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
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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: y: U8 W# F  nvoid DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
3 y" ], R0 n9 a' M4 F- m{
  // Add your code here
      CreatePointCmd *createPoint = new CreatePointCmd();
6 w6 v8 I* J0 D) Z}

% u- r* q9 J( e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：
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" \+ [. y, L- {* TCATBoolean CreatePointCmd::ActionOne( void *data )
{
0 o6 F( T' e' p* S0 z9 m" q. J  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
* z4 V2 ]- u6 s. B4 | CATMathPlane plane = _Indication->GetMathPlane();
$ A. s8 q( T% M6 T7 ~. R2 E0 P* c CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);

$ f5 C/ ?2 [* J' r: g* S* R cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
   
; i. d* k9 Z1 ?. n% R  //设置Container(非根节点)
  //获得Editor
- ?3 w  f9 m5 M5 N* n  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
  //取得当前活动对象
$ U/ U" m. O' w8 c  CATPathElement activePath = pEditor->GetUIActiveObject();
  //取得当前活动的product
, R! E# [5 }* ^: U" V0 }  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
, H5 h" d5 O1 \' Z7 B6 i  //当前活动对象不存在
  if (pActiveProduct == NULL)
  {
    pDocument = pEditor->GetDocument();
2 S( W2 \4 o6 e" Q1 _  }
2 G; H- r, [- p8 ~2 l: i. J% ?: n  else
  {
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
    //当前对象的引用对象是否存在
, y4 \8 c/ r; Q8 f. t    if ( NULL_var == spRef )
    {
      return FALSE;
0 Y9 i# d: F, J+ j; u& {1 K0 z6 E$ }    }
    //当前对象的链接对象
    CATILinkableObject * piLinkableObject = NULL;
9 |( N% I4 j) M+ q% u& w0 m& ^' {    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
1 W, _; T9 j+ r9 t7 S8 t8 A    if ( FAILED(rc) )
9 b$ i4 P0 ^* |- ~7 _    {
      piLinkableObject->Release();
      piLinkableObject = NULL ;
      return FALSE;
    }
    //得到当前对象的文档
6 b4 `2 b. x9 e% j& i+ L5 ~    pDocument = piLinkableObject->GetDocument();
    piLinkableObject->Release();
    piLinkableObject = NULL ;
    if ( NULL == pDocument)
: K: L: }9 K0 \; x    {
      return FALSE;
    }
  }
  //得到文档容器集
3 ]& B$ Z* L3 A3 D2 w9 w  CATIContainerOfDocument * pIContainerOfDocument = NULL;
0 H5 V" X% Y5 a5 w  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
3 y9 Z" _$ `2 S) L& g: S9 P  if (FAILED(rc))
  {
  g% _* L+ F! i( Q- T    //pIContainerOfDocument->Release();
. J# J- I# n% Q/ k- W    pIContainerOfDocument = NULL ;
6 Q; y! ]; Q7 f4 I0 j8 t; O    return FALSE;
! z) c: y# C# t5 r  }
+ F3 D9 _, v# w% y& ]  
  //获得Document
  CATIContainer* _pContainer = NULL;
& A( s1 C  F" X  e. I  //获得SpecContainer
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

" G! {4 O% A4 M; u3 d& l* h  //GSM工厂
  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂  
5 e8 ~1 g0 z, A# A/ G4 P  o  spGSMFactory = _pContainer;         
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
  CATISpecObject_var spSpecPoint= spPoint;     
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;

  //*将点显示在屏幕上
1 T& A, f! K( _; y0 M# q" D  spSndPntObj->InsertInProceduralView();
  //更新点对象
3 \9 |* D! t: F) c/ J. l5 E  spSpecPoint->Update();
% l% t# ~5 J6 {
; d  m% L$ l+ R* w# j  return TRUE;
}
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3 Y: t/ k' d& H( ?2 v* k' X效果如下：
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onerice

  _Indication指的是什么呀
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