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标题: 我选择的平面,用于投影时为什么是空的 [打印本页]

作者: lansehaiyu    时间: 2012-11-15 10:03
标题: 我选择的平面,用于投影时为什么是空的
我想选择如下图所示的平面,以下是我的程序

CATBaseUnknown * pSelectPlane=_pSelectPlaneAgent->GetElementValue(_pSelectPlaneAgent->GetValue());
CATPlane * spPlane = NULL;
rc=pSelectPlane->QueryInterface(IID_CATPlane,(void **)& spPlane);
if (SUCCEEDED(rc))
{
  cout<<"通过选取对象查询CATPlane成功,选取对象是平面"<<endl;
  pSelectPlane->Release();
  pSelectPlane=NULL;
  CATPlane_var spPlaneTem = spPlane;
  CATIFeaturize_var spRPlaneSpec = spPlaneTem;
  CATISpecObject_var SpecPlane=NULL_var;
  SpecPlane=spRPlaneSpec->FeaturizeF(MfDuplicateFeature | MfPermanentBody | MfSelectingFeatureSupport | MfFunctionalFeaturization );
  if (NULL_var !=SpecPlane)
  {
  cout<<"将选取的平面转化为特征数据成功!!!"<<endl;
   SelectPlaneObject=SpecPlane;  
}
}

选择的这个平面用于做投影平面时
CATIGSMProject_var _pGSMProject = NULL_var;
  _pGSMProject = pGSMProjection->CreateProject(_spSurfaceBoundary,SelectPlaneObject,pGSMDir,TRUE,CATGSMAllSolutions);
  if (NULL_var==_pGSMProject)
  {
   cout<<"通过CATIGSMFactory接口函数CreateProject创建投影曲线失败!!!"<<endl;
   return FALSE;
  }
运行后的结果这个平面仍然没有选中,请问是我上面选择的平面有问题吗?





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