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
; V& t7 l: i1 Q! a// 获得文件指针
  {( H7 ~( `/ @" N' H# \6 R& YCATDocument * pDoc= NULL;
. ]. R  d* ]) v- OCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
7 ]  q, ~  A  x; l2 epDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
7 h; T# e, p9 i# d6 k* }6 r1 ICATInit_var spInitOnDoc(pDoc);
/ }4 J% F( [6 k0 Z4 g" b// 得到零件根容器

CATIPrtContainer * piPrtCont =
$ z! P% b" b# [# S(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
* X* y3 }" h- _7 c! g  g  S- K/ w+ U// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
//初始化草图工厂
* e! Z/ `/ e# i$ C$ VCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
- |) \" J; y. g- t1 h4 L) ]CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

+ c9 b$ R# {( |, F3 x3 m创建草图几何
2 d7 e0 j( x1 ?$ T+ h9 b//首先声明编辑草图
3 X2 N; W1 G# n* }: \spSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
7 f  Z' p. i/ l, B4 T( E' bdouble iPoint[2] = {0.,0.};
//下面创建圆圈
. `- c- ]. a% \/ p; q1 UCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
* x7 w/ @5 e+ L/ {$ H7 M/ w0 ispCurveOnLine->GetStartPoint();
" C' C$ j* s- O1 \8 s# g# ^: MspCurveOnLine->GetEndPoint();
$ a( r0 t. F) Q0 a" A3 E9 j//然后退出草图：
7 F4 C4 v2 Z/ L: V3 f0 CspSketch->CloseEdition();

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, O; j+ J! q$ f6 p创建约束
3 |4 u7 z2 u9 E' ~! a0 ICATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
+ X6 d7 I! B0 q$ _3 ?- lNULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
* {( c: }* X  N, CCATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

7 d9 V" Q4 y; W$ }5 o. D% LspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
$ ~% X5 L+ R" r6 T( ~% T* `NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );
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创建凸台
// 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
CATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
' o) T5 i! W; @$ v4 VCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
4 B4 O& w# I/ r1 N5 cCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
1 o7 f9 g. s; Q) w3 rCATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
3 Q1 I8 A: {$ I8 }: v- N, Q) u3 b# `spPadOnSpecObj->ModifyDirection(dirZ);
8 r' ?- z% h: `//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
/ n2 W. E- o8 w& ^+ f  K& m- x2 tspPadOnSpecObj->ModifyEndOffset(firstLimit);
+ V: Y7 f$ ~0 x& r//设置凸台第二限制类型
; t3 w! B. ]5 ~spPadOnSpecObj->ModifyStartType(catOffsetLimit);
" Q  M' y. A% i4 c' W1 vspPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
spSpecObj->Update();
, T. ]8 L1 w! R3 NCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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