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

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Adding controls to OpenLayers maps - is this good code

I have multiple OpenLayers maps, each map gets a subset of controls that I use across all maps. In the past I have added controls in the traditional way, for each control. var control = new ...
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34 views

ArcGIS API for Javascript - InfoTemplate on a polyline

I have a web map with a few points and a single polyline. I have infoTemplate(s) attached to the points and tried to replicate this to the polyline however, I can't get it to work. I looked on the ...
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44 views

Geocortex Viewer: Running a Workflow with Arguments

I have a webpage with the Silverlight Geocortex Viewer embedded in it. Through the browser's developer console, I can run commands through it such as ...
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245 views

How can I get all the latitude, longitude coordinates/points inside a rectangular polygon drawn in google maps?

Google maps lets you obtain a valid address by clicking on houses or buildings one by one, but it would be much easier if you could draw a polygon on the map and get a list of all valid addresses ...
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1answer
50 views

FME Server API - Retrieve Output file as a URL

I have a FME Server web workspace converting a file from SHP to KML, once it runs it outputs a kml file, I need to be able to take this file and drop into my web API google Map. Is there a way to ...
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22 views

Map Route Direction Zoom to Segment

Basically I am trying to zoom to certain route segment when getting direction on OneMap. Here is the JavaScript codes where I trying to plot a route and zoom to certain route segment: function ...
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0answers
32 views

Plotting a Route on Google Maps using a string passed to a function as a parameter

I'm trying to plot a route, using Google Maps. I need to be able to pass a string to the function, to build the Polyline. I can do the following and it works fine: var flightPlanCoordinates = [ ...
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14 views

Function that returns the coordinates of the searched address

I'm using Java and GMaps4JSF to make an application where the person pesquisaum address that address is displayed on the map. As the code below, but I need to create a javascript function that ...
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43 views

How to use Javascript Esri map as GPS Tracking?

I have an android application that get the gps coordinates of the device and stores it in a remote mysql database. I want to use ajax to display the coordinates in a javascript api using esri. I just ...
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25 views

Finding adjacent tiles in Google Maps

I built a NodeJS API that returns locations and returns paths and stores them locally in MongoDB for fast responses. Also another part of the API is that it returns compositions of tiles ...
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2answers
60 views

Adding multiple layers with timed delay in Mapbox/Leaflet

So I've got a Mapbox map showing data split into several layers. I'd like the user to be able to click a play button to call the function "gogogo", and then the layers get added one at a time every 1 ...
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2answers
50 views

ArcGIS Javascript API: Get Map Object from DIV

So I am currently writing an application using the ArcGIS JavaScript API, and I want to access the map object that is held inside of my div from a js module I have. I was thinking it would be a simple ...
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242 views

dojo/parser::parse() error TypeError {stack: (…), message: “Cannot read property 'toString' of undefined”}

I'm trying to get the overview map example working from here: https://developers.arcgis.com/javascript/jssamples/widget_overviewmap.html in my site. I have two errors. Chrome gives the one above in ...
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1answer
81 views

Leaflet rendering TileMill tiles in the wrong order

I'm stumped, and quite a lot of searching has turned up nothing helpful. I'm on the first step of what will ultimately be a map with three raster layers and three layers of markers (with controls to ...
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1answer
32 views

How get the link or file from uploads forder of feature service arcgis

I have succeeded in adding a file to arcgis server with the upload method of a feature service on arcgis server. But i can't see how to download what i have uploaded to. Do you have any idea on how I ...
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14 views

applyEdits method and File on arcgis feature service

I would like to know if it's possible to upload a file through the applyEdits method on a feature service? I have an Oracle database with a parameter "DOCUMENT" of type BLOB. I would like to upload ...
2
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2answers
52 views

How to insert coordinates to url

What would be the approach to show and dynamically update the map coordinates in the url like stamen is doing it? Are there any built in functions in OpenLayers, what other techniqes could I use or do ...
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0answers
32 views

Leaflet - Enable/Remove popup on mousedown/mouseup?

I'd like to do as the title suggests and can get the popup to appear on mousedown with the following code, but mouseup doesn't close the popup: // Quick look at info on mouse hold ...
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17 views

Which are the differences between using javascript openlayer and gwt-openlayer API?

I am about creating a web app which should use openlayer API, but I would like to use GWT too. So I have the following questions: Is it the same to use GWT-openlayers API in terms of functionality ...
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1answer
33 views

ArcGIS API for JavaScript - Adding Point(s)

I need to add a single point, I am new to JS and ArcGIS API. I was looking for some code examples on how to create a point and/or a few other points (as needed) I can't use any additional ...
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1answer
34 views

How to get the TOC to update after adding a new Layer in the ESRI JSAPI?

I am developing an Web map with the ESRI's JavaScript API v 3.9. I am using the TOC widget available at http://www.arcgis.com/home/item.html?id=9b6280a6bfb0430f8d1ebc969276b109 The documentation ...
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1answer
50 views

How to fire .NET code in my ArcGIS application from javascript?

So I'm developing a .NET desktop application for ArcGIS in VB. As a new part of the application I have developed an SVG / Javascript map as a 'loading screen' where you select your dataset to load ...
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1answer
36 views

How to forbid zoom map under scroll page?

I wrote code at ArcGis JavaScript. There is a map on web page at full display with a fixed height (400px) When i scroll-down page and cursor misses in zone map then browser works for zooming map, not ...
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1answer
79 views

Leaflet Custom Control Fails

Why does the myMenu control not respond to a click? var map = L.map('map').setView([51.505, -0.09], 13); L.tileLayer('https://{s}.tiles.mapbox.com/v3/{id}/{z}/{x}/{y}.png', { maxZoom: ...
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1answer
70 views

Is there a way to know if an error occurred while loading a WMS layer, in OpenLayers 2?

First of all, I already asked this question in stackoverflow. I don't want to spam by asking again here. But I think the question fits better in gis.stackexchange. I am sorry for the replication. Feel ...
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1answer
101 views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
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29 views

Trouble adding tabs in identity popup JS API

May 28 Edit I have edited my code a bit and have come up with a fix to the tab container, however I am now having troubles getting my attributes to show when I click on one of my service layers. ...
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1answer
53 views

Map generation failing with Kartograph.js

I am trying to generate a very simple map using kartograph.js. But some how my code is not working. <html> <head> <script src="jquery-1.8.3.min.js"></script> ...
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37 views

Call a service web from a ComboBox using JavaScript

I want to call a web service and use it in combox for search. Here is the function that i used to call my service web: var xmlhttp = new XMLHttpRequest(); var url = ...
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54 views

How to combine three data extraction functions into one button?

I am looking to simplify my code. As of right now I have some code that allows users to extract GIS data in three different ways: Extract by drawn extent Extract by extent of the a county Extract by ...
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1answer
31 views

Passing RasterDataSource object to RasterData object in Javascript API?

I have a GP service that requires a RasterData object as input. The RasterData object should hold a RasterDataSource object, but I'm not sure of the syntax to connect these two classes. The API ...
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1answer
70 views

Modify the Zoom Buttons in ArcGIS.com JavaScript Application

I'm writing a JavaScript application to view web maps from ArcGIS.com. It is similar to the sample found on Esri's Samples page: http://developers.arcgis.com/javascript/samples/ags_createwebmapid/ ...
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51 views

Using postgis functions in ArcGIS Server 10.2 for Layer Definition Query

I asked the previous question Using PostGIS functions in ArcGIS Desktop for Layer Definition Query? And got an excellent answer. However this covered ArcGIS Desktop. In 10.0 it seemed that if I got ...
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0answers
38 views

Openlayers filter strategy on wfs deactivate problem

I have a filter control which works nicely. However, when I try to reset/remove the filter, I don't get the original features back. The debugger shows my features array as still only being the reduced ...
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2answers
53 views

Add an individual layer from ArcGISDynamicMapServiceLayer to the map

I have a ArcGISDynamicMapServiceLayer containing many layers. I'd need to add only individual layers to the map, like layers 2,5 and 10. The following code would add all the layers to the map: url = ...
0
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1answer
108 views

Calculate distance and surface with mapbox api

Is there a way to draw lines and polygons (with geojson) and calculate distance and polygon surface with the mapbox api or leaflet? I wish to have the same tools as in geojson.io with the extra ...
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0answers
22 views

feature position on non-Geo-referenced Image

I use OpenLayers to show Map , when im creating the map, i want to show map image with an ImageLayer and VectorLayers, the image is non Geo-referenced. The use case: i receiving a map image url from ...
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0answers
72 views

Print OpenLayers map with osm as background and all the vectors

I looking for an answer for a while, and i could not find a working solution. I am trying to exeport the OpenLayers map to some file - image or pdf, and i need all the background, include OSM and all ...
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0answers
87 views

How to drag a feature in Open Layers 3

I'm trying to replicate something that was fairly easy in Open Layers 2 in Open Layers 3, which is: dragging an existing feature to a new location on the map. In Open Layers 2 I just added a ...
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0answers
13 views

Make InfoTemplate moveable but still highlight attributes

I’m using the esri/InfoTemplate in the Javascript API to identify features. However, it gets anchored to the mouse click and cannot be moved around. Based on this answer I used dojo/dnd/Moveable to ...
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53 views

Land Parcel and JSON Data with onclick event

I currently am working on a school project and have been introduced to javascript with little knowledge. What the project entails is a webapp of land parcels that contain information about each one, I ...
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1answer
59 views

Openlayers - ModifyFeature - How to label vertices with a progressive number

Apologize in advance as I am quite new in openlayer and javascript. I have a control ModifyFeature on a path vector layer. I would like the vertices to be rendered with a stylemap label showing ...
4
votes
1answer
82 views

Show markers only at certain zoom levels

I'm building a cycle touring map in leaflet.js, with subjective information overlaid as markers, along the lines of "this is a great road", "this town is quite nice" etc. To avoid information ...
1
vote
1answer
128 views

Function to add layer with button click

I'm working with openlayers and geoserver to create a map and overlay layers. I need to add a layer when a button is clicked, but what I get is that the layer is added ( i can see it through the layer ...
0
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0answers
32 views

web map with arcGIS for server and javascript?

How would I go about creating a feature layer from Arcmap, and saving it as a service to arcGIS for server, which I could call from javascript API, so the web map will provide user interaction. For ...
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1answer
72 views

Infowindow split string by comma

I might have went about this the wrong way, though I thought it may be a good idea to ask before starting over again. I have a picture column in cartodb which has multiple picture ids separated by ...
2
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1answer
294 views

openlayers - export map to canvas problem

I am trying to make a export control to export the map as image file. I found this example: http://dev.openlayers.org/sandbox/camptocamp/canvas/openlayers/examples/exportMapCanvas.html so i added the ...
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2answers
52 views

queryTask - execute vs executeForIds

When setting up a queryTask, what's the difference between queryTask.execute() and queryTask.executeForIds()? In ESRI's JS API Reference, they have the exact same descriptions: ...
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1answer
133 views

TitlePane not rendering - working with basemapGallery sample code 2

I'm having the exact same issue as this question: TitlePane not rendering - working with basemapGallery sample code but the solution doesn't work for me. my javascript: ...
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0answers
24 views

Is there a way to create a named symbol in OpenLayers composed as either a multi-dimensional array or as a MultiPolygon?

OpenLayers provides a minimal set of "well-known" shapes which can be used as point icons: /** * Constant: OpenLayers.Renderer.symbol * Coordinate arrays for well known (named) symbols. */ ...