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

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3
votes
1answer
486 views

How Can I Calculate Time from Coordinate?

For my application I am searching for an API or an algorithm for clicking point time and time zone. I dont know how I can do this but after getting time I want to calculate giving coordinate sun ...
3
votes
1answer
1k views

Google Maps Decodepath change variable name

I have this code: var directionsService = new google.maps.DirectionsService(); var request = { origin : start, destination : end, travelMode : ...
0
votes
1answer
794 views

Geojson multipolygon doesn't work with Leaflet bindPopup?

I have polygon and multipolygon data in Geojson format and when I try to bind popup for polygon, it works perfectly, and when I try to bind it for multipolygon, it doesn't work. Is that some Leaflet ...
0
votes
1answer
170 views

How to create customized side control bar in OpenLayers?

I could create a simple map using OpenLayers. But I want to have a customised side control bar. The one I created: The one I want to create:
3
votes
1answer
172 views

software architecture for creating routes?

I have a system that can alert staff by email if their device goes into/out of a geo-zone However, we now need to create a route, and then email if someone goes off this route Technically, how would ...
0
votes
1answer
156 views

“TypeError: this.options is null” in OpenLayers.Protocol.HTTP‏ [duplicate]

I'm using OL 2.11 with GeoExt 1.1. After testing and modifying this GeoExt example: http://geoext.org/lib/GeoExt/widgets/form/FormPanel.html, I had problems with destroying and reading the new ...
1
vote
1answer
140 views

How to replace protocol in geoext.form.formpanel‏‏

I've been scratching my head over this and I'm wondering if this is possible. I want to replace the protocol of the GeoExt.form.FormPanel in the following way: to render the formpanel, I defined a ...
0
votes
1answer
140 views

How can I overwrite the url of OpenLayers.Protocol.HTTP?

How can I overwrite the url of OpenLayers.Protocol.HTTP? I tried searchformPanel.protocol.url and it works (checked with console.log), but at the end the original url is sent (in the code ...
1
vote
3answers
7k views

Understanding the polygon handler function in Openlayers

Using openlayers, I want to be able to draw one polygon on a map. After one polygon is drawn, I want an event to fire that stops any more from being drawn until a button is pressed. My current code ...
4
votes
1answer
365 views

Export KML to SHP in Javascript

I need my Javascript browser application to convert/export KML documents into ESRI shapefiles. Is there any JS library that can do it? I tried googling, but no answers so far (at least, not in ...
2
votes
1answer
149 views

How to stop features to redraw unwillingly in OpenLayers

I have a problem where when editing features from a wfs vector layer. After some changes are made to the geometry, the feature redraws itself and the changes are lost. Usually the problem occurs more ...
0
votes
1answer
496 views

Openlayers loop through json array and output result with as javascript

Connection.php file which stored database connection code with json: <?php $username = "root"; $password = ""; $database = "roadmap"; $url = "localhost"; $con = mysql_connect($url, $username , ...
2
votes
1answer
410 views

Query a polyline layer using arcGIS's Javascript API

I'm attempting to query a polyline layer using the ArcGIS Javascript API I all ready have a lot of experience doing this with Point layers. So I set my Polyline layer up the same way and stopped and ...
0
votes
0answers
500 views

ajax not working with postgresql

I know is a silly question but I thought I should ask since you guys know more about postgresql. Sorry for being analytical, but I think its the only way to make my question clear. I'm using ...
1
vote
1answer
263 views

ESRI Javascript APT FeatureSet input to custom Geoproecessing tool

I have an ESRI Javascript application that uses a geoprocessing service that uses a cutsom GP tool. Since I have a set of values to be passed to the GP service I am planning to pass in it as a record ...
2
votes
1answer
358 views

Ordering Layers Dynamically

I'm adding layers to a GeoExt map panel map dynamically in response to a user's selection. I have a corresponding FeatureStore definition from which I create the layers. When a new layer is added, I'd ...
5
votes
1answer
188 views

How to draw graphics in a child window?

I am adding some graphics to the map in a parent window, and I would like to show the same graphics in a child window. I am using the ArcGIS Javascript API (version 3.1). I have written code as below: ...
1
vote
2answers
733 views

OpenLayers.Class with OpenLayers.Control.GetFeature

I'm wondering if someone could point me in the right direction to force the BBOX of OpenLayers.Control.GetFeature to be always in long/lat coordinates. I'm trying to get this with OpenLayers.Class, so ...
4
votes
1answer
1k views

Drawing Ellipse with OpenLayers

I am trying to draw ellipse on the client side using openlayers with some mathematical functions from drawing ellipse with svg. I have achieved drawing it but not rotation what I have written for ...
4
votes
3answers
2k views

How to access an wms layer that requires authorization via OpenLayers?

Is there a way to send username and password parameter to a wms layer that needs authorization? If not, I guess it's perhaps a non-spatial thing to solve so that you before the javascript sends a ...
0
votes
1answer
735 views

how to find vertices for a geometry in OpenLayers

I am having a LineString, where I need to find the vertices logically and save those vertices. Can anyone help me out. Or else how below can help me. OpenLayers.Geometry.LineString = ...
4
votes
1answer
8k views

How to Zoom to a FeatureLayer Using ArcGIS Javascript API

I am making a web application using the Javascript API and am trying to zoom to a feature layer from a row click in a dojo data grid. I have this working for a dynamic layer, but am having issues with ...
2
votes
1answer
969 views

Updating filter values and update map

I'm developing an ExtJS3.4-GeoExt1-OpenLayers2.12 GIS application. For basic functionality I need to filter layers to get specific data from a Geoserver WFS layer. Filter is done through the ...
3
votes
1answer
876 views

How to avoid corrupt geometries when translating between TopoJSON and GeoJSON?

I'm trying to display some geojson vector features on a leaflet map. The size of my GeoJSON is too big (25.4mb of data, 8.47mb gzipped), so I'm trying to use a TopoJSON format to reduce the size ...
5
votes
2answers
3k views

Turn Popups On/Off in ArcGIS Online Webmap via Javascript API Web Application

I am writing my first ArcGIS Javascript API web map application and consuming a web map authored in ArcGIS Online. The ArcGIS Online web map apparently does most of the work for me in terms of ...
1
vote
0answers
208 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 ...
0
votes
1answer
421 views

How to read/write a/from a file in javascript with prototype.js/jQuery.twFile support OR anyotherway

I want to write my data into a file from OpenLayers, I have gone through Prototype.js and jQuery.twFile.js or anyother way to write into a file.
1
vote
1answer
900 views

How to use filter in GeoExt.FeatureStore?

I have a FeatureStore: var protocol=new OpenLayers.Protocol.HTTP({ url: ...
0
votes
1answer
1k views

Plot points using ArcGIS javascript api from co-ordinates

I would like to map co-ordinates that I got from the exif in photo's using my own command line tool that I made. As opposed to uploading your private photo's for everyone to see on flickr. How to I ...
0
votes
1answer
645 views

How to reproject layers (using GeoServer and OpenLayers) in order to overlay on the google maps [duplicate]

Possible Duplicate: Openlayers and Geoserver: OSM/Google Maps and WMS Overlay I am writing a code using OpenLayers. In this code, I want to display different layers in different zoom ...
2
votes
1answer
1k views

Google Map API Drag event..?

The below code is working perfectly on click event to retrieve Lat/Long and Current Zoom level. How do I get the same when I hover mouse/drag on map Window (not on submit button)? <!DOCTYPE ...
2
votes
1answer
455 views

Special background layer not coloring in Kartograph map

I'm testing out Kartograph according to the documentation and a linked gist. Both my US and non-US layers color correctly, but I can not get the special "sea" layer to fill. I found an example here ...
3
votes
1answer
1k views

Problems with gxp Print plugin via opengeosuite sdk

I am trying to import the print plugin within an application built using the Opengeo Suite sdk and I have run into issues as is described in the following thread ...
1
vote
1answer
220 views

How to add more events like Control.Click and Handler.Point for a single variable in OpenLayers

I have two points which are marked dynamically on the map and when I mark the start point it is returning lon,lat, but I want to assign this coordinates to the variable that marked/handled the start ...
3
votes
2answers
268 views

“Hello World” introduction for ubuntuGIS?

Is the GIS equivalent of "Hello world!" = "You are here?" I installed ubuntuGIS recently, but I'm a little overwhelmed navigating the network of many packages to begin accomplishing simple things. ...
3
votes
1answer
1k views

How to add SLD to a wms layer dynamically from javascript

How to add SLD style which is written in String format and stored in a 'var' variable of javascript and asign it to a WMS layer while creating it.
3
votes
1answer
187 views

How to set up a maximal zoom for polygons in Leaflet?

How to set up a maximal zoom for some layer, for example state polygons? I need that my US polygons which represent states have maxZoom 6, and when zoomed higher than 6, that US counties show up ...
2
votes
0answers
925 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 = ...
3
votes
2answers
274 views

how to search for a Point of MultiLineString geometry in a json file using OpenLayers

I have a json file with large geometries(MultiLineString), here I got a Point among the json layer(baseLayer). I would like to search for a Point's LineString in the layer, from which MultiLineString ...
2
votes
1answer
87 views

Change text color of PopupMobile

I am facing the problem that with some mobile Browsers like DolphinHD and Android Browser that the browser makes the text color white, and the background is also white. So i want to change the ...
3
votes
0answers
96 views

How to PGRoute from OpenLayers via PostGIS/PostgreSQL [duplicate]

I need to route a shortest distance for a map which I have loaded from a PostgreSQL by means of JSON file. I can project the map in my browser and I can identify the linestrings. For a particular ...
2
votes
5answers
4k views

Event listeners after each plotting of a point of a Polygon Vector in OpenLayers

I am quite new to OpenLayers. I have a polygonLayer for users to draw polygon vectors. The plotting feature is working fine. polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer"); ...
0
votes
1answer
779 views

In leaflet does the addControl automatically handle events via the leaflet API?

I need to add additional overlay layers to be controlled by the controls within the leaflet map boundaries, but the code utilizes a leaflet-custom.js file. I am assuming it handles the event and ...
9
votes
3answers
2k views

Chart inside pop up window in Javascript

How to show a chart inside pop up window? I'm using Leaflet JS, which has support for raphael plugin http://dynmeth.github.com/RaphaelLayer/. Is it possible to create a div inside popup window? I was ...
5
votes
3answers
1k views

toolbars.Draw: Clear last point when a new point is clicked.

I am creating a map that will provide coordinates when a point is clicked on the map. I want to have a graphic provided on the clicked location so I am going to using the drawing functionality as ...
3
votes
1answer
336 views

Javascript and esri.dijit.PopupMobile

I currently have a wonderful mobile version of our site up in which it uses PopupMobile to display the requested info. I also map a button on the map that allows the user to do a random function. ...
0
votes
1answer
3k views

Feature Layer from JSON file

I would like to project my shapefile information on the maps. I converted my shapefile into a JSON file. How can use the Json file to create a featurecollection object in the ARCGIS Javascript API. ...
5
votes
2answers
548 views

How to display a lot of images with OpenLayers?

I would like to display a lot of images at same time. The images are georeferenced (they have extents), with some labels on top of it which, on click, open popup. I can not say how many exactly ...
2
votes
1answer
154 views

Openlayers layer hide javascript menu

I have java-script menu that is getting behind openlayers OSM layer (only after it loads). I've tried giving z-index:9999 to the menu div but it didn't work. Any idea ?
1
vote
2answers
2k views

Add layer in Openlayers using layer variable passed to a function with setVisibility

I am trying to add and remove layers by passing the name of the layer variable to two separate functions and I can't seem to find any place that describes what I am trying to do. Here is an abridged ...