ipywidgets_linuxfr.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [],
   "source": [
    "from ipywidgets import interact, fixed\n",
    "import ipywidgets as widgets\n",
    "from bqplot import pyplot as plt\n",
    "import numpy as np\n",
    "from numpy.random import rand"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "90ec287130a64a4fa0f7efbfaceb036f",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(FloatSlider(value=10.0, description='x', max=30.0, min=-10.0), Output()), _dom_classes=(…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "def f(x):\n",
    "    return x**2\n",
    "interact(f, x=10.);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "5ece1d3b386045489fefae8efd2f5b63",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "FloatSlider(value=1.0, description='x', max=30.0, min=-10.0)"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "b4f6f3248af54ea09ac7e3e8dc42caa3",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "Output()"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "mon_slider = widgets.FloatSlider(\n",
    "    value=1,\n",
    "    min=-10,\n",
    "    max=30,\n",
    "    step=0.1,\n",
    "    description='x',\n",
    "    disabled=False,\n",
    "    continuous_update=True,\n",
    "    orientation='horizontal',\n",
    "    readout = True\n",
    ")\n",
    "\n",
    "resultat = widgets.Output()\n",
    "\n",
    "def maj_resultat(change):\n",
    "    with resultat:\n",
    "        resultat.clear_output()\n",
    "        print(f(change['new']))\n",
    "\n",
    "mon_slider.observe(maj_resultat, names='value')\n",
    "\n",
    "display(mon_slider,resultat)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "82492b6cdc134af8944680e8285ff509",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(Dropdown(description='fonction', options=('parabole', 'sinus', 'hasard'), value='parabol…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "4d3e4e1174eb472fa895832261e57517",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "VBox(children=(Figure(animation_duration=300, axes=[Axis(label='Axe des x', scale=LinearScale()), Axis(label='…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from ipywidgets import interact, fixed\n",
    "import ipywidgets as widgets\n",
    "from bqplot import pyplot as plt\n",
    "import numpy as np\n",
    "from numpy.random import rand\n",
    "\n",
    "#génère des abscisses\n",
    "x = np.arange(0,10,0.1)\n",
    "\n",
    "#trace une figure y = f(x)\n",
    "ma_figure = plt.figure(animation_duration = 300)\n",
    "mon_tracé = plt.scatter(x, x**2, enable_move=True)\n",
    "plt.xlabel('Axe des x')\n",
    "\n",
    "resultat2 = widgets.Output()\n",
    "\n",
    "#choix de la fonction à tracer\n",
    "@interact(fonction=['parabole', 'sinus', 'hasard'], x=fixed(x))\n",
    "def choix_fonction(fonction, x):\n",
    "    if fonction=='parabole':\n",
    "        with mon_tracé.hold_sync():\n",
    "            mon_tracé.x = x\n",
    "            mon_tracé.y = x**2\n",
    "            plt.ylabel('x au carré')\n",
    "    if fonction=='sinus':\n",
    "        with mon_tracé.hold_sync():\n",
    "            mon_tracé.x = x\n",
    "            mon_tracé.y = np.sin(x)\n",
    "            plt.ylabel('sin(x)')\n",
    "    if fonction=='hasard':\n",
    "        with mon_tracé.hold_sync():\n",
    "            mon_tracé.x = x\n",
    "            mon_tracé.y = rand(len(x))\n",
    "            plt.ylabel('Nombres aléatoires')\n",
    "\n",
    "#fonction qui lit et affiche les coordonnées d'un point déplacé\n",
    "def affiche(name, value):\n",
    "    with resultat2:\n",
    "        resultat2.clear_output()\n",
    "        print('Le point n° %i a été déplacé en x = %f y = %f'\n",
    "              %(value['index'], value['point']['x'],value['point']['y']))\n",
    "#détecte le déplacement d'un point\n",
    "mon_tracé.on_drag_end(affiche)     \n",
    "\n",
    "#créé la gui\n",
    "widgets.VBox([ma_figure,resultat2])    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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