JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.

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1answer
9 views

toggle visibility of a Layer in Openlayers 3(!) with a Checkbox

I have some vector layers on top of a tiled layer and a checkbox for each vector layer. I want a layer to be visible if it's checkbox is checked and vanish if it gets unchecked. I tried to call a ...
0
votes
1answer
1k 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 ...
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1answer
150 views

Geocortex Viewer: Running a Workflow with Arguments

I have a webpage with the Silverlight Geocortex Viewer embedded in it. Through the browser's developer console, I can run commands through it such as ...
1
vote
2answers
23 views

Add a legend in an ArcGIS Javascript API

I am quite new to Javascript. I have made a html script that includes services I published to ArcGIS for server. It all does exactly what I want and I made it by copying working scripts together and ...
1
vote
1answer
12 views

Can I style a feature point based on its id?

I wonder if its possible to style a feature point which belongs to an Open Layers vector layer with points by using its id. For example I have in this layer 3 points with ids: a,b and c. Right now ...
2
votes
1answer
358 views

How to get data from TileMill tileLayer properties in Mapbox for click/hover

I've successfully used Leaflet to load a geoJSON polygon-shapefile with data, and added click and hover interactivity to the layer. For a large dataset, I switched to mapbox.js 1.6.1, used TileMill to ...
0
votes
1answer
24 views

Leaflet: Map focus issue after enabling a custom ZoomToArea control in Firefox

I'm trying to add a Zoom-to-Area control to Leaflet by extending the built in Control.Zoom plugin, but I'm fighting some "map-loses-focus" issue that affects only Firefox. The function works as I ...
2
votes
1answer
23 views

Ol3 displaying a vector layer

I have GeoJson that happily displays on GeoJson.IO that I am trying to display on a Vector Layer on an Open Layers 3 Map. The GeoJSON is in EPSG:4326, the Map is in EPSG:3857. My Code is: view = ...
4
votes
1answer
119 views

Convert from WGS84 to Google Mercator

I want to convert longitude and latitude coordinates from WSG84 to Google Mercator. The following code-samples show my coordinates in a KML/KMZ file and where I need the coordinates in the javascript ...
0
votes
0answers
20 views

Getting OpenLayers degrees rotation to point right way?

I am working on a fairly simply proof of concept for a tutorial to blog. At the moment it is simply to show how a SatNAV type functionality could be achieved in a browser - However I cannot for the ...
1
vote
0answers
26 views

ESRI JavaScript API Web Application and SQL Queries in ASP.NET?

My workflow (and security restrictions) for a new html/javascript based web application is making me think that I could program an ASP.NET application, inside which I load the 'map' and the 'legends' ...
3
votes
3answers
125 views

Make InfoTemplate moveable but still highlight attributes

I’m using the esri/InfoTemplate in the Javascript API to identify features. However, it gets anchored to the mouse click and cannot be moved around. Based on this answer I used dojo/dnd/Moveable to ...
3
votes
1answer
99 views

Show an ArcGIS InfoWindow on Map Init

I have created a map with a simple marker at a specified location but I cannot figure out how to have an infowindow attached to the position open automatically on page load. This is my init function: ...
1
vote
2answers
925 views

Capturing/overriding mousewheel zoom in openlayers

So I've created a map in openlayers and I am setting it up so that there are only certain zoom levels a user can see. I have the code created to handle forcing a user to the next acceptable zoom ...
0
votes
0answers
14 views

Custom routes and nodes for Leaflet

This is probably far-fetched to ask but let's say you have a custom map using Leaflet. For me, my map is over here. As you can see, it's a neatly-designed yet clear map that is 30,000 pixels wide. ...
1
vote
1answer
227 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); ...
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0answers
33 views

ArcGIS JavaScript API JSONP request

I am trying to add featues to esri.layers.FeatureLayer from response of JSONP request with esri.request. Interestingly I have right response and all features are perfectly shown on the map,BUT I get ...
5
votes
2answers
1k views

Moveable ArcGIS Identify Popup Window (Dojo)

I'm trying to get a popup window that identifies a location to be moveable. My code is similar to the API example: var popupOptions = { fillSymbol: new ...
0
votes
0answers
16 views

Extend/change Leaflet Marker class to put DivIcon markers in another map pane

Leaflet uses different panes for different content. Markers are in the markerPane div and Popups are in the popupPane. I find the DivIcon class a lot easier to use than the custom layer because of ...
0
votes
0answers
12 views

Inserting JSON Data into table for GeoServer? [on hold]

I'm very frustrated trying to fix the following code. I'm new in this and I'd like a little help here: First, I have the following code and It works perfectly: I received a JSON Data from Geoserver ...
0
votes
1answer
15 views

Openlayers Vector Layer Features are empty even after DrawFeature executed

I am new to Openlayers and Javascript. I am creating a web map that will allow users to draw shapes on top of a base map. I'm trying to figure out how to access the coordinates of the shapes that are ...
0
votes
3answers
70 views

Leaflet is behaving unexpectedly when trying to load more than one layer

I had a hard time trying to create a good title for my issue since it is a little hard to explain. But I will do my best. Basically what I'm trying to create a web map to show three distinct layers, ...
0
votes
1answer
31 views

What would cause Dojo in later versions of ArcGIS Javascript (v3.12) from working in Internet Explorer?

On my testing machine I experience no problems with using http://developers.arcgis.com/javascript/samples/featuretable/ but if I run the same example on my client's machine I get "'require' is ...
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votes
0answers
7 views

Narrow viewport => not showing map in browser?

I have a webapplication using the arcgis javascript API and it works great. Unfortunately I ran into a small peculiarity: If the viewport for the map is smaller than 930 pixels it refuses to load my ...
0
votes
1answer
43 views

gxp_googlegeocoder add to default geoexplorer viewer

I have an opengeo 4.1 running on my webserver (windows). I use the default geoexplorer viewer to share my maps and I am very happy with all the default functions, however I would like to add the ...
0
votes
1answer
11 views

OpenLayers 3 custom control doesn't get the map object

I've been playing around with extending controls in OpenLayers 3. I've built a control which grabs a legend image from a mapserver with a GetLegendGraphics request. However, when I add the control to ...
0
votes
1answer
21 views

OpenLayers measure map rendering time

I am using OpenLayers version 3 (answers with ver 2 are also OK) and want to measure how long it takes to render the vector layer. So, I have a vector layer with features: var vectorLayer = new ...
0
votes
1answer
110 views

OpenLayers Drag&Drop a pin to select position?

Is there an OpenLayers example that allows the user to set a position with drag&drop. I would like to have a pin and set the position after the user drags & drops the pin to a new position.
2
votes
1answer
41 views

How to project a GeoJSON on the fly in OpenLayers 3?

I have been trying to load a GeoJSON without success. I have a map with a background layer from OSM. I have some data in 4326 I want to overlay on that map. I do not want to transform coordinates one ...
0
votes
2answers
14 views

How to get Scale Bar, WebMap with GeoExt

I tried to make a WebMap with GeoExt and everything is working, but I don't see a scalebar. var mapPanel, tree; Ext.application({ name: 'test', launch: function() { ...
1
vote
1answer
28 views

Assign points with varying radii to central meeting locations

I have a set of points in a city, each with a maximum distance radius of 0.5 - 1.5 miles. From this set of points, I'd like to create a small number of 'meeting points', i.e. locations that are ...
0
votes
0answers
13 views

How do I modify the WebAppBuilder "LayerList' widget to use radio buttons instead of checkboxes?

I've downloaded the developer version of the Web app builder and installed in on my machine. I can open up the widget '\LayerList\LayerListView.js', and I have been exploring the source code. I would ...
0
votes
2answers
85 views

OL3 check if point is inside a polygon

When I am adding a point to my web map I want to give it a latter that represent the area where the point is, so I need to know in what area is the point. In OpenLayers 2 I did it like this: ...
0
votes
1answer
28 views

How check if a point is inside a map

I have a map and one point. I want create an area and check if a point is inside the area. map = new OpenLayers.Map("map"); map.addLayer(new OpenLayers.Layer.OSM()); var lonLat = new ...
1
vote
1answer
27 views

Function to intersect another polygon using openlayers

I wonder if someone here have a function JS that when I draw a polygon I can see if i drawing on another polygon, like intersect.... if polygon intersect say to me a alert...using openlayers. Thanks! ...
2
votes
1answer
749 views

Is ArcGIS API for JavaScript compatible with Internet Explorer 7 and 8?

I've developed a web map using ArcGIS API for JavaScrip version 3.8 and its not compatible with IE 7 or 8. I've advised the people who have reported this to update their version of IE but, if it ...
3
votes
2answers
153 views

How to determine number of features in GeoJSON file using Python or JavaScript?

Is there a best way to determine the number of features in a GeoJSON file? Ideally using Python or JavaScript.
1
vote
1answer
108 views

Why do I have to reload the page, to show the Map correctly?

I added a map, in the way I'm supposed to, but why do I have to reload/refresh the page, to get the map (almost) as I want to? This is, what I mean: Map before reloading the page: Map after ...
1
vote
1answer
24 views

Disconnected Satellite map tiles usable with OpenLayers or other javascript api

I'm looking for satellite map, usable with OpenLayer (or with an other js api), with a good scale (at least 100m, MapQuest stops at 1000m) and avaible for a disconnected mode (avaible for download). ...
0
votes
1answer
497 views

ArcGIS map service layer not loading properly

I'm at a total loss. My initial problem was an issue with the layer not loading at all when the page was set to the full extent, despite having changed the Min/Max Scale settings generously when ...
1
vote
0answers
16 views

Disabling TextSymbol Scaling on Zoom in/out (ESRI JavaScript API)

I am looking for a way to disable text scaling when a user zooms in/out on a map with a TextSymbol on it. It this possible?
0
votes
0answers
8 views

Rotated custom tile set in OpenLayers

I'm thinking of using Openlayers for an interactive map of a building. I'll have custom tile layers for each floor of the building's interior overlaying regular world map tiles. The building is on a ...
1
vote
1answer
26 views

Google Hybrid Map tiles won't load in OpenLayers when centered on certain position

Since the Google Maps API update to V3.2 (17 Feb 2015) our maps have not been loading to their initial state, centered over the Gulf of Mexico. When the center location is: center: new ...
1
vote
1answer
17 views

A problem with event firing upon mouseout

I'm trying to create a point map that displays information about a point in an info box upon user mouseover and changes the styling of the point. On mouseout, I want the info box and marker styling to ...
1
vote
1answer
27 views

ESRI Javascript API pan parameters

Using the ESRI javasript API, is there a way to set the distance the map will move when panning? When I fire the map.panUp(), for example, it pans, but about twice as far as I would like it to.
1
vote
0answers
17 views

JavaScript _.each function not showing correctly [closed]

Can't seem to get this to display the correct way. The correct way would be Day/open/hours. geojson displayed below: hours: { monday: { close: "18:00:00", open: "10:00:00", call: ...
1
vote
1answer
90 views

Arcgis Javascript API Editor Widget gives a different result when loading through AMD

Currently i'm working on a Arcgis based drawing tool. What we've done so far is create a system where we can easily create local feauture layers and edit those with the standard Editor Widget. Drawing ...
6
votes
1answer
432 views

Why do ArcGIS Desktop 10 HTML popups give JavaScript/HTML Error?

Using ArcMap 10 Desktop HTML Popups. The issue I am having is that the html < select > elements aren't working - you can select it and use the arrow keys to navigate through(up/down) the list but ...
1
vote
1answer
76 views

Add GeoJSON layer to OpenLayers 3

I have a GeoJSON file called mygeojson.json and I want to add it as a layer in OpenLayers 3 on top of an openstreetmap layer. So far I could display the openstreetmap world including zoom etc. but for ...
1
vote
1answer
45 views

why are all polygons of geojson-layer in OpenLayers 3 black?

I want to color each polygon of my geojson according to its Hex-Value at "DN". I tried this: var map = new ol.Map({ target: 'map', layers: [ new ol.layer.Tile({ source: ...