V5-工程图标准的建立

在利用TPS视图投影生成工程图时，遇到了这样一个问题，CATIA提示一下错误：

“如果3D视图和工程图使用不同标准，则无法生成视图。请使用与3D视图相同的标准创建视图，然后重新启动该命令”

这是因为再利用CAA创建工程图后，为了保险起见，需要对工程图的标准进行设定。

// Gets the drawing feature using the CATIDftDocumentServices interface

  CATIDrawing *piDrawing = NULL;

  CATIDftDocumentServices *piDftDocServices = NULL;

  CATIContainer_var spDrwcont;

  CATISpecObject_var spSpecObj;

  if (SUCCEEDED(pDoc->QueryInterface(IID_CATIDftDocumentServices, (void **)&piDftDocServices)))

  {

          // pDoc为创建的工程图文档

           piDftDocServices->GetDrawing(IID_CATIDrawing, (void **)&piDrawing);

           piDftDocServices->Release();

        piDftDocServices = NULL;

       spSpecObj=piDrawing;

       if (spSpecObj != NULL_var) spDrwcont = spSpecObj->GetFeatContainer();

  }

  if (spDrwcont != NULL_var)

  {

          CATIDftStandardManager *piStdmgr = NULL;

           HRESULT rc = spDrwcont->QueryInterface(IID_CATIDftStandardManager,(void**)&piStdmgr);

           if (SUCCEEDED(rc))

           {

                   //  Find a standard in the list of allowed standards (ie. the list of .CATDrwSTD files in the reffiles directory)

                   CATIStringList *piListstd = NULL;

                   if ( SUCCEEDED(piStdmgr->GetAvailableStandards(&piListstd)) && piListstd )

                   {

                           unsigned int  nbrstd = 0;

                           piListstd->Count(&nbrstd);

                           for (unsigned int indice = 0; indice < nbrstd; indice ++)

                           {

                                   wchar_t  *wstd = NULL;

                                   if ( SUCCEEDED ( piListstd->Item ( indice, &wstd ) )  && wstd )

                                   {

                                           CATUnicodeString stdname;

                                           const CATUnicodeString ANSI_UncS = "ANSI";

                                            stdname.BuildFromWChar(wstd);

                                            if ( stdname == ANSI_UncS ) 

                                           {

                                                   // Import the ANSI standard in the document

                                                   piStdmgr->ImportStandard (wstd);

                                                   break;

                                           }

                                   }

                                   if (wstd) {delete[] wstd; wstd = NULL;}

                       }

                       piListstd->Release(); piListstd=NULL;           

                   }

                   piStdmgr->Release (); piStdmgr=NULL;

               }

  }