//起点
            dimLine2_startPoint.AssocValue = 0;
            dimLine2_startPoint.HelpPoint.X = 0.0;
            dimLine2_startPoint.HelpPoint.Y = 0.0;
            dimLine2_startPoint.HelpPoint.Z = 0.0;
            dimLine2_startPoint.View = nullNXOpen_NXObject;

            Sketch.DimensionGeometry dimLine2_endPoint = new NXOpen.Sketch.DimensionGeometry();
            dimLine2_endPoint.Geometry = line2;
            dimLine2_endPoint.AssocType = Sketch.AssocType.EndPoint;//终点
            dimLine2_endPoint.AssocValue = 0;
            dimLine2_endPoint.HelpPoint.X = 0.0;
            dimLine2_endPoint.HelpPoint.Y = 0.0;
            dimLine2_endPoint.HelpPoint.Z = 0.0;
            dimLine2_endPoint.View = nullNXOpen_NXObject;

            Point3d dimOri2 = new Point3d(210, -100, 0);//尺寸位置放置的点
            Expression dimExp2 = workPart.Expressions.CreateSystemExpression("A2=200");//创建表达式
            sketch1.CreateDimension(NXOpen.Sketch.ConstraintType.ParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOri2, dimExp2, NXOpen.Sketch.DimensionOption.CreateAsDriving);

            //完成草图
            theSession.ActiveSketch.Deactivate(NXOpen.Sketch.ViewReorient.True, NXOpen.Sketch.UpdateLevel.Model);

            theProgram.Dispose();
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----

        }
        return retValue;
    }

    //------------------------------------------------------------------------------
    // Following method disposes all the class members
    //------------------------------------------------------------------------------
    public void Dispose()
    {
        try
        {
            if (isDisposeCalled == false)
            {
                //TODO: Add your application code here 
            }
            isDisposeCalled = true;
        }
        catch (NXOpen.NXException ex)
        {
            // ---- Enter your exception handling code here -----

        }
    }

    public static int GetUnloadOption(string arg)
    {
        //Unloads the image explicitly, via an unload dialog
        //return System.Convert.ToInt32(Session.LibraryUnloadOption.Explicitly);

        //Unloads the image immediately after execution within NX
        return System.Convert.ToInt32(Session.LibraryUnloadOption.Immediately);

        //Unloads the image when the NX session terminates
        // return System.Convert.ToInt32(Session.LibraryUnloadOption.AtTermination);
    }

}


Caesar卢尚宇
2020年8月16日

标签:Sketch,endPoint,C#,Point3d,NX,geom,二次开发,NXOpen,startPoint
来源: https://www.cnblogs.com/nxopen2018/p/13513819.html