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
2 j  f& a2 F7 m/ X3 G% OCATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
; C% u* w8 _' y# _1 W/ k2 [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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CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
# U1 `9 t! F# F9 Y8 vCATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
//初始化草图工厂
1 b. }7 @6 k2 x# L9 jCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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( ^: [. p! m, }" D0 H创建草图几何
: K) U: I" M7 K+ H3 g" j& z//首先声明编辑草图
spSketch->OpenEdition();
! W# r/ G( x' d/ CCATI2DWFFactory_var sp2DFactory(spSketch);
& G, `6 q, O, a  Y//这里表示圆心点
double iPoint[2] = {0.,0.};
//下面创建圆圈
" v2 k# T4 X. _" K4 b9 SCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
3 A) i2 e; V2 ]$ u; z: R* W1 Q, R& yCATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
- b& y$ o0 a% c; y' C$ NspCurveOnLine->GetEndPoint();
//然后退出草图：
- X) o8 S$ j/ R& y5 R" \spSketch->CloseEdition();


创建约束
CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
7 V- I, t; ^$ K, i//定义spLine1 的半径约束
$ u7 p+ R! K1 ~8 o# B7 v! P! BspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
) m9 N& i# i! K) Y5 [1 YNULL, Cst2DType_Radius, 0, 0 );
' b' Z& p" H& s( A+ B: S//定义spLine1 与坐标原点的同心约束
- z7 i9 Z1 d8 ~  MCATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);
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- G1 `* x. K( m( gspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
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
+ ~; [8 G6 A$ L, y4 {0 {/ h! L# D% ZCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
- l' o* P( |* W1 K* G4 Z9 c' F//创建凸台
# D! y2 U% k) }7 M7 P0 `CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
  o) W( g4 Z% \& p7 z: f//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
+ {# N+ n) w" v" G! T9 m  {//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
% p" B/ L6 I( H//设置凸台第二限制类型
spPadOnSpecObj->ModifyStartType(catOffsetLimit);
- H. X6 f% p; E6 vspPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
4 m) ~7 u4 S( JspSpecObj->Update();
3 W) w5 Q) h; I/ rCATIGSMProceduralView_var ispProcView = spSpecObj;
1 ]. F3 m( t  k: b/ j  a8 Cif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}