A free and open source JavaScript library that is used by Web developers to navigate HTML documents, handle events, perform animations and add Ajax interactions to Web pages.

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12
votes
2answers
21k views

Adding/Removing Leaflet GeoJSON layers

I'm trying to show different GeoJSON layers at different zoom layers using the Leaflet API. I can load and display all three layers at once (though I don't actually want them all to show at once). I ...
8
votes
2answers
5k views

Parsing a GeoJSON file with jQuery

I'm trying to iterate through a GeoJSON file (below) and eventually populate an array with a few attributes within "properties". I keep coming up short working through various examples I can find. Do ...
8
votes
1answer
7k views

How to convert a String to OpenLayers.Geometry.Polygon using javascript?

First let me say that I'm using Javascript, jQuery, Java, GeoServer, OpenLayers and PostGIS. Using java class ResultSet I return this String: POLYGON((516000 2135000,515039.264020162 ...
7
votes
4answers
10k views

How to get JSON from Geoserver using AJAX request

I am building a web mapping application using Leaflet and a sort of customized WFS-T API to place and retrieve features from PostGIS. I have the script for putting features in PostGIS tables down ...
7
votes
1answer
1k views

Geoserver GET request to the REST API without authentication

I am using Geoserver to serve a number of WMS layers. I am using jQuery's $.getJson('/geoserver/rest//featuretype.json') to programmatically populate a table with the available layers and their ...
6
votes
4answers
17k views

Converting latitude and longitude into northing and easting?

I have the following UK postcode dy8 3xt and know that the latitude and longitude is:- 54.452772 -2.156082 I also know that the Easting, Northing for the postcode is:- 389490 283880 However ...
6
votes
2answers
3k views

Using the jQuery UI Slider to control layer opacity in OpenLayers

Added some bounty so more people take a look at my question. Thank you. I have been trying to utilize the jQuery UI Slider to control layer opacity in OpenLayers but I have an issue when trying ...
5
votes
2answers
518 views

ArcGIS Javascript API on Wordpress 4.1

SOLUTION: For everyone interested: turned out the solution was moving all files that use DoJo beneath the jQuery UI files, so that jQuery UI is fully loaded before any DoJo stuff loads. Moved them all ...
4
votes
3answers
470 views

Make InfoTemplate moveable but still highlight attributes

I’m using the esri/InfoTemplate in the Javascript API to identify features. However, it gets anchored to the mouse click and cannot be moved around. Based on this answer I used dojo/dnd/Moveable to ...
4
votes
2answers
3k views

Click link inside Leaflet Popup and do javascript

I have a leaflet map up and running. It overlays a series of polygons (via GeoJSON) on the map and attaches popups to each polygon. Each of the popups display information about that polygon. I'd ...
4
votes
1answer
691 views

Can JQuery Mobile UI provide a user-created attribute table for a user-created point feature?

I'm looking into using the JQuery Mobile UI, and I would like the user of the app to be able to create their own point on the map and add a few short attributes. Any idea if this is possible? Thanks ...
4
votes
2answers
836 views

Populating D3 Graph with Cartodb

I have been looking at D3 and following along with their basic tutorials. In the documentation you can use json files to create graphs, however I am confused on how to make the connection from my ...
4
votes
1answer
2k views

Texture overlay in d3 map

D3 map can be drawn and colored as shown in this example : http://techslides.com/demos/d3/d3-world-map-zoom-points.html. I need to overlay a texture or image within the boundary of a given country. Is ...
4
votes
2answers
874 views

Is there an existing way to do linear referencing in ArcGIS JavaScript API 2.1?

First of all, let me specify that this is for the JavaScript API 2.1 or later only, not ADF/Google/Virtual Earth/Silverlight/Flex or any of the other extensions. We've been creating geometry from a ...
4
votes
1answer
662 views

How to highlight feature clicked as row in table using OpenLayers+jquery?

I am a Masters student from Sweden. I am doing my Masters thesis on Internet mapping. In my project I am trying to display research data from my department on Google maps. I am using OpenLayers java ...
3
votes
1answer
459 views

Can't get simple map to show up on my test site using CartoDB

So I'm trying to get a simple test-site setup but it's not working. Whenever I load the site I can very quickly see the controls flash on the screen then go away. The when not doing local testing, ...
3
votes
2answers
4k views

Make sidebar div active on Marker click (and vice versa)?

What's the best way to change an element to active when you click on a marker. For example, when you click on a marker on a Leaflet map, how to make it so the sidebar element that's related to it ...
3
votes
1answer
1k views

OpenLayers jQueryUI Draggable

I am using open layers to render a wms inside of a div tag. This is right out of the openlayers documentation. My WMS layer is rendering well. <div id="map"></div> Using the jquery UI ...
3
votes
1answer
936 views

ArcGIS JS API: Zooming with mouse wheel/double-click forces pan

I have a map that I'm initializing off-screen and sliding in using jQuery. For some reason zooming in with the scroll wheel or by double-clicking causes the map to simultaneously pan down (or pan up ...
3
votes
1answer
2k views

OpenLayers + GEOExt + extjs. VS OpenLayers+jquery

Could some one maybe tell me if there are any real benefits of using OpenLayers + GEOExt + extjs. as oppose to using only OpenLayers and maybe jquery for client side webgis apps? Edit: thanks for ...
3
votes
1answer
3k views

How to curve lines between points on a map?

I'm trying to curve the lines between points on a RaphaelJS map like Tata Communications - but how did they do it? What sort of mathematics lie behind these curves - unless ofcourse they're all ...
3
votes
0answers
184 views

GeoJSON not showing in leaflet map?

I'm trying to load a geojson file in to my leaflet map and can't see what's going wrong. From looking at other questions i've used Jquery Ajax to call the geojson. The geojson is in the same directory ...
3
votes
2answers
3k views

Google Maps need to click twice to get marker click event to trigger

I have a google map that I am populating with real estate listings from a database. I have set it up to refresh the listings when the map is panned or zoomed. I am using the dragend & ...
2
votes
2answers
283 views

Having trouble with the getFeaturesAtCoordinat() method in OpenLayer

Why reason when I do click in a polygon, It works and not in a point? I have the following jQuery Code: var despachosFeatures = despachosWFS.getFeaturesAtCoordinate(evt.coordinate); var ...
2
votes
1answer
563 views

Can arcserver be used to populate jquery autocomplete?

I would like to set up autocomplete on a text box using jquery autocomplete with data from an arcserver service. I'm wondering if this is possible and if so how i would implement it. I'm using the ...
2
votes
1answer
39 views

How can I load GeoJSON from URL to leaflet? [closed]

I want to use leaflet's L.GeoJSON to load the GeoJSON from my URL. I have tested to use leaflet-ajax plugin and it worked. The codes as follow: <link rel="stylesheet" ...
2
votes
1answer
1k views

Hide/Show route layer in Leaflet when click on button (Easy Button plugin)

I have a Leaflet map with button (Easy Button plugin https://github.com/CliffCloud/Leaflet.EasyButton). When click on button on map added route layer (plugin ...
2
votes
1answer
2k views

Leaflet - how do you get individual markers from a featurelayer?

In Leaflet, if I have a feature layer filled with markers, how do I get these markers back from the layer? I want to apply different popups to each individual marker, instead of the entire set. I ...
2
votes
1answer
1k views

How to make OpenLayers.Popup draggable?

I've used jquery-ui draggable option as following but the moving popup can not be ended once dragging has started. Is there any another method to make OpenLayers.Popup draggable? popup = new ...
2
votes
1answer
183 views

Detecting onClick event for clicking Printout button of ArcGIS API for JavaScript?

I am wondering if there is a way to detect when a user clicks the "Printout" link after using the print task in ArcGIS Javascript 3.14. I have set up many custom options in my mapping application ...
2
votes
1answer
526 views

Display problem while using openlayers with jquery

I want to use jquery with openlayers for rich interface. I have used layout-master for simple layout. But the problem is, when I add simple map using openlayers 'map' will not display at the center.! ...
2
votes
1answer
404 views

Can individual feature properties be retrieved from the CartoDB.js API?

I'm building an application that uses CartoDB to show users how a proposed redistricting plan would affect them. The user enters an address and that fires a ST_Intersects query to CartoDB, the result ...
2
votes
1answer
3k views

How to find direction points using Google Maps API 3?

I am drawing a route in Google Maps. I have passed the start point, way points and end points. My route is drawing correctly. I am using Google Maps API 3. request = { origin: originAddress, ...
2
votes
1answer
861 views

call child div function from parent (not using window.opener)

This is a a Javascript/JQuery question that is directly related to the ArcGIS Javascript API... I have a map div created using a 'data' tag in HTML, which becomes visible on a button click. (I'll ...
2
votes
1answer
250 views

passing geocode results object to another file

I'm using a geocoding plugin (Leafet.GeoSearch) on a map and I'd like the results, being the LatLng point coordinates, etc available as a parameter for GeoServer cql filtered calls. It doesn't seem ...
2
votes
1answer
20 views
2
votes
0answers
98 views

Populate list from arcgis server service in JQUERY javascript aplication instead of DOJO?

I would like to populate a list on a select combobox using jquery with data from an arcserver service.I'm wondering if this is possible and if so how i would implement it. I'm using the esri ...
2
votes
1answer
825 views

How to animate Markercluster Icons

I am using Jquery Google Map V3 with markerclusterplus. I want to animate a cluster icon when hover the icon. My Clusterhover event code is, var mc = new MarkerClusterer(map, markersarray,mcOptions); ...
2
votes
0answers
94 views

unselect all Features with jquery dialog close button openlayers 2.13

how can one unselect all Features with jquery dialog close button function in openlayers 2.13? View Entire Project Here (some buildings are not yet clickable) incorrect code: ...
2
votes
1answer
435 views

How to append result to Geocoder text box using ArcGIS JavaScript API?

I want to append result of a custom search in a Geocoder text box in ArcGIS JavaScript API by overriding the default result. I have written the below code for this, but I am not getting a ...
2
votes
0answers
274 views

Leaflet Drag and drop to change existing markers

I'm working on a project where the user should be able to drag an image to a pre-existing marker and have the marker update color if the value of the marker (a value w/in the geojson) and image (a ...
2
votes
1answer
22k views

Uncaught SyntaxError: Unexpected token : when using ajax

I try to call json data from geoserver, but when i try to run it in chrome, it return this following error "Uncaught SyntaxError: Unexpected token :" This is my code, function ...
2
votes
0answers
773 views

Looking for ArcGIS API for javascript and Jquery samples

I'm new in ArcGIS javascript API .I found tons of samples of ArcGIS javascript API and DOJO . it was very interesting for me but i know Jquery and i'd like to use Jquery to develop webgis.Is there ...
2
votes
0answers
231 views

Show geoJSON properties in jQuery Mobile Panel

First off I'm a novice at JS so please bear with me if this is a simple task to complete. I'm currently using the stock LeafletJS popup bubble to display the properties from my geoJSON. However, I ...
2
votes
0answers
68 views

Features disapearing

When I add a polygon feature it shows on the map. When I add another one the first one disappears. The code for adding is below: $.postJSON('@Url.Action("GetLayers")', { "planId": planId }, ...
1
vote
2answers
1k views

Using OpenLayers 3 spyglass?

I would like to use OpenLayers 3 spyglass example inside my project. The problem is when I want to use selection for layer, which will be inside spyglass circle. I can't get it working, I don't know ...
1
vote
1answer
246 views

How to animate .olControlLayerSwitcher with Jquery?

Not know much about css but some how got strucked in setting css property. I am using Openlayers .olControlLayerSwitcher class. Here without using !important keyword, LayerSwitcher will not get move. ...
1
vote
2answers
5k views

SelectFeature not working in OpenLayers

I'm still sort of new to openlayers, but I've been able to set up a map which reads in a KML, loops through the different regions contained therein, and draws those polygons on a vector layer overtop ...
1
vote
1answer
39 views

Leaflet : load & remove layer at specified interval time

I want to load and remove a layer in a specified interval of time. I make it blink with a random color function associate to my layer style. I can load this layer multiple times, unload it in a ...
1
vote
2answers
529 views

Esri GIS Bookmark but with out a dijit

I need to create a "Bookmark" like drop down on my site. Inspiration comes from samples:1) http://developers.arcgis.com/javascript/samples/widget_bookmarks_dropdownbutton/ and 2) ...