CATIA二次开发入门教程---16 通过点击屏幕创建线

admin · 发表于 2017-5-6 14:18:38

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CATIA二次开发入门教程---16 通过点击屏幕创建线

和上面例子类似，这里需要手动添加一些action事件，在头文件里面新增加一个 indication，效果如下
create line.PNG

代码如下：

//-------------------------------------------------------------------------
// Constructor
//-------------------------------------------------------------------------
CreateLineCmd::CreateLineCmd() :
  CATStateCommand ("CreateLineCmd", CATDlgEngOneShot, CATCommandModeExclusive)
//  Valid states are CATDlgEngOneShot and CATDlgEngRepeat
  ,_IndicationPoint1(NULL) ,_IndicationPoint2(NULL)
{
}
//-------------------------------------------------------------------------
// Destructor
//-------------------------------------------------------------------------
CreateLineCmd::~CreateLineCmd()
{
if (_IndicationPoint1!= NULL)
   _IndicationPoint1->RequestDelayedDestruction();
if (_IndicationPoint2!= NULL)
_IndicationPoint2->RequestDelayedDestruction();

}

//-------------------------------------------------------------------------
// BuildGraph()
//-------------------------------------------------------------------------
void CreateLineCmd::BuildGraph()
{

  // TODO: Define the StateChart
  // ---------------------------
  _IndicationPoint1 = new CATIndicationAgent ("IndicationOne");
  AddCSOClient(_IndicationPoint1);
  _IndicationPoint2 = new CATIndicationAgent ("IndicationTwo");
  CATMathPlane PlaneXY;
  _IndicationPoint1 -> SetMathPlane (PlaneXY);
  _IndicationPoint2 -> SetMathPlane (PlaneXY);
  CATDialogState * initialState1 = GetInitialState("select first point");
  initialState1 -> AddDialogAgent (_IndicationPoint1);

  CATDialogState * initialState2 = AddDialogState("select second point"); // add important
  initialState2 -> AddDialogAgent (_IndicationPoint2);


  AddTransition( initialState1, initialState2,
               IsOutputSetCondition (_IndicationPoint1),
               Action ((ActionMethod) &CreateLineCmd::ActionOne));

  AddTransition( initialState2, NULL,
IsOutputSetCondition (_IndicationPoint2),
Action ((ActionMethod) &CreateLineCmd::ActionTwo));
}

//-------------------------------------------------------------------------
// ActionOne ()
//-------------------------------------------------------------------------
CATBoolean CreateLineCmd::ActionOne( void *data )
{
  // TODO: Define the action associated with the transition
  // ------------------------------------------------------
  CATMathPoint2D point2D = _IndicationPoint1->GetValue();//获得一个2D的点
  CATMathPoint Point3D;
  CATMathPlane Plane = _IndicationPoint1->GetMathPlane();
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点
  //设置Container(非根节点)
  //获得Editor
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
  //取得当前活动对象
  CATPathElement activePath = pEditor->GetUIActiveObject();
  //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)
  {
pDocument = pEditor->GetDocument();
  }
  else
  {
CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
//当前对象的引用对象是否存在
if ( NULL_var == spRef )
{
   return FALSE;
}
//当前对象的链接对象
CATILinkableObject * piLinkableObject = NULL;
HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );
if ( FAILED(rc) )
{
   piLinkableObject->Release();
   piLinkableObject = NULL ;
   return FALSE;
}
//得到当前对象的文档
pDocument = piLinkableObject->GetDocument();
piLinkableObject->Release();
piLinkableObject = NULL ;
if ( NULL == pDocument)
{
   return FALSE;
}
  }
  //得到文档容器集
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
  if (FAILED(rc))
  {
//pIContainerOfDocument->Release();
pIContainerOfDocument = NULL ;
return FALSE;
  }
  //获得Document
  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
  cout << "container ok" <<endl;

  //GSM工厂
  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂
  spGSMFactory = _pContainer;
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
  spSpecPoint1= spPoint;
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint1;
  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
cout << "create point ok" <<endl;
  spSpecPoint1->Update();
cout << "update point ok" <<endl;
  return TRUE;
}

CATBoolean CreateLineCmd::ActionTwo( void *data )
{
// TODO: Define the action associated with the transition
// ------------------------------------------------------
CATMathPoint2D point2D = _IndicationPoint2->GetValue();//获得一个2D的点
  CATMathPoint Point3D;
  CATMathPlane Plane = _IndicationPoint2->GetMathPlane();
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点
  //设置Container(非根节点)
  //获得Editor
  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();
  //得到当前对象的文档
  CATDocument * pDocument = NULL ;
  //取得当前活动对象
  CATPathElement activePath = pEditor->GetUIActiveObject();
  //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)
  {
pDocument = pEditor->GetDocument();
  }
  else
  {
CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();
//当前对象的引用对象是否存在
if ( NULL_var == spRef )
{
   return FALSE;
}
//当前对象的链接对象
CATILinkableObject * piLinkableObject = NULL;
HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );
if ( FAILED(rc) )
{
   piLinkableObject->Release();
   piLinkableObject = NULL ;
   return FALSE;
}
//得到当前对象的文档
pDocument = piLinkableObject->GetDocument();
piLinkableObject->Release();
piLinkableObject = NULL ;
if ( NULL == pDocument)
{
   return FALSE;
}
  }
  //得到文档容器集
  CATIContainerOfDocument * pIContainerOfDocument = NULL;
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
  if (FAILED(rc))
  {
//pIContainerOfDocument->Release();
pIContainerOfDocument = NULL ;
return FALSE;
  }
  //获得Document
  CATIContainer* _pContainer = NULL;
  //获得SpecContainer
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);

  //GSM工厂
  CATIGSMFactory_var spGSMFactory = NULL_var;
  //设置工厂
  spGSMFactory = _pContainer;
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
  CATISpecObject_var spSpecPoint2= spPoint;
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint2;
  //*将点显示在屏幕上
  spSndPntObj->InsertInProceduralView();
  spSpecPoint2->Update();
  //生成线
  CATIGSMLinePtPt_var spLine = spGSMFactory->CreateLine(spSpecPoint1, spSpecPoint2, NULL_var);
  CATISpecObject_var spSpecLine= spLine;
  CATIGSMProceduralView_var spSndPntObjLine = spSpecLine;
  //*将线显示在屏幕上
  spSndPntObjLine->InsertInProceduralView();
  spSpecLine->Update();

return TRUE;
}

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