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

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javascript/jQuery getJSON very slow with a inner loop

asked here too http://stackoverflow.com/q/25024466/528884 I'm using OpenLayers to render DOM for layerswitcher, with about 1200 divs. The problem can be simplified as follows. This is very fast (3 ...
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1answer
125 views

How can I merge two lines to one via OpenLayers?

I have a tool on the map that lets the user draw a line. Now I want to give the user the option to split the line to multiple lines, to join them back together to one line later. How can I do that ?
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2answers
17 views

Baselayer disappears when I draw a layer

I have 3 layers, the base layer and two wms layers. When I load the map, one of them always shows up even when I put visibility:false. And when it shows up, the base layer disappears. What can I do? ...
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1answer
11 views

OpenLayers: draw path with only two points

I want to draw a path with no more then 2 points. On the second point I want the path to be finished. I'm using the OpenLayers DrawFeature, I set a callbacks for "point" where I count the created ...
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1answer
23 views

Draw Complex shapes

Is it possible to draw complex shapes (polygons) like below image, combining lines and arcs. It is more like a Land Survey plan. So I have coordinates of each point and in case of arc - Radius, Chord, ...
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2answers
91 views

How to specify layer from which layer to query getWMSInfo when click feature on map (getWMSInfo with multiple layers)

i'm using getWMSFeatureInfo with multiple point layers. When i click on a point on map, how to specify point clicked belong to which layer??
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1answer
36 views

Use Ushahidi api in another map using openlayers

I have a ushahidi deployment and i am using Openlayers + ushahidi api to show the reports in a separate map along with other features. i have queried the data from ushahidi api and made a vector ...
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1answer
17 views

Populate geoext2 gridpanel from openlayer vector features

I need to populate a extjs datagrid with a openlayers features. The official example http://geoext.github.io/geoext2/examples/grid/feature-grid.html doesn't help me, beacuse the data is loaded from a ...
2
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1answer
1k views

GeoServer GetCapabilities Not Working

I am trying to learn how to use the OpenGeo suite by following the tutorials on the site. The one I'm currently trying to follow is http://workshops.opengeo.org/geoext/stores/capabilities.html. Most ...
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1answer
269 views

OpenLayers removing/adding marker (airplane): update the orientation based on lat/long (next point in database)

The code below I have is working great. I'll try to explain it in a few lines (btw you can view it here http://codeshare.io/9Z1BE): -there's a marker on the map. The lat long is returned as json from ...
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1answer
347 views

openlayers search on feature

map = new OpenLayers.Map('map', options); var tiled = new OpenLayers.Layer.WMS( "Kaski", "http://192.168.1.236:8080/geoserver/Kaski/wms", ...
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1answer
175 views

WFS-T demo with local Geoserver not responding

i have installed the geoserver in my local system and i tried to run the example code from openlayers the code as below <!DOCTYPE html> <html> <head> <meta ...
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2answers
349 views

Select features of layer which is not on top in OpenLayers

I have posted this question before on the general StackOverflow forum: http://stackoverflow.com/questions/16278569/select-features-of-layer-which-is-not-on-top In short my problem is that I have a ...
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1answer
153 views

problem with popup conclusion on pressing a marker

I have markers on pressing to which popup has to be brought. how to make it? (coordinates of markers undertake from a DB) var map; var markers; function ejecutar() { init(3); ...
3
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1answer
651 views

Limit Zoom on WMTS Layer using Openlayers 2.12

I'm implementing a baselayer to be used by a Plone addon (collective.geo.openlayers). My implementation specifically creates a layer and returns it to the addon, which enables many different layers to ...
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1answer
474 views

How can i use snapp point in when i use measurecontrol?

I have problem about measurecontrol . I can use measurecontrol and i can show length to use measure control . But my problem is that .i didnt use in snap because measurecontrol is a control not ...
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1answer
80 views

OpenLayers SVG sprite externalGraphic only works in Firefox

I am trying to set the externalGraphic property of a vector layer's style to an SVG sprite that has various viewboxes to position the icons dynamically by creating different views within my SVG file: ...
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1answer
375 views

WFS in Openlayers

I am new in Openlayers and web services in general, but until now I have managed to create a WMS (published by ArcGis to a server provided by uni) and connect it with Openlayers. Projection etc works ...
2
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1answer
20 views

Print Maps - OpenLayers, GeoServer, GeoExt, MapFish

Can anyone point me towards a clear and unambiguous description of how to install and code a very simple map print function for OpenLayers/GeoServer? I am using GeoServer 2.5.2 and OpenLayers 2.12 on ...
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1answer
9 views

Error XMLHttpRequest cannot load openlayers geocode

I'll make a page for viewing routes with openlayers, postgresql / postgis and pgrouting. The part of the seat is already ok, I'm using OSM data. The image below is to illustrate what I'm doing now: a ...
0
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1answer
261 views

Read GeoJSON with openlayers

I generated a GeoJSON a projected table in EPSG: 4326 domeu postgis SELECT ST_AsGeoJSON(geom) FROM "onibus" I put in the www folder on my server I'm running geoserver locally my pages are also in ...
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2answers
227 views

problem with search (formPanel)

am new to GeoEXT and am trying to do the search with form panel. and i want to search features from 2 postgis table, published in geoserver, this features correspond to the field on the formpanel and ...
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29 views

Vector Layer Causes Movable White Box to Display Outside of Map Viewport

In OpenLayers 2.13.1, odd behavior arises with Vector Layers in my application where a white area appears outside of the map viewport and blocks the visual aspect of my controls. The controls actually ...
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0answers
15 views

Openlayer 3 interaction Select Problem

i have a problem as a short and clear. When i use the snipped code var select = new ol.interaction.Select({ condition: ol.events.condition.mouseMove }); base map's mouse click drag is ...
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25 views

Openlayers edit feature attributes via popup

I need help. I am working on web map with openlayers. I'm not a programmer and I've never used openlayes before, so my knowledge is limited. My map contains WFS protocol and everything in connection ...
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0answers
12 views

Draw linestring programmatically using draw control

I want to draw linestring feature programmatically which can be done from draw control of openlayers which can inherit default behavior of draw control that is modification, selection, undo, redo etc ...
6
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1answer
157 views

Load third-party APIs only when the corresponding map layer is requested?

OpenLayers allows multiple map layers to be hosted on a common platform. If the map application supports a wide variety of maps, say from Google, Yahoo and Microsoft, I find that upon initialization, ...
2
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3answers
33 views

How send Geoserver WMS GetFeatureInfo query to an area

I am using GetFeatureInfo query to WMS service. When I click a WMS object on the map, the response is coming. http://localhost:8080/geoserver/wms? request=GetFeatureInfo &service=WMS ...
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1answer
29 views

Routes Consult with pgrouting / openlayers [closed]

I'm starting with pgrouting. After suffering a bit unable to put the data in osm postgis using osm2po with the excellent tutorial http://anitagraser.com/2011/12/15/an-osm2po-quickstart/ ran the sql ...
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1answer
22 views

Pan/Scale/Navigation Buttons Disappearing

I am working on an OpenLayers 2.10 map using Internet Explorer 8 (used by work), and am encountering some issues with the pan/navigation buttons disappearing after sepcific events: If I change the ...
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195 views

Onclick event with polygons

When I click on any polygon in the openlayer I need to show the respective information in the popup. Right now I am using the below code. eventListeners: { getfeatureinfo: function(event) { ...
4
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2answers
62 views

Features not added to KML Vector Layer in Firefox

Has anyone else had a KML vector layer display perfectly fine in Chrome (v35) and IE10+, but fails to add the features to the layer in Firefox (v30)? I'm using OpenLayers 2.12 and have also tested in ...
4
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2answers
2k views

How to collect data via WFS and Popup

I have a map with a WFS-Layer and I am able to add Polygons to my data stored in a PostGIS-database, served with Geoserver (Openlayers, Geoserver 2.1.4, PostGIS 2.0 for PostgreSQL 9.1).) How can I ...
2
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1answer
288 views

openlayers - export map to canvas problem

I am trying to make a export control to export the map as image file. I found this example: http://dev.openlayers.org/sandbox/camptocamp/canvas/openlayers/examples/exportMapCanvas.html so i added the ...
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0answers
32 views

problem in accessing wfs layer

I am running openlayers app on tomcat on localhost:8080 in windows plateform and trying to access wfs layer from server system 103.8.40.126:8585/ but i am facing problem, wfs layer is not accessible ...
0
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1answer
236 views

how to display the coordinates of a openlayers map with a jquery in my asp.net textbox?

this is my initmap.js OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, { defaultHandlerOptions: { }, initialize: function (options) { this.handlerOptions = ...
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0answers
33 views

Error when adding WMS layer in OpenLayers from a geoserver

I try to add wms layer from geoserver: var layer = new OpenLayers.Layer.WMS(name, 'http://'+ self.objSettings.ip + ':' + self.objSettings.port + self.objSettings.wms, { srs: 'EPGS:4326', ...
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1answer
105 views

Error in displaying wfs layer from mapserver/postgis

I have read and tested all the relative posts but I still don't have a solution for my problem. I have a layer suscribers (points) stored in postgis database with srid=32232. I would like to display ...
0
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1answer
82 views

JS/browser API library to show/interact with many markers with the best performance?

What's the best Javascript library that can show about 50000 (and more) clickable markers without resorting to things like clustering markers,etc? The markers are clickable and I want to associate ...
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1answer
63 views

Cannot add layer Openlayers 3

I have been trying for a couple of days to perform three very simple tasks combining Geoserver, Opencycle maps base map and open layers 3. I am following the pg_routing workshop as I am using a ...
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0answers
53 views

How to proxy GeoServer through Tomcat in Windows? [closed]

I have GeoServer 2.4.4 and eclipse running on Apache Tomcat 7.0.39. My websites and GeoServer are on same host but different ports. I want to access a WFS layer remotely from GeoServer but i know i ...
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0answers
17 views

Remove last line segment of an OpenLayers.Control.Measure

i'm using OpenLayers library, i'm trying to delete the last line segment of a drawing realized with the following code: layerLine = new OpenLayers.Layer.Vector("layerLine"); layerLine.id = ...
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2answers
133 views

I need to configure geoserver proxyHost even standing on my local machine?

I'm with geoserver on my local machine running on port 8080 on jetty which is standard in windows installer. I want to use my GetFeatureInfo WMS layers, but I have the following questions: I need ...
0
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1answer
705 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 ...
2
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3answers
181 views

How to change 0,360 WKT string to -180,180?

I'm reading POLYGON WKT strings using OpenLayers.Format.WKT().read(). The polygons use 0,360 longitudes but my map is -180,180. When I display the polygons on the map they are displayed outside of the ...
0
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1answer
122 views

How to drag label using DragFeature or ModifyFeature?

I am new to openlayer. I have seen the examples in which DragFeature is able to move my points, polygon and lines. But when it comes to test the Label moving in IE8, then the dragging functionality ...
2
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0answers
16 views

Extract a polyline f rom a geoserver shapefile

I've been Googling my question for 3-4 hours now but I couldn't come up with an answer. So I have a GeoServer which contains a shape file with some roads on it. Is it possible to programmatically ...
0
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0answers
10 views

read feature of a region in map

I am using geoserver and openlayer for developing a GIS application. Is it possible to read features lying within a known polygon area of map through some looping logic without any click on map? I ...
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0answers
8 views

How to display specific areas specified by Global MapIt Area ID in Open Street Map using Open Layers?

I've been customizing the Fix My Street platform for the two cities in my country, just to test everything out in it and how it works and maybe implement it for the whole country in the future. The ...
1
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1answer
45 views

How to render tiles from kml file

I'm trying to render tiles out of a KML file. Normally, I'd render tiles out of an planet.osm extract. For example, I'd select a tag using osmosis and then process it with osm2pgsql. Then I'd ...