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[tutorials] adjust annotation3d.C macro #20109

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Merged
linev merged 1 commit into from
Oct 14, 2025
Merged

[tutorials] adjust annotation3d.C macro #20109

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14 changes: 7 additions & 7 deletions tutorials/visualisation/graphics/annotation3d.C
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ void annotation3d()
f->SetLineWidth(1);
f->SetLineColorAlpha(kAzure - 2, 0.3);

f->Draw("surf1 fb");
c->Add(f, "surf1 fb");

// Lines for 3D annotation
double x[11] = {-0.500, -0.5, -0.5, -0.5, -0.5, -0.5, -0.5, -0.5, -0.5, -0.5, -0.500};
Expand All @@ -71,21 +71,21 @@ void annotation3d()

g2->SetLineColor(kRed);
g2->SetLineWidth(3);
g2->Draw();
c->Add(g2);

l2->SetLineColor(kRed);
l2->SetLineStyle(kDashed);
l2->SetLineWidth(1);
l2->Draw();
c->Add(l2);

// Draw text Annotations
TAnnotation *txt = new TAnnotation(-0.45, -0.2, 0.3, "f(y,x_{0})");
auto txt = new TAnnotation(-0.45, -0.2, 0.33, "f(y,x_{0})");
txt->SetTextFont(42);
txt->SetTextColor(kRed);
txt->Draw();
c->Add(txt);

TAnnotation *txt1 = new TAnnotation(0.5, 0.5, 0.3, "f(x,y)");
auto txt1 = new TAnnotation(0.5, 0.5, 0.3, "f(x,y)");
txt1->SetTextColor(kBlue);
txt1->SetTextFont(42);
txt1->Draw();
c->Add(txt1);
}
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