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;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
: Y- n  r/ z' n/ J! YpDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
5 b$ U) H( P6 U0 u" U; X# Y// 得到零件根容器

$ d1 D" n( W" v' e' lCATIPrtContainer * piPrtCont =
2 U- _" ~+ L/ Q7 k(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
! T1 D! K9 o- A& a8 R; w2 A// 得到零件指针
2 r9 E2 C- [1 s: vCATIPrtPart_var spPart = piPrtCont->GetPart();
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; e! P0 s: X0 R6 Z0 v4 M# z5 r创建草图
* L' y/ Q- @% T3 z/ g- C//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
+ @" @; w( z; w: z) V% W4 E8 R//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
//首先声明编辑草图
spSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
double iPoint[2] = {0.,0.};
4 Z! }- m% t! o3 e+ k5 O//下面创建圆圈
+ ]. v4 e" S. z) @: nCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
% }& Q( ?. a- z3 P8 ~2 S) DspCurveOnLine->GetStartPoint();
1 M: s% L. y6 ^+ EspCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();
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  m; L! r/ i) A; o+ {# Q6 O( M# ?创建约束
5 Y) e8 M1 e& }7 W( \$ }CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
; [9 R. c8 X+ ?7 S8 s//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
  C5 I0 I/ I5 c0 \# d$ kNULL, Cst2DType_Radius, 0, 0 );
5 I4 f4 l- M9 @) T1 _//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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4 E2 Z, E4 {$ `创建凸台
// 从编辑框中获得援助的高度
+ |' [, s7 k& ^6 l8 r4 ydouble firstLimit = _Editor004->GetFloatValue();
0 {( E1 h9 o$ \# N. y; O( s' ]2 Mdouble secondLimit = 0.;
( j$ v  E: f! k, B: e* F//圆柱的轴向方向为Z 轴方向
+ |4 z$ u4 z. W" [8 `1 aCATMathDirection dirZ(0., 0., 1.);
6 V4 C0 ?' P- y4 B7 v' R: Q//初始化零件工厂
9 L) u+ g9 B% ^CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
* P+ r/ Z. r: j! P9 d' I5 X: o( YCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
; ]9 Z4 |: r8 x3 [& Q: _CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
7 v' ~/ W# F' x7 {//设置凸台第一限制类型
0 n4 O6 ]8 @2 J' a# ]8 BspPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
5 L  X& u) p& H  I. E) \4 }8 J) PspPadOnSpecObj->ModifyStartType(catOffsetLimit);
. o& q  F6 o, N8 p8 J) I" UspPadOnSpecObj->ModifyStartOffset(secondLimit);
- W7 a% }+ \5 H//将凸台添加在结构树中
* k0 X* T3 ]2 A' J! ]2 ?spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
- g5 ^" k; k$ l7 ]; J7 Yif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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