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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void DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
, G& u" G. }4 P) c  d0 \2 {% P: J{
  // Add your code here
      CreatePointCmd *createPoint = new CreatePointCmd();
; P7 x8 U( Y  i. _3 z}

! n& U4 g0 T1 X( w; V1 P8 k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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4 |- J' G( f' L" `& A. _8 sCATBoolean CreatePointCmd::ActionOne( void *data )
{
5 z2 F, a% [8 ?6 m$ T  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
% x* V. V& f: L' x; ~4 w CATMathPlane plane = _Indication->GetMathPlane();
' A5 d+ s2 Q2 e" ~% U) M  G CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);

cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
   
  //设置Container(非根节点)
' d$ \, \( ]0 ^. U* ?  //获得Editor
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  //得到当前对象的文档
& Y0 ^; a* R2 E, S  CATDocument * pDocument = NULL ;
  //取得当前活动对象
" g; e6 K% C; [0 N( W  CATPathElement activePath = pEditor->GetUIActiveObject();
3 B6 x3 _+ ?1 y0 @+ \  //取得当前活动的product
  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
  //当前活动对象不存在
  if (pActiveProduct == NULL)
5 W2 {& z! K& L9 |1 j8 P  {
    pDocument = pEditor->GetDocument();
  }
  else
3 S( ~& a- T# i+ M; B  {
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
    //当前对象的引用对象是否存在
/ w! H& t- m# \6 w    if ( NULL_var == spRef )
/ i2 |: J% {4 `8 n3 \. o8 _    {
      return FALSE;
    }
& I; a8 J2 F9 _5 H7 Z3 o) e4 d- R    //当前对象的链接对象
9 z. |5 q. c6 G& Y7 S. s& q8 P# G    CATILinkableObject * piLinkableObject = NULL;
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
7 W9 w  n( P! E5 P" @: ~$ }* u9 }    if ( FAILED(rc) )
( h- F+ m, R7 c1 C* |5 E    {
, O- g# P0 k% ~      piLinkableObject->Release();
      piLinkableObject = NULL ;
. y& G: F4 Y+ P6 k0 O, r; d      return FALSE;
    }
    //得到当前对象的文档
    pDocument = piLinkableObject->GetDocument();
    piLinkableObject->Release();
9 J0 p  H7 U$ A9 G- g: d- w4 s    piLinkableObject = NULL ;
( v  P3 E0 a- `1 O, Y$ ~* T- N    if ( NULL == pDocument)
    {
0 _+ g$ e# s3 M/ O- h      return FALSE;
    }
4 h$ Y( m0 t8 {: i  }
  //得到文档容器集
6 A8 J! B- N7 C2 T2 J  CATIContainerOfDocument * pIContainerOfDocument = NULL;
- v( Z- d" e* G( D) {  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
0 Y: g0 p, u: x9 ?+ H2 }  if (FAILED(rc))
  {
3 J& @- ~0 J4 f    //pIContainerOfDocument->Release();
    pIContainerOfDocument = NULL ;
# M, q$ c# D) H, @    return FALSE;
  }
  
' m' C; [4 {& C0 C  //获得Document
  CATIContainer* _pContainer = NULL;
. |8 z) A% |" q7 t2 e  //获得SpecContainer
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
0 }0 w: \* r1 r4 G/ V9 i
4 t1 A0 q) Q" b1 e: A; X  //GSM工厂
  CATIGSMFactory_var spGSMFactory = NULL_var;
$ j. J& u- y4 E5 ~, ~  //设置工厂  
  spGSMFactory = _pContainer;         
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
  CATISpecObject_var spSpecPoint= spPoint;     
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;
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% g  K6 k1 Z7 _0 ^, i  //*将点显示在屏幕上
& ^) {# G1 D2 k; I0 A% d% P  spSndPntObj->InsertInProceduralView();
; P' t/ L2 @! e# A  //更新点对象
4 v+ y4 @& P$ s  spSpecPoint->Update();

( t" Q9 S9 e9 j$ T  return TRUE;
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: g5 Y" k+ ?  Y1 o, ^效果如下：



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onerice

  _Indication指的是什么呀
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