bqplot_vuetify_example.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import ipyvuetify as v"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# First histogram plot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import ipywidgets as widgets\n",
    "import numpy as np\n",
    "from bqplot import pyplot as plt\n",
    "import bqplot\n",
    "\n",
    "\n",
    "n = 200\n",
    "\n",
    "x = np.linspace(0.0, 10.0, n)\n",
    "y = np.cumsum(np.random.randn(n)*10).astype(int)\n",
    "\n",
    "fig = plt.figure( title='Histogram')\n",
    "np.random.seed(0)\n",
    "hist = plt.hist(y, bins=25)\n",
    "hist.scales['sample'].min = float(y.min())\n",
    "hist.scales['sample'].max = float(y.max())\n",
    "fig.layout.width = 'auto'\n",
    "fig.layout.height = 'auto'\n",
    "fig.layout.min_height = '300px' # so it shows nicely in the notebook\n",
    "fig"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "slider = v.Slider(thumb_label='always', class_=\"px-4\", v_model=30)\n",
    "widgets.link((slider, 'v_model'), (hist, 'bins'))\n",
    "slider"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Line chart"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fig2 = plt.figure( title='Line Chart')\n",
    "np.random.seed(0)\n",
    "p = plt.plot(x, y)\n",
    "\n",
    "fig2.layout.width = 'auto'\n",
    "fig2.layout.height = 'auto'\n",
    "fig2.layout.min_height = '300px' # so it shows nicely in the notebook\n",
    "fig2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "brushintsel = bqplot.interacts.BrushIntervalSelector(scale=p.scales['x'])\n",
    "\n",
    "def update_range(*args):\n",
    "    if brushintsel.selected is not None and brushintsel.selected.shape == (2,):\n",
    "        mask = (x > brushintsel.selected[0]) & (x < brushintsel.selected[1])\n",
    "        hist.sample = y[mask]\n",
    "    \n",
    "brushintsel.observe(update_range, 'selected')\n",
    "fig2.interaction = brushintsel"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Second histogram plot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "n2 = 200\n",
    "\n",
    "x2 = np.linspace(0.0, 10.0, n)\n",
    "y2 = np.cumsum(np.random.randn(n)*10).astype(int)\n",
    "\n",
    "figHist2 = plt.figure( title='Histogram 2')\n",
    "np.random.seed(0)\n",
    "hist2 = plt.hist(y2, bins=25)\n",
    "hist2.scales['sample'].min = float(y2.min())\n",
    "hist2.scales['sample'].max = float(y2.max())\n",
    "figHist2.layout.width = 'auto'\n",
    "figHist2.layout.height = 'auto'\n",
    "figHist2.layout.min_height = '300px' # so it shows nicely in the notebook\n",
    "\n",
    "sliderHist2 = v.Slider(_metadata={'mount_id': 'histogram_bins2'}, thumb_label='always', class_='px-4', v_model=5)\n",
    "from traitlets import link\n",
    "link((sliderHist2, 'v_model'), (hist2, 'bins'))\n",
    "\n",
    "\n",
    "display(figHist2)\n",
    "display(sliderHist2)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Set up voila vuetify layout\n",
    "The voila vuetify template does not render output from the notebook, it only shows widget with the mount_id metadata."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "v.Tabs(_metadata={'mount_id': 'content-main'}, children=[\n",
    "    v.Tab(children=['Tab1']),\n",
    "    v.Tab(children=['Tab2']),\n",
    "    v.TabItem(children=[\n",
    "        v.Layout(row=True, wrap=True, align_center=True, children=[\n",
    "            v.Flex(xs12=True, lg6=True, xl4=True, children=[\n",
    "                fig, slider\n",
    "            ]),\n",
    "            v.Flex(xs12=True, lg6=True, xl4=True, children=[\n",
    "                figHist2, sliderHist2\n",
    "            ]),\n",
    "            v.Flex(xs12=True, xl4=True, children=[\n",
    "                fig2\n",
    "            ]),\n",
    "        ])\n",
    "    ]),\n",
    "    v.TabItem(children=[\n",
    "        v.Container(children=['Lorum ipsum'])\n",
    "    ])\n",
    "])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
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   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
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  "voila": {
   "template": "vuetify-default"
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