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;
4 B+ Z0 K  A: R5 T, p5 mCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
- m+ H& L$ [6 P& s- {# L$ yCATInit_var spInitOnDoc(pDoc);
1 w6 D, \. R4 W8 w& P// 得到零件根容器

/ V' i1 P9 |+ J% p: X/ N1 {% }CATIPrtContainer * piPrtCont =
( o5 O8 p. \1 k/ u+ d(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
/ K4 _7 _) c( n+ UCATIPrtPart_var spPart = piPrtCont->GetPart();

创建草图
//初始化草图工厂
; ]/ E1 x, D6 ^3 Y+ D3 UCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
//首先声明编辑草图
4 h2 X0 ?% ~6 ^# A; c$ HspSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
- m4 _$ o/ U3 A  K/ }3 ~+ D7 c) G6 E//这里表示圆心点
double iPoint[2] = {0.,0.};
0 F" B* A' u  u1 p//下面创建圆圈
6 k& A; V! ~9 y4 W, w9 RCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
2 A1 W1 e. }( ?' C3 }0 _# ^spCurveOnLine->GetStartPoint();
& r" c2 w2 N" ^6 UspCurveOnLine->GetEndPoint();
- Z* S  ~" p! p7 D- \//然后退出草图：
spSketch->CloseEdition();
; p8 [3 A3 P" \4 X$ L9 i1 V2 v) F8 X/ L

0 ~8 L. d7 L- H' F2 t( k创建约束
: I( Z+ x5 F  X/ MCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
% P( s) Z+ R6 k//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
# s1 C& J( B$ C% JNULL, Cst2DType_Radius, 0, 0 );
//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
; e+ X; b" W( C) a$ M! {  ispSketch->GetAbsolute2DAxis(spSupport);
# U, M* U3 P, W5 V3 y0 x- d
! h% v1 T- R5 U) JspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
; t6 H+ w+ T1 M% l  Q1 P7 S& CNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );

  A% q. H  ^4 |) O( h
创建凸台
// 从编辑框中获得援助的高度
% p1 A. C$ z  @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
1 [" M; z* `: ?; W  E4 |CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
+ a2 L$ y9 F1 T! L7 Q//创建凸台
. r3 `, l. |/ M: u+ _/ S% {+ c  a; yCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
# `7 L+ h9 U6 B- P2 ?CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
/ \! R1 \! W: y0 OspPadOnSpecObj->ModifyEndType(catOffsetLimit);
+ }( `3 a6 E0 f& r//设置凸台的高度
spPadOnSpecObj->ModifyEndOffset(firstLimit);
7 l1 @5 S+ t! u//设置凸台第二限制类型
( z4 r: X% U) bspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
/ A. m! N1 l# |) W8 Pif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
6 p7 I& i( _( O+ H6 C& S5 }/ {
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