{
"cells": [
{
"cell_type": "markdown",
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"metadata": {},
"source": [
"# gaxis\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** Rene Brun, Olivier Couet \n",
"This notebook tutorial was automatically generated with ROOTBOOK-izer from the macro found in the ROOT repository on Tuesday, May 19, 2026 at 08:37 PM."
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "f7e8fd90",
"metadata": {
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}
},
"outputs": [],
"source": [
"auto c1 = new TCanvas(\"c1\", \"Examples of TGaxis\", 10, 10, 700, 500);\n",
"c1->Range(-10, -1, 10, 1);\n",
"\n",
"auto axis1 = new TGaxis(-4.5, -0.2, 5.5, -0.2, -6, 8, 510, \"\");\n",
"axis1->Draw();\n",
"\n",
"auto axis2 = new TGaxis(-4.5, 0.2, 5.5, 0.2, 0.001, 10000, 510, \"G\");\n",
"axis2->Draw();\n",
"\n",
"auto axis3 = new TGaxis(-9, -0.8, -9, 0.8, -8, 8, 50510, \"\");\n",
"axis3->SetTitle(\"axis3\");\n",
"axis3->SetTitleOffset(0.5);\n",
"axis3->Draw();\n",
"\n",
"auto axis4 = new TGaxis(-7, -0.8, -7, 0.8, 1, 10000, 50510, \"G\");\n",
"axis4->SetTitle(\"axis4\");\n",
"axis4->Draw();\n",
"\n",
"auto axis5 = new TGaxis(-4.5, -0.6, 5.5, -0.6, 1.2, 1.32, 80506, \"-+\");\n",
"axis5->SetLabelSize(0.03);\n",
"axis5->SetTextFont(72);\n",
"axis5->Draw();\n",
"\n",
"auto axis6 = new TGaxis(-4.5, 0.5, 5.5, 0.5, 100, 900, 50510, \"-\");\n",
"axis6->Draw();\n",
"\n",
"auto axis7 = new TGaxis(-5.5, 0.85, 5.5, 0.85, 0, 4.3e-6, 510, \"\");\n",
"axis7->Draw();\n",
"\n",
"auto axis8 = new TGaxis(8, -0.8, 8, 0.8, 0, 9000, 50510, \"+L\");\n",
"axis8->Draw();"
]
},
{
"cell_type": "markdown",
"id": "2b182af2",
"metadata": {},
"source": [
"One can make a vertical axis going top->bottom.\n",
"However one need to adjust labels align to avoid overlapping."
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "4eab8667",
"metadata": {
"collapsed": false,
"execution": {
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"shell.execute_reply": "2026-05-19T20:37:06.843361Z"
}
},
"outputs": [],
"source": [
"auto axis9 = new TGaxis(6.5, 0.8, 6.5, -0.8, 0, 90, 50510, \"-L\");\n",
"axis9->Draw();"
]
},
{
"cell_type": "markdown",
"id": "31c28dee",
"metadata": {},
"source": [
"Draw all canvases "
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "643c9de9",
"metadata": {
"collapsed": false,
"execution": {
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"shell.execute_reply": "2026-05-19T20:37:07.055750Z"
}
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"outputs": [
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],
"source": [
"gROOT->GetListOfCanvases()->Draw()"
]
}
],
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