To get the total size of the struct, this should work: Foo test; sizeof( double ) * test.A.size() + sizeof( double ) * test.B.size() + sizeof( bool ) * 2
Stephan 2013/6/9 Guillaume Laforge <[email protected]> > Hi Ahmidou :), > > You could try to use pointers to std::vector. This way you will be able to > access those vector and get the double values correctly. > But you must handle the allocation/deallocation of those vectors by > yourself: > > struct Foo{ > std::vector<double> *A; > std::vector<double> *B; > bool C; > bool D; > > Foo() > { > A = new std::vector<double>; > B = new std::vector<double>; > } > ~Foo() > { > delete A; > delete B; > } > }; > > Hope this help, > > Guillaume > > > On Sun, Jun 9, 2013 at 8:07 AM, Ahmidou Lyazidi <[email protected]>wrote: > >> Hi List, >> Is it possible to store this kind of struct in a UserData (map or blob): >> >> struct Foo{ >> std::vector<double> A; >> std::vector<double> B; >> bool C; >> bool D; >> }; >> >> I can pull out the structure, and the vectors have the good number of >> item...but they are empty, the values are gone >> >> I'm not sure, but I think it's lost because of the size parameter in >> UserDataMap.PutItemValue >> I tried to set the real size ( sizeof(vector)+ sizeof(double)*vector::size() >> ) but this gave me some crazy results. >> >> Any idea? >> >> Thanks >> >> ----------------------------------------------- >> Ahmidou Lyazidi >> Director | TD | CG artist >> http://vimeo.com/ahmidou/videos >> http://www.cappuccino-films.com >> > >
