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
; @, S7 Z+ X; D4 }, m) j/ ?CATDocument * pDoc= NULL;
- J1 L& I% w: K+ j; G- _CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
9 I8 N- V  i, A( e3 k& G" G% apDoc = _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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  g4 R; b: T% V  b* lCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
. }# P, U; n9 j3 u3 vCATIPrtPart_var spPart = piPrtCont->GetPart();

创建草图
//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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创建草图几何
% q% J0 H/ j0 [! d/ V//首先声明编辑草图
+ j1 _; q; @1 l7 i6 o7 c7 uspSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
2 C( ^' I" G7 L9 q//这里表示圆心点
7 n5 A# T: ~% {% ?& g4 d  ?double iPoint[2] = {0.,0.};
//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
% q# j7 |" L6 x7 espCurveOnLine->GetStartPoint();
7 i7 V% |. R: w5 q9 o* H  fspCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();
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1 x5 e: O; i, N1 w% T创建约束
  R  j; }) y7 L' X# k# v# xCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
5 A2 r) @( I9 M: o6 }! D; y//定义spLine1 的半径约束
  L6 K' U7 b/ I1 }! I5 ^* RspConstraint2DFactory->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;
spSketch->GetAbsolute2DAxis(spSupport);
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spConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
( ^+ s9 q9 o5 O1 a// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
' I- z/ r% r4 L8 ?& m% Cdouble secondLimit = 0.;
//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
, t! ^9 g, H2 N* r  O//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
1 C7 D1 V) ^: u//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
# o, g0 s% Y; c3 ?spPadOnSpecObj->ModifyEndType(catOffsetLimit);
$ ?1 f  H* l  V" n$ h; a+ ]//设置凸台的高度
" ?8 T* e* E+ P2 GspPadOnSpecObj->ModifyEndOffset(firstLimit);
& v* q( f6 }8 n+ Z" i; |3 l//设置凸台第二限制类型
( h4 v6 ^. q" k! k+ Z) H* P3 _* aspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
6 d: d) z7 |. \' G8 h8 `4 _' J) q6 p//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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