如何查找一个部件对应的occurrence的面

小新

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录制装配过程的JA，经过对录制的代码进行简化删减后，如下，经编译后能够实现自动化装配。

1. Session *theSession = Session::GetSession();
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2.     Part *workPart(theSession->Parts()->Work());
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3.     Part *displayPart(theSession->Parts()->Display());
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4.             
   
5.     BasePart *basePart1;
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6.     PartLoadStatus *partLoadStatus1;
   
7.     basePart1 = theSession->Parts()->OpenBase("D:\\sy\\model4.prt", &partLoadStatus1);
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8.     delete partLoadStatus1;
   
9.    
   
10.     Point3d basePoint1(0.0, 0.0, 0.0);
    
11.     Matrix3x3 orientation1;
    
12.     orientation1.Xx = 1.0;    orientation1.Xy = 0.0;    orientation1.Xz = 0.0;
    
13.     orientation1.Yx = 0.0;    orientation1.Yy = 1.0;    orientation1.Yz = 0.0;
    
14.     orientation1.Zx = 0.0;    orientation1.Zy = 0.0;    orientation1.Zz = 1.0;
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15.     PartLoadStatus *partLoadStatus2;
    
16.     Assemblies::Component *component1;
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17.     component1 = workPart->ComponentAssembly()->AddComponent("D:\\sy\\model4.prt", "MODEL", "MODEL4", basePoint1, orientation1, -1, &partLoadStatus2, true);//添加组件
    
18.    delete partLoadStatus2;  
    
19.    
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20.     BasePart *basePart2;
    
21.     PartLoadStatus *partLoadStatus3;
    
22.     basePart2 = theSession->Parts()->OpenBase("D:\\sy\\model5.prt", &partLoadStatus3);   
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23.     delete partLoadStatus3;   
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24.    
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25.     Point3d basePoint2(0.0, 0.0, 0.0);
    
26.     Matrix3x3 orientation2;
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27.     orientation2.Xx = 1.0;    orientation2.Xy = 0.0;    orientation2.Xz = 0.0;
    
28.     orientation2.Yx = 0.0;    orientation2.Yy = 1.0;    orientation2.Yz = 0.0;
    
29.     orientation2.Zx = 0.0;    orientation2.Zy = 0.0;    orientation2.Zz = 1.0;
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30.     PartLoadStatus *partLoadStatus4;
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31.     Assemblies::Component *component2;
    
32.     component2 = workPart->ComponentAssembly()->AddComponent("D:\\sy\\model5.prt", "MODEL", "MODEL5", basePoint2, orientation2, -1, &partLoadStatus4, true);//添加组件
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33.    delete partLoadStatus4;  
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34.    
    
35.     Positioning::ComponentPositioner *componentPositioner1;
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36.     componentPositioner1 = workPart->ComponentAssembly()->Positioner();     
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37.     componentPositioner1->BeginAssemblyConstraints();      
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38.    
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39.     Positioning::Network *network1;
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40.     network1 = componentPositioner1->EstablishNetwork();   
    
41.     Positioning::ComponentNetwork *componentNetwork1(dynamic_cast<Positioning::ComponentNetwork *>(network1));
    
42.     componentNetwork1->SetMoveObjectsState(true);              
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43.    
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44.     Positioning::Constraint *constraint1;
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45.     constraint1 = componentPositioner1->CreateConstraint(true);
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46.    
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47.     Positioning::ComponenTConstraint *componentConstraint1(dynamic_cast<Positioning::ComponentConstraint *>(constraint1));
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48.     componentConstraint1->SetConstraintAlignment(Positioning::Constraint::AlignmentContraAlign);   
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49.     componentConstraint1->SetConstraintType(Positioning::Constraint::TypeTouch);
    
50.    
    
51.     Face *face1(dynamic_cast<Face *>(component2->FindObject("PROTO#.Features|BLOCK(1)|FACE 6 {(500,25,25) BLOCK(1)}")));        
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52.     Positioning::ConstraintReference *constraintReference1;

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但是出现了一个问题，在上述代码中，进行装配的面是通过FindObject来找到的，不是我想要的那个面，而且FindObject函数参数是一个JA标识符，我无法给某个面定义JA标示符。如果我在建立模型时，我给某个面命名为FACE1。那么我如何找到我想要的面FACE1，然后用于代码

1. constraintReference1 = componentConstraint1->CreateConstraintReference(component2, face1, false, false, false);

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其中上述代码中第二参数类型是NXObject *，也无法通过Ufun函数的UF_OBJ_cycle_by_name找到，因为该函数找到是FACE1面的tag，返回的类型不是NXObject *。
问题:
" S! T( u  c/ Z9 T8 E& O. ?1)C++中是否有某个方法通过某个对象的tag返回其NXObject *类型
2）C++是否有某个类中的方法可以找到occurrence中的面（CreateConstraintReference需要的是occurrence的对象），而且返回的是NXObject *类型对象，可以直接用于CreateConstraintReference（）方法。

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admin

tag 可以通过 NXObjectManager 返回 NXobject
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