Hello,
I need to make TGaxis with values running top-down, where
minimum value is on top, i.e.
0 |-
500 |-
1000 |-
1500 |-
2000 |-
2500 |-
Following macro doesn't work as (perhaps naively) expected:
{
gROOT->Reset();
TCanvas *c = new TCanvas("c", "Axis test", 2);
c->Range(-500,0,500,1000);
TGaxis *goodAxis = new TGaxis(-300, 100, -300, 900, 500, 2500, 512, "", 50);
// this doesn't work
TGaxis *badAxis = new TGaxis(300, 100, 300, 900, 2500, 500, 512, "", 50);
// neither do this
TGaxis *badAxis2 = new TGaxis(0, 900, 0, 100, 500, 2500, 512, "", 50);
goodAxis->Draw();
badAxis->Draw();
badAxis2->Draw();
c->Update();
}
Thank you.
Ilya V. Goz
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