ipywidgetというJupyterでUIを使えるライブラリを使ってみました。

interactive.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# ipywidgets\n",
    "[ipywidgets](https://github.com/ipython/ipywidgets)を使うとJupyter上でインタラクティブにパラメータを変えた結果を表示できます。\n",
    "\n",
    "- Python 2.7.11 on OSX 10.11.3\n",
    "- IPython 4.0.1\n",
    "- ipywidgets 4.1.1\n",
    "\n",
    "で確認しています。Jupyterや周辺モジュールは結構大胆にモジュール構成や記述方法を変えるので、バージョンに注意してください。\n",
    "\n",
    "まず初期設定。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "from ipywidgets import interact\n",
    "from matplotlib import pyplot as plt\n",
    "import numpy as np\n",
    "%matplotlib inline"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "まず関数を定義します。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "t=np.linspace(0,10,1000)\n",
    "def f(x=0.0):\n",
    "    y=np.sin(t*x)\n",
    "    plt.ylim(-1,1)\n",
    "    plt.plot(t,y)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "interact()で関数と、インタラクティブ引数を指定します。min, max, step で指定します。\n",
    "\n",
    "デフォルトはスライドバーになります。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "image/png": 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jtGttnMWu7dO9O1SsCA88kOJQIhH28svQt6+f6rzrrqHTSAixKv5vvQUXXAALFmjHTpH2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\n6P8BOHG5bLJFiLkAAAAASUVORK5CYII=\n",
      "text/plain": [
       "<matplotlib.figure.Figure at 0x10959b290>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "interact(f, x=(0.0,2.0,0.01));"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "ドロップダウン選択もできます。この例ではテキストを与えています。\n",
    "\n",
    "戻り値の\"_\"を受け取っているのは、interact()の戻り値をJupyterが表示してしまうのを防ぐためです。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a\n"
     ]
    }
   ],
   "source": [
    "def ft(text=\"\"):\n",
    "    print text\n",
    "_=interact(ft,text=[\"a\",\"b\",\"c\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "テキストボックスもできます。一文字変更するたびに関数が呼ばれますので少々うざいです。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a\n"
     ]
    }
   ],
   "source": [
    "_=interact(ft,text=\"a\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "スライドバー、ドロップダウン、テキストボックス、以外はipywidgetsクラスにいろいろと定義されています。\n",
    "\n",
    "以上３つはよく使うので少ないコードで使えるように工夫されているようですね。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import ipywidgets as widget"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "False\n"
     ]
    }
   ],
   "source": [
    "def fc(check=False):\n",
    "    print check\n",
    "_=interact(fc,check=widget.Checkbox())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a\n"
     ]
    }
   ],
   "source": [
    "_=interact(ft,text=widget.RadioButtons(options=[\"a\",\"b\",\"c\"]))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a\n"
     ]
    }
   ],
   "source": [
    "_=interact(ft,text=widget.ToggleButtons(options=[\"a\",\"b\",\"c\"]))"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 2",
   "language": "python",
   "name": "python2"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.11"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}

やっぱりウィジェットはnbviewerでも表示できませんね。

そのうち対応されるんでしょうかね。