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
CATDocument * pDoc= NULL;
# q% R9 b, [, |/ j. O! yCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
1 y; ^. e" Z. `  b1 `) OCATInit_var spInitOnDoc(pDoc);
  M! K) J; `% ^" }( e// 得到零件根容器
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% e' w( S& ]" B9 t( r6 p3 F  [CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
' B/ ?4 Z* Z* \; A// 得到零件指针
  r# o8 T: n: ]; A' I: }: VCATIPrtPart_var spPart = piPrtCont->GetPart();

创建草图
6 ~5 Q$ g0 l# D5 @5 y//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
2 l* d5 R+ C) N4 CCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
//首先声明编辑草图
5 w2 Z) ^2 G0 w# bspSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
) O' q5 E3 ]1 a' I5 }! G+ k8 }double iPoint[2] = {0.,0.};
//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
, k+ {, s! K) n; MCATI2DCurve_var spCurveOnLine(spLine);
7 f3 R/ u" f" q  V9 g% I$ WspCurveOnLine->GetStartPoint();
) U) b: @- g( X6 v  j+ V2 _( ZspCurveOnLine->GetEndPoint();
4 C" W- Q' C( _0 T//然后退出草图：
spSketch->CloseEdition();
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1 I4 ]" q) Q" M0 N4 J创建约束
2 d7 r, M5 l# n. LCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
9 S/ \0 e0 d& {9 W+ U$ k8 j//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
$ M. K+ h. S: Q4 CCATI2DAxis_var spSupport = NULL_var;
; E, W  j( p  ]) LspSketch->GetAbsolute2DAxis(spSupport);

spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
+ H1 @! \# [7 r2 Y$ k% \NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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创建凸台
2 Y, i! f3 {  H' @0 b2 F// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
5 ?1 r, M+ p* `//初始化零件工厂
1 V* j; q4 Y& k! ]) ^CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
/ M) x' i9 d6 r0 E2 d: xCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
+ U/ m! O$ t3 x) G3 H//设置拉伸方向
; O8 y7 O+ @- ~! l2 CspPadOnSpecObj->ModifyDirection(dirZ);
' c  X5 g- K* H3 i//设置凸台第一限制类型
" c% n5 G, b1 K/ X1 |spPadOnSpecObj->ModifyEndType(catOffsetLimit);
; J9 H) d8 A8 S, k5 F; j//设置凸台的高度
, i* [2 d5 f/ G' Q& z0 Z6 vspPadOnSpecObj->ModifyEndOffset(firstLimit);
% n1 N2 V* J* V//设置凸台第二限制类型
spPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}