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
/ G4 ]: j. V& [6 i/ }CATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
# x1 ^) q5 k" h4 e. I  d3 e, U# `+ ^pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
// 得到零件根容器
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) @) K( \; c5 o* f3 n( |& [: h0 I1 bCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
8 G8 ?6 U3 t1 S  }" ]3 G) a// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
% {. M0 p, U* z2 G5 @//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
+ L& v5 |8 P, _6 T' w; O3 r//在XY plane 上创建草图
) W( d" d4 o+ `. r' O6 N' P! zCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

3 `. k# H" L7 C创建草图几何
! i8 n' @: A% `$ u. g1 j$ u//首先声明编辑草图
- M3 j* B4 _! ?0 mspSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
double iPoint[2] = {0.,0.};
//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
, z* M' u9 {. i' f! G9 {spCurveOnLine->GetStartPoint();
spCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();
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创建约束
0 o0 ~+ @3 p' J0 x  JCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
' H$ U, f* X7 ]  i5 a8 o, d7 I//定义spLine1 的半径约束
8 G" C3 k$ \  n) ^3 j& RspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
' B8 z' o! Y7 P! ]$ `//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

- `4 J. u) N& ]spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
$ V  u" B2 a* r" pNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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0 r. y" ?5 y8 i. g3 U% {创建凸台
// 从编辑框中获得援助的高度
) D9 S( f: e/ h0 L& S* l9 Wdouble firstLimit = _Editor004->GetFloatValue();
$ a( s* F; y& u$ e5 jdouble secondLimit = 0.;
; d& w9 t+ O4 \//圆柱的轴向方向为Z 轴方向
; |. [9 e+ h% p* d! TCATMathDirection dirZ(0., 0., 1.);
( X& J: r, Y1 D. w" C$ U//初始化零件工厂
& O& E& F. u; J2 FCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
9 V) E. V, T- V//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
$ S' v. ~- M2 Z" y+ T# H" e( OspPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
+ p2 l( k. Z, w' [6 {, _3 H+ c//设置凸台第二限制类型
! F3 b0 {+ n4 s- K" Q* zspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
# v* M4 Y- s+ k* f8 j//将凸台添加在结构树中
' S) K$ K( P& o: tspSpecObj->Update();
7 `" m: w; w8 q! }( h  KCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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