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
7 b5 R. C5 [5 y7 g1 OCATDocument * pDoc= NULL;
. }3 k+ d, s# A7 d9 C2 |CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
- `, U' Q5 I3 v3 hCATInit_var spInitOnDoc(pDoc);
// 得到零件根容器
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3 n3 }% D8 h% z% ?2 o6 J# i1 bCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
+ F# Q8 D! P$ ~. ?4 L* S- KCATIPrtPart_var spPart = piPrtCont->GetPart();
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/ y3 H/ P. M: O创建草图
" y4 _( n8 |) @- k1 g* i//初始化草图工厂
1 H& ~, m+ g. y9 t# y* lCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
8 K1 d! T; d  R3 y: B# YCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
' }3 j" {! h; I* [//首先声明编辑草图
9 Q+ J& _% j4 P1 @$ T, m% r4 Z! `: ospSketch->OpenEdition();
, e" \: r* k: _5 g8 sCATI2DWFFactory_var sp2DFactory(spSketch);
# W# z& I5 M0 ^4 W& x. J//这里表示圆心点
/ _* o% g/ N9 j: B, i: Xdouble iPoint[2] = {0.,0.};
8 r3 n' j. F& p& w. M2 u//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
2 h  Z5 L, z1 X: P/ g; D+ pCATI2DCurve_var spCurveOnLine(spLine);
; K4 f- g3 s" `1 ?) C, k1 qspCurveOnLine->GetStartPoint();
. _" z& u4 J$ s9 uspCurveOnLine->GetEndPoint();
, }9 ~5 Z, V! U& `* C//然后退出草图：
spSketch->CloseEdition();
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创建约束
; e+ h. S/ T" K. u- P: V7 VCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
7 X! m+ J1 b  ?. U' lNULL, Cst2DType_Radius, 0, 0 );
0 A9 m* z. o/ U//定义spLine1 与坐标原点的同心约束
9 b( k2 {' r: OCATI2DAxis_var spSupport = NULL_var;
* s; `* T5 B  L" Q3 E7 L. u2 C! cspSketch->GetAbsolute2DAxis(spSupport);
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) l# K  |9 r' \" {/ l6 i1 V! espConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
: }- q, O% D9 zNULL, 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
0 w; V, c/ l1 f6 o8 {4 Zdouble 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
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
6 z# R$ Y/ `5 B6 Y8 [//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
0 h8 C. g+ D# a+ I. `$ a" M9 M1 xCATIPad_var spPadOnSpecObj(spSpecObj);
9 Q, t+ }! `3 V; N2 Z& d( |, g! T//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
$ z2 X3 F- s+ @, a5 a//设置凸台第一限制类型
- S5 c4 Y3 h6 B" s1 S. J# ?+ {spPadOnSpecObj->ModifyEndType(catOffsetLimit);
- V8 y- b8 a; ~9 h. j. I$ N9 S, r//设置凸台的高度
% [8 n( P' x/ g2 C5 EspPadOnSpecObj->ModifyEndOffset(firstLimit);
0 @0 [. y/ @# S9 K; e' D//设置凸台第二限制类型
spPadOnSpecObj->ModifyStartType(catOffsetLimit);
, t* V2 U; C% E' RspPadOnSpecObj->ModifyStartOffset(secondLimit);
5 ?( Q# U+ _+ G//将凸台添加在结构树中
# u+ P7 U3 o6 c5 @( H8 i8 RspSpecObj->Update();
+ J& t, r) n" xCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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