OpenLayers is a JavaScript library for creating dynamic map widgets for web sites.

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Parse GML with Openlayers

In our project we do a GET request to a WFS service. This service returns some GML. To parse this GML, we are playing with the GML parser of Openlayers. This is working as long the GML isn't ...
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3answers
212 views

Is there a API which return the geojson data for a countries borders?

Is there a simple free REST API where I can send the name or code of a country and get in return geojson data which highlights it's borders ? I'm writing an application where I will have a changing ...
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41 views

Multiple layers from one single KML file

Is it possible to generate multiple layers from a single KML file ? If yes, how can we do it on OpenLayers?
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56 views

searching data from wms geoserver in jquery mobile

hye all, need someone help, i use template from openlayer using jquery mobile, im really new in openlayer, i want to search data in wms, the coding is below ...
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15 views

Many layers from a unique KML files ? (OpenLayers)

I have a KML file generated from a server that contains many networks. I want to know if is it possible to generate one layer for each network from this single KML file ? Thank you!
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20 views

gt:VectorToRaster in Openlayers

i would like to opa vector table using "gt:VectorToRaster" a WPS function in Openlayers. my vector table is stored in Postgis 2.1 and published in geoserver. i need the code to do this, can you help ...
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1answer
315 views

Do I need a Google Map API key for using GoogleMap in my project?

Do I need a Google Map API key for using GoogleMap in my project where I am using OpenLAyers2.13?
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2answers
140 views

How to change Overlays checkbox feature in layerlist to radio button

How to change the default checkbox button of Overlays in Layerlist to radio buttons. My cliet dont want his users see more than one layer on the map. Is there any way that we can prevernt the ...
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1answer
111 views

Is there any readily available implementation of Mapserver (or Geoserver)- Postgres-Openlayers combination?

I am developing an web GIS for map data presentation for public. Is there any readily available implementation of Mapserver (or Geoserver)- Postgres-Openlayers combination or similar? More Details: ...
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1answer
59 views

Problem with OpenLayers Tile Stitching Printing - All Black Image

I am trying to get an image of my OpenLayer application. I am using this http://www.mapsportal.org/olprint/ and http://trac.osgeo.org/openlayers/wiki/TileStitchingPrinting as a guide. When I click ...
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1answer
124 views

layer disappear on Openlayer after specific zoom in

i have added some layer(s) and baselayer using openlayer v 2.11, layer does not appear when it first opened the page. But After zoom out it does appear. Why is behaving in this way, any params for ...
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57 views

OpenLayers DrawFeature Vector parameters

"Dear all, in my map application I am using a Vector/DrawFeature approach like this: var refresh = new OpenLayers.Strategy.Refresh({force: true, active: true}); var proj = "EPSG:900913"; var ...
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1answer
61 views

Using a tree menu beside openlayers

Is there an aplication to add tree menu for the map showed with openlayers? I mean show a map on my site exactly how is showing in google earth for example, my layers organized in folder/subfolder, ...
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52 views

OpenLayers.Layer.WMS and mapserver

I have a problem when I add a OpenLayers.Layer.WMS, I get a picture of my map but I can't do zoom on it. I read a lot of questions here but nothing help me. My mapfile is: MAP CONFIG "MS_ERRORFILE" ...
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1answer
153 views

OpenLayer - center map based on lon/lat of POI

Is it possible to center the map to the coordinates of a POI, imported by using a text file? (OpenLayers.Layer.Text) var pois = new OpenLayers.Layer.Text( "My Points", { ...
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1answer
101 views

How to have two OpenLayers maps on the same page

Specifically, my question is: how to assign the maps to different divs? In my page it kept placing the two maps under each other, although I defined the divs to be horizontally aligned. So I have been ...
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33 views

Possible to call Telogis Geobase server from OpenLayers or Leaflet

I've been creating mapping solutions some time with various platforms and one I am currently working on is utilizing Telogis. I'm having a lot of trouble with their JS library, and it's not playing ...
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1answer
29 views

openlayers and specific symbol

I m trying to use a specific marker with my geojson file. they dont show up depsite my readings and firebug. can any1 help me plz ? Thx var map = new OpenLayers.Map('map' ); var ...
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1answer
125 views

GeoExt 2 + OpenLayer 2.13.1 - Problem with 'OpenLayers.Control.SelectFeature'

I have recently started to work with GeoExt and OpenLayers to generate a web gis application. During the development of this application i have found a problem using the object ...
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1answer
66 views

Proxy to work with OpenLayers and Geoserver Locally with IIS express

I need to set a proxy to work with OpenLayers and Geoserver, which are both using a different port on my pc. I'm the site with openlayers is hosted IIS express and I'm not using Apache (so the ...
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1answer
50 views

how to refresh a layer using openlayer

in geoserver I configured a layer containing positions that change in time (they are smart phone positions indeed). I'am able to insert fresh position in geoserver datastore (a postgis db), but I'm ...
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1answer
55 views

Adding controls to OpenLayers maps - is this good code

I have multiple OpenLayers maps, each map gets a subset of controls that I use across all maps. In the past I have added controls in the traditional way, for each control. var control = new ...
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51 views

OpenLayers.Layer.Vector and BBOX

i configured this on my client page var kmlLayer = new OpenLayers.Layer.Vector("KML" ,{ strategies: [new OpenLayers.Strategy.Fixed(), new OpenLayers.Strategy.BBOX()], protocol: new ...
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31 views

Its possible to use a c# webmethod with a openLayers.Protocol.HTTP?

Hi Im trying to use c# as a backend of a layer: var layerVehicles = new OpenLayers.Layer.Vector("Dispositivos", { strategies: [new OpenLayers.Strategy.Fixed(), new ...
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1answer
28 views

Load a vector only for a specific zoom

I have a map with 4-5 vectors. At the beginning, the loading of the web application is very very slow, but was fine before I've added a new one vector, which is used only for little zooms. Is it ...
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1answer
136 views

Minimum hardware requirements of server for host ArcGIS Server / QGIS / GeoServer? [closed]

I want to buy server on (Hetzner or other) for host the OpenLayers map on site. Well, I do not understand what the performance should be the server. I know that it depends on many factors (size, ...
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1answer
104 views

Add features to vector layer from WFS protocol read response

Im trying to add the features i get from a WFS query using the WFS protocol. But something doesnt work. I have looked at other post with people having similar problems, but their solution dont fit ...
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16 views

based map follow layer wms tiled

I am new to OpenLayers. I want to develop a system. I already get a layer from GeoServer using WMS services; this is the code: var hilirPerak = new OpenLayers.Layer.WMS("hilirPerak", ...
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1answer
165 views

How to Represent large data using google map api in javascript

1) I am trying to represent data using bins as the data was too large to display each and every point simultaneously. but the problem with this also existing if the no of bins are getting larger ...
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1answer
102 views

OpenLayers with MVC and SQL Server

I have imported some shape files into SQL Server 2008. Now i want to use OpenLayers with my MVC 4 application to render those shape files from SQL Server Database. Any help in this regard?
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26 views

popup.contentDiv OpenLayers Popup window

Could somebody help with popup.contentDiv()? I don't understand how can I define the HTML div class here. In general I would like to define some customs characteristics via HTML. The source ...
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1answer
106 views

Reading Features From A Google Fusion Tables Table - OpenLayers

Why doesn't this example work? http://dev.openlayers.org/releases/OpenLayers-2.12/examples/fusiontables.html I would like to do something similar but i can not find any other example how to display ...
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1answer
101 views

WMS BBOX in URL vs in params

I'm new to OpenLayers and Geoserver and I have a problem (of course :P). I must retrieve a layer from Geoserver's WMS service, and I want to construct the URL to request it. If i try to make this: ...
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38 views

How to displace overlapping features in OpenLayers?

I have two line layers representing a different bus routes. The bus routes sometimes run through the same street. In these cases, the line layers overlap and only the upmost layer in the stack is ...
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19 views

Server Side Thumbnails

I am using a combination of base maps from Google, Bing and OpenSteetMap, along with GeoServer and some geo-spatial data stored on a SQL server, as well as OpenLayers to display maps on a website. I ...
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1answer
103 views

how to limit zoom level in OpenLayers

I would like to have only 3 levels of zoom available (from level 6 to level 8). demolayer2 = new OpenLayers.Layer.WMS( "abc...","http://localhost:8080/geoserver/gwc/service/wms", {layers: 'def...', ...
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1answer
234 views

How to limit zoom level in OpenLayers [duplicate]

I would like there to be only 3 levels of zoom available in the WMS that is displayed in my OpenLayers.Map (from level 6 to level 8). demolayer2 = new OpenLayers.Layer.WMS( ...
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2answers
84 views

OpenLayers request a WFS feature

I am trying to request features of a wfs layer and then zoom to them. The wfs layer is defined as follows: wfsLayer = new OpenLayers.Layer.Vector("University", { strategies : [new ...
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1answer
66 views

OpenLayers: Show a styled title similar to pop-up but always visible?

I need to basically create boxes with titles inside, set to different styles (different coloured box, different FontAwesome icon etc.) set to specific points on the map, ideally replacing the label ...
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77 views

Animation and zooming in OpenLayers

I need your help. I'm learning to use OpenLayers (version 2.13.1) and I've made some custom buttons to test the controls. Now, I have a button which is bound to a simple setCenter() method that works ...
2
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0answers
49 views

Thematic mapping [closed]

What is the best way to develop thematic maps? I would like to generate pie charts and fill polygons with different colors depending on a parameter value. I'm working with ExtJS 4.2 and OpenLayers.
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58 views

Digitizing with OpenLayers Plugin seems incorrect

I am attempting to digitize some buildings based on floor plans using QGIS. To do this, I have taken the blueprints, georeferenced them against openlayers bing aerial plugin. I then digitized the ...
2
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2answers
74 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 ...
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0answers
93 views

How to load WMS Layers automatically when using heron MC

I'm using Heron MC with extJS, GeoExt, and OpenLayers 2.13. At first I try the default configuration of the Heron MC and every layers load automatically when I opened the webpage. However, when I ...
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1answer
82 views

Is it possible to access geoserver wfs layer from localhost:8080 in to web application? [closed]

I want to add a WFS layer. I am trying to get WFS layer from localhost:8080 geoserver. but I am getting eoserver DateLineWrap in Openlayers.js file...
2
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0answers
38 views

How would I get number of tiles loaded, and total number loading?

So new to OpenLayers 3, and I'm trying to create a "loading bar" to indicate how much of a layer has loaded. I'm thinking of making it based on the number of tiles loaded so far divided by the total ...
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1answer
38 views

Zooming to specific polygon boundary Openlayers

I want to zoom to specific polygon boundary of some polygon layer. How can I do this.The map layer is WMS layer.
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1answer
51 views

How to use POST method with Overpass QL and OpenLayers?

I am using OpenLayers and Overpass QL with GET method to retrieve data from the Overpass server. Some URLs tend to be very long and hence get rejected by the Overpass server. To get around this, I am ...
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0answers
29 views

Which are the differences between using javascript openlayer and gwt-openlayer API?

I am about creating a web app which should use openlayer API, but I would like to use GWT too. So I have the following questions: Is it the same to use GWT-openlayers API in terms of functionality ...
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28 views

Wrapdateline support in Openlayers for Bing baselayers

I have setup the Bing map as the base layer. I want to have a continuous horizontal panning, so I have added the wrapDateline option in Openlayer for OpenLayers.Layer.Bing map type. However, afer the ...