{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"\n",
"\n",
"### 复旦大学新闻学院新媒体硕士课程\n",
"***\n",
"***\n",
"# 使用folium做地图可视化\n",
"***\n",
"***\n",
"\n",
"王成军 \n",
"\n",
"wangchengjun@nju.edu.cn\n",
"\n",
"计算传播网 http://computational-communication.com\n"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"/Users/chengjun/anaconda/lib/python2.7/site-packages/folium-0.3.0.dev0-py2.7.egg/folium/__init__.pyc\n",
"0.3.0.dev\n"
]
}
],
"source": [
"import folium, jinja2, vincent\n",
"from IPython.display import IFrame\n",
"from IPython.core.display import HTML\n",
"print(folium.__file__)\n",
"print(folium.__version__)"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# 读入数据"
]
},
{
"cell_type": "code",
"execution_count": 76,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"import pickle\n",
"\n",
"node_pkl = open('/Users/chengjun/GitHub/cjc2016/data/nodeLoc.pkl', 'rb')\n",
"nodeLoc = pickle.load(node_pkl)\n",
"node_pkl.close()\n",
"\n",
"edge_pkl = open('/Users/chengjun/GitHub/cjc2016/data/edgeLoc.pkl', 'rb')\n",
"edgeLoc = pickle.load(edge_pkl)\n",
"edge_pkl.close()"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# 绘制地图"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"map_osm = folium.Map(location=[45.5236, -122.6750])\n",
"map_osm"
]
},
{
"cell_type": "code",
"execution_count": 77,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"beijing = folium.Map(location=(39.90403,116.407526), zoom_start=10)\n"
]
},
{
"cell_type": "code",
"execution_count": 78,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 78,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"beijing"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# MarkerCluster"
]
},
{
"cell_type": "code",
"execution_count": 64,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 64,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from folium.plugins import MarkerCluster\n",
"\n",
"locations = nodeLoc\n",
"popups = ['{}'.format(loc) for loc in locations]\n",
"beijing.add_children(MarkerCluster(locations=locations, popups=popups))\n"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# HeatMap"
]
},
{
"cell_type": "code",
"execution_count": 57,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 57,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from folium import plugins\n",
"\n",
"beijing.add_children(plugins.HeatMap(locations))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"beijing.save('/Users/chengjun/GitHub/cjc2016/code/beijing_mobile.html')"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# PolyLine"
]
},
{
"cell_type": "code",
"execution_count": 65,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"colors = ['blue','orange', 'red']\n",
"for k, community in enumerate(edgeLoc):\n",
" locations = edgeLoc[community]\n",
" for loc in locations:\n",
" line = folium.PolyLine(locations=loc, color=colors[k])\n",
" beijing.add_children(line)"
]
},
{
"cell_type": "code",
"execution_count": 66,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"data": {
"text/html": [
""
],
"text/plain": [
""
]
},
"execution_count": 66,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"beijing"
]
},
{
"cell_type": "code",
"execution_count": 67,
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"beijing.save('/Users/chengjun/GitHub/cjc2016/vis/beijing_mobile_without_heat.html')"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"### Convert HTML to PNG\n",
"* Open the generated html with chrome,\n",
"* Print to save it as pdf,\n",
"* Open the pdf and export it as png or the other formats."
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "slide"
}
},
"source": [
"# Data preparation"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"source": [
"python数据持久存储：pickle模块的基本使用\n",
" python的pickle模块实现了基本的数据序列和反序列化。通过pickle模块的序列化操作我们能够将程序中运行的对象信息保存到文件中去，永久存储；通过pickle模块的反序列化操作，我们能够从文件中创建上一次程序保存的对象。"
]
},
{
"cell_type": "code",
"execution_count": 68,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"import pickle"
]
},
{
"cell_type": "code",
"execution_count": 69,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"output = open('/Users/chengjun/GitHub/cjc2016/data/edgeLoc.pkl', 'wb')\n",
"\n",
"# Pickle dictionary using protocol 0.\n",
"pickle.dump(edgeLoc, output)\n",
"\n",
"output.close()\n"
]
},
{
"cell_type": "code",
"execution_count": 70,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [],
"source": [
"output = open('/Users/chengjun/GitHub/cjc2016/data/nodeLoc.pkl', 'wb')\n",
"\n",
"# Pickle list using protocol -1\n",
"pickle.dump(nodeLoc, output, -1)\n",
"\n",
"output.close()"
]
},
{
"cell_type": "code",
"execution_count": 36,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "notes"
}
},
"outputs": [],
"source": [
"edgeLoc = {12196: [[(39.990111, 116.330251), (39.990301, 116.339161)],\n",
" [(39.990111, 116.330251), (39.991104, 116.343872)],\n",
" [(39.990111, 116.330251), (40.010696, 116.338602)],\n",
" [(39.975028, 116.311556), (40.008801, 116.267881)],\n",
" [(39.884931, 116.672281), (39.886901, 116.675301)],\n",
" [(39.884931, 116.672281), (39.983333, 116.309944)],\n",
" [(39.990311, 116.351102), (39.990301, 116.339161)],\n",
" [(39.990311, 116.351102), (39.991104, 116.343872)],\n",
" [(39.990311, 116.351102), (39.886901, 116.675301)],\n",
" [(39.990311, 116.351102), (39.990531, 116.363311)],\n",
" [(39.990311, 116.351102), (39.989352, 116.356064)],\n",
" [(39.990311, 116.351102), (40.000241, 116.352881)],\n",
" [(40.017402, 116.305637), (40.020209, 116.302722)],\n",
" [(39.920349, 116.327869), (39.979381, 116.308711)],\n",
" [(39.920349, 116.327869), (39.905001, 116.342225)],\n",
" [(39.920349, 116.327869), (39.977181, 116.308881)],\n",
" [(39.988501, 116.318872), (39.984811, 116.315931)],\n",
" [(39.988501, 116.318872), (39.981691, 116.332721)],\n",
" [(39.988501, 116.318872), (39.983061, 116.319341)],\n",
" [(39.988501, 116.318872), (39.978994, 116.329721)],\n",
" [(39.763371011, 116.322339649), (39.977181, 116.308881)],\n",
" [(39.994141, 116.405721), (39.977237, 116.308991)],\n",
" [(40.050083, 116.298417), (40.017394, 116.325471)],\n",
" [(40.050083, 116.298417), (39.980345, 116.370601)],\n",
" [(40.050083, 116.298417), (40.010696, 116.338602)],\n",
" [(39.984811, 116.315931), (39.983061, 116.319341)],\n",
" [(39.984811, 116.315931), (39.978994, 116.329721)],\n",
" [(39.978994, 116.329721), (39.990301, 116.339161)],\n",
" [(39.978994, 116.329721), (39.981691, 116.332721)],\n",
" [(39.978994, 116.329721), (39.983061, 116.319341)],\n",
" [(39.978994, 116.329721), (39.989352, 116.356064)],\n",
" [(39.981691, 116.332721), (39.990301, 116.339161)],\n",
" [(39.981691, 116.332721), (40.017394, 116.325471)],\n",
" [(39.983118, 116.310884), (39.983464, 116.308398)],\n",
" [(39.983464, 116.308398), (39.983471, 116.308391)],\n",
" [(39.983464, 116.308398), (39.983056, 116.309167)],\n",
" [(40.017394, 116.325471), (39.990301, 116.339161)],\n",
" [(40.017394, 116.325471), (40.008171, 116.328254)],\n",
" [(40.017394, 116.325471), (40.010696, 116.338602)],\n",
" [(39.977181, 116.308881), (39.977237, 116.308991)],\n",
" [(39.977181, 116.308881), (39.981928, 116.308731)],\n",
" [(39.592431, 116.183104), (39.983333, 116.309944)],\n",
" [(39.983056, 116.309167), (39.983333, 116.309944)],\n",
" [(40.000241, 116.352881), (39.990301, 116.339161)],\n",
" [(40.000241, 116.352881), (39.990531, 116.363311)],\n",
" [(40.000241, 116.352881), (39.991104, 116.343872)],\n",
" [(40.000241, 116.352881), (40.010696, 116.338602)],\n",
" [(39.975395, 116.313438), (39.977237, 116.308991)],\n",
" [(39.979381, 116.308711), (39.905001, 116.342225)],\n",
" [(39.990301, 116.339161), (39.991104, 116.343872)],\n",
" [(39.991541, 116.319551), (39.983333, 116.309944)],\n",
" [(40.008171, 116.328254), (40.010696, 116.338602)],\n",
" [(39.981928, 116.308731), (39.977147, 116.304633)],\n",
" [(40.008801, 116.267881), (40.006201, 116.279001)],\n",
" [(39.978871, 116.306551), (39.977147, 116.304633)],\n",
" [(39.977237, 116.308991), (39.983333, 116.309944)],\n",
" [(39.981862, 116.317841), (39.983061, 116.319341)],\n",
" [(39.990531, 116.363311), (39.989352, 116.356064)]],\n",
" 12261: [[(40.200491, 116.179253), (40.183415, 116.161574)],\n",
" [(40.200491, 116.179253), (40.183997, 116.191357)],\n",
" [(40.200491, 116.179253), (40.218981, 116.230971)],\n",
" [(40.226655, 116.226144), (40.145755, 116.302861)],\n",
" [(40.226655, 116.226144), (40.210773, 116.239262)],\n",
" [(40.226655, 116.226144), (40.222097, 116.220571)],\n",
" [(40.226655, 116.226144), (40.218981, 116.230971)],\n",
" [(40.226655, 116.226144), (40.213888, 116.221534)],\n",
" [(40.226655, 116.226144), (40.213869, 116.234626)],\n",
" [(40.055072, 116.313491), (40.076948, 116.302963)],\n",
" [(40.055072, 116.313491), (40.098774, 116.302953)],\n",
" [(40.171594, 116.244031), (40.210773, 116.239262)],\n",
" [(40.171594, 116.244031), (40.183997, 116.191357)],\n",
" [(40.100662, 116.276404), (40.098981, 116.285883)],\n",
" [(40.100662, 116.276404), (40.096239, 116.272141)],\n",
" [(40.100662, 116.276404), (40.112621, 116.289151)],\n",
" [(40.100662, 116.276404), (40.095381, 116.283131)],\n",
" [(40.100662, 116.276404), (40.106016, 116.276689)],\n",
" [(40.100662, 116.276404), (40.103275, 116.284444)],\n",
" [(40.216718, 116.216522), (39.792501, 116.486851)],\n",
" [(40.216718, 116.216522), (40.213888, 116.221534)],\n",
" [(40.216718, 116.216522), (40.212898, 116.228058)],\n",
" [(40.216718, 116.216522), (40.218981, 116.230971)],\n",
" [(40.029814, 116.317095), (40.034031, 116.319871)],\n",
" [(40.029814, 116.317095), (40.039607, 116.316384)],\n",
" [(40.029814, 116.317095), (40.035833, 116.309445)],\n",
" [(40.056215, 116.327246), (40.058111, 116.330667)],\n",
" [(40.056215, 116.327246), (40.047312, 116.333848)],\n",
" [(40.056215, 116.327246), (40.055791, 116.324361)],\n",
" [(40.056215, 116.327246), (40.057821, 116.340871)],\n",
" [(40.240347, 116.117703), (40.231194, 116.118111)],\n",
" [(40.240347, 116.117703), (40.235611, 116.124289)],\n",
" [(40.240347, 116.117703), (40.220667, 116.239556)],\n",
" [(40.133908, 116.260049), (40.125971, 116.252163)],\n",
" [(40.133908, 116.260049), (40.125517, 116.261944)],\n",
" [(40.133908, 116.260049), (40.131848, 116.266921)],\n",
" [(40.073638, 116.310218), (40.083291, 116.322045)],\n",
" [(40.073638, 116.310218), (40.076948, 116.302963)],\n",
" [(40.073638, 116.310218), (40.077062, 116.325645)],\n",
" [(40.073638, 116.310218), (40.068287, 116.333102)],\n",
" [(40.073638, 116.310218), (40.073022, 116.316664)],\n",
" [(40.073022, 116.316664), (40.083291, 116.322045)],\n",
" [(40.073022, 116.316664), (40.058111, 116.330667)],\n",
" [(40.073022, 116.316664), (40.089172, 116.302284)],\n",
" [(40.073022, 116.316664), (40.065611, 116.322079)],\n",
" [(40.073022, 116.316664), (40.087491, 116.324951)],\n",
" [(40.073022, 116.316664), (40.099121, 116.338071)],\n",
" [(40.073022, 116.316664), (40.077062, 116.325645)],\n",
" [(40.073022, 116.316664), (40.068287, 116.333102)],\n",
" [(40.073022, 116.316664), (40.076948, 116.302963)],\n",
" [(40.231194, 116.118111), (40.235611, 116.124289)],\n",
" [(40.052918, 116.369476), (40.058111, 116.330667)],\n",
" [(40.052918, 116.369476), (40.041361, 116.373921)],\n",
" [(40.140561, 116.262416), (40.141792, 116.258313)],\n",
" [(40.140561, 116.262416), (40.125517, 116.261944)],\n",
" [(40.140561, 116.262416), (40.131848, 116.266921)],\n",
" [(40.134251, 116.252193), (40.125517, 116.261944)],\n",
" [(40.035833, 116.309445), (40.058111, 116.330667)],\n",
" [(40.035833, 116.309445), (40.043501, 116.298251)],\n",
" [(40.035833, 116.309445), (40.034978, 116.306693)],\n",
" [(40.035833, 116.309445), (40.062711, 116.295361)],\n",
" [(40.035833, 116.309445), (40.039607, 116.316384)],\n",
" [(40.035833, 116.309445), (40.034031, 116.319871)],\n",
" [(40.206013, 116.223627), (40.209889, 116.228222)],\n",
" [(40.206013, 116.223627), (40.213888, 116.221534)],\n",
" [(40.076948, 116.302963), (40.083291, 116.322045)],\n",
" [(40.076948, 116.302963), (40.089172, 116.302284)],\n",
" [(40.076948, 116.302963), (40.087389, 116.300231)],\n",
" [(40.076948, 116.302963), (40.043761, 116.285851)],\n",
" [(40.076948, 116.302963), (40.098774, 116.302953)],\n",
" [(40.076948, 116.302963), (40.087491, 116.324951)],\n",
" [(40.076948, 116.302963), (40.099121, 116.338071)],\n",
" [(40.076948, 116.302963), (40.077062, 116.325645)],\n",
" [(40.076948, 116.302963), (40.069228, 116.299637)],\n",
" [(40.112621, 116.289151), (40.125517, 116.261944)],\n",
" [(40.112621, 116.289151), (40.118531, 116.267087)],\n",
" [(40.112621, 116.289151), (40.131848, 116.266921)],\n",
" [(40.038109, 116.323645), (40.039607, 116.316384)],\n",
" [(40.118531, 116.267087), (40.120147, 116.254641)],\n",
" [(40.118531, 116.267087), (40.131848, 116.266921)],\n",
" [(40.118531, 116.267087), (40.106016, 116.276689)],\n",
" [(40.118531, 116.267087), (40.125517, 116.261944)],\n",
" [(40.118531, 116.267087), (40.218981, 116.230971)],\n",
" [(40.118531, 116.267087), (40.125971, 116.252163)],\n",
" [(40.034261, 116.358151), (40.040439, 116.349094)],\n",
" [(40.145939, 116.252157), (40.125517, 116.261944)],\n",
" [(40.145939, 116.252157), (40.218981, 116.230971)],\n",
" [(40.081833, 116.294194), (40.098774, 116.302953)],\n",
" [(40.081833, 116.294194), (40.235611, 116.124289)],\n",
" [(40.081833, 116.294194), (40.089172, 116.302284)],\n",
" [(40.043501, 116.298251), (40.043761, 116.285851)],\n",
" [(40.043501, 116.298251), (40.055121, 116.307781)],\n",
" [(40.043501, 116.298251), (40.034579, 116.288291)],\n",
" [(40.043501, 116.298251), (40.034031, 116.319871)],\n",
" [(40.125517, 116.261944), (40.209278, 116.216359)],\n",
" [(40.125517, 116.261944), (40.213888, 116.221534)],\n",
" [(40.125517, 116.261944), (40.131848, 116.266921)],\n",
" [(40.125517, 116.261944), (40.120147, 116.254641)],\n",
" [(40.125517, 116.261944), (40.152972, 116.298361)],\n",
" [(40.125517, 116.261944), (40.141792, 116.258313)],\n",
" [(40.125517, 116.261944), (40.103275, 116.284444)],\n",
" [(40.108971, 116.268313), (40.106016, 116.276689)],\n",
" [(40.213869, 116.234626), (40.215364, 116.240961)],\n",
" [(40.213869, 116.234626), (40.210773, 116.239262)],\n",
" [(40.213869, 116.234626), (40.211233, 116.239117)],\n",
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" [(39.915401, 116.556331), (39.908941, 116.525101)]]}"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {
"collapsed": true,
"slideshow": {
"slide_type": "notes"
}
},
"outputs": [],
"source": [
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