如何使用多个GeoMaps?
如果我只有一张地图,一切都还可以。如果我尝试添加另一个,而不再加载geomap可视化,则地图不会加载,如果我尝试加载它们,我会收到错误:Uncaught TypeError: Object #<Object> has no method 'Load'
两个地图的函数名称相同,如果我更改了第二个地图的函数名称,然后我必须更改回调
google.setOnLoadCallback(drawMap);
但是,如果我这样做,我会收到上面发布的错误....
更多代码:
//first map
<script type="text/javascript">
google.load("visualization", "1", {"packages": ["geomap"]});
google.setOnLoadCallback(drawMap);
function drawMap() {
var data = new google.visualization.DataTable();
data.addRows(16);
data.addColumn("string", "City");
data.addColumn("number", "Numar anunturi");
data.setValue(1, 0, 'Ilfov');
data.setValue(1, 1, 6);
var options = {width: 800,height:400};
options["region"] = "RO";
options["colors"] = [0xFF8747, 0xFFB581, 0xc06000]; //orange colors
options["dataMode"] = "markers";
var container = document.getElementById("map_chart_div");
var geomap = new google.visualization.GeoMap(container);
geomap.draw(data, options);
}
</script>
//second map
<script type="text/javascript">
function drawMap() {
var data = new google.visualization.DataTable();
data.addRows(16);
data.addColumn("string", "City");
data.addColumn("string", "pret/mp:");
data.setValue(0, 0, 'Ilfov');
data.setValue(0, 1, '50.44');
var options = {width: 800,height:400};
options["region"] = "RO";
options["colors"] = [0xFF8747, 0xFFB581, 0xc06000]; //orange colors
options["dataMode"] = "markers";
var container = document.getElementById("map_pret_div");
var geomap = new google.visualization.GeoMap(container);
geomap.draw(data, options);
}
</script>
答案 0 :(得分:2)
我修改了你的代码如下,它现在似乎工作,虽然你必须耐心加载第二个地图。在关闭第二张地图之前,我正在第一张地图上侦听drawingDone事件。我的理论是,这种惊人的阻止了两个映射在Visualization API内部踩到彼此的数据结构。但即使我对这个原因有误,这至少也有效。
我的更改可能会使用一些整理。对于那个很抱歉。我有点匆忙,但是在我跑去做其他事情之前想要得到工作代码。
<script type="text/javascript">
google.load("visualization", "1", {"packages": ["geomap"],"callback": "drawMaps"});
function drawMaps() {
drawMap1();
}
function drawMap1() {
var data = new google.visualization.DataTable();
data.addRows(16);
data.addColumn("string", "City");
data.addColumn("number", "Numar anunturi");
data.setValue(1, 0, 'Ilfov');
data.setValue(1, 1, 6);
var options = {width: 800,height:400};
options["region"] = "RO";
options["colors"] = [0xFF8747, 0xFFB581, 0xc06000]; //orange colors
options["dataMode"] = "markers";
var container = document.getElementById("map_chart_div");
var geomap = new google.visualization.GeoMap(container);
geomap.draw(data, options);
google.visualization.events.addListener(geomap, 'drawingDone', drawMap2);
}
function drawMap2() {
var data = new google.visualization.DataTable();
data.addRows(16);
data.addColumn("string", "City");
data.addColumn("string", "pret/mp:");
data.setValue(0, 0, 'Ilfov');
data.setValue(0, 1, '50.44');
var options = {width: 800,height:400};
options["region"] = "RO";
options["colors"] = [0xFF8747, 0xFFB581, 0xc06000]; //orange colors
options["dataMode"] = "markers";
var container = document.getElementById("map_pret_div");
var geomap2 = new google.visualization.GeoMap(container);
geomap2.draw(data, options);
}
</script>