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CATIA二次开发入门教程---21 创建草图几何图形$ `1 c6 B  ]8 \+ g. {& p
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 + w$ q8 |" B8 @& N( z) P9 H[mw_shl_code=c,true]////////获得Editor、Document、Container、设置GSMFactory5 b- L! X+ G* ]$ J1 _- S# k" \' M1 G
 CATFrmEditor* pEditor = CATFrmEditor::GeTCurrentEditor();  f" N9 }& C3 B" }. o
 CATDocument *pDoc = pEditor->GetDocument();0 w, u1 e; C1 k. J$ H
 CATIContainerOfDocument_var spConODocs = pDoc;
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 CATIContainer*            pContainer;                //Container
 ; S. C$ _3 }' Q9 Y        CATIPrtContainer*     pPrtContainer;//PartContainer
 5 G7 R: l- K- e4 I, v        CATIGSMFactory_var        spGSMFactory;                //GSM工厂
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 CATIPrtPart_var        spPrt   ;//
 0 v) P2 a7 s' P% k& q        HRESULT hr = spConODocs->GetSpecContainer(pContainer);//获取Container1 F2 x3 f% f5 ~. a0 ^
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 hr =pContainer->QueryInterface(IID_CATIPrtContainer,(void **)&pPrtContainer);//获取PrtContainer% E9 H6 \# q4 ^1 n4 L8 {% p3 n# |
 spPrt = pPrtContainer->GetPart();8 b8 m2 T% ^" S4 _, a9 C
 CATListValCATISpecObject_var spListRefPlanes = spPrt->GetReferencePlanes();//获取3个参考平面- R2 n* v: W, K' x
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 CATISpecObject_var spSketchPlane = spListRefPlanes[3];//第三个平面' ^* v( ?4 E( c/ K7 E, J
 CATISketchFactory_var spSketchFactOnPrtCont(pPrtContainer);//草图工厂
 0 t- P# k$ r( @; C1 t        CATISketch_var spSketch = spSketchFactOnPrtCont->CreateSketch( spSketchPlane );        //创建草图
 4 z) X: y- {. x; x        CATI2DWFFactory_var spWF2DFactOnSketch(spSketch);" A3 U( |& h9 z0 P& c
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 spSketch->OpenEdition();        //进入草图开始绘图  @9 X; S- A. L- W7 J
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 double p1[2]   = {0,0};# o8 `+ W& {( `
 double p2[2]   = {100,0};; V! h2 s8 c8 y! ?
 double p3[2]   = {100,100};+ v  z% I5 z& k
 double p4[2]   = {0,100};
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 6 p% h8 d2 |, O8 X' X: h   CATI2DPoint_var spP1,spP2,spP3,spP4;
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 spP1 = spWF2DFactOnSketch->CreatePoint(p1);
 7 r- V7 p+ L3 _$ T  o9 \$ JspP2 = spWF2DFactOnSketch->CreatePoint(p2);: n  i+ V. C( n; a0 c6 T/ c
 spP3 = spWF2DFactOnSketch->CreatePoint(p3);
 ) W" ]7 x, g% e6 DspP4 = spWF2DFactOnSketch->CreatePoint(p4);
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 7 p: u6 |& n3 ~6 H* YCATI2DLine_var spLine1 = spWF2DFactOnSketch->CreateLine(p1,p2);6 p; U% R' }5 H+ G, z
 CATI2DLine_var spLine2 = spWF2DFactOnSketch->CreateLine(p2,p3);
 5 D6 R- K. e- O- VCATI2DLine_var spLine3= spWF2DFactOnSketch->CreateLine(p3,p4);  C3 G/ b% L& @
 CATI2DLine_var spLine4 = spWF2DFactOnSketch->CreateLine(p4,p1);
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 6 _8 s: [+ m" h/ d/ w8 O# A0 Q0 ^CATI2DCurve_var spCurve1,spCurve2,spCurve3,spCurve4;
 2 L: D' D1 a0 Q* k# AspCurve1 = spLine1;% F. I5 O! C0 Z  c
 spCurve2 = spLine2;, O/ j* H- g. M5 ?4 L
 spCurve3 = spLine3;
 ; Y7 k, i$ ]1 Y/ BspCurve4 = spLine4;
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 spCurve1->SetStartPoint(spP1);" V8 ~7 K* f, A+ @" _2 t% _- M7 \
 spCurve1->SetEndPoint(spP2);8 ~5 G- Z7 a0 K
 spCurve2->SetStartPoint(spP2);
 . s$ k* _, O: |8 @- T7 IspCurve2->SetEndPoint(spP3);7 z. b; C5 S) H) N8 f2 V
 spCurve3->SetStartPoint(spP3);' @4 e! ?* Y5 x1 [8 T0 W2 Z
 spCurve3->SetEndPoint(spP4);
 + B! q% q3 w! @  EspCurve4->SetStartPoint(spP4);
 0 K1 _! M& a$ D7 S% F$ Z5 }spCurve4->SetEndPoint(spP1);+ p0 z/ q' ?. S  S
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 ! N$ h" ^* e/ h( k/ r$ C! V2 p. i  spSketch->CloseEdition(); //退出草图
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 CATISpecObject_var spObject = spSketch;9 o( j3 t4 m. n1 D3 u/ n) ^7 ?
 spObject->Update();: k6 u9 {% H$ c% J% ]
 [/mw_shl_code]
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