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

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4
votes
2answers
2k views

How to trigger a hover event for map graphics in ArcGIS Javascript API?

I want to trigger an event when the user hovers over a geometry that they drew. I know how to set up hover events for DOM objects, but not for graphic elements within the map window.
5
votes
1answer
107 views

Making a 3D map with shapefiles, lidar and aerial image data

I want to try to make a simple 3D map for a small area (10 square miles) with some housing, some roads and some vegetation on it. My geodata is as follows: shapes with houses/roads/vegetation. ...
2
votes
1answer
1k views

Getting capabilities from tomcat's Geoserver fails

I want to take capabilities from tomcat's geoserver, using this code: wms = new OpenLayers.Format.WMSCapabilities(); OpenLayers.Request.GET({ ...
3
votes
2answers
127 views

Automate testing of web app based on ArcGIS JS API

So, there are multiple products that can let you automate testing interaction with web pages. I have used Selenium IDE for some time now and it works great for creating unit tests for HTML elements on ...
0
votes
1answer
207 views

refresh the map Ol3 (Openlayers3)

Hello I'm using ol3 in a mobile hybrid application using sencha touch2 , so I start by drawing a polygon inside a map , after validating this drawing I redirect the user to an other form in order ...
8
votes
3answers
1k views

Embedding dynamic maps into PDF files?

Working in consulting, I found that sending clients PDF file with my embedded maps is one of the best ways to achieve a wow-effect from them. The latest pdf file formats all support the layers ...
1
vote
1answer
140 views

ArcGIS javascript API setDefinitionExpression returns wrong result set

New to GIS and ArcGIS. I am trying to use the javascript API setDefinitionExpression to limit the output of a FeatureLayer on the map; however, the result set returned by the function is incorrect. ...
0
votes
1answer
130 views

get and change style property openlayers

i need to change the property of some style after its created, and i need to change it with knowing only the string of the property name. i am getting string like "fillColor" and value like "blue", ...
0
votes
1answer
16 views

Use Mapbox featureLayer to create Marker Clusters

I'm trying to use this tutorial (https://www.mapbox.com/mapbox.js/example/v1.0.0/markercluster-with-mapbox-data/) to create marker clusters to style a Mapbox featureLayer containing my data. This code ...
1
vote
1answer
124 views

Using Odyssey.js with Cartodb.js

I'm looking to use Odyssey to create an interactive introduction to various data layers on an interactive web map I've created using CartoDB.js. I'd like to have different data layers turned on / off ...
2
votes
1answer
393 views

Leaflet setView with non lat/long CRS

Is it possible to use setView when using an alternative CRS? var map = L.map('map',{crs: L.CRS.EPSG26915}).setView([4970081,477018], 13); // Returns: Uncaught TypeError: Cannot call method ...
0
votes
1answer
122 views

How to submit data to modify feature using applyEdits of ArcGIS API for JavaScript?

I'm new to ArcGIS API. In a form, how can you submit data to modify a feature using applyEdits? No map is involved with this. I have a form that populates the editable data with javascript. When the ...
3
votes
1answer
364 views

how to disable duplicate items in the legend for ArcGIS JavaScript API

I have a problem with duplicate items in the legend panel! Can anyone help me? This is my feature Layer with popup info: // Feature Layer var msFeatureLayer = new ...
0
votes
1answer
20 views

Batch Edit GeoJSON Markers with Mapbox.js

I cannot figure out how to style all feature points from a local GeoJson file at once using the Mapbox.js. My GeoJSON file has roughly 500 points. I could go through each point in the GeoJSON file and ...
1
vote
0answers
51 views

Retrieve the attributes from a feature with IdentifyTask/IdentifyRequest (Javascript API)

So I'm building a GIS web application. I am able to get the result from IdentifyTask with the "oncomplete" function, the problem I am running into is how I can get the information back out of the ...
2
votes
1answer
157 views

Duplicate source information from esri.tasks.PrintTask

We are trying out the PrintTask in ArcGIS Server 10.1 pre-release. When an Esri base map is enabled, we are getting source information in two places in the resulting .pdf. I can confirm that this ...
0
votes
1answer
15 views

A method for limiting the number of results the Get Feature Interaction brings through in OpenLayers 3

I have so far managed to return a list of all the customer names at a single point when the vector layer is clicked on. I am looking to limit this to only show the first (or just one) record.Could ...
2
votes
1answer
130 views

find inner bounds of a polygon in leaflet

How can I find the inner bounds of a polygon in leaflet? I a want to plot points randomly in polygoon but when I say Layer.getBounds() I get the bounds and I can still plot the markers ...
0
votes
1answer
59 views

Map.addLayer() is not working

I am creating an app with leaflet that shows a route on a map based on the button clicked. For example when you click on "button1", the associated route is successfully displayed on the map (i.e. ...
1
vote
1answer
3k 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 ...
0
votes
0answers
11 views

Limiting returned records for an interaction in OpenLayers 3

I have the following script that returns a list of all the customer names at that point when it is clicked on. I am looking to limit this to only show the first (or just one) record.Could this be ...
0
votes
0answers
12 views

How to make the value showing on a leaflet heatmap like this one?

I'm attempting to use leaftlet.js, and heatmap.js (github.com/pa7/heatmap.js/) following this example: www.patrick-wied.at/static/heatmapjs/example-heatmap-leaflet.html But I want to show the value ...
5
votes
3answers
971 views

Create buffer around point in LeafletJS?

I am using LeafletJS. I want to create buffer around point. after Selecting a point buffer radius will be specifed by user in feet. After searching of awhile I found this link of JSTS. does JSTS ...
0
votes
1answer
32 views

Use turf.count with turf.buffer dynamically

I have this code where I'm trying to create a buffer dynamically from a draggable marker and then count how many points fall insed this buffer. As of now I can drag the buffer around without any ...
0
votes
1answer
50 views

allow client to upload Layers to Openlayers 3

I want to allow the clients to add vector layers in form of a geojson to openlayers 3. It should look like in this fiddle . I know how to add multiple layers but I want the client to be able to add a ...
0
votes
1answer
14 views

How to update data in Leaflet Control?

I have a Leaflet map with a control to switch between various basemaps or toggle on/off some overlay data. //Basemaps are all a-okay //Start with no polylines in my overlayData items = []; ...
2
votes
1answer
213 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
0answers
10 views

Is there a way to sort the results of a Nominatim request?

I was wondering if there is a way to sort the results of a request to Nominatim. I am using JavaScript for the request. When I type street name and house number I do get a certain number of results. ...
2
votes
1answer
162 views

OpenLayers - cannot set layer opacity

I have the following problem: by default, you can simply change the opacity of layer by writing for example: layer.setOpacity(0.3); But when I add it to my map SelectFeature controls, my layer is ...
0
votes
0answers
25 views

Heron 1.0.5 - can't use measurelength tool

if there is somebody here using the Heron-MC framework in the latest version 1.0.5 and can answer to my problem.... When looking at the examples of Heron v1.0.5 then it looks like I simply have to ...
1
vote
1answer
120 views

Change The OpenLayers 3 script into openlayers 2.13

Hi all I want to change the code from pgrouting latest workshop which is used the Openlayers 3 beta to Openlayers 2.13 The code is in here http://workshop.pgrouting.org/chapters/ol3_client.html I ...
1
vote
1answer
11k 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
1answer
373 views

How to write addressToLocations onError?

How can I write a code for checking the error condition in Javascript (ArcGIS) for addressToLocations(params, callback?, errback?). if somebody entered an invalid address- how can I call error ...
1
vote
1answer
260 views

Using sql SELECT DISTINCT in Fusion Tables API

How do I go about using sql SELECT DISTINCT in fusion tables API?
1
vote
2answers
913 views

OpenLayers vector does not draw (or re-draw) on zoom level change or layerswitcher off/on

Here is the full code (i'll highlight the important parts after): jQuery(document).ready(function($) { // ...
0
votes
1answer
38 views

ArcGIS Javascript Spatial Query with Lat Lng or X Y?

I am using Google Maps on the front end as all I need on this view is to show the points. When user clicks on the map in the view, it selects a point hence giving out lat and lng. I am trying to use ...
0
votes
1answer
18 views

Parsing XML file with hundred polygons using OpenLayers

I'm using this script but It's not working. <script type="text/javascript"> var raster = new ol.layer.Tile({ source: new ol.source.OSM() }); var xml = new OpenLayers.Format.XML(), wkt = new ...
0
votes
0answers
11 views

Drawing lines along plotted coordinated points on roads for OSM Data

I have already plotted points(latitude and longitude coordinates) on my map(google maps api). These coordinates are OSM points that are stored in a postgres database and I have retrieved them using an ...
1
vote
1answer
45 views

How to nest GeoJSON features based on their geometry in javascript?

I have a GeoJson object with polygon features. Some of them have same geometry. They look like this: squareData = { "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": ...
0
votes
1answer
27 views

Leaflet.js rendering 'chopped' WMS point symbols for variable sized points

I am using GeoServer to render WMS for variable sized points based on a data attribute. This technique is documented in GeoServers SLD Cookbook here. The SLD that I am creating validates ...
0
votes
1answer
54 views

open layers 3 problem with feature overlay and

Edit -- I left out some very relevant information in my first post. I realized the issue I'm having isn't because of the counties layer itself but of the Feature overlay that is created when the user ...
0
votes
1answer
24 views

Remove CQL_Filter from Open Layer Map

I'm using Open Layer to show my map with some layers. I've a field where I can add some filters with CQL code. I can successfully add a new filter to my map, and only the right points appear in my map ...
2
votes
1answer
282 views

Openlayers map WMS stretched by latitude

I am working on a small javascript application for displaying map with WMS layers from 2 servers. The problem is, that image is stretched by latitude, it is wider, as it should be. This is is how it ...
4
votes
2answers
3k views

Hiding infoWindow of ArcGIS API for JavaScript while using measure tool?

In my Javascript API Web application I'm using the infoWindow to query a parcel layer and display display information in a popup when I click the parcel. I've set this functionality to turn on and off ...
0
votes
1answer
1k views

OpenLayers create marker (feature with icon) from WKT

I have a point object WKT. Like this: POINT (25.04568 48.221548). Also I have an icon in my project folder. My goal is to show on a map an icon that represents a feature. Can it be just a normal ...
1
vote
0answers
84 views

How to add pixels offset based on resolution

Currently I'm displaying popups on my map using this utility by Matt Walker. My code is something like this: map.defaultPopup = new ol.Overlay.Popup({ panMapIfOutOfView: false }); ...
1
vote
1answer
139 views

Why do I have to reload the page, to show the Map correctly?

I added a map, in the way I'm supposed to, but why do I have to reload/refresh the page, to get the map (almost) as I want to? This is, what I mean: Map before reloading the page: Map after ...
0
votes
2answers
2k views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
1
vote
1answer
2k views

Override infowindow Zoom To function or fire second event using ArcGIS JavaScript API?

The Popup of ArcGIS JavaScript API has a 'Zoom To' link on it that zooms you 4 levels closer to the linked feature. I'd like to fire another event after the default zoom to function executes. ...
1
vote
1answer
239 views

problem with popup conclusion on pressing a marker

I have markers on pressing to which popup has to be brought. how to make it? (coordinates of markers undertake from a DB) var map; var markers; function ejecutar() { init(3); ...