1、.第五章 零件設計5.1 零件設計環(huán)境圖 5.1 零件設計環(huán)境零件設計環(huán)境中， MyPart1 中包含參考平面（包括XY 平面、 YZ 平面、 ZX 平面）、軸系、參數(shù)、幾何圖形集、有序幾何圖形集、零件幾何體、幾何體、集合中的幾何體等節(jié)點。幾何圖形集是無序建模，一般全曲面建模就是他比較管用；有序幾何圖形集，他里面可以包含集合中的幾何體，幾何圖形集，幾何特征，但建模方式是有序的；幾何體是直接插入零件環(huán)境下，他里面可以包含幾何圖形集，有序幾何圖形，幾何特征，但建模方式是有序的；集合中的幾何體在插入前會詢問用戶，他可以放在樹的根目錄下也可以放在有序幾何圖形集里面，.還可以在插入的同時把有序幾何圖形集

2、里的特征集合到（集合中的幾何體）里面。5.2 零件設計接口介紹5.2.1 操縱零件的一般步驟.圖 5.2 操縱零件的主要接口及步驟5.2.2 獲得 CATIPrtPart參考代碼如下：CATIPrtContainer_varspPrtContainer = spContainer;CATIPrtPart_varspPrtPart = spPrtContainer -GetPart();5.2.3 獲得零件下所有節(jié)點方法一：利用 CATIDescendants接口CATIDescendants_var spDescendantsOnPart= spPrtPart; CATListV alCATI

3、SpecObject_var spSpecObjects; piDescendantsOnPart-GetAllChildren(CA TISpecObject, spSpecObjects); 方法二：利用 CATContainer 中的 ListMembersHere 方法 SEQUENCE(CA TBaseUnknown_ptr) ListObj;long NbObj = piRootContainer-ListMembersHere(CA TISpecObject,ListObj); for(int j=0;jGetReferencePlanes();注意： spReferencePl

4、anes為包含三個元素的數(shù)組，數(shù)組元素依次為 xy 平面 , yz 平面和 zx 平面。如果要使用 yz 平面，則參考代碼如下：CATISpecObject_varspyzPlane= spReferencePlanes2;5.2.5 獲得軸系參考代碼如下：CATIMf3DAxisSystemManager_var spAxisSystem = NULL_var; spPrtPart-QueryInterface(IID_ CATIMf3DAxisSystemManager,(void*)& spAxisSystem);./得到的所有軸系CATLISTV(CA TIMf3DAxisSystem

5、_var) oAxisSystemList;spAxisSystem -GetAxisSystems(oAxisSystemList);5.2.6 獲得參數(shù)方法一：利用 CATIDescendants 接口CATIDescendants_var spDescendantsOnPart= spPrtPart; CATListValCATISpecObject_var spSpecObjects; piDescendantsOnPart-GetAllChildren(CA TICkeParm, spSpecObjects);方法二：利用 CATIParmPublisher 中接口CATIParmP

6、ublisher_var spParmPublisher= spPrtPart; CATListValCATISpecObject_var ListFound; spParmPublisher-GetAllChildren(CA TICkeParm,ListFound); 方法三：利用 CATContainer 中的 ListMembersHere 方法 SEQUENCE(CA TBaseUnknown_ptr) ListObj;long NbObj = spContainer -ListMembersHere(CA TICkeParm,ListObj); for(int j=0;jNbObj

7、;j+)/ 注意從 0 開始 CATIAlias_var spAlias = ListObjj;coutGetAlias()QueryInterface(IID_CA TIPartRequest,(void*)&pIPartRequest );if ( SUCCEEDED(rc) )CATLISTV(CA TBaseUnknow_var) ListBodies;/ 所有幾何體CATUnicodeString ViewContext =MfDefault3DView;rc = pIPartRequest-GetSolidBodies(ViewContext,ListBodies);例 2：獲得零

8、件中的所有有序幾何圖形集的代碼如下。CATIDescendants_var spDescendantsOnPart= spPrtPart; CATListV alCATISpecObject_var spSpecOGSs;/所有有序幾何圖形集 piDescendantsOnPart-GetAllChildren(CA TIMmiOrderedGeometricalSet, spSpecOGSs);例 3：獲得零件幾何體的代碼如下。CATBaseUnknow_var spMainBody;/ 零件幾何體.pIPartRequest-GetMainBody(ViewContext,spMainBo

9、dy);例 4：獲得 CATBody 的代碼如下。CATIBodyRequest*pIBodyRequest= NULL; spMainBody -QueryInterface(IID_CA TIBodyRequest,(void*) &pIBodyRequest); CATLISTV(CA TBaseUnknown_var) ListResult ; pIBodyRequest-GetResults(,ListResult); CATIGeometricalElement * pIGeometricalElement = NULL ;for (int i=1 ; iQueryInterfac

10、e(IID_CA TIGeometricalElement ,(void*) &pIGeometricalElement );CATBody_var spBodyResult = pIGeometricalElement-GetBodyResult();5.2.8 創(chuàng)建軸系/首先初始化工廠CATIMf3DAxisSystemFactory * pIMf3DAxisSystemFactoryOnFeatCont = spContainer;CATMathPoint Origin (150.0,.0,.0);CATMathVectorX (1.0,.0,.0);CATMathVectorY (0.

11、0,1.0,.0);CATIMf3DAxisSystem_var NewAxisSystemStd;/ 創(chuàng)建的軸系 pIMf3DAxisSystemFactoryOnFeatCont-CreateAxisSystem(Origin,X,Y ,NewAxisSystemStd); /對軸系的 X、 Y 方向進行修改NewAxisSystemStd-SetAxisDirection(CA TAxisSystemXNumber, pVectorX); NewAxisSystemStd-SetAxisDirection(CA TAxisSystemYNumber, pVectorY);5.2.9 創(chuàng)建

12、參數(shù)和公式1創(chuàng)建參數(shù)/初始化 CATICkeParmFactory 工廠CATICkeParmFactory_var spParmFactory= spContainer;CATICkeParm_var spParam1= spParmFactory-CreateLength(Base,0.1);CATICkeParm_var spParam2= spParmFactory-CreateLength(Width,0.15);/ 長度單位為米 CATICkeParm_var spParam3= spParmFactory-CreateLength(Height,0.2);/創(chuàng)建長度參數(shù)./ CA

13、TIParmPublisher 與 CATICkeFunctionFactory 功能為將所有參數(shù)顯示在結構樹中CATIParmPublisher_varspParmPublisher= NULL_var;CATICkeFunctionFactory_var spFuncFactory=CATCkeGlobalFunctions:GetFunctionFactory();spParmPublisher=spFuncFactory-GetCurrentSet(CATICkeFunctionFactory:Parameter,spPrtPart,CATCke:True);spParmPublish

14、er.Append(spParam1);spParmPublisher.Append(spParam2);spParmPublisher.Append(spParam3);2創(chuàng)建公式/創(chuàng)建參數(shù)列表CATCkeListOfParm pList;pList-Append (spParam1);pList-Append (spParam2);pList-Append (spParam3);/創(chuàng)建公式 Height = Width + BaseCATICkeRelation_var spFormula1 = spParmFactory-CreateFormula(Formula, spParam3,p

15、List, Width+Base, spParmPublisher,CATCke:True);spFuncFactory-AddToCurrentRelationSet(spFormula1, spParmPublisher);/修改參數(shù)進行測試spParam1-Valuate(0.5);5.2.10 創(chuàng)建幾何圖形集等節(jié)點/初始化 CATIMechanicalRootFactory 工廠CATIMechanicalRootFactory_var spMechanicalRootFactory = spContainer;/創(chuàng)建幾何圖形集virtual HRESULT CreateGeometr

16、icalSet(constCATUnicodeString& iUserName,const CATISpecObject_var& iDestination,CATISpecObject_var& oGeomSet,int iPosition=-1 ) = 0 ;函數(shù)說明如下表 5.1 所示：.iDestination 為零件節(jié)點iDestination 為其他節(jié)點iPosition = -1幾何圖形集位于零件最后幾何圖形集與 iDestination 在同一父節(jié)點下，且在 iDestination 節(jié)點后表 5.1 函數(shù)說明iPosition = 0幾何圖形集位于零件最后幾何圖形集位于 i

17、Destination 中的最后0 iPosition CreateHole();CATINewHole_var spNewHole= spHole;spNewHole- SetHoleType(1);/設置孔類型為簡單孔spNewHole-SetBottomType(1) ;/設置孔底面類型為平底spNewHole-SetDiameter(5)/ 設置直徑spNewHole-SetLimit(1)/ 設置為盲孔CATIHoleLimit_var spHoleLimit = spHole;spHoleLimit -SetOffset(5);/設置孔的深度3將孔添加在結構樹中.spHole -U

18、pdate();CATIGSMProceduralView_var ispProcView = spHole;if (NULL_var != ispProcView ) HResult rc = ispProcView -InsertInProceduralView();5.2.12 創(chuàng)建零件設計表/初始化 CATICkeParmFactory 工廠CATICkeParmFactory_var spParmFactory= spContainer;/創(chuàng)建設計表的函數(shù)如下CATIDesignTable_varCreateDesignTable(const CATUnicodeString&iRe

19、lationName,const CATUnicodeString&iComment,const CATUnicodeString&i,intorientation = 1,intsheetWithoutFile = 0 );函數(shù)說明： iRelationName 為設計表的名字， iComment 為設計表的說明， i 為創(chuàng)建表的路徑。創(chuàng)建零件族的步驟如下：1.創(chuàng)建參數(shù)CATICkeParm_var spPp1= spFact-CreateInteger(Column1,0);CATICkeParm_var spPp2= spFact-CreateReal(r,0.0);CATICkePar

20、m_var spPp3= spFact-CreateString(s,);CATICkeParm_var spPp4= spFact-CreateBoolean(b,CATCke:True);CATICkeParm_var spPp5= spFact-CreateLength(l,0);CATICkeParm_var spPp6= spFact-CreateAngle(a,0);2.將參數(shù)顯示在結構樹上CATIPrtContainer_var spPrtCont = spContainer; CATIParmPublisher_var spPubroot= spPrtCont-GetPart(

21、); CATICkeFunctionFactory_var fact = CATCkeGlobalFunctions:GetFunctionFactory(); CATISpecObject_var spParameterSet= NULL_var; spParameterSet=fact-GetCurrentSet(CATICkeFunctionFactory:Parameter,spPubroot,CATCke:True);CATIParmPublisher_var spParmPublisher= spParameterSet;spParmPublisher-Append(spPp1);

22、.spParmPublisher-Append(spPp2);spParmPublisher-Append(spPp3);spParmPublisher-Append(spPp4);spParmPublisher-Append(spPp5);spParmPublisher-Append(spPp6);3.創(chuàng)建設計表CATIDesignTable_var spDesignTable= spFact-CreateDesignTable();4.將設計表顯示在結構樹上CATISpecObject_var spRelationSet= fact -GetCurrentSet( CATICkeFunct

23、ionFactory:Relation,spPubroot,CATCke:True);spParmPublisher= spRelationSet;spParmPublisher-Append(spDesign);5.將參數(shù)與設計表關聯(lián)，注意參數(shù)名字與設計表的列參數(shù)名字一定要相同/ 參數(shù)列表CATLISTV(CA TBaseUnknown_var) list;list.Append(spPp1);spDesign-AutomaticAssociations(spContainer, NULL_var, &list);/ 添加關聯(lián)spDesign-AddAssociation(Column2,

24、spPp2);spDesign-AddAssociation(Column3, spPp3);spDesign-AddAssociation(Column4, spPp4);spDesign-AddAssociation(Column5, spPp5);6設置配置spDesign-SetCurrentConfiguration(1);5.2.13 創(chuàng)建草圖 Sketch有兩種方式可以創(chuàng)建草圖：1.通過參考平面創(chuàng)建/獲得參考平面CATLISTV(CA TISpecObject_var) spRefPlanes= spPart-GetReferencePlanes();/初始化草圖工廠CATISk

25、etchFactory_var spSketchFactory(spContainer);./在 XY plane 上創(chuàng)建草圖CATISketch_var spSketch= spSketchFactory-CreateSketch(spRefPlanes1);2.通過原點和兩個矢量方向該方法通過定義一個原點和兩個方向pH 、pV 進行創(chuàng)建。定義原點和方向：double pOrigin3=0,0,10;double pH3=1,0,0;double pV3=0,1,0;CATISketchFactory_varspSketchFactory(spContainer);CATISketch_va

26、r spSketch = spSketchFactory-CreateSketch(pOrigin, pH, pV);5.2.14 創(chuàng)建草圖幾何/首先聲明編輯草圖spSketch-OpenEdition();CATI2DWFFactory_var sp2DFactory(spSketch);/下面創(chuàng)建點CATI2DPoint_var spPt_bottom_left, spPt_bottom_right, spPt_top_right, spPt_top_left;double pt_bottom_left2= 10, 10;double pt_bottom_right2= 50, 10;do

27、uble pt_top_right2= 50, 50;double pt_top_left2= 10, 50;spPt_bottom_left= sketch2DFactory-CreatePoint(pt_bottom_left);spPt_bottom_right = sketch2DFactory-CreatePoint(pt_bottom_right);spPt_top_right= sketch2DFactory-CreatePoint(pt_top_right);spPt_top_left= sketch2DFactory-CreatePoint(pt_top_left);/開始創(chuàng)

28、建線CATI2DLine_var spLine1, spLine2, spLine3, spLine4;spLine1 = sketch2DFactory-CreateLine(pt_bottom_left,pt_bottom_right); spLine2 = sketch2DFactory-CreateLine(pt_bottom_right,pt_top_right); spLine3 = sketch2DFactory-CreateLine(pt_top_right,pt_top_left); spLine4 = sketch2DFactory-CreateLine(pt_top_le

29、ft,pt_bottom_left); /將線的首尾連接起來.CATI2DCurve_var spCurve1(spLine1);CATI2DCurve_var spCurve2(spLine2);CATI2DCurve_var spCurve3(spLine3);CATI2DCurve_var spCurve4(spLine4);spCurve1-SetStartPoint(spPt_bottom_left);spCurve1-SetEndPoint(spPt_bottom_right);spCurve2-SetStartPoint(spPt_bottom_right);spCurve2-S

30、etEndPoint(spPt_top_right);spCurve3-SetStartPoint(spPt_top_right);spCurve3-SetEndPoint(spPt_top_left);spCurve4-SetStartPoint(spPt_top_left);spCurve4-SetEndPoint(spPt_bottom_left);/然后退出草圖：spSketch-CloseEdition();5.2.15 創(chuàng)建草圖約束CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);/定義 spLine1 為水平約

31、束spConstraint2DFactory-CreateConstraint( spLine1, NULL,NULL,NULL,NULL,NULL,NULL, Cst2DType_Horizontal, 0, 0 );/定義 spLine2 為垂直約束spConstraint2DFactory-CreateConstraint( spLine2, NULL,NULL,NULL,NULL,NULL,NULL, Cst2DType_Vertical, 0, 0 );/定義 spLine3 為水平約束spConstraint2DFactory-CreateConstraint( spLine3,

32、NULL,NULL,NULL,NULL,NULL,NULL, Cst2DType_Horizontal, 0, 0 );/定義 spLine4 為垂直約束spConstraint2DFactory-CreateConstraint( spLine4, NULL,NULL,NULL,NULL,NULL,NULL, Cst2DType_Vertical, 0, 0 );/定義 spLine2 的長度約束spConstraint2DFactory-CreateConstraint( spLine2, NULL, NULL, NULL, NULL, NULL, NULL, Cst2DType_Leng

33、th, 0, 0 );./定義 spLine2 與 spLine4 的距離約束spConstraint2DFactory-CreateConstraint( spLine2, NULL,spLine4, NULL,NULL,NULL,NULL, Cst2DType_Distance,0, 0 );/定義 spPt_bottom_left 與 X 軸的距離約束CATI2DAxis_var spSupport= NULL_var;spSketch-GetAbsolute2DAxis(spSupport);spConstraint2DFactory-CreateConstraint(spPt_bot

34、tom_left,NULL,spSupport-GetHDirection(), NULL, NULL, NULL, NULL,Cst2DType_Distance, 0, 0 );/定義 spPt_bottom_left 與 Y 軸的距離約束spConstraint2DFactory-CreateConstraint(spPt_bottom_left,NULL,spSupport-GetVDirection(), NULL, NULL, NULL, NULL,Cst2DType_Distance, 0, 0 );5.3 生成圓柱體實例5.3.1 本實例所實現(xiàn)的功能本實例主要實現(xiàn)創(chuàng)建圓柱的功能

35、，在對話框中直接輸入圓柱直徑和圓柱高度，點擊確定按鈕，在零件中自動創(chuàng)建相應直徑和高度的圓柱體，其界面如圖5.4 所示。圖 5.4 創(chuàng)建圓柱界面5.3.2 實現(xiàn)的步驟5.3.2.1獲得零件指針/ 獲得文件指針CATDocument * pDoc= NULL;CATFrmEditor * _pEditor = CATFrmEditor:GetCurrentEditor();pDoc = _pEditor-GetDocument();/ 這里得到了 PART 環(huán)境下的文檔指針 CATInit_var spInitOnDoc(pDoc);/ 得到零件根容器.CATIPrtContainer * piP

36、rtCont =(CATIPrtContainer*) spInitOnDoc-GetRootContainer(CA TIPrtContainer);/ 得到零件指針CATIPrtPart_var spPart= piPrtCont-GetPart();5.3.2.2創(chuàng)建草圖/初始化草圖工廠CATISketchFactory_var spSketchFactory(piPrtCont);/在 XY plane 上創(chuàng)建草圖CATISketch_var spSketch= spSketchFactory-CreateSketch(spRefPlanes1);5.3.2.3創(chuàng)建草圖幾何/首先聲明編輯草圖spSketch-OpenEdition();CATI2DWFFactory_var sp2DFactory(spSketch);/這里表示圓心點doubleiPoint2 = 0.,0.;/下面創(chuàng)建圓圈CATISpecObject_var spLine = spSketch-CreateCircle(iPoint,_Editor003-GetFloatV alue();CATI2DCurve_var spCurveOnLine(spLine);spCurveOnLine-GetStartPoint();spCurveOnLine-GetEndPoint();/