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
& d/ S2 _) R7 k3 k- D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)
2 J% F! B2 e& e$ J8 J: j0 N, E  \4 T{
1 z' V, w% S3 C5 Z! D/ P. W  // Add your code here
      CreatePointCmd *createPoint = new CreatePointCmd();
7 j7 A- z  w  t$ }8 @}
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  f! W( C$ s% S; W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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CATBoolean CreatePointCmd::ActionOne( void *data )
{
  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
CATMathPlane plane = _Indication->GetMathPlane();
3 h( }# z# X- ?! J9 O* v5 X CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);

cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
7 |0 ~7 z* c9 p/ t   
  //设置Container(非根节点)
  M- x6 _, k( v6 n  //获得Editor
. X: P7 J$ ~9 B' e) p  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
5 b+ w& t8 ]) E4 g# S  //得到当前对象的文档
- d8 _- G8 _$ z3 W8 Y8 I  CATDocument * pDocument = NULL ;
  //取得当前活动对象
7 H1 H% C( P( o& w  x% W/ G  CATPathElement activePath = pEditor->GetUIActiveObject();
  //取得当前活动的product
7 _. o4 |" z6 w# C3 a% d  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
  //当前活动对象不存在
  if (pActiveProduct == NULL)
0 s3 @+ @  ]/ S+ R8 W' }  {
    pDocument = pEditor->GetDocument();
! M0 i. i1 s- T; g+ A% Y. G  }
/ R$ e+ O$ ]0 h: d  else
3 `+ `- }& D- Z" |/ Z+ o  {
. d; R( J. o2 g2 W* c. A    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
    //当前对象的引用对象是否存在
: T% V" f; u" D8 J  {    if ( NULL_var == spRef )
9 u* V9 k) j/ U3 n, _4 [' s    {
* B9 t" T2 d+ }$ c: {7 e      return FALSE;
    }
+ z. T* M% }" {: E/ X    //当前对象的链接对象
    CATILinkableObject * piLinkableObject = NULL;
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
    if ( FAILED(rc) )
    {
8 d3 [3 p3 q* ]8 y* O$ ~/ i      piLinkableObject->Release();
      piLinkableObject = NULL ;
: O7 t( e3 J0 d& U! ^- N  e) {      return FALSE;
+ t3 I$ y2 z9 y    }
0 t6 i% p0 d" ?    //得到当前对象的文档
    pDocument = piLinkableObject->GetDocument();
    piLinkableObject->Release();
    piLinkableObject = NULL ;
    if ( NULL == pDocument)
; z+ y# V, z% e' r    {
% s# ?. r" G1 i7 Z" C$ q  n. r- s      return FALSE;
* Q( |8 z% x0 y0 T* o. r5 U    }
9 P' ^7 _7 @! t9 Z6 Y; ^  }
  //得到文档容器集
" |1 [8 s! D' u! c& D: L  CATIContainerOfDocument * pIContainerOfDocument = NULL;
4 i, ?/ V# w. i1 _  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
1 P& n* T, @; T4 o) N  if (FAILED(rc))
2 g3 t1 G( K. M2 p& t. Y$ b  {
    //pIContainerOfDocument->Release();
    pIContainerOfDocument = NULL ;
& P1 Y: a7 m+ h) C1 c. b1 s    return FALSE;
  }
" T, Q9 Q' D2 X% H& m  
  //获得Document
  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
$ b7 u% w' V, N, b8 c  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

; v5 K3 l* n& c# c7 C. f( S  //GSM工厂
9 A/ r# g0 A5 Y/ o3 L  CATIGSMFactory_var spGSMFactory = NULL_var;
: l: ]+ y  t' z" j3 l3 q9 R  //设置工厂  
  spGSMFactory = _pContainer;         
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
  CATISpecObject_var spSpecPoint= spPoint;     
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;
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  //*将点显示在屏幕上
& n+ A8 R+ A: a7 l6 c) [$ N0 d  spSndPntObj->InsertInProceduralView();
  //更新点对象
  spSpecPoint->Update();

  return TRUE;
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9 v2 F7 m' {) W5 @效果如下：


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onerice

  _Indication指的是什么呀