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zhongjin
2020-06-13 18:34:34 +08:00
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examples/internal/leaflet-geometry-editor.html
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<!DOCTYPE html>
<html>
<head>
<title>Geometry Editor | CARTO</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" />
<link rel="stylesheet" href="../../dist/internal/themes/css/cartodb.css" />
<!-- Include Leaflet -->
<script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>
<link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
<style>
html, body {
height: 100%;
padding: 0;
margin: 0;
}
body {
font-family: 'Open Sans';
display: flex;
flex-direction: row;
}
.sidebar-title {
line-height: 2em;
padding: 0 10px;
text-transform: uppercase;
}
.sidebar-title-dark {
background: black;
color: white;
}
#sidebar {
width: 300px;
height: 100%;
display: flex;
flex-direction: column;
}
#map {
height: 100%;
flex: 1;
position: relative;
}
#controls {
padding: 10px;
}
#controls button {
font-size: 14px;
color: blue;
text-decoration: underline;
display: block;
margin-bottom: 10px;
}
#controls button.is-enabled {
color: red;
text-decoration: none;
}
#geojsonViewer {
flex:1;
padding: 10px;
background: black;
}
#geojsonViewer textarea {
background: black;
font-family: "Lucida Console", Monaco, monospace;
font-size: 12px;
border: none;
color: #CDCDCD;
width: 100%;
height: 100%;
outline: none;
}
h1 {
font-size: 2em;
line-height: 1em;
margin: 10px;
}
</style>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
</head>
<body>
<div id="sidebar">
<h1>Geometry Editor</h1>
<p class="sidebar-title">Tools</p>
<div id="controls">
<button class="js-drawing-control js-draw-point">Draw Point</button>
<button class="js-drawing-control js-draw-line">Draw Polyline</button>
<button class="js-drawing-control js-draw-polygon">Draw Polygon</button>
<br/>
<button class="js-drawing-control js-edit-geometry-point">Edit Point</button>
<button class="js-drawing-control js-edit-geometry-polyline">Edit Polyline</button>
<button class="js-drawing-control js-edit-geometry-polygon">Edit Polygon</button>
<br/>
<button class="js-drawing-control js-edit-geometry-multi-point">Edit MultiPoint</button>
<button class="js-drawing-control js-edit-geometry-multi-polyline">Edit MultiPolyline</button>
<button class="js-drawing-control js-edit-geometry-multi-polygon">Edit MultiPolygon</button>
<br/>
<button class="js-drawing-control js-edit-features">Click & Edit</button>
</div>
<p class="sidebar-title sidebar-title-dark">GeoJSON</p>
<div id="geojsonViewer">
<textarea class="js-geojson-textarea" readonly></textarea>
</div>
</div>
<div id="map"></div>
<!-- include cartodb.js library -->
<script src="../../dist/internal/cartodb.uncompressed.js"></script>
<script>
var vizjson = {
"id":"2b13c956-e7c1-11e2-806b-5404a6a683d5",
"version":"0.1.0",
"title":"european_countries_e 0",
"likes":0,
"description":null,
"scrollwheel":true,
"legends":true,
"url":null,
"map_provider":"leaflet",
"center":"[52.5897007687178, 52.734375]",
"zoom":4,
"updated_at":"2015-03-13T11:24:37+00:00",
"datasource": {
"user_name": "documentation",
"maps_api_template": "http://{user}.cartodb.com:80",
"force_cors": true, // This is sometimes set in the editor,
"stat_tag": "84ec6844-4b4b-11e5-9c1d-080027880ca6"
},
"layers":[
{
"options":{
"id":"0a3d9104-99c6-482b-9f8c-7c6134bddcdc",
"order":0,
"visible":true,
"type":"Tiled",
"name":"Positron",
"className":"default positron_rainbow",
"baseType":"positron_rainbow",
"urlTemplate":"http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png",
"read_only":true,
"minZoom":"0",
"maxZoom":"18",
"attribution":"&copy; <a href=\"http://www.openstreetmap.org/copyright\">OpenStreetMap</a> contributors",
"subdomains":"abcd",
"category":"CartoDB"
},
"infowindow":null,
"tooltip":null,
"id":"0a3d9104-99c6-482b-9f8c-7c6134bddcdc",
"order":0,
"type":"tiled"
},
{
"id":"923b7812-2d56-41c6-ac15-3ce430db090f",
"type":"CartoDB",
"infowindow":{
"fields":[
{
"name":"name",
"title":true,
"position":4
}
],
"template": '' +
'<div class="CDB-infowindow CDB-infowindow--custom js-infowindow" style="max-width: 200px;">' +
'<div class="CDB-infowindow-close js-close"></div>' +
'<div class="CDB-infowindow-container">' +
'<div class="CDB-infowindow-header CDB-infowindow-headerBg CDB-infowindow-headerBg--dark">' +
'<div class="CDB-infowindow-list">' +
'<div class="CDB-infowindow-listItem">' +
'<h4 class="CDB-infowindow-title">{{ name }}</h4>' +
'</div>' +
'</div>' +
'</div>' +
'<div class="CDB-hook CDB-hook--white">' +
'<div class="CDB-hook-inner">' +
'</div>' +
'</div>' +
'</div>' +
'</div>',
"alternative_names":{},
"width":226,
"maxHeight":180
},
"tooltip":{
"fields": [
{
"name": "name",
"title": true,
"position": 1
}
],
"template_name":"tooltip_light",
"template": ' '+
'<div class="CDB-Tooltip CDB-Tooltip--isDark js-content">'+
'<ul class="CDB-Tooltip-list">'+
'{{#fields}}'+
'<li class="CDB-Tooltip-listItem">'+
'<h3 class="CDB-Tooltip-listTitle">NAME</h3>'+
'<h4 class="CDB-Tooltip-listText">{{value}}</h4>'+
'</li>'+
'{{/fields}}'+
'</ul>'+
'</div>',
"alternative_names":{},
"maxHeight":180
},
"legend":{
"type":"choropleth",
"show_title":false,
"title":"",
"template":"",
"items":[
{
"name":"Left label",
"visible":true,
"value":"5592.00",
"type":"text"
},
{
"name":"Right label",
"visible":true,
"value":"1638094.00",
"type":"text"
},
{
"name":"Color",
"visible":true,
"value":"#FFFFB2",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#FED976",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#FEB24C",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#FD8D3C",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#FC4E2A",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#E31A1C",
"type":"color"
},
{
"name":"Color",
"visible":true,
"value":"#B10026",
"type":"color"
}
]
},
"order":1,
"visible":true,
"options":{
"sql":"select * from european_countries_e",
"layer_name":"european_countries_e",
"cartocss":"/** choropleth visualization */\n\n#european_countries_e{\n polygon-fill: #FFFFB2;\n polygon-opacity: 0.8;\n line-color: #FFF;\n line-width: 1;\n line-opacity: 0.5;\n}\n#european_countries_e [ area <= 1638094] {\n polygon-fill: #B10026;\n}\n#european_countries_e [ area <= 55010] {\n polygon-fill: #E31A1C;\n}\n#european_countries_e [ area <= 34895] {\n polygon-fill: #FC4E2A;\n}\n#european_countries_e [ area <= 12890] {\n polygon-fill: #FD8D3C;\n}\n#european_countries_e [ area <= 10025] {\n polygon-fill: #FEB24C;\n}\n#european_countries_e [ area <= 9150] {\n polygon-fill: #FED976;\n}\n#european_countries_e [ area <= 5592] {\n polygon-fill: #FFFFB2;\n}",
"cartocss_version":"2.1.1",
"table_name":"\"\"."
}
},
{
"options": {
"visible": true,
"type": "Tiled",
"default": "true",
"url": "http://{s}.basemaps.cartocdn.com/light_only_labels/{z}/{x}/{y}.png",
"subdomains": "abcd",
"minZoom": "0",
"maxZoom": "18",
"attribution": "&copy; <a href=\"http://www.openstreetmap.org/copyright\">OpenStreetMap</a> contributors",
"urlTemplate": "http://{s}.basemaps.cartocdn.com/light_only_labels/{z}/{x}/{y}.png",
"name": "Positron Labels",
"id": "bc054932-1ae8-4d4a-96d6-d49ce4247a59",
"className": "httpsbasemapscartocdncomlight_only_labelszxypng",
"order": 3
},
"infowindow": null,
"tooltip": null,
"id": "bc054932-1ae8-4d4a-96d6-d49ce4247a59",
"order": 3,
"type": "tiled"
}
],
"overlays":[
{
"type":"loader",
"options":{
"display":true,
"x":20,
"y":150
}
},
{
"type":"fullscreen",
"options":{
"x":20,
"y":140,
"display":true
}
},
{
"type":"search",
"options":{
"display":true
}
},
{
"type":"zoom",
"options":{
"x":20,
"y":20,
"display":true
}
}
],
"prev":null,
"next":null,
"transition_options":{}
};
var point = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
-3.779296875,
40.245991504199026
]
}
};
var polygon = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-8.96484375,
41.918628865183045
],
[
-7.84423828125,
43.74728909225908
],
[
-1.69189453125,
43.34914966389313
],
[
3.1091308593749996,
42.35042512243457
],
[
3.1640625,
41.828642001860544
],
[
-1.9555664062500002,
36.94111143010769
],
[
-5.55908203125,
36.00467348670187
],
[
-7.31689453125,
37.3002752813443
],
[
-6.39404296875,
41.74672584176937
],
[
-8.96484375,
41.918628865183045
]
]
]
}
};
var polyline = {
"type": "Feature",
"properties": {},
"geometry": {
"type": "LineString",
"coordinates": [
[
-2.021484375,
43.51668853502906
],
[
3.6035156249999996,
42.293564192170095
]
]
}
};
var multiPoint = {
"type": "MultiPoint",
"coordinates": [ [100.0, 0.0], [101.0, 1.0] ]
};
var multiPolyline = {
"type": "MultiLineString",
"coordinates": [
[ [100.0, 0.0], [101.0, 1.0] ],
[ [102.0, 2.0], [103.0, 3.0] ]
]
};
var multiPolygon = {
"type": "MultiPolygon",
"coordinates": [
[
[ [102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0] ]
],
[
[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ]
]
]
};
function displayGeoJSON (geometry) {
updateDisplayedGeoJSON(geometry);
geometry.on('change', updateDisplayedGeoJSON);
}
function updateDisplayedGeoJSON (geometry) {
if (geometry.isComplete()) {
$('.js-geojson-textarea').val(JSON.stringify(geometry.toGeoJSON(), null, 2));
}
}
function clearGeoJSON () {
$('.js-geojson-textarea').val('');
}
function drawPoint (vis) {
return drawGeometry(vis, vis.map.drawPoint());
}
function drawPolyline (vis) {
return drawGeometry(vis, vis.map.drawPolyline());
}
function drawPolygon (vis) {
return drawGeometry(vis, vis.map.drawPolygon());
}
function editGeometry (vis, geoJSON) {
var geometry = window.geometry = vis.map.editGeometry(geoJSON);
displayGeoJSON(geometry);
}
function enableClickToEdit (vis) {
vis.map.enableFeatureInteractivity();
vis.map.on('featureClick', fetchFeatureAndEditGeometry, this);
}
function disableClickToEdit (vis) {
vis.map.disableFeatureInteractivity();
vis.map.stopDrawingGeometry();
vis.map.off('featureClick', fetchFeatureAndEditGeometry, this);
}
function fetchFeatureAndEditGeometry (event) {
var featureID = event.feature.cartodb_id;
var tableName = 'european_countries_e';
var sql = new cartodb.SQL({
protocol: 'https',
user: 'documentation',
host: 'cartodb.com'
});
sql.execute("SELECT ST_AsGeoJSON(the_geom) AS geojson FROM {{tableName }} WHERE cartodb_id = {{id}}", { tableName: tableName, id: featureID })
.done(function(data) {
var geoJSON = JSON.parse(data.rows[0].geojson);
editGeometry(vis, geoJSON);
})
.error(function(errors) {
// errors contains a list of errors
console.log("errors:" + errors);
});
}
function drawGeometry (vis, geometry) {
window.geometry = geometry;
clearGeoJSON();
displayGeoJSON(geometry);
return geometry;
}
function enableControls (vis) {
$('.js-drawing-control').click(function () {
var clickedControl = this;
$('.js-drawing-control').each(function (index) {
var isEnabled = false;
if (clickedControl === this) {
isEnabled = !($(this).hasClass('is-enabled'));
}
$(this).toggleClass('is-enabled', isEnabled);
});
vis.map.stopDrawingGeometry();
vis.map.stopEditingGeometry();
});
document.querySelector('.js-draw-point').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
drawPoint(vis);
}
});
document.querySelector('.js-draw-line').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
drawPolyline(vis);
}
});
document.querySelector('.js-draw-polygon').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
drawPolygon(vis);
}
});
document.querySelector('.js-edit-geometry-point').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, point);
}
});
document.querySelector('.js-edit-geometry-polyline').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, polyline);
}
});
document.querySelector('.js-edit-geometry-polygon').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, polygon);
}
});
document.querySelector('.js-edit-geometry-multi-point').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, multiPoint);
}
});
document.querySelector('.js-edit-geometry-multi-polyline').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, multiPolyline);
}
});
document.querySelector('.js-edit-geometry-multi-polygon').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
editGeometry(vis, multiPolygon);
}
});
document.querySelector('.js-edit-features').addEventListener('click', function () {
if ($(this).hasClass('is-enabled')) {
enableClickToEdit(vis);
} else {
disableClickToEdit(vis);
}
});
}
function main () {
cartodb.createVis('map', vizjson, {
legends: false
})
.done(function (vis, layers) {
enableControls(vis);
})
.error(function (err) {
console.log(err);
});
}
window.onload = main;
</script>
</body>
</html>