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;
* x1 `; o2 C+ {& JCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
! \7 Y1 @4 ^; S  ~! I  Q/ M- q// 得到零件根容器
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! v: C5 X0 O+ o) Z3 [$ n$ T) NCATIPrtContainer * piPrtCont =
5 {: i3 L0 Z9 [  i(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
/ ]( i/ v; Y( f, s9 |6 dCATIPrtPart_var spPart = piPrtCont->GetPart();

) G8 Q9 m2 \. X) d创建草图
# O4 j/ V, [. n; V5 R6 y+ k//初始化草图工厂
3 ~9 I. r7 Q* s& \CATISketchFactory_var spSketchFactory(piPrtCont);
! }% Y" Z# N; F/ G//在XY plane 上创建草图
% |3 d* Z# `; p, {CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));
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" ?0 x& ~5 d, W# b4 E8 Q; x% `# t! D创建草图几何
% k! }& ?. ~3 E% ]//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.};
$ |3 e: R$ i3 f! W9 z( N' a$ \% A//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
/ B; P5 z- @7 t9 A$ N- l& @+ V' |spCurveOnLine->GetStartPoint();
& {" B% J& q) Z5 U( \) z! wspCurveOnLine->GetEndPoint();
0 I( I7 b8 Y- x//然后退出草图：
spSketch->CloseEdition();
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创建约束
2 `+ v1 [+ p4 t! b6 |CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
, j) b1 ]/ v) B& mNULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
0 V, Q  D+ y4 e- Y4 {9 Z1 ]CATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);
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. [& I& U, y3 K  x; K0 J$ `& dspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
0 P0 a/ L2 ?+ o. |NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );

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创建凸台
  j* d' J+ n$ U& {+ Y  c/ X8 u; J// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
//圆柱的轴向方向为Z 轴方向
4 A/ A# b$ t+ E2 tCATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
  A- F! u7 l7 @1 y5 w5 }CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
* \" ^# X3 Q& \* q- p# M4 s//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
7 U1 O5 m' d4 A( C; B//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
spPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
7 s& X/ [9 ~7 v$ `//将凸台添加在结构树中
spSpecObj->Update();
& p- m; `  b* Y0 N; S% ^- K! mCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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