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
# I% C8 L, E* Y; \! K* FCATDocument * pDoc= NULL;
; s, R+ ]0 I) @5 n/ u! Q" y; yCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
; @, {1 U: s' _# F: T! \- U6 H: [pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
8 n* o3 D1 o, Q' q, _( K* ^6 fCATInit_var spInitOnDoc(pDoc);
// 得到零件根容器
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CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
8 U& ~& Q3 ]+ U) p& t// 得到零件指针
# R. S3 |- e8 U5 \" {% P# ]CATIPrtPart_var spPart = piPrtCont->GetPart();
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创建草图
//初始化草图工厂
# |+ L) J# ?- G: h/ YCATISketchFactory_var spSketchFactory(piPrtCont);
9 {. q) p  m7 h; u//在XY plane 上创建草图
( i2 k' {9 \' }" T" H# ~CATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
//首先声明编辑草图
9 c( W8 Z! B) @! {spSketch->OpenEdition();
: T$ a! s2 b5 r' m+ {CATI2DWFFactory_var sp2DFactory(spSketch);
//这里表示圆心点
7 w  W6 t. [* j# vdouble iPoint[2] = {0.,0.};
+ ~7 U, o  Y1 U9 M2 |//下面创建圆圈
4 e4 ]4 _3 u: o) kCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
. ~& I1 \1 P9 n) `. L1 dCATI2DCurve_var spCurveOnLine(spLine);
! O" z7 F5 A* X6 S( b* mspCurveOnLine->GetStartPoint();
& Y" l8 h8 y5 V( p$ \spCurveOnLine->GetEndPoint();
! M( R1 ?' b! I9 f//然后退出草图：
& X% F) X1 |8 z) yspSketch->CloseEdition();
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( h+ V$ d7 i5 Y, ]6 c1 s2 h7 W- ~创建约束
CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
# M/ ?) i' g/ C' _0 G. C# ^# x' m//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
: s4 S+ b: P* L4 _CATI2DAxis_var spSupport = NULL_var;
spSketch->GetAbsolute2DAxis(spSupport);

, g; j7 u. P0 ~/ h( rspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
/ v7 a' T9 e  N# F/ |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
% q8 c6 o" [+ P- mdouble firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
5 w) B. y1 _- z% M  O! p9 I- P* s//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
' P- p( T( M" @8 e//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
( d& F4 Q( `( j& H: l! T1 k//创建凸台
CATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
( i6 H( b7 x; t! J# W* N. y/ ACATIPad_var spPadOnSpecObj(spSpecObj);
//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
# b$ ~$ t5 ^& c) pspPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
+ b; _5 _0 K9 z* R4 Q* s4 sspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
/ P: K( l4 Q) k3 kspSpecObj->Update();
, p: B: I+ V6 ?  UCATIGSMProceduralView_var ispProcView = spSpecObj;
; K0 Z" {6 g: J' aif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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