"Web mapping is the process of designing, implementing, generating and delivering maps on the World Wide Web ..."

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0
votes
1answer
152 views

How to overlay a TMS with a GeoTiff for querying in OpenLayers?

I'm using OpenLayers to display a set of TMS tiles I have on my webserver. Plain and simple, I was wondering how I would go about overlaying a set of GeoTiff files I have over the tiles so that when I ...
0
votes
1answer
19 views

Controlling map details shown using Leaflet and MapBox

I am building a map based chart using Leaflet (with MapBox). I would like to know if there is a way to control the level of details displayed on the map when zooming in. For example I do not want to ...
0
votes
1answer
16 views

Pre-load tiles in OpenLayers 3

I need to preload images (.png) / tiles in my own source: new ol.source.XYZ ,which can it run fast to move and zoom in mobile devices. I used ...libs/ol3/3.7.0/ol-debug.js and as urls: urlArray ...
1
vote
3answers
101 views

Accessing NOAA web service with token

I recently requested a NOAA "token" to access their data. However, I keep receiving a "Token parameter is required" 404 error. Here is the URL I am using (note token is not the real one): ...
136
votes
18answers
53k views

How do various JavaScript mapping libraries compare?

I am working on a web-based mapping system and I'm trying to figure out the best/most appropriate library to use. There are a few of them about and they each have pros and cons. Even after trying a ...
0
votes
1answer
256 views

Adding comments using leaflet draw

I am working on an application that will leverage the leaflet draw plugin so that a user can open my map and drop comments in the form of markers. Then the user can click submit and it will serve me ...
1
vote
0answers
12 views

Web map linked to database that shows one spatial location at a time

I have a simple database with a record for each research project that occured on a national forest. Each project area is associated with a polygon, and there are around 200 polygons that are piled ...
1
vote
0answers
11 views

Leaflet Markercluster and Timeline in sync

So I have been trying to figure how to use the markercluster and timeline plug in in sync to show a temporal animation of points. As some of the point data overlaps a cluster is needed to be able to ...
0
votes
0answers
13 views

Online libraries relocation. [on hold]

It just came to my mind now that since when developing web based application we use online libraries, we reference to them, is there a chance (if it makes sense) that those libraries be relocated to ...
0
votes
1answer
28 views

Add REST map service to basemap

I have created a JSON file which includes 30 map service layers and their attributes. This includes the map service url. My function creates a table of contents from the JSON object so that when I ...
-1
votes
0answers
28 views

Dynamic legend openlayers3 [closed]

Since 3 days im trying to make a function in openlayers 3 to recalculate my legend with the data at the screen and not the data of all the maps. The website http://datashine.org.uk/ get this function, ...
0
votes
0answers
6 views

How to get a copy of the raw photo from the Mapillary app (at iOS)

@fastmultiplication asks same question for Android app, "How to get a copy of the raw photo from the Mapillary app" but I want to know same solution of iOS app. I want to access raw photos of ...
33
votes
6answers
13k views

Alternatives to ArcGIS Online?

I am considering purchasing ArcGIS Online for a group of users who currently use about 5% of ArcGIS capabilities (ArcMap, simple map creation and information display) about 80% of the time. Primary ...
0
votes
1answer
203 views

What projection to use with Mapbox base/reference layers?

excuse me if this has been asked before, but I can not find answer after heavy googling. What coordinate system/projection does shapefiles need to be in to be alligned correctly with mapbox reference ...
0
votes
1answer
503 views

How to install MapServer on IIS 7.5 with windows 7 OS

I want to use the map server in my asp.net application. For that one, I need to install mapserver on IIS. I am using windows 7 with 64 bit os. I have IIS 7.5 installed on my PC. Can any one help me ...
1
vote
1answer
16 views

Trouble Installing GriB extension to Geoserver 2.7.1.1

I am trying to add GriB reading capability to my Geoserver distribution (version 2.7.1.1, build date Jun 26, 2015). I am trying to use the plugin archive found at ...
0
votes
1answer
233 views

Geomedia WebMap WFS to vector marker layer in Openlayers

Looking for minimal example/advice on getting a WFS service to show up as a vector layer with markers/icons in Openlayers map. I have created the WFS service in Geomedia WebMap 6.01.11.19 and the ...
1
vote
1answer
20 views

Which web maps works best for which web service

Im trying to do a project , where i grab data from mySQL database, and display it onto a web map api mashup (showing a chart on the map). I want to develop an example using REST, SOAP and possibly ...
4
votes
3answers
76 views

How to use Python for online GIS? [closed]

I consider myself a GIS expert, and I have successfully completed many GIS projects for clients. I am proficient in spatial analysis, ArcGIS, QGIS, and quite good in Python as well. However, I am only ...
0
votes
1answer
23 views

CartoDB, a CMS for maps?

I test cartodb with some data and I found it very useful. I found this instructions for installing cartodb locally in github What is CartoDB? and I try to understand if cartodb is a CMS for maps. Is ...
1
vote
1answer
22 views

Clip & save layer using OpenLayers 2

I ma currently developing a web mapping app. How do I make it possible for my app to clip and save area of interests or area I am working on. I can create a vector layer, modify it and delete if I ...
0
votes
2answers
390 views

How to label GeoJSON polygons from properties using openlayer 3?

I have a working script to show GeoJSON feature and style them by properties/attributes. But when I tried label the feature browser said 'feature is not defined'. Can anyone help with a working label ...
4
votes
2answers
116 views

Batch create Leaflet webmaps in QGIS

During a project on the spider fauna of Greece, we have to face the design of distribution maps of the species. A good tool to work with is the design of Leaflet webmaps to be used on the website ...
6
votes
4answers
951 views

Consideration for a Good Silverlight based mapping application

I am starting to work on a Silverlight 4 based web mapping project using latest ArcGIS Server API. The application will involve multiple map services (for many themes) with selection, queries, and ...
1
vote
0answers
16 views

How to use an ArcGIS Server globe service on the web?

I created an ArcGlobe document containing a 3D multipatch building... ... then published this to ArcGIS Server as a Globe Service. The help page Displaying data from a globe service says: ...
0
votes
1answer
37 views

What tools are available for Public Participatory GIS (PPGIS)? [closed]

Public participatory GIS is going to be one of the most important part of GIS in my view. I would like to ask you all, what are available tools/platforms for not just basic web mapping? I'm user of ...
75
votes
22answers
19k views

How to Start Web Mapping?

I want to start working on a web map at work to map some of our statistics by city. I have an idea, but I'm not exactly sure where to start. Are there any definitive resources that provide step ...
0
votes
0answers
19 views

Leaflet controls: onAdd() -> “ready” event

I've got a custom control for Leaflet (0.7.3) that uses L.DomUtil.create to generate its own HTML in the onAdd() function. Most of its bootstrapping happens in onAdd(), but I need to do some final ...
0
votes
0answers
18 views

Size mapfile chart element by absolute value of column value

I have a mapfile with pie charts of the relative proportions of a variety of parameters pulled from a table. In some cases the values are negative and I would like to make pie charts of these ...
1
vote
0answers
19 views

Web Cartography how to, cartodb - mapbox

I have to prepare an online map like the following http://www.oikoskopio.gr/map/ but I dont know what programm they use. Can I do something like that with cartodb or Mapbox; With this services you can ...
1
vote
2answers
4k views

How to configure Proxy.cgi file for Geoserver On Tomcat?

I have a web map application in my local machine(windows xp and dont have IIS) and I have postgis data in Geoserver on Tomcat (Ubuntu). To get the WMSgetfeatureInfo, I have configured the proxy.cgi ...
6
votes
7answers
838 views

How to put zipcodes data onto a web map?

This is to create a cellphone coverage map. I'm being given a list of zipcodes and need to create a detailed static cellphone map (plus, ideally, an interactive zoomable map) of cellphone coverage ...
1
vote
1answer
256 views

How to use OpenLayers Geolocate with the OpenGeo Suite Client SDK?

I’d like to have GPS functionality added to my OpenGeo Suite Client SDK application. From what I understand it should be possible to use the Geolocate control from OpenLayers. Preferably there ...
0
votes
0answers
15 views

What are key methods for interactivity between web mapping and associated websites

I need to know what the key methods are for linking a slippy web map to the website on which it resides. (This isn't a simple question about displaying a map - it's about the more subtle interactivity ...
0
votes
2answers
46 views

How to transform EPSG:3857 to tile pixel coordinates at zoom factor 0?

I'm creating a Leaflet map with an WebGL overlay (using L.CanvasOverlay) which renders a street network on the GPU. Let's assume I have a point (1497143.62, 6896952.18) in EPSG:3857 and want to ...
2
votes
1answer
36 views

Network Diffusion Map

I am working on an interactive map which I vision to have a similar structure to diffusion networks. I have data to pin point an event and I would like to show those involved with said event, and ...
1
vote
2answers
35 views

Is it possible to export layers scale-based visibility to a webmap?

Is it possible to make or convert a QGIS map into an interactive webpage map? For example, I have layers that appear at certain zoom levels, is there a way to have that interaction on the map for ...
0
votes
1answer
438 views

Error code 500, error performing execute operation from Print task of ArcGIS API for JavaScript?

I'm trying to use print task to generate a PNG or PDF file of my web map but i always get an Error code 500, error performing execute operation. Any Ideas? I'm using ArcGIS API for JavaScript ...
3
votes
1answer
185 views

Leaflet change color dynamically

I am new with leaflet and I need help to change the color of a polygon on a choropleth map dynamically. In my website I have an slider, and depending on the position of the handle, the colors of the ...
12
votes
5answers
4k views

Are there open-source alternatives to ArcGIS online that can be hosted on my own server?

I know this might be too broad topic. But I am looking for web-GIS portal similar to ArcGIS online that is self-installable (configurable) to be hosted in my private server. The main features should ...
5
votes
6answers
3k views

List of Map Service Software

I am curious as to what GIS server software is out there. I have used a few different ones and am building a list of them. If you know of any others please mention it below because I would like to ...
0
votes
1answer
77 views

Leaflet MarkerCluster custom info window instead of spiderfy effect

So I have been experimenting with the Leaflet Marker Cluster and was wondering if there is a way to disable the spiderfy animation and change the event when cluster is clicked on? Instead the clicking ...
2
votes
2answers
303 views

Create a web application with ArcGIS Server

I have a question about ArcGIS server: I want to make an application for users who can search for proper houses, like a house-finding engine, and I published my map to ArcGIS Server but how can I ...
0
votes
0answers
12 views

How to render visualizations for geospatial objects (the way QGIS does it) on web interface for end users, from PostGIS database? [duplicate]

I have existing geospatial objects in PostGIS. I can visualize it using QGIS. But I want to render these visualization on a web-interface for my users as a result of some queries in the database. I ...
5
votes
1answer
673 views

What is the Market share for open source web-GIS systems?

I would like to know the market share of 3 web-GIS systems, deegree, GeoServer, Geomajas). Which one is more popular? Are there any evaluations regarding the market share of open source web-GIS ...
2
votes
0answers
66 views

Google Maps directions link doesnt work properly in the Explorer for ArcGIS mobile app?

I have an AGOL web map for finding beach accesses in Florida. Within my pop-up I have a Google maps link to get directions to the current access. Everything works fine on desktop, but the directions ...
1
vote
0answers
30 views

Error Opening WMS Maplayer: URLError: <urlopen error [Errno 10060]

I receive the error: URLError: <urlopen error [Errno 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection ...
0
votes
0answers
19 views

feature class cannot be displayed on a map

I'm running ArcGIS server 10 on windows 7 machine. I'm trying to develop a web application using Silverlight and c# in Visual Studio, but when I execute the application in the browser, there is only a ...
5
votes
4answers
4k views

Why is there a small white space between tiles in Chrome?

I'm using openlayers to display a google base-map layer and it works fine on Firefox/IE/Safari. I'm having problems with Chrome as the tiles have a small white space between them shown in this image. ...
1
vote
1answer
50 views

Display tile grid borders with leaflet (visual debugging)

I'd like to have the tile grid borders displayed on a leaflet WMS Layer in order to see which areas are requested as separate maps. On top of that it should be possible to overlay a border to the ...