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
$ N+ q! Z& _2 {CATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
0 `' w4 _/ \4 X* DpDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
; y. f( z0 U- g9 ICATInit_var spInitOnDoc(pDoc);
& z# l! ^7 c# L( ^6 b% T$ T4 O// 得到零件根容器
- k) V/ f) N! e) Z: b( @. E/ r
5 T, L' O% D" Q) `, z) E( X8 OCATIPrtContainer * piPrtCont =
; u( {  |* B; C" n; x" q$ ^# V(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
1 p1 }9 O+ D. d% l1 P, }! ?7 rCATIPrtPart_var spPart = piPrtCont->GetPart();
, Z1 w  s' R5 H. c! F" R% j( O
' u0 ~* P; D( Y7 i# [创建草图
//初始化草图工厂
7 z4 y7 B3 }9 s; S0 @  HCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
7 |$ c, o$ z: m: N5 P2 k' aCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

) C, T+ T! F' _$ B8 W" {$ v' N3 Q3 w创建草图几何
9 y7 [* f( R' V6 D1 E8 D8 T/ v% }9 {//首先声明编辑草图
spSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
/ ?0 w6 }+ F: m2 K, G  ^//这里表示圆心点
" K: i+ `6 ^5 ]2 l4 O% xdouble iPoint[2] = {0.,0.};
//下面创建圆圈
4 ]; m! {& R% W' I  N# p$ ACATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
: r) [, I: H1 w' {6 O. cspCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();


创建约束
+ {( [9 d5 d* l; N5 f! r8 r- oCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
3 t" U1 \8 e! m4 d' G' l* p//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
. x, V& c. h+ R; t6 J" uCATI2DAxis_var spSupport = NULL_var;
! K6 n$ F& i5 [% q. v  L0 m7 `spSketch->GetAbsolute2DAxis(spSupport);

! M" k5 `" _& P: d  zspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
& o8 }% `" J; E$ t# M( rNULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
// 从编辑框中获得援助的高度
" l# S; k. P! z7 G: x+ y! s5 Zdouble firstLimit = _Editor004->GetFloatValue();
0 H& T5 A6 c8 A2 adouble 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
) y0 b4 ?( ?4 |: f% FCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
- N, p3 B5 R- O1 v//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
/ L8 O( n' d/ K7 w/ g- gspPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
! U6 M( |$ `. @- qspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
6 |# Y2 O) z' e+ E- c$ j% k4 B3 r//将凸台添加在结构树中
* k8 W, s! y" C9 w0 JspSpecObj->Update();
: [" B2 {  g2 }* }  eCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}