CATIA二次开发入门教程---15 通过点击屏幕创建点

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CATIA二次开发入门教程---15 通过点击屏幕创建点
( u6 O8 @8 O. s( l  ?; C) }通过点击屏幕，自动创建点， 这里直接建立了一个简单的对话框，通过pushbutton来添加一个回掉函数，函数里面去执行创建点的类。

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void DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
{
) P0 g/ k% I1 r% Q7 Q' L  // Add your code here
      CreatePointCmd *createPoint = new CreatePointCmd();
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! o0 u4 F7 T. u# a& I& C% \9 I/ A新建一个catia 的命令，名称为 CreatePointCmd ，接下来要做的就是在 action one 里面进行点的创建，代码如下：
& N6 @8 }% ]0 j1 v  @
# G0 b  ?6 ]( W% F' H: @CATBoolean CreatePointCmd::ActionOne( void *data )
{
  // TODO: Define the action associated with the transition
9 V. B: M: A5 @/ l+ P  H% H  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
CATMathPlane plane = _Indication->GetMathPlane();
CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);
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cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
   
  //设置Container(非根节点)
2 z6 W( H/ P; v  o/ b; j  //获得Editor
7 E  V* E. x$ n  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
7 P9 k' Y& c5 l; X; W  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
  //取得当前活动对象
9 K6 e" t8 T0 G, h2 q% H7 O  CATPathElement activePath = pEditor->GetUIActiveObject();
% |# ]2 M: ?' o1 z4 N( F: w  //取得当前活动的product
# I1 z+ X% l) o- V  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
2 I# \9 j2 K6 }+ ?: G$ b# k  //当前活动对象不存在
  if (pActiveProduct == NULL)
  {
- F# v7 v, L. U- M! s    pDocument = pEditor->GetDocument();
  }
( o7 U& d( ^  C4 H, D2 ]  L  else
  {
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
% u5 J$ u, M- W& V) x+ J    //当前对象的引用对象是否存在
    if ( NULL_var == spRef )
: F$ J# H& ]# J, e2 f3 Y    {
, H  p* L: o: c& u0 q( H: b: G      return FALSE;
    }
% f# n. Q* R. N4 K  x! f* B    //当前对象的链接对象
    CATILinkableObject * piLinkableObject = NULL;
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
    if ( FAILED(rc) )
+ P2 @8 z; A0 u- g1 S, R    {
+ A- {& I9 u) F( t1 j5 k* M      piLinkableObject->Release();
; e+ x0 q# ~+ N, t" o" ]# y      piLinkableObject = NULL ;
      return FALSE;
$ B9 h/ m& G$ w# j& D4 J* C% U6 q4 j    }
; B5 y# d3 {/ x; V) r9 Q    //得到当前对象的文档
    pDocument = piLinkableObject->GetDocument();
/ r) ~2 R& v9 F1 b    piLinkableObject->Release();
    piLinkableObject = NULL ;
9 `$ l% w: w4 z2 g# r4 p    if ( NULL == pDocument)
- V' T" [( m1 T% b    {
$ X# u" r: q  r' W      return FALSE;
    }
  }
; K2 m6 v5 k- J5 \/ J: r. O  //得到文档容器集
3 J8 U) g0 z0 y" y/ l  CATIContainerOfDocument * pIContainerOfDocument = NULL;
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
% W) Z- E+ N2 o* v# V  if (FAILED(rc))
  {
    //pIContainerOfDocument->Release();
    pIContainerOfDocument = NULL ;
; H2 G& l7 E0 E- H    return FALSE;
" D( Z) L  z/ J/ V7 Q$ P  }
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7 C0 c7 y+ v/ C, g; [  //获得Document
3 K( M6 C( h7 J0 Z+ m  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

- i# |( L" I6 k6 y  //GSM工厂
6 c9 F. V$ e( D) n- \  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂  
  spGSMFactory = _pContainer;         
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
7 d9 _! E" C! D* ^/ u+ m  CATISpecObject_var spSpecPoint= spPoint;     
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;
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  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
  //更新点对象
  N* y; Y2 N- J0 q  spSpecPoint->Update();
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  return TRUE;
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效果如下：

onerice

  _Indication指的是什么呀