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- {
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "from bokeh.plotting import *\n",
- "from bokeh.models import HoverTool\n",
- "from collections import OrderedDict\n",
- "import json"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 2
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "with open(\"/home/init/code/indian-states/ka_tn.geojson\") as f:\n",
- " data = f.readlines()\n",
- "len(data)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "metadata": {},
- "output_type": "pyout",
- "prompt_number": 4,
- "text": [
- "1"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# convert json ot dict\n",
- "data = \"\".join(data)\n",
- "data = json.loads(data)\n",
- "lats = []\n",
- "lons = []\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 5
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "data['features'][0]['properties']"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "metadata": {},
- "output_type": "pyout",
- "prompt_number": 6,
- "text": [
- "{u'ENGTYPE_2': u'District',\n",
- " u'ID_0': 105,\n",
- " u'ID_1': 17,\n",
- " u'ID_2': 216,\n",
- " u'ISO': u'IND',\n",
- " u'NAME_0': u'India',\n",
- " u'NAME_1': u'Karnataka',\n",
- " u'NAME_2': u'Bagalkot',\n",
- " u'NL_NAME_2': u'',\n",
- " u'TYPE_2': u'District',\n",
- " u'VARNAME_2': u''}"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# filter only karnataka\n",
- "features = data['features']\n",
- "filtered = filter(lambda x: x['properties']['NAME_1'] == 'Karnataka', features)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 7
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# get xs, ys (lat, lon) for map\n",
- "count = 0\n",
- "for district in filtered:\n",
- " count += 1\n",
- " for x in district['geometry']['coordinates'][0]:\n",
- " lats.append(x[0])\n",
- " lons.append(x[1])\n",
- " "
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 9
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "count"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "metadata": {},
- "output_type": "pyout",
- "prompt_number": 10,
- "text": [
- "27"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# not required\n",
- "lats_new = []\n",
- "for x in lats:\n",
- " if type(x) is float:\n",
- " lats_new.append(x)\n",
- " \n",
- "lons_new = []\n",
- "for x in lons:\n",
- " if type(x) is float:\n",
- " lons_new.append(x) "
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 13
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "output_file(\"choropleth-kka.html\", title=\"choropleth.py example\")\n",
- "\n",
- "TOOLS=\"pan,wheel_zoom,box_zoom,reset,hover,save\"\n",
- "p = figure(title=\"KA TN\", tools=TOOLS, toolbar_location=\"left\",\n",
- " plot_width=1100, plot_height=700)\n",
- "\n",
- "p.patches( [lats_new], [lons_new], fill_color=\"#F1EEF6\", fill_alpha=0.0,\n",
- " line_color=\"blue\", line_width=2, )\n",
- "\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "metadata": {},
- "output_type": "pyout",
- "prompt_number": 14,
- "text": [
- "<bokeh.plotting.Figure at 0x7f688ab19950>"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "show(p)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 15
- }
- ],
- "metadata": {}
- }
- ]
- }
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