Catia二次开发源码分享：创建圆柱体实例

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获得零件指针
// 获得文件指针
5 d8 S& Q1 m6 y! \: b# ^) ACATDocument * pDoc= NULL;
4 |6 |7 w9 B; `4 y0 ~CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
! ~: L/ s6 O& F) B9 u. ?  R// 得到零件根容器

CATIPrtContainer * piPrtCont =
0 K# ?  B/ F/ h" X" [(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
& l6 x, p- O6 y" Q/ K$ mCATIPrtPart_var spPart = piPrtCont->GetPart();
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2 F& b9 Z- R4 N3 I; \创建草图
6 e! N/ |1 R6 ^6 d& k5 p//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
6 W; l" W" k- i0 Z//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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创建草图几何
//首先声明编辑草图
spSketch->OpenEdition();
7 O7 a; j: ^& D3 u: v, E% }: [3 q+ rCATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
& T" _- c7 ^+ E# B9 A( Rdouble iPoint[2] = {0.,0.};
9 b: f5 {3 r3 I5 B) `/ O//下面创建圆圈
* ~  K# V, s& z3 v- U! u* LCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
spCurveOnLine->GetEndPoint();
) `% }1 |  F! J+ W# S$ N+ ~//然后退出草图：
% S$ K) Q: u' E1 n9 h, Y- ospSketch->CloseEdition();

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) e7 I- K. ?8 ~. _; p8 `+ s创建约束
& s  e5 T* h/ O$ i4 TCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
* p( |+ `4 V3 t1 @//定义spLine1 的半径约束
# a1 l" E; f+ R# o; nspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
+ V. n- [2 M6 W+ Q$ p) e  C, ~: ^NULL, Cst2DType_Radius, 0, 0 );
0 h2 b- q5 B  O' {//定义spLine1 与坐标原点的同心约束
# a4 G$ F7 s. a1 N' r6 i$ @CATI2DAxis_var spSupport = NULL_var;
6 s! D: h" U8 I# ~2 OspSketch->GetAbsolute2DAxis(spSupport);

spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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创建凸台
* E. u; ], f' j3 u8 C( @5 O3 E: k# y// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
9 e4 ~# I  C9 G4 q2 p5 D" V//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
* r! f! L4 n' k; J; D; O1 L1 NCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
8 b/ Y, V, V$ JCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
4 U5 W4 n; _8 F7 u) u" tCATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
* {' b2 \2 E. V0 A* Y$ O0 jspPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
) A& x; G  i8 t  u* KspPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
' W+ [3 `" b3 P- q7 _4 V* C//设置凸台第二限制类型
% _. |) _' N! T4 A7 L3 LspPadOnSpecObj->ModifyStartType(catOffsetLimit);
7 b2 c# f% T. c) ^' rspPadOnSpecObj->ModifyStartOffset(secondLimit);
/ m/ f2 f$ I' J& n9 x//将凸台添加在结构树中
- ~. s% @/ w! b# n5 b  |spSpecObj->Update();
# X  m" F' g$ R' ~- NCATIGSMProceduralView_var ispProcView = spSpecObj;
6 c! H! M; q# J( x0 J5 `1 T9 uif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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