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
( ^1 w0 g& B& p3 r! f# z// 获得文件指针
* b: k( C: D: H* {" U6 F! I1 `CATDocument * pDoc= NULL;
+ m0 B6 W3 k2 oCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
4 G- K* n/ z0 `1 F$ R8 Y5 Z+ aCATInit_var spInitOnDoc(pDoc);
// 得到零件根容器

' v. V3 Z# N: D. FCATIPrtContainer * piPrtCont =
9 K! Q4 l' E0 N& T9 y0 n(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
//初始化草图工厂
- d6 X* {# A+ f7 I% O8 u  t' XCATISketchFactory_var spSketchFactory(piPrtCont);
' p. Z5 H2 q5 v# D" y" Y//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

* U2 q: X0 K1 z; B8 c: A创建草图几何
+ ^+ u. Q( ^7 |7 R+ d% H9 S6 v* M//首先声明编辑草图
3 i6 p% v3 k$ b: L8 x+ l$ MspSketch->OpenEdition();
- X# D4 \; [& yCATI2DWFFactory_var sp2DFactory(spSketch);
. H* @4 d7 M' g//这里表示圆心点
double iPoint[2] = {0.,0.};
//下面创建圆圈
- Q- V9 H! ^: ?: b+ `2 k1 r, oCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
8 E' k# ~; y* `% E- q0 l9 SspCurveOnLine->GetEndPoint();
0 z& s* i7 R- g9 u//然后退出草图：
spSketch->CloseEdition();
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创建约束
  Q. u% \* N9 ~: s9 ECATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
. \1 I6 G7 [7 G4 f* ?2 F//定义spLine1 的半径约束
! d; D* N0 _- GspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
2 {8 y9 y' _9 p, i0 Q//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
, L8 q: ]1 B- TspSketch->GetAbsolute2DAxis(spSupport);
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/ g. k  V  k0 D: o6 rspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
& f4 v! x- @. k% ]NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );

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创建凸台
// 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.);
//初始化零件工厂
9 }- w" a" ~. A4 ^+ yCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
+ r0 P! N- ]6 S# s, U//设置拉伸方向
9 h0 z9 _* c9 n% z( Y6 CspPadOnSpecObj->ModifyDirection(dirZ);
. Y6 e7 k% @% t  i7 Z//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
. ]" Q/ _( i8 E0 B9 u5 J//设置凸台的高度
1 F  F' }) k# ]; _spPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
4 H) p4 r" R* C5 s' d0 E8 B# Z( z8 AspPadOnSpecObj->ModifyStartType(catOffsetLimit);
  u/ x* `2 D+ l& D) w) KspPadOnSpecObj->ModifyStartOffset(secondLimit);
4 r* [$ v( ~7 W$ U//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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