Hi Valeri, Following your previous report about TPolymarker3D, I already fixed this problem in the development version. TPolyLine3D in 2.21/08 did not restore correctly the member fLastPoint. Rene Brun Tioukov Valeri wrote: > > Hi rooters, > > In the following macro I create the TPolyLine3D consisting from 2 > points. If I do l->Draw() it draws "-" as expected. > After saving to file and restoring it draws "L" instead where the 3-d > point is 0,0,0. > > Seems very strange, because l->Print() gives 2 points as well. > > --------------------------------------l.C-------------------- > TCanvas sky( "sky", "???", 300, 10, 700, 500 ); > > void w() > { > Float_t p[2][3] = {1,1,1,2,1,1}; > TPolyLine3D *l = new TPolyLine3D(2,p); > TFile f("l.root","RECREATE"); > l->Write("l"); > f.Write(); > f.Close(); > TView *v = new TView(1); > v->SetRange(0,0,0,3,3,3); > l->Draw(); > } > > void r() > { > TFile f("l.root"); > l->Print(); > TView *v = new TView(1); > v->SetRange(0,0,0,3,3,3); > l->Draw(); > > Float_t *p = l->GetP(); > for(int i=0; i< l->GetN(); i++) > printf("%d %f %f %f\n", i,p[3*i+0],p[3*i+1],p[3*i+2]); > } > ------------------------------------------------------------------- > > Output is: > > root [0] .L l.C > root [1] w() > root [2] r() > TPolyLine3D Printing N=2 Option= > 0 1.000000 1.000000 1.000000 > 1 2.000000 1.000000 1.000000 > root [3] > > Regards > Valeri
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