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;
! `) s3 q1 c9 Z8 ZCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
. ?! g: `8 l7 i6 K1 lpDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
CATInit_var spInitOnDoc(pDoc);
// 得到零件根容器

7 ~& D' r; `% s( p5 _4 d$ r  |CATIPrtContainer * piPrtCont =
(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
8 [( C# k5 M/ v// 得到零件指针
CATIPrtPart_var spPart = piPrtCont->GetPart();
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  J1 V1 i( l4 [9 P9 O5 Y创建草图
//初始化草图工厂
8 p% |( o/ d" @8 X+ W( uCATISketchFactory_var spSketchFactory(piPrtCont);
! n8 \: A5 E  _3 k/ O//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
1 P8 m4 V8 r* \, c8 j2 i6 H- OspSketch->OpenEdition();
" k" Q3 e* V$ L7 a) X* C5 ^; eCATI2DWFFactory_var sp2DFactory(spSketch);
2 f! X0 K) s, E- ~! W//这里表示圆心点
, s5 z" L! n; K! `. \. k0 {double iPoint[2] = {0.,0.};
; g) I* x" |8 E+ y2 R& k//下面创建圆圈
CATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
CATI2DCurve_var spCurveOnLine(spLine);
0 Z& e7 o' d% @$ `: ^. U7 JspCurveOnLine->GetStartPoint();
spCurveOnLine->GetEndPoint();
! l8 i$ Y6 v! b& Q" c1 y) Z1 K5 }* }5 D//然后退出草图：
% @) E; W& n1 x5 k8 }5 }& z# ?spSketch->CloseEdition();

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; h) t- Q+ p# r. M创建约束
) J/ q2 w1 }/ F; t  \+ R- VCATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
7 D6 C: U: j- A1 U. P8 w//定义spLine1 的半径约束
# H1 g" F- ]0 m5 JspConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
9 h  j% u; J3 WNULL, Cst2DType_Radius, 0, 0 );
# `) H. I4 x$ a6 }' B//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
3 O2 I/ t  p1 a" [& h1 _( Z% q6 aspSketch->GetAbsolute2DAxis(spSupport);
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3 ~3 ^/ Q9 t, w/ a2 X- tspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
: U# |0 }3 {4 e4 mNULL, 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
7 q( {0 z2 t: X$ T0 K5 f& Q7 jdouble firstLimit = _Editor004->GetFloatValue();
  E+ n* q7 j# S: l8 Udouble secondLimit = 0.;
//圆柱的轴向方向为Z 轴方向
CATMathDirection dirZ(0., 0., 1.);
4 \5 P3 s. y/ v; w, I//初始化零件工厂
CATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
//创建凸台
/ Q# `3 z4 f$ i7 u: xCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
CATIPad_var spPadOnSpecObj(spSpecObj);
//设置拉伸方向
& v) H. n9 {5 S3 }2 |  N" ]spPadOnSpecObj->ModifyDirection(dirZ);
6 C+ Q; L1 i  I$ s2 f: k: t//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
9 X/ r# C1 |4 V. V- G* g" z//设置凸台的高度
  z* E6 _7 X. l5 J7 h& A# UspPadOnSpecObj->ModifyEndOffset(firstLimit);
//设置凸台第二限制类型
! o' K% x/ b  AspPadOnSpecObj->ModifyStartType(catOffsetLimit);
spPadOnSpecObj->ModifyStartOffset(secondLimit);
//将凸台添加在结构树中
& l$ H" }# s1 Q' e: vspSpecObj->Update();
1 `* p' S# t1 a! q1 c9 ~9 pCATIGSMProceduralView_var ispProcView = spSpecObj;
if (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}

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