i use Esri basemap World_Topo_Map (MapServer)
then overlay my Tiled Map Services; my Tiled Map Services display incorrect place.
How To overlays two Tiled Map Services with Different Spatial References in ArcGIS API for JavaScript?( two Services cached scale as same; Different Spatial References)??
my code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://js.arcgis.com/3.18/esri/css/esri.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<link href="css/main.css" rel="stylesheet" />
<script src="https://js.arcgis.com/3.18/"></script>
<script type="text/javascript">
var map;
require([
"esri/map",
"dojo/ready",
"esri/SpatialReference",
"esri/layers/ArcGISTiledMapServiceLayer",
"dojo/dom",
"dojo/on",
"dojo/_base/array",
"dojo/parser",
"dojo/domReady!"
], function (
Map,
ready,
SpatialReference,
ArcGISTiledMapServiceLayer,
dom,
on,
array,
parser
) {
ready(function () {
parser.parse();
});
var spatialReference2 = new SpatialReference({ "wkt": 'PROJCS["VN-2000",GEOGCS["GCS_VN_2000",DATUM["D_VN_2000",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",107.75],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]],VERTCS["Hon_Dau_1992",VDATUM["Hon_Dau_1992"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]'
});
map = new Map("mapDiv", {
spatialReference: spatialReference2
});
var pathGooglemap = "http://services.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer";
var tiled = new ArcGISTiledMapServiceLayer("http://stnmt.dongnai.gov.vn:8080/atlasadaptor/rest/services/Bandochuyende/NEN_CAOSU_vn_g/MapServer");
map.addLayers([tiled]);
map.on("Click", function (evt) {
GooglemapLayer = new ArcGISTiledMapServiceLayer(pathGooglemap,
{
id: "idchuyende"
});
map.addLayer(GooglemapLayer, 0);
});
});
</script>
<title></title>
</head>
<body class="claro">
<div id="conttain">
<div id="divmap_data">
<div id="mapDiv">
</div>
</div>
</div>
</body>
</html>
La Sinh,
You Can Not use two tiled services that are not in the same WKID.
Thank repply, you have any approach for this problem? can use Dynamic map service overlay Esri basemap World_Topo_Map (MapServer)?
La Sinh,
Yes you can use ArcGISDynamicMapServiceLayer as that type layer will request ArcGIS Server to reproject the data to match the maps WKID.
About speed, ArcGISDynamicMapServiceLayer speed faster or run faster tiled servicesArcGISDynamic? MapServiceLayer has not load faster tiled services?
Tiles will always be faster