arbres_stras.ipynb

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    "## Arbres de la ville de Strasbourg : données par quartier et par essence\n",
    "\n",
    "- les méthodes pour tracer sont dans le fichier [arbres_stras.py](arbres_stras.py)\n",
    "- la procédure est décrite dans ce [notebook](06-pandas.ipynb)\n",
    "- les données sources proviennent de la Ville de Strasbourg : <https://www.strasbourg.eu/open-data>"
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    "# On commence par importer et instancier la classe ArbreStras\n",
    "# du fichier arbres_stras.py\n",
    "from arbres_stras import ArbreStras\n",
    "\n",
    "# On charge les données\n",
    "stras_arbres = ArbreStras(force_download=False)\n",
    "\n",
    "# On trace la carte de répartition en fonction de la sélection\n",
    "# du menu ipywidgets\n",
    "from ipywidgets import interact, fixed\n",
    "\n",
    "representations = [\"nombre\", \"densité\", \"hauteur moyenne\"]\n",
    "def espece_from_genre(genre):\n",
    "    especes = [f\"{genre} {espece}\" for espece\n",
    "               in stras_arbres.essences_dict[genre]]\n",
    "    interact(type_representation, essence=sorted(especes), \n",
    "             representation=representations)\n",
    "\n",
    "def filtre_essences(filtre):\n",
    "    if filtre == \"par genre\":\n",
    "        interact(espece_from_genre,\n",
    "                 genre=sorted(stras_arbres.essences_dict.keys()))\n",
    "    else:\n",
    "        interact(type_representation, essence=fixed(filtre),\n",
    "                 representation=representations)\n",
    "\n",
    "def type_representation(essence, representation):\n",
    "    stras_arbres.plot(essence=essence, representation=representation)\n",
    "\n",
    "interact(filtre_essences, filtre=[\"tous\", \"par genre\"]);"
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