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

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How to protect the loaded json file name and location using html5 and javascript?

The data of markers (not the map) is stored in a json/csv/js file. We want to show all data as markers on the map. But how to protect the raw data file from public access? Following the example on ...
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59 views

“require” is not defined in GeoServer's community scripting extension (Javascript)

I'm attempting to use GeoServer's Community Scripting Extension for JavaScript. I've installed it according to the instructions, and when I try to reproduce the WPS Hook example, I receive the ...
2
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192 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 ...
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1answer
170 views

Google bathymetry service with OpenLayers Mouse Position

After searching for some days I decided to post this question here, hope someone else can give me some hints about a doubt I have. The thing is that I would like to use the Google Bathymetry Service ...
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1answer
163 views

Load external geojson file into leaflet map

Have studies this thread but not getting desired result. My index.html looks like this: <!DOCTYPE html> <html> <head> <meta charset=utf-8 /> <title>GeoJSON ...
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1answer
167 views

How to add custom basemaps to BasemapGallery

I would like to add my own custom basemaps to the BasemapGallery. Is there any way I can create my own BasemapGallery with only my maps? I am using the ArcGIS API for javascript. EDIT: for clarity I ...
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1answer
59 views

Select / Drag or by rectangle CMV Application

Anyone able to suggest to this noob if there is a way to change the selection option in my CMV application from individual polygons (one at a time) to an option of selecting multiple polygons at once ...
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1answer
61 views

Tips for learning to work with geoserver in Javascript

After succesfully being able to work with the ArcGIS Javascript API in a webpage I want to learn to work with Geoserver. I have downloaded Geoserver and uploaded one shapefile. Now I am trying to call ...
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175 views

Getting pixel coordinates of an image overlay using leaflet map library on click (right click)

I'm trying to get the pixel coordinates of an image overlay on click (right click/contextmenu) using the leaflet map library. Essentially when a user clicks on the image, I need to find the x,y or ...
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211 views

Add cluster marker into google maps fusion table?

I try to add a cluster markers to this code but when I add some var to the code, the maps can't load. Then, when if (is mobile) deleted, it also can't show that maps. Sorry, I'm a newbie, maybe ...
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70 views

Leaflet-image draw legend

I'm using the mapbox leaflet-image plugin to allow users to save images of an app I'm making for a client. It works great with this setup: Callback function on click event... leafletImage(map, ...
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1answer
59 views

Can KML layer order be set in the CMV

I just started exploring the CMV about a week ago as an option to replace our Flex Viewer based configurable web mapping applications. So far it seems to be meeting all our needs however I have run ...
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1answer
12 views

In embedded map - can I temp disable all hoverwindows while any infowindow is open

I have CartoDB map with hover and infowindows for 1000 polygons. When user click we want to open infowindow for processing (update able form) and want: stop hover windows from working until user ...
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1answer
61 views

How to join a WFS layer to a table in OpenLayers

So I have to bring up this old question How to join a WFS layer to a stand-alone table in OpenLayers I recently have to get this working, I have to join a WFS layer data from GeoServer using postgis ...
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1answer
236 views

Get WFS layer from GeoServer to OpenLayers 3

I am creating a web map application for a website. I am using GeoServer 2.6.2 and OpenLayers 3.2. I have not problems with WMS layers, but I am not be able to visualize vector layers. This is the ...
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1answer
85 views

Multiple Attribute Tables - CMV

I am trying to add multiple tables using tabs to one of my viewers but can't get it to work. Below is the code that I have added to my viewer.js widget option (it adds a table for 'Site 2' but not ...
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40 views

Javascript - Problems getting GeoJSON from Geoserver

I already read other posts regarding this topic. However, I cannot make it run. This is what I have: var geoJsonUrl = ...
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13 views

Heron library call bookmarks from menu bar

Following this example I managed to build a geoportal app using Heron js and GeoExt. The problem I've found now is I can't call bookmarks from inside a menu (not panel). ...
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1answer
208 views

Use Mapbox featureLayer to create Marker Clusters

I'm trying to use this tutorial (https://www.mapbox.com/mapbox.js/example/v1.0.0/markercluster-with-mapbox-data/) to create marker clusters to style a Mapbox featureLayer containing my data. This code ...
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1answer
99 views

Batch Edit GeoJSON Markers with Mapbox.js

I cannot figure out how to style all feature points from a local GeoJson file at once using the Mapbox.js. My GeoJSON file has roughly 500 points. I could go through each point in the GeoJSON file and ...
0
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1answer
32 views

A method for limiting the number of results the Get Feature Interaction brings through in OpenLayers 3

I have so far managed to return a list of all the customer names at a single point when the vector layer is clicked on. I am looking to limit this to only show the first (or just one) record.Could ...
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0answers
166 views

How to make the value showing on a leaflet heatmap like this one?

I'm attempting to use leaftlet.js, and heatmap.js (github.com/pa7/heatmap.js/) following this example: www.patrick-wied.at/static/heatmapjs/example-heatmap-leaflet.html But I want to show the value ...
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1answer
26 views

Limiting returned records for an interaction in OpenLayers 3

I have the following script that returns a list of all the customer names at that point when it is clicked on. I am looking to limit this to only show the first (or just one) record.Could this be ...
0
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1answer
97 views

How to update data in Leaflet Control?

I have a Leaflet map with a control to switch between various basemaps or toggle on/off some overlay data. //Basemaps are all a-okay //Start with no polylines in my overlayData items = []; ...
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1answer
61 views

Use turf.count with turf.buffer dynamically

I have this code where I'm trying to create a buffer dynamically from a draggable marker and then count how many points fall insed this buffer. As of now I can drag the buffer around without any ...
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27 views

Is there a way to sort the results of a Nominatim request?

I was wondering if there is a way to sort the results of a request to Nominatim. I am using JavaScript for the request. When I type street name and house number I do get a certain number of results. ...
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1answer
187 views

Map.addLayer() is not working

I am creating an app with leaflet that shows a route on a map based on the button clicked. For example when you click on "button1", the associated route is successfully displayed on the map (i.e. ...
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1answer
80 views

Leaflet.js rendering 'chopped' WMS point symbols for variable sized points

I am using GeoServer to render WMS for variable sized points based on a data attribute. This technique is documented in GeoServers SLD Cookbook here. The SLD that I am creating validates ...
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1answer
126 views

Parsing XML file with hundred polygons using OpenLayers

I'm using this script but It's not working. <script type="text/javascript"> var raster = new ol.layer.Tile({ source: new ol.source.OSM() }); var xml = new OpenLayers.Format.XML(), wkt = new ...
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1answer
118 views

ArcGIS Javascript Spatial Query with Lat Lng or X Y?

I am using Google Maps on the front end as all I need on this view is to show the points. When user clicks on the map in the view, it selects a point hence giving out lat and lng. I am trying to use ...
1
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1answer
607 views

open layers 3 problem with feature overlay and

Edit -- I left out some very relevant information in my first post. I realized the issue I'm having isn't because of the counties layer itself but of the Feature overlay that is created when the user ...
2
votes
1answer
119 views

How to nest GeoJSON features based on their geometry in javascript?

I have a GeoJson object with polygon features. Some of them have same geometry. They look like this: squareData = { "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": ...
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1answer
80 views

Leaflet TimeSlider not showing points correctly

I'm trying to add about 13 thousand points in a map using the TimeSlide plugin, but my points are not following a logical order of appearance. When I use the slider I get the dates in the box below in ...
0
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1answer
41 views

How to show new points in arcgis online collector map?

I have created Arcgis Online Collector Map. Is it possible to have new data points collected to stand out from the old ones? As of now, they all look the same and its hard to tell which ones are new ...
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40 views

How to create email button instead of submit and close in a collector arcgis

I have created a collector app through arcgis online. I am trying to have the form to be sent to an email and then have that information show up on the map. I would really appreciate any help. I am ...
1
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0answers
69 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 ...
0
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1answer
156 views

google.maps.InfoWindow is not working

If anyone encountered the same problem and come up with the solution please give me an idea if what's wrong with this code. The InfoWindow is not working when i click the map polygon. All parts ...
1
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1answer
92 views

Webmapping js library with best support to WFS-T

I've tried to use WFS-T in ol3 but it was really a hard task, it seems that WFS-T is badly undocumented feature and it's much complicated to implement, and i'm looking for recommandations concerning ...
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0answers
101 views

How to add pixels offset based on resolution

Currently I'm displaying popups on my map using this utility by Matt Walker. My code is something like this: map.defaultPopup = new ol.Overlay.Popup({ panMapIfOutOfView: false }); ...
1
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1answer
54 views

Adding hyperlinks to Leaflet polylines created via Leaflet.Draw?

[Cross posting from StackOverflow as I realized this may be a more specific community for this] I'm using Leaflet.Draw, and I want to allow the lines that I draw to have hyperlinks in them so that ...
0
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0answers
59 views

browser crashes when loading legends at startup

After much perusing for solutions, I've decided to post my problem as a question. I'm trying to load the legends that are built into the ArcGIS Service Layers I'm using. I'm loading about 7 Dynamic ...
0
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1answer
67 views

Remove CQL_Filter from Open Layer Map

I'm using Open Layer to show my map with some layers. I've a field where I can add some filters with CQL code. I can successfully add a new filter to my map, and only the right points appear in my map ...
0
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1answer
389 views

Change Header/Background Color For Attribute Popup Window (JavaScript Web AppBuilder)

After creating a web app and downloading it using the JavaScript Web AppBuilder for ArcGIS (Developer Edition), I was able to change the site header and widget popup color schemes via an existing ...
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0answers
74 views

Move Zoom In & Out Button in ArcGIS JavaScript Web AppBuilder (Developer Edition Download)

After creating a web app in ArcGIS Online, I downloaded the app using the Web AppBuilder for ArcGIS (Developer Edition). Several folders, .json, .html, .js, and .css files are contained within the ...
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0answers
56 views

How to force the urlUtils proxy perform only POST requests

How can I force the urlUtils to use only POST requests. I a using it as shown in the following block described also in the how to use proxy section, and I have noticed that some times (maybe when ...
-1
votes
1answer
72 views

combining mbtiles and getZoom to visualize with Leaflet

I have exported MBTiles as single file for every zoom scale. Now I can add map manually call them with mbtiles.php server. But I want to accumulate it in one and get the mbtiles file on zoom scale ...
1
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0answers
51 views

How to Load SQL Geometry Data on OpenLayers3?

I am New in OpenLayers 3. I have to load Geometry data from sql to my OpenLayers map. This is my code : var tileLayer = new ol.layer.Tile({ source: new ol.source.MapQuest({ layer: 'osm' }) }) var ...
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1answer
145 views

Mapbox.js setStyle differently for each element

I'm using geoJson in a featureLayer so I can use the setFilter-Function. My question is: How can I use the setStyle-Function and give Elements with different properties different colors? My Code: ...
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0answers
54 views

OpenLayers get feature from layer at viewport position

How can I get a feature from layer at a viewport position, in openLayers 2.12. For example something like... Layer1.getFeatureAtPosition(x,y)
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1answer
94 views

10.3 js callback appended to query call not working

I have two 10.3 ags servers that i thought were the same. But on one i can send this request to the rest api endpoint and it does not work: ...