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

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0answers
260 views

Leaflet toGeoJSON() keep leaflet_id

When I use the function .toGeoJSON(); is there way to keep the layer leaflet_id?
8
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6answers
11k views

3D perspective on maps in Leaflet, CartoDB?

Are there any JS library out there that would render normal, flat maps (like Leaflet) into a perspective map like this one, on the web: Also, anyone seen anything that could turn CartoDB data into ...
0
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1answer
212 views

How to Update Multiple Fields of one Layer Using WFS Service

Trying to update two fields of a shapefile using a WFS update service published from GeoServer 2.4.3 with OpenLayers 2.13.1. I have a JavaScript with all the OpenLayers fun and a HTML document with ...
0
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1answer
186 views

How to display drawings from ArcGIS on Google Maps using JavaScript or PHP?

my client has ArcGIS installed on his PC and he has designed roads, hospitals, houses, and parks of a specific area in ArcGIS he needs his system online. challenging task for me is how can I get ...
3
votes
1answer
356 views

Loading multiple feature types as one layer in OpenLayers

I have a kml file which contains some polygon and some point features in the same file. I am trying to load and view this layer on my basemap in OpenLayers. The problem is that the polygon features ...
-1
votes
1answer
614 views

Do map services go stale? [closed]

This has happened several times over: I publish a dynamic map service, and then use the JavaScript API to allow the user to select features to obtain attribute information as well as to zoom to ...
1
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1answer
45 views

multiple users on one wms layer - style and filter

I am using geoserver to show Points data from MySql in OL. The data saved in one table for all the users - 'Points' with a geometry field and Id of the user. I want to be able to let the users to see ...
2
votes
3answers
288 views

Dojo Slider to control tiled map services?

am creating a web map to show Sea Level Rise in my County. I want to use a Slider for a user select the increment of Sea Level Change that wish to see. I have been able to create Programatically ...
2
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0answers
57 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
4answers
4k views

Formula to Check Latitude & Longitude is within Area without Google Maps Api

I got this Example Map SampleMap: http://techinfo.co.id/test/map.php I make Boundary Polygon shape , -6.875165174925262, 107.56293296813965 -6.882663904407988, 107.66730308532715 -6.980818117491586,...
0
votes
1answer
422 views

OpenLayers snap to road

i have some marker on my map, and i am trying to draw line between the marker but i want it follow the road ,when i used Google map i follow this example... http://people.missouristate.edu/...
2
votes
0answers
695 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 ...
1
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4answers
620 views

Web Mapping using the ESRI Javascript API

So I've been tasked with coding the interactive map for the city I'm interning at. I'm still a beginner with Javascript but I learn best "one the fly" by just getting started. I just need to know how ...
0
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0answers
146 views

How to reorder KML layers in ArcGIS API for JavaScript?

How do I reorder KML layers in Esri ArcGIS javascript version? I want to be able to reorder the order of the rendering of layers. I tried this._map.reorderLayer(kmlLayer, 0) This did bring the ...
0
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1answer
144 views

Bounding the Google Maps Search area to my Fusion Layer area?

I have a searchable Google Fusion Layer of Glasgow Postcodes that highlights the searched areas on a map. The search works fine if I enter a full postcode (for e.g. G1 1BL) that matches the data in ...
8
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2answers
9k views

Trigger a click event on a leaflet map?

Is it possible to make a click event occur at a particular lat/lon on a leaflet map? I would like to make a popup appear that is associated with a point at a particular location. I have tried several ...
0
votes
1answer
252 views

JS/browser API library to show/interact with many markers with the best performance?

What's the best Javascript library that can show about 50000 (and more) clickable markers without resorting to things like clustering markers,etc? The markers are clickable and I want to associate ...
4
votes
1answer
1k views

Cartodb - SQL query of public visualization of a private table

The team at CartoDB have recently(last few days) made some useful updates that now allow public visualisation maps to reference data in private tables. The change has only been made in the last day ...
1
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0answers
125 views

ArcPad Jscript ThisEvent.Object, autofill form with multiple pages

I have a script that I'm trying to use to autofill the controls of an ArcPad form with controls on multiple pages. The 'autofill()' function is referenced in the form's onload event and I would like ...
1
vote
1answer
309 views

Jsonp call to geoserver

If I try, like this way: $.ajax({ jsonp: false, jsonpCallback: 'getJson', type: 'GET', url: "http://79.141.150.167/geoserver/xxx/ows?service=WFS&version=1.0.0&...
2
votes
1answer
405 views

Exporting features in OpenLayers 2 to KML?

I'm new to OpenLayers (2.13). I saw in the example section that it is possible to draw features like lines, points and polygons. http://dev.openlayers.org/examples/draw-feature.html Quite ...
0
votes
1answer
94 views

Passing variables through infoTemplate

I have a problem passing variables through infoTemplate. Its like there's something funny happening with the scope. Certain variables work but when I get too crazy with them my map doesn't load. ...
1
vote
1answer
229 views

Problem with using a circle as polygon for querying PostGIS

I'm trying to query PostGIS and find some object features that intersect with a circular buffer created by the user using OpenLayers, JavaScript and PHP. I use the following code for creating the ...
1
vote
2answers
988 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
1answer
155 views

Change The OpenLayers 3 script into openlayers 2.13

Hi all I want to change the code from pgrouting latest workshop which is used the Openlayers 3 beta to Openlayers 2.13 The code is in here http://workshop.pgrouting.org/chapters/ol3_client.html I ...
1
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1answer
969 views

Browse (add/remove) ArcGIS Server Services (Layers) from the ESRI Javascript API viewer

I am quite new to the Javascript API. I am not if there is a widget that does what I would like but I am trying to create a web map that allows the users to choose/add/remove layers located on our GIS ...
2
votes
2answers
2k views

Unable to get Mapbox leaflet-omnivore to load markers from .csv

I'm using the Mapbox.js API to build a really simple web map using a .csv file to place markers with tooltips. I'm trying to use the suggested leaflet-omnivore library to easily parse the csv and ...
2
votes
2answers
2k views

What is a good Javascript API for weather data?

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
1
vote
1answer
1k views

CartoDB.js - Accessing table fields in hover function

I am new to CartoDB.js and javascript in general, and I am attempting to highlight polygons in response to a mouse hover. My plan of attack attempts to utilize one of the interesting templates ...
4
votes
2answers
751 views

Authentication in Geoserver 2.4.x from a web application

I am trying to build a web application using html and javascript from which I want to login to geoserver hosted at: https://weaveprod.ucdp.utah.edu/geoserver/web/ I have written the following code for ...
1
vote
1answer
893 views

Leaflet JS calling animatedMarker.stop() from event listener

I'm using the animated marker plug-in for Leaflet JS and would like to stop the marker from animating when it reaches a certain lat lon position. Currently I'm using Leaflet's 'move' event listener ...
2
votes
1answer
2k views

set infoTemplate for various graphics in graphics layer in loop

I am successful at getting an info window pop up on the event click of a marker on a map. Now, what I'm having trouble with is passing unique information for each graphic in the loop to the individual ...
4
votes
1answer
766 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 ...
2
votes
2answers
495 views

How can I create a hexbin layer using the SQL and CartoCSS parameters in cartodb.js?

CartoDB has a great hexbin visualization wizard baked into the client dashboard: However, I like using cartodb.js to customize events and interactions; in particular, I'd like to make styles ...
5
votes
2answers
2k views

Force an ArcGIS API for JavaScript WMSLayer to use EPSG: 900913 (instead of 102100)

I have a use case where an external WMS server can serve maps in the Web Mercator projection using EPSG code 900913, but won't recognize ESRI's 102100 code. My question is: can I force all WMS ...
1
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0answers
47 views

Setting global CSS and Javascript in .KML

I've tried googling this question, but I was wondering if it is possible to declare common styles (CSS) and Javascript functions that are being referenced within the tag of multiple placemarks?
1
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0answers
348 views

QGIS print composer error due to Java script problem!

I've been experiencing a problem with the QGIS print composer. I am working on a Linux Ubuntu platform (Release 12.04 (precise) 64-bit) and I am using QGIS 2.0.1 Dufour. I need to export a number of ...
0
votes
1answer
67 views

only one popup displayed on the openlayers

The issue is that i only one popup on the map is dispalyed. I can see all the points but popup can see only on the last point of the list. Please check my code http://jsfiddle.net/3HSjY/24/ I'm stack ...
1
vote
2answers
1k views

Looking for dissolve algorithm for Javascript

I have three adjacent polygons that together make up a larger shape. I need an algorithm that will dissolve the internal borders leaving only the outside border. An example would be a group of ...
1
vote
2answers
206 views

Problem - ST_AsGeoJSON return text with accolade

I am saving a result of ST_AsGeoJSON(..) into csv file. But the results I got can't be interrupted as an object later on. How can I polish and delete the accolades that I don't need. "{""*type"":""...
0
votes
0answers
458 views

Validate coordinates in DMS format in a Textbox

I have to validate a textbox which is taking coordinates in Degree Minutes and Seconds or Degree and Minutes or in Degrees format divided by a space between them.
1
vote
0answers
447 views

Snapping in Esri javascript api does not work on mobile device

I have an Esri map loaded using the javascript api. I try to enable snapping, where a point should always snap to a given line. I have a snap point symbol that will trace the line to snap to when I ...
1
vote
1answer
923 views

How to use cartodb.js with API key for privacy of data

I would like to use cartodb.js in my web page reproduce a visualization that I created at CartoDB. But I want to keep private my visualization and data at CartoDB (and I am going to secure my web ...
2
votes
1answer
765 views

Leaflet setView with non lat/long CRS

Is it possible to use setView when using an alternative CRS? var map = L.map('map',{crs: L.CRS.EPSG26915}).setView([4970081,477018], 13); // Returns: Uncaught TypeError: Cannot call method '...
1
vote
1answer
325 views

using WebTiledLayer function

Using esri javascript api version 3.8, I am trying to use some cached tiles from our server at http://hexe.er.usgs.gov/ifhp/will/tiles/ using WebTiledLayer. I believe that our tiles are set up as ${...
9
votes
1answer
245 views

Mercator bias plot in Leaflet

I was inspired by this wikipedia image from the mercator projections page to hack around with leaflet. The idea was to interactively have your cursor move a continent and that it would be corrected ...
1
vote
1answer
414 views

Change CartoDB map with new center

So I already have the code working to initiate a map and to populate it with data points with a dynamic slider. What I am trying to do now is to have a user type in a query and when they submit that ...
1
vote
1answer
762 views

OpenLayers + GeoServer's WMS — Passing Feature ID into a Variable

I have a WMS PostGIS-based polygon layer served by GeoServer, and whenever I click on any feature I want to get its gid value, so I can pass this value to the DOM. Unfortunately, I could not find a ...
1
vote
2answers
777 views

Generating Values in the Attribute Table

In the attribute table within GIS, I have a certain column with ascending values, and I want to assign ID numbers (for easier readability and display) to a corresponding column. So for instance: Feet ...
0
votes
1answer
365 views

OpenLayers - Resize a point on zoom out?

I need to resize a point on zoom. When you deep zoom the point get larger and on zoom out the point is smaller. In fact, the post here - How to resize a point on zoom out? seems to have exactly ...