用天地图实现空间搜索浏览
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@ -3,10 +3,7 @@ $this->headTitle($this->config->title->site);
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$this->headTitle($this->config->title->data);
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$this->headTitle("空间浏览");
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$this->headTitle()->setSeparator(' - ');
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$this->theme->AppendPlus($this,'jquery_ui');
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//$this->theme->AppendPlus($this,'google_map_v3');
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$this->theme->AppendPlus($this,'colorbox');
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$this->headLink()->appendStylesheet('/js/theme/default/style.css');
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$this->theme->AppendPlus($this,'tianditu');
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$this->nav[] = array('link'=>"/data/map",'title'=>'空间导航');
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?>
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<style type="text/css">
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@ -18,8 +15,8 @@ $this->nav[] = array('link'=>"/data/map",'title'=>'空间导航');
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<div class="row-fluid">
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<form class="form-search pull-right">
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<div class="input-append">
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<input type="text" class="span8 search-query" id="keyword">
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<button type="button" class="btn" onclick="mapmethods.action(map,1);">Search</button>
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<input type="text" class="span8 search-query" id="keyword" placeholder="关键词">
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<button type="button" class="btn" onclick="mapmethods.action(map,1);">搜索</button>
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</div>
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</form>
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<h4>将地图中范围调整至要搜索数据的范围,然后点击“搜索数据”按钮查看当前范围的所有数据</h4>
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@ -43,103 +40,59 @@ $this->nav[] = array('link'=>"/data/map",'title'=>'空间导航');
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</div>
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</div>
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<script type="text/javascript" >
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$(function() {
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var bounds = null;
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var rect = null;
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var map,zoom=6,rectTool;
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var input = {east:'#east',west:'#west',north:'#north',south:'#south'};
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});
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function loadScript() {
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = 'https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&' +
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'callback=initialize';
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document.body.appendChild(script);
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}
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window.onload = loadScript;
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// Google Map Part
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var map = null;
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var mapElementID = "map_canvas";
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var rectangle = null;
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var markers = [];
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function initialize() {
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//加载地图
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var myLatlng = new google.maps.LatLng(35.656456,105.819946);
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var myOptions = {
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zoom: 3,
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center: myLatlng,
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mapTypeId: google.maps.MapTypeId.ROADMAP
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}
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map = new google.maps.Map(document.getElementById(mapElementID), myOptions);
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//methods.trigger('tilesloaded',map);
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mapmethods.trigger('dragend',map);
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mapmethods.trigger('zoom_changed',map);
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}
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function RemoveRectangle(){
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if(rectangle != null)
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{
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rectangle.setMap(null);
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rectangle = null;
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}
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if (markers) {
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for (i in markers) {
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markers[i].setMap(null);
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}
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}
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}
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//加载地图
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var myLatlng = new TLngLat(100,38);
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var config = { projection: "EPSG:4326"}
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map = new TMap("map_canvas",config);
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map.centerAndZoom(myLatlng,zoom);
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map.enableHandleMouseScroll();
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var config = {
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type:"TMAP_NAVIGATION_CONTROL_LARGE", //缩放平移的显示类型
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anchor:"TMAP_ANCHOR_TOP_LEFT", //缩放平移控件显示的位置
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offset:[0,0], //缩放平移控件的偏移值
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showZoomInfo:true //是否显示级别提示信息,true表示显示,false表示隐藏。
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};
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//创建缩放平移控件对象
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var control=new TNavigationControl(config);
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//添加缩放平移控件
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map.addControl(control);
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control = new TMapTypeControl();
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//将地图类型控件添加到地图上
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map.addControl(control);
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function setRectangle(east,west,south,north){
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map.clearOverLays();
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if(east.toFixed(1) != west.toFixed(1) && south.toFixed(1)!= north.toFixed(1) ){
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RemoveRectangle();
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bounds = new google.maps.LatLngBounds(
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new google.maps.LatLng(south,west),
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new google.maps.LatLng(north,east)
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);
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rectangle = new google.maps.Rectangle({
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bounds: bounds,
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editable: false
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});
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rectangle.setMap(map);
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var p1=new TLngLat(west,south);
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var p2=new TLngLat(west,north);
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var p3=new TLngLat(east,south);
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var p4=new TLngLat(east,north);
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map.setViewport(new Array(p1,p2,p3,p4));
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var bounds = new TBounds(west,south,east,north);
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var rect = new TRect(bounds);
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map.addOverLay(rect);
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}else{
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RemoveRectangle();
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var position = new google.maps.LatLng(south,east);
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var marker = new google.maps.Marker({
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position: position,
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map: map,
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});
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markers.push(marker);
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}
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var marker=new TMarker(new TLngLat(east,south));
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map.addOverLay(marker);
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map.centerAndZoom(new TLngLat(east,south),zoom);
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}
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}
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var mapmethods = {
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trigger : function(triggername,map){
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google.maps.event.addListener(map, triggername,function(){
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range = mapmethods.action(map);
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//console.log(range);
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//mapmethods.ajax(range,0);
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});
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},
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getbounds : function(map){
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bounds = map.getBounds();
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point1 = bounds.getNorthEast();
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point2 = bounds.getSouthWest();
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latlng = new Array();
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latlng['east'] = point1.lng().toFixed(2);
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latlng['north'] = point1.lat().toFixed(2);
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latlng['west'] = point2.lng().toFixed(2);
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latlng['south'] = point2.lat().toFixed(2);
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latlng['east'] = point1.getLng().toFixed(2);
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latlng['north'] = point1.getLat().toFixed(2);
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latlng['west'] = point2.getLng().toFixed(2);
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latlng['south'] = point2.getLat().toFixed(2);
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return latlng;
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},
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action : function(map,ajax){
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