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

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Create shapes using google streets layer of openlayers plugin [duplicate]

I am using openlayers plugin to use as the base layer of streets google. I have attached the picture that you can see that the more I give to zoom overlay layer moves. When I used another shape as I ...
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56 views

Openlayers Map Marker / Popup Behaviour Mobile Devices

Quick overview. i am creating a site with a map using Openlayers and Open Street Maps. User clicks on map and fills out a popup form and submits form. Markers appear at lonlat points where map was ...
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9 views

WMC as a permalink

I'm using the permalink control in openlayers but there are limitations in the way it handles map's context. For example if users load an external WMS layer it won't appear in the permalink. WMC has ...
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1answer
26 views

OpenLayers rules and context, what is the difference?

OpenLayers.Style employs two properties, "rule" and "context" which accordingly contain an array of OpenLayers.Rule and a set of methods. I have noticed that "context" can somehow substitute "rule". ...
2
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1answer
57 views

Openlayer3 basemap appears white block in Chrome

i faced interesting an issue on Chrome. im using google's 4 number base layer (street, hybrit, etc.) When my tiles are loading over baselayer, baseLayer becomes white block. Why? No any issues on ...
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1answer
26 views

OpenLayers Vector Legend

I am looking for ways to add legend icons for vector features in OpenLayers. I am aware that GeoExt does this and have trawled through the code - but its not at all clear to me how it functions. Any ...
4
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1answer
51 views

Layer is refreshed after an ajax request with openlayers

I can't understand why my vector is empy after this ajax request : function loadKMLTMINT(terminalcode) { MapPanel.el.mask(); Ext.Ajax.request({ url: 'php/GetKMLTM.php', ...
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1answer
30 views

How do I cycle through the available Overlays and Base Layers using OpenLayers

I would like to have my map cycle through the display of loaded overlays and base layers using Javascript or jQuery. I would like to do this with a delay of 5 seconds between cycling. Does anyone ...
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1answer
17 views

OpenLayers: How to remove custom controls?

I am trying to remove custom draw controls from my OpenLayers application which I create like this: var drawControls = { polygon: new OpenLayers.Control.DrawFeature(polygonLayerFreehand, ...
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22 views

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
128 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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28 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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41 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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14 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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16 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
102 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
78 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
86 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
35 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
71 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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47 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
37 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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41 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
53 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
57 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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24 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
25 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
70 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
53 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
40 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
47 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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28 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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21 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
24 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
103 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
61 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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15 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
78 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 ...
0
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1answer
56 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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23 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 ...
0
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1answer
82 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 ...
0
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1answer
42 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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0answers
31 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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0answers
17 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 ...
1
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1answer
64 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
75 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
59 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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22 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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0answers
45 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
votes
0answers
42 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.