JavaScript is a prototype-based, object-oriented scripting language that is dynamic, weakly typed and has first-class functions.
0
votes
0answers
13 views
Apply styles to WMS layer
I am working with OpenLayers (and GeoServer) and I am showing a WMS layer with countries in a map.
Each object (country) in the layer has an attribute called NAME (the name of the country).
I created ...
2
votes
1answer
39 views
Problem with a large number of markers on an OpenLayers map
I have created a map using openlayers. On this map I place markers. Coordinates of the markers are taken from my database (sqlserver 2008), the quantity of markers is about 1500. The map is displayed ...
0
votes
1answer
22 views
Does leaflet support KML Ground Overlays?
I found an example showing KML overlays at http://harrywood.co.uk/maps/examples/leaflet/kml.html but it only plots vector layer using polygons.
Is there any way to plot Ground overlays of KML (like ...
0
votes
0answers
24 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
1answer
43 views
Different Styles Within Vector Layer
Is there any way to configure OpenLayers styling method? I have a vector layer and I would like to style the features depending on a value of a flag variables, so I can't use rules. Lets say I have ...
0
votes
1answer
33 views
problem with popup conclusion on pressing a marker
I have markers on pressing to which popup has to be brought. how to make it? (coordinates of markers undertake from a DB)
var map;
var markers;
function ejecutar() {
init(3);
...
0
votes
1answer
32 views
How to draw a line between markers in openlayers
how to draw the line between markers, coordinates of markers undertake from a DB. whether it is possible to draw in general lines between markers, I saw examples only with points.
markers = new ...
2
votes
0answers
40 views
OpenLayers crashes stock browser on Android 4.0.4 devices [closed]
Update: The issue appears to be with OpenLayers Release 2.13 dev. I mistakenly mentioned 2.12 as being problematic but have retested with no problems. Also, no problems with 2.13rc3
We're ...
1
vote
0answers
26 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
votes
0answers
33 views
Get attributes and geometry from a feature and convert it to a graphic in JavaScript
How can I get the attributes of a selected data (wfst) and push it into a grid? Can I convert this selected feature to a graphic?
Any idea?
2
votes
1answer
39 views
How to render iD editor-style streetmaps?
Is there a simple way to render OSM data (let's start with just streets and names for a single metro area) client side as nodes and edges like the new iD editor?
I'm comfortable with d3 but am ...
0
votes
2answers
45 views
ArcGIS javascript api - layer reordering - how to add new layers?
I am learning ArcGIS javascript API and wanted to make a reordering panel for my webapp. I looked through the ArcGIS sample.
but I'm stuck at addLake() function. If I'm understand the sample ...
0
votes
1answer
21 views
Multiple FeatureType in WFS Protocol
I would like to pass multiple featureTypes to WFS protocol in order to accomplish a search feature in my app. the idea worked just fine with one featureType, but now I need to add another one to ...
1
vote
1answer
32 views
Problems editing geometry in JS script using a find task in a web application
I've generated a javascript code to my app based on the sample "Show find task results in a DataGrid" of ArcGIS API for JavaScript and I am using editable layers (WFS-T) and it works, but when after ...
0
votes
0answers
47 views
where clause with multiple fields : Arcgis api for javascript [migrated]
I am tring to perform a query with three fields .I have three combobox,each one is populated with a field values.I want to query with the value selected from combobox for each field.I want to know how ...
2
votes
1answer
27 views
First time using ArcGIS JavaScript API - where do I find the JavaScript API to include (.js) into my solution?
I'm writing a web service that will interface with ArcGIS. One of the requirements is to put:
esri.config.defaults.io.proxyUrl = "proxy.ashx";
in the JavaScript portion of the page. Of course, it ...
0
votes
1answer
22 views
ArcGIS 9.3 geoprocessing service output consideration
I'm developing geoprocessing service which do few processes with geographic data. I would like to get somehow geometry of those data and use it in my web aplication (JS ArcGIS API). Now I'm wondering ...
0
votes
1answer
27 views
Dynamic data on overlay layer in openlayers
I am using openlayers to visualize an industry using image as the layer. On the raster layer I have created an overlay layer.Is it possible to show updated values (dynamic runtime values - as integer) ...
0
votes
0answers
14 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 ...
2
votes
1answer
43 views
ArcGIS JS - Missing “style” when printing dynamic layer
Im having an issue trying to get the url of the map being printed with a dynamic layer. WIth just tiled services and basemap it prints just fine.
// USED FOR PRINTING OF MAPS
function ...
0
votes
1answer
55 views
creating map not working
am following this tuto to create a map on web with geoserver, GeoEXT, EXTJs, and openlayers here's the linki downloaded ext 4.2.0, openlayers 2.12 and GeoEXT 1.1, when i try to show the map : ...
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, ...
0
votes
0answers
13 views
MapInfo8.0 is not letting me edit layers imported from the server? [duplicate]
I have imported 4 layerts from my server for use in MapInfo, when i went to edit these layers the edit tool for each of these layers is grey and non accessible.
Any suggestions would be greatly ...
1
vote
0answers
20 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 ...
3
votes
5answers
82 views
javascript WKB to WKT function
Turns out json ain't so good at transporting binary data. But with HTML5, XHR2 is now capable of transferring blobs cleanly. I'm looking to transfer binary geometry (to save bandwidth) and decode it ...
0
votes
0answers
48 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 ...
4
votes
0answers
36 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 ...
1
vote
1answer
36 views
How to upload polygon data for appending to a geodatabase via a JS API web application
After a many hours of research, I am having a hard time determining the feasibility of an application I am trying to build.
Basic proposed functionality is: user logs in, uploads polygon (either ...
0
votes
1answer
29 views
How to add offset to layer in OpenLayers?
As the title suggests,I have GeoJSON vectors on OpenLayers map where user should add X/Y offset (i.e 5 meters north,5 meters east).I plan to add some control for it.
Since vectors are drawn map with ...
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 ...
1
vote
0answers
66 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. ...
7
votes
1answer
128 views
Instructor led Web mapping development courses?
Hey guys I have been messing around with programing for a while now and have gotten proficient with Python and have some interest in HTML 5 and Javascript. I have recently received a request for an ...
2
votes
1answer
95 views
ArcGIS JavaScript API geometry service offline capabilities
Lately I've been going through ArcGIS JS API samples, but from what I've seen, it looks like all geometric functions always go through server, and use server side REST functions. There is no option to ...
0
votes
0answers
20 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
48 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
1answer
46 views
OpenLayers generate random polygon
I have a world map. I need randomly to generate polygons and render them on map.
I have no problem with rendering, but can anybody suggest how to generate polygons with random geometry? (I need n ...
1
vote
1answer
60 views
ARCGIS JS API map.centerAndZoom()
I'm trying to get the map to move and zoom in to a point when a function is executed. Point gets selected, but without zoom. Interestingly when I zoom in to a random location and then execute the ...
1
vote
2answers
39 views
simplify point geometry
I have a great amount of points and I need to show them on map. I am using OpenLayers. Is it possible to simplify point geometry in order to speed up the process of rendering?
0
votes
0answers
30 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
38 views
Polygon colors overlap when zoom in the google map [closed]
I have posted this question in StackExchange previously with a different heading, but did not got much response. Posting this time again with some more clarification.
I have implemented a google map ...
1
vote
1answer
66 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
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
34 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 ...
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
76 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 ...
0
votes
0answers
93 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 ...
-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
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
23 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
67 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 ...
