Tagged Questions

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

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0
votes
0answers
38 views

How to copy feature layer graphics

Is there any way to copy graphics from feature layer? More details: I have a map, where I retrieve some information from sql db and add a chloropleth map based on the values. Before adding them to ...
1
vote
1answer
63 views

How to convert EPSG:2163 coordinates to wgs84 in javascript

I'm currently testing a web app that calculates EPSG:2163 coordinates based on user interaction with a map created through d3.js. I wish to convert these coordinates to WGS84 in order to use various ...
1
vote
1answer
245 views

Adding CSV upload browse button to Ext.Action

I am trying to create a CSV File upload on GeoExt Map App. I need to place the upload function within the Ext.Action, so that I can add it to the toolbar of the GeoExt Panel. I am trying to implement ...
1
vote
0answers
38 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
1answer
33 views

Display mouse position from graph on a map

i need to develop a web application which shows a map, that displays a GPS Route. So far I can do this using Openlayers or ArcGIS Server. Now I want to add an interactive graph below the map. In this ...
11
votes
8answers
6k views

How to Create Animated Cluster Markers in OpenLayers/Leaflet?

I want to use Leaflet due to the smooth transitions which Openlayers seems like they can't match. I specifically require the ability to cluster markers with custom styled marker groups. The best ...
1
vote
0answers
17 views

upgrade from 1.3 to 3.3 javascript api for arcgis with jsviewer [duplicate]

I try to use jsviewer (v.1.0) in my application , but it doesn't work with JSAPI version uper than 1.3 . How can I work with both :jsviewer and the 3.3 JSAPI version? Thank you in advance
1
vote
0answers
70 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 ...
-3
votes
1answer
43 views

What is the best way to develop mapping app for analysis and queries? [closed]

I would have some polygons and points data, and I want to develop api which will allow users to perform analysis and queries like demographic data buffered 20km around some address etc. So, those ...
0
votes
0answers
84 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
26 views

Simulating Random Movement Google Maps [duplicate]

Hi i have a pair of longitude and latitude coordinates and i would like to make a marker move on a map the path that it moves should be randomly generated however i want the marker to move 1 km every ...
0
votes
0answers
21 views

OpenLayers is not adding marker to my map

I have an OpenLayers map and I create it using a JavaScript function. I then have a button which when pressed calls another JavaScript function which has code to add a marker to the map. For some ...
4
votes
1answer
64 views

Openlayers/Proj4js not transforming coordinates the first time

Something seems to be going wrong with my transformations. Before I added proj4js, transforming a coordinate went fine: new OpenLayers.LonLat(-1.0, 52.0).transform(new ...
1
vote
0answers
40 views

CQL Filter on WMS [duplicate]

I have CQL_Filter which filters WMS layer and displays only the points I asked for, The problem is that all features even the hidden, keep showing its popup when I click on their spot. So, as I ...
1
vote
1answer
37 views

openlayers point intersection

For example, I have 2 points and I want to know if they intersect. If yes, I need to delete first points. Should I use OpenLayers .intersects method? Because it greatly depends on zoom level. Or ...
3
votes
4answers
4k views

Why is this ExtJS combo box not filtering?

I am trying to place a combo-box in the top of my web application which will search an internal WFS from Geoserver. I am using the combo-box so I can have the "type ahead" functionality which I think ...
2
votes
1answer
60 views

URL “ http:// <mygisServer>/ArcGIS/rest/service/GPTask/MapServer/jobs/<jobid>” not found in the ArcGIS Server?

I am Using ArcGIS Server 10.03 SP3. I created a geoprocessing service in the server which returns a result map service. I successfully created the gp service and map service with same name. I need to ...
5
votes
1answer
113 views

Possible ways to display maps offline, inside mobile hybrid app

I want to develop a mobile hybrid application to run on both Android & iPhone devices in which i want to display my own map data. I have the SHP files with the data i need. I have Geoserver and ...
0
votes
0answers
51 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 ...
7
votes
3answers
128 views

CORS issue ArcGIS 10.1 IIS (Cross Origin Resource Sharing)

I have ArcGIS 10.1 installed with the web adapter for IIS. I've added a config file to the root of IIS7 to enable Cross Origin Resource Sharing (CORS) as per this page. I've pushed the cors enabled ...
0
votes
1answer
63 views

ESRI JS API - don't trigger onClick event when panning Map

I have a custom onClick handler for my map that is meant to add a point wherever the map is clicked. I'm finding that this function is triggered even when I click the map to pan. Is it possible to ...
0
votes
0answers
66 views

OpenLayers map not showing on my JQuery Mobile site

I have an OpenLayers map which is suppose to be made using variables from a PHP array once a button is clicked on my JQuery Mobile site. For some reason however, it is not showing on my page when I ...
0
votes
1answer
139 views

How to draw straight lines inside google map polygon [closed]

I have created a google map using google map javascript API V3. I am drawing number of zipcode polygons. The polygons are of different colors depending upon some condition. Now I want to draw straight ...
5
votes
2answers
112 views

How to find the nearest land mark from a given longitude and latitude?

I have a table called osm_places with place_name geometry, place_type and many other info related to the city. My database system is PostGIS. My requirement is: Given a latitude and longitude ...
1
vote
1answer
51 views

Create buffer around point in LeafletJS?

I am using LeafletJS. I want to create buffer around point. after Selecting a point buffer radius will be specifed by user in feet. After searching of awhile I found this link of JSTS. does JSTS ...
2
votes
1answer
107 views

call child div function from parent (not using window.opener)

This is a a Javascript/JQuery question that is directly related to the ArcGIS Javascript API... I have a map div created using a 'data' tag in HTML, which becomes visible on a button click. (I'll ...
5
votes
2answers
213 views

Moveable ESRI / ArcGIS Identify Popup Window (Dojo)

I'm trying to get a popup window that identifies a location to be moveable. My code is similar to the API example: var popupOptions = { fillSymbol: new ...
0
votes
0answers
33 views

How do I create an openlayers image layer using a layer already loaded?

so I am trying to add an image layer after using javascript's img.load. I use this because I want to check some things with the image first. Then I want to add it to my map. My issue is that I do not ...
1
vote
1answer
54 views

How do I create a basic image layer as a base layer in OpenLayers?

I'm trying to create a map using OpenLayers which uses a png image as a base layer but I'm having a bit of trouble. I'm not too familiar with OpenLayers as I have only come across it today and thought ...
5
votes
1answer
217 views

Unclear on proxy used for AJAX in Javascript

I do understand how the proxy helps in transferring the XMLHttpRequest between the ArcServer and the Server (IIS/Apache) but where I am confused is that the first time the Html Doc loads, doesn't the ...
0
votes
0answers
47 views

Dojo Gantt Chart doesn’t work properly wqith ArcGIS API 3.3

I am using a Dojo Gantt Chart in ArcGIS javaScript API3.3. and it seems that it does not work properly with the API3.3 popup menu which appears when you hover over the task or project; it pops up too ...
1
vote
0answers
40 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
1answer
548 views

How to geocode addresses from MySQL and add them like markers to the Google map?

I'm using Google Maps API and Google Geocoding for geocoding addresses. I have table named 'users' and column named 'location' in MySQL database. Column 'location' contains addresses. I need to ...
1
vote
1answer
78 views

OpenLayers OSM layer

I need to define an layer in OpenLayers just showing world map. The most simpliest variant is to create OSM layer. When I do like this: var layer = new OpenLayers.Layer.OSM("OSM"); ...
0
votes
1answer
107 views

openlayers how to get feature info on form submit?

I have an OpenLayers pop-up with a form on selectFeature (WFS-T). Can I recover the feature.attributes in the form's onSubmit? e.g: the form in the popup var content = '<form ...
0
votes
1answer
92 views

zoom to extent of several vector layers

I'm trying to zoom to the extent of several vector layers data. I've tried to create a new OpenLayers.Bounds bounds and to add a 'loadend' for each OpenLayers.Layer.Vector to increase bounds, but ...
1
vote
1answer
399 views

CloudMade Routing with Leaflet: route is not displayed

I am trying to consume the CloudMade routing API using Leaflet. So far, I have managed to pass points and receive a response, and parse that response into an array of points. The array of points is ...
0
votes
1answer
104 views

Center a selected point on map. Openlayers + Geoext1 + ExtJs3.4

I've got an ExtJs combobox next to the map with several points of the map that are provided from a Postgis database through Php/XmlHttprequest. At the same time I've got a map with all points ...
2
votes
1answer
190 views

ESRI Javascript API Export to Shapefile and CSV

I am working on a Javascript Web Application using the ESRI Javascript API v3.3. My application allows the user to edit and query data and also provides a table for attributes. I would like the user ...
1
vote
2answers
205 views

Spatial query in ArcGIS Javascript Api 3.1

I have scenario in which I have to select features drawing a polygon and and get the attribute values in to a tables or lists.The features on the map consist of polygon, line,point at the same time so ...
2
votes
2answers
731 views

How to trigger a hover event for map graphics in ArcGIS Javascript API?

I want to trigger an event when the user hovers over a geometry that they drew. I know how to set up hover events for DOM objects, but not for graphic elements within the map window.
0
votes
1answer
173 views

Javascript library for converting MGRS to Lat/Lng

Is there a JS library that converts MGRS to LL? I have found one that converts Lat/Lng to MGRS, but nothing that converts MGRS to Lat/Lng. Someone asked this question in the past, but the answer was ...
0
votes
0answers
46 views

Why does Openlayers loadend event run twice?

Openlayers loadend event run twice on version 2.10. See my code: layer.events.register("loadend", layer, function() { //Do something }); No answer on openlayers docs.
1
vote
2answers
125 views

Can anyone point me to good development environment in linux for client side search with flex or javascript?

I want to create a client in mapfish, and/or opengeo, using open layers, maybe cartaro and would like to play in a development environment using flex or javascript. I need to take my data, make it ...
1
vote
1answer
73 views

Arcgis Server - Highlight Identified Features

I am identifying features from an ArcGISDynamicMapServiceLayer All the sublayers can be toggle on/off and when identifying, only the visible layers are queried/returned. Below are the initIdentify ...
0
votes
0answers
132 views

create polylines with different colors in leaflet

I have one function which creates poly line & adds that polyline to map function makeRoute(e) { if(pointsSelection.length > 0) { pointsSelection.push(e.target.getLatLng()); ...
3
votes
1answer
211 views

How to draw line by scratching on map using OpenLayers?

Is it possible to draw line by scratching on the map using OpenLayers? I tried some examples, all the examples are drawing by clicking. I want to draw by scratching, just like drawing in normal life ...
2
votes
4answers
4k views

How to use Google Maps V3 Geocode with Openlayers

How to use Google Maps V3 Geocode with Openlayers. Below is my code but the function does not execute when I try to integrate it with Openlayers. This works with my original google v3 file. Below is 2 ...
1
vote
0answers
147 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
2answers
283 views

How to use Leaflet marker clustering with image map only?

I have image map of one state, where I would like to put about 100 markers. Is it possible to use only one image map instead of CloudMade tiles Leaflet usually uses? So, I need only that image to be ...

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