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
; w3 x! E% n# {) e. i* r3 N" [CATDocument * pDoc= NULL;
CATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
$ m) l4 F7 g% k6 epDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
' g! g6 M# u" ?/ Q4 P// 得到零件根容器

& ~# T& \" W8 Y8 {4 N. XCATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
; \5 }! e2 g+ D1 I: T' E// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
& n2 W7 N( f+ r  {# f: [4 W/ p, v
创建草图
* n4 m9 M( q, n' I4 J# w! F//初始化草图工厂
# e7 w" i) f5 y- M( v4 KCATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

/ D* @3 t( _1 {% g* X# X创建草图几何
5 k' o# U# \* v//首先声明编辑草图
. C$ j- _/ L/ X/ b; |2 [spSketch->OpenEdition();
. S- _9 S9 H: d( d! o" c* @# e1 BCATI2DWFFactory_var sp2DFactory(spSketch);
$ s7 a2 v. _8 n9 l: U0 o: a//这里表示圆心点
double iPoint[2] = {0.,0.};
//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
! R1 y' k4 S' tspCurveOnLine->GetStartPoint();
7 x( [) K; x( {7 nspCurveOnLine->GetEndPoint();
//然后退出草图：
spSketch->CloseEdition();


创建约束
1 }/ g& E3 L* HCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
//定义spLine1 的半径约束
" M, R0 n) ?7 h5 uspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
& N0 q4 l6 X' {5 p4 y//定义spLine1 与坐标原点的同心约束
* }8 o6 R' N5 `% O( a3 hCATI2DAxis_var spSupport = NULL_var;
* j  `4 |  b& ]- NspSketch->GetAbsolute2DAxis(spSupport);
( a" T4 _0 ?! z% {+ c
3 W' M/ G6 l0 y0 W! c' UspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
NULL, NULL, NULL, NULL, Cst2DType_Concentric, 0, 0 );


创建凸台
// 从编辑框中获得援助的高度
double firstLimit = _Editor004->GetFloatValue();
" B+ s% }" u# E2 b, E/ `double secondLimit = 0.;
& x" p( `* k" C1 S. ~//圆柱的轴向方向为Z 轴方向
0 |+ L3 [0 [8 `3 [: Q7 ~, E% PCATMathDirection dirZ(0., 0., 1.);
# m* q/ P1 t0 [! M//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
" B; x8 ~9 \5 F% X% TCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
! ~( l8 z! u& m& @% I( d& \CATIPad_var spPadOnSpecObj(spSpecObj);
) m3 ]5 g- d, o+ G//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
) Q6 [8 {; m9 ]7 ^4 |//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
9 P! F6 I: l( K0 u% r7 v0 e2 L: E//设置凸台的高度
" Q4 @; Y' I! V" S3 {4 WspPadOnSpecObj->ModifyEndOffset(firstLimit);
- J+ k+ A# n* ^& P. c1 {//设置凸台第二限制类型
spPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
3 \1 ^! ~) c5 B( m2 H9 m' aspSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
8 }5 e6 y0 Q6 S% \if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}