"Web mapping is the process of designing, implementing, generating and delivering maps on the World Wide Web ..."
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
4answers
555 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
271 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 ...
1
vote
1answer
192 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
1k 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
416 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
272 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
1k 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
298 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
2k 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 ...
35
votes
7answers
5k 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 ...
4
votes
3answers
757 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
749 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
827 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
416 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
469 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
0answers
258 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 ...
8
votes
6answers
1k 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
648 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
265 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
686 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
323 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
171 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 ...
18
votes
5answers
823 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 ...
14
votes
4answers
2k 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
832 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
1k 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
427 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 ...
14
votes
5answers
1k 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 ...
30
votes
4answers
3k 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
253 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
196 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
195 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. ...
2
votes
4answers
972 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
751 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
2k 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
240 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 ...
2
votes
2answers
387 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
172 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.
6
votes
1answer
1k views
Using local mbtiles in openlayers?
--The problem--
I've successfully added mbtiles from Mapbox free online source to OpenLayers, but cannot figure out how to get the mbtiles I've created/stored locally to show up in OpenLayers.
--The ...
5
votes
0answers
296 views
How to get a KML of Wikipedia POIs?
I'm looking at the possibility of using a kml layer in a 'geoserver' to provide attribute information on a point. Is there a KML file for the Wikipedia Places articles as it is used in Google earth or ...
9
votes
4answers
2k views
Looking for a Table of Contents sample for the ArcGIS Server JavaScript API
Where can I find an example of a Table of Contents control to plug into the ArcGIS Server JavaScript API 2.3? Ideally it should support feature/dynamic/tiled layers; show symbology; and allow grouped ...
1
vote
1answer
155 views
Is Orbit EOS Lite Free GIS Map Server an OpenSource software?
I'm writing an essay about web mapping software and I can't find out is Orbit EOS Lite Free GIS Map Server an OpenSource software or not? Also, I would be thankful if someone gives me some links with ...
1
vote
0answers
128 views
mapserverpro.com & mapserving.com opinions? [closed]
Does anyone use these services? I'm trying to figure out which way to go as I embark on a mapping project, and wonder what GIS-dedicated hosting services like these are like. Thanks.
1
vote
0answers
236 views
mapserver 5.6.6: polygon layer only rendered if crossing extent boundaries
I have two mapserver layers that get rendered only if the polygon boundaries are overlapping with the extent boundaries.
If the red lines were below the upper rim of the extent, the layer would not ...
6
votes
3answers
859 views
tiny JS discretization library for choropleth representation
I'd like to know if there is somewhere a tiny stat/discretization js library ready to use?
Actually I know the existence of jStat (which I may explore a little bit more), and I know mapfish has a ...
4
votes
1answer
635 views
Webmapping with pgRouting and Mapserver for Beginners
I want to use pgRouting for showing shortest path on hiking trails. I created web map so I need to enable users when they click on start and end point somewhere on hiking trails, that it shows ...
7
votes
0answers
251 views
Beginner web mapping advice [duplicate]
Possible Duplicate:
Steps to Start Web Mapping
I'd like to get some expert opinions on how to get started in web mapping. First, a bit about my skills, then what I'd like to do.
I've got ...
0
votes
2answers
257 views
ArcIMS - Active layer update
I'm trying to change the active layer in ArcIMS from the default top position to index 2 in the TOC. The TOC has 3 grouped layers, but it is the first grouped layer that I want the active layer to be ...
