スポット×混雑度マッシュアップMAP｜Mash up the Linked Open Data

Play
JavaScript
CSS
HTML
概要
保存した実行結果

density = {};
density.url = {};
density.url.LAT = "http://www.w3.org/2003/01/geo/wgs84_pos#lat";
density.url.LON = "http://www.w3.org/2003/01/geo/wgs84_pos#long";

$(window).on("load", function(){
	
	$.jqplot.config.enablePlugins = true;
	var workList = LinkData.getWorks();
	for (var i = 0 ; i < workList.length;i++){
		var workId = workList[i];
		var fileList = LinkData.getFiles(workId);
		for (var j = 0 ; j < fileList.length;j++){
			var sb =[];
			sb[sb.length] ="<option value='";
			sb[sb.length] =workId;
			sb[sb.length] ="|";
			sb[sb.length] =fileList[j];
			sb[sb.length] ="'>";
			sb[sb.length] =LinkData.getWorkName(workId)[0]+ " - " +  fileList[j];
			sb[sb.length] ="</option>";
			$("#dataSelect").append(sb.join(""));
		}
	}

fixHeight();
	initMap();

$("#dataSelect").change(function () {
		var value = $("#dataSelect option:selected").val().split("|");
		changeDataSet(value[0], value[1]);
		lastDataListValue = $("#dataSelect option:selected").val();
	}).change();
});

$(parent).on("resize", fixHeight ) ;

function fixHeight(){

var pageHeight = $(parent).height();
	var pageWidth = $(parent).width();

// This is very big bad hack!!!
	pageHeight = pageHeight - 178;
	pageWidth = pageWidth - 200;
	$("#debugmessage").text(pageHeight );
	$("#zoomLevel").text(pageWidth );

$("#bodyContainer").height(pageHeight );
	$("#map").height(pageHeight);
	$("#map").width(pageWidth );
	if(map){
		map.refresh() ;
	}
}

/** map itself by ZDC.Map  */
	map = null;
	/** pop-up to show information of the place by ZDC.MsgInfo  */
	msg = null;
	/** pop-up to show density history graph of the place by ZDC.MsgInfo  */
	historyMsg = null;

placeData = {};
	placeData.subjects = [];
	placeData.properties = [];
	placeData.data = [];
	placeData.limit = 50;
	prevPolyLine = null;
	densityCache = [];
	densityWidget = null;

lastDataListValue = null;

scaleBar = new ZDC.ScaleBar();
	map.addWidget(scaleBar);

ZDC.Search.getDensInfo( {} , initLastDataCreation);
	
	ZDC.addListener(map, ZDC.MAP_CHG_ZOOM, 	function(){
		$("#zoomLevel").html(map.getZoom());
		refreshDensityInfo();
	});
	densityWidget = new ZDC.UserWidget(map.getLatLon(), { offset : new ZDC.Pixel(0,20)});
	map.addWidget(densityWidget);
	
	ZDC.addListener(map, ZDC.MAP_MOUSEMOVE , drawRectangle );
	ZDC.addListener(map, ZDC.MAP_MOUSEMOVE , moveDensityWidget );
	ZDC.addListener(map, ZDC.MAP_DRAG_END , refreshDensityInfo );
}
function initMsgInfo(){
	msg = new ZDC.MsgInfo(new ZDC.LatLon(34.984608, 135.773678),
   	{
		offset: ZDC.Pixel(3, -18)
	});
	map.addWidget(msg);
	historyMsg = new ZDC.MsgInfo(new ZDC.LatLon(34.984608, 135.773678),
   	{
		offset: ZDC.Pixel(3, -18)
	});
	map.addWidget(historyMsg);
}
function refreshMap() {
	msg.close();
	historyMsg.close();
	var latlons = createAllLatLonAry();
	var adjustZoom = map.getAdjustZoom(latlons);
	map.moveLatLon(adjustZoom.latlon);
	map.setZoom(adjustZoom.zoom);
	map.setHome();
}

function createAllLatLonAry(){
	var result = [];
	for(var i = 0; i < placeData.data.length ; i++){
		result.push( new ZDC.LatLon(placeData.data[i].lat, placeData.data[i].lon));
	}
	return result;
}

if(prevPolyLine  && ZDC.isPolygonContainLatLon(latlon, prevPolyLine.getPoints())){
		//return without update polyline.
		return;
	}
	if(prevPolyLine){
		map.removeWidget(prevPolyLine);
	}
	for(var i = 0 ; i < densityCache.length; i++){
		var bounds = densityCache[i].bounds;
		if( 
			bounds.sw.lat  <= latlon.lat && latlon.lat <= bounds.ne.lat &&
			bounds.sw.lon  <= latlon.lon && latlon.lon <= bounds.ne.lon){
			
			var latlons = [];
			latlons.push(new ZDC.LatLon(bounds.ne.lat , bounds.ne.lon));
			latlons.push(new ZDC.LatLon(bounds.ne.lat , bounds.sw.lon));
			latlons.push(new ZDC.LatLon(bounds.sw.lat , bounds.sw.lon));        
			latlons.push(new ZDC.LatLon(bounds.sw.lat , bounds.ne.lon));     
		
			var pl = new ZDC.Polyline( latlons, 
									  {
										  strokeWeight: 3,
										  strokeColor: '#FF0000',
										  closePath: true
									  });
			prevPolyLine = pl;
			map.addWidget(pl);
//			$("#debugmessage").html( densityCache[i].densities[0].density);
			var density = getComma(densityCache[i].densities[0].density);
			densityWidget.setHtml("<div id='densityWidget'>推定人数：<span id='densityNum'>"+ density + "</span></div>") ;
			densityWidget.open();
			break;
		}
	}

}

}

function showData(){
	sortPlaceData();
	showMarker();
	$("#result").html("");
	showPositionInfo();
	refreshDensityInfo();
}

function sortPlaceData(){
	placeData.data.sort(
	function(a,b){
    	if( a.density < b.density ) return 1;
        if( a.density > b.density ) return -1;
        return 0;
	}
	);
}

function showPositionInfo(){
	for(var i = 0 ; i < placeData.data.length; i++){
		var place = placeData.data[i];
		var sb = [];
		var rank = i + 1;
		
		var numPos = (i * -30) - 30;
		sb[sb.length] = "<div id ='place" +place.id+ "' style='cursor: pointer;'>";
		
		sb[sb.length] = "<div style='position: relative;float:left'>";
		sb[sb.length] = "<a class='pinImageWrapper' >";

sb[sb.length] = "<img class='pinImage' style='top: "+getMarkerPosByRanking(rank,placeData.data.length )+"px; ' src='http://test.api.its-mo.com/img/mapicon-color.png'>";
		sb[sb.length] ="</a>";
		if(i < 	30){
			sb[sb.length] ="<a class='pinImageNumWrapper' >";
			sb[sb.length] ="<img class='pinImageNum' style='top: "+numPos+"px;' src='http://test.api.its-mo.com/img/mapicon-num.png'></a>";
		}
		sb[sb.length] = "</div>";

//		sb[sb.length] = getDensityTitleByRanking(rank,placeData.data.length );
//		sb[sb.length] = "<div style='clear:both;'></div>";
		
		
		sb[sb.length] = "<div>";
		sb[sb.length] =  place.name;
		sb[sb.length] = '<br>周辺の推定人数　' + getComma(place.density);
		sb[sb.length] = "</div>";
		sb[sb.length] = "</div>";
		$("#result").append(sb.join(""));
		$("#place"+ place.id).click(popupSelectedPoint);
	}
}
function popupSelectedPoint(event){
	var id = event.delegateTarget.id.substring(5);
	for(var i = 0 ; i < placeData.data.length ; i++){
		var place = placeData.data[i];
		if(place.id == id){
			map.moveLatLon(new ZDC.LatLon(place.lat, place.lon));
			ZDC.trigger(place.marker , ZDC.MARKER_CLICK);
			break;
		}
	}
}
function removeMarker(){
	for(var i = 0 ; i <  placeData.data.length ; i++){
		var onePlace = placeData.data[i];
		map.removeWidget(onePlace.marker);
	}
}
function showMarker(){
	// to show 1st as top position, scan from end to start.
	for(var i = placeData.data.length - 1 ; 0 <= i; i--){
		var onePlace = placeData.data[i];
		var latlon = new ZDC.LatLon(onePlace.lat, onePlace.lon);
		var rank = i + 1;
		var color = getColorByRanking(i, placeData.data.length );
		var size = "L" ;
		var markerOpt = {
            /* マーカのサイズに合わせて位置を調整する */
//            offset: new ZDC.Pixel(1, -38),
//			color : ZDC.MARKER_COLOR_ID_RED_L ,
			color : ZDC["MARKER_COLOR_ID_"+ color +"_L" ] ,
			number: ZDC["MARKER_NUMBER_ID_" +rank +"_L" ]
		};
		var mrk = new ZDC.Marker(latlon, markerOpt);
		onePlace.marker = mrk;
		mrk.setTitle(onePlace.name);
		map.addWidget(mrk);
		ZDC.bind(mrk, ZDC.MARKER_CLICK,
				 {place: onePlace , latlon: latlon, msg: msg , historyMsg: historyMsg , rank : rank},
				 showMsgInfo);
	}
}

this.msg.setHtml(sb.join(""));
	this.msg.open();
	ZDC.bindDom(document.getElementById("showGraphMsg"), "click", {
		historyMsg:this.historyMsg, msg :this.msg, latlon : this.latlon 
	}, showGraphInfo) 
}

function showGraphInfo(){
	var latlon = this.latlon
	var latlon2 = new ZDC.LatLon(latlon.lat + 0.00001 ,latlon.lon + 0.00001);
	var box = new ZDC.LatLonBox(latlon , latlon2);
	$("historyGraph").html("");
	var sb = [];
	sb[sb.length] = "<div id='historyMsgContent'><div id='graphAddress' style='text-align:center;'></div>";
	sb[sb.length] = "<div id='historyGraph' ></div>";
	sb[sb.length] = "</div>";
	this.historyMsg.setHtml(sb.join("") );
	this.historyMsg.moveLatLon(latlon);
	
	var query = {
		box : box ,
		meshlvl : "5",
		retronum : 24
	};
	
	var callback = function(status, result) {
		var densities =[];
		var times =[];
		for(var i = 0 ; i < result.item[0].densities.length; i++){
			densities[densities.length] = result.item[0].densities[i].density;
			times[times.length] = result.item[0].densities[i].date.slice(-2);
		}
		var orgDens = result.item[0].densities;
		var title = orgDens[0].date + " - " + orgDens[orgDens.length - 1].date;
		var start = orgDens[0].date;
		var end = orgDens[orgDens.length - 1].date;
		var month = parseInt(start.substring(4,6));
		var day =  parseInt(start.substring(6,8));
		var hour =  parseInt(start.substring(8,10));

var addressQuery = { latlons : [latlon]}
	var addressCallback = function(status, result) {
		$("#graphAddress").html(result[0].address.text +" 付近");
	}
	ZDC.Search.getAddrByLatLon(addressQuery, addressCallback) 
	
	this.msg.close();
	this.historyMsg.open();
}

}
function getObjectList(workId, fileName) {
	placeData.count = 0;
	placeData.data = [];
	$.each(placeData.subjects, function(sKey, sValue) {
		if(placeData.count++ > placeData.limit) {
			return false;
		}
		var onePlace = {};
		onePlace.subject = sValue;
		onePlace.id = sKey;
		onePlace.other = {};
		placeData.data.push(onePlace);
		
		var nameCandidateByLabel = null;
		var nameCandidateByName = null;
		$.each(placeData.properties, function(pKey, pValue) {
			var obj = LinkData.getObjects(workId, fileName, sValue, pValue);

if(pValue == "http://www.w3.org/2000/01/rdf-schema#label"){
				nameCandidateByLabel = obj.join("_");
			}else if( (pValue.match(/name$/) || pValue.match(/Name$/)) && nameCandidateByName == null ){
//			}else if( (pValue.endsWith("name") || pValue.endsWith("Name")) && nameCandidateByName == null ){
				nameCandidateByName = obj[0];
				onePlace.other[pValue] = obj.join("_");
			} else if(pValue == density.url.LAT){
				onePlace.lat = parseFloat(obj[0]);
				// this is bad work around... 
				onePlace.lat = onePlace.lat - 0.0032;
			} else if(pValue == density.url.LON){
				onePlace.lon = parseFloat(obj[0]);
				// this is bad work around... 
				onePlace.lon = onePlace.lon + 0.00274;
			} else{
				onePlace.other[pValue] = obj.join("_");
			}	
		});
		if (nameCandidateByName){
			onePlace.name = nameCandidateByName;
		}else if( nameCandidateByLabel ){
			onePlace.name = nameCandidateByLabel;	
		}else{
			onePlace.name = sValue;
		}
		
		pickupDensity(onePlace);
	});
}

// temporary moved from smallfunction.js

function getMeshlvlByZoom(zoom){
	if(zoom <=2){
		return "1";
	}
	if(zoom <=5){
		return "2";
	}
	if(zoom <=8){
		return "3";
	}
	if(zoom <=10){
		return "4";
	}else {
		return "5";
	}

}

html { height: 100% }

body{
	background: none repeat scroll 0 0 #FFFFFF;
	 height: 100%; margin: 0; padding: 0; 
}
#bodyContainer {
	width: 100%;
	height : 100%;
}

#loc_selector {
    width: 200px;
    float: left;
    margin-right: -200px;
    overflow: scroll;
	height : 100%;
}

#footer{
    clear: both;
}

#zenrinMapContainer{
   width: 100%;
   float: right;
}

#mainContent{
	margin-left: 200px;
}

#lastDataUpdate {
	background-color: #FFFFFF;padding: 4px;
}

#densityWidget {
	background-color: #FFFFFF;padding: 4px;
	border: 1px solid #000000;
}
#densityNum{
	font-weight: bold;
}

#showGraphMsg {
	color: #0000FF;
	cursor: pointer;
	text-decoration: underline;
}

#graphAddress{
	/* to make center.*/
	　text-align:center;
}
#historyMsgContent{

width:500px;
	height: 350px;

}

#dataList {
	float: right;
}

.caption {
  background: #B0E0E6;
  font-weight: bold;
  margin-bottom: 10px;
  padding: 5px;
}

#dataSelect {
	font-size: 20px;
	margin-bottom: 10px;
}

#result > div {
	margin-bottom: 20px;
}

.dataListLabel {
	font-size: 18px;
	color: AAA;
}

.info th {
	background: #B0E0E6;
	font-weight: normal;
	padding: 0 5px;
	text-align: left;
}

.info .dencity {
	font-weight: bold;
	font-size: 20px;
	text-align: right;
}

.pinImageWrapper {
	border-width: 0px; width: 31px; height: 38px; display: block; position: relative; overflow: hidden; cursor: pointer;
}

.pinImage {
	border-width: 0px; left: 0px; position: absolute;
}
.pinImageNumWrapper {
	border-width: 0px; width: 31px; height: 30px; top: 0px;display: block; position: absolute; overflow: hidden; cursor: pointer;
}

.pinImageNum {
	z-index: 0; border-width: 0px;  left: 0px; position: absolute;
}

.densityTitle1{
 background: none repeat scroll 0 0 red;
}
.densityTitle2{
 background: none repeat scroll 0 0 yellow;
}
.densityTitle3{
 background: none repeat scroll 0 0 green;
}
.densityTitle4{
 background: none repeat scroll 0 0 blue;

}

データセットに含まれる各スポットを、周辺（250m四方内）の推定人数の多い順にランキング表示する地図アプリです。

推定人数は（株）ゼンリンデータコムさんの「いつもNAVI開発キットAPI」を利用して取得しています。

http://lab.its-mo.com/service/densitymap.html