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

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Using AndNav tiles storage as input for OpenLayers.TMS

Is there a possibility to use map tiles from AndNav (created wit Mobile Atlas Creator) that are in format: Mapnik\12\2241\1369.png.andnav (I know that 12 is the zoom level but don't have idea what is ...
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192 views

Web mapping with Openlayers

On a pedestrian wayfinding scenario, I need to drape some extruded buildings close to the road as the user navigates along the road on a 2D Map Background. I hope I can use OpenLayers and ReadyMap for ...
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144 views

How to “page” through a set of features and display an infoWindow for each feature?

In the ArcGIS Server JS API the Popup object may be defined against an array of features. In that case the Popup contains Next/Previous buttons to allow the user to "page" through each feature in ...
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1answer
249 views

OpenLayers “Text” layer always visible on load

I'm trying to load a layer as an overlay and make it initially not visible airBoss = new OpenLayers.Layer.Text( "AirBoss Locations", { location:"./airboss.txt"} , { visibility: false, ...
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400 views

Openlayers WFS Overlay Problem

a) I am running a PostGIS database, and I want to display a Table with a about 500 Points of Interest. The POIs have the projection EPSG 4326. b) Geoserver is installed, running and connected to my ...
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2answers
364 views

How to change a marker on click

I've crated a map and tried, but it doesn't change until another event is caught or zooming map or by switching the browser tabs. What is the reason for this. please help me I've fiddle the code here ...
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3answers
1k views

30,000 data points… can this be reasonably served using openlayers?

I'm trying to tackle a web GIS problem and need to figure out the best strategy. I have a map with 30,000 cells on it forming a grid for the province of Alberta. I have a list of data points for ...
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1answer
2k views

map extent to show specific country

I use openlayers in my web app.I want to set map extent on specific country to show cities of that country but i don't know which option of map can show specific country in map!. How can i show ...
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2answers
2k views

How to skip drag event to stop a feature being dragged

I am new to OpenLayers and I'm trying to drag markers and skip some markers from being dragged, I've tried dragFeature.deactivate(); it will deactivate entire features please help me. Please check ...
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1answer
1k views

OpenLayers : How to make a marker fixed [duplicate]

Possible Duplicate: How to skip drag event to stop a feature being dragged I've created a map and added markers to baselayer on click by using this code : vectorLayer = new ...
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1answer
840 views

Is there a map-level event to signal the start/end of drawing?

In OpenLayers, is there an event which fires when the map starts drawing any layer, and another for when the map has finished drawing all layers? I wish to display a "waiting" animation while any ...
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22 views

Show vehicle traveled route as animation [duplicate]

Possible Duplicate: Animate feature in openlayers I create map web app with openlayers and yii php framework. I want to show vehicle traveled route as animation like below site in my ...
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336 views

Creating a Geodesic Polyline Buffer in OpenLayers

I have a feeling that the answer is going to be 'You can't do that without some very complex coding' but I thought I'd go for it anyway. I recently asked a question on how to create a Polyline Buffer ...
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2answers
436 views

LineString in OpenLayers: Is it possible to draw segments in different colors?

I'm a newbie in OpenLayers. Can you help me with this: Is it possible to assign color not to the whole linestring, but to different segments?
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1answer
958 views

OpenLayers : Map not loading

If i use a single wmslayer as map baselayer it loads the map, but adding different layers like (google,yahoo) to map it won't works. Can anyone tell me how to overcome this.. thanks in advance.. ...
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590 views

OpenLayers: Click event to display position shows Uncaught TypeError: Cannot call method 'getLonLatFromPixel'

I have created a map using openlayrs, and put a click event to display its position in screen, when i clicked got an error message like Uncaught TypeError: Cannot call method 'getLonLatFromPixel' of ...
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1answer
1k views

OpenLayers.Bounds transform not working as expected

I have problem with transforming bounds. It is not working for the first time, later it works just fine. At first i thought that something was still loading butsearching in firebug shows that nothing ...
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3answers
3k views

Slow IE8 responsiveness with OpenLayers and many features

Background Adding about 700 sites to an OpenLayers Map. Firefox 11 and Google Chrome display the sites just fine. IE8, which is the organization's standard and will not be upgraded for the ...
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2answers
4k views

Creating a Polyline Buffer in OpenLayers

I was wondering if there was a way to create a buffer around a polyline feature in OpenLayers. I have created a tool that allows the user to draw a circle buffer zone of whatever size and style they ...
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1answer
940 views

how to change marker angle in openlayers?

I want show one marker with normal angle 90 degrees(it is default of openlayers) and other marker with 120 degrees in openlayers. To differentiate with the normal ones. how can i do this.
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3answers
7k views

OpenLayers change feature's style

Working with OpenLayers 2.11, I'm desperately trying to change my feature style as the user selects it (fairly simple I agree!). Indeed, It seems easy but I can't see where It fails, perhaps someone ...
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2answers
3k views

Animate feature in openlayers

In my map web app, I have a play pause button that show vehicle route history.I get lat lon from database and create route that vehicle traverse. At below site go to history tab after and choose ...
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3answers
2k views

Label in the middle of linestring in OpenLayers

Is there anyone can put label in the middle of the linestring dynamically? I've used labelAlign option. I've changed this value from bc, cc, cm, etc. But it doesn't work at all. There's also option ...
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385 views

How to draw features with openlayers?

i have a DrawFeature tool. create= new OpenLayers.Control.DrawFeature(myVecLayer, OpenLayers.Handler.Polygon); app.mapPanel.map.addControl(create); i have a store. st = ...
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2answers
1k views

OpenLayers WMS disappears when including OpenStreetMap

Setup: ArcSDE 9.3.2 Oracle 11g GeoServer 2.1.4 OpenLayers (latest build) OpenStreetMap InternetExplorer 7.0/ Google Chrome EDIT: I have updated information just below the screen shots ...
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2answers
480 views

Popup is stationary does not move with the location

I am using the GeoExt example and used the same code in my application. This is my code The problem I am facing is that the Popup box in my application on http://128.196.142.94/geo/test/test.html is ...
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1answer
466 views

Loading features incrementally in a vector layer

I am new to OpenLayers. In one experiment I am doing I want to load, incrementally, features in a vector layer. In my setting, these features should be loaded from distinct OSM files (generated ...
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1answer
131 views

removing multiple additions to popup

I am using the GeoExt example and this is the js code and trying to get rid of the multiple lat and lon that get added into the PopUp on multiple clicks. Not sure which is the code that I need to ...
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280 views

How to get feature geometry?

I want to have a gridPanel with feature geometry. But i cant image how to do this. I have a FeatureStore st = new GeoExt.data.FeatureStore({ ...
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1answer
1k views

OpenLayers Vector KML draw black when change the style

I am trying to change the style of an OpenLayers.Vector using radio buttons and redraw it, but the result is a black vector. I tried own build OpenLayers11 and 12, beside api openlayers hosted. ...
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1answer
145 views

How to determine layers affected by a user-drawn polygon

Scenario: I have a set of layers, each covering one country. In my OpenLayers client, I enable users to randomly draw a polygon. A user is then able to perform analysis based on the drawn polygon. ...
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1answer
4k views

OpenLayers not refresh a layer

i have a problem with refreshing layers. I have WMS and WFS layers from one source. I edit WFS and after do wms_layer.redraw(true) but layer redraw only after zoom in or zoom out. Same with WFS. i ...
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1answer
1k views

'undefined' is not a constructor (evaluating 'new > OpenLayers.Layer.GML'

My OpenLayers map was working fine before, showing a KML overlay. Suddenly it broke. Now I see this error in my browser error console. TypeError: 'undefined' is not a constructor (evaluating 'new ...
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242 views

OpenLayers ArcGIS93Rest layer not showing up

So this seems like it should be super obvious, but I can't for the life of me figure out why I can't get any ESRI layers to show up on my map. I've tried different layers and messing around with the ...
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293 views

Does OpenLayers mergenewparams repeatedly hit a WMS server when you change the layer name?

Does mergenewparams repeatedly hit a WMS server if you change the layer name? For example, you call the server with layer 'a' then you use mergewnewparams and call layer 'b', then you use ...
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3answers
1k views

OpenLayers WFS flip coordinates

I have a problem integrating WMS and WFS. Basically what i want is when user clicks on WMS then a clicked polygon is added to vector (and selected). The problem is that the WMS is in version 1.3.0 and ...
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3answers
3k views

How to zoom to object on WMS layer with OpenLayers?

I have a map with WMS layer. And want to zoom to selected object. Now i use GetCapabilities from Geoserver and zoom to bbox of whole layer. So how to do what i want? Or can u tell me how to get ...
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1answer
325 views

Inner shadow of a OpenLayers map container?

Not sure if this question should be here in the GIS section or if I should move over to a more common html/css place, but here we go: I'd like to have an inner shadow of my OpenLayers map canvas so ...
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1answer
1k views

OpenLayers ModifyFeature and styling

In OpenLayers, I have a Vector layer with a StyleMap and SelectFeature and ModifyFeature controls, like this: vector_layer = new OpenLayers.Layer.Vector('My Vector Layer', {extractAttributes: true, ...
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1answer
1k views

Add labels above the lines in OpenLayers

How to add labels above the lines? Labels are added as follows: var styleMarkersLabels = new OpenLayers.Style( // стили для надписей узлов { strokeWidth: 2, ...
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257 views

WPSExecute Format Issue

I have: function createWPSExecuteRequest(namespace, layerName, popFilter) { var request = OpenLayers.Format.XML.prototype.write(new OpenLayers.Format.WPSExecute().writeNode('wps:Execute', { ...
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1answer
582 views

Can't display overlay

I am trying to add a WMS radar overlay to my map but it won't seem to gather it. noaaRdr = new OpenLayers.Layer.WMS("Latest Radar", "http://nowcoast.noaa.gov/wms/com.esri.wms.Esrimap/obs?", { ...
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1answer
1k views

How to display a control (zoom bar) outside map container in openlayers?

Since I'm new to OpenLayers this question might be the simplest of them all but after a quick search on the subject I couldn't find anything useful, so: Is it possible to put a OpenLayers zoom ...
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2answers
503 views

how to create gis like Uster?

I downloaded qgis, geoserver, openlayers, ext, geoext, qgis-web-client and osgeo. And i have map shape files. i would like create website like this site. i need help. can you send tutorial links thank ...
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1answer
370 views

I want to convert openlayers interface code to dojox code for pie chart use.So can we use same controls of openlayers map in dojox.If yes, how?

Is their any way to add same openlayers map control to dojox map like navigation,panel,panzoom
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952 views

How to fire a query from OpenLayers to GeoServer to fetch 'the_geom' column in PostGIS table?

I am coloring the polygon shapes of world_country. I have OpenLayers in my UI, GeoServer as server and PostGIS as db. All I want is fire this query: select the_geom from world_country where ...
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321 views

Problems with labels halo in OpenLayers

Draw label as follows: var styleMarkersLabels = new OpenLayers.Style( { strokeWidth: 2, labelYOffset: 14, label: ...
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322 views
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452 views

OpenLayers ModifyFeature for multiple layers

Is it possible to configure the ModifyFeature control to edit features in multiple layers?
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1answer
3k views

How to edit feature attributes with openlayers?

I want to edit object's attributes on WFS layer. I see this example http://gis.ibbeck.de/ginfo/apps/OLExamples/OL26/examples/styles_unique_with_group_wfs.html but popup is horrible. I want to use ...