NX二次开发培训源码分享： 通过选择指定特征，修改特征...

admin

+ q. C4 }) {$ V! Y$ g7 Z
  ^& i) w' O" J: X% W( }: 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();
2 M. P6 f3 g; L$ C        UI         *theUI = UI        ::GetUI();
        Part *workPart (theSession->Parts()->Work());

        // initialize the select
$ g  f( S) x/ r+ |6 O: ~        std::vector <Selection::MaskTriple> masks(1);
, I+ ^- n! \' L, O( R' e8 \        Selection::MaskTriple mask;
        mask.Type=UF_feature_type;
        mask.Subtype =0;
6 r. `; E$ K7 A% Y$ y/ m/ X3 g        mask.SolidBodySubtype=0;
        masks.push_back(mask);
        //masks[0] = {{UF_feature_type,0,0}};
+ W3 ~+ ^$ e* K2 L        TaggedObject *object;
9 a. l! ?; P& [/ W2 V        std::stringstream ss;
        Point3d cursor;
        Selection::SelectionScope scope =  Selection::SelectionScopeUseDefault;
0 p. A8 r- f; M8 m        Selection::SelectionAction action = Selection::SelectionActionClearAndEnableSpecific;
        Selection::Response res;
        Features::Feature * getFeature = NULL;
5 h- l5 \$ n0 h3 i7 c! ?        res = theUI->SelectionManager()->SelectTaggedObject("select a feature:","feature select",scope,action,false,false,masks,&object,&cursor);
3 }( h: L, Q/ t' |' B2 s        if(res == Selection::ResponseObjectSelected || res == Selection::ResponseObjectSelectedByName)
% e. ~) V' W3 l6 O                {
                        // get the information
' v; |0 }; V5 O! X4 E6 F                         getFeature = dynamic_cast<Features::Feature *>(object);

          theSession->ListingWindow()->WriteLine("the select feature type is : " +getFeature->FeatureType() + "\n");

6 _* G6 s# _/ ], P) r                 if (!strcmp(getFeature->FeatureType().GetUTF8Text(),"SPHERE"))
# ^. X3 {& b$ Q0 t3 \                 {
. ?1 x3 W! Z+ Q- v9 u                         Features::Sphere *getSphere = dynamic_cast<Features::Sphere *>(getFeature);
                         std::vector<Expression *> exp =  getSphere->GetExpressions();
                         ss << exp.size() <<endl;
                         theSession->ListingWindow()->WriteLine("the expression number is : "  + ss.str() );
                         for(unsigned int i =0 ; i< exp.size();i++)
+ V  w7 [3 u" h+ ^  T                         {   
                                  theSession->ListingWindow()->WriteLine("The expressions are : " + exp[i]->Equation()+"\n");
                         }
9 W! k5 r9 z: ]3 D  J, O                         Session::UndoMarkId undomark = theSession->SetUndoMark(Session::MarkVisibilityVisible,"change the exp");
" l) v& i8 q+ q                         exp[0]->SetRightHandSide("400");
, T9 y4 R; k; v  e* M0 E' L                         theSession->UpdateManager()->DoUpdate(undomark);
5 ~7 V" `# T, G3 G: H! l- g  v/ W                         theSession->ListingWindow()->WriteLine("The expressions are : " + exp[0]->Equation()+"\n");
                 }
          }
9 p4 e# H/ J5 V' ~% t; }