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;
$ L7 A4 ~0 h( Q! L4 Q0 ^, mCATFrmEditor * _pEditor = CATFrmEditor::GeTCurrentEditor();
/ t5 R7 Z; A3 D1 h+ ?pDoc = _pEditor->GetDocument();//这里得到了PART 环境下的文档指针
! b0 A4 s) H' `; `CATInit_var spInitOnDoc(pDoc);
// 得到零件根容器
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CATIPrtContainer * piPrtCont =
1 m( w( l( ~# [. J(CATIPrtContainer*) spInitOnDoc->GetRootContainer("CATIPrtContainer");
// 得到零件指针
# [/ ~6 a' e$ a4 e) b& E6 s" N) `CATIPrtPart_var spPart = piPrtCont->GetPart();
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0 ?: G/ {* _  H& T. x  W3 U$ p' ^7 k创建草图
% m/ b& c" X! Y//初始化草图工厂
CATISketchFactory_var spSketchFactory(piPrtCont);
//在XY plane 上创建草图
# B% S$ r# \! MCATISketch_var spSketch = spSketchFactory->CreateSketch(spRefPlanes[1]));

创建草图几何
//首先声明编辑草图
4 d% R$ G. K# C3 C5 yspSketch->OpenEdition();
CATI2DWFFactory_var sp2DFactory(spSketch);
' C4 j9 W' l# Q( p6 v$ V& E) B//这里表示圆心点
7 T' N# _5 B8 F) M4 b5 v* ]double iPoint[2] = {0.,0.};
//下面创建圆圈
' x) _5 Y: R$ RCATISpecObject_var spLine = spSketch ->CreateCircle(iPoint,_Editor003->GetFloatValue());
( [9 x- F/ O! _$ p) l; G: B3 GCATI2DCurve_var spCurveOnLine(spLine);
spCurveOnLine->GetStartPoint();
4 w1 Z8 C! P3 l/ Y6 v- g4 m9 YspCurveOnLine->GetEndPoint();
9 O7 i/ c* O) f, E- R//然后退出草图：
3 R* ~) k4 m5 {  ~/ Z6 A1 o; U$ F' ispSketch->CloseEdition();
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创建约束
CATI2DConstraintFactory_var spConstraint2DFactory(spSketch);
' C, r+ d! I" K/ z, g$ E/ d. X//定义spLine1 的半径约束
spConstraint2DFactory->CreateConstraint(spLine, NULL, NULL, NULL, NULL, NULL,
NULL, Cst2DType_Radius, 0, 0 );
; q+ Q/ d. o( r! T2 H$ H9 H//定义spLine1 与坐标原点的同心约束
CATI2DAxis_var spSupport = NULL_var;
" b5 v+ R# Y' C' }spSketch->GetAbsolute2DAxis(spSupport);

- }0 M4 [/ m6 d7 Y! o: AspConstraint2DFactory->CreateConstraint(spLine, NULL, spSupport->GetOriginPoint(),
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
double firstLimit = _Editor004->GetFloatValue();
double secondLimit = 0.;
# q* n" J4 I2 L& z0 D; v//圆柱的轴向方向为Z 轴方向
8 K6 g5 ^& z7 K1 Y0 dCATMathDirection dirZ(0., 0., 1.);
//初始化零件工厂
5 G7 F: Z4 k# iCATIPrtFactory_var spPrtFactOnPrtCont(piPrtCont);
  ?, g0 T& X* C7 F5 @//创建凸台
' G( b/ R0 c( y4 U# k- hCATISpecObject_var spSpecObj = spPrtFactOnPrtCont->CreatePad(spSketch);
& J: }, G2 R- t. ]( UCATIPad_var spPadOnSpecObj(spSpecObj);
& n& W% T; I. S7 m7 O//设置拉伸方向
spPadOnSpecObj->ModifyDirection(dirZ);
& X% P8 W9 {: }" O1 P  O+ K/ G* n//设置凸台第一限制类型
spPadOnSpecObj->ModifyEndType(catOffsetLimit);
//设置凸台的高度
5 y6 V, N2 \+ L- l9 [spPadOnSpecObj->ModifyEndOffset(firstLimit);
% Z9 a9 I; _: y0 I; F$ z//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
spSpecObj->Update();
CATIGSMProceduralView_var ispProcView = spSpecObj;
# p5 u/ \4 O4 X) |  W7 Sif (NULL_var != ispProcView ) {HResult rc = ispProcView ->InsertInProceduralView();}
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