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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) C+ k" }. a+ C& I6 Dvoid DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
{
  // Add your code here
& k' u0 F1 f" V      CreatePointCmd *createPoint = new CreatePointCmd();
}
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5 N5 B( f! l' e: r2 Y; H. T' z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：

CATBoolean CreatePointCmd::ActionOne( void *data )
{
  // TODO: Define the action associated with the transition
9 W9 Y. m2 h; y  // ------------------------------------------------------
CATMathPoint2D point2D =  _Indication->GetValue();
' [9 _$ J, e0 g0 v$ p$ p CATMathPlane plane = _Indication->GetMathPlane();
% [: X. M: d- f CATMathPoint point3D;
plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);
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3 k- S5 h! X9 p" c cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
   
  //设置Container(非根节点)
  //获得Editor
! V7 c6 H4 h& G% H5 t  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
; v7 @$ N* H) l, s) B  //得到当前对象的文档
1 h' V5 Y. Z( I* Q, y, c+ H  CATDocument * pDocument = NULL ;
  //取得当前活动对象
  CATPathElement activePath = pEditor->GetUIActiveObject();
  //取得当前活动的product
  {; V2 A1 T* i- q  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
$ q& g: v+ ?' z# a6 N  //当前活动对象不存在
  if (pActiveProduct == NULL)
  {
    pDocument = pEditor->GetDocument();
5 @7 n4 m. r2 p& b2 Z: a5 B9 H  }
  else
7 q/ `6 Z% B' H# s6 r! D# k7 i/ r9 j; ]  {
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
8 g3 m( `5 P/ H+ c  L' Z    //当前对象的引用对象是否存在
    if ( NULL_var == spRef )
    {
) ~# @6 C( [* ^' [      return FALSE;
    }
" F$ t! d% L% `* M8 `- ]! C, U! z1 l: j    //当前对象的链接对象
    CATILinkableObject * piLinkableObject = NULL;
# g6 ^0 h% p3 }. s+ l    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
    if ( FAILED(rc) )
1 ~7 Q$ }: w, {! ^    {
$ t8 ~+ y' v: j3 R. J& J* \      piLinkableObject->Release();
      piLinkableObject = NULL ;
      return FALSE;
    }
    //得到当前对象的文档
+ q, H- Y8 ?. f4 l0 e8 [1 F    pDocument = piLinkableObject->GetDocument();
: L& j3 l5 U+ f' b( f4 d; i    piLinkableObject->Release();
    piLinkableObject = NULL ;
9 m: c4 E$ O) _2 C" H    if ( NULL == pDocument)
    {
- k" m( U9 T- A+ ~      return FALSE;
    }
  }
- `) J4 q" J1 U0 W  //得到文档容器集
" ?7 ~+ ~4 D6 @" U. @* {# S  CATIContainerOfDocument * pIContainerOfDocument = NULL;
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
  if (FAILED(rc))
  {
4 J# G8 t3 F" m    //pIContainerOfDocument->Release();
    pIContainerOfDocument = NULL ;
9 v* L, L, e0 p6 s4 m3 Z+ n/ x    return FALSE;
' i- N+ Y% @$ t( v! o  }
  ~" d4 ~: \& V0 _+ C' `  
  //获得Document
  CATIContainer* _pContainer = NULL;
7 F" T) I7 F: N0 R: m5 t" b  //获得SpecContainer
) g5 V7 |: F9 D. o/ x! J  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

! F7 e( Y# |$ T9 s* e  //GSM工厂
/ {, F' c! V* P* d# q. ]  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂  
  spGSMFactory = _pContainer;         
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
0 l9 |% w* p+ \' I1 A  CATISpecObject_var spSpecPoint= spPoint;     
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;

  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
: \' h+ [+ e8 v# F9 D& ]  //更新点对象
: [4 J+ y5 B) {$ U# z  spSpecPoint->Update();
2 }2 d) d0 k. c( ?
( |1 l6 b, h4 x) q5 d/ h' H( X  return TRUE;
6 ]% Y4 G8 P0 S7 r" R}


2 D+ _9 m! y$ _* K& \效果如下：
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onerice

  _Indication指的是什么呀