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

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1answer
156 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
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1answer
647 views

Using URL of JSON file on local drive with OpenLayers support?

When i save json file in web apps then using http://localhost:8080/WGSClient/js/object.json this path file gets open. But when i keep it outside web apps like local folder then using same url format ...
3
votes
2answers
179 views

Geocode an address and then buffer

I have a script which geocode an address and buffer that address by 1, 5 and 10 mile radius. The problem I am having is that the address on the map shows 4 different points not sure what's causing it. ...
0
votes
1answer
16 views

OpenLayers 3 not displayed layer

Why my "OpenLayers" not displayed added layer? window.setWMS = function( WMSN ){ window._blockEvents = true; var url = WMSN[0]; var layer = WMSN[1]; var server = WMSN[2]; var wms ...
0
votes
1answer
15 views

Openlayers 3 bad coordinates

I am using Openlayers 3. In order to open the map i use OpenStreetMap generated tiles. When i try to get coordinates using polyFeature.getGeometry().getCoordinates() it provides me bad coordinates , ...
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 ...
3
votes
1answer
401 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
58 views

Mouse wheel events not fired when focus on map element INSIDE winform web browser

i'm displaying a openlayers map inside a winform web browser, since i'm getting focused on map element(with a click on the map), i have not getting mouse wheel events any more,even not document ...
2
votes
2answers
165 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 & ...
3
votes
1answer
57 views

ArcGIS JavaScript API won't recognize ArcGIS online material that isn't shared publicly

I am trying to add KML Layers to the ArcGIS JS API. I have the KML layers hosted on the ArcGIS Online server. This data that I am working with contains some sensitive information and I am trying to ...
0
votes
2answers
3k 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
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votes
1answer
16 views

How can i highlight a point using arcgis api for javascript?

How can i highlight a point using arcgis api for javascript? When i use the function of centerAndZoom ,I also want to highlight this point,how can i do?
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0answers
18 views

How to implement WPS functionalities from geoserver using openlayers3? [duplicate]

I am trying to build wps functionality using openlayers3. As we have seen the wps builder example in openlayers2 but no example i have seen in openlayers3. Can anyone provide me example for wps ...
2
votes
2answers
24 views

CartoDB latlon change to lonlat

I have this script I am trying to use to search for a value within a CartoDB table. I can't seem to figure out how to reverse the order of the lat & long coordinates so they appear as lonlat... ...
0
votes
1answer
13 views

why my script does not change visible state layers?

why my script does not change visible state layers? window.setVisibleWMS = function(visible, index){ window._blockEvents = true; map.getLayers()[index].setVisible(visible); ...
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0answers
16 views

Mapbox.js: Bind dynamic popups with featureLayer?

I am building a multiple chloropleth map using v2.2.1 of Mapbox.js with featureLayer. Now I would like to add tooltips with custom content on hover event. This code is working well to set up the ...
1
vote
1answer
16 views

How to get line and polygon points from OpenLayers 3 drawing

I am working on drawing points/segments/polygons on a map that uses OpenLayers 3. The first part I have done draws points, lines and polygons. Now I am trying to retrieve the drawn coordinates in ...
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votes
0answers
12 views

Open Layers 3 Dynamically or Batch Add Layers from user folder

I would like to dynamically load all layers (kml, for instance) from a user's folder to a group map. ...This likely requires an iteration that searches the folder and adds the layers to the users' ...
0
votes
1answer
32 views

Leaflet map on click ignore layers

Leaflet has a 'click' event: map.on('click', function(e) { alert(e.latlng); }); This does not appear to work when map layers are displayed on the area clicked. Is there a way to use ...
0
votes
1answer
33 views

How to let the user resize a Leaflet map <div>

I use Leaflet to display some map. I would like the user to be able to resize the map by dragging its borders as she likes. I would like to do this without additional Javascript libraries, instead by ...
0
votes
0answers
20 views

getting attributes of Openlayer Map by Javascript

I have created an OpenLayers map via the following code: var map = new ol.Map({ target: 'mapdiv', layers: [ new ol.layer.Tile({ source: new ol.source.MapQuest({layer: 'sat'}) }), new ...
134
votes
17answers
52k views

How do various JavaScript mapping libraries compare?

I am working on a web-based mapping system and I'm trying to figure out the best/most appropriate library to use. There are a few of them about and they each have pros and cons. Even after trying a ...
0
votes
1answer
221 views

Placing GeoServer WMS layer within OpenLayers 3

I have the following basic OpenLayers 3 code that opens a OSM background mapping and this works fine: <!doctype html> <html> <head> <title>Hello PMS</title> ...
0
votes
1answer
193 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 ...
1
vote
1answer
229 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
0answers
19 views

Adding KML layers to ArcGIS JS API v4 (beta)?

I have been building a web application using ArcGIS JS API v4.0.Beta1. I am having difficulties finding out how to add KML layers to the scene. How do I add the KMLs? I have tried adding a new feature ...
0
votes
0answers
12 views

cartodb featureClick not working

I am trying to get the on click event when a marker is clicked, but its not working at all. Here is my code var list = ...list of codes...; cartodb.createLayer(_this.mapData.map, { user_name: ...
1
vote
1answer
14k 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 ...
0
votes
1answer
176 views

OpenLayers Drag&Drop a pin to select position?

Is there an OpenLayers example that allows the user to set a position with drag&drop. I would like to have a pin and set the position after the user drags & drops the pin to a new position.
2
votes
1answer
430 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 ...
5
votes
2answers
360 views

How to reference the ArcGIS Server JS API using RequireJS

When using RequireJS to load a JavaScript library from a CDN, an example syntax is shown at https://github.com/requirejs/example-jquery-cdn: requirejs.config({ "paths": { "jquery": ...
2
votes
2answers
342 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 ...
0
votes
1answer
22 views

3D equivalent to ArcGIS API?

I am currently working on a 3D mapping project. And I have created some KML files from ArcGIS Online, and I have edited them in Google Earth to adjust the 3D attributes. I am also designing a webpage ...
1
vote
1answer
185 views

Google Hybrid Map tiles won't load in OpenLayers when centered on certain position

Since the Google Maps API update to V3.2 (17 Feb 2015) our maps have not been loading to their initial state, centered over the Gulf of Mexico. When the center location is: center: new ...
1
vote
2answers
1k 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
271 views

Geocortex Viewer: Running a Workflow with Arguments

I have a webpage with the Silverlight Geocortex Viewer embedded in it. Through the browser's developer console, I can run commands through it such as ...
0
votes
1answer
11 views

how to create a cartodb layer via post request

I have a select query (really long) based on which I want to create a layer on google maps. I tried the same query in cartodbo map editor(online) it worked fine. But when I wrote a code to access the ...
0
votes
1answer
27 views

SVG image color to be changed by CSS when using ArcGIS API for JavaScript?

I have a image "a.svg" (let's say). I want to change the fill attribute of this svg symbol using CSS. I use this image in a picturemarkersymbol to display a graphic on the map. Is it possible to ...
2
votes
3answers
2k views

ESRI proxy page not working properly + CORS + cross domain scripting

I have set up a proxy page. I am using jsp version of proxy page. I have set up a server URL which will point to my Java. When I load the my page which the proxy URL has set in its html it will work ...
3
votes
3answers
155 views

How to insert coordinates to url

What would be the approach to show and dynamically update the map coordinates in the url like stamen is doing it? Are there any built in functions in OpenLayers, what other techniqes could I use or do ...
0
votes
0answers
6 views

How to change Level Zero Tile Count in Leaflet

I have a tile map that I want to display using Leaflet but the base layer is 4 tiles by 4 tiles instead of the usual 2 by 2. Is there a way make this work with Leaflet?
2
votes
1answer
68 views

Google maps not displaying until zoom in/out using openlayes2

I am using openlayers 2 for map displaying using following code, map = new OpenLayers.Map("mapDiv"); map.addLayer(new OpenLayers.Layer.Google("Google Streets",{numZoomLevels: 20})); ...
0
votes
0answers
57 views

browser crashes when loading legends at startup

After much perusing for solutions, I've decided to post my problem as a question. I'm trying to load the legends that are built into the ArcGIS Service Layers I'm using. I'm loading about 7 Dynamic ...
0
votes
0answers
9 views

Javascript - Convert arc polyline to arrow polygon

I am using the arc.js library to generate arcs on my map. Those arcs are polylines. I would like to transform those arcs into arrows polygon. To create the arc, I need the start and the end ...
2
votes
1answer
76 views

Legend not removed when layer changed [closed]

I made this webpage with JavaScript and CartoDB. The layer selector works like I expected it to but I noticed that the legend are stacking on top of each other and not being removed when the layer is ...
0
votes
1answer
89 views

Leaflet: Scroll wheel controlling map zoom and not drop down menu

Edited 6/19/2015 I have a custom leaflet control box with a drop down menu. When I use the scroll wheel over the menu, the map changes zoom level instead of scrolling the menu. The problem occurs ...
2
votes
1answer
20 views

disable onEachFeature at zoom level, leaflet

I have a leaflet map that zooms and fits on the bounds of the polygon that is clicked via onEachFeature. Is there a way to disable this at a certain zoom level? I add new layers on the 'zoomend' ...
0
votes
0answers
13 views

Openlayers 3 equivalent of Openlayers 2 OpenLayers.Protocol.HTTP.options.params?

Is there a way to send data to the server with POST request instead of GET ? I used to use Protocol.HTTP.options.params for this purpose, but I can't find any equivalent in Openlayers 3 ...
0
votes
0answers
34 views

Layer Tree Collapse Alongside OpenLayers3

I have the following JSFiddle that includes a layer tree for my OpenLayers3 map. It is currently set up so that when you click on the branch 'parent', the layers collapse. I'm looking to make it so ...
0
votes
1answer
299 views

How to add WMS Layer from Mapserver( localhost) on Cesium Globe?

I am trying to add WMS layer from mapserver i.e. from localhost on Cesium Globe with the following HTML code. But I am not able to load or connect Cesium with the Mapserver and nothing is displayed on ...