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

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3
votes
1answer
1k views

How to get bbox from capabilities?

I have WMS layer and want use zoomToExtent after CQL filter. So i gonna get bbox from geoserver. wms = new OpenLayers.Format.WMSCapabilities(); OpenLayers.Request.GET({ ...
3
votes
1answer
2k views

Openlayers + WMS layer. Use scale or resolution + DPI

I have a problem with displaying map with WMS layer in Openlayers. I'm able to display it but the image of the map is not sharp especially at higher zooms. I have a documentation from the map ...
0
votes
0answers
63 views

How to turn off Google map data copyrighted window in Google Street layer (Qgis - Openlayers Plugin)? [duplicate]

Possible Duplicate: How to close watermarks in openlayers plugin After a few weeks not using Qgis, this morning I opened it up, accepted a request to update Openlayers Plugin. Right now, I ...
1
vote
1answer
693 views

Efficient WMS or TMS Loop for Radar data?

I'm looking for an efficient way to loop radar data from a Tilecache or WMS Server. Right now, I make an array of layers and increment through them, but this seems inefficient since I end up with a ...
2
votes
0answers
398 views

Zooming the map after filter

I have wms layer and after i do cql filter on this. And now i want to see result. I want map zoomed to this result. My code. ex=layer.getExtent(); map.zoomToExtent(ex); But getExtent() returns ...
2
votes
1answer
697 views

Syntax of WFS request in OpenLayers

I am in need of the correct syntax for loading WFS layer using OpenLayers. I have gone through many examples on the OpenLayers site and other examples, but can't figure out how to use the necessary ...
3
votes
1answer
690 views

WMS,WFS Services in Mapserver

I am new at Mapserver. I was trying to get WMS and WFS services started but could not get any simple article to start the services from scratch and display service data into openlayers. Please ...
2
votes
1answer
2k views

distanceTo is giving wrong result in OpenLayers?

Hi i am using distanceTo from OpenLayers to calculate the distance between two locations these are map details Geographic = new OpenLayers.Projection("EPSG:4326"); Mercator = new ...
5
votes
1answer
1k views

MGRS in OpenLayers

I am trying to view the Military Grid Reference System coordinates in Openlayers through the MousePosition control. Is there an easy way to accomplish this just through Javascript? I am looking at the ...
0
votes
3answers
1k views

How to zoom map after CQL_Filter?

I have WMS map, after applying CQL filter to layer how can I zoom map to see filter result? UPDATE: Here is my code what I'm trying to do var layerArray = map.layers; var someLayer; for (var i = ...
2
votes
1answer
1k views

GeoWebCache OpenLayers WMS request structure

I'm developing a GIS app that makes use of GeoServer and GeoWebCache for serving requests, and OpenLayers for frontend. WMS requests to the GeoServer are served with no issues. But when I make a ...
1
vote
1answer
301 views

Can feature Info be extracted from WMS

Ok since my previous problem of overlaying WFS onto WMS is still unsuccessful, I though was able to overlay the WMS instead with this code, {layers: 'iPlant:AllQuebecSpecies', transparent: true} So ...
1
vote
1answer
3k views

OpenLayers - WMSGetFeatureInfo, picking a feature's attribute from a WMS layer created in GIS Cloud

I created a WMS layer in GIS Cloud app. I use GIS Cloud because they provide prepared app to transfer data from mobile to layer. The URL of WMS layer: ...
0
votes
1answer
260 views

Advantage of using WMS over WFS [duplicate]

Possible Duplicate: Comparison of WMS and WFS services I am trying to overlay WFS over WMS and still not successful. So wanted to know when and why would someone use WFS? I need to extract ...
2
votes
0answers
172 views

Rerendering OpenLayers in JSF2

did anyone try rerendering OpenLayers in JSF2? I am using a4j:ajax events, I mark the render atribute with render="map" where map is naturally the id of the openlayers div tag, and I use ...
1
vote
1answer
723 views

OpenLayers Scaleline always wrong in my virtual star map

I got a problem for the scale line when I using openlayer to show my "star map". Basically, I give a set of 2D coodinates (X,Y) for each star, and generate the map using map server. Now the map can be ...
4
votes
2answers
2k views

Unable to create WFS successfully

I know there has been lots of WFS assistant and I did follow this one word by word, which I found was the best in the entire gis stack but still no clue why I am unbale to render a WFS on base map. ...
7
votes
1answer
1k views

How to configure custom scale in Leaflet?

I have a custom WMS tileset generated using ESRI ArcGIS Server. I have successfully configured an OpenLayers page to display this basemap. The code is as follows: var map = new ...
2
votes
2answers
2k views

LayerSwitcher() not working with Group Layers from Geoserver

i have used LayerSwitcher() before and it has worked fine but I am now trying to use it with the group layers in Geoserver and the map blanks out. tiled = new OpenLayers.Layer.WMS( ...
2
votes
1answer
685 views

Which web application framework is easiest for building website displaying lot of geospatial data?

I am building a simple website that displays a lot of geospatial data (which is routed through Geoserver). I was trying to use Drupal-6 to build the website component (non geospatial descriptions) but ...
2
votes
0answers
103 views

When using OpenLayers plugins maps, can I have Longitude/Lattitude labelled on my grid when using the Map composer in QGIS?

Using OpenLayers plugins maps, can I have Longitude/Latitude labelled on my grid when using the Map composer in QGIS?
4
votes
3answers
6k views

How to get the layer name?

I am using OpenLayers, Geoserver 2.1 CQL language. The problem is that I do not know how to address the layer. I am trying to call a function like this: var createWmsLayer = function(name, url, ...
3
votes
1answer
664 views

How to use drag feature in 2 layers?

I used the following code: this.installDrag({layer:this.poiLayer,opt:'load',id:'poiLatlong'}); this.installDrag({layer:this.addNewPoiLayer,opt:'add',id:'poiLatlong'}); but drag is installing for ...
6
votes
2answers
1k views

Options for PostGIS and Mapserver outputing SVG, and client with OpenLayers

This question is related to "Options for displaying PostGIS vectors in OpenLayers?", but I need SVG output on server. OpenLayers must render SVG directly. We are using Mapserver6, and thinking on WFS ...
1
vote
1answer
410 views

How to get CQL_FILTER parameters from vector polygon

map projection is EPSG:900913, displayprojection for map EPSG:4326. vector layer is polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer"); with draw polygoon option with following code I get ...
3
votes
1answer
3k views

Change Vector projection in Openlayers

I have added vector layer to map vactorTest = new OpenLayers.Layer.Vector("Editable Features", { strategies: [new OpenLayers.Strategy.BBOX(), saveStrategy], projection: new ...
11
votes
2answers
2k views

Understanding web mapping tools [duplicate]

Before I start, this is going to be a general question but with specific cases. I've been trying to understand GIS tools and applications to achieve the following: Build my own basemap Publish the ...
2
votes
1answer
593 views

How to find Drawn Polygon intersection with layer elements in OpenLayers

I draw polygon vectors and I can find intersection to each other: vactorTest.features[0].geometry.intersects(vactorTest.features[1].geometry) but I want to find which layer elements this polygon ...
5
votes
2answers
2k views

Layer misalignment with UK Ordnance Survey data and OpenLayers

I am in the UK and my QGIS projects are based on UK Ordnance Survey mapping data and are set up in EPSG:27700. Whenever I have tried dropping an OpenLayers layer (Google Satellite/Bing Maps Aerial) in ...
1
vote
1answer
6k views

Computing Shortest Distance using Google Map v3 and Openlayers

How to compute shortest route between two points in google map that user selects and provide all routes from source to destination in Transport system?
4
votes
2answers
1k views

Beginner needs suggestions on map clicks and geojson

I'm a beginner with programming, and javascript. I went to the FOSS4G-NA conference and was very inspired to learn more. I'm trying to learn PostGIS, and have come across a very useful tutorial for ...
3
votes
1answer
153 views

Can I customize a Google Maps layer in terms of content?

I don't want all features that come with the Google street layer. I just want basic infrastructure like roads, national parks, cities, streets with their names, etc. Everything that is public is OK. I ...
1
vote
1answer
444 views

Markers not displayed in xhtml in OpenLayers

I just started working with OpenLayers because I want to include a map on my JSF page (.xhtml files). I want to use the same feature that is demonstrated in this example: ...
1
vote
2answers
510 views

Re-initializing OpenLayers Map with different projection

Is it possible to re-initialize OpenLayers Map with a different projection ? Scenario: OL Map with projection 4326 is created, along with click, measurement, drawing handlers. A button to switch to ...
2
votes
2answers
1k views

Highlight the WFS Layer on mouseover

I've set up a WFS layer in openlayer: var v1497_shp = new OpenLayers.Layer.Vector("v1497_shp", { strategies: [new OpenLayers.Strategy.BBOX(), saveStrategy], //projection: new ...
2
votes
1answer
1k views

Why doesn't OpenLayers zoom?

I've got a little problem with OpenLayers. I've a simple function which sets the center of the map to the position of the user - this works fine. But: it should also zoom - which, for an unknown ...
4
votes
1answer
4k views

Showing menu based on right click on Point Geometry in Javascript

I have implemented a vector layer(using javascript) in open layers which is having point geometry. Now my requirement is to show menu just besides with the point whenever we do right-click on ...
5
votes
3answers
3k views

Different level of detail(layers) on different zoom level at OpenLayers map

I want display different detail(layers) on different zoom level on OpenLayers map. I mean when zoom in should display lot of layers and when zoom out those unsuitable layers should hide automatically. ...
3
votes
4answers
4k views

How to do geo coding with openlayers?

How can I achieve Geocoding with the JavaScript OpenLayers API, in the same fashion as the Google Maps API?
1
vote
2answers
930 views

How to add pictures to OpenLayers map using GeoServer?

I have web map showing land parcel and buildings.I am using GeoServer WMS and OpenLayers. My buildings are showing as point on map.Then I want to add some images to those points to show when ...
2
votes
1answer
1k views

OpenLayers popup - random losing click event, have to refresh page

I have a OpenLayers, Mapfish, GeoServer map on a webpage. I am using OpenLayers.Popup and getFeaturesInfo to get the attributes from GeoServer (2.1.3). I have several wms layers with markers and ...
1
vote
1answer
2k views

Measuring on OpenLayers map

These days, I am trying to develop web map using openlayers. I copy source code from here Then I changed code to display my data.B ut it does not work, even map is also not showing. In chrome shows ...
1
vote
2answers
2k views

How to get vector feature information (distance and extent ) on OpenLayers

I have basic WMS layer and vector layer in openlayers. Using EditingToolbar i can draw some features as shown below Then I want to get some information (like distance and extent) of drawn features ...
1
vote
1answer
3k views

How to display pop up image when click point in open layer web map

I have basic WMS web map showing parcels and points layer which representing buildings of parcel.Then I want to add building images for each and every point. Then when a user clicks on a point image ...
2
votes
1answer
3k views

Trying to set the OpenLayers MouseOver position to be outside the Map

This is my code and I am trying to obtain the MouseOver to be displayed outside the Map container. <!DOCTYPE html> <html> <head> <title>My Map</title> ...
1
vote
1answer
186 views

Click Handler not working on OpenLayers Map in Ubuntu

This is really strange as the problem seems to be persisting on the Ubuntu OS itself. I have created a WMS and it works fine on Mac and Windows, but not on Ubuntu. I have a simple WMS which is ...
2
votes
1answer
188 views

Any source code for converting an infix filter to a WFS filter?

A WFS GetFeature query looks something like this: ...
2
votes
3answers
1k views

Openlayers: Copy shape layer in a vector layer

I have a web-gis application based on openlayers and geoserver. I need to modify a shape layer. I'm able to show the shape using the OpenLayers.Layer.WMS method. In fact i published the shape in ...
2
votes
1answer
448 views

How to add more than one xml file per layer

I'm using this code to add xml (osm relations) files to my map. osm_layer = new OpenLayers.Layer.GML("Polygon", relation.xml, { format: OpenLayers.Format.OSM, style: {strokeColor: "blue"}, ...
2
votes
4answers
1k views

creating 2 dragable layers at the same time in OpenLayers?

I have been been working with this for a while now. Whenever you add 2 seperate draggable layers, openlayers will only activate the last one added. I wish it could be as simple as the code below. But ...