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

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12
votes
2answers
4k views

OpenLayers alternatives supporting more client-side features

I am considering different architectures for a system that will ideally use client-side rendering for point features and must be plugin-free. I have been using this application developed in response ...
11
votes
2answers
533 views

Web-mapping with editing capabilities?

I'm embarking on a new web map project that seeks to display simple geometries (lines, points, polygons) and rasters/basemaps. Ideally, the map will also allow authorized users to add/remove/edit ...
0
votes
1answer
627 views

Purely client-side geocoding options for a webmap

I am creating a simple webmap that should be able to: Display external maptiles (any of the following: Cloudmade, Mapquest, Google). Overlay additional static layer in Geojson or KML format, that ...
1
vote
3answers
354 views

How can we improve the OpenLayers documentation? [closed]

I have difficulty understanding the documentation. Is it just me? Are there alternative sources of information?
0
votes
2answers
282 views

Examples of web-mapping for plantations

Is there any of you ever work to develop a web-mapping project for a plantation company? Or is there any such project published? If there is then : Can you point where I can see an example of the ...
2
votes
1answer
608 views

What is wrong with this Proj4 transformation?

I'm implementing support for WMS maps in my company's software. Servers return a list of projections their maps are available in, but our software only displays data in WGS84 (lat/lon or UTM), and ...
5
votes
3answers
223 views

GIS Application for online map and journey planner

I am planning to implement an online map application with journey planner for a city. I don't have any experience in GIS development but I have a few years of experience in Java development. So ...
1
vote
1answer
222 views

Mapnik server with Navteq Data

Is anyone here using navteq data for a GIS app? I'd like to work with navteq data and using mapnik-tilecache as a WMS server. The reason is, I use OSM data as well on my other server. And as the two ...
0
votes
1answer
256 views

What technology to use for an Interactive web map? [duplicate]

Possible Duplicate: Comparison of JavaScript mapping libraries? I need to build a custom interactive web map of my country with all it's regions (Peru). Which tool or technology would be ...
2
votes
1answer
194 views

Which Opensource products to use for Maprendering/Hosting?

I'm trying to setup a server for hosting maps for a gis application. The path I have taken so far is using an UBUNTU 10.04LTS installation. I'm using PostgreSQL 8.4 and PostGIS 1.5. I already made a ...
14
votes
8answers
9k 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
4answers
666 views

How do you solve the map publishing problem with Geoserver 2.1.1 on Windows 7 x64?

Well, my problem is that i have geoserver installed over a windows 7 x64 system with both java (JRE 6u29) x32 and x64 installed and i can't proyect my layers on the website. The preview on geoserver ...
6
votes
2answers
324 views

Memory considerations for cloud based GeoStack

Some time ago I asked about hardware considerations of cloud based GeoStack implementation. As a follow up to this question There are some good pointers in related question already, but they mainly ...
2
votes
1answer
262 views

Bounding box argument ignored when displaying raster using mapserver

I am trying to display a raster image with Mapserver using different bbox arguments in a mapserv cgi request. I have been trying to specify different bbox arguments to "crop" the raster display, but ...
4
votes
1answer
2k views

Changing the line color of a marker box using OpenLayers

I'm trying to figure out how to change the line color of a marker box in openlayers. I've been learning from the following example: <!DOCTYPE html> <html> <head> <meta ...
9
votes
3answers
579 views

How to create an interactive web mapping site with comment/rating system?

I'm trying not to ask something that's already covered by the other 'beginning web mapping' questions, but I want to do something that I don't see covered here yet. Maybe I'm just missing it. ...
14
votes
2answers
317 views

Toward a protocol for encoding vector data as image

This is a follow up to this question: How to create Vector Polygons at the same amazing speeds GISCloud is able to render them? In his answer, Yagi outlines a rationale for encoding geographic ...
22
votes
7answers
2k views

Examples of geovisualizations of global connectivity

I stumbled upon interesting visualization of global connectivity patterns: 'Major road and rail networks in Africa, along with transmission line and underwater cable data.' (Source, more ...
4
votes
1answer
433 views

Why is my polyline on the wrong bearing?

I am trying to overlay duplicate segments of polylines on a map via javascript. I am using latlon.js and geo.js from here The idea is that a user can input the distance they have travelled and when ...
3
votes
2answers
3k views

Is there a way to limit the overview map to a certain zoom level?

The OpenLayers overview map control works great when I use standard options. I would like to limit the overview to one resolution, but I can't seem to find the right combination of values for the ...
42
votes
8answers
7k views

How to create Vector Polygons at the same amazing speeds GISCloud is able to render them?

EDIT (outlining new bounty added): I have added the largest bounty possible to this question in hope of getting a very detailed answer. Your solution should outline a step-by-step guide utilizing open ...
5
votes
3answers
1k views

Developing Web Application For Map

I have huge data of maps usually most of the table are co-ordinates and the other are raster maps stored in SQL server 2008 and PostGres Server. I am using desktop application to analyse the data. ...
2
votes
1answer
1k views

Why would Openlayers always render over other divs?

I'm having trouble getting an Openlayers div to allow other divs to appear above it. Having tried the solution proposed here as well as the more classy-looking one here, I haven't had any luck yet. ...
13
votes
3answers
1k views

Best practices for visualising clustered features in web maps?

I'm looking for the best symbol to display clustered features in the ArcGIS Server JS API. I don't like the "fly-out" animated cluster symbol, as used in the Silverlight API clustering or the JS ...
1
vote
1answer
499 views

Live updating in tilemill/tilestream

This seems like a simple question, but I'm having trouble finding out the answer. I'm building a map in tilemill and using data from a geojson file. I plan on hosting it later using tilestream. Once I ...
9
votes
1answer
671 views

What are some great examples of information dashboards integrated with core GIS capabilties via the web?

I am tasked with designing a GIS information dashboard (think energy consumption, capacity, or any other measurable value across a campus). I would like to get a sense for what has been done well and ...
3
votes
1answer
312 views

Is there an open source directions webclient for pgRouting like the directions API from Google?

I am looking for an open source webclient with (Google) directions functionality (like draggable lines to create extra waypoints) based on an pgrouting database (with an osm2pgrouting topology). I ...
11
votes
8answers
2k views

What are the advantages of using Rails for a GIS/mapping application?

I've heard some good things about Rails, but I don't know much about it yet. There are only a few questions about Rails on GIS.SE (and there's not even a Rails tag). Is it worthwhile to learn about ...
9
votes
1answer
950 views

Crowdsourcing: Alternatives to Ushahidi

We all know that Ushahidi offers a versatile solution for crowdsourcing information and its effective depiction in maps. I am interested to know if there is any application(free and open source) on ...
12
votes
2answers
322 views

Is there a set of standard accessibility guidelines for online maps?

Recently I've been designing maps without navigation tools like the Zoom In/Out and Pan tools, or arrows to pan north, pan west, etc. Instead, most modern mapping APIs support the direct use of the ...
5
votes
2answers
1k views

Quickly create contour polygons from cost points using OSS for web app

This is related to a previous question I've asked: Create filled contour map with GRASS I've created a point layer using OpenStreetMap data and pgRouting's driving_distance() function, where the ...
5
votes
2answers
448 views

Reduce Tracking Data Set

I'm building an application that uses data from GPS units on board vehicles and displays it on a map. A lat/long is recorded every .5 seconds and a session can be many hours... this can add up to be a ...
9
votes
3answers
180 views

Web system for adding points and related information to a map

I have been asked to find/make a web-based system whereby members of the public can add a point to a map and then enter some details about it. I could make this myself but as it's such a simple ...
19
votes
5answers
1k views

Looking for a developer-friendly web gis

I'm a recent Computer Science graduate who prides himself in his knowledge of software development and problem solving, but has no idea how gis systems work. (Read: I'm a programmer) I've been ...
16
votes
4answers
4k views

How to create a simple front-end for a PostGIS database?

My organisation collects a lot of environmental monitoring data (stream flow, water chemistry etc.) most of which is currently stored in Excel. I’d like to get everything into a database – probably ...
3
votes
2answers
1k views

Is there a Web app for building GeoExt tree configurations?

I have a GeoExt application and looking for approaches for building tree configuration (in JSON format). Now tree configuration is made manually and looks like: var treeConfig = new ...
4
votes
1answer
2k views

How to use geoserver to display data on hosted website

I am using geoserver to display GIS data on my hosted website when geoserver is running I can see my data on my website in both firefox and Internet explorer but only on my laptop where I have ...
3
votes
1answer
534 views

Why does gdalwarp return incorrect corner coordinates for my geotiff?

I have a png source image that's in Lambert Azimuthal Equal Area and I have the long/lat extent. So I ran gdal_translate to create tie points and convert to gtif. Then I ran gdalwarp to reproject to ...
18
votes
7answers
3k views

What are my options for 3D web Maps?

I wish to have a Online 3D Map, which would show my Data, i.e both Raster and Vector, draped on a DEM that I have. Due to the requirements of using my own DEM & Raster data, Google Earth API is ...
37
votes
4answers
5k views

Why has Web Mercator (auxiliary sphere) become the web map standard?

I understand what the difference is between the Web Mercator projection and Web Mercator Auxiliary Sphere (WMAS). I also understand that both Google and Esri have adopted this projection as their ...
2
votes
1answer
311 views

arcgis server 10, vb.net add reference problems

i am using 'arcgis server 10' and 'visual web developer 2010 express'. now, i opened a 'web mapping application' then wanted to 'add a reference' to 'esri arcmap object library 10.0' it says: A ...
7
votes
5answers
225 views

What technique is used to acquire client location?

So far I know how to grab the client location to a application or web application by using the users geolocation or GPS location. I remember the possibility of finding the users approximate location ...
1
vote
0answers
225 views

arcgis server 10, vb.net, adding dynamic data

i am using arcgis server 10, with visual web developer 2010 express edition. i downloaded "ArcGIS_AddDynamicData_VBNet\Default_ADF.aspx" project form ArcGIS Add dynamic data for ArcGIS Server 10. ...
3
votes
4answers
2k 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 ...
10
votes
4answers
949 views

Completely Brand New to GIS - Help picking technology from the pros

I'm new to GIS and need to learn for an internship. I've been reading a lot and now need help picking technologies to use... particularly the map serving tech. Project Requirements - Free Web ...
3
votes
2answers
3k views

OpenLayers PanZoom control customization

I try to customize PanZoom control and have some questions. 1) What are OpenLayers.Control.PanZoom.X and OpenLayers.Control.PanZoom.Y constants? 2) Method "draw" takes "px" argument as input. I can ...
1
vote
2answers
321 views

How to project a map with mapguide

I am using MapGuide + Fusion for the basic Sheboygan-google example. I need to project the Sheboygan.MapDefinition to SheboyganMercator.MapDefinition so I can correctly display the example over google ...
3
votes
2answers
492 views

Tilemill (Carto) code for styling multiple features from a single layer

How can I more efficiently write this piece of code which aims to style two features in my streets layer (major roads and major road ramps) the exact same way. #tor_centreline [FCODE=201200] { ...
6
votes
2answers
2k views

OpenLayers tooltips

Please point me to examples of combining OpenLayers and any external tooltip libraries like this. I try to use native OL tools for building tooltips here, but they not flexible and customizable. ...
10
votes
4answers
249 views

Good introduction to INSPIRE?

Can anyone point me to a good introduction to the INSPIRE directive? I know it's basically WMS 1.3 with added bells and whistles but now I'm back in Europe I should probably find out what they are.