Questions tagged [ajax]

An acronym for asynchronous JavaScript and XML)[1] is a group of interrelated web development techniques used on the client-side to create asynchronous web applications.

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379 views

OpenLayers3, WFS ajax request doesn't work

I'm creating a geoportal, which works only on my localhost. I have a problem with adding to my ol.map a vector layer from Geoserver using WFS. I'm using Geoserver v2.7, OL v3.15.1 and jQuery v2.2.4. I ...
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574 views

500 Internal Server Error:System.InvalidOperationException: Missing parameter: settlementlocationcode

Here I'm trying to bind the data from database to table for selected features within the user entered buffer distance. This is working for simple query, but it doesn't work for query using PostGIS ...
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296 views

Error: parseResponse was not called [closed]

I have a an OL3 / geoserver application. Some of my WMS layers have cql_filter. I get the error in the title when trying to select features by doing request=GetFeature. What I have to do is issue ...
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207 views

Ajax parameters to arcGIS's find Address

I write a ajax to consume the arcGIS services to return json results, I have tried so many way for the findAddress function parameter, non seems work, plese help. Below is my code: function ...
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602 views

How to replace accented characters in the CQL filter, using GeoServer?

I have GIS API based on OpenLayers and GeoServer. I want to perform an Ajax request in order to get all the features that have a given keyword. For example, I could use the CQL filter: name LIKE '%...
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153 views

Leaflet inbuild AJAX methods for WMTS getCapabilities request

I was wondering whether the Leaflet library has inbuilt methods to make AJAX requests. My goal is to create a plugin that makes an XMLHttpRequest request to a specified WMTS resource and parse the XML ...
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304 views

Openlayers 3, jquery Ajax initialising in Jquery.success()

I have this nice fiddle: http://jsfiddle.net/mindsupport/cujfjby4/14/ Openlayers 3 map initialized in ajax request and all data (points, line etc.) attached in jquery success() method, but map doesn'...
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1answer
20k views

Waiting on AJAX result in main JS function

So .... my main init()Javascript function has these 3 lines: sarea = GetArea(Uname,UIDfield,Table, document.getElementById("Source").value); darea = GetArea(Uname,UIDfield,Table, document....
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814 views

Geoserver GetCapabilities and CORS [duplicate]

Using WMS I do a GetCapabilities request on a GeoServer instance. This works in FireFox, but not in Chrome, Safari, and Internet Explorer. The point is that in the web.xml from the server I did add: ...
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1answer
1k views

Updating leaflet L.imageOverlay using jquery serialize without page refresh?

I am developing an application that fetches and displays raster/image maps (png, tif), into a leaflet map. However, I didn't like the page and the map refresh upon form submission. In addition, I ...
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253 views

Calling service web from ComboBox using JavaScript? [closed]

I want to call a web service and use it in combox for search. Here is the function that i used to call my service web: var xmlhttp = new XMLHttpRequest(); var url = "http://176.31.230.211/mtmap/...
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1answer
97 views

I am using an example fracnsites to make a similar map but I don't under stand the ajax code?

I am using an example fracnsites to make a similar map but I don't under stand the ajax code? The example has js code: var map, fields = ["gid", "createdby", "featname", "feattype", "status", "acres"...
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1answer
1k views

Openlayers ajax loading works on FF but doesn't work on Chrome. Any idea why?

I'm using this ajax loading panel http://thisiscontext.com/tools/jQuery-showLoading And I have the following code : jQuery('#map').showLoading(); var request = OpenLayers.Request.POST({ url:...
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2answers
29 views

Leaflet Feature bindpopup does not display (OnEachFeature)

I am attempting to have a click event popup with some data pulled from Wikipedia and displayed on my Leaflet map for each point that displays GeoJSON data. My data is displayed on map as you can see ...
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1answer
65 views

Searches by area names in OpenLayers with request of AJAX in the PostGIS database

We built a GeoJSON: {"type":"FeatureCollection","features":[{"type":"Feature","id":0,"geometry":{"type":"Polygon","coordinates":[[[669023.843,415221.025],[669031.588,415222.415],[669059.365,415154....
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1answer
2k views

Leaflet create marker from ajax call data

Get all the basic works with Leaflet and want to add markers using ajax call $("button").click(function(){ $.get("GetLocationsServlet", function(data){ markers = data.split(";"); ...
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1answer
2k views

Request JSONP from Geoserver using AJAX request in Openlayers 3

I am creating a web application using OpenLayers 3 and I am looking to import my vector layers into this. I currently have my data in Geoserver and I am trying to use the following code, but when I ...
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1answer
177 views

Showing GeoJSON result on Google Maps [closed]

I have some points result query in MySQL database which is GeoJSON and I want to show these points on a Google map. I need to get this result with AJAX and deliver them to Google Maps. Can anybody ...
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1answer
3k views

L.geoJson() - Error: Bounds are not valid

I am iterating through an array of zipcodes and passing each to Mapbox Geocoding API. With every iteration, on success, I pass to L.geojson(). After the last iteration I call map.fitBounds(jsonLayer)....
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1answer
620 views

Ajax file url inside flask app

My ajax request for a geojson works fine as a static web app $.getJSON("myfile.geojson", function (data) { theaters.addData(data); map.addLayer(theaterLayer); }); I am trying to wrap the ...
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2answers
401 views

How to use Twitter Typeahead with GeoServer WFS?

I'm trying to configure the Twitter Typeahead library to work with a GeoServer WFS layer, so I can create an auto-complete feature search function. Typeahead has the Bloodhound suggestion engine, ...
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1answer
409 views

Updating feature in ArcGIS REST service with Ajax?

I have to modifiy an app. This app must update and add data to feature in an ArcGIS Server service. I know that with ArcGIS JavaScript API is very easy but this app is build with Leaflet and others ...
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1answer
527 views

Zoom to all points in arcgis js api

Can anybody tell me what wrong in this code. Here I am passing point geometry to query task : JS code : var districtName = $('#ddlDistrictd').val(); function showresults() { $.ajax({ ...
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1answer
273 views

Accessing GeoServer 2.8.0 on Debian 8 using Tomcat 8?

Not been able to access my GeoServer with JavaScript. The Leaflet code running natively works in other JavaScript/HTML pages which connect on-line GIS servers. Added the following to web.xml: <...
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1answer
54 views

How do I change my title of app?

We have a map with streets as basemap. We have been trying unsuccessfully, for the last two days to change the basemap to tiled layer with no success at all. I am posting a snippet because script is ...
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361 views

curl REST API to AJAX

I'm trying to make a web application that is able to : 1) Upload raster data to GeoServer so when I use this command on cmd it works curl -u admin:geoserver -v -XPUT -H "Content-type: image/tiff" --...
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11 views

showing GeoJSON result on googlemap [duplicate]

I want to get some point (in Geometry type) from my sql database with AJAX and show them on googlemap my table name is location_flat which has a column named position conatained my geometry points. ...
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82 views

Submit form in leaflet popup makes blank page

I have a problem with a leaflet popup. I made a form in it and when I try to send form with jquery & AJAX to postgis, data inserts correctly but blank page loads. How to update popup with response ...
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126 views

Multiple point add in OpenLayers maps with ajax request

I want to display multiple points in the database on the OpenLayers map. Points are in the form of gps coordinates. Here is the code that we have done so far: <?php $con = mysqli_connect("...
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0answers
14 views

CORS Error while fetching data from GeoSever [duplicate]

I am trying get data from GeoSever WMS layer using GetFeatureInfo it returns HTML format data. In browser I am getting response, but when I am trying fetch from application getting CORS error. Below ...
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294 views

Pushing features to external GeoJSON file

I am working on a project which uses Leaflet and leaflet.draw to show and draw shapes on the map. I also have a data.json file which I use to display former features generated from geojson.io. What I ...
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156 views

View GeoJSON data after clicking on the OpenLayers map

I'm trying to make a piece of code that when I click on the map to return GeoJSON property data that I clicked on. I tried this way: map.on('click', function(e){ //console.log(evt); //...
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1answer
75 views

Request a Ajax with GET to remove one or more geometries in OpenLayers

I have a html selection of the form: <table class="table"> <tr> <td> <label>Afiseaza:</label><br /> <select id="layer" onchange=...
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149 views

Leaflet custom icons and popups showing GeoJSON properties with external data?

How can both custom icons and geojson properties be implemented with external geojson in Leaflet? Using methods described in answers to two other questions, both using inline geoJSON: Using custom ...
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2answers
399 views

Displaying GeoJSON using Ajax and Leaflet?

I have been trying for days to load a GeoJSON file using Ajax and Leaflet. I can get the map & index.html to load using an Apache server and such but the GeoJSON itself does not show up. Here is ...
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1answer
35 views

Why is this happening? I show GeoJSON some coordinates with OpenLayers by request Ajax

I want to display a GeoJSON on OpenLayers with a request from Ajax from the database: I store in the geojson variable all the information and I icercated in two ways: 1. Directly from the already ...
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2answers
1k views

Get GeoJSON from a database by the AJAX method for OpenLayers

I have this code: if (ol.proj.proj4 && ol.proj.proj4.register) { ol.proj.proj4.register(proj4); } var features = new ol.format.GeoJSON().readFeatures( $.ajax({...
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1answer
381 views

FitBounds after L.GeoJSON.AJAX has loaded

I am making a Leaflet 1.3.4 map that will show members based on category. I have a php file "cs.php" that queries a MySQL and returns an option menu of distinct categories. When a category is selected ...
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1answer
759 views

Displaying geojson polygon in leaflet imported with ajax

I'm having difficulty displaying a simple polygon in leaflet. I'm unsure if my syntax is bad or if I'm importing the geojson incorrectly. I'm using the ajax plugin from calvinmetcalf and add the js ...
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1answer
575 views

input data coordinates to database from input data inside leaflet js

i have a problem with my update data coordinates form leaflet popup. i just want to make edit form inside leaflet popup. if i click marker in a map it shown coordinate with input form, if the building ...
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0answers
114 views

Using WMSGetFeatureInfo() of OpenLayers in Firefox?

I'm trying to read features from the response of an AJAX request using new ol.format.WMSGetFeatureInfo().readFeatures(parameter).The response format is application/vnd.ogc.gml (XML). The thing is that ...
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1answer
694 views

How to cluster external geojson (using leaflet.ajax.js)?

Understand the method of marker clustering but unable to find the right solution for external geojson. I have tried various cluster plugins but nothing seems to work. See example map here. var ...
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1answer
576 views

Adding a drawn layer to a layer group dynamically

I am trying to save a layer drawn using OpenLayers 3.9 and add it to the map and list it using ol3-layerswitcher. The layer is being saved and can be accessed through the GeoServer using WMS. ...
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2answers
1k views

Create a table from GeoJSON Data from Ajax link - Using Leaflet Javascript

I have an ajax link getting data from GeoServer. When a user selects features on a map, a new bounding box is calculate and sent via Ajax to GeoServer and the features within that bounding box are ...
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3k views

Can Leaflet method .getBounds() be used on a layer to determine if a point is within it's bounds?

I am trying to determine if a set of points are within the bounds of a grid layer (specifically what rectangular cells are those points in) so I can highlight just those grid cells (or add a popup for ...
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0answers
359 views

Save JSON from Openlayers using AJAX

I am trying to build a web app where users can use OpenLayers to draw features and then save them either as a download or write to a file on the server which I can collect when I need it. I am happy ...
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1answer
322 views

Openlayers GetFeatureInfo not working all zoom levels

I am sending GetFeatureInfo request to wms service. My parameter is like this. When I click to map, map click event is firing and I am sending this request to server. var params = { ...
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1answer
556 views

ajax request of wiki API in google maps infowindow

Hello guys I am stuck in the last part of a project. I have a project were I have infowindows for every marker when the marker is clicked a function "populateInfoWindow" is called. In that function ...