NX二次开发培训源码分享： 通过选择指定特征，修改特征...

admin

5 e# ?* A; q2 a+ n3 N2 W3 i  q' t

创建一个选择feature的功能，当用户选择的是sphere的时候，让用户选择更改球的直径！

Session *theSession = Session::GetSession();
, K0 f! o0 S6 U" s2 A3 I) y        UI         *theUI = UI        ::GetUI();
        Part *workPart (theSession->Parts()->Work());
3 O5 E, r. f/ ^6 Z3 x0 w/ ~
        // initialize the select
) L. r* o  C0 c9 Q( R( R        std::vector <Selection::MaskTriple> masks(1);
, s9 C7 z1 D$ }$ j        Selection::MaskTriple mask;
5 O! a  ]2 z1 ^1 E/ y) O" R+ O1 {        mask.Type=UF_feature_type;
9 u* u9 f4 L/ X9 t' W( H6 @        mask.Subtype =0;
        mask.SolidBodySubtype=0;
7 ^9 B: g# {0 w9 e) }, c6 K6 r1 }        masks.push_back(mask);
        //masks[0] = {{UF_feature_type,0,0}};
        TaggedObject *object;
" f7 P, _" t) o9 Y( B! c+ `3 f        std::stringstream ss;
" G4 T- ^8 K9 |6 G) r        Point3d cursor;
( r5 q7 @, K! Z& O6 l3 ]) {1 e        Selection::SelectionScope scope =  Selection::SelectionScopeUseDefault;
        Selection::SelectionAction action = Selection::SelectionActionClearAndEnableSpecific;
        Selection::Response res;
3 \+ i( f, V3 ]; R5 |4 Z        Features::Feature * getFeature = NULL;
        res = theUI->SelectionManager()->SelectTaggedObject("select a feature:","feature select",scope,action,false,false,masks,&object,&cursor);
        if(res == Selection::ResponseObjectSelected || res == Selection::ResponseObjectSelectedByName)
                {
  |3 q2 b9 ?' c9 }                        // get the information
( F4 x( k3 ]4 E' X                         getFeature = dynamic_cast<Features::Feature *>(object);

$ H: z  k) E; Z, q          theSession->ListingWindow()->WriteLine("the select feature type is : " +getFeature->FeatureType() + "\n");

. R7 [, d; T  I9 x                 if (!strcmp(getFeature->FeatureType().GetUTF8Text(),"SPHERE"))
0 _$ J+ N7 B' e% M+ W. S9 T                 {
" @& V% n. u! j' ?                         Features::Sphere *getSphere = dynamic_cast<Features::Sphere *>(getFeature);
! p5 i6 D" @, j6 p" E                         std::vector<Expression *> exp =  getSphere->GetExpressions();
7 J* I6 i, {( S( b: `                         ss << exp.size() <<endl;
                         theSession->ListingWindow()->WriteLine("the expression number is : "  + ss.str() );
                         for(unsigned int i =0 ; i< exp.size();i++)
: q$ J. w* K7 r5 u- [; V                         {   
) r9 k2 `5 q  h* o3 t0 p& Q                                  theSession->ListingWindow()->WriteLine("The expressions are : " + exp[i]->Equation()+"\n");
                         }
4 u' |* K# K7 D( h1 P9 M$ l                         Session::UndoMarkId undomark = theSession->SetUndoMark(Session::MarkVisibilityVisible,"change the exp");
                         exp[0]->SetRightHandSide("400");
; z! T7 t2 |& m0 q7 m) o                         theSession->UpdateManager()->DoUpdate(undomark);
, t! a+ a  ^4 _, q1 E                         theSession->ListingWindow()->WriteLine("The expressions are : " + exp[0]->Equation()+"\n");
8 Y! M- e  |* O* Q. T                 }
          }

9 D' T" `' s% ]) u  ]; E0 o, S$ s/ [