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leaflet-esri-to-geojson.html
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<!DOCTYPE html>
<html lang="en-us">
<head>
<meta charset="utf-8" />
<title>Map ESRI REST Features on Leaflet - LeafletJS Kit</title>
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0;" />
<link type="text/css" rel="stylesheet" href="css/leaflet-0.4.css" />
<!-- <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4/leaflet.css" /> -->
<script src="http://code.jquery.com/jquery-1.8.0.min.js"></script>
<script src="http://cdn.leafletjs.com/leaflet-0.4/leaflet.js"></script>
<script type="text/javascript" src="js/esri-json-converters.js"></script>
<script type="text/javascript">
var map, ptSymbol, lineSymbol, polySymbol, jsonconverter, geoJsonLayer;
//default symbols for features
ptSymbol = {
radius: 8,
fillColor: "#ff7800",
color: "#000",
weight: 1,
opacity: 1,
fillOpacity: 0.8
};
lineSymbol = {
"color": "#ff0000",
"weight": 4,
"opacity": 0.7
};
polySymbol = {
"fillColor": "#ff7800",
"color": "#000",
"weight": 1,
"opacity": 1,
"fillOpacity": 0.8
};
//get style object for line or polygon
function getAppropriateStyle(geomType){
var s;
if (geomType === "LineString" || geomType === "MultiLineString"){
s = lineSymbol;
}
else if (geomType === "Polygon" || geomType === "MultiPolygon"){
s = polySymbol;
}
return s;
}
//function to set popup for feature
function onEachFeature(feature, layer) {
var popupContent = "", prop;
if (feature.properties) {
for(prop in feature.properties){
popupContent += "<p>" + prop + ": " + feature.properties[prop] + "</p>";
}
}
layer.bindPopup(popupContent);
}
//make initial map with tile layer. Leaflet sets centerpoint of map using lat (y),long (x) not x,y
$(document).ready(function(){
jsonconverter = esriConverter();
map = L.map("map").setView([37,-95], 4);
L.tileLayer("http://acetate.geoiq.com/tiles/acetate/{z}/{x}/{y}.png", {
attribution: "Map data <a href='http://geocommons.com'>Geocommons</a>",
maxZoom: 18
}).addTo(map);
});
//fetch sample features, convert to geojson, and map them
function doTest() {
if (geoJsonLayer){
map.removeLayer(geoJsonLayer)
}
var elem = document.getElementById("selType"), esriObject, symbol, gcFeats;
switch(elem[elem.selectedIndex].value) {
case "Point":
esriObject = getTestPoint();
break;
case "MultiPoint":
esriObject = getTestMultipoint();
break;
case "Line":
esriObject = getTestPolyline();
break;
case "MultiLine":
esriObject = getTestPolylineMultipart();
break;
case "Polygon":
esriObject = getTestPoly();
break;
case "Donut":
esriObject = getTestPolyHole();
break;
case "MultiPolygon":
esriObject = getTestPolyMultipart();
break;
}
if (!esriObject){
return undefined;
}
gcFeats = jsonconverter.toGeoJson(esriObject);
if (gcFeats && gcFeats.features){
symbol = getAppropriateStyle(gcFeats.features[0].geometry.type);
geoJsonLayer = L.geoJson(gcFeats,{
style: symbol,
onEachFeature: onEachFeature,
pointToLayer: function(feature,latlng){
return L.circleMarker(latlng,ptSymbol);
}
});
geoJsonLayer.addTo(map);
}
}
//functions to return sample ESRI REST feature collections
function getTestPoint() {
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment"
},
"geometryType": "esriGeometryPoint",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
}
],
"features": [
{
"attributes": {
"OBJECTID": 1,
"comment": "single point"
},
"geometry": {
"x": -112.51369763299999,
"y": 36.903279658000031
}
},
{
"attributes": {
"OBJECTID": 2,
"comment": "single point"
},
"geometry": {
"x": -105.75944274699998,
"y": 35.648918037000044
}
},
{
"attributes": {
"OBJECTID": 3,
"comment": "single point"
},
"geometry": {
"x": -99.777102704999947,
"y": 38.929556124000044
}
}
]
};
}
function getTestMultipoint(){
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment"
},
"geometryType": "esriGeometryMultipoint",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
}
],
"features": [
{
"attributes": {
"OBJECTID": 1,
"comment": "two part multi point"
},
"geometry": {
"points": [
[
-96.496464617999948,
39.315513546000034
],
[
-95.049124285999937,
36.517322236000041
]
]
}
}
]
};
}
function getTestPolyline() {
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment",
"SHAPE_Length": "SHAPE_Length"
},
"geometryType": "esriGeometryPolyline",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
},
{
"name": "SHAPE_Length",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Length"
}
],
"features": [
{
"attributes": {
"OBJECTID": 1,
"comment": null,
"SHAPE_Length": 14.06660909310343
},
"geometry": {
"paths": [
[
[
-116.61876320599998,
31.045476568000026
],
[
-111.31184865299997,
34.13313594400006
],
[
-103.39972150099999,
33.650689167000053
]
]
]
}
}
]
};
}
function getTestPolylineMultipart(){
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment",
"SHAPE_Length": "SHAPE_Length"
},
"geometryType": "esriGeometryPolyline",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
},
{
"name": "SHAPE_Length",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Length"
}
],
"features": [
{
"attributes": {
"OBJECTID": 2,
"comment": "two part line",
"SHAPE_Length": 45.506808616042036
},
"geometry": {
"paths": [
[
[
-119.22397580399996,
33.264731745000063
],
[
-112.85567834099999,
36.255901766000079
],
[
-103.01376407899994,
35.966433699000049
],
[
-103.20674278999996,
39.536539853000079
],
[
-109.38206154299996,
39.536539853000079
]
],
[
[
-120.76780549299997,
36.738348543000029
],
[
-116.61876320599998,
41.176858897000045
],
[
-108.61014669799994,
42.141752452000048
],
[
-103.88216827899998,
41.948773741000025
]
]
]
}
}
]
};
}
function getTestPoly() {
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment",
"SHAPE_Length": "SHAPE_Length",
"SHAPE_Area": "SHAPE_Area"
},
"geometryType": "esriGeometryPolygon",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
},
{
"name": "SHAPE_Length",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Length"
},
{
"name": "SHAPE_Area",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Area"
}
],
"features": [
{
"attributes": {
"OBJECTID": 1,
"comment": "single ring",
"SHAPE_Length": 39.091716694263198,
"SHAPE_Area": 93.483675292406303
},
"geometry": {
"rings": [
[
[
-119.03099709299994,
46.387284094000051
],
[
-111.31184865299997,
48.220581849000041
],
[
-106.10142345499997,
43.010156651000045
],
[
-113.43461447399994,
38.668135653000036
],
[
-121.63620969199997,
39.922497275000069
],
[
-119.03099709299994,
46.387284094000051
]
]
]
}
}
]
};
}
function getTestPolyHole() {
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment",
"SHAPE_Length": "SHAPE_Length",
"SHAPE_Area": "SHAPE_Area"
},
"geometryType": "esriGeometryPolygon",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
},
{
"name": "SHAPE_Length",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Length"
},
{
"name": "SHAPE_Area",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Area"
}
],
"features": [
{
"attributes": {
"OBJECTID": 2,
"comment": "one outer two inner",
"SHAPE_Length": 71.925056583331951,
"SHAPE_Area": 125.1150652646341
},
"geometry": {
"rings": [
[
[
-100.11908341399999,
42.238241807000065
],
[
-90.084190440999976,
42.527709874000038
],
[
-93.461317883999982,
29.115689458000077
],
[
-98.285785658999941,
25.642072660000053
],
[
-102.62780665699995,
32.492816901000026
],
[
-100.11908341399999,
42.238241807000065
]
],
[
[
-98.189296303999981,
40.694412119000049
],
[
-99.443657924999968,
37.413774032000049
],
[
-96.259509192999985,
38.282178231000046
],
[
-95.487594348999949,
40.694412119000049
],
[
-98.189296303999981,
40.694412119000049
]
],
[
[
-97.031424036999965,
33.843667878000076
],
[
-97.417381458999955,
31.141965924000033
],
[
-94.522700793999945,
33.168242389000056
],
[
-94.715679504999969,
35.773454988000026
],
[
-97.031424036999965,
33.843667878000076
]
]
]
}
}
]
};
}
function getTestPolyMultipart(){
return {
"displayFieldName": "comment",
"fieldAliases": {
"OBJECTID": "OBJECTID",
"comment": "comment",
"SHAPE_Length": "SHAPE_Length",
"SHAPE_Area": "SHAPE_Area"
},
"geometryType": "esriGeometryPolygon",
"spatialReference": {
"wkid": 4326,
"latestWkid": 4326
},
"fields": [
{
"name": "OBJECTID",
"type": "esriFieldTypeOID",
"alias": "OBJECTID"
},
{
"name": "comment",
"type": "esriFieldTypeString",
"alias": "comment",
"length": 50
},
{
"name": "SHAPE_Length",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Length"
},
{
"name": "SHAPE_Area",
"type": "esriFieldTypeDouble",
"alias": "SHAPE_Area"
}
],
"features": [
{
"attributes": {
"OBJECTID": 3,
"comment": "three outer two inner",
"SHAPE_Length": 121.4219991613185,
"SHAPE_Area": 156.42059840053369
},
"geometry": {
"rings": [
[
[
-84.970254598999986,
47.834624427000051
],
[
-78.119510357999957,
48.220581849000041
],
[
-80.049297467999963,
39.247071786000049
],
[
-84.970254598999986,
37.027816610000059
],
[
-84.970254598999986,
47.834624427000051
]
],
[
[
-102.91727472299999,
46.773241516000041
],
[
-97.224402747999989,
48.799517982000054
],
[
-97.224402747999989,
43.685582140000065
],
[
-102.62780665699995,
43.203135362000069
],
[
-102.91727472299999,
46.773241516000041
]
],
[
[
-94.522700793999945,
49.378454115000068
],
[
-87.382488486999989,
49.281964759000061
],
[
-87.671956552999973,
34.326114655000026
],
[
-94.812168860999975,
37.220795321000026
],
[
-94.522700793999945,
49.378454115000068
]
],
[
[
-91.820998839999959,
46.483773450000058
],
[
-93.075360461999935,
43.299624718000075
],
[
-90.084190440999976,
42.527709874000038
],
[
-89.022807529999966,
46.676752161000081
],
[
-91.820998839999959,
46.483773450000058
]
],
[
[
-92.689403039999945,
40.983880186000079
],
[
-93.364828527999975,
37.606752743000072
],
[
-90.470147862999966,
37.124305965000076
],
[
-89.505254307999962,
40.887390830000072
],
[
-92.689403039999945,
40.983880186000079
]
]
]
}
}
]
};
}
</script>
</head>
<body>
<h1>Map ESRI REST Features on Leaflet - LeafletJS Kit</h1>
<div id="map" style="width: 800px; height: 400px"></div>
<div style="padding: 5px">
<select id="selType" onchange="doTest();">
<option>Select a geometry type</option>
<option value="Point">Point</option>
<option value="MultiPoint">MultiPoint</option>
<option value="Line">Line</option>
<option value="MultiLine">MultiLine</option>
<option value="Polygon">Polygon</option>
<option value="Donut">Donut Polygon</option>
<option value="MultiPolygon">MultiPolygon</option>
</select>
</div>
<p><cite><a href="http://esri.github.io/geojson-utils/examples/esri_leaflet.html">This example shows how to map simple json features from Esri within the Leaflet Javascript mapping library.</a>, <a href="https://github.com/Esri/geojson-utils">https://github.com/Esri/geojson-utils</a></cite></p>
</body>
</html>