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;
8 r, V9 V$ r3 }5 J& `; TCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
) `* S6 z' I; r0 O: Q! u. h- wpDoc = _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

! U3 I2 R7 h! e' R5 `CATIPrtContainer * piPrtCont =
' Y+ N' m' x3 @* J- `6 s% K(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
- j2 h' D  t# ~9 q) E% XCATIPrtPart_var spPart = piPrtCont->GetPart();

( C8 C6 J% o' `1 V- `1 l创建草图
//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
1 ^" q3 Q0 D) w$ K* B! I% E0 ?9 V//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

! T- H1 U* i: t( o- @创建草图几何
& e- B0 r9 K6 t  K* |' D7 Z//首先声明编辑草图
: g/ R* D, h/ }0 e5 k6 Z( BspSketch->OpenEdition();
. k5 y5 F6 G. N1 z  q9 ~8 jCATI2DWFFactory_var sp2DFactory(spSketch);
2 N% n% R: ?4 _//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);
5 o5 K, P7 Y: tspCurveOnLine->GetStartPoint();
, Y% x" _- S1 }* ^% D# IspCurveOnLine->GetEndPoint();
" W: Z6 a. T, f- Z6 ~//然后退出草图：
spSketch->CloseEdition();
/ J. O3 w. Y% L' ?, S

创建约束
CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
  ?: A; T2 r1 F9 a9 L7 TspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
9 {' B! K2 k; V0 E% N9 w# j  G//定义spLine1 与坐标原点的同心约束
5 g, G- T1 _* P7 K. ]1 qCATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

, s5 e9 ~3 h8 x, N2 VspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


6 O. t. z/ s7 R# y创建凸台
// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
! j: q& I2 q. I, @7 I//圆柱的轴向方向为Z 轴方向
; \. r8 A" H3 LCATMathDirection dirZ(0., 0., 1.);
# r8 d4 W4 _7 @//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
& m5 Q; I8 }  d) E3 U# HCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
  b. Z3 A8 i, R6 F- YCATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
  v3 M% D! C2 H+ E& O- c7 YspPadOnSpecObj->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);
//设置凸台第二限制类型
8 z$ X. j0 b4 V  G3 b8 rspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}