本文整理汇总了C++中TGaxis::ChangeLabel方法的典型用法代码示例。如果您正苦于以下问题：C++ TGaxis::ChangeLabel方法的具体用法？C++ TGaxis::ChangeLabel怎么用？C++ TGaxis::ChangeLabel使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TGaxis的用法示例。
在下文中一共展示了TGaxis::ChangeLabel方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: xyplot
void xyplot()
{
TCanvas *c = new TCanvas("c","XY plot",200,10,700,500);
// Remove the frame
c->SetFillColor(kWhite);
c->SetFrameLineColor(kWhite);
c->SetFrameBorderMode(0);
// Define and draw a curve the frame
const Int_t n = 4;
Double_t x[n] = {-1, -3, -9, 3};
Double_t y[n] = {-1000, 900, 300, 300};
gr = new TGraph(n,x,y);
gr->SetTitle("XY plot");
gr->SetMinimum(-1080);
gr->SetMaximum(1080);
gr->SetLineColor(kRed);
gr->Draw("AC*");
// Remove the frame's axis
gr->GetHistogram()->GetYaxis()->SetTickLength(0);
gr->GetHistogram()->GetXaxis()->SetTickLength(0);
gr->GetHistogram()->GetYaxis()->SetLabelSize(0);
gr->GetHistogram()->GetXaxis()->SetLabelSize(0);
gr->GetHistogram()->GetXaxis()->SetAxisColor(0);
gr->GetHistogram()->GetYaxis()->SetAxisColor(0);
gPad->Update();
// Draw orthogonal axis system centered at (0,0).
// Draw the Y axis. Note the 4th label is erased with SetLabelAttributes
TGaxis *yaxis = new TGaxis(0, gPad->GetUymin(),
0, gPad->GetUymax(),
gPad->GetUymin(),gPad->GetUymax(),6,"+LN");
yaxis->ChangeLabel(4,-1,0.);
yaxis->Draw();
// Draw the Y-axis title.
TLatex *ytitle = new TLatex(-0.5,gPad->GetUymax(),"Y axis");
ytitle->Draw();
ytitle->SetTextSize(0.03);
ytitle->SetTextAngle(90.);
ytitle->SetTextAlign(31);
// Draw the X axis
TGaxis *xaxis = new TGaxis(gPad->GetUxmin(), 0,
gPad->GetUxmax(), 0,
gPad->GetUxmin(),gPad->GetUxmax(),510,"+L");
xaxis->Draw();
// Draw the X axis title.
TLatex *xtitle = new TLatex(gPad->GetUxmax(),-200.,"X axis");
xtitle->Draw();
xtitle->SetTextAlign(31);
xtitle->SetTextSize(0.03);
}