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index.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<meta name="description" content="東日本大震災発生後24時間以内につぶやかれたジオタグ付きツイートのデジタルアーカイブ" />
<!-- 新規設置の際はURLの変更が必要 -->
<meta property="og:image" content="https://tweet.mapping.jp/data/screen.jpg" />
<meta property="og:description" content="東日本大震災発生後24時間以内につぶやかれたジオタグ付きツイートのデジタルアーカイブ" />
<meta name="twitter:card" content="summary_large_image" />
<!-- 新規設置の際はIDの変更が必要 -->
<meta name="twitter:site" content="@hwtnv" />
<meta name="twitter:creator" content="@hwtnv" />
<meta name="twitter:title" content="東日本大震災ツイートマッピング" />
<meta name="twitter:description" content="東日本大震災発生後24時間以内につぶやかれたジオタグ付きツイートのデジタルアーカイブ" />
<!-- 新規設置の際はURLの変更が必要 -->
<meta name="twitter:image" content="https://tweet.mapping.jp/data/screen.jpg" />
<meta name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>東日本大震災ツイートマッピング</title>
<link rel="SHORTCUT ICON" href="https://shinsai.mapping.jp/favicon.ico">
<style>
@import url(Cesium/Widgets/widgets.css);
</style>
<link rel="stylesheet" type="text/css" media="all" href="./css/style.css" />
<link rel="stylesheet" type="text/css" media="all" href="./css/menubutton.css" />
<script src="js/jquery-2.1.3.min.js"></script>
<script src="Cesium/Cesium.js"></script>
<script src="https://www.google.com/jsapi"></script>
<!-- 新規設置の際はGoogle Analytics IDの変更が必要 -->
<script>
(function (i, s, o, g, r, a, m) {
i['GoogleAnalyticsObject'] = r;
i[r] = i[r] || function () {
(i[r].q = i[r].q || []).push(arguments)
}, i[r].l = 1 * new Date();
a = s.createElement(o),
m = s.getElementsByTagName(o)[0];
a.async = 1;
a.src = g;
m.parentNode.insertBefore(a, m)
})(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
ga('create', 'UA-93496169-1', 'auto');
ga('send', 'pageview');
</script>
</head>
<body>
<div id="geocode" class="functions">
<form action="javascript:geocode()" class="textbox" />
<input id="inputtext" class="textbox" type="text" value="" placeholder="地名で検索" />
</form>
</div>
<div id="textSearch" class="functions">
<form action="javascript:textSearch()" class="textbox" />
<input id="searchQuery" class="textbox" type="text" value="" placeholder="テキスト検索" />
</form>
</div>
<div class="titleScreen">
<p>
<img class="titleImage" src="data/logo.png">
</p>
</div>
<div id="blackOut">
<img class="loading" src="data/loading.gif">
</div>
<div id="cesiumContainer"></div>
<div id="baseLayerPickerContainer" class="functions"></div>
<div id="tweetMessage"></div>
<div id="buttonAbout" class="general-button" onclick="about();">
<div class="button-content">
<span class="icon-font">help</span>
</div>
</div>
<div id="buttonGeo" class="general-button" onclick="flyToMyLocation();">
<div class="button-content">
<span class="icon-font">geo</span>
</div>
</div>
<div id="twCounter" class="twCounter">
<p>Loading...</p>
</div>
<script>
//Google Maps API（新規設置の際はKeyの変更が必要）
const script = document.createElement('script');
script.src = 'https://maps.googleapis.com/maps/api/js?key=AIzaSyDmPXZNocuhvv3T6zJe9gQZF0oVrU7TuCA&callback=initMap';
script.async = true;
window.initMap = function () {
};
document.head.appendChild(script);
//新規設置の際はTokenの変更が必要
Cesium.Ion.defaultAccessToken =
'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI2MWQxZDNlZC0xNzY1LTRmYzctYmY2Zi05YjZlYmI2YjI2ZGUiLCJpZCI6ODM3NDEsImlhdCI6MTY4MzkzMjEzNn0.scryF4Q6q6deO3pjfPmCnZ9986voN5H89uXQqGCSPuo';
//新規設置の際はKeyの変更が必要
Cesium.GoogleMaps.defaultApiKey = "AIzaSyDmPXZNocuhvv3T6zJe9gQZF0oVrU7TuCA";
//視点配列
const viewPointsArray = [];
function viewPoints(_label, _lat, _lng, _heading, _pitch, _range) {
this.label = _label;
this.lat = _lat;
this.lng = _lng;
this.heading = _heading;
this.pitch = _pitch;
this.range = _range;
}
viewPointsArray[0] = new viewPoints("日本全体", 34.009340, 135.843524, -47, -50,
2000000);
viewPointsArray[1] = new viewPoints("東京都", 35.67623749668245, 139.75142329682316, 0, -60,
30000);
viewPointsArray[2] = new viewPoints("皇居", 35.6835836, 139.7508397, 0, -55, 2000);
//画面サイズ判別
function getDevice() {
const ua = navigator.userAgent;
if (ua.indexOf('iPhone') > 0 || ua.indexOf('iPod') > 0 || ua.indexOf('Android') > 0 && ua.indexOf(
'Mobile') > 0) {
mobile = 1;
} else if (ua.indexOf('iPad') > 0 || ua.indexOf('Android') > 0) {
mobile = 2;
} else {
mobile = 0;
}
return mobile;
};
//画面サイズ調整
let screenAdjust = (function () {
const mobile = getDevice();
if (mobile != 1) {
setTimeout('resizeWindow()', 0);
} else {
$('.titleImage').css('width', '100%');
setTimeout('resizeWindow()', 1000);
}
})();
function resizeWindow() {
$(function () {
$(cesiumContainerDiv).css('height', '100%');
$(cesiumContainerDiv).css('width', '100%');
$(blackOutDiv).css('height', '100%');
$(blackOutDiv).css('height', '100%');
});
setTimeout('loadCesium()', 100);
}
//各種DIV
const cesiumContainerDiv = document.getElementById("cesiumContainer");
const blackOutDiv = document.getElementById("blackOut");
const loadingDiv = document.getElementById("twCounter");
//ビューア初期化
let viewer;
//Cesiumロード
function loadCesium() {
viewer = new Cesium.Viewer(cesiumContainerDiv, {
navigationHelpButton: false,
navigationInstructionsInitiallyVisible: false,
geocoder: false,
timeline: false,
animation: false,
sceneModePicker: false,
scene3DOnly: true,
baseLayerPicker: false,
requestRenderMode: true,
maximumRenderTimeChange: Infinity,
useBrowserRecommendedResolution: true
});
viewer.imageryLayers._layers[0].brightness = 0.5;
//画角を80度に
viewer.camera.frustum.fov = Cesium.Math.toRadians(80);
//スワイプによるスクロール禁止
const cesiumDiv = document.getElementById("cesiumContainer");
function preventScroll(event) {
event.preventDefault();
}
cesiumDiv.addEventListener("gesturestart", preventScroll, false);
cesiumDiv.addEventListener("gesturechange",
preventScroll, false);
cesiumDiv.addEventListener("gestureend", preventScroll, false);
//起動シークエンス呼び出し
openingSequence();
}
//起動シークエンス
function openingSequence() {
fadeInOut(blackOutDiv, 0);
fadeInOut(loadingDiv, 0);
const sequences = Promise.resolve()
.then(function () {
return new Promise((resolve, reject) => {
setTimeout(() => {
$(function () {
$('.titleScreen').fadeOut(1000);
setTimeout(function () {
$('.titleScreen').remove();
}, 1000);
});
changeViewPoint(0, 3);
resolve();
}, 2000);
});
})
.then(function () {
return new Promise((resolve, reject) => {
setTimeout(() => {
changeViewPoint(1, 3);
resolve();
}, 3000);
});
})
.then(function () {
return new Promise((resolve, reject) => {
setTimeout(() => {
fadeInOut(blackOutDiv, 1);
fadeInOut(loadingDiv, 1);
resolve();
}, 3000);
});
})
.then(function () {
return new Promise((resolve, reject) => {
setTimeout(() => {
loadTweets();
loadPhotogrammetry();
resolve();
}, 1000);
});
})
.then(function () {
return new Promise((resolve, reject) => {
setTimeout(() => {
viewer.scene.globe.show = false;
resolve();
}, 500);
});
});
}
//3D Tiles
function loadPhotogrammetry() {
//デフォルトのglobeを黒に
const globe = viewer.scene.globe;
globe.baseColor = Cesium.Color.fromCssColorString('#000000');
//3D Tiles読み込み
(async () => {
try {
const tileset = viewer.scene.primitives.add(
await Cesium.Cesium3DTileset.fromIonAssetId(2275207)
);
tileset.style = new Cesium.Cesium3DTileStyle({
color: "rgba(110, 110, 110, 1)",
});
tileset.dynamicScreenSpaceError = true;
tileset.dynamicScreenSpaceErrorFactor = 12;
} catch (error) {
console.log(error);
}
})();
}
//BaseLayerPicker追加
/*
function baseLayerPickerAdd() {
//デフォルトタイル削除，色を黒に
let globe = viewer.scene.globe;
globe.imageryLayers.removeAll();
globe.baseColor = Cesium.Color.fromCssColorString('#000000');
let layers = viewer.imageryLayers;
//baseLayer配列を用意
var imageryViewModels = [];
//ArcGIS Maps
var satelliteMap = new Cesium.createWorldImageryAsync({
style: Cesium.IonWorldImageryStyle.AERIAL,
});
//GSI淡色地図
var roadMap = new Cesium.OpenStreetMapImageryProvider({
url: 'https://cyberjapandata.gsi.go.jp/xyz/pale/',
credit: '国土地理院',
minimumLevel: 5,
maximumLevel: 18
});
//GSI標高地図
var terrainMap = new Cesium.OpenStreetMapImageryProvider({
url: 'https://cyberjapandata.gsi.go.jp/xyz/relief/',
credit: '国土地理院',
minimumLevel: 5,
maximumLevel: 15
});
imageryViewModels.push(new Cesium.ProviderViewModel({
name: '航空写真',
iconUrl: Cesium.buildModuleUrl('Widgets/Images/ImageryProviders/bingAerial.png'),
creationFunction: function () {
setTimeout(function () {
layers._layers[0].brightness = 0.5;
shinsai2011PhotoLayer.alpha = 1;
}, 1);
return satelliteMap;
}
}));
//GSI淡色地図
imageryViewModels.push(new Cesium.ProviderViewModel({
name: '詳細地図',
iconUrl: Cesium.buildModuleUrl('Widgets/Images/ImageryProviders/gsiGray.png'),
creationFunction: function () {
setTimeout(function () {
layers._layers[0].brightness = 0.25;
layers._layers[0].saturation = 0.2;
shinsai2011PhotoLayer.alpha = 0;
}, 1);
return roadMap;
}
}));
//標高地図
imageryViewModels.push(new Cesium.ProviderViewModel({
name: '標高地図',
iconUrl: Cesium.buildModuleUrl('Widgets/Images/ImageryProviders/japanRelief.png'),
tooltip: '海域部は海上保安庁海洋情報部の資料を使用して作成',
creationFunction: function () {
setTimeout(function () {
layers._layers[0].brightness = 0.4;
layers._layers[0].saturation = 1.0;
shinsai2011PhotoLayer.alpha = 0;
}, 1);
return terrainMap;
}
}));
//baseLayerPickerボタンを追加
const baseLayerPicker = new Cesium.BaseLayerPicker('baseLayerPickerContainer', {
globe: viewer.scene.globe,
imageryProviderViewModels: imageryViewModels
});
//被災直後の空中写真
const shinsai2011Photo = new Cesium.OpenStreetMapImageryProvider({
url: 'https://cyberjapandata.gsi.go.jp/xyz/toho1/',
fileExtension: 'jpg',
credit: '国土地理院',
maximumLevel: 17,
brightness: 0.6
});
const shinsai2011PhotoLayer = new Cesium.ImageryLayer(shinsai2011Photo, {
minimumTerrainLevel: 15,
maximumTerrainLevel: 17,
brightness: 0.6
});
layers.add(shinsai2011PhotoLayer);
}
*/
//視点移動関数
function changeViewPoint(num, delay) {
//カメラパラメータ
let newLat = viewPointsArray[num].lat;
let newLng = viewPointsArray[num].lng;
let newHeading = Cesium.Math.toRadians(viewPointsArray[num].heading);
let newPitch = Cesium.Math.toRadians(viewPointsArray[num].pitch);
let newRange = viewPointsArray[num].range;
let center = Cesium.Cartesian3.fromDegrees(newLng, newLat);
let boundingSphere = new Cesium.BoundingSphere(center, newRange);
let headingPitchRange = new Cesium.HeadingPitchRange(newHeading, newPitch, newRange);
//Z軸固定
viewer.camera.constrainedAxis = Cesium.Cartesian3.UNIT_Z;
//FLYTO
viewer.camera.flyToBoundingSphere(boundingSphere, {
duration: delay,
offset: headingPitchRange,
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
}
/* ここからJsonロード・ビルボード＆ラベル追加 */
// 検索用配列
let jsonArray = [];
// translucencyByDistanceのパラメータ（暫定）
let translucencyByDistance;
// 一個目のbillboard, label
let billboard1st;
let label1st;
function loadTweets() {
//ビルボード・ラベル用オブジェクト
let billboardCollection = new Cesium.BillboardCollection();
let labelCollection = new Cesium.LabelCollection();
let billboards = viewer.scene.primitives.add(billboardCollection);
let labels = viewer.scene.primitives.add(labelCollection);
let pixelOffset = new Cesium.Cartesian2(20.0, 0);
let scaleByDistance = new Cesium.NearFarScalar(0.0, 1.4, 7500, 0.7);
translucencyByDistance = new Cesium.NearFarScalar(500.0, 1.0, 3000000, 0.0);
let verticalOrigin = Cesium.VerticalOrigin.CENTER;
let jsonNum = 0;
//JSON読み込み，ビルボード・ラベル追加
let timer = setInterval(function () {
//スマホとその他でスライス文字数を変える
if (getDevice == 1) {
let sliceText = 10;
} else {
sliceText = 20;
}
let jsonFile = "data/czml/tweets.json";
$.getJSON(jsonFile, function (json) {
for (let i = 0; i < 50; i++) {
if (jsonNum >= json.length) {
clearInterval(timer);
delete jsonFile;
finishLoading();
break;
} else {
let id = json[jsonNum].id;
let text = json[jsonNum].text;
if (text.length > sliceText) {
let name = text.slice(0, sliceText) + "...";
} else {
name = text;
}
let iconUrl = json[jsonNum].billboard.image;
let positions = json[jsonNum].position.cartographicDegrees;
positions[2] = 200 + 500 * Math.random();
let positionsCartesian3 = Cesium.Cartesian3.fromDegreesArrayHeights(
positions)[0];
//ビルボード・ラベル追加
if (i == 0) {
billboardsAdd = billboards.add({
id: id,
position: positionsCartesian3,
image: "data/icon/flags/" + iconUrl,
scale: 0.25,
disableDepthTestDistance: Number.POSITIVE_INFINITY,
translucencyByDistance: translucencyByDistance,
});
labelAdd = labels.add({
id: id,
position: positionsCartesian3,
font: "11pt Sans-Serif",
style: Cesium.LabelStyle.FILL,
fillColor: Cesium.Color.WHITE,
pixelOffset: pixelOffset,
text: name,
scaleByDistance: scaleByDistance,
verticalOrigin: verticalOrigin,
disableDepthTestDistance: Number.POSITIVE_INFINITY,
translucencyByDistance: translucencyByDistance
});
} else {
//2個め以降は1個目のオブジェクトのプロパティを流用する
billboard1st = viewer.scene.primitives._primitives[0]._billboards[0];
label1st = viewer.scene.primitives._primitives[1]._labels[0];
billboardsAdd = billboards.add({
id: id,
position: positionsCartesian3,
image: billboard1st.image,
scale: billboard1st.scale,
disableDepthTestDistance: Number.POSITIVE_INFINITY,
translucencyByDistance: billboard1st.translucencyByDistance
});
labelAdd = labels.add({
id: id,
position: positionsCartesian3,
font: label1st.font,
style: label1st.style,
fillColor: label1st.fillColor,
pixelOffset: label1st.pixelOffset,
text: name,
scaleByDistance: label1st.scaleByDistance,
verticalOrigin: label1st.verticalOrigin,
disableDepthTestDistance: Number.POSITIVE_INFINITY,
translucencyByDistance: label1st.translucencyByDistance
});
}
//検索用配列に追加
jsonArray.push({
id: id,
text: text
});
//読み込み件数表示
jsonNum++;
loadingDiv.innerHTML = "<p>" + jsonNum + "/" + json.length + "</p>";
}
}
});
viewer.scene.requestRender();
}, 10);
}
//ロード完了
function finishLoading() {
setTimeout(function () {
fadeInOut(blackOutDiv, 0);
fadeInOut(loadingDiv, 0);
changeViewPoint(2, 3);
}, 1000);
delete timer;
descriptionBalloon();
loadingDiv.innerHTML = "<p class='twCounter'>Completed.</p>";
}
//コンテンツバルーン表示
function descriptionBalloon() {
window.removeEventListener;
//入力フォーム，ボタンクリック時にバルーンを隠す
$('.functions,.general-button').click(function () {
$(tweetMessage).hide();
});
//カメラ移動時にバルーンを隠す
viewer.camera.changed.addEventListener(function () {
$(tweetMessage).fadeOut(100);
});
viewer.screenSpaceEventHandler.setInputAction(function onLeftClick(movement) {
// カメラ位置（経度）取得
let cameraPosRadians = viewer.camera.positionCartographic;
let cameraPosLongitude = Cesium.Math.toDegrees(cameraPosRadians.longitude);
let pickedObject = viewer.scene.pick(movement.position);
if (pickedObject === undefined) {
$(tweetMessage).hide();
} else {
let pikedObjectPos = pickedObject.primitive._position;
if (pikedObjectPos !== undefined) {
// オブジェクト位置（経度）取得
let objectPosCartesian = pickedObject.primitive._position;
let objectPosCartographic = Cesium.Cartographic.fromCartesian(objectPosCartesian);
let objectPosLongitude = Cesium.Math.toDegrees(objectPosCartographic.longitude);
// カメラとオブジェクトの経度差（絶対値）
let distanceLongitude = Math.abs(cameraPosLongitude - objectPosLongitude);
// カメラとオブジェクトの経度差が90度以内のときコンテンツバルーンを表示
if (distanceLongitude < 90) {
let pickedObjectId = pickedObject.id.toString();
$(tweetMessage).fadeIn(200);
adjustDivPosition();
let targetObject = jsonArray.find((n) => n.id === pickedObjectId);
text = targetObject.text;
let windowWidth = $(window).width();
$(function () {
$(window).click(function (e) {
$(window).off("click");
let rightMargin = windowWidth - e.pageX;
$(tweetMessage).html(text);
if (getDevice() != 1) {
if (rightMargin < 320) {
$(tweetMessage).offset({
top: e.pageY + 8,
left: e.pageX - 312
});
} else {
$(tweetMessage).offset({
top: e.pageY + 8,
left: e.pageX + 8
});
}
} else {
$(tweetMessage).offset({
top: e.pageY + 8,
left: windowWidth * 0.5 - 160
});
}
});
});
}
} else {
$(tweetMessage).hide();
}
}
}, Cesium.ScreenSpaceEventType.LEFT_DOWN);
}
//コンテンツバルーンの位置調整
function adjustDivPosition() {
setTimeout(function () {
let windowHeight = $(window).height();
var
pos = $(tweetMessage).offset().top;
let height = $(tweetMessage).height();
if ((windowHeight - (pos + height)) < 0) {
$(tweetMessage).offset({
top: windowHeight - height - 12
});
}
}, 200);
}
/* ここまでJsonロード・ビルボード＆ラベル追加 */
//ジオコード
function geocode() {
let geocoder = new google.maps.Geocoder();
let input = document.getElementById('inputtext').value;
geocoder.geocode({
address: input
},
function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
let viewportObj = results[0].geometry.viewport;
let southNorth = viewportObj[Object.keys(viewportObj)[0]];
let westEast = viewportObj[Object.keys(viewportObj)[1]];
let south = southNorth[Object.keys(southNorth)[0]];
let north = southNorth[Object.keys(southNorth)[1]];
let west = westEast[Object.keys(westEast)[0]];
let east = westEast[Object.keys(westEast)[1]];
let rectangle = Cesium.Rectangle.fromDegrees(west, south, east, north);
viewer.camera.flyTo({
destination: rectangle,
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
} else {
alert('見つかりません');
}
}
);
}
//現在地へ移動
function flyToMyLocation() {
function fly(position) {
viewer.camera.flyTo({
destination: Cesium.Cartesian3.fromDegrees(position.coords.longitude, position.coords
.latitude,
3000.0),
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
}
navigator.geolocation.getCurrentPosition(fly);
}
//テキスト検索
function textSearch() {
$(tweetMessage).hide();
let searchQuery = String(document.getElementById('searchQuery').value);
let targetObject = jsonArray.filter(function (obj) {
return obj.text.match(searchQuery);
});
let billboardsObject = viewer.scene.primitives._primitives[0]._billboards;
let labelsObject = viewer.scene.primitives._primitives[1]._labels;
for (let i = 0; i < billboardsObject.length; i++) {
// カラ検索で初期化
if (searchQuery == "") {
billboardsObject[i].show = true;
labelsObject[i].show = true;
billboardsObject[i].translucencyByDistance = translucencyByDistance;
labelsObject[i].translucencyByDistance = translucencyByDistance;
} else {
// 文字列が含まれるビルボードのみアクティブにする
if (targetObject.find((v) => v.id === billboardsObject[i]._id)) {
billboardsObject[i].show = true;
labelsObject[i].show = true;
billboardsObject[i].translucencyByDistance = undefined;
labelsObject[i].translucencyByDistance = undefined;
} else {
billboardsObject[i].show = false;
labelsObject[i].show = false;
}
}
}
viewer.scene.requestRender();
}
//DIVのフェードイン・アウト
function fadeInOut(layer, param) {
if (param == 0) {
$(function () {
$(layer).fadeOut("slow");
});
viewer.trackedEntity = undefined;
} else {
$(function () {
$(layer).fadeIn("slow");
});
}
}
//ヘルプ
function about() {
window.open(
'https://github.com/wtnv-lab/tweetMapping'
);
}
</script>
</body>
</html>