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

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53 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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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
35 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 ...
2
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1answer
111 views

Loading Simple ESRI html JavaScript in Internet Explorer 11?

Is there any particular reason this Simple ESRI html javascript wont load in IE11? Chrome works fine <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" ...
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29 views

Configurable map viewer (CMV) - Help dialog

I have the help widget set to open on start. I was wondering if there was a way to have the help widget display one tab on start and another when the help button is clicked?
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1answer
142 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 ...
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1answer
43 views

Best Map API for route polygon calculations

We are building a web app. I need to obtain the area reachable from specific points by driving or by walking in order to obtain the polygon (eg., 5 minutes walking polygon from a specific point), so ...
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1answer
48 views

Running ArcGIS API for JavaScript locally?

I'm pretty new to arcgis javascript api, and I'm wondering how to run it locally. I have downloaded the api, and put the folder "arcgis_js_api" in the root folder of my apachi server, and edited the ...
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1answer
16 views

custom button in OpenLayers

I am trying to use a custom button in Openlayers but is does not work. what am i doing wrong? var custom_button = new Openlayers.Control.Button({ displayClass: 'olControlCustomButton', ...
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0answers
25 views

CartoDB - infowindow / templates - multiple languages

Is it possible to configure CartoDB infowindow and templates in different languages via visualization panel? For instance, I am thinking to define in client js viewer some language templates, detect ...
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1answer
68 views

CartoDB - panel info instead of infowindow

I am using CartoDB API to develop a map viewer and I would like to get the information from featureClick into a content panel instead of the typical infowindow. Is there any method to do it directly? ...
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0answers
65 views

How to change cursor to pointer mode while Dragging & Dropping in OpenLayers 3?

How to edit the cursor to pointer mode while using the ol.interaction.DragAndDrop in OpenLayers 3?
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2answers
46 views

How to show which layers are currently visible

I feel like this is a rather easy one, I just cant get it to work... Basically, I want to show which layers are visible from a dynamic layer. I see all the objects being returned in the console with ...
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19 views

leaflet filelayer.js change click event

First off, I am no Javascript expert. Second, I have a feeling this is nice and simple for someone with skills. I am building a map and incorporating the leafletfilelayer plugin. The plugin works ...
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0answers
67 views

Problem hosting web map template in local web server

This is the Webmap I have prepared in ArcGIS online. http://www.arcgis.com/apps/Viewer/index.html?appid=c72a0fc5e554462daec7df89bcc3adf4 I have downloaded a sample template from ...
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2answers
46 views

Use try, catch when querytask times out using JS API

When I do a querytask and the date range criteria used is too vast, I get a 500 internal server error after 1.7 minutes every time (unless the query takes less than 1.7 minutes, then it runs fine). Is ...
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1answer
182 views

Stop OpenLayers 3 map firing click event after dragging

I have an OpenLayers 3 map with a source of ol.source.MapQuest({ layer: 'osm' }). I haven't added a DragPan interaction, but the map is draggable anyway - which I want it to be. I also have a click ...
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1answer
29 views

Hash of Feature Layer Graphics

On a web application I'm currently working on, some of the data for the GIS Service is bad. For instance, there may be multiple polygons that should be a singular graphic, but instead they are each ...
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1answer
83 views

Displaying more than one layer from GeoServer using OpenLayers?

How can I add additional data layers to this code? I tried using "map = new OpenLayers.Map('map', options);" again and set up a tiled layer for buildings exactly as it has been done for roads but not ...
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54 views

Connection to Shapefiles and PostGIS

I have this HTML (see below) code, I want to connect to PostGIS to the Shapefiles I have loaded, but I can't find where and how to accomplish that. I want my map to display this Shapefiles when the ...
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1answer
50 views

Does an event get fired after a Layer has finished rendering in Openlayers 3?

I am rendering about 27000 Markers in different layers on a mapview. Everything works fine on fast devices. I have a problem on older devices (like the iPad3). When i hide one layer and set another ...
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1answer
40 views

How to toggle selected features by clicking on them in OpenLayers?

This is my website for test: http://www.cv.nctu.edu.tw/shapefile-js-openlayers/ol_simple.html This is my expected result:http://www.cv.nctu.edu.tw/shapefile-js-openlayers/test.html I want to try ...
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1answer
51 views

OpenLayers map with Nominatim lookup function not working

I am trying to create a simple map with a search function, my minimal example is here: http://jsfiddle.net/TimLucas/vbaupe30/4/ For some reason the coords transformation after the script has received ...
2
votes
1answer
97 views

Why my Shapefile is not loaded into OpenLayers?

This is my website for test: http://www.cv.nctu.edu.tw/tonywang/shapefile-js-openlayers/ol_simple.html I want to put my Shapefile in OpenLayers. I found an example at ...
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1answer
49 views

Define a circle extent using the circle tool - arcgis javascript api

I have the following script for drawing a circle and I want to limit the user to a predefined radius: $('#circle').click(function () { clearPreviousSearch(); ...
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54 views

Limit Nominatim results tp specific country

I want to limit the search in Nominatim to a specific country and was trying this code: mapPanel = new GeoExt.MapPanel({ border: true, region: "center", map: map, zoom: 7, ...
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1answer
59 views

How to obtain elevation value from given SRTM data on mouse click in web browser?

I need JavaScript code for obtaining elevation data from SRTM tiff image. I have used Google APIs, but I need for downloaded SRTM tiff image. (SRTM file is being loaded on a base layer, and both ...
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0answers
32 views

Prevent rendering of a layer until time definition is applied

I want to add layers to a map, with some criteria. Before the layer is drawn, I want to a set a time definition on the client-side to limit the data being rendered. I've tried setting the time ...
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1answer
82 views

Programatically add feature to Feature Layer with ArcGIS JavaScript API

I've so far been able to add a feature layer from an ArcGIS server, and I've also been able to add an editor widget which allows me to draw to feature with the mouse. The added features are being ...
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2answers
39 views

Including js file in openlayer.js file

I have this code for showing markers on map: function addUserLayerCSV(){ layer1 = new OpenLayers.Layer.Vector("CSV", { projection: epsg6316, strategies: [new ...
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0answers
132 views

Waiting on AJAX result in main JS function

So .... my main init()Javascript function has these 3 lines: sarea = GetArea(Uname,UIDfield,Table, document.getElementById("Source").value); darea = GetArea(Uname,UIDfield,Table, ...
2
votes
1answer
61 views

Control to select data source on Leaflet map

I am building a map using leaflet. My data source looks something like this: var districts = {"type": "FeatureCollection", "features": [ {"type":"Feature", "geometry": ...
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2answers
214 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: ...
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1answer
225 views

Adding drop-down menu on leaflet map instead of L.control

I have created a choropleth map including several layers from the same geojson layer which is turkeyData in my case.I actually did it and it works fine. But I like to change the standart leaflet ...
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1answer
30 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). ...
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0answers
179 views

How to add WMS Layer from Mapserver( localhost) on Cesium Globe?

I am trying to add WMS layer from mapserver i.e. from localhost on Cesium Globe with the following HTML code. But I am not able to load or connect Cesium with the Mapserver and nothing is displayed on ...
3
votes
2answers
178 views

Setdrawingmode(null) giving Uncaught RangeError: Maximum call stack size exceeded main.js.27

I have my google map codes running for time where I can draw polygon and polyline without issue. Below are my snippet of codes on how I do my drawing. Unfortunately I got this error Uncaught ...
1
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1answer
54 views

CartoDB SQL and returning values

Right I've got this JS function function AreaCompare(sql, UIDfield, Geogname, Table, sourceName, sourceID, destName, destID){ CompareObj = {}; CompareObj.sName = sourceName; ...
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votes
1answer
32 views

Automatically select the default feature in TemplatePicker ARCGIS Javascript

I am using this example to implement the editing on my map. Editing Without Widget ARCGIS Javascript The code employs a templatepicker which uses the layers on the map to show the features which can ...
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0answers
29 views

Get latlong at a distance on a path

I have 2 decimal point in lat/lon. I want to divide the line drawn by lat/lon into parts each at a specified distance, lets say 'x' -- all except the last segment will be of length x -- and I need the ...
0
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1answer
97 views

Configurable map viewer (CMV) - Find the area of drawn polygon

I am trying to get the area of a polygon and divide that by 16.94 ft^2. I have plugged in a Template I found. I am missing something. I am trying to get the template and my original code to talk. ...
0
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1answer
127 views

insert update delete wfs layer to gesoerver on openlayers3

i am using geoserver 2.5.2 and openlayers3 i can show geojson wfs data from geoserver with geojson and edit with interactions on map (function () { showData= function () { var format = ...
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1answer
137 views

Problem with Cesiumjs sand castle live editor

I have saved a html file from Cesium SandCastle live editor, but I am not able to run that file on a web browser afterwards, even after loading all the JavaScript files correctly. How to make it run ...
1
vote
1answer
68 views

set definition expression based on slider values

Using the Esri JavaScript API I want to control the set.DefinitionExpression values based on a user controlled range slider. The data is loaded from REST as ondemand using: var POP_Total = new ...
0
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1answer
124 views

Setting properties of geoJSON in OpenLayers

I have a map with layers that have similar attributes. I want to add a function that when you select a feature in a layer, it searches for a feature with similar properties in another feature (in this ...
0
votes
2answers
131 views

Open Layers Label styling (font size)

I have a polygon dataset that I am symbolizing in OpenLayers using a context to determine the correct color, and also a label for each polygon that I want to alter depending on the zoom level. But ...
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0answers
40 views

Custom tile area in OpenLayers for every zoom level with a custom tile resolution

For an extend min_x, min_y, max_x, max_y in EPSG:3857 somewhere on the map (eg. france) I have an image cut into n x m tiles and requestable under an URL: http://localhost/map/{x}/{y}.jpeg How do I ...
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0answers
71 views

API for Java and JavaScript app integration

Are there any APIs to make calls or integrate JavaScript functions to a Java written application? I have come across Rhino's liveconnect.js, but this is uncharted territory for me, and would like a ...
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1answer
144 views

Finding the closest facility in a feature layer from a webmap

I have created a webmap on which a feature layer is displayed and I'm trying to find the closest facility when the user clicks on the map. Based on Find closest facilities in the Javascript API ...
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0answers
39 views

Any way to make leaflet.draw polyline finite (i.e. max) distance?

Does anyone have an idea of how I could force a maximum distance when creating a polyline with leaflet.draw? In other words, I would like for the user to only be able to draw a line UP TO 1000 miles. ...