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
5 ~' J5 T- M) HCATDocument * pDoc= NULL;
' u8 ]- c/ H+ V/ `CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
/ }3 J6 c7 f  K/ wCATInit_var spInitOnDoc(pDoc);
// 得到零件根容器

! F, i6 _$ b+ b  k/ u2 MCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
6 U- z* [/ o4 i8 M; ECATIPrtPart_var spPart = piPrtCont->GetPart();

创建草图
- O  E1 T  s6 _  J! y//初始化草图工厂
, B3 F* E9 ]3 |CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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$ f9 R* l6 e; @1 b1 g( e. D5 {# I创建草图几何
//首先声明编辑草图
8 M1 H0 j/ Q: A5 {' |% dspSketch->OpenEdition();
  g  C7 Y( t: _/ kCATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
double iPoint[2] = {0.,0.};
6 @4 N1 Y1 R# R//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
* Q6 z8 U& F  MCATI2DCurve_var spCurveOnLine(spLine);
. Z8 }. d, _* G  g; l+ K. hspCurveOnLine->GetStartPoint();
  X' u  `4 ^* bspCurveOnLine->GetEndPoint();
1 ]% |0 [1 k9 @//然后退出草图：
2 D' s1 m; K1 |  yspSketch->CloseEdition();
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创建约束
( y% }8 O' P4 D4 F9 y% mCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
$ t' L2 R% L" @6 e  q//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
0 s! }7 \8 q  }0 D# d8 V' P! |spSketch->GetAbsolute2DAxis(spSupport);
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spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
; ?% |* e' b) t8 _9 h. M  P( u9 nNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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8 u$ F" e3 [' h创建凸台
/ j6 y) x8 e/ q1 b3 Z  g" A2 k// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
" S+ l) R# e& @//圆柱的轴向方向为Z 轴方向
$ v3 ?& A8 X6 E2 s2 Y/ GCATMathDirection dirZ(0., 0., 1.);
2 Q9 ]4 n- g# d0 G# K$ Y//初始化零件工厂
  H/ G2 W1 P( Z$ |+ b, K# h7 fCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
2 [6 ^& m  k) u: f% A' x8 w5 mCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
4 J6 W8 R( p2 @7 r  D% vCATIPad_var spPadOnSpecObj(spSpecObj);
9 n7 l7 o: c6 L3 F7 v$ f4 e$ b5 v//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
, G4 A! v$ B  H* E/ `3 J) vspPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
# E6 V8 ^$ i, ospPadOnSpecObj->ModifyEndOffset(firstLimit);
5 {! T4 J% t6 q$ ?0 z//设置凸台第二限制类型
! c- p% y9 @6 |. C, BspPadOnSpecObj->ModifyStartType(catOffsetLimit);
. J+ w' U$ `( e9 w6 E$ f  BspPadOnSpecObj->ModifyStartOffset(secondLimit);
- p$ Z& j$ i' u- D0 U/ ~( Z//将凸台添加在结构树中
! g: P3 w* ^; x) n; @9 z7 ]0 bspSpecObj->Update();
- U- P4 G* B1 s+ h" t( yCATIGSMProceduralView_var ispProcView = spSpecObj;
1 y( D: W; ]+ `& G: q7 y1 Iif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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