Issue #12 example notebook

issue12-notebook

{
 "metadata": {
  "celltoolbar": "Slideshow",
  "name": "",
  "signature": "sha256:5f9e69771210ecdca97b7558f4bca40716b0ce44d223de8a62651d821cee6065"
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 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### Minimal example notebook"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### This plot works in notebook but fails in the presentation mode\n",
      "\n",
      "The DropdownWidget fails to render correctly."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%matplotlib inline"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from ggplot import *\n",
      "import pandas as pd\n",
      "import numpy as np"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "df = pd.DataFrame()\n",
      "df['pos'] = range(0,100)\n",
      "df['diff'] = np.random.normal(size=100)\n",
      "df"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from IPython.html.widgets import interact\n",
      "from IPython.html import widgets\n",
      "\n",
      "def plot_diff(pos):\n",
      "    ddf = df[df['pos'] <= pos]\n",
      "    p = ggplot(ddf, aes(xmin='pos', xmax='pos+1', ymin=0, ymax='diff')) \\\n",
      "        + geom_rect() \\\n",
      "        + scale_x_continuous(name='position', limits=(-10,pos)) \\\n",
      "        + scale_y_continuous(name='difference', limits=(-1,1))\n",
      "    print p\n",
      "    \n",
      "    \n",
      "interact(plot_diff,\n",
      "         pos=widgets.DropdownWidget(values=range(0,100), value=99)\n",
      "         )"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### Without ggplot"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def plot_diff(pos):\n",
      "    ddf = df[df['pos'] <= pos]\n",
      "    ddf['diff'].plot()\n",
      "    \n",
      "    \n",
      "interact(plot_diff,\n",
      "         pos=widgets.DropdownWidget(values=range(0,100), value=99)\n",
      "         )"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}