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

learn more… | top users | synonyms

4
votes
0answers
40 views

Is it possible to implement sticky move tolerance in a ArcGIS JavaScript API application?

We are working on a project in ArcGIS JavaScript and is going fine. We want to add sticky move tolerance to our project so it will not be so easy to move features on the map. Is it not possible to ...
4
votes
0answers
270 views

Why do ArcGIS Desktop 10 HTML popups give JavaScript/HTML Error?

Using ArcMap 10 Desktop HTML Popups. The issue I am having is that the html < select > elements aren't working - you can select it and use the arrow keys to navigate through(up/down) the list but ...
4
votes
0answers
1k views

How to handle add feature event in the FeatureLayer/Editor

I use a FeatureLayer created from the featureCollection. I also use esri.dijit.editing.Editor to add a feature to the map. Every time feature has been added to this layer I want to send it to my ...
3
votes
0answers
106 views

Is it possible to create filters based on attributes for markers in Leaflet?

I need to create filters based on attributes of markers. I have markers defined this way: var locations = [ ['AB11 5HW','17','A',57.147701,-2.085442 ] , ['AB11 8DG','3','B',57.129372,-2.090916 ] ...
3
votes
0answers
330 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
210 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
132 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
169 views

Openlayers text layer is not working

I am trying to load markers from a text file using openlayers text layer, but no marker is shown, text file and icons are in same directory. However I am able to show markers using marker layer. My ...
2
votes
0answers
99 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: ...
2
votes
0answers
51 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
186 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
425 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
417 views

Export map to PDF using Esri JavaScript API

I've searched a lot and tried many ways to export a web map to PDF. I need to export a web map and all active layers. Can anyone help me?
2
votes
0answers
85 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
280 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
29 views

Unable to reorder after layers from multiple ArcGISDynamicMapServiceLayers

I used the ArcGIS Javascript layer reordering sample as template. Initially I have 4 layers added to the map by ArcGISDynamicMapServiceLayer where reordering was working. Then, instead of using add ...
1
vote
0answers
32 views

Want a transformation box after a user draws a polygon

I have built an application which allows users to draw a polygon inside another polygon. The two polygons are in different layers for some application specific reasons. After the user draws a polygon, ...
1
vote
0answers
21 views

Updating leaflet variable using dajax?

Really, I think this a somewhat easy question for someone with some more experience in javascript programming. I have a Django app to map some locations using leaflet. I'm using dajax for some on ...
1
vote
0answers
68 views

Google Maps v3 with Openlayers - First Zoom Level

I use Google Maps v3 in my application and I noticed a strange behavior, When I refresh the web page, the map zoomed out to display the whole map then get back to the zoom level I specify in my code. ...
1
vote
0answers
40 views

OpenLayers IE performance issues

I have an Openlayers map set up, it is all working well except in IE7 (which most of our users have) where performance is slow. I load in several layers of vector features and then switch these layers ...
1
vote
0answers
84 views

User defined Polygon disappears with featureadded and selectfeature

I am trying to achieve the following functionality: 1. User draws a polygon. 2. Once complete, fetch features in that polygon( Using WFS). 3. On Select polygon, show the features that intersect that ...
1
vote
0answers
43 views

Interpreting Firebug results on ESRI Javascript feature layers in the NET tab

This was cross-posted to the ESRI Javascript API forum yesterday. I need help in interpreting what I am seeing and wondering why I'm seeing duplicate features. I'm using this example: ...
1
vote
0answers
154 views

OpenLayers and GeoJSON - possible to create, modify and delete features?

I wondered if anyone has some OpenLayers GeoJSON code to read, create, modify and delete features (i.e. instead of using WFS-T)? This is how far I've come - I've no problem changing the pop-up to a ...
1
vote
0answers
127 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 ...
1
vote
0answers
110 views

How to create a Google Maps with draggable routes with fixed markers

I have a webapp where I show a route on a map, I pass two address and show the route on map, so I'd like that this route should be draggable but the points A and B shoud be fixed. How to do this?
1
vote
0answers
87 views

How to set up the layer order with Google Maps API?

I'm developing a web mapping site (using google maps api 3.0 and javascript) that combines wms layers and ground overlays (uploaded rasters) that are displayed on top of google maps. The software is ...
1
vote
0answers
81 views

How to write addressToLocations onError?

How can I write a code for checking the error condition in Javascript (ArcGIS) for addressToLocations(params, callback?, errback?). if somebody entered an invalid address- how can I call error ...
1
vote
0answers
231 views

translating and scaling viewport to fit geojson map in D3js

I am trying to load a map of Rio de Janeiro (Brazil) in GeoJson for with D3js the code and the map is here: https://gist.github.com/4157853 I can open the map normally with Qgis, but with d3js ...
1
vote
0answers
71 views

Layer set visible

I add this layer like this: var POIData = new esri.layers.ArcGISDynamicMapServiceLayer("https://mysite.com/ArcGIS/rest/services/POI_Data/MapServer"); map.addLayer(POIData); ...
1
vote
0answers
79 views

adding WMS service to application ArcGIS JS api

I've got map in projection: 4326 (WGS-84) when I try to add WMS layers which is in different projection I always get connection timeout Do you know if I could change WMS projection to set it up ...
1
vote
0answers
375 views

OpenLayers: Click event to display position shows Uncaught TypeError: Cannot call method 'getLonLatFromPixel'

I have created a map using openlayrs, and put a click event to display its position in screen, when i clicked got an error message like Uncaught TypeError: Cannot call method 'getLonLatFromPixel' of ...
1
vote
0answers
111 views

How to generate xml for use with geoxml3

I have a kml and shp I would like to convert to an xml to use with geoxml3. How would I go about doing such a thing? the xml I gen should look something like this: <?xml version="1.0" ...
1
vote
0answers
320 views

Multiple Google fusion table layers with queries using javascript

I am making a web mapping application using Google fusion tables and JavaScript. Earlier I had only one Layer on it, but now I have to put another layer. Both the layers have bunch of queries. I am ...
1
vote
0answers
312 views

ArcGIS Javascript API: Force the fit option when zooming via rubberband selection with tiled map services

We're using ESRI's ArcGIS Javascript API with a tiled basemap and when the user zooms in using a rubberband selection via the navigation toolbar the map sometimes zooms in too far. This is apparently ...
1
vote
0answers
105 views

How CONVERT a lat/lon point TO a x/y point ON a world mercator proj image in JS?

Thx to read and think about my problem! :) I have a map world image like that (mercator proj): http://www.learnnc.org/lp/multimedia/14596 And I have a lat/lon point to place on it in javascript, I ...
1
vote
0answers
113 views

Avoid backtracking while creating loop in Google Map API 3

I am trying to build a solution where i would create loop by google map. My first and only business rule is there should not be any repeated route. But with my demo ...
1
vote
0answers
260 views

Retrieve tile path of superoverlay in Google Earth Plugin using Javascript

I've created a superoverlay using MapTiler and am displaying that in a webpage with the Google Earth plugin. I'd like to identify the current tile (level, x, y) being displayed with a mousemove ...
0
votes
0answers
8 views

How can I clean up this OpenLayers code by correctly doing a transform or projection, for an array of features?

I have some features I've created via some Kml data. Now, to display these features on a Google Map, I need to project them from 'EPSG:4326' to 'EPSG:3857'. This works great. Now, i need to convert ...
0
votes
0answers
23 views

Openlayers Vector Feature label not Visible in IE 8 but visible in Google Chrome…?

I have created a WEB MAP using Openlayers-Geoserver-Postgis.... The Label of one of the Vector feature layer is not visible in Internet Explorer 8(IE 8) ,but clearly visible in Google Chrome ...
0
votes
0answers
43 views

Mapping latlng values to a point on a HRAP grid

I have a copy of some NWS rainfall data loaded into a PostGIS database. Given a lat lng point, I want to find the rainfall for that given day. The original data are in XMRG format and projected ...
0
votes
0answers
21 views

Is there a JavaScript SDK for Vehicle Tracking?

Does exist a JavaScript SDK for Vehicle Tracking? Like this:Map Suite Thanks.
0
votes
0answers
29 views

problem marker and popup

Displayed not correctly popup when clicking on the marker, the popup appears to the left in the corner of the screen and need to be near the token display. Help( here is my code: var map; var ...
0
votes
0answers
15 views

populate a combobox in jsviewer widget

I'm woriking with jsviewer and JSAPI v:2.8. in one of my widgets I have a combobox which I want to be populated once the widget is opened .it should be populated with a field values coming from a ...
0
votes
0answers
61 views

Getting “pointer” cursor at mouseover for rules/symbolizers based clusters in OpenLayers

I successfully used the AnimatedCluster plugin for OpenLayers. My codes uses OpenLayers.Rules and symbolizers. How can I get a "pointer" like mouse cursor when hovering over a cluster of features? My ...
0
votes
0answers
32 views

SLD based selection on WMS layers - How to set the new style of clicked point?

I'm trying to follow this example: http://openlayers.org/dev/examples/SLDSelect.html When I click on the point, its color should be changed, here is a piece of my code: control = new ...
0
votes
0answers
21 views

openlayers addUniqueValueRules default style not displaying

I'm trying to alter the colour of displayed points using addUniqueValueRules in OpenLayers. If I don't use addUniqueValueRules all my points display the default colour (green). However, when I add ...
0
votes
0answers
52 views

Reset style on select Leaflet polyline

Using Leaflet, how can I reset a polyline to it's previous color after it was selected? I have the following function that has been applied to each polyline when constructed: function ...
0
votes
0answers
34 views

OpenLayers Vector Line Feature hard to select

I have a measurement control on an OpenLayers map which allows the user to (unsurprisingly) measure lines and areas on the map. They draw the line/area they want, OpenLayers does the measurements ...
0
votes
0answers
101 views

WFS Transaction geoserver Openlayers POST method

I tried to make a transaction data using WFS protocol with the save strategy and when I click on the save button and fetch with firebug I figure out that the POST method didn't receive any response ...
0
votes
0answers
54 views

Move OpenLayers.Popup up to 10 pixel and left 15 pixel?

good afternoon, I have a popup that is in the map and I want only move 10 pixels high and 15 pixels to the left, the problem is that when you change its position in latitude and longitude, is in ...

1 2