use for questions seeking data that may include commercial/paid solutions - use open-data if it must be open/free

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7
votes
5answers
838 views

Are the Canadian National Topographic System (NTS) maps available freely online?

I'd really like a seamless service of the Canadian topo maps, similar to ArcGIS Online USA Topographic Maps, http://www.arcgis.com/home/item.html?id=4ee3622f0bfd41eea55ffa83aaf31a9f If there is no ...
3
votes
2answers
340 views

Where I can find real world data for triangulation?

I want points for practicing triangulation algorithms. Just points with coordinates [X,Y] and elevation [Z] of real world terrain. I can use Google Maps Elevation API, but there is no method how to ...
12
votes
3answers
2k views

What is a good taxonomy or naming convention for files and folders containing GIS data?

My company has collected about 30 TBs of GIS data over the past 8 years, and I always find myself asking the following questions: What type of data do we have for a given geographic area? What are ...
9
votes
2answers
733 views

GIS Layer of USA State Court Jurisdiction Boundaries

Does anyone know of a national layer? Edit: Sorry for the delay in clarifying. I am looking for all courts (district, circuit, municipal, Superior, etc.) depending on the terminology used for the ...
5
votes
2answers
1k views

Are there any sources of UK building footprint data available?

I noticed that there's another question related to this topic, but the question was related to US data. I'm looking at the possibility of producing an interactive map for a UK based city, which ...
5
votes
5answers
1k views

Data Source: Address ranges for every block in NYC

I'm looking for data that defines the address ranges used on NYC blocks. On this screenshoot you can see google has noted the first addresses on each block of West End Avenue and 92nd/93rd/94th st. ...
8
votes
4answers
5k views

Best way to delete selected mass amounts of old data from a polygon shapefile attribute table?

Dumb problem that for some reason is giving me trouble. I have a polygon shapefile that is loaded with old demographic data in its attribute file, I just received the new data today in xls format. ...
3
votes
2answers
168 views

Map source for iLife '11?

The new iLife has map functionality, what's the source of the map data used? Further pictures on engadget, which show a city-level view.
6
votes
1answer
245 views

What is the best way to store Flickr's Shapefiles Public Dataset in SQL Server 2008?

I'm wanting to import specific locations from the Flickr Shapefile Dataset into SQL Server would like to know what is the best way to store the data in SQL Server 2008? Link the the 1.0 Dataset: ...
1
vote
2answers
1k views

Where can I get UnitedStates.gdb file

I am doing this tutorial http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/How_to_geocode_a_single_address/00010000038r000000/ but it requires the following file: ...
3
votes
5answers
2k views

Ways to load OS VectorMap data

Us lucky fellows in the UK have been able to access public geodata from Ordance Survey under an open licence since April this year. Some of the datasets, including VectorMap, are broken into 100 ...
7
votes
5answers
278 views

What are the concerns with using Creative Commons licenses for spatial data?

As more people and organizations are realizing the importance and benefits of publishing their data under an 'open' license, people are looking for the best license to apply. Creative Commons CC ...
4
votes
4answers
281 views

Are there any other providers of map data in the UK apart from the Ordnance Survey?

The Ordnance Survey charges a lot for most data, so what are the other options?
10
votes
3answers
8k views

Define “geospatial data” for a non-GIS professional

I realize this is a sort of a subjective question, but I've seen other subjective questions on the site, so I thought it I'd put it out there. A colleague recently had a request for "geospatial data" ...
5
votes
3answers
486 views

What kind of datasets are necessary for geomarketing applications?

If you would have to create a data base for geomarketing applications yourself, what kind of datasets would you purchase/collect? The first goal would be to find new store locations. Another would be ...
0
votes
1answer
131 views

How can I retrieve an attribute's domain using ArcIMS ActiveX Connector?

I have an ArcIMS Image Service that's consuming data stored in an ArcSDE database (both v9.3.1). Many of the layers have attribute columns that use coded value domains defined in the SDE database, ...
4
votes
1answer
369 views
7
votes
3answers
476 views

Where can I get data for traffic signals, stop signs, and other sign assets/inventory?

I'm working on a project involving roads. The quality of the service would benefit from knowing if a given road is continuous or if it's broken up by stop signs, traffic signals, and other things ...