{
"cells": [
{
"cell_type": "markdown",
"id": "55e3e434",
"metadata": {},
"source": [
"# gaxis2\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** 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."
]
},
{
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"execution_count": 1,
"id": "41b5dbbd",
"metadata": {
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"execution": {
"iopub.execute_input": "2026-05-19T20:37:06.405710Z",
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"shell.execute_reply": "2026-05-19T20:37:06.900635Z"
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},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"Info in : created default TCanvas with name c1\n"
]
}
],
"source": [
"gStyle->SetOptStat(0);\n",
"\n",
"TH2F *h2 = new TH2F(\"h\", \"Axes\", 100, 0, 10, 100, -2, 2);\n",
"h2->Draw();\n",
"\n",
"TF1 *f1 = new TF1(\"f1\", \"-x\", -10, 10);\n",
"TGaxis *A1 = new TGaxis(0, 2, 10, 2, \"f1\", 510, \"-\");\n",
"A1->SetTitle(\"axis with decreasing values\");\n",
"A1->Draw();\n",
"\n",
"TF1 *f2 = new TF1(\"f2\", \"exp(x)\", 0, 2);\n",
"TGaxis *A2 = new TGaxis(1, 1, 9, 1, \"f2\");\n",
"A2->SetTitle(\"exponential axis\");\n",
"A2->SetLabelSize(0.03);\n",
"A2->SetTitleSize(0.03);\n",
"A2->SetTitleOffset(1.2);\n",
"A2->Draw();\n",
"\n",
"TF1 *f3 = new TF1(\"f3\", \"log10(x)\", 1, 1000);\n",
"TGaxis *A3 = new TGaxis(2, -2, 2, 0, \"f3\", 505, \"G\");\n",
"A3->SetTitle(\"logarithmic axis\");\n",
"A3->SetLabelSize(0.03);\n",
"A3->SetTitleSize(0.03);\n",
"A3->SetTitleOffset(1.2);\n",
"A3->Draw();"
]
},
{
"cell_type": "markdown",
"id": "e9d96b0e",
"metadata": {},
"source": [
"Draw all canvases "
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "8b09ae43",
"metadata": {
"collapsed": false,
"execution": {
"iopub.execute_input": "2026-05-19T20:37:06.903253Z",
"iopub.status.busy": "2026-05-19T20:37:06.903127Z",
"iopub.status.idle": "2026-05-19T20:37:07.130038Z",
"shell.execute_reply": "2026-05-19T20:37:07.129380Z"
}
},
"outputs": [
{
"data": {
"text/html": [
"\n",
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"metadata": {},
"output_type": "display_data"
}
],
"source": [
"gROOT->GetListOfCanvases()->Draw()"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "ROOT C++",
"language": "c++",
"name": "root"
},
"language_info": {
"codemirror_mode": "text/x-c++src",
"file_extension": ".C",
"mimetype": " text/x-c++src",
"name": "c++"
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