Latest Contributions by JimmyDobbins

Hello, I am working on a network routing model that will let users find the safest and quickest routes. I have a general question...how do you "maximize" impedance values? For example, I have length, travel time and population fields that I would definitely want to minimize. Most of my impedances/attributes work this way. But let's say you want to find the route with the most police stations along it (for safety purposes, not so you would maximize your chances of getting a ticket!). How do you do this in Network Analyst? I don't see anything in the help on this. Thanks in advance for your help! ... View more

Hello, I am following this example to display a legend with checkboxes to show/hide the layers. When I load the page, the layer icons are visible, but the layer titles do not show up. Note that I am working with featurelayers and not arcgisdynamicservicelayers like in the example. I am attaching my map.js file. Please let me know if you see anything or have any guidance to get the titles to show up. Thanks in advance, I appreciate the help! dojo.require("dijit.dijit"); dojo.require("dijit.layout.BorderContainer"); dojo.require("dijit.layout.ContentPane"); dojo.require("dijit.layout.AccordionContainer"); dojo.require("esri.map"); dojo.require("esri.dijit.OverviewMap"); dojo.require("esri.dijit.Scalebar"); dojo.require("esri.dijit.BasemapGallery"); dojo.require("esri.layers.FeatureLayer"); dojo.require("esri.dijit.InfoWindow"); dojo.require("esri.dijit.Legend"); dojo.require("esri.arcgis.utils"); dojo.require("dijit.form.CheckBox"); var map; var legendLayers = []; function init() {     //calculate the extent for the initial zoom     var initExtent = new esri.geometry.Extent({"xmin":-15375461.113615725,"ymin":2593049.7475456917,"xmax":-6066042.564710014,"ymax":6413678.169350926,"spatialReference":{"wkid":102100}});     //code to create the map and add a basemap     map = new esri.Map("mapDiv", {         extent: initExtent     }     );     var basemapURL = "http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer";     var basemap = new esri.layers.ArcGISTiledMapServiceLayer(basemapURL);     map.addLayer(basemap);   //resize the infowindow //map.infoWindow.resize(150,300); //infotemplate code creation here var pportContent = "<table><tr><td><b>Port Code:</b></td><td style='text-align:right'>${PORTNUM}</td></tr></table>";     // the code below can be included to pass a parameter to a web service, asp.net page, etc.     // + "<a href='http://www.vanderbilt.edu/vector&portcode=${PORT}'>Click here to view historical data</a>"; var schedKContent = "<table><tr><td><b>Port Code:</b></td><td style='text-align:right'>${SCHEDK}</td></tr>"                  + "<tr><td><b>Country Name:</b></td><td style='text-align:right'>${CTRYNAME}</td></tr></table>";     //infotemplates for principal and schedule K ports var infotemplatePports = new esri.InfoTemplate("${PORTNAME}",pportContent); var schedKtemplatePorts = new esri.InfoTemplate("${FPRTNAME}",schedKContent);     dojo.connect(map, 'onLoad', function (map) {         var scalebar = new esri.dijit.Scalebar({             map: map         });         //add the overview map         overviewMapDijit = new esri.dijit.OverviewMap({             map: map         }, dojo.byId('overviewMapDiv'));         overviewMapDijit.startup();         createBasemapGallery();     });     var princPortLayer = new esri.layers.FeatureLayer("http://transp40.vuse.vanderbilt.edu/arcgis/rest/services/westhemgis/westhem/MapServer/3", {      outFields: ["PORTNAME","PORTNUM"],      infoTemplate: infotemplatePports     });     legendLayers.push({ layer: princPortLayer, title: 'U.S. Ports' });        var schedKPortLayer = new esri.layers.FeatureLayer("http://transp40.vuse.vanderbilt.edu/arcgis/rest/services/westhemgis/westhem/MapServer/2", {      outFields: ["SCHEDK","FPRTNAME","CTRYNAME"],      infoTemplate: schedKtemplatePorts      });     legendLayers.push({layer:schedKPortLayer, title:'Foreign Ports'});     map.addLayers([princPortLayer, schedKPortLayer]);     dojo.connect(map,'onLayersAddResult',function(results){         var legend = new esri.dijit.Legend({             map: map,             layerInfos: legendLayers.title         }, "legendDiv");         legend.startup();           //add check boxes         dojo.forEach(legendLayers,function(layer){                  var layerName = layer.title;          var checkBox = new dijit.form.CheckBox({             name: "checkBox" + layer.layer.id,             value: layer.layer.id,             checked: layer.layer.visible,             onChange: function(evt) {               var clayer = map.getLayer(this.value);               clayer.setVisibility(!clayer.visible);               this.checked = clayer.visible;             }           });           //add the check box and label to the toc           dojo.place(checkBox.domNode,dojo.byId("toggle"),"after");           var checkLabel = dojo.create('label',{'for':checkBox.name, innerHTML:layerName},checkBox.domNode,"after");            dojo.place("<br />",checkLabel,"after");         });         });             dojo.connect(map, 'onLoad', function(theMap) {           //resize the map when the browser resizes           dojo.connect(dijit.byId('map'), 'resize', map,map.resize);         });       }         dojo.addOnLoad(init);   function createBasemapGallery() {     //add the basemap gallery to display maps from ArcGIS.com including bing maps     var basemapGallery = new esri.dijit.BasemapGallery({         showArcGISBasemaps: true,         map: map     }, "basemapGalleryDiv");     basemapGallery.startup();     dojo.connect(basemapGallery, "onError", function (msg) { console.log(msg) }); }; ... 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