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

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4
votes
0answers
48 views

Describing borehole information with geojson (javascript)

I deal a lot with borehole information and looking the best way to move it around in javascript / take advantage of javascript libraries (e.g. leaflet) for looking at this information on mobile ...
3
votes
0answers
101 views

What is the openlayer.js alternative of unloadinvisibletiles of leaflet.js

I am using open layers with a tile server. I want to load maps while panning and destroy the loaded region when out of screen (Alternative to unloadinvisibletiles of leaflet.js) How am i suppose to ...
3
votes
0answers
498 views

OpenLayers 3 modify end event

I want to save the geometry data after I modify it, so I need an event that fire after I finish to modify the feature. I use the following from this post: listener modify interaction var ...
3
votes
0answers
230 views

Hexagon binning using Google Maps

I have a bunch of geolocated points that I am looking to cluster on a google map using hexagons. These clusters will be stored in a db for quick retrieval and will be reduced to a single point and ...
3
votes
0answers
169 views

Check/uncheck overlays in groupedlayercontrol.js

In a Leaflet-based app I have create several overlays, grouped with leaflet.groupedlayercontrol.js, as shown in this image: Everything works well, but I need to uncheck certain layers, allowing the ...
3
votes
0answers
461 views

How to convert WKT to SVG

I have some Well-known text (WKT) for representing geometry object such as Point, MultiPoint, LineString, Polygon, MultiPolygon etc. I have a multipolygon with in total 40000 Points. I have found ...
3
votes
0answers
699 views

Using Custom Map Projection On Leaflet

I have an application displaying a EPSG:3414 map running on Openlayers - jsfiddle working sample that works. I am trying to implement the same on Leaflet - jsfiddle non-working, it is not working as ...
3
votes
0answers
56 views

simple raster format to use in Web applications?

I'm building a Web application in which users create and edit very coarse raster data. They're assigning values to cells in a georeferenced grid. Right now I'm storing the values in a multidimensional ...
3
votes
0answers
185 views

OpenLayers and external CSS

I am using geoExt and OpenLayers to plot some map. Everything worked well until I had to add some styling. To display it on the webpage, I need to use the CSS of my university and once I do that, I ...
3
votes
0answers
311 views

How do I format tilelayer.wms url properties such that I add an overlay iteratively to my base map in leaflet

My base map was created using hard-coded template variables. I am using the leaflet tilelayer.wms constructor and including the url like so: url: ...
3
votes
0answers
978 views

leaflet - Drawing line following the road

Short version: What I wish to be able to do is drawing a polyline along part of a road. In that way marking certain houses, along this road. Long Version: I have several houses that I wish to mark ...
2
votes
0answers
17 views

Determine if point lies within shape?

What would the best method be for determining whether an address (geocoded to a lat/long point) lies within a given shape in a GIS shapefile. Best case scenario, we are given a boolean result, that we ...
2
votes
0answers
92 views

OpenLayers 3 xyz layer problem

I'm going to host a customized xyz tiled layer so I tested on my local machine to add that layer to OpenLayers Map control. I've already rendered some tiles using generate_tiles.py and Mapnik. I've ...
2
votes
0answers
189 views

open-source code for the map matching algorithm

For map matching of the GPS data to the network data, there is a algorithm from Schussler, N. & Axhausen, K. (2009a). Is this algorithm released under open-source license ? Where can I find this ...
2
votes
0answers
80 views

How to adapt layerswitcher to include listboxs

For my project I needed something that allowed the user to change the application´s layers and the best solution I found was this one layer switcher since openlayers 3 does not support a layerswitcher ...
2
votes
0answers
842 views

Disable doubleclick zooming in Openlayers 3

I've searched for it on the entire web and finally I found on artamstrong.com how to disable a single feature like "mouseWheelZoom". Here is how double click zooming in Openlayers 3 can be disabled: ...
2
votes
0answers
222 views

Comparing mapping APIs

I am planning to write a thesis about mapping APIs and compare three of them (Google Maps API, Leaflet and OpenLayers) or four, if you consider OL2 and OL3 as different APIs. I am planning to make 3 ...
2
votes
0answers
80 views

split polyline at specific distance

I am working on a project that uses sql server for geometry datatype and arcgis server and asp.net website and entity framework for data access and arcgis javascript api for map viewer. I want to ...
2
votes
0answers
113 views

Increase maximum zoom level for a WebTiledLayer in ArcGIS

I am using the WebTiledLayer from the Javascript ArcGIS API to render a custom WMTS source. The WMTS I am using has zoom levels going from 18 to 21, however I cannot zoom in further than what appears ...
2
votes
0answers
152 views

OpenLayers: Switch layer off when switching another layer on

As the title says, I want to turn layers off when turning another layer on. I wrote a function that works. However, I have to click the layer twice in the LayerSwitcher to turn the layer on that I ...
2
votes
0answers
90 views

How to simulate events from Openlayers 2?

I am working on a GIS API that uses OpenLayers. I am testing it using QUnit. The problem is I need to simulate clicks and trigger some events to be able to test the whole code. For example, I have a ...
2
votes
0answers
195 views

Leaflet - Enable/Remove popup on mousedown/mouseup?

I'd like to do as the title suggests and can get the popup to appear on mousedown with the following code, but mouseup doesn't close the popup: // Quick look at info on mouse hold ...
2
votes
0answers
47 views

GeospatialPDF javascript access

Using javascript in GeospatialPDF, is it possible to zoom in to an extent, say when the document is opened the first time ? To what extent can I use javascript to access the geospatial data? pan, ...
2
votes
0answers
510 views

It is possible put highcharts chart in openlayers popup?

As title. I build a openlayers map on my website. and there are many feature vector on the map. now I want to put a highcharts charts in popup. to show the temperature in every city something Like ...
2
votes
0answers
501 views

Leaflet Event Craziness: jQuery click events don't propagate to L.DomEvents

I noticed that calling .click() on jQuery selected DOM elements in Leaflet ( such as anchor icons ) will not do anything -- the click event isn't propagated to the events created with L.DomEvents. For ...
2
votes
0answers
455 views

How to get Google Street View panoramas on the same street as the requested address?

The Google Maps API geocodes an address to a point. I can use that point to find the nearest panorama (street view) image. I can then determine the heading based on the two points and show the ...
2
votes
0answers
498 views

Openlayers and Google Maps Api aren't work on Android Platform

I have application that uses OpenLayers, Google Maps Api and Geoserver My application is running at Web browser and when I try to run at Android tablet (using Phonegap), It runs but openlayers ...
2
votes
0answers
379 views

View attachments in popup when using the editor widget

I am using ArcGIS javascript API to construct an editor app for a layer. I am using the default out of the box editor widget to edit and display data for an app. The layers I am editing contain ...
2
votes
0answers
207 views

Show geoJSON properties in jQuery Mobile Panel

First off I'm a novice at JS so please bear with me if this is a simple task to complete. I'm currently using the stock LeafletJS popup bubble to display the properties from my geoJSON. However, I ...
2
votes
0answers
170 views

get all the possible parameters of sql view

I have a Geoserver layer coming from a postGIS database. Among other attributes, I have one that is related to the date data we've collected, called departuretime. We use this attribute to display a ...
2
votes
0answers
559 views

Are there any examples of WCS getcoverage requests done using ajax?

I am looking through openlayers to try to figure out a consistent format for generating views of coverages that can satisfy any wcs server, but mainly I'd like to get geoserver coverages. While I've ...
2
votes
0answers
1k views

Problem with multipolygon in Leaflet

I'm using Leaflet L.Polygon, but for some reason there's only blank site. Here's my code: var map = L.map('map').setView([37.8, -96], 4); var cloudmade = ...
2
votes
0answers
382 views

How to use javascript in fusion tables to query

I'm having a quite bit of difficulty creating some functions for my fusion tables. I have two tables here: Points Parcels I'm trying to create a number of functions: 1) I want to be able to select ...
2
votes
0answers
67 views

Features disapearing

When I add a polygon feature it shows on the map. When I add another one the first one disappears. The code for adding is below: $.postJSON('@Url.Action("GetLayers")', { "planId": planId }, ...
2
votes
0answers
410 views

Creating a Geodesic Polyline Buffer in OpenLayers

I have a feeling that the answer is going to be 'You can't do that without some very complex coding' but I thought I'd go for it anyway. I recently asked a question on how to create a Polyline Buffer ...
2
votes
0answers
920 views

Dynamic Contour generation and project on google maps

Is it possible to generate contour map layer at runtime and overlap or project on google maps. I am using google map api v3 and want to generate contour map layer using data from sql server and ...
2
votes
0answers
99 views

Running a web application within ArcMap

I'm interested in creating a component / plugin for ArcMap that works something like ArcGIS online. Ideally a small web app would boot up within a window in ArcMap which would be able to perform ...
2
votes
0answers
460 views

GeoPDF Library for .NET or JavaScript

Anyone know of any open source .NET or Javascript libraries for creating GeoPDFs? I know of QuickPDFLibrary, but i'm preferably looking for something open source. I want to programmatically generate ...
1
vote
0answers
20 views

Shared edge between two geojson polygons

I am interested in getting the coordinates of a shared edge (if exists) between two geojson polygons. I am (currently) using turfjs and geojson-equality libraries I tried this but I consider it quite ...
1
vote
0answers
28 views

dynamic legend for tiles in Leaflet

Good day dear professionals! I have a little problem. I started to learn javascript and leaflet not so much time ago, and now I can work with layers, but creating controls that I need is to hard for ...
1
vote
0answers
17 views

Leaflet Markercluster and Timeline in sync

So I have been trying to figure how to use the markercluster and timeline plug in in sync to show a temporal animation of points. As some of the point data overlaps a cluster is needed to be able to ...
1
vote
0answers
35 views

Leaflet Temporal animation of marker clusters

I recently have applied the markercluster leaflet plug-in to my map and I was wondering if something like leaflet.timeline would be compatible with cluster visualization? if not is there any other ...
1
vote
0answers
56 views

way in R or Python to add image/video in map plot marker click popup/infowindow

I have many different (lat,long data) points of world associated with unique place names and corresponding each point specific image or video data. Now I want to create an html file where if user ...
1
vote
0answers
19 views

Leaflet inbuild AJAX methods for WMTS getCapabilities request

I was wondering whether the Leaflet library has inbuilt methods to make AJAX requests. My goal is to create a plugin that makes an XMLHttpRequest request to a specified WMTS resource and parse the XML ...
1
vote
0answers
39 views

How to start the click event when drawing event is completed in openlayers3

I added two features for a map. first handles drawing on map and second one which will show the features in a table. when i am drawing the map the second click event is working. so i stopped the event ...
1
vote
0answers
35 views

How can I access the array of predicted addresses from Google Maps once an address is entered?

The Google Maps JavaScript Autocomplete API mentions that autocomplete returns an array of prediction objects. How can I access this array without autocomplete? I have a standard HTML form with ...
1
vote
0answers
26 views

Telerik ajax RadMap

I am using telerik RadMap with client side binding in the OnInitialize client event. Copied from the examples: function OnInitialize(sender, args) { var originalOptions = args.get_options(); ...
1
vote
0answers
61 views

Opengeo suite 4.6, gxp template, problem in adding print tool

I have checked this question here but it one of the link is missing and it was on suite 3.0 and i have no idea if it will work on suite 4.6.I have installed the print extension in opengeosuite then ...
1
vote
0answers
40 views

Wrapping WTMS image & map extent

I'm using OpenLayers 3 (both v3.4 and v3.5) to display a tiled image from a NASA WMTS server and have a question about using the layer wrapX parameter on a global map. When I set wrapX=true in the ...
1
vote
0answers
67 views

Raster overlay with different projection in Google Maps

I have a map created with Google Maps. I want to overlay over some data I am downloading dynamically, covering the whole world. That data is a matrix as follows: 1024 values for the longitude ...