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
, g% v) |: |, x  B// 获得文件指针
CATDocument * pDoc= NULL;
% i7 x+ [" e0 j. NCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
$ v6 ?7 U) Z; D  Q, QpDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
. {" h; c* e) `CATInit_var spInitOnDoc(pDoc);
5 _5 I  c1 Z# O' G/ e/ U// 得到零件根容器

5 U' Z+ L& @2 G6 O, {CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
  }; X. n0 h1 w& @* f( CCATIPrtPart_var spPart = piPrtCont->GetPart();
5 x# ^/ p; e7 S7 e
创建草图
//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
+ P# d! g! Q8 |6 a; o$ HCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
& c6 y* _) _0 f1 J8 w/ o- o: h//首先声明编辑草图
spSketch->OpenEdition();
1 k) Z( Z' E2 k! F8 l3 n0 eCATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
8 M4 A8 e/ V# @+ ?double iPoint[2] = {0.,0.};
//下面创建圆圈
' y+ Q/ i! k5 f9 T, MCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
/ f- y- C  N# r$ VCATI2DCurve_var spCurveOnLine(spLine);
3 P) ^4 {  b9 ^, H% T$ m+ L0 [spCurveOnLine->GetStartPoint();
( \4 I! \& T, R- CspCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();
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创建约束
& ~, b/ Y3 S5 I8 M/ z$ HCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
2 ~! h+ v' @+ a# ]0 ?//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
* H9 U4 ~( x2 g  N0 ]CATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

( A2 l* u5 x! W( |1 q) o5 zspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
8 m) L4 ^. I' XNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
* @& |) n! L9 J; Adouble secondLimit = 0.;
. \% D5 {- @4 Y* V8 a9 X1 C$ ~//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
4 x! L, F6 C! w1 `. ]8 z$ J+ \//初始化零件工厂
/ ^7 n4 D9 V! q! ^8 f  wCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
0 e- W# p' W7 A- R( k0 q% `//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
& ^8 @! d& i9 z& z2 o//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
8 ?2 z; }, Y$ k+ m5 G  f9 ospPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
5 q, E7 X# G5 V1 Y//设置凸台第二限制类型
2 _  C+ \5 f5 S* ?9 l, \spPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
9 n) j; S( t" p" H, L6 H//将凸台添加在结构树中
& f7 w1 {5 R; ^: C+ S5 BspSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
; q* }9 W! M9 x/ p  ~9 t' p0 Kif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}