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

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Leaflet Heatmap Dynamic data layer

I am trying to add heatmap layer to my map. I have tried the following plugin: http://www.patrick-wied.at/static/heatmapjs/example-heatmap-leaflet.html From this plugin the data came from ...
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1answer
111 views

How do I get ArcGIS tiles to display a single layer when multiple layers are available?

I am using Bing Maps v7 to display layers from an ArcGIS server. The server displays multiple layers as one, but I would like to only display a single layer. Suppose a map service has the layers: ...
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3answers
990 views

ArcGIS Javascript API with Windows Authentication

I am using the ArcGIS Javascript API to consume a feature layer on an ArcGIS Server secured with Windows Authentication. I want to satisfy the authentication programmatically so the web user isn't ...
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1answer
2k views

How to add a WMS layer on Cesium Globe?

I downloaded Cesium Java Script library for creating 3D Globes from "http://cesium.agi.com/". Also I found that, they are using Bing satellite map as default. But I need to display layer from My ...
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3answers
540 views

ESRI JS API - Getting a Screenshot with pure Javascript

I have a requirement to be able to produce a pdf of the application's map (Esri JS API 3.7). The map will contain ArcGISDynamicMapServiceLayers, user drawn graphics including text symbols, and ...
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How to dynamically disperse point labels in ArcMap, using image files and leader lines?

My GIS group needs to find, or somehow develop, a labeling tool for points in ArcMap. Ideally, it would work like this: Each point would be labeled using an image file (jpg or png) so that a ...
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1answer
1k views

How to create 3D web application using Open Source GIS software?

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. How can we create GIS based 3d application like below attachment using opensource softwares ...
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1answer
1k views

Show previously loaded tiles while loading (zoom in or zoom out) map

How to remove the white tile part(map loading area). While zoom in and zoom out, the white tile part is appearing on the map(map loading area). How can we fill that area with the history image? Is ...
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1answer
887 views

While developing stage, Is Proxy.cgi required to get Openlayers WMSGetFeatureInfo?

I have published the data in Geoserver (Tomcat and OS Ubuntu) and I am developing a map application in my local machine (OS windows xp) using asp.net. In my application, I can get WMS feature ...
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1answer
394 views

how to disable duplicate items in the legend for ArcGIS JavaScript API

I have a problem with duplicate items in the legend panel! Can anyone help me? This is my feature Layer with popup info: // Feature Layer var msFeatureLayer = new ...
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435 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 ...
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67 views

Coordinates misplaced in openlayers

I am using a timeline from timeline-github. I used json for showing temporal data in timeline but the features are clustered into (0,0) i.e features are misplaced. I think it's because of projection ...
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1answer
610 views

How tow use an ArcGISCache layer along with an ArcGIS93Rest layer?

I want to have two layers in my OpenLayers map. The BaseLayer, as well as the overlay layer are being served by ArcGIS Server. I have a problem with ArcGIS93Rest when using ArcGISCache as basemap. ...
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3answers
187 views

What is the precise distance from equator to pole according to WGS84?

For calculating areas of polygons by means of projecting to a cylindrical equal area projection I came across the following discrepancy: I ended up with a different distance, off by more than 5km, ...
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52 views

OpenLayers code for not showing intended area from Google Streets

Would anyone be able to help me with the following code? I have downloaded googleclient.htm world map and want to change it to display Australia only. So I have changed the max.Extent:new OpenLayers ...
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1answer
2k views

Arcgis Javascript latitude and longitude convert to WGS_1984_UTM_Zone_36N

I am using Arcgis Javascript api. I have two points comes from Google maps like this x:-111.67095840000002 y: 32.7558935 I wanna use this points on my Arcgis map. My map spatial reference is using ...
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1answer
720 views

ArcGIS JS API: Zooming with mouse wheel/double-click forces pan

I have a map that I'm initializing off-screen and sliding in using jQuery. For some reason zooming in with the scroll wheel or by double-clicking causes the map to simultaneously pan down (or pan up ...
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1answer
2k views

OpenLayers - Show a WMS Layer from GeoServer

I'm trying to acesses with OpenLayers code an example of the embedded GeoServer map (the map of tasmania), which acts as a local server on my machine. However, every time I open the .html, the map ...
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1answer
325 views

JS API - onDrawEnd firing twice

I have a simple editing application with the following code: startEditing : function(template) { var drawingTool = template.template.drawingTool; switch(drawingTool) { case ...
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1answer
311 views

Using sql SELECT DISTINCT in Fusion Tables API

How do I go about using sql SELECT DISTINCT in fusion tables API?
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0answers
131 views

Fusion Tables API advanced visualizations

From the google example; i want to replace the column bar chart with a dynamic pie chart. How do i do that. What codes do I need to change?
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1answer
211 views

looking for an esri compatible javascript engine

I work on an esri heavy team, i'm looking for a mapping engine that will give me flexibility to build on top of and leverage only the pieces I need and or add more as the app grows. I've been using ...
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1answer
268 views

How can I use the ArcGIS JavaScript API along with a separate version of Dojo?

I am using the ArcGIS API for JavaScript in my application which is being developed using IBM WebSphere Portal. When I integrate ESRI with my HTML code it works fine but when I load the ArcGIS ...
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1answer
442 views

Problem with creating a “blank” basemap in an application built with arcgis javascript api

I'm building an application where I'd like the user to be able to select a blank basemap from a gallery of basemap options. I've found that if I initialize the app with a "white" "blank" or "none," ...
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1answer
973 views

Search Functionality using Cartodb API

I posted a similar question about this a month or so ago and I was still in early stages of researching the problem thus not to many results came from it .After some time and effort I have come close ...
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189 views

Add your own data to ArcGIS.com javascript template and host locally?

ArcGIS.com has a basic viewer javascript template where you can create a map using ArcGIS.com and then download the files/template to be hosted locally. I won't be able to upload my data to ...
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3answers
2k views

ESRI proxy page not working properly + CORS + cross domain scripting

I have set up a proxy page. I am using jsp version of proxy page. I have set up a server URL which will point to my Java. When I load the my page which the proxy URL has set in its html it will work ...
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0answers
167 views

OpenLayers map breaks at certain zoom level when many popups exist in the map

I'm still learning OpenLayers. I found this weird issue in my OpenLayers map. I create FramedCloud popups and add them to each features. popup = new OpenLayers.Popup.FramedCloud("popup", ...
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1answer
300 views

How to rubberband zoom w/o the shift key: arcgis api for javascript

I want to enable the rubberband zoom effect without users having to hold the shift key down. This behavior is found is Esri navigation bar dijit. I don't want to use the dijit. How can I get a zoom ...
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2answers
82 views

ArcGIS Javascript Editor - showAttributesOnClick feature

I'm using the Editor dijit to add feature to my map. I was looking at one of the online samples, which mentions a "showAttributesOnClick" setting in the description. When I look at the code in that ...
2
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0answers
466 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
1answer
2k views

Request WFS from GeoServer with Jquery AJAX using INTERSECT cql_filter error

I am having difficulty troubleshooting this issue and would appreciate some ideas. Thanks in advance! I am trying to make an AJAX request from a Leaflet map with Jquery to GeoServer to return a WFS ...
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196 views

saveStrategy and OpenLayers

I am trying to apply code mainly from here http://maps.peterrobins.co.uk/files/ol6.html and create a custom "saving button". Problem is, that my json is loaded (from mysql db) to variable. (This time ...
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63 views

Recommended way to use a setting file to initialize OpenLayers

I am new to OpenLayers. I am trying to figure out what is the best way to have a configuration file for the map I am creating. For example, I am creating a map with the following style : var ...
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0answers
164 views

Create Materialized View to Flatten ArcGIS JavaScript API Database

I'm doing a project using ArcGIS JavaScript API v3.5 hosted on ArcServer v10.1. While reading the question below, remember that I do not have control over the datasource and cannot just create a ...
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2answers
362 views

How to convert Shapefile to TopoJSON with grouping neighbor shapes by some criteria

I have a shapefile with countries, which I convert to GeoJSON using ogr2ogr and then converting that json to another TopoJSON, using topojson command-line tool. Everything works like charm, but now I ...
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2answers
1k views

OpenLayers vector does not draw (or re-draw) on zoom level change or layerswitcher off/on

Here is the full code (i'll highlight the important parts after): jQuery(document).ready(function($) { // ...
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0answers
456 views

Help me convert this US Lambert Conformal Conic Google Maps Projection to Australia

Following on from this question: Identify what projection this Australian map uses? <- this is the sort of map i want to load in I need help changing the bits necessary in this example of Lambert ...
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2answers
962 views

Can I use leaflet to access a WMS service published as an OpenLayers javascript API?

I would like to add this layer to a site I'm working on that uses leaflet: http://116.240.195.134/vicmapapi/UserGuide.jsp The API itself is a javascript file based on OpenLayers: ...
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1answer
193 views

OpenLayers: Can I drag a feature between two maps?

Is it possible to drag the features between two different maps? Now, I create feature on event mouseenter but I would like to insert the feature and at the same time start to drag this feature.
0
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1answer
329 views

Issue selecting feature for IdentifyTask (Javascript API)

I am having an issue selecting features in my web map for an IdentifyTask operation. I have a dynamic map service that contains a few sublayers that I would like to be able to click and have a popup ...
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0answers
41 views

Are there any js libraries for reading OSH data?

I want to do time based mapping on openstreetmap data in the Kathmandu, Nepal area. I think i have two options Using OpenStreetMap Change files (OSC) Using OpenStreetmap History files (OSH) I have ...
3
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0answers
632 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 ...
4
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2answers
796 views

LeafletJS: Load Tile Layer based on bounding box

I have a LeafletJS map application with lots of layers. I have a few layers that only have imagery for certain regions across the world. Because everything goes on a world base map. All tile caches ...
3
votes
2answers
1k views

Cluster Strategy different Labeling at Different Level

what I did? I am trying to plot some points using cluster strategy of openlayer using animatedCluster plugin. I have gson data as given: { "type": "FeatureCollection", "features": [ { ...
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1answer
92 views

Fusion table styling

I am importing data from fusion table data as a layer. but the colour i used in fusion tables is not reflected in my map. it by default remains red small icon. Please let me know if I am doing ...
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3answers
140 views

Is it necessary to use a third party service for serving this case?

I have been assigned a task to help build a mobile app, which only shows terrain view of map with a fixed (min/max) zoom level based on mobile phone position and moveable markers which are provided ...
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2answers
303 views

Are there any good libraries for visually creating simple Google Maps?

I'm working on a simple webapp that lets the journalists I work with easily construct styled Google maps. In short, I need an interface that lets users place markers, set zoomlevel and choose a ...
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1answer
119 views

Mouse click event used gis application with much data

I will create an application that using my water pipes, electric cables, gas pipes service in a city. All of streets and roads including water pipes. My service is publishing pipes. My service like ...
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2answers
1k views

Date Time format in ArcGIS 10.1

I have a Date column in my feature class and I want the date to appear in "dd MMM yyyy" format as a label to a polygon. I am using Arc Map 10.1. I tried taking Jscript. var Dt = new Date(); Dt = ...