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

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-2
votes
3answers
337 views

Disable a button until selection is made [closed]

I have this section in my website: There is a drop down list of environments and an area for a user to input a Zip Code. What I am trying to achieve is making the button disabled until a selection ...
1
vote
1answer
211 views

OpenLayers serving a MapServer layer: data won't display correctly without using WMS

I am trying to serve my Mapfile data as a MapServer layer in OL, rather than a WMS layer. When I display it using WMS, everything works fine. The part of the mapfile I have struggled with was ...
0
votes
2answers
262 views

Programatically adding popups into OpenLayers map

I'm developing a web service and want to inset multiple popups dynamically to a web page according to the request. What I did was this <script> //injected programmatically var popups=[]; ...
1
vote
1answer
113 views

ArcGIS JS Modular Feature Layers? Possible?

My ultimate goal is a map which can toggle the visibility of layers on an ArcGIS map. However the data I need to use is not available as a feature service, I have to build it programatically from ...
1
vote
1answer
334 views

How to get bounding box coords?

How to get coords for NW and SE if we have about 4-5 pixels on the image with assigned latit/longit? I'm working on javascript app which would overlay that image on Google Map then. Thanks.
0
votes
1answer
371 views

OpenLayers: How to add permalink long/lat anchor to links outside of map on page

I would like to extend the funtionality of OpenLayers that appends, on-the-fly as the user zooms and pans the map, the longitude/latitude parameters as a anchor to the URL in the browser's address ...
0
votes
1answer
212 views

Undomanager did not remove graphics when undo()

My attempted on using the UndoManager has been unsuccessful for a couple days and I'm stuck. I did not setup a proxy. I create a FeatureLayer object in memory with var drawingPointLayer = new ...
2
votes
1answer
391 views

Application for online overlay images on Google Maps

I want to develop javascript app which will take any image user uploads, user will click on 3-4 points on the image (3-4 cities, for example NY, Chicago, LA and Miami) and image will be overlayed on ...
0
votes
3answers
339 views

javascript function to search all OpenLayers vector features covering a pixel

I have an OpenLayers map that draws features in a vector layer. The features are selectable and have a popup on select. Unfortunately in a lot of cases the features overlap so it can be impossible to ...
2
votes
0answers
205 views

Show geoJSON properties in jQuery Mobile Panel

First off I'm a novice at JS so please bear with me if this is a simple task to complete. I'm currently using the stock LeafletJS popup bubble to display the properties from my geoJSON. However, I ...
1
vote
1answer
2k views

Building SQL statement in javascript and casting variables as strings

I'm working with Postgres 8.3/PostGIS which is storing some polygons. I'm writing a javascript function which will take in a parameter of a watershed id from another function. The javascript will ...
3
votes
1answer
2k views

How to highlight on mouseover without wiping out select control

I am trying to highlight features of a vector layer as the mouse moves over them. I can make this work. I'm also trying to make the features selectable and have a popup box when they're clicked. this ...
1
vote
1answer
111 views

openlayers:transform from ITM to 900913 is not accurate

i did a custom projection ITM (Israel TM) and i then am doing transform to all the feature before im adding them to the map, from ITM to 900913 proj because i want to show the feature on the map. this ...
1
vote
3answers
364 views

Is it possible to create a tooltip with a map service?

I am trying to modify the ESRI Parks Finder application to include a tooltip that shows the name of a park when you mouse hover over the icon. It is a map service. Most of the documentation I have ...
2
votes
0answers
162 views

get all the possible parameters of sql view

I have a Geoserver layer coming from a postGIS database. Among other attributes, I have one that is related to the date data we've collected, called departuretime. We use this attribute to display a ...
0
votes
1answer
135 views

Openlayers: transfer from custom projection to map projection

I am building webApp with openlayers that contain a map that allowed insert edit and remove points, my map is now using “EPSG:4326" projection. I have shp files and xlsx files that contain polygons ...
1
vote
1answer
839 views

How can i turn off the minus to zoom control in OpenLayers while using OpenLayers.Control.KeyboardDefaults?

I have a map using OpenLayers.Control.KeyboardDefaults but I also have a form next to the map that acepts coordinates. As is stands pressing '-' for a negative coordinate does not type but zooms the ...
1
vote
1answer
104 views

Adding KML to OpenLayers as a textstring

I am trying to display a kml as a vector Layer. I have it stored as a Perl scalar variable but have also tried setting it as a javascript variable. I've tried to separate bits of code that I got from ...
1
vote
2answers
4k views

How to zoom to specific Openlayers point feature on map?

I'm creating website for divers in my country and beside all standard contents and informations it also offers a map which shows some diving clubs, locations and similair. I also have table with ...
4
votes
1answer
822 views

Implementing non-default keyboard shortcuts in Openlayers

Following on from this thread, I am trying to implement @Aragon's suggestion and add some keyboard shortcuts to OpenLayers via a handleKeyEvent method in OpenLayers.Handler.Keyboard. This ought to be ...
0
votes
1answer
1k views

OpenLayers create marker (feature with icon) from WKT

I have a point object WKT. Like this: POINT (25.04568 48.221548). Also I have an icon in my project folder. My goal is to show on a map an icon that represents a feature. Can it be just a normal ...
4
votes
3answers
625 views

More zoom in base layer in openlayer.

I have some GIS project to do, in this project I need to place something like 20,000 trees on a map. So I did a web app with .net that includes map that based on OpenLayers with bing base map. My ...
-1
votes
1answer
1k views

How do I parse complex json? [closed]

My json response: {"type":"FeatureCollection", ...
1
vote
1answer
461 views

ESRI World Light Gray Base Map JavaScript - Prevent zoom out no more than the full extent

It is my first attempt to use JavaScript and the ESRI products. I am using the World Light Gray Base map for my first web GIS application. I have a question about the map full extent method. I would ...
1
vote
1answer
378 views

WFS request with Openlayers; blank request

I'm having trouble to add a WFS layer over an OSM map. At first I thought that my data had a problem, and I thus decided to adapt one of the example on the Openlayers website. I have no error ...
1
vote
1answer
327 views

Get latest tiles from TileMill's tile server in Leaflet

My leaflet app gets the tiles from TileMill's tile server in the standard way: L.tileLayer('http://<myip>/tile/SteveCountryVic/{z}/{x}/{y}.png', { ... }); These tiles are often old, not ...
2
votes
2answers
1k views

How to determine intersection between geojson feature and given coordinates?

I'm overlaying a leaflet map with features of geojson, fetched with d3 and added as SVG elements to the DOM. My geojson contains too many features to render at once, so my goal is to add to the map ...
2
votes
3answers
865 views

How to visualize Google Fusion Table Map using JavaScript?

The simplest question. When you create a google Fusion Map with geographic data, Google provides you with an iframe link to display the Map on your website. But i need to display that information ...
0
votes
2answers
675 views

openlayers draw feautre(line, polygon) callback

I need to enable feature drawing functionality. Code: var drawingControl = new OpenLayers.Control.DrawFeature(someLayer, OpenLayers.Handler.Path); map.addControl(drawingControl); But I also need ...
3
votes
1answer
1k views

WMS Geoserver layer over OSM

I have a Geoserver with a layer in a EPSG:32632 projection. I want to display this layer over Open Street Map tiles. When I use the following html code: <!DOCTYPE html> <html> ...
0
votes
1answer
199 views

Suite SDK gxp Print plugin

I have problem with gxp print plugin. I create new sdk project suite-sdk create ~/sdk. Next I do everything from Problems with gxp Print plugin via opengeosuite sdk but there is another problem. But I ...
3
votes
0answers
185 views

OpenLayers and external CSS

I am using geoExt and OpenLayers to plot some map. Everything worked well until I had to add some styling. To display it on the webpage, I need to use the CSS of my university and once I do that, I ...
0
votes
1answer
303 views

Mapfile + OpenLayers: accessing the database by column names (hover, onclick functionality) without using MapServer templates?

What I'm trying to accomplish: take the functionality below (see picture) and do the same without using a MapServer template (if this is even possible). I currently have a mapfile, and an openlayers ...
1
vote
2answers
558 views

ESRI JS API - How to get event object from Draw Toolbar onDrawEnd

I am using the Draw Toolbar in the Esri Javascript API v3.4 and connecting to the onDrawEnd event using aspect.after(drawingToolbar, "onDrawEnd", drawEndHandleFunction, true); I am using the Draw ...
0
votes
0answers
69 views

MapServer Templates: Javascript function won't recognize [LONG] or [LAT]

Tested this in js console with a 'normal' variable and working fine: js function in map_header.html var toFixed = function(val, n) { var result = val.toFixed(n); if (result == val) ...
0
votes
1answer
490 views

GeoExt: Turning off layer title in legend

I am using GeoExt for my web mapping project. My web map includes a legend generated by GeoExt. Is it possible to turn off the layer title for a specific layer in legend? I am aware that there is a ...
1
vote
1answer
332 views

How to create a drop-down list of geoprocessing tasks?

I need to construct a drop down menu with each choice enabling a different geoprocessing task to run over my script. <select id="myList" onchange="environment()"> ...
2
votes
2answers
340 views

District border join in Google maps

I am developing a district editor for cities. The idea is that we divide the city into districts. I am using GoogleMaps, but any other js library is acceptible. Problem 1: districts are connected ...
4
votes
1answer
342 views

about token based authentication security

I am reading the authenticated services with token. I understand that a user have to get a token to using arcgis services. Example: https://domain.com/arcgis/rest/services/myMap/MapServer is my ...
3
votes
2answers
608 views

Google Maps Polygon to WKT

I need to convert a Google Maps polygon object (can has multi paths and holes) to wkt string (multipolygon) at client. Then i'll able to save polygon as geography in Sql Server 2012. I tried Wicket ...
0
votes
1answer
4k views

leaflet fitBounds with multiple marker

I have created two checkboxes. If I check one it will zoom to a point with marker. If I uncheck the checkbox the marker removed. Similarly second one is working. But I want to do if the two checkboxes ...
0
votes
1answer
69 views

Reference Error: selectZIP is not defined

In Firebug I keep getting this error when I try to click a button I made. <button type="button" onclick="selectZIP()">Execute</button> I declared a function called selectZIP in a .js ...
4
votes
2answers
2k views

How do I get that polygon from Javascript ArcGIS API?

I would like to have a user draw a Polygon (or Line) onto a web map with the Javascript ArcGIS API drawing tools. For the life of me I can't figure out how to pull that polygon from the client and get ...
0
votes
2answers
117 views

MapServer: Symbol color is set in mapfile. Is there a way to change it using javascript (ie not in mapfile)?

I have a mapfile where the symbol color is set to blue. In my html I have a hover event that brings a popup when the user puts their cursor over the symbol. Working as intended. Now on that same ...
2
votes
1answer
231 views

Add button to map

I know this is a a stupid and direct question. How do I add a button to a normal map? Example: http://developers.arcgis.com/en/javascript/samples/map_simple/ I'm finding a way to make a button ...
0
votes
0answers
986 views

Unable to dynamically locate map boundary coordinates in OSM/Leaflet

I have been trying for the past hour to take the coordinates of the map edge in a OSM/leaflet application I am making. While I can get the coordinates of the center, and I can get the coordinates of ...
1
vote
1answer
628 views

Conversion problems from mappoint to screenpoint using ArcGis Javascript API

I am getting a very strange problem when converting from mappoint to screenpoint. I am using the following code: var sp = esri.geometry.ScreenPoint(512, 151); mp = map.toMap(screenPoint); ...
0
votes
0answers
239 views

MapServer with OpenLayers: Map is Pink, Trouble Displaying Layer Correctly

Having trouble using a mapfile with an html/js file(openlayers) together. Have a working example but can't seem to replicate it. Can also view the gist of the 2 files here The piece of code in ...
2
votes
1answer
2k views

How to find direction points using Google Maps API 3?

I am drawing a route in Google Maps. I have passed the start point, way points and end points. My route is drawing correctly. I am using Google Maps API 3. request = { origin: originAddress, ...
3
votes
2answers
2k views

OpenLayers: Possible to show zoom level?

Been researching this for a while and nothing has come to fruition. Best I could find was: OpenLayers.Control.ZoomStatus = OpenLayers.Class(OpenLayers.Control, { autoActivate: true, element: null ...