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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！% i O# N0 N) \3 z4 S: ?
1 i; o3 F" f, s% |! _* hSession *theSession = Session::GetSession();2 c [3 G7 a/ T$ `% J$ l, M
UI *theUI = UI ::GetUI();
: K. z2 G3 U6 z- s0 ` f Part *workPart (theSession->Parts()->Work());8 M( Z4 ?- Y t# E8 j1 {& `
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// initialize the select
, u5 M! |+ ^; A. U9 t* T' R std::vector <Selection::MaskTriple> masks(1);; P# P+ J. t/ ^8 l' H: \4 ~1 F
Selection::MaskTriple mask;
# x' k* H' z+ V F% l8 d mask.Type=UF_feature_type;) B$ Y; D, M: \: v9 L& K; d
mask.Subtype =0;" w* ?" Q, q2 D; M5 ^5 r. Y) o) X* \
mask.SolidBodySubtype=0;1 x/ {" t4 d; E$ V
masks.push_back(mask);
( w6 W5 h2 y% s //masks[0] = {{UF_feature_type,0,0}};
8 _1 J4 X- ~9 T5 f, v TaggedObject *object;
# p% g1 Q' Z& m1 ` \2 \! } std::stringstream ss;3 P* v8 U* S0 Y
Point3d cursor;. A% D8 p. j' O; R+ R3 \
Selection::SelectionScope scope = Selection::SelectionScopeUseDefault;9 S$ }1 R, P. r- q6 \- g
Selection::SelectionAction action = Selection::SelectionActionClearAndEnableSpecific;
. K$ R' g( D2 @0 P Selection::Response res;
; h2 O1 e1 y4 v4 m, O. `3 Z( ~ Features::Feature * getFeature = NULL;3 ]& N2 Y6 a( I' \. {4 T2 {
res = theUI->SelectionManager()->SelectTaggedObject("select a feature:","feature select",scope,action,false,false,masks,&object,&cursor);
; c* D% c/ d2 k5 P% } if(res == Selection::ResponseObjectSelected || res == Selection::ResponseObjectSelectedByName)
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// get the information
; U: u& A& f% A% h. w getFeature = dynamic_cast<Features::Feature *>(object);4 F6 o$ M/ [- L4 Q5 i; t
0 _- q* j5 N: B, G8 C theSession->ListingWindow()->WriteLine("the select feature type is : " +getFeature->FeatureType() + "\n");# ? D8 ?% I8 ]; H# [
" K; Q7 N H: R9 ~3 X' O" a if (!strcmp(getFeature->FeatureType().GetUTF8Text(),"SPHERE"))
8 g v9 w& b, @3 N8 _5 N3 r {
: q/ b7 s, A% f7 p Features::Sphere *getSphere = dynamic_cast<Features::Sphere *>(getFeature);# u4 h, Q4 U- _7 U9 }
std::vector<Expression *> exp = getSphere->GetExpressions();( X0 F% _9 W/ t
ss << exp.size() <<endl;- f& m1 T; P! C4 v) l+ a
theSession->ListingWindow()->WriteLine("the expression number is : " + ss.str() );' k( S( L8 v: f
for(unsigned int i =0 ; i< exp.size();i++)* f& j; u3 U: `+ y" ?$ G; o
{
( M" j5 d, }. S2 g- T theSession->ListingWindow()->WriteLine("The expressions are : " + exp[i]->Equation()+"\n");- j6 q+ l* `( o. i O, y! V
} b; E+ j' j+ p% V
Session::UndoMarkId undomark = theSession->SetUndoMark(Session::MarkVisibilityVisible,"change the exp");% |( `1 s8 ]3 k
exp[0]->SetRightHandSide("400");7 K7 `/ ~* E1 Z: u. j4 `7 X
theSession->UpdateManager()->DoUpdate(undomark);) {9 B; u' F- A; b( F4 c
theSession->ListingWindow()->WriteLine("The expressions are : " + exp[0]->Equation()+"\n");
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