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Leaflet初級編 - Web地図サイトを構築してみよう-

Avatar for Yasunori Kirimoto Yasunori Kirimoto
November 04, 2016
Technology
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Leaflet初級編 - Web地図サイトを構築してみよう-

FOSS4G 2016 TOKYO ハンズオンデイ 発表資料
Avatar for Yasunori Kirimoto

Yasunori Kirimoto

November 04, 2016
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Transcript

  1. Leaflet 初級編 MIERUNE, LLC. / Yasunori Kirimoto 2016.11.04 FOSS4G 2016

    TOKYO ハンズオン - Web地図サイトを構築してみよう-

  2. MIERUNE, LLC. Yasunori Kirimoto

  3. None

  4. Contents はじめに ハンズオン その他事例

  5. Introduction はじめに

  6. 事前準備できてますか？？ http://bit.ly/leaflet161104

  7. HTML CSS JS Web Technology

  8. JavaScript Library

  9. OpenLayers 3

  10. CESIUM

  11. D3.js

  12. Leaflet

  13. Web Service

  14. CARTO

  15. Mapbox

  16. Hands On ハンズオン

  17. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  18. demo demo

  19. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  20. index.html stylesheet.css script.js HTML CSS JS

  21. フォルダ構成

  22. <!DOCTYPE html> <html lang="ja"> <head> <meta charset="UTF-8"> <title>Leaflet Sample</title> <!--

    Leafletライブラリ読み込み --> <script src="./library/leaflet-0.7.3/leaflet.js"></script> <link href="./library/leaflet-0.7.3/leaflet.css" rel="stylesheet" /> <!-- CSS読み込み --> <link href="./css/stylesheet.css" rel="stylesheet" /> </head> <body> <!-- Map読み込み --> <div id="map"></div> <!-- JS読み込み --> <script src="./js/script.js"></script> </body> </html> HTML

  23. html, body { height: 100%; padding: 0; margin: 0; }

    #map { z-index: 0; height: 100%; } CSS

  24. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  25. OpenStreetMap

  26. None

  27. var map = L.map('map'); L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a>

    contributors' }).addTo(map); map.setView([35.680899409847584, 139.76712226867676], 16); JS

  28. 地理院地図

  29. None

  30. L.tileLayer('https://cyberjapandata.gsi.go.jp/xyz/pale/{z}/{x}/{y}.png', { attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>" }).addTo(map); JS

  31. None

  32. L.tileLayer('https://cyberjapandata.gsi.go.jp/xyz/ort/{z}/{x}/{y}.jpg', { attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>" }).addTo(map); JS

  33. MIERUNE地図

  34. None

  35. L.tileLayer('https://tile.mierune.co.jp/mierune_mono/{z}/{x}/{y}.png', { attribution: "Maptiles by <a href='http://mierune.co.jp/' target='_blank'>MIERUNE</a>, under CC

    BY. Data by <a href='http://osm.org/copyright' target='_blank'>OpenStreetMap</a> contributors, under ODbL." }).addTo(map); JS

  36. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  37. レイヤ統合

  38. var t_pale = new L.tileLayer('https://cyberjapandata.gsi.go.jp/xyz/pale/{z}/{x}/{y}.png', { attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>"

    }); var t_ort = new L.tileLayer('https://cyberjapandata.gsi.go.jp/xyz/ort/{z}/{x}/{y}.jpg', { attribution: "<a href='http://www.gsi.go.jp/kikakuchousei/kikakuchousei40182.html' target='_blank'>国土地理院</a>" }); var o_std = new L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors' }); var m_mono = new L.tileLayer('https://tile.mierune.co.jp/mierune_mono/{z}/{x}/{y}.png', { attribution: "Maptiles by <a href='http://mierune.co.jp/' target='_blank'>MIERUNE</a>, under CC BY. Data by <a href='http://osm.org/copyright' target='_blank'>OpenStreetMap</a> contributors, under ODbL." }); JS

  39. var lat = 35.680899409847584; var lng = 139.76712226867676; var map

    = L.map('map', { center: [lat, lng], zoom: 15, maxZoom: 18, zoomControl: true, layers: [m_mono] }); var Map_BaseLayer = { "地理院地図 淡色": t_pale, "地理院地図 オルソ": t_ort, "OpenStreetMap 標準": o_std, "MIERUNE地図 MONO": m_mono }; L.control.layers( Map_BaseLayer, null ).addTo(map); JS

  40. レイヤ表示ON

  41. L.control.layers( Map_BaseLayer, null, {collapsed:false} ).addTo(map); JS

  42. スケール

  43. L.control.scale({ imperial: false, maxWidth: 300 }).addTo(map); JS

  44. ズームバー

  45. var map = L.map('map', { center: [lat, lng], zoom: 15,

    maxZoom: 18, zoomControl: false, layers: [m_mono] }); JS

  46. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  47. マーカー

  48. var Map_Point = L.marker( [35.68089940984, 139.7671222686] ).addTo(map); var comment =

    '東京駅だよ!!'; Map_Point.bindPopup(comment); JS

  49. var IconPin01 = L.icon({ iconUrl: "./img/pin01.png", iconSize: [25, 25], iconAnchor:

    [0, 25], popupAnchor: [0, -35] }); var Map_Point = L.marker( [35.68089940984, 139.7671222686], { icon: IconPin01 } ).addTo(map); JS

  50. ライン

  51. var Map_Line = L.polyline([ [35.67500798914924,139.75952625274658], [35.67845922918971,139.76094245910645], [35.689369743530044,139.76420402526855] ],{ "color": "#2DE9C4",

    "weight": 5, "opacity": 0.6 }).addTo(map); JS

  52. ポリゴン

  53. var Map_Polygon = L.polygon([ [35.675949251235025,139.76617813110352], [35.67410157813001,139.77188587188718], [35.67455478492641,139.77227210998535], [35.683757812281115,139.77862358093262], [35.68431553740134,139.77343082427979], [35.68469897115985,139.77094173431396],

    [35.679923346539084,139.76871013641357], [35.675949251235025,139.76617813110352] ],{ "color": "#E92D63", "weight": 3, "opacity": 0.8, "fillColor": "#562DE9", "fillOpacity": 0.4 }).addTo(map); JS

  54. オーバーレイヤ

  55. var Map_AddLayer = { "Point": Map_Point, "Line": Map_Line, "Polygon": Map_Polygon

    }; L.control.layers( Map_BaseLayer, Map_AddLayer, {collapsed:false} ).addTo(map); JS

  56. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  57. データ準備

  58. 地理空間データ作成 : geojson.io

  59. オープンデータ

  60. 国土数値情報（都市公園データ）を使用 QGIS : Shp → GeoJSON 変換

  61. 表示

  62. var sampledata = { "type": "FeatureCollection", "crs": { "type": "name",

    "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } }, "features": [ { "type": "Feature", "properties": { "P13_003": "北6条エルムの里公園" }, "geometry": { "type": "Point", "coordinates": [ 141.34308642, 43.0666937 ] } }, { "type": "Feature", "properties": { "P13_003": "宮部記念緑地" }, "geometry": { "type": "Point", "coordinates": [ 141.33550164, 43.0666937 ] } }, { "type": "Feature", "properties": { "P13_003": "偕楽園緑地" }, "geometry": { "type": "Point", "coordinates": [ 141.34429626, 43.06828667 ] } }, { "type": "Feature", "properties": { "P13_003": "八軒コスモス公園" }, "geometry": { "type": "Point", "coordinates": [ 141.32328053000001, 43.08470141 ] } } ] }; GeoJSON

  63. <script src="./vecter/map.geojson"></script> HTML

  64. var GeoJsonSample = L.geoJson(sampledata).addTo(map); JS

  65. アレンジ

  66. <script src="./vecter/point.geojson"></script> HTML

  67. var lat = 42.333174; var lng = 141.004646; var IconPin02

    = L.icon({ iconUrl: "./img/pin02.png", iconSize: [25, 25], iconAnchor: [15, 20], popupAnchor: [-5, -30] }); var PointAll = L.layerGroup().addTo(map); var PointGeojson = L.geoJson(pointdata, { onEachFeature: function (feature, layer) { var field ="目標地点: " + feature.properties.OBJECTID; layer.bindPopup(field); }, pointToLayer: function (feature, layer) { if (feature.properties.OBJECTID > 25) { return L.marker(layer, { icon: IconPin01 }); }else if (feature.properties.OBJECTID <= 25) { return L.marker(layer, { icon: IconPin02 }); } } }).addTo(PointAll); JS

  68. var Map_AddLayer = { "目標地点": PointAll }; L.control.layers( Map_BaseLayer, Map_AddLayer,

    {collapsed:false} ).addTo(map); JS

  69. <script src="./vecter/line.geojson"></script> HTML

  70. var LineAll = L.layerGroup().addTo(map); var line_geojson = L.geoJson(linedata, { style:

    { "color": "#58BE89", "weight": 3, "opacity": 0.7, "dashArray":[10, 5] }, onEachFeature: function (feature, layer) { var field ="距離(m): " + feature.properties.Shape_len; layer.bindPopup(field); }, clickable: true }).addTo(LineAll); var Map_AddLayer = { "目標地点": PointAll, "避難経路": LineAll }; JS

  71. <script src="./vecter/polygon.geojson"></script> HTML

  72. var PolygonAll = L.layerGroup().addTo(map); var PolygonGeojson = L.geoJson(polygondata, { style:

    function(feature) { if (feature.properties.MEANmax_ < 2) { return { "color": "#90D6E5", "weight": 0.5, "fill": true, "fillColor":"#90D6E5", "fillOpacity":0.4 }; }else if (feature.properties.MEANmax_ >= 2 && feature.properties.MEANmax_ < 4) { return { "color": "#2A5CAA", "weight": 0.5, "fill": true, "fillColor":"#2A5CAA", "fillOpacity":0.4 }; }else if (feature.properties.MEANmax_ >= 4 && feature.properties.MEANmax_ < 6) { return { "color": "#F4EE4F", "weight": 0.5, "fill": true, "fillColor":"#F4EE4F", "fillOpacity":0.6 }; }else if (feature.properties.MEANmax_ >= 6 && feature.properties.MEANmax_ < 8) { JS

  73. var Map_AddLayer = { "目標地点": PointAll, "避難経路": LineAll, "津波区域": PolygonAll

    }; JS

  74. 完成イメージ 基本構成 背景地図 コントロール オブジェクト GeoJSON プラグイン

  75. ©OpenStreetMap contributors Leaflet LocateControl

  76. <script src="./plugin/leaflet-locatecontrol/L.Control.Locate.min.js"></script> <link href="./plugin/leaflet-locatecontrol/L.Control.Locate.min.css" rel="stylesheet"/> <link href="//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css" rel="stylesheet" > HTML

  77. L.control.locate().addTo(map); JS

  78. ©OpenStreetMap contributors Leaflet Label

  79. <script src="./plugin/leaflet-label/leaflet.label.js"></script> <link href="./plugin/leaflet-label/leaflet.label.css" rel="stylesheet"/> HTML

  80. onEachFeature: function (feature, layer) { var field ="浸水深さ(m): " +

    feature.properties.MEANmax_; layer.bindLabel(field); } JS

  81. Other Cases その他事例

  82. その他のプラグイン

  83. ©OpenStreetMap contributors Leaflet Draw

  84. ©OpenStreetMap contributors Leaflet MeasureControl

  85. ©OpenStreetMap contributors Leaflet Minimap

  86. ©OpenStreetMap contributors Leaflet Routing Machine

  87. ハイブリッドアプリ

  88. CORDOVA

  89. PhoneGap

  90. React Native

  91. Monaca

  92. 使い方

  93. 新規プロジェクトの作成

  94. プロジェクト選択

  95. ファイルをインポート

  96. プレビュー機能・実機検証

  97. QMetaTiles プラグイン

  98. CARTO,Mapboxと連携

  99. みんなの公園マップ - 札幌版 -

  100. Leaflet

  101. CARTO

  102. Mapbox

  103. おつかれさまでした！