{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import (\n",
    "    \"os\"\n",
    "    \"path/filepath\"\n",
    "    \n",
    "    \"go-hep.org/x/hep/hbook/rootcnv\"\n",
    "    \"go-hep.org/x/hep/rootio\"\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fname := filepath.Join(os.Getenv(\"GOPATH\"), \"src\", \"go-hep.org/x/hep/hbook/rootcnv/testdata/gauss-h1.root\")\n",
    "f, err := rootio.Open(fname)\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}\n",
    "defer f.Close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "printf(\"keys: %v\\n\", f.Keys())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "h1, err := f.Get(\"h1f\")\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "h1f, err := rootcnv.H1D(h1.(rootio.H1))\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import (\n",
    "    \"image/color\"\n",
    "    \"go-hep.org/x/hep/hplot\"\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "p := hplot.New()\n",
    "p.Title.Text = \"Histogram 1D\"\n",
    "hh := hplot.NewH1D(h1f)\n",
    "hh.Color = color.RGBA{R: 0xff, A: 255}\n",
    "hh.Infos.Style = hplot.HInfoSummary\n",
    "p.Add(hh)\n",
    "p.Add(hplot.NewGrid())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "hplot.Show(p, 640, -1, \"png\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "f.Close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fname = filepath.Join(os.Getenv(\"GOPATH\"), \"src\", \"go-hep.org/x/hep/hbook/rootcnv/testdata/gauss-h2.root\")\n",
    "f, err = rootio.Open(fname)\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}\n",
    "defer f.Close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "printf(\"keys: %v\\n\", f.Keys())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "h2, err := f.Get(\"h2f\")\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "h2f, err := rootcnv.H2D(h2.(rootio.H2))\n",
    "if err != nil {\n",
    "    panic(err)\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "p = hplot.New()\n",
    "p.Title.Text = \"Histogram 2D\"\n",
    "p.Add(hplot.NewH2D(h2f, nil))\n",
    "p.Add(hplot.NewGrid())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "hplot.Show(p, 640, -1, \"png\")"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Neugram",
   "language": "neugram",
   "name": "neugram"
  },
  "language_info": {
   "codemirror_mode": "go",
   "file_extension": ".ng",
   "mimetype": "",
   "name": "neugram",
   "nbconvert_exporter": "",
   "pygments_lexer": "go",
   "version": "unreleased"
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 },
 "nbformat": 4,
 "nbformat_minor": 2
}