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
& D6 ]( u! c: _  ~7 G7 ~. ^" m9 r// 获得文件指针
CATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
- c, ~0 t9 l! ]+ F9 p/ }pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
8 Q8 o7 c8 q2 J) A8 K( o3 _8 Y: i// 得到零件根容器
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+ }4 v! U& j4 [6 l  w1 _* [- vCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
. e! c+ }! b3 G  D8 J; q* ?9 ~// 得到零件指针
/ U, N/ C. D' B5 `CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
//初始化草图工厂
  f, @7 B/ y1 S9 i4 B& `CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
4 Q+ x5 o+ V" g( YCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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创建草图几何
//首先声明编辑草图
0 D) \4 ^: [% m# Z0 X! ~spSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
double iPoint[2] = {0.,0.};
; A, `- X0 O, C! [" m' G( n8 d, V//下面创建圆圈
1 K8 O$ y; R  K. n# L- |, HCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
2 E& X3 m: n; e0 L; fCATI2DCurve_var spCurveOnLine(spLine);
+ L2 c, E8 l4 S& c# KspCurveOnLine->GetStartPoint();
% Q( B* J. f5 v' B0 u: hspCurveOnLine->GetEndPoint();
( L* g0 P4 {1 B% V1 T//然后退出草图：
spSketch->CloseEdition();
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创建约束
CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
! Q3 l" t6 c) U2 U//定义spLine1 与坐标原点的同心约束
) k5 v: `0 O) A- L  o1 ^$ qCATI2DAxis_var spSupport = NULL_var;
( `3 u0 ]' L# ]. F  V! wspSketch->GetAbsolute2DAxis(spSupport);
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* g6 _5 q& K7 zspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
3 J: Q$ q% y2 S4 z' PNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
// 从编辑框中获得援助的高度
8 Q" i) \& ~3 w7 `double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
9 F" G& [( i+ ?# p  R( C# F' g//圆柱的轴向方向为Z 轴方向
% Q; g9 V8 ]; a, j) \CATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
6 F. G9 {- \$ i7 m0 PCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
( U' j5 w6 j; D//创建凸台
9 C" a: Y. b3 M4 f% m! C2 pCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
1 r7 \: W! Q1 TspPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
$ M2 _# M* [1 L6 ^$ m. gspPadOnSpecObj->ModifyEndType(catOffsetLimit);
7 K. x" m& D& c3 a; ?//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
//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
1 S" J* P5 r* K- EspSpecObj->Update();
. o! X! T' x. j9 [. i5 p- lCATIGSMProceduralView_var ispProcView = spSpecObj;
1 S: ?( a8 M3 X) Zif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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