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
& N: ?) ?+ q2 m/ Z( D( @% ~// 获得文件指针
2 V$ ?0 s. O! t4 C/ uCATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
: X' Z$ \! N6 N+ V# i4 ~0 B/ z- [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

& e$ w3 Y6 d# C& }0 d0 W, w8 R1 B+ {CATIPrtContainer * piPrtCont =
. T6 w' g; H4 l5 `1 q9 t(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
% g5 k/ E+ f8 Q' f/ sCATIPrtPart_var spPart = piPrtCont->GetPart();

创建草图
: y* P/ P! `! V4 s4 U, b& W//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
. J  h6 ~/ s7 h% j) P1 ~5 a//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
0 f& z* W" S. y' S+ j5 V
创建草图几何
. b! ]) f, y0 Y7 a* G: B, a//首先声明编辑草图
spSketch->OpenEdition();
( b4 }/ n, I, n7 u" Z8 `; a/ ECATI2DWFFactory_var sp2DFactory(spSketch);
. a: X4 b4 K3 P7 g- a# S3 A//这里表示圆心点
double iPoint[2] = {0.,0.};
//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
( Y- v# w  Q) d* kspCurveOnLine->GetEndPoint();
//然后退出草图：
; ?+ K8 o/ E. m+ k; R. v3 gspSketch->CloseEdition();
# \/ h1 s: h5 |5 {' F

创建约束
7 j' [. P) Y3 D1 nCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
7 V0 L# |" A5 TspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
7 `* {* F0 C, [) XNULL, Cst2DType_Radius, 0, 0 );
2 ~5 _0 v5 E) E0 L* k$ U- u//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
4 r' ?' L# S, R) i  Q) `" d: sspSketch->GetAbsolute2DAxis(spSupport);
' m0 A; o+ H, j; b2 y# V, d: t, D
spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
& R6 n; H! c' T0 F5 y# z( WNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
# M7 W; |* z  C, w$ r& y// 从编辑框中获得援助的高度
* Y6 x) S, B" k4 I! @7 Sdouble firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
" ~% [; P1 m" Y//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
2 Z& n" w) c8 z) D8 {//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
7 C+ o+ f$ H3 N//设置凸台第二限制类型
' z, ^  ?+ A% F) j9 ]spPadOnSpecObj->ModifyStartType(catOffsetLimit);
  M- V; O" {! k0 c. j8 C. _spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
, N9 B! I( W! T+ v  f/ Iif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}