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

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26 views

Batch filtering of fusiontable data

I am designing a web page where users (up to 20 at a time) will interactively filter through a large number of overlays (20 overlays, each with 1k-3k items in them, including markers, lines, and ...
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2answers
49 views

Checkbox becomes unchecked when map pans

I have a table of contents that is used to toggle visibility of layers. I also have a dialog box that populates with the visible layers so that the user can pick from the visible layers what layer ...
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0answers
49 views

How to convert x,y to longitude, latitude in Cesium?

Actually I have divided a line into 90 parts. I know the longitudes and latitudes of end points, and for rest of the intermediate points I know x and y. I have to find height for those 90 points and ...
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1answer
50 views

allow client to upload Layers to Openlayers 3

I want to allow the clients to add vector layers in form of a geojson to openlayers 3. It should look like in this fiddle . I know how to add multiple layers but I want the client to be able to add a ...
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0answers
76 views

Using OpenLayers example in OpenStreetMap Wiki?

I'm trying to work my way through this wiki page to add OSM into a OpenLayers map I am working on, however I cannot even get the first example to work. I have downloaded OpenLayers V3, copied the ...
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1answer
37 views

Passing Arguments Between Widgets with Mixedin Templates - CMV Builder

I am attempting to manipulate a custom widget (Table) I built. I first initialize the widget in the viewer.js class and attach it to the 'sidebarBottom' pane in the viewer. Since the 'Find' widget is ...
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1answer
85 views

Open Layers 3 Dynamically Add Layer from folder contents

I am new to Open Layers and have searched far and wide trying to figure out how to programmatically add layers with a default set of parameters from a selected source path, but Google has not produced ...
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0answers
31 views

Google Maps measure time to render markers

I want to measure how much time it takes to render markers on my map. I have a vector layer with data, like this: var vectorLayer = new google.maps.Data({map: map}); // add features to vectorLayer ...
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1answer
51 views

Legend ArcGIS Javascript does not recognize Legend from ArcGIS for server 10.2.2

I have created maps in ArcGIS for desktop and published them to ArcGIS for server 10.2.2. Because of performance issues I have created a group layer of the same map with different levels of details. ...
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1answer
68 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 ...
2
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2answers
82 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 ...
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1answer
32 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
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1answer
101 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 = ...
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1answer
192 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 ...
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0answers
56 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 ...
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0answers
71 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' ...
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0answers
25 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. ...
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0answers
86 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 ...
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0answers
56 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 ...
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1answer
38 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 ...
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1answer
51 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 ...
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0answers
15 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 ...
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1answer
80 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 ...
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1answer
57 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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1answer
43 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 ...
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0answers
39 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 ...
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1answer
95 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 ...
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1answer
39 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 ...
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1answer
40 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! ...
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3answers
94 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, ...
1
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1answer
31 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 ...
1
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0answers
20 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?
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1answer
46 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 ...
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0answers
25 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
33 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
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1answer
66 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: ...
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2answers
25 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() { ...
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1answer
13 views

Fetch the selected value from scale toolbar

can somebody guide me how to fetch that value shown in the image? using jquery and or PHP language?
0
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1answer
81 views

Which map API to draw polygon and export my data that is within boundary?

I have 5 point datasets that I want to display and be able to filter by fields. I will then be able to hand draw a polygon and export Excel of the data from each dataset within the polygon. Which web ...
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1answer
42 views

ArcGIS JS api - how to hide attributes editor when new graphic is added

I use ArcGIS Javascript api in 3.12 version. I have followed this sample in order to display editing toolbar plus template picker. It works pretty good. However I would like to hide popup window with ...
1
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1answer
308 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 ...
2
votes
1answer
65 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 ...
1
vote
1answer
26 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 ...
0
votes
1answer
40 views

Download zip from geoserver using javascript

How can i download zip file, made by geoserver WFS request, implemented in javascript? i'm using OpenLayers.Request.POST to send request.
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votes
2answers
37 views

CartoDB, Torque map sending events to JS when a market is rendered

I have a Torque map like this one and at the same time the bubbles are showing up I would like to render a growing graph with the number of bubbles accumulated. I don't expect CartoDB to do this for ...
0
votes
0answers
24 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 ...
0
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1answer
762 views

display latitude and longitude on googlemaps on click

iam trying to retrieve latitude and longitude values .when user clicks on the google map latitude and longitude values has to be displayed on the textboxes my code is <%@ Page Language="C#" ...
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0answers
46 views

How to create function that gives google maps getBounds result?

I'm trying to create function that would calculate four bounding coordinates by latLng, zoom level, width and height in pixels, the same like in google maps getBounds function, in goal I won't create ...
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0answers
34 views

Attributes and Zoom

I have loaded shapefiles on OpenGeo Suite template (ol3view), I'd like to create a popup on click for each point to show attributes. I'd also want to highlight a certain part of the map perhaps by ...
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1answer
33 views

How do I catch PostgreSQL/ PostGIS RAISE messages in OpenLayers?

Is it possible to catch Raise Warning, Raise Notice and Raise Exception in OpenLayers while using a WFS-T-Layer (stored in a PostGIS-Database) to save edits? Example: A trigger is used to check values ...