Hi Yannick, I am well aware about the limitations of the browser in case of arrays. A better solution is the TreeViewer (see class TTreeViewer). Concerning your problems with MakeClass, my guess is that you use 2.22. These problems should now be solved in 2.23. Please always indicate the version/machine you are using. Rene Brun Patois Yannick wrote: > > Hi rooters, > > First thanx to Rene Brun for his prompt answer to my previous question. > But, of course, I have some other ones : > > I declare a C_brut_plastic_data as follow : > --- > class C_brut_plastic_data : public TObject > { > public: > C_brut_plastic_data (void); > ~C_brut_plastic_data(void); > public: > UShort_t T [4]; > UShort_t Q [4]; > UShort_t Qa[4]; > ClassDef(C_brut_plastic_data,1) > }; > --- > > I then generate the dictionnary for this class and everything. I create > a .root file with some data. > > In root I load the shared lib, seems OK. > > My data seems to be recognised as an array : > > Root > .class C_brut_plastic_data > [...] > Defined in C_brut_plastic_data > 0xc UShort_t T[4] > 0x14 UShort_t Q[4] > 0x1c UShort_t Qa[4] > > 0x14-0xC = 8 = 4 * 2bytes, what I asked for. > > But when I open a TBrowser window and go to look into my file, it only > show me an object called 'T[4]' and it seems that I cant access the > T[i]. > > Is there a simple way to get this ? > > More... (and far more annoying) : > > I created several branches, and they do appears in different 'folders' > in the TBrowser. > > But when I do a : > root [2] my_tree->MakeClass("my_tree"); > > I get a 'flat' description of my objects... Worse, if two have the same > name they seems to be simply doubled in the declaration... extract of > 'my_tree.h' : > > //Declaration of leaves types > Float_t T[4]; > Float_t E[4]; > Float_t Ea[4]; > UInt_t fUniqueID; > UInt_t fBits; > Float_t dEc; > Float_t dEr; > Float_t theta; > Float_t phi; > Float_t Qc; > Float_t Qr; > Float_t Qloc; > Float_t hit_P; > UInt_t fUniqueID; > UInt_t fBits; > > 'fUniqueID' and 'fBits' (what are those by the way ?) are simply > duplicated in the declaration, originally they belong to two differnt > branches. > > Shouldnt those data be packed by branches some way ? > > Yannick > > _/ Yannick Patois _________________ Address (home) __________________ > | irc(undernet): Garp on #france25+ | La Villa des Sciences | > | email : patois@ganil.fr | 12, avenue de Cambridge | > | web :http://www.sura.org/~patois/ | 14200 Herouville-Saint-Clair | > | Tel/Fax-home:+33 (0)2 31 94 50 32 | FRANCE | > |___________________________________|__________________________________|
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