Hi Tome, This problem has already been fixed. Move to a more recent version. Rene Brun Tome Anticic wrote: > > Hi, > > I would really appreciate if somebody could tell > me what I am doing wrong. > > I need to generate a lot of plots at short intervals. > So I do a graph in a canvas and use the Print() method > to print a postscript file . But I noticed that the > Print() method causes an increasing amount of memory to be > used. How can I prevent this and free the memory? > Below is a sample code where > this can be observed (do top from a shell and watch...) > > Any help would be appreciated. I use root 3.00 /egcs 2.91.66 > > Thanks, > Tome > > void testMemory() > { > Float_t X[100]; > Float_t Y[100]; > > TCanvas *c1; > c1 = new TCanvas("c1","canvas"); > > for (Int_t i=0; i< 100;i++) { > X[i] = i; > Y[i] = i; > } > TGraph* grh = new TGraph(100,X,Y); > grh->Draw("AL"); > > while (1) { > cout << " do plot " << endl; > c1->Update(); > // this causes memory to be used and NOT freed > c1->Print("xxx.eps"); > } > }
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