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
) J( `& e; g6 U& u# X& W! K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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. i- h9 Q7 {* V! ?7 R" ivoid DialogTesTCmdDialog::OnPushButtonCreatePointPushBActivateNotification(CATCommand* cmd, CATNotification* evt, CATCommandClientData data)
{
1 C& A% z5 Q: M9 @$ e7 t  // Add your code here
      CreatePointCmd *createPoint = new CreatePointCmd();
}
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1 T$ K8 l/ [, W4 K0 k9 {$ W9 `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 )
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9 Z" K. c! q' M0 x( H+ A. A" P; z  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
! }6 Y) s" O; L2 k CATMathPoint2D point2D =  _Indication->GetValue();
CATMathPlane plane = _Indication->GetMathPlane();
CATMathPoint point3D;
' m1 F) \3 `! t3 i plane.EvalPoint(point2D.GetX(),point2D.GetY(),point3D);

1 X- d5 g7 S0 m: O cout<<"Point coordinates:" << point3D.GetX() << "," << point3D.GetY() << "," << point3D.GetZ()<<endl;
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" K. q2 D% i, p# S9 _, o1 D6 }& j  //设置Container(非根节点)
  //获得Editor
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
# l( s+ {( @: [; M2 Y* B0 @6 S  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
% {' z/ l  `7 I& I  k$ D2 h  //取得当前活动对象
  CATPathElement activePath = pEditor->GetUIActiveObject();
  //取得当前活动的product
' y0 F: i; y% s  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());
, p. h- y( U5 }; K# f  //当前活动对象不存在
  if (pActiveProduct == NULL)
) g* V; q8 L" g7 Q  {
- _% m/ ^! W2 Y6 g    pDocument = pEditor->GetDocument();
" X  H/ z8 F3 M' k* o, p  _, a  }
  else
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3 v1 d! B6 l( x1 i# @& R* [    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
; E  t- `! o) b& f    //当前对象的引用对象是否存在
+ E" Z% k& t( P4 s9 ?/ `8 X    if ( NULL_var == spRef )
    {
      return FALSE;
& m- o2 k  j) A    }
    //当前对象的链接对象
2 z( d2 q# v" z/ `) \. [5 X) q    CATILinkableObject * piLinkableObject = NULL;
& X8 R4 g+ |4 f7 p4 B0 ]( _    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
    if ( FAILED(rc) )
9 G. N1 g# a; F: y( @9 e  ^; _    {
      piLinkableObject->Release();
      piLinkableObject = NULL ;
      return FALSE;
    }
8 `: E: x. D0 u: V" S0 l    //得到当前对象的文档
% l* Z- H* V7 N/ D4 t    pDocument = piLinkableObject->GetDocument();
, O' x$ [: i0 l. G  `) W+ F6 z    piLinkableObject->Release();
9 d, c5 \. _. g, x9 g    piLinkableObject = NULL ;
    if ( NULL == pDocument)
    {
      return FALSE;
    }
( a; S" Y* P$ n) E& p  }
  //得到文档容器集
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
  if (FAILED(rc))
  {
: O1 U; R1 |4 J4 h- x0 `    //pIContainerOfDocument->Release();
" v2 S  v' V% E) \0 D1 K* U7 ^    pIContainerOfDocument = NULL ;
    return FALSE;
8 f3 S4 W0 H" i+ C! g  }
  
  //获得Document
# O- Q- a! U5 ?! g3 W4 B  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
; p9 h5 Y  P# Z1 w0 a+ l  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
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5 L9 G0 T/ h' t1 A  //GSM工厂
% [+ u, l* z( Q! t( Z0 F! Z  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂  
  m9 t* y- j' l- p6 K5 Z" ^$ _  spGSMFactory = _pContainer;         
% s0 K) G# `& R9 w, y$ C3 x1 U( X  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(point3D);
  CATISpecObject_var spSpecPoint= spPoint;     
7 @$ f: |) e/ {1 b# Q  CATIGSMProceduralView_var spSndPntObj = spSpecPoint;

  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
  //更新点对象
! n  e: W) b$ ^/ d& y4 v4 q  spSpecPoint->Update();
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  return TRUE;
}
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3 b* l% w: Z4 o1 o. l效果如下：
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onerice

  _Indication指的是什么呀
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