|
| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "code", |
| 5 | + "execution_count": 1, |
| 6 | + "metadata": { |
| 7 | + "collapsed": false |
| 8 | + }, |
| 9 | + "outputs": [ |
| 10 | + { |
| 11 | + "name": "stdout", |
| 12 | + "output_type": "stream", |
| 13 | + "text": [ |
| 14 | + "0.3.0.dev\n" |
| 15 | + ] |
| 16 | + } |
| 17 | + ], |
| 18 | + "source": [ |
| 19 | + "import os\n", |
| 20 | + "import folium\n", |
| 21 | + "\n", |
| 22 | + "print(folium.__version__)" |
| 23 | + ] |
| 24 | + }, |
| 25 | + { |
| 26 | + "cell_type": "code", |
| 27 | + "execution_count": 2, |
| 28 | + "metadata": { |
| 29 | + "collapsed": false |
| 30 | + }, |
| 31 | + "outputs": [], |
| 32 | + "source": [ |
| 33 | + "import numpy as np\n", |
| 34 | + "\n", |
| 35 | + "\n", |
| 36 | + "def get_coordinates(bbox):\n", |
| 37 | + " \"\"\"\n", |
| 38 | + " Create bounding box coordinates for the map. It takes flat or\n", |
| 39 | + " nested list/numpy.array and returns 5 points that closes square\n", |
| 40 | + " around the borders.\n", |
| 41 | + "\n", |
| 42 | + " Examples\n", |
| 43 | + " --------\n", |
| 44 | + " >>> bbox = [-87.40, 24.25, -74.70, 36.70]\n", |
| 45 | + " >>> len(get_coordinates(bbox))\n", |
| 46 | + " 5\n", |
| 47 | + "\n", |
| 48 | + " \"\"\"\n", |
| 49 | + " bbox = np.asanyarray(bbox).ravel()\n", |
| 50 | + " if bbox.size == 4:\n", |
| 51 | + " bbox = bbox.reshape(2, 2)\n", |
| 52 | + " coordinates = []\n", |
| 53 | + " coordinates.append([bbox[0][1], bbox[0][0]])\n", |
| 54 | + " coordinates.append([bbox[0][1], bbox[1][0]])\n", |
| 55 | + " coordinates.append([bbox[1][1], bbox[1][0]])\n", |
| 56 | + " coordinates.append([bbox[1][1], bbox[0][0]])\n", |
| 57 | + " coordinates.append([bbox[0][1], bbox[0][0]])\n", |
| 58 | + " else:\n", |
| 59 | + " raise ValueError('Wrong number corners.'\n", |
| 60 | + " ' Expected 4 got {}'.format(bbox.size))\n", |
| 61 | + " return coordinates" |
| 62 | + ] |
| 63 | + }, |
| 64 | + { |
| 65 | + "cell_type": "code", |
| 66 | + "execution_count": 3, |
| 67 | + "metadata": { |
| 68 | + "collapsed": false |
| 69 | + }, |
| 70 | + "outputs": [ |
| 71 | + { |
| 72 | + "data": { |
| 73 | + "text/html": [ |
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style=\"position:absolute;width:100%;height:100%;left:0;top:0;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>" |
| 75 | + ], |
| 76 | + "text/plain": [ |
| 77 | + "<folium.folium.Map at 0x7f2b748d6278>" |
| 78 | + ] |
| 79 | + }, |
| 80 | + "execution_count": 3, |
| 81 | + "metadata": {}, |
| 82 | + "output_type": "execute_result" |
| 83 | + } |
| 84 | + ], |
| 85 | + "source": [ |
| 86 | + "lon = lat = 0\n", |
| 87 | + "zoom_start = 1\n", |
| 88 | + "\n", |
| 89 | + "m = folium.Map(location=[lat, lon], zoom_start=zoom_start)\n", |
| 90 | + "\n", |
| 91 | + "kw = dict(opacity=1.0, weight=4)\n", |
| 92 | + "\n", |
| 93 | + "# Wrong.\n", |
| 94 | + "l0 = folium.PolyLine(locations=[(2, 179), (2, -179)], color='red', **kw)\n", |
| 95 | + "\n", |
| 96 | + "# Correct.\n", |
| 97 | + "l1 = folium.PolyLine(locations=[(-2, 179), (-2, 181)], color='blue', **kw)\n", |
| 98 | + "\n", |
| 99 | + "# Correct.\n", |
| 100 | + "l2 = folium.PolyLine(locations=[(-6, -179), (-6, 179)], color='green', **kw)\n", |
| 101 | + "\n", |
| 102 | + "# Artifact?\n", |
| 103 | + "l3 = folium.PolyLine(locations=[(12, -179), (12, 190)], color='orange', **kw)\n", |
| 104 | + "\n", |
| 105 | + "for l in [l0, l1, l2, l3]:\n", |
| 106 | + " m.add_child(l)\n", |
| 107 | + "\n", |
| 108 | + "m.save(os.path.join('results', 'DateLineExample.html'))\n", |
| 109 | + "\n", |
| 110 | + "m" |
| 111 | + ] |
| 112 | + } |
| 113 | + ], |
| 114 | + "metadata": { |
| 115 | + "kernelspec": { |
| 116 | + "display_name": "Python 3", |
| 117 | + "language": "python", |
| 118 | + "name": "python3" |
| 119 | + }, |
| 120 | + "language_info": { |
| 121 | + "codemirror_mode": { |
| 122 | + "name": "ipython", |
| 123 | + "version": 3 |
| 124 | + }, |
| 125 | + "file_extension": ".py", |
| 126 | + "mimetype": "text/x-python", |
| 127 | + "name": "python", |
| 128 | + "nbconvert_exporter": "python", |
| 129 | + "pygments_lexer": "ipython3", |
| 130 | + "version": "3.5.2" |
| 131 | + } |
| 132 | + }, |
| 133 | + "nbformat": 4, |
| 134 | + "nbformat_minor": 0 |
| 135 | +} |
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