Hi Ole Do you use a TApplication or TRint? Are you using option "-b" to start your application? >Is it safe to replace the "file->Write()" with"tree->GetFile()->Write()" Simply use tree->AutoSave. The Tree knows to which file it should go. Rene Brun On Thu, 19 Sep 2002, Ole Streicher wrote: > Ciao Rene! > > Rene Brun writes: > > > Fill: Switching to new file: Run0001.Physics.Tracker.Raw_1.root > > > dlopen error: /opt/root/lib/root/libGpad.so: undefined symbol: __ti10TPaveLabel > > > Load Error: Failed to load Dynamic link library /opt/root/lib/root/libGpad.so > > > *** Interpreter error recovered *** > > > I do not understand this problem! Are you linking the main executable > > yourself or using root.exe? > > Myself. My command line to link is > > c++ -g /opt/root/lib/root/libHist.so \ > /opt/root/lib/root/libMatrix.so \ > /opt/root/lib/root/libTree.so \ > /opt/root/lib/root/libCore.so \ > /opt/root/lib/root/libCint.so \ > -o .libs/rawreader rawreader.o \ > ./.libs/librawpamela.so \ > ../event/.libs/libpamelarun.so -ldl \ > /usr/local/lib/liblog4cpp.so -lnsl -Wl,--rpath -Wl,/usr/local/lib > > > Could you try with the recently released 3.03/09? > > I used that version. > > > Make sure to have the right $ROOTSYS/etc/system.rootrc > > I have it at /etc/root/system.rootrc (where it was installed together > with 3.03/09), but I also tried to have an /opt/root/etc/system.rootrc > (my $ROOTSYS is /opt/root). > > There is also another problem: as far as I know, I need to do a > file->Write() for all open files before finishing the program. This > will ofcourse fail if the tree has changed the file - I get an error > message "<TKey::Write>: No file open" or even a segfault now. > > Is it safe to replace the "file->Write()" with "tree->GetFile()->Write()" > for all trees that are used to write? > > > > BTW, is it possible to make the max treesize local to the tree? > > Currently, the maxtreesize is global. It could be made local to the Tree. > > With may be some complication in case a Tree is split over several files. > > The request is neither serious nor urgent; it was just an idea. > > Something different: what happens if there is more than one tree in > the file? Am I still able to chain all the trees of the files together > respectively? > > Ole >
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