Sử dụng Drop Markers và MarkerClusterer cùng nhau?

8

Tôi muốn tạo một đại diện khá hấp dẫn về dữ liệu chuỗi thời gian (Địa điểm cửa hàng Costco w / ngày mở cửa).

Ý tưởng của tôi là vẽ chúng trên bản đồ, theo chuỗi thời gian, nhưng dường như số lượng điểm đánh dấu trên bản đồ làm mất đi hình ảnh tôi muốn trình bày.

Xây dựng bản đồ trên Google Maps API v3, tôi đã có thể để có được NÀY xa ..

Tôi muốn có thể phân cụm các điểm đánh dấu khi chúng rơi xuống trên bản đồ. Tức là, các cụm sẽ phát triển linh hoạt khi các điểm đánh dấu rơi xuống trên bản đồ.

www.spatialanalysis.ca

mã:

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Locations</title>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">

//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//  Author: Michael Markieta
//**//  Project: Costco Store Locations
//**//  Data retreived from: http://locationscomplete.com/store-list/costco
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//

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        new google.maps.LatLng(35.29596,-119.056737),
        new google.maps.LatLng(34.061614,-83.995316),
        new google.maps.LatLng(33.296984,-111.74859),
        new google.maps.LatLng(33.694977,-117.334477),
        new google.maps.LatLng(47.05993,-122.764472),
        new google.maps.LatLng(48.078633,-123.126156),
        new google.maps.LatLng(48.078633,-123.126156),
        new google.maps.LatLng(43.614052,-116.59131),
        new google.maps.LatLng(40.389885,-111.826691),
        new google.maps.LatLng(39.582488,-119.7368),
        new google.maps.LatLng(48.147071,-122.188728),
        new google.maps.LatLng(21.966207,-159.379784),
        new google.maps.LatLng(39.64345,-106.888929),
        new google.maps.LatLng(35.819171,-78.624095),
        new google.maps.LatLng(38.314966,-85.575074),
        new google.maps.LatLng(45.091701,-93.424209),
        new google.maps.LatLng(36.137384,-86.882867),
        new google.maps.LatLng(33.881385,-84.467067),
        new google.maps.LatLng(34.138521,-117.443747),
        new google.maps.LatLng(33.707108,-116.272281),
        new google.maps.LatLng(46.61659,-111.997627),
        new google.maps.LatLng(40.148544,-82.977471),
        new google.maps.LatLng(41.601098,-87.8602),
        new google.maps.LatLng(39.993388,-104.978402),
        new google.maps.LatLng(40.403823,-79.920262),
        new google.maps.LatLng(26.488717,-81.786306),
        new google.maps.LatLng(26.681125,-80.218562),
        new google.maps.LatLng(33.698181,-117.824643),
        new google.maps.LatLng(34.939252,-81.991329),
        new google.maps.LatLng(34.83597,-82.312969),
        new google.maps.LatLng(37.389239,-121.883251),
        new google.maps.LatLng(41.677196,-83.626067),
        new google.maps.LatLng(43.31041,-87.924802),
        new google.maps.LatLng(39.72291,-121.810157),
        new google.maps.LatLng(34.515393,-117.319573),
        new google.maps.LatLng(32.364332,-86.140767),
        new google.maps.LatLng(39.18673,-76.794937),
        new google.maps.LatLng(29.577884,-98.318589),
        new google.maps.LatLng(41.263559,-96.104773),
        new google.maps.LatLng(46.561741,-120.49665),
        new google.maps.LatLng(36.294138,-119.318548),
        new google.maps.LatLng(47.358133,-122.601163),
        new google.maps.LatLng(35.194554,-106.65748),
        new google.maps.LatLng(38.893358,-104.718057),
        new google.maps.LatLng(38.669984,-121.724059),
        new google.maps.LatLng(30.462738,-84.214734),
        new google.maps.LatLng(34.112427,-117.828694),
        new google.maps.LatLng(39.709654,-74.286927),
        new google.maps.LatLng(25.6562,-80.412506),
        new google.maps.LatLng(33.389225,-111.667683),
        new google.maps.LatLng(40.056345,-74.155005),
        new google.maps.LatLng(38.009856,-121.83862),
        new google.maps.LatLng(37.78634,-121.256909),
        new google.maps.LatLng(43.097724,-89.523653),
        new google.maps.LatLng(39.645129,-105.008454),
        new google.maps.LatLng(39.558634,-104.776266),
        new google.maps.LatLng(45.028178,-93.040949),
        new google.maps.LatLng(29.732819,-95.438941),
        new google.maps.LatLng(42.905718,-112.45512),
        new google.maps.LatLng(47.353816,-122.12213),
        new google.maps.LatLng(38.668558,-76.87579),
        new google.maps.LatLng(42.605107,-83.293988),
        new google.maps.LatLng(41.908953,-88.340137),
        new google.maps.LatLng(36.171045,-115.16097),
        new google.maps.LatLng(33.850288,-118.141792),
        new google.maps.LatLng(21.327791,-158.088361),
        new google.maps.LatLng(33.918792,-118.343717),
        new google.maps.LatLng(32.907041,-96.444231),
        new google.maps.LatLng(33.994864,-118.143066),
        new google.maps.LatLng(33.59978,-111.98313),
        new google.maps.LatLng(37.479969,-122.216984),
        new google.maps.LatLng(38.903972,-104.81736),
        new google.maps.LatLng(40.795707,-73.932252),
        new google.maps.LatLng(38.596055,-90.505135),
        new google.maps.LatLng(41.313165,-81.817003),
        new google.maps.LatLng(37.61726,-122.088419),
        new google.maps.LatLng(46.14725,-123.917569),
        new google.maps.LatLng(34.272487,-118.427676),
        new google.maps.LatLng(40.733389,-73.86409),
        new google.maps.LatLng(43.259394,-123.351215),
        new google.maps.LatLng(32.817013,-117.154214),
        new google.maps.LatLng(38.96407,-76.851827),
        new google.maps.LatLng(34.946448,-85.249178),
        new google.maps.LatLng(33.872015,-84.330505),
        new google.maps.LatLng(41.908543,-87.835255),
        new google.maps.LatLng(41.723497,-88.038493),
        new google.maps.LatLng(42.21935,-87.905949),
        new google.maps.LatLng(44.748879,-93.293251),
        new google.maps.LatLng(45.621461,-122.471505),
        new google.maps.LatLng(34.247276,-77.874103),
        new google.maps.LatLng(32.621279,-96.911471),
        new google.maps.LatLng(40.690524,-111.957864),
        new google.maps.LatLng(40.890332,-111.894004),
        new google.maps.LatLng(38.645195,-77.299368)
    ];

    var markers = [];
    var iterator = 0;

    function initialize() { 
        drop();
        var mapOptions = {
            zoom: 3,
            panControl: false,
            zoomControl: false,
            scaleControl: false,
            streetViewControl: false,
            overviewMapControl: false,
            mapTypeId: google.maps.MapTypeId.ROADMAP,
            center: new google.maps.LatLng(49.645,-95.315),
        };
        map = new google.maps.Map(document.getElementById("map_canvas"),
        mapOptions);
    }

    function drop() {
        for (var i = 0; i < locations.length; i++) {
            setTimeout(function() {
            addMarker();
            }, i * 50);
        }
    }

//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//  Custom map markers created with:
//**//  Google Map Custom Marker Maker 2011
//**//  http://www.powerhut.co.uk/googlemaps/custom_markers.php
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//
//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//**//

    function addMarker() {
        var image = new google.maps.MarkerImage('markers/costco_image.png',
        new google.maps.Size(12, 12),
        new google.maps.Point(0,0),
        new google.maps.Point(6, 12));
        var shadow = new google.maps.MarkerImage('markers/costco_shadow.png',
        new google.maps.Size(22, 12),
        new google.maps.Point(0,0),
        new google.maps.Point(6, 12));
        markers.push(new google.maps.Marker({
            position: locations[iterator],
            map: map,
            draggable: false,
            animation: google.maps.Animation.DROP,
            shadow: shadow,
            icon: image,
        }));
        iterator++;
    }
</script>
</head>
<div id="map_canvas" style=
    "position: absolute;
    top: 50%;
    margin-top: -300px;
    left: 50%;
    margin-left: -500px;
    width: 1000px;
    height: 600px;
    border-style: solid;
    border-width: 1px;
    border-color: darkgray;">
    </div>
<body onload="initialize()">
</body>
</html>
google-maps  clustering  markers 
— Michael Markieta
nguồn
1
Bản đồ đẹp! Tôi thích cách tiếp cận mà bạn đã thực hiện khi có các điểm đánh dấu. Đây không phải là một câu trả lời nghiêm ngặt cho câu hỏi của bạn, nhưng còn việc sử dụng một hình dạng khác trông đẹp hơn thì sao? Có một ví dụ hay về Flowing Data sử dụng các vòng tròn. Điều này có thể loại bỏ sự cần thiết phải phân cụm các tính năng.
— Stephen chì
1
Đã đưa ra gợi ý và cập nhật bản đồ: spatialanalysis.ca/time-series-data/costco.html
— Michael Markieta
1
Có vẻ tốt hơn, nhưng bạn đúng rằng nó vẫn cần một clusterer. Tôi đã thử nối nó với MarkerClusterer nhưng nó sẽ loại bỏ các điểm đánh dấu khi nó thêm các cụm. Không có nhiều sự giúp đỡ, xin lỗi
— Stephen Lead
Cảm ơn sự giúp đỡ của bạn dù sao! Tôi không nghĩ cả hai (drop và clusterer) chơi tốt với nhau.
— Michael Markieta

Câu trả lời:

7

Đây có thể không phải là giải pháp tao nhã nhất, nhưng, với một số tinh chỉnh thời lượng hết thời gian và tùy chỉnh các biểu tượng cụm, tôi nghĩ bạn có thể nhận được hiệu ứng bạn đang tìm kiếm. Xem ví dụ này .

Bí quyết là trước tiên hãy tạo một điểm đánh dấu và đặt mapthuộc tính trong đối tượng tùy chọn đánh dấu. Điều này thêm điểm đánh dấu vào bản đồ với hình ảnh động thả đẹp. Sau đó, createMarkerhàm trả về đối tượng đánh dấu để chúng ta có thể thêm nó vào cụm sau khi nó được thả trên bản đồ. Việc thêm điểm đánh dấu vào cụm được bao bọc trong setTimeoutchức năng của chính nó để có độ trễ giữa điểm đánh dấu rơi vào bản đồ và được thêm vào cụm. Nếu không, tất cả xảy ra quá nhanh để xem.

Lưu ý rằng để có quyền kiểm soát các biểu tượng cụm, bạn phải sử dụng MarkerClusterPlus , phiên bản nâng cao của MarkerCluster . MarkerClusterPlus tương thích ngược.

Đây là mã JS:

var map;
var mc;
var cityHall = new google.maps.LatLng(39.95240, -75.16362);

//multiplier min and max, for our random numbers
var min = .999;
var max = 1.001;

function initialize(){

    var options = { 
        zoom: 11, 
        center: cityHall, 
        mapTypeId: google.maps.MapTypeId.ROADMAP 
    }; 

    map = new google.maps.Map(document.getElementById('map'), options); 

    //marker cluster
    mc = new MarkerClusterer(map);  

    //plot a 100 markers that are randomly scattered around City Hall
    var i=0;

    for (i=0;i<=100;i++) {

        setTimeout(function() {
            var marker = addMarker();

                setTimeout(function () { 
                    mc.addMarker(marker);
                }, 1500);

        }, i * 50);

    }

}

function addMarker() {

    var newLat = cityHall.lat() * (Math.random() * (max - min) + min);
    var newLng = cityHall.lng() * (Math.random() * (max - min) + min);      

    var marker = new google.maps.Marker({
        position: new google.maps.LatLng(newLat,newLng),
        animation: google.maps.Animation.DROP,
        map: map
    });

    return marker;
}
— Casey
nguồn
Cảm ơn bạn, đây chính xác là những gì tôi đang tìm kiếm. Cổ vũ người bạn đời.
— Michael Markieta
Xin lỗi vì đã đánh cắp chủ đề này. Cố gắng thực hiện giải pháp của bạn ở đây vào bản đồ mẫu của tôi nhưng không có may mắn. Chỉ cần tự hỏi liệu bạn có thể cung cấp cho tôi một số gợi ý những gì tôi đang làm sai? gis.stackexchange.com/questions/35535/ Cách
— wibni
Xin chào @wibni Tôi đã cung cấp câu trả lời cho câu hỏi của bạn trong chuỗi khác.
— Casey
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