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;
2 t1 r2 F: o$ ^* eCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
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

" O# @: F! ^! o* i3 D5 @' Q) _CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
$ Z: K# v# s* g6 h1 \// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
$ _# D0 ?/ u0 C* v0 I//初始化草图工厂
+ U; ?8 A  z# d9 MCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
% M9 ^# _! u+ O/ qCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
* L' W0 A2 h" P' q  z) l5 W. A, d//首先声明编辑草图
spSketch->OpenEdition();
0 D$ C- ~+ ]9 F" p7 m# L0 S9 lCATI2DWFFactory_var sp2DFactory(spSketch);
3 g( G% @3 t/ \/ m) `" h4 `//这里表示圆心点
0 I( W7 D) O  G9 G' vdouble iPoint[2] = {0.,0.};
//下面创建圆圈
. b! m' K! O) P/ NCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
' w6 H7 c$ |4 t; ?8 y  ^- X, HCATI2DCurve_var spCurveOnLine(spLine);
+ t4 Y4 q: @* w% SspCurveOnLine->GetStartPoint();
. ?* \" D+ }7 V: _spCurveOnLine->GetEndPoint();
3 F; D& H8 o0 P% F% ?//然后退出草图：
5 F6 y, F. w( L/ rspSketch->CloseEdition();


, ?4 j/ t: |. m0 w, u创建约束
$ ]# B0 z* C, QCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
; {: z; k$ a* i) s& c//定义spLine1 的半径约束
+ Q( \. I7 U! Z5 V2 O' ^spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
" [) O; Z$ u1 V4 }NULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
" o2 S  o# d& S8 |  zspSketch->GetAbsolute2DAxis(spSupport);
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2 C3 L. G1 H6 i$ K  s2 ZspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
4 {& N, N: v& T- g0 V; P) G* ENULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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创建凸台
  O# I$ W3 }% a// 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
, z; T4 C& y- C. a+ PCATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
6 U! C" N/ y: b" x# u' u/ t+ K: N" m//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
; o3 s6 O1 T0 L5 o6 K2 J$ \9 V1 _//设置凸台第一限制类型
, e  d: @/ @3 ~- u! kspPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
3 P' Q* t2 b8 l( e) IspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
! I) d) m4 N0 r+ Z, U//将凸台添加在结构树中
4 D6 H  N% w( S) KspSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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