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Map Service Spatial Reference Incorrect

JoshObrecht

I am trying to add a map service into my application. The application has a spatial reference of 102100, as does the map service on the server. However when I add the service, it gets changed to 4326. Has anyone seen this issue previously and can give some insight?

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Accepted answers

RobertScheitlin__GISP

Josh,

it sound like you need to wait for the layer to load before you set the maps extent.

All comments

JoshObrecht

Ok this is interesting. Once I take the alert out, it reverts back to zooming into the ocean.

JoshObrecht

Ok I can't explain this but it seems to be zooming properly now even though it still shows 4326. This I can deal with as that is all I was wanting it to do. If something breaks again, I'll get back to you.

RobertScheitlin__GISP

Josh,

So the map service that http://localhost/server30/rest/services/acpf/MapServer‌ represents has a WKID of 102100? What does it's Initial Extent values actually look like when you view the Rest Service Directory page for this layer?

JoshObrecht

Here is what the addToMap function actually looks like. I accidentally removed a couple of pieces. Also when I set the extent, it goes to the middle of the ocean.

function addToMap(idResults, evt) {

var idResult;

for (var i = 0, il = idResults.length; i < il; i++) {

idResult = idResults.feature;

}

if (dijit.byId("val2").checked) {

window.open("http://localhost/ST30_EDF_PDF/FB" + idResult.attributes.HUC_12 + ".pdf");

}

if (dijit.byId("val3").checked) {

if (map.getLevel() > 5) {

aspf = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost/server30/rest/services/acpf/MapServer", {

visible : true

});

} else {

aspf = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost/server30/rest/services/acpf/MapServer", {

visible : false

});

}

map.addLayer(aspf);

alert(aspf.spatialReference.wkid)

map.setExtent(aspf.initialExtent);

legend.layerInfos.splice(1, 0, {

layer : aspf,

title : " ",

autoToggle : false

});

legend.refresh();

}

dojo.addOnLoad(init);

});

RobertScheitlin__GISP

Josh,

Where are you adding that alert? Is it in one of the identify functions? If so then you are just seeing a known bug.

Here is a thread talking about results coming back with wrong WKID.

IdentifyTask + InfoWindow 'Zoomto' button using wrong spatial reference‌

JoshObrecht

Not sure how well this will work. I can't give actual links since the services are not public yet.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>

<head>

<!--The viewport meta tag is used to improve the presentation and behavior of the samples

on iOS devices-->

<title>EDF Land-Use Viewer</title>

<style>

html, body {

height: 100%;

width: 100%;

margin: 0;

padding: 0;

}

.esriScalebar {

padding: 20px 20px;

}

#map {

padding: 0;

}

</style>

var djConfig = {

parseOnLoad : true,

paths : {

//if you want to host on your own server, download and put in folders then use

// path like:

agsjs : location.pathname.replace(/\/[^/]+$/, '') + '/../st30_huc/agsjs'

}

};

</script>

require(["dojo/_base/connect", "dojo/dom", "dojo/parser", "dojo/on", "dojo/_base/Color", "esri/map", "esri/geometry/Extent", "esri/layers/FeatureLayer", "esri/layers/ArcGISTiledMapServiceLayer", "esri/layers/ArcGISDynamicMapServiceLayer", "esri/symbols/SimpleFillSymbol", "esri/renderers/ClassBreaksRenderer", "agsjs/dijit/TOC", "esri/dijit/BasemapToggle", "dijit/layout/BorderContainer", "dijit/layout/TabContainer", "dijit/form/Button", "dijit/layout/ContentPane", "dijit/form/CheckBox", "dijit/dijit", "dojo/fx", "dojo/domReady!"], function(connect, dom, parser, on, Color, Map, Extent, FeatureLayer, ArcGISTiledMapServiceLayer, ArcGISDynamicMapServiceLayer, SimpleFillSymbol, ClassBreaksRenderer, TOC, BasemapToggle) {

/* dojo.require("dijit.dijit"); // optimize: load dijit layer

dojo.require("dijit.layout.TabContainer");

dojo.require("dijit.form.Button");

dojo.require("dijit.form.CheckBox");

dojo.require("esri.dijit.Legend");

dojo.require("esri.dijit.BasemapToggle");*/

var myOnClick_connect, aspf, legend, dynamicLayer;

var map, toggle;

function init() {

var lods = [{

"level" : 5,

"resolution" : 4891.96981024998,

"scale" : 1.8489297737236E7

}, {

"level" : 6,

"resolution" : 2445.98490512499,

"scale" : 9244648.868618

}, {

"level" : 7,

"resolution" : 1222.99245256249,

"scale" : 4622324.434309

}, {

"level" : 8,

"resolution" : 611.49622628138,

"scale" : 2311162.217155

}, {

"level" : 9,

"resolution" : 305.748113140558,

"scale" : 1155581.108577

}, {

"level" : 10,

"resolution" : 152.874056570411,

"scale" : 577790.554289

}, {

"level" : 11,

"resolution" : 76.4370282850732,

"scale" : 288895.277144

}, {

"level" : 12,

"resolution" : 38.2185141425366,

"scale" : 144447.638572

}, {

"level" : 13,

"resolution" : 19.1092570712683,

"scale" : 72223.819286

}, {

"level" : 14,

"resolution" : 9.55462853563415,

"scale" : 36111.909643

}, {

"level" : 15,

"resolution" : 4.77731426794937,

"scale" : 18055.954822

}, {

"level" : 16,

"resolution" : 2.38865713397468,

"scale" : 9027.977411

}];

var initialExtent = new esri.geometry.Extent({

"xmin" : -10829199.684,

"ymin" : 4415445.069,

"xmax" : -9713948.365,

"ymax" : 5868854.92,

"spatialReference" : {

"wkid" : 102100

}

});

map = new Map("map", {

extent : initialExtent,

lods : lods,

basemap : "streets"

});

var dynamicUrl = "http://localhost/server30/rest/services/edf/MapServer";

toggle = new BasemapToggle({

map : map,

visible : false,

basemap : "satellite"

}, "BasemapToggle");

toggle.startup();

dynamicLayer = new esri.layers.ArcGISTiledMapServiceLayer(dynamicUrl);

dojo.connect(map, 'onLayersAddResult', function(results) {

legend = new TOC({

map : map,

layerInfos : [{

layer : dynamicLayer,

title : ' '

}]

}, "legendDiv");

legend.startup();

});

map.addLayers([dynamicLayer]);

identifyTask = new esri.tasks.IdentifyTask("http://localhost/server30/rest/services/edf/MapServer");

identifyParams = new esri.tasks.IdentifyParameters();

identifyParams.tolerance = 3;

identifyParams.returnGeometry = true;

identifyParams.layerIds = [2];

identifyParams.layerOption = esri.tasks.IdentifyParameters.LAYER_OPTION_ALL;

identifyParams.width = map.width;

identifyParams.height = map.height;

var layer = map.getLayer(map.layerIds[0]);

layer.setVisibility(false);

dojo.connect(map, "onExtentChange", showExtent);

dojo.connect(dijit.byId("val1"), "onChange", function(isChecked) {

if (isChecked) {

dojo.disconnect(myOnClick_connect);

}

});

dojo.connect(dijit.byId("val2"), "onChange", function(isChecked) {

if (isChecked) {

dojo.disconnect(myOnClick_connect);

myOnClick_connect = dojo.connect(map, "onClick", doIdentify);

}

});

dojo.connect(dijit.byId("val3"), "onChange", function(isChecked) {

if (isChecked) {

dojo.disconnect(myOnClick_connect);

myOnClick_connect = dojo.connect(map, "onClick", doIdentify);

}

});

}

function showExtent(extent) {

var layer = map.getLayer(map.layerIds[0]);

if (map.getLevel() > 5) {

toggle.show();

layer.setVisibility(true);

if (aspf) {

aspf.setVisibility(true);

}

} else {

toggle.hide();

layer.setVisibility(false);

if (aspf) {

aspf.setVisibility(false);

}

if (map.getLevel() > 4) {

document.getElementById("active").style.visibility = "visible";

} else {

document.getElementById("active").style.visibility = "hidden";

}

function doIdentify(evt) {

if ((dijit.byId("val2").checked && map.getLevel() > 4) || dijit.byId("val3").checked) {

identifyParams.geometry = evt.mapPoint;

identifyParams.mapExtent = map.extent;

identifyTask.execute(identifyParams, function(idResults) {

addToMap(idResults, evt);

});

}

function addToMap(idResults, evt) {

var idResult;

for (var i = 0, il = idResults.length; i < il; i++) {

idResult = idResults.feature;

}

if (dijit.byId("val2").checked) {

window.open("http://localhost/ST30_EDF_PDF/FB" + idResult.attributes.HUC_12 + ".pdf");

}

if (dijit.byId("val3").checked) {

if (map.getLevel() > 5) {

aspf = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost/server30/rest/services/acpf/MapServer", {

visible : true

});

} else {

aspf = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost/server30/rest/services/acpf/MapServer", {

visible : false

});

}

map.addLayer(aspf);

legend.layerInfos.splice(1, 0, {

layer : aspf,

title : " ",

autoToggle : false

});

legend.refresh();

}

dojo.addOnLoad(init);

});

</script>

</head>

<div id="mainWindow" dojotype="dijit.layout.BorderContainer" design="headline"

gutters="false" style="width:100%; height:100%;">

ACPF Land-Use Viewer

</div>

<input dojoType="dijit.form.RadioButton" id="val1" name="group1"

checked="checked" value="nav" type="radio" />

<label for="val1"> Navigate </label>

<input dojotype="dijit.form.RadioButton" id="val2" name="group1"

value="pdf" type="radio" />

<input dojotype="dijit.form.RadioButton" id="val3" name="group1"

value="add" type="radio" />

<label for="val3"> Populate </label>

<label id="active" style=" color:Red; font-size:large; visibility:hidden;">PDFs Active</label>

<label >To use this map:

<br /> - Use your mouse to Pan and Zoom

<br /> - Zooming in will activate the PDF downloads, "PDFs Active" note will appear.

<br /> - Select the PDF button to enable to PDF downloads

<br /> - Click on a watershed to obtain the PDF

<br /> - Select the Populate button to enable detailed information

<br /> - Click on a watershed to bring up extra information </label>

</div> </div> </div> </div>

</div> </div>

</body>

</html>

JohnGrayson

1) What is the Spatial Reference of the Map?

2) What is the Spatial Reference of the first layer added to the Map?

RobertScheitlin__GISP

Josh,

This seems pretty strange... Can you share your code?

JoshObrecht

I put in an alert to call the spatial reference of the layer. It tells me 4326.

RobertScheitlin__GISP

Josh,

How exactly do you know that it gets changed to 4326?

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