Google maps 谷歌地图API按地址查找区域
在我的应用程序中,我想按区域对项目地址进行分组,我的项目已经使用Google maps API来选择地址,并且具有Lat/Long坐标。我想自动按区域对它们进行分组 例如 如果我们有地址 应自动将其分配到区域,并在此处标记: 我的申请表中还应管理这些区域Google maps 谷歌地图API按地址查找区域,google-maps,google-maps-api-3,Google Maps,Google Maps Api 3,在我的应用程序中,我想按区域对项目地址进行分组,我的项目已经使用Google maps API来选择地址,并且具有Lat/Long坐标。我想自动按区域对它们进行分组 例如 如果我们有地址 应自动将其分配到区域,并在此处标记: 我的申请表中还应管理这些区域 据我所知,我应该将所有多边形坐标存储在后端,然后使用一些算法来查找地址的坐标是否属于该多边形?我说得对吗?或者我可以用谷歌地图API来获取它?我制作了一些非常粗糙的多边形(如果我侮辱了维尔纽斯的任何人,请原谅),但我想你会明白的 您正在寻找的
据我所知,我应该将所有多边形坐标存储在后端,然后使用一些算法来查找地址的坐标是否属于该多边形?我说得对吗?或者我可以用谷歌地图API来获取它?我制作了一些非常粗糙的多边形(如果我侮辱了维尔纽斯的任何人,请原谅),但我想你会明白的 您正在寻找的主要方法是google.maps.geometry.poly.containsLocation() 因此,我认为这为您提供了所需的组件;柱基。但是如果你想发生什么特别的事情,请告诉我
<!DOCTYPE html>
<html>
<head>
<style>
html, body, #map-canvas {
height: 400px;
margin: 0px;
padding: 0px
}
#my_div {
border: 1px solid grey;
}
</style>
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?libraries=geometry"></script>
<script>
// these are very rough estimations of the Elderships of Vilnius
// please use the correct boundaries
var polygonData = [
{name: 'Senamiestis', color: '#ff0000', points: [[54.68256489008578, 25.315074920654297],[54.67631238544733, 25.30803680419922],[54.670555259971174, 25.288639068603516],[54.6752205795425, 25.269927978515625],[54.68812186362444, 25.259113311767578],[54.69506701073871, 25.26529312133789],[54.68832031289468, 25.30099868774414]]},
{name: 'Rasos', color: '#00ff00', points: [[54.669066215366605, 25.305633544921875],[54.68554193480844, 25.329322814941406],[54.68335879002739, 25.362625122070312],[54.656754688760536, 25.345458984375],[54.610254981579146, 25.328292846679688],[54.60568162741719, 25.308380126953125],[54.65516583289068, 25.29705047607422]]},
{name: 'Antakalnis', color: '#0000ff', points: [[54.72699938009521, 25.30426025390625],[54.71589532099472, 25.34820556640625],[54.80780860259057, 25.500640869140625],[54.81967870427071, 25.335845947265625],[54.771385204918595, 25.300140380859375]]}
];
var polygons = [];
var map;
// random markers.
var markerData = [
[54.75478050308602,25.3638149499893],
[54.68324427673198,25.27517330646513],
[54.70583916710748,25.240154385566694],
[54.68453433466152,25.293562531471235],
[54.72900384013322,25.330534100532514],
[54.682078227560325,25.28394949436186],
[54.65034635955749,25.30793917179106]
];
var markers = [];
var mapOptions = {
zoom: 10,
center: new google.maps.LatLng(54.682611637187925,25.287838697433454), // Vilnius university
mapTypeId: google.maps.MapTypeId.ROADMAP
};
function initialize() {
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
// draw the markers
var markerLocations = toLatLng(markerData);
for(var i in markerLocations) {
markers.push( new google.maps.Marker({
position: markerLocations[i],
title: i, // I'll just set the index as title.
map: map
}) );
}
// draw the polygons
for(var j in polygonData) {
var points = toLatLng(polygonData[j].points);
polygons[j] = drawPolygon(points, polygonData[j].color, polygonData[j].name);
// let's see if markers are in this polygon
var content = '';
for(var i in markerLocations) {
if (google.maps.geometry.poly.containsLocation(markers[i].position, polygons[j])) {
// display
content += '<li>' + markers[i].title + '</li>';
// I guess what you really want to do, is put this data in an array, or so
}
}
document.getElementById('display-data').innerHTML += '<h3>' + polygonData[j].name + '</h3>' + '<ul>' + content + '</ul><hr/>';
}
}
// takes an array of coordinats, [ [], [], [] ] , and returns Google Maps LatLng objects
function toLatLng(point_arrays) {
var locations = [];
for(var i in point_arrays) {
locations.push( new google.maps.LatLng(point_arrays[i][0], point_arrays[i][1]));
}
return locations;
}
// draws a polygon
function drawPolygon(points, color, name) {
if(points.length < 3) {
return;
}
// @see https://developers.google.com/maps/documentation/javascript/examples/polygon-simple
polygon = new google.maps.Polygon({
paths: points,
strokeColor: color,
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: color,
fillOpacity: 0.35,
title: name,
map: map
});
return polygon;
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
<style>
ul, li {
list-style: none;
}
li {
display: inline;
border: 1px solid grey;
padding: 5px;
margin: 5px;
}
</style>
</head>
<body>
<div id="map-canvas"></div>
<div id="display-data"></div>
</body>
</html>
html,正文,#地图画布{
高度:400px;
边际:0px;
填充:0px
}
#我的分区{
边框:1px纯灰;
}
//这些都是对维尔纽斯长辈的粗略估计
//请使用正确的边界
变量polygonda=[
{名称:'Senamiestis',颜色:'ff0000',点数:[54.68256489008578,25.315074920654297],[54.67631238544733,25.30803680419922],[54.670555259971174,25.288639068603516],[54.67522057995425,25.2699279778515625],[54.68812186362444,25.259113317778],[54.695067073871,25.2652937833871],[12894744],
{名称:'Rasos',颜色:'00ff00',点数:[[54.66906621536605,25.30563544921875],[54.68554193480844,25.329322814941406],[54.68335879002739,25.362625122070312],[54.656754688760536,25.3454589375],[54.61025498151579146,25.328292846679688],[54.6056162741719,25.30839580725],[54.657082827422],
{名称:'Antakalis',颜色:'#0000ff',点数:[54.72699938009521,25.30426025390625],[54.71589532099472,25.34820556640625],[54.807808060259057,25.500640869140625],[54.81967870427071,25.335845947265625],[54.7713852049525,25.3001408575]]
];
var=[];
var映射;
//随机标记。
var markerData=[
[54.75478050308602,25.3638149499893],
[54.68324427673198,25.27517330646513],
[54.70583916710748,25.240154385566694],
[54.68453433466152,25.293562531471235],
[54.72900384013322,25.330534100532514],
[54.682078227560325,25.28394949436186],
[54.65034635955749,25.30793917179106]
];
var标记=[];
变量映射选项={
缩放:10,
中心:new google.maps.LatLng(54.68261637187925,25.287838697433454),//维尔纽斯大学
mapTypeId:google.maps.mapTypeId.ROADMAP
};
函数初始化(){
map=new google.maps.map(document.getElementById('map-canvas'),mapOptions);
//画记号笔
var markerLocations=toLatLng(markerData);
对于(markerLocations中的var i){
markers.push(新的google.maps.Marker)({
职位:markerLocations[i],
title:i,//我将把索引设置为title。
地图:地图
}) );
}
//绘制多边形
for(Polygonda中的变量j){
var points=toLatLng(Polygonda[j].点);
多边形[j]=绘图多边形(点,多边形[j]。颜色,多边形[j]。名称);
//让我们看看这个多边形中是否有标记
var内容=“”;
对于(markerLocations中的var i){
if(google.maps.geometry.poly.containsLocation(markers[i].位置,polygons[j])){
//展示
content+=''+标记[i].title+' ';
//我想你真正想做的是,把这些数据放在一个数组中,或者说
}
}
document.getElementById('display-data')。innerHTML+=''+polygonda[j]。name+''+''+content+'
;
}
}
//获取一个坐标数组[[]、[]、[]并返回Google Maps LatLng对象
函数toLatLng(点阵列){
var位置=[];
for(点阵列中的变量i){
locations.push(新的google.maps.LatLng(point_数组[i][0],point_数组[i][1]);
}
返回地点;
}
//绘制多边形
函数drawPolygon(点、颜色、名称){
如果(点长度<3){
返回;
}
//@见https://developers.google.com/maps/documentation/javascript/examples/polygon-simple
多边形=新的google.maps.polygon({
路径:点,
strokeColor:颜色,
笔划不透明度:0.8,
冲程重量:2,
fillColor:color,
不透明度:0.35,
标题:姓名,
地图:地图
});
返回多边形;
}
google.maps.event.addDomListener(窗口“加载”,初始化);
李先生{
列表样式:无;
}
李{
显示:内联;
边框:1px纯灰;
填充物:5px;
保证金:5px;
}
您可以做的是更新数据库中的markers表;添加一个字段“eldership”
您将从我的脚本中获得的数据发送到服务器,使用Ajax更新表(=您在标记的eldership字段中填写了eldership的id),因此您只需执行一次(并且您需要更新新标记…)。您能更具体一些吗?告诉我你有什么(在数据库里?)。你有长辈的界限吗?你有标记的位置吗。。。告诉我你想要这些结果。您是否将其放入表单并将结果提交给服务器(数据库)@EmmanuelDelay在数据库中,我已经从Maps API中获取了带有地址和位置(纬度/经度)标记的项。我还有一些长辈,物品现在是手工分配给长辈的。我想自动完成。实际问题是:什么信息