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index.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://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="Cesiumを使った日野市オープンデータ可視化のサンプルです" />
<meta property="og:image" content="data/hinoshi.png" />
<meta property="og:description" content="Cesiumを使った日野市オープンデータ可視化のサンプルです" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>日野市オープンデータ可視化</title>
<link rel="alternate" href="http://hiroshima.archiving.jp/index_en.html" hreflang="en" />
<link rel="SHORTCUT ICON" href="http://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="js/slidein.js"></script>
<script src="Cesium/Cesium.js"></script>
<script src="https://www.google.com/jsapi"></script>
<script type="text/javascript" src="https://maps.google.com/maps/api/js?key=AIzaSyCc9E-ulJKRVMPyJe_V5sUVNU8kxiDIUtg"></script>
</head>
<body>
<div class="geocode">
<form action="javascript:geocode()" class="textbox" />
<input id="inputtext" class="textbox" type="text" value="" placeholder="地名で検索" />
</form>
</div>
<div id="svNotAvailable" onclick="fadeInOut(svNotAvailable,0)"></div>
<div id="blackOut">
<img class="loading" src="data/loading.gif">
</div>
<div id="cesiumContainer"></div>
<div id="buttonViewPoint" class="general-button">
<div class="button-content">
<span class="icon-font">menu</span>
</div>
</div>
<div id="buttonHelp" class="general-button" onclick="help();">
<div class="button-content">
<span class="icon-font">help</span>
</div>
</div>
<div id="buttonLayer" class="general-button">
<div class="button-content">
<span class="icon-font">paramater</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="slideMenuViewPoint"></div>
<div id="slideMenuLayer"></div>
<div id="streetView_wrapper">
<div id="streetView"></div>
<button class="btn" onclick="fadeInOut(streetView_wrapper,0)">×</button>
</div>
<div id="osmCredit">
<a href="https://www.openstreetmap.org/copyright" target="_blank">MapData: © OpenStreetMap contributors</a>
</div>
<script>
// ========== 初期化 ==========
//スマホで閲覧した際に，スワイプによるスクロールを禁止
var cesiumDiv = document.getElementById("cesiumContainer");
function preventScroll(event) {
event.preventDefault();
}
cesiumDiv.addEventListener("gesturestart", preventScroll, false);
cesiumDiv.addEventListener("gesturechange", preventScroll, false);
cesiumDiv.addEventListener("gestureend", preventScroll, false);
//各種DIVのオブジェクトを取得
var blackOutDiv = document.getElementById("blackOut");
var streetViewWrapper = document.getElementById("streetView_wrapper");
var svNotAvailable = document.getElementById("svNotAvailable");
//ストリートビューのエラーメッセージDIVを隠す
$(function () {
$(svNotAvailable).hide();
});
// ========== ビューア初期化 ==========
var viewer = new Cesium.Viewer('cesiumContainer', {
imageryProvider: new Cesium.ArcGisMapServerImageryProvider({
url: '//server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer',
enablePickFeatures: false
}),
navigationHelpButton: false,
navigationInstructionsInitiallyVisible: false,
geocoder: false,
//時間を使うときは以下の二行をコメントアウト
timeline: false,
animation: false,
sceneModePicker: false,
baseLayerPicker: false,
scene3DOnly: true,
//地形を強調する際は値を変更
terrainExaggeration: 1.0,
requestRenderMode: true,
maximumRenderTimeChange: Infinity
});
//ダブルクリック操作を付加
viewer.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
//地形メッシュを設定
var terrainProvider = new Cesium.createWorldTerrain({
requestWaterMask: false,
requestVertexNormals: false,
heightmapTerrainQuality: 0.5
});
viewer.terrainProvider = terrainProvider;
//フォグとLODを設定
var fog = new Cesium.Fog();
fog.density = 0.0005;
fog.screenSpaceErrorFactor = 100.0;
// ========== 視点関連 ==========
//視点配列を作成
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;
}
var viewPointsArray = [];
//視点を登録： 緯度，経度，注視点の高さ，傾き，視点の高さ
viewPointsArray[0] = new viewPoints("首都大", 35.661, 139.3657347, 0, -45, 1000);
viewPointsArray[1] = new viewPoints("日野市", 35.654, 139.394, 0, -89, 15000);
viewPointsArray[2] = new viewPoints("初期視点", 35.654, 139.394, 0, -35, 5000);
//視点メニューを作成
var viewPointChangeMenu = document.getElementById('slideMenuViewPoint');
var dropDownList = "";
for (var i = 0; i < viewPointsArray.length; i++) {
dropDownList = dropDownList + '<li><a href="#" onclick = "changeViewPoint(' + i + ',' + '3.0);return false;">' + viewPointsArray[i].label + '</a></li>';
}
var viewPointChangeMenuHtml = '<ul class="viewpoint">' + dropDownList + '</ul>';
viewPointChangeMenu.innerHTML = viewPointChangeMenuHtml;
//視点を変更
function changeViewPoint(num, delay) {
var newLat = viewPointsArray[num].lat;
var newLng = viewPointsArray[num].lng;
var newHeading = Cesium.Math.toRadians(viewPointsArray[num].heading);
var newPitch = Cesium.Math.toRadians(viewPointsArray[num].pitch);
var newRange = viewPointsArray[num].range;
var center = Cesium.Cartesian3.fromDegrees(newLng, newLat);
var boundingSphere = new Cesium.BoundingSphere(center, newRange);
var headingPitchRange = new Cesium.HeadingPitchRange(newHeading, newPitch, newRange);
viewer.camera.flyToBoundingSphere(boundingSphere, {
duration: delay,
offset: headingPitchRange,
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
}
//現在地へ移動
function flyToMyLocation() {
function fly(position) {
viewer.camera.flyTo({
destination: Cesium.Cartesian3.fromDegrees(position.coords.longitude, position.coords.latitude, 750.0),
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
}
navigator.geolocation.getCurrentPosition(fly);
}
// ========== 以降，起動シークエンス ==========
//クレジットを隠す
$(function () {
$('.cesium-widget-credits').css('display', 'none');
});
fadeInOut(blackOutDiv, 0);
setTimeout('groundZero()', 1000);
function groundZero() {
//視点を移動：視点番号，デュレーション
changeViewPoint(1, 3);
//オーバレイを追加
openStreetMapLayer();
setTimeout('landing()', 4000);
}
function landing() {
//視点を移動：視点番号，デュレーション
changeViewPoint(2, 3);
//ローディングGIFを表示
setTimeout('fadeInOut(blackOutDiv,1)', 3000);
setTimeout('loadKml()', 3000);
}
// ========== KMLをロード ==========
//KML配列を作成
function kmlData(_label, _url) {
this.label = _label;
this.url = _url;
}
var kmlDataArray = [];
//KMLデータを登録．kmzでもOK
kmlDataArray[0] = new kmlData("避難所", 'data/kml/hinanjo.kml');
kmlDataArray[1] = new kmlData("避難場所", 'data/kml/hinanbasyo.kml');
//時間情報入りのKML
//kmlDataArray[2] = new kmlData("タイムスパン", 'data/kml/timeSpans.kml');
function loadKml() {
var i = 0;
var load = setInterval(function () {
var kmlDataSource = new Cesium.KmlDataSource();
var promise = kmlDataSource.load(kmlDataArray[i].url);
promise.then(function (dataSource) {
viewer.dataSources.add(dataSource);
//ビルボードの高さを地形に合わせる
billboardsIdsLength = (kmlDataSource.entities.values).length;
var i = 0;
while (i < billboardsIdsLength) {
var entity = kmlDataSource.entities.values[i];
if (entity.billboard != null) {
//CLAMP_TO_GROUND,NONE,RELATIVE_TO_GROUNDのいずれかを選択
entity.billboard.heightReference = Cesium.HeightReference.RELATIVE_TO_GROUND;
}
i++;
}
}).otherwise(function (error) {
alert('KMLデータが読み込めません');
});
i++;
if (i == kmlDataArray.length) {
clearInterval(load);
//クリック時にストビューを表示する処理
setClickEvent();
//ローディングGIFを非表示に
setTimeout('fadeInOut(blackOutDiv,0)', 1000);
}
}, 200);
}
// ========== 地図オーバレイを作成 ==========
// オーバレイ配列
var overlayDataArray = [];
var openStreetMap = [];
var layers = viewer.scene.imageryLayers;
function openStreetMapLayer() {
openStreetMap = layers.addImageryProvider(new Cesium.createOpenStreetMapImageryProvider());
//OSMの明度を下げる
openStreetMap.brightness = 0.7;
//OSMの不透明度をデフォルト0に
openStreetMap.alpha = 0;
//オーバーレイ配列を作成
function overlayData(_label, _value, _overlayObj, _id) {
this.label = _label;
this.value = _value;
this.overlayObj = _overlayObj;
this.id = _id;
}
overlayDataArray[0] = new overlayData("現在の地図", 0, openStreetMap, "range01");
//オーバレイメニューを作成
var overlayList = "";
for (var i = 0; i < overlayDataArray.length; i++) {
overlayList = overlayList + '<p class="slideLabel">' + overlayDataArray[i].label + '</p><input id="' + overlayDataArray[i].id + '" type="range" min="0" max="33" value="' + overlayDataArray[i].value * 0.33 + '" step="1" oninput="transParent(' + i +
');"/>';
}
var overlayListMenu = document.getElementById('slideMenuLayer');
overlayListMenu.innerHTML = overlayList;
}
//オーバレイの透明度を変更
function transParent(layer) {
var id = overlayDataArray[layer].id;
var overlay = overlayDataArray[layer].overlayObj;
var slider = document.getElementById(id);
if (slider.value == 0) {
overlay.show = false;
} else {
overlay.show = true;
overlay.alpha = slider.value * 0.03;
}
}
//ジオコード
function geocode() {
var geocoder = new google.maps.Geocoder();
var input = document.getElementById('inputtext').value;
geocoder.geocode({
address: input
},
function (results, status) {
if (status == google.maps.GeocoderStatus.OK) {
var viewportObj = results[0].geometry.viewport;
var southNorth = viewportObj[Object.keys(viewportObj)[0]];
var westEast = viewportObj[Object.keys(viewportObj)[1]];
var south = southNorth[Object.keys(southNorth)[0]];
var north = southNorth[Object.keys(southNorth)[1]];
var west = westEast[Object.keys(westEast)[0]];
var east = westEast[Object.keys(westEast)[1]];
var 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');
}
}
);
}
// ========== ダブルクリックでストビューを表示 ==========
//移動前のカメラ位置格納オブジェクト
var cameraPosWC;
var cameraOrientation;
function setClickEvent() {
var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
handler.setInputAction(function (click) {
var pickedObject = viewer.scene.pick(click.position);
if (Cesium.defined(pickedObject) && (pickedObject != "")) {
var position = pickedObject.primitive._position;
//ダブルクリック時のカメラ位置を取得
cameraPosWC = [viewer.camera.positionWC.x, viewer.camera.positionWC.y, viewer.camera.positionWC.z];
cameraOrientation = [viewer.camera.heading, viewer.camera.pitch, viewer.camera.roll];
var cart = Cesium.Ellipsoid.WGS84.cartesianToCartographic(position);
var latlng = new google.maps.LatLng(Cesium.Math.toDegrees(cart.latitude), Cesium.Math.toDegrees(cart.longitude));
var sv = new google.maps.StreetViewService();
var svp = void 0;
sv.getPanoramaByLocation(latlng, 100, function (data, status) {
//ストリートビュー未対応エリアの場合エラーメッセージを表示
if (status != google.maps.StreetViewStatus.OK) {
svNotAvailable.innerHTML = '<p class="errorMessage">この場所のストリートビューは利用できません</p>';
fadeInOut(svNotAvailable, 1);
setTimeout('fadeInOut(svNotAvailable,0)', 1500);
} else {
streetViewWrapper.style.display = "block";
fadeInOut(streetViewWrapper, 1);
if (svp === void 0) {
svp = new google.maps.StreetViewPanorama(
document.getElementById("streetView"), {
position: latlng
});
} else {
svp.setPano(data.location.pano);
}
}
//選択したPlacemarkの場所にズーム
var newHeading = Cesium.Math.toRadians(0);
var newPitch = Cesium.Math.toRadians(-45);
var newRange = 500;
var center = position;
var boundingSphere = new Cesium.BoundingSphere(center, 1000);
var headingPitchRange = new Cesium.HeadingPitchRange(newHeading, newPitch, newRange);
viewer.camera.flyToBoundingSphere(boundingSphere, {
duration: 1,
offset: headingPitchRange,
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
});
});
}
}, Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
}
// ========== ヘルプへリンク ==========
function help() {
window.open('https://github.com/wtnv-lab/cesiumGitHubPages');
}
// ========== 各種DIVのフェードイン・アウト ==========
function fadeInOut(layer, param) {
if (param == 0) {
$(function () {
$(layer).fadeOut("slow");
});
//ストリートビューDIVをフェードアウトした際には元の視点に復帰
if (layer == streetView_wrapper) {
viewer.camera.flyTo({
destination: new Cesium.Cartesian3(cameraPosWC[0], cameraPosWC[1], cameraPosWC[2]),
orientation: {
heading: cameraOrientation[0],
pitch: cameraOrientation[1],
roll: 0.0,
duration: 1.5,
easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT
}
});
}
//オブジェクト選択と視点拘束を解除
viewer.trackedEntity = undefined;
} else {
$(function () {
$(layer).fadeIn("slow");
});
}
}
</script>
</body>
</html>