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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9 h, l* Z$ y6 x' E6 nvoid DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
{
( a3 _2 W7 j/ d. |  // Add your code here
) `& V" q; h# m, V      CreatePointCmd *createPoint = new CreatePointCmd();
7 D! M4 U6 m6 V  c0 [' X}
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$ I; \; X# \: w1 k* P0 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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$ a, Q! ~) R- i- ^, J. c- PCATBoolean CreatePointCmd::ActionOne( void *data )
{
  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
  W' A# t) X5 J+ |  x CATMathPlane plane = _Indication->GetMathPlane();
2 ~; F7 k1 U' d CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);
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6 n% {  g' s: y cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
   
! l; Y# ^& P: E  //设置Container(非根节点)
6 N1 _/ m! J2 @0 {  //获得Editor
7 G' p) t& r, Y- s" Y  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
  //取得当前活动对象
( b: a- T) _3 M2 k0 s1 g4 B! l  CATPathElement activePath = pEditor->GetUIActiveObject();
  //取得当前活动的product
2 M1 K% E. _$ \% @* e3 O4 S0 o  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
  //当前活动对象不存在
7 \- G. Y1 X) f  if (pActiveProduct == NULL)
  {
    pDocument = pEditor->GetDocument();
. K/ w% R8 C) `  }
3 K  L1 |7 e" Y8 ?  else
  {
) Q+ v6 Z5 D4 Z3 u; I) T    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
; ~$ A7 p1 x4 s+ G5 K    //当前对象的引用对象是否存在
3 U9 ~" O* D0 C    if ( NULL_var == spRef )
    {
      return FALSE;
' l5 y4 M8 F/ p5 @    }
    //当前对象的链接对象
    CATILinkableObject * piLinkableObject = NULL;
    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
1 b7 w; _& J5 R  Z    if ( FAILED(rc) )
    {
      piLinkableObject->Release();
      piLinkableObject = NULL ;
6 U) |4 Z  S3 d8 g6 P' K3 u      return FALSE;
    }
7 M* L8 R. I2 j; X7 p    //得到当前对象的文档
    pDocument = piLinkableObject->GetDocument();
; F; O; A- k$ y' z* w    piLinkableObject->Release();
    piLinkableObject = NULL ;
" G* ^0 M4 q# x8 W- l    if ( NULL == pDocument)
    {
      return FALSE;
/ |( M0 q* ~8 f    }
% Y) z8 G) j  l, g! b  }
0 }. h& H9 g. @2 {/ @* x/ n  //得到文档容器集
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
' _/ `0 J4 v) k7 y1 A/ E  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
/ }) j8 S4 d, r$ `  if (FAILED(rc))
& l( \3 h) y; c; s3 Z$ q$ ~% d6 `  {
    //pIContainerOfDocument->Release();
2 G  f- c; o' m    pIContainerOfDocument = NULL ;
    return FALSE;
  }
  
  //获得Document
  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
4 z; x) V- B! P- B  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

3 u) {, M) S/ O  //GSM工厂
6 b; i. m3 X$ v- }  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂  
) u- g9 u) |! b  spGSMFactory = _pContainer;         
$ N2 |* V' Y  Y# Q2 |& }  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
  CATISpecObject_var spSpecPoint= spPoint;     
2 A4 K' ], |9 P8 f  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;

  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
4 I' l3 t# d& J/ t  //更新点对象
, D1 |+ O* Z- l+ Z0 x  spSpecPoint->Update();

$ o0 c( {* ^: ?! b$ U" e  return TRUE;
1 n4 \3 H0 \9 q2 F0 T# e$ h! ?}
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效果如下：
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onerice

  _Indication指的是什么呀
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