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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2
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 ...
1
vote
1answer
169 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 ...
0
votes
1answer
314 views

How to read/write a/from a file in javascript with prototype.js/jQuery.twFile support OR anyotherway

I want to write my data into a file from OpenLayers, I have gone through Prototype.js and jQuery.twFile.js or anyother way to write into a file.
4
votes
2answers
2k 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 ...
7
votes
2answers
8k 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 ...
2
votes
0answers
65 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 }, ...
0
votes
1answer
5k views

Google Map - display specific markers popup using a list of markers

I have the following code: <script type="text/javascript"> window.onload = function() { // Creating a new map var map = new google.maps.Map(document.getElementById("map"), { ...
0
votes
1answer
416 views

Openlayers loop through json array and output result with as javascript

Connection.php file which stored database connection code with json: <?php $username = "root"; $password = ""; $database = "roadmap"; $url = "localhost"; $con = mysql_connect($url, $username , ...
6
votes
4answers
5k 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 ...
0
votes
1answer
238 views

drawing graphic layer on client side with arcgis

hello I'm usign ArcGIS JS api v. 2.8 and.. I've got some problems with drawing graphics point on client side. The problem is, when I draw points by first time by JS api everything is OK. But when ...
1
vote
1answer
391 views

load map parameters after opening new window

I am trying to open a new window from an existing window, which will contain a map with an extent derived from the original window. In other words, the user will zoom to an area in the original ...
1
vote
0answers
275 views

What are some really cool web/mobile GIS UI examples? [closed]

I need some ideas on eye candy for our product. We have to display maps with lots of data on accessible through the web. Most sites I have seen have a Google, or OSM map with markers and layers ...
2
votes
1answer
697 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 ...
3
votes
1answer
2k 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 ...
3
votes
1answer
2k 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 ...
7
votes
1answer
748 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 ...
3
votes
1answer
778 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 ...
1
vote
2answers
4k 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 ...
5
votes
2answers
2k 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 ...
4
votes
1answer
621 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 ...
6
votes
1answer
5k 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 ...
4
votes
2answers
600 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 ...
5
votes
4answers
10k views

Convert latitude and longitude into northings and eastings

Hi 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 Eastings, Northings for the postcode is:- 389490 283880 ...