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| @@ -0,0 +1,127 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "# Mapboxgl Python Library\n", | ||
| "\n", | ||
| "https://github.com/mapbox/mapboxgl-jupyter" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import pandas as pd\n", | ||
| "import sys\n", | ||
| "import os\n", | ||
| "\n", | ||
| "from mapboxgl.viz import *\n", | ||
| "from mapboxgl.utils import *\n", | ||
| "from mapboxgl.colors import *\n", | ||
| "\n", | ||
| "# Must be a public token, starting with `pk`\n", | ||
| "token = os.getenv('MAPBOX_ACCESS_TOKEN')\n", | ||
| "\n", | ||
| "# load geojson features\n", | ||
| "with open('us-states.geojson', 'r') as f:\n", | ||
| " data = json.load(f)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "## Chloropleths with interpolated color assignment" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "sample_color_stops = [\n", | ||
| " [0.0, 'rgb(255,255,204)'],\n", | ||
| " [100.0, 'rgb(255,237,160)'],\n", | ||
| " [500.0, 'rgb(253,141,60)'],\n", | ||
| " [2000.0, 'rgb(227,26,28)'],\n", | ||
| " [5000.0, 'rgb(189,0,38)'],\n", | ||
| " [10000.0,'rgb(128,0,38)']\n", | ||
| "]\n", | ||
| " \n", | ||
| "viz = ChloroplethViz(data, opacity=0.8)\n", | ||
| "viz.color_property = 'density'\n", | ||
| "viz.color_stops = sample_color_stops\n", | ||
| "viz.color_function_type = 'interpolate'\n", | ||
| "viz.default_color = '#bada55'\n", | ||
| "viz.line_stroke = 'dashed'\n", | ||
| "viz.line_color = 'rgb(128,0,38)'\n", | ||
| "viz.line_width = 1\n", | ||
| "viz.center = (-96, 37.8)\n", | ||
| "viz.zoom = 3\n", | ||
| "viz.below_layer = 'waterway-label'\n", | ||
| "viz.show()" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "## Chloropleths with match-type color scheme" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "match_color_stops = [\n", | ||
| " ['Massachusetts', 'rgb(46,204,113)'],\n", | ||
| " ['Utah', 'rgb(231,76,60)'],\n", | ||
| " ['California', 'rgb(142,68,173)'],\n", | ||
| "]\n", | ||
| " \n", | ||
| "viz = ChloroplethViz(data, opacity=0.8)\n", | ||
| "viz.color_property = 'name'\n", | ||
| "viz.color_stops = match_color_stops\n", | ||
| "viz.color_function_type = 'match'\n", | ||
| "viz.color_default = 'rgba(52,73,94,0.5)'\n", | ||
| "viz.center = (-96, 37.8)\n", | ||
| "viz.zoom = 3\n", | ||
| "viz.below_layer = 'waterway-label'\n", | ||
| "viz.show()" | ||
| ] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "anaconda-cloud": { | ||
| "attach-environment": true, | ||
| "environment": "Root", | ||
| "summary": "Mapboxgl Python Data Visualization example" | ||
| }, | ||
| "kernelspec": { | ||
| "display_name": "Python 3", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.6.1" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 1 | ||
| } |
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| @@ -0,0 +1,133 @@ | ||
| {% extends "main.html" %} | ||
|
|
||
| <!-- update legend item key style --> | ||
| {% block extra_css %} | ||
| <style type='text/css'> | ||
| .legend div span { border-radius: 20%; } | ||
| </style> | ||
| {% endblock extra_css %} | ||
|
|
||
| {% block javascript %} | ||
| var legend = document.getElementById('legend'); | ||
|
|
||
| mapboxgl.accessToken = '{{ accessToken }}'; | ||
|
|
||
| var map = new mapboxgl.Map({ | ||
| container: 'map', | ||
| style: '{{ styleUrl }}', | ||
| center: {{ center }}, | ||
| zoom: {{ zoom }}, | ||
| transformRequest: (url, resourceType)=> { | ||
| if ( url.slice(0,22) == 'https://api.mapbox.com' ) { | ||
| //Add Python Plugin identifier for Mapbox API traffic | ||
| return { | ||
| url: [url.slice(0, url.indexOf("?")+1), "pluginName=PythonMapboxgl&", url.slice(url.indexOf("?")+1)].join('') | ||
| } | ||
| } | ||
| else { | ||
| //Do not transform URL for non Mapbox GET requests | ||
| return {url: url} | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| map.addControl(new mapboxgl.NavigationControl()); | ||
|
|
||
| calcCircleColorLegend({{ colorStops }}, "{{ colorProperty }}"); | ||
|
|
||
| map.on('style.load', function() { | ||
|
|
||
| // Add geojson data source | ||
| map.addSource("data", { | ||
| "type": "geojson", | ||
| "data": {{ geojson_data }}, | ||
| "buffer": 1, | ||
| "maxzoom": 14 | ||
| }); | ||
|
|
||
| // Add data layer | ||
| map.addLayer({ | ||
| "id": "chloropleth-fill", | ||
| "source": "data", | ||
| "type": "fill", | ||
| "paint": { | ||
| "fill-color": generatePropertyExpression("{{ colorType }}", "{{ colorProperty }}", {{ colorStops }}, "{{ defaultColor }}"), | ||
| "fill-opacity": {{ opacity }} | ||
| } | ||
| }, "{{ belowLayer }}" ); | ||
|
|
||
| // Add data layer | ||
| map.addLayer({ | ||
| "id": "chloropleth-line", | ||
| "source": "data", | ||
| "type": "line", | ||
| "layout": { | ||
| "line-join": "round", | ||
| "line-cap": "round" | ||
| }, | ||
| "paint": { | ||
| {% if lineDashArray %} | ||
| "line-dasharray": {{ lineDashArray }}, | ||
| {% endif %} | ||
| "line-color": "{{ lineColor }}", | ||
| "line-width": {{ lineWidth }}, | ||
| "line-opacity": {{ opacity }} | ||
| } | ||
| }, "{{ belowLayer }}" ); | ||
|
|
||
| // Add label layer | ||
| map.addLayer({ | ||
| "id": "chloropleth-label", | ||
| "source": "data", | ||
| "type": "symbol", | ||
| "layout": { | ||
| {% if labelProperty %} | ||
| "text-field": "{{ labelProperty }}", | ||
| {% endif %} | ||
| "text-size" : generateInterpolateExpression('zoom', [[0,8],[22,16]] ), | ||
| "text-offset": [0,-1] | ||
| }, | ||
| "paint": { | ||
| "text-halo-color": "white", | ||
| "text-halo-width": 1 | ||
| } | ||
| }, "{{belowLayer}}" ); | ||
|
|
||
| // Create a popup | ||
| var popup = new mapboxgl.Popup({ | ||
| closeButton: false, | ||
| closeOnClick: false | ||
| }); | ||
|
|
||
| // Show the popup on mouseover | ||
| map.on('mousemove', 'chloropleth-fill', function(e) { | ||
| map.getCanvas().style.cursor = 'pointer'; | ||
|
|
||
| let f = e.features[0]; | ||
| let popup_html = '<div>'; | ||
|
|
||
| for (key in f.properties) { | ||
| popup_html += '<li><b> ' + key + '</b>: ' + f.properties[key] + ' </li>' | ||
| } | ||
|
|
||
| popup_html += '</div>' | ||
| popup.setLngLat(e.lngLat) | ||
| .setHTML(popup_html) | ||
| .addTo(map); | ||
| }); | ||
|
|
||
| map.on('mouseleave', 'chloropleth-fill', function() { | ||
| map.getCanvas().style.cursor = ''; | ||
| popup.remove(); | ||
| }); | ||
|
|
||
| // Fly to on click | ||
| map.on('click', 'chloropleth-fill', function(e) { | ||
| map.flyTo({ | ||
| center: e.lngLat, | ||
| zoom: map.getZoom() + 1 | ||
| }); | ||
| }); | ||
|
|
||
| }); | ||
| {% endblock %} |
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|
@@ -41,6 +41,7 @@ | |
| width: 10px; | ||
| } | ||
| </style> | ||
| {% block extra_css %}{% endblock extra_css %} | ||
| </head> | ||
| <body> | ||
|
|
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|
|
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