Questions tagged [web-mapping]

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

Filter by
Sorted by
Tagged with
6
votes
5answers
6k views

How do I display geojson polygons on a map?

Here's a very basic question for you all. I've got 17,000 polygons in a GeoDjango database. How do I create a slippy web map that can display these polygons? In other words, do I: load a GMap, ...
7
votes
2answers
3k views

Django PolygonField: how to display on map?

Extremely beginner question. I have a GeoDjango model with a MultiPolygonField. How do I retrieve the value of this field and display it as a polygon on a map? class county(models.Model): cd = ...
4
votes
2answers
653 views

Data entry and manipulation using web pages

I am working on a project where we want to move a database from Microsoft Access to PostGIS, and we want the data entry forms to be web page based rather than forms within the Access database. I am ...
3
votes
3answers
4k views

Render vectors from OSM data in POSTGIS database

I'm a newbie when it comes to mapping application. I had successfully loaded my OpenstreetMap data in a Postgresql/PostGIS database. Now my problem is how to render the vector data (the POI's, ways, ...
5
votes
6answers
560 views

Is anyone using JSONP in Web mapping applications to get around the browser same origin policy?

Javascript based Web mapping apps that use ajax requests to get data from a server are limited by the Same Origin Policy to only request the data from a server in the same domain (subdomain and port). ...
1
vote
1answer
565 views

setting up php_mapscript in portable GIS

I'm new here, and I'm also new in webgis, I have download portable gis, and I love this new version with lot more tools, I have a question regarding to mapserver that comes with portable GIS v2, how ...
3
votes
2answers
9k views

OpenLayers and the legend

Is it a possibility in OL to add a legend (symbology) directly to (under) particular layer (not only switch on/off the layer)?
7
votes
2answers
304 views

What are “M” point locations on the NOAA forcecast cone map?

I don't think I've ever noticed M before. H and S are Hurricane and Tropical Storm.
7
votes
4answers
287 views

Case studies of Participatory Spatial Planning

I am wondering if you know any well implemented geoportals for Participatory Spatial Planning. I am looking for the one related to environmental protection or connected somehow with the topic (but of ...
37
votes
12answers
9k views

What is the state of the art in html5 geospatial applications?

I am very interested in the HTML5 canvas element for maps; work like Cartagen from an MIT Media Lab researcher looks very promising, for example. There is some interesting SVG based work at carto.net....
5
votes
3answers
4k views

GeoServer in Windows x64 - war file installation versus Windows installer?

After running a GeoServer war file installation in Tomcat for some time in Windows Server 2008 x64, I've become increasingly unhappy with Tomcat's chronic memory issues and leaks. Now that the ...
22
votes
7answers
10k views

Options for displaying PostGIS vectors in OpenLayers

I am very new to web-mapping, so this question may be a little misguided. I want to have a very simple web interface using OpenLayers (or even Google Maps if that will be easier) which can display a ...
7
votes
7answers
2k views

Examples of thematic mapping web services built with FOSS GIS

What are some current examples of web services serving thematic mapping based on free and open source software? The thematic mapping could be in the form of choropleth or point layers. It would be ...
4
votes
2answers
2k views

What are the key features of a web map?

In response to comments, I'll rephrase the question: We're building a web based mapping and data querying system. The data are at several different scales, and should be queryable at these scales. ...
12
votes
10answers
8k views

Web GIS Development Skill Sets [closed]

What technologies and skill sets should one who wants to do web GIS development study/acquire? One skill/technology per answer please.
10
votes
3answers
12k views

What is a “mashup”?

GIS users mix spatial data layers from an early age of GI science. What is new in the concept of "mashup"? Is it something really new, or only a trendy word?
8
votes
8answers
2k views

List of Virtual Globes

I kept a listing of virtual globes in 2005 and 2006, but it's now woefully out of date http://geography2.blogspot.com/2005/11/listing-of-virtual-globes.html. Today, the main four seem to be: Google ...
8
votes
5answers
717 views

Web-based map authoring with ArcGIS Server?

I am embarking on a project in which users will author, save, and share their own maps over the web. We will provide them with a large number of feature classes, but users will effectively author ...