Hi, ROOTmans, :) I stroke with the same problem. The only difference is that I can't draw vertical axises instead of horisontal ones. E.g. script from Gennadiy Pospelov passed without problem, but this part of code of example for TGaxis class: { gROOT.Reset(); c1 = new TCanvas("c1","Examples of Gaxis",10,10,700,500); c1->Range(-10,-1,10,1); TGaxis *axis3 = new TGaxis(-9,-0.8,-9,0.8,-8,8,50510,""); axis3->SetName("axis3"); axis3->Draw(); } leads to root crash with the words: Error in <RootX11ErrorHandler>: BadValue (integer parameter out of range for operation) (XID: 0) The same problem with tutorial function twoscales() (ROOT/root/html/examples/twoscales.C.html). Script crashes on the final step trying to draw the new axis: void twoscales() { //example of macro illustrating how to superimpose two histograms //with different scales in the "same" pad. ... //draw an axis on the right side TGaxis *axis = new TGaxis(gPad->GetUxmax(),gPad->GetUymin(), gPad->GetUxmax(), gPad->GetUymax(),0,rightmax,510,"+L"); axis->SetLineColor(kRed); axis->SetTextColor(kRed); axis->Draw(); // ~~~~~~~~~~~ this command crashes interactive root session! } Configuration: RH6.2 $ uname -a Linux 2.2.14-5.0 #1 Tue Mar 7 21:07:39 EST 2000 i686 unknown packages versions: XFree86-3.3.6-20 egcs-1.1.2-30 glibc-2.1.3-15 ROOT from binary distribution $ root * W E L C O M E to R O O T * * Version 3.02/01 8 October 2001 * ... FreeType Engine v1.x used to render TrueType fonts. Compiled with thread support. CINT/ROOT C/C++ Interpreter version 5.15.15, Sep 30 2001 Does somebody have any ideas how to fix this problems without system update? Best wishes, Shitov Yuriy. -- Shitov Yuriy. All you need is Love!
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