JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.

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3
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1answer
4k views

How do I set the fillcolor of polygons in Leaflet.js dynamically?

I'm using the interactive chloropath example for leaflet.js I figured out how to make each of my polygons add a running tally of values to the bottom of the page after each polygon is clicked. Upon ...
0
votes
1answer
136 views

esri map popup problem [closed]

My map works fine. Popup works fine. For some reason, the bottom of the popup window has some layout issues. I have all the resources included. script: dojo.require("esri.map"); ...
1
vote
4answers
3k views

How to create working Hyperlinks in OnDemandGrid Cells

I'm creating a simple ArcGIS application that shows a table of data from a feature layer, one of which is a URL string. I'd like to make that string be a clickable hyperlink. Is this possible and if ...
3
votes
0answers
625 views

Leaflet Event Craziness: jQuery click events don't propagate to L.DomEvents

I noticed that calling .click() on jQuery selected DOM elements in Leaflet ( such as anchor icons ) will not do anything -- the click event isn't propagated to the events created with L.DomEvents. For ...
1
vote
1answer
343 views

Joining table data to features in QGIS?

I am trying to make a map using QGIS but I cannot join table data to features in QGIS. In ArcGIS for Desktop you just open the folder and then join the tabular table with the spatial data table. ...
2
votes
3answers
2k views

Simple javascript viewer for ArcGIS Server data

I would like a simple javascript viewer which will allow end users to do the following in their browser: Add layers from arcgis server by clicking an "add data" button See attributes with an info ...
1
vote
1answer
2k views

Export KML from points plotted in javascript Google Maps API?

I want to export a KML file from points plotted in Javascript using the Google Maps API. Is there a way to do this? The user logs in and checks Google Maps, then plot points on the map and finally ...
1
vote
1answer
778 views

Openlayers Vector Layers eventListeners: how to specify different data without defining multiple layers

I have a map. It has two origins, and two destinations. The code for one origin is here: vectors_origin = new OpenLayers.Layer.Vector("Origin", { eventListeners:{ ...
6
votes
1answer
2k views

Using Tilestache and Leaflet To Display Rasters In Native Projection

I have a collection of old Idaho state highway maps in GeoTiff format. The projection that these maps have been georeferenced in is a transverse mercator projection, called IDTM83 (Idaho Transverse ...
3
votes
1answer
8k views

Go to the URL when clicked on Leaflet marker

I want to implement marker click event so when user click on marker it goes to url. Url is written inside an array (a[3]). However, this is my code which doesn't work, it always goes to the link of ...
3
votes
2answers
2k views

json to shapefile in javascript

I know, there are some libraries to convert .shp to .json even with javascript, but haven't found a way to convert .json back into .shp that could be implemented in web enviroment. Do you know or ...
5
votes
5answers
5k views

How to get a Leaflet app with a big GeoJSON file to work on mobile devices?

I have a leaflet app which displays a GeoJSON file as a layer. It works fine in the web browser. On the mobile browser it starts up, but quits after panning around on the map. I think the reason for ...
1
vote
1answer
266 views

Openlayers: Making the map move with moving vector layer (airplane) on map

So currently I have a map that has some plane data. There is a setInterval function that updates the plane data every 5 seconds, making the plane move from point to point. That is working well. ...
2
votes
1answer
1k views

How to flash a graphic in JSAPI using AMD

With the code below I was hoping to flash the selected polyline, however no success. function flashResults(featureSet) { alert("flash"); //remove all graphics on the maps graphics layer ...
2
votes
2answers
7k views

How to project pixel coordinates in leaflet?

I am trying to create a map based on an image which is 16384x16384 px, but I would also like to add markers at specific locations using pixel coordinates of this given image. I created a tile layer, ...
2
votes
0answers
714 views

How to get Google Street View panoramas on the same street as the requested address?

The Google Maps API geocodes an address to a point. I can use that point to find the nearest panorama (street view) image. I can then determine the heading based on the two points and show the ...
5
votes
5answers
6k views

What web mapping libraries are suitable for indoor maps?

I am looking for a custom mapping library but not to display an actual geographical area but to display a custom floor-plan. I have been looking for a while but most of the solutions that I found are ...
0
votes
2answers
1k views

Moving ArcGIS JSAPI Basemap Gallery Widget down 10px when opened

How can I move the Basemap gallery 10px down from its original position when it's opened. The basemap gallery sample, I am referring can be found here: ...
1
vote
1answer
410 views

Using ECQL filter on user form using GeoServer and OpenLayers

I know this is more of a JS question (skills of which I am inadequately inept) but it is using OpenLayers and GeoServer. I am trying to apply a filter with a user form on a Layer, but am not sure ...
1
vote
0answers
955 views

How should I make use of railway routes from Google Maps API?

I have a specific requirement wherein I have to display or highlight only railway stations in the map rather than the whole map. How can this be achieved? This is the code I tried: <html> ...
2
votes
1answer
3k views

Help with getting the coordinates of a point updated using ESRI JS API Editor

I've been working with ESRI's javascript API for about a week and finding that somethings click while other things are still a mystery to me. I've already created a simple web map that loads an ...
2
votes
1answer
4k views

OpenLayers is not defined while accessing over the html and js

The above is my working directory, all html files are under WebContent folder and the problem is that when all the code is written in a single html file working fine. If I split the OpenLayers code ...
4
votes
2answers
580 views

Adding control to wfs layer disable panning and zooming on double click

I can zoom and pan wfs layer when I don't have added control but I can't pan the map or zoom the layer with double click when I add a control to map: code for control is : var select = new ...
0
votes
0answers
500 views

OpenLayers LineString: Not displaying the line (array of points)

I'm perplexed as to why tail_path is not drawing the line (can't see anything on the map) but the alert seems to be returning the correct data. var path_travelled = new Array(); var path = ...
0
votes
1answer
152 views

How to get bbox from geolocate?

I am using geolocate to zoom to the users location. Afterwards I am trying to get the bbox of that area. However the geolocate function is for some reason always executed last, so I don't get any ...
8
votes
1answer
9k views

problem adding pop-up to GeoJSON layer in Leaflet

I'm new to working with the Leaflet API and am running into trouble with creating popups for a GeoJSON layer. I've looked at the following post as a reference and am still having difficulty: binding ...
2
votes
1answer
478 views

Print FeatureLayer labels in Esri JavaScript API 3.5 and earlier

I have a need to implement labels on features in a FeatureLayer in version 3.5 if Esri's Javascript API. The labels are from a field returned by a REST feature service. I can't move to 3.7 for various ...
4
votes
1answer
344 views

Why should I use the AMD style deceleration in ArcGIS JS API?

It seems to me like this: var point; require(['esri/geometry/Point'], function(Point) { point = new Point(); } does the same thing as: var point = new esri.geometry.Point(); Is there any ...
3
votes
1answer
248 views

Use a Tiledmap service as basemap instead of an Arcgis.com map in AMD style coding

How will I define a arcgisTiled map service as the base map (instead of “topo”) as against using arcgis.com map services while defining a new map in AMD style? map = new Map("map", { ...
1
vote
0answers
51 views

Using AttributeInspector to Create New Record

This is a follow up question to another questions I posted earlier: Adding Record to Related Table using JavaScript API Without repeating too much information from that previous question, I was able ...
6
votes
2answers
2k views

How can I zoomToExtent and then zoom out?

I use openlayers 2.12 I use HTML5's geolocation API to get the coords and then I insert them in a layer as feature (point). After that, I zoom in , since the layer has no other feature. ...
1
vote
1answer
30 views

Link two Google Earth frames to mirror each other

I have a webpage with two Google Earth Frames side by side. Is there a way to link the two together so when I zoom or pan in one frame, it is mirrored in the other? Thanks.
3
votes
1answer
666 views

ArcGIS JS API - Can't draw results of Query Task

I have an ArcGIS JavaScript map that I'm trying to use with a Query Task. The query runs fine on the server side and the proper geometry is returned. Then, I draw the feature as follows: var features ...
1
vote
0answers
93 views

How can i add to DB new created Polygon?

i'm new to LeafLet and i'm trying to understand power of LeafLet for mapping.. Question is simple, let's say i've created a new object(e.g. polygon) map.on('draw:created', function (e) { ...
2
votes
1answer
501 views

Adding Record to Related Table using JavaScript API

I looked and didn't find this question so hopefully it isn't a repeat. I am new to the JavaScript API and just started creating a web application where the user will enter maintenance records for a ...
2
votes
1answer
966 views

Custom ArcGIS GraphicsLayer (JavaScript)

I am working on an application that will retrieve data from various sources and construct ESRI GraphicsLayer objects from the data and display it on a map. I have created custom FeatureLayers before ...
3
votes
1answer
4k views

How to Use Custom Basemaps with BasemapToggle widget?

I'm trying to upgrade my app from version 3.3 to version 3.7 of the JavaScript API and am switching out the basemap gallery for the new BasemapToggle widget. I have two custom basemaps that I want to ...
2
votes
1answer
2k views

Visibility On-Off of Label Layer in arcgis javascript 3.7

I am using ArcGIS JavaScript 3.7 API's and i am using agsjs.dijit.TOC control and it is working fine but when i added Label Layer in my map that time Label layer is coming fine but TOC is not working ...
2
votes
1answer
658 views

How customize GeoRSS icon in ArcGis JS API?

I have this little piece of script to customize the icon of some GeoRSS points, but I have no display and no error in the console. var map; require(["esri/map", ...
2
votes
2answers
4k views

Looking for an API that will autocomplete adresses, and split them up into parts

I'm kinda new to the whole GIS thing, and found that is necessary for onw of my web apps. It's come to my attention that some people don't know what a proper physical address looks like, and so I'd ...
0
votes
1answer
79 views

Global timer java script in KML

i have a timer script which shows the time of system in Description tag <script type='text/javascript'> setInterval('tick()',50); //tick is a plugin and 50 is in ms delay time function ...
1
vote
1answer
3k views

Leaflet Heatmap Dynamic data layer

I am trying to add heatmap layer to my map. I have tried the following plugin: http://www.patrick-wied.at/static/heatmapjs/example-heatmap-leaflet.html From this plugin the data came from ...
1
vote
1answer
132 views

How do I get ArcGIS tiles to display a single layer when multiple layers are available?

I am using Bing Maps v7 to display layers from an ArcGIS server. The server displays multiple layers as one, but I would like to only display a single layer. Suppose a map service has the layers: ...
5
votes
3answers
1k views

ArcGIS Javascript API with Windows Authentication

I am using the ArcGIS Javascript API to consume a feature layer on an ArcGIS Server secured with Windows Authentication. I want to satisfy the authentication programmatically so the web user isn't ...
2
votes
1answer
4k views

How to add a WMS layer on Cesium Globe?

I downloaded Cesium Java Script library for creating 3D Globes from "http://cesium.agi.com/". Also I found that, they are using Bing satellite map as default. But I need to display layer from My ...
3
votes
3answers
801 views

ESRI JS API - Getting a Screenshot with pure Javascript

I have a requirement to be able to produce a pdf of the application's map (Esri JS API 3.7). The map will contain ArcGISDynamicMapServiceLayers, user drawn graphics including text symbols, and ...
1
vote
0answers
166 views

How to dynamically disperse point labels in ArcMap, using image files and leader lines?

My GIS group needs to find, or somehow develop, a labeling tool for points in ArcMap. Ideally, it would work like this: Each point would be labeled using an image file (jpg or png) so that a ...
2
votes
1answer
2k views

How to create 3D web application using Open Source GIS software?

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. How can we create GIS based 3d application like below attachment using opensource softwares ...
1
vote
1answer
1k views

Show previously loaded tiles while loading (zoom in or zoom out) map

How to remove the white tile part(map loading area). While zoom in and zoom out, the white tile part is appearing on the map(map loading area). How can we fill that area with the history image? Is ...
2
votes
1answer
1k views

While developing stage, Is Proxy.cgi required to get Openlayers WMSGetFeatureInfo?

I have published the data in Geoserver (Tomcat and OS Ubuntu) and I am developing a map application in my local machine (OS windows xp) using asp.net. In my application, I can get WMS feature ...