Use for questions seeking GIS data of any type - if you seek Open Data then ask on Open Data SE instead

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0
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3answers
220 views

Purchasing Points of Interest data in USA?

I have thousands of POIs with addresses and they are geocoded. The lat longs are on the road. I have Tele Atlas POI data, but it also shows the locations closer to the road. Is there any ...
6
votes
3answers
1k views

where do I download POIs from Wikipedia? placeopedia used to have them but is now gone

I am trying to improve OpenStreetMap in Siem Reap, Cambodia. A way I am doing this is to add temple locations. I hear that there is a dataset of temple locations available from Wikipedia (presumably ...
8
votes
4answers
2k views

Where can I download free satellite imagery of Cambodia for offline use?

I am an entry level GIS user - I have had one semester of GIS in college. I have successfully downloaded raster satellite imagery from Seamless (tiff files) for my class project. Now I am trying to ...
4
votes
1answer
281 views

Given a known batch of mobile-obtained gps data with timestamps, what algorithms can be used to clean it?

I'm working on the backend for an iOS/Android app that collects locations every hour and syncs with the server every three hours. The mobile apps themselves are not under my control and so I can't ...
17
votes
6answers
11k views

Near real-time sources of lightning strike data

I am wondering if anyone has any suggestions on sources of near real-time lightning strike data available for download? For example, Intellicast.com has a map of strikes, but makes no mention of the ...
2
votes
0answers
190 views

Data source for 3D buildings (germany) [duplicate]

I'm searching for a data base or webservice, that provides buildings at a level of detail (LOD) of cuboid (length,width,height) or roof, corners, etc or better. The area should cover germany. I'...
2
votes
2answers
5k views

US unemployment data by zip (or aggregating data up to county level)

I am trying to find unemployment rate data for the US that is: at 5 digit zip code level monthly, or quarterly, or even annually, for 2008-2012 free That seems to be impossible as far as I can ...
1
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2answers
2k views

OCM Landscape data

What is the source of the OCM Landscape data and where can one obtain it? Let me know if I should be speaking with someone else. Thank you,
3
votes
2answers
67 views

Where to look for oceanographical/environmental data for the Arctic (Baffin Bay/Davis Strait area)

I am looking for oceanographical/environmental variables that are available for Baffin Bay/Davis Strait area over the time period of 1995-2011, however, I am not familiar with oceanographical/...
10
votes
4answers
3k views

OpenStreetMap Neighborhood Boundaries

Is it possible to download neighborhood boundaries from OpenStreetMap? I see on maps that they often indicate neighborhood names; is there a way to retrieve their coordinates and boundary polygon ...
5
votes
4answers
1k views

Does the USDA SSURGO database have a web-based API that I can query?

Based on a previous question, Can I download the entire NRCS SSURGO database?, it appears that it is difficult to import the entire USDA SSURGO database. The Web Soil Survey provides the ability to ...
5
votes
6answers
2k views

Can I download the entire NRCS SSURGO database?

I am interested in downloading and using the entire USGS SSURGO database. The California Soil Resource Lab provides instructions on working with these data in R, but it starts with the assumption ...
5
votes
3answers
15k views

How to import info from mdb file into a project?

I need to import info on a QGIS project. The info are in a MDB file (population, mean age, number of cars and so on: one record per region) that is written to be connected with a region shape from an ...
2
votes
3answers
274 views

Agricultural field boundaries in a small area of south west England - source of vector data?

I would like to find a vector polygon dataset that shows field boundaries, along with tracks, roads, paths etc, for a small area of south west England - about 5km by 5km. Are there any free datasets ...
1
vote
0answers
449 views

Importing GPS coordinates correctly

I am importing a gsx set of waypoints with lat/lon taken in degrees, minutes, and thousandths of a minute. When they are added to my project, the waypoints are not showing up correctly - the ...
2
votes
2answers
226 views

Is there any site which provide classified image download for soil,vegetation or water resources?

(its particularly for indian states,i need.....,but kindly quote if any other info you have) the raster data may also work for me in above aspects.
13
votes
8answers
2k views

List of US government free GIS data online

The US government publishes a plethora of useful, high-quality GIS data sources online. The data includes: Municipal and international boundaries Classified points of interest Geographic maps ...
0
votes
2answers
363 views

Belgium Flood And Precipitation Mapping

Similar to Free sources of mapping data for France, does any one know a source for free downloadable flood and precipitation maps for Belgium?
10
votes
4answers
4k views

Definitive source for downloading DEM data

USGS has been moving towards serving data through The National Map Viewer. They have several WMServices through their website that serve elevation data to the public (hillshade & DEM). The ...
2
votes
3answers
649 views

coordinate definitions from nyc.gov open data SpatialLocation field

The NYC Open Data website has a dataset of street events. The last column is called SpatialLocation, and is defined as a text field. An example is below. It is clearly two points on a physical map. ...
1
vote
0answers
889 views

How to get WMO SYNOP data?

I would like to get WMO weather stations observations daily reports from the web in file or web-service form. According to WMO Resolution 40 -info- this data should be availiable in text form with ...
2
votes
0answers
165 views

How does integrate work with point data sets?

I'm trying to combine point data into clusters and I think I've come up with a method that will work for what I want to accomplish. However, I don't understand why it works the way it does and I'm ...
-2
votes
2answers
404 views

What are non-commercial sources of road network other than OSM

I want to get the graph (Road Network) of Area of interest: Lon/Lat - Left/Bottom = -93.28587,44.9674 and Right/Top=-93.25351,44.9855 Minneapolis, MN Searching for a non-commercial source - aside ...
4
votes
2answers
606 views

Where can I find GeoJSON resources files?

I'm looking for demographic information and various things, and most of the time data are available as CSV (my application use geoJSON format). Shall I encode the CSV to geoJSON or is there a "...
7
votes
1answer
7k views

Where to acquire elevation data for UK?

I'm looking for digital elevation data for UK. Does anybody know if there is a good service providing data for free that are of better accuracy than ASTER-DEM that is around 30m and if not what is the ...
2
votes
0answers
1k views

How to load data programmatically from shapefile into feature class (geodatabase)? [closed]

Can some Genuis here help me programmatically (using python and comtypes) load shapefile data in to an existing geodatabase (feature class). The attributes of the shapefile has to match with the ...
0
votes
0answers
29 views

How to get 2010 Census Block Housing Unit Data for the entire US for 15-digit FIPS blocks [duplicate]

Possible Duplicate: Where can I find the finest granularity of 2010 US census population information? I'm working on a little data munging project and I need to find 2010 US Census data for ...
2
votes
2answers
126 views

Anyone know where I can find a file like this for Pakistan?

Can anyone tell me where I can find a file like this on Pakistan? I found it on ochaonline.un.org I cannot find it when I search on there. http://www.scribd.com/doc/38714310/Afghanistan-Settlements-...
8
votes
1answer
952 views

Cleaning GPS track data

I have data captured with a GPS tracking unit. Some track have bad/cold starts and the only way to determine the track quality is by using the altitude. Unfortunately I don't have the raw GPS data and ...
6
votes
3answers
422 views

Web Mapping Services from Europe besides OSM [closed]

Wondering if there are any other Web Mapping Services based in Europe or even Asia? Fed up with the Bings and Googles and even OSMs of the WMS world. This is 2012 not 2002, shouldn't we have a much ...
1
vote
3answers
929 views

Looking for high resolution (1m or better) aerials for Turkey?

Would prefer free but under a couple hundred dollars is also doable. It would be nice to have actual tif, sid, etc. files but a WMS would also work. The WMS (bing and esri) I have been able to ...
3
votes
1answer
162 views

Help obtaining nodata information for ASTER datasets

Is there any way to determine what the nodata value should be, in a set of geotiff images that do not have the 42113 tiff tag ? I am trying to get elevation information, programatically in c++, and I ...
7
votes
4answers
548 views

Does anyone have data or shapefiles for tidal flats, mangrove distribution, or salt marshes?

I am looking to map out the salt marshes, mangroves, and tidal flats of the world, but I am having difficulty finding data for this. Does anyone have any such data? This is for a research project at ...
5
votes
1answer
797 views

How to create tiles with points from MongoDB?

I have a (potentially) large data set stored in MongoDB. Each record is just lat, lon and some float-point value. Each pair of lat and lon is unique, but the whole set is not covering the Earth, there ...
0
votes
0answers
650 views

Power line and/or power station vector (shapefile) data in Turkey

Looking for transmission power line / power station vector (shapefile) data in the country of Turkey. KML/KMZ files would also work. Found great vector data here yesterday for roads, rivers, etc: (...
1
vote
1answer
4k views

Looking for vector data for the country Turkey

specifically roads, railroads, and rivers shape files.... no cost would be nice, but it needs to be more detailed and accurate than mapcruzin's free data. Something under $500 would also be ...
3
votes
3answers
1k views

Where can I find the finest granularity of 2010 US census population information?

I am writing a re-districting application where I want to be able to create US voting districts based on geographic coordinate population data. In a perfect world, I would have the population for each ...
4
votes
1answer
1k views

Terraserver replacment - source for US Topo maps?

Now that Terraserver has been shut down (or at least that's how it appears), is there an alternative WMS server for US topo maps? Probably too much to hope to find one that provides vector layers ...
12
votes
7answers
4k views

Where can I get neighborhood boundaries?

Besides Zillow's creative-commons licensed neighborhood boundaries shapefiles, what sources of neighborhood boundaries are there? Not just in the US, but all over the world. Free/open source is ideal,...
5
votes
3answers
516 views

In what data format should I export a (lat,long,alt) or (x,y,z) grid to be compatible with the largest number of GIS software?

I am new to GIS and developing an application that generates a 3D grid with (latitude, longitude, elevation) or (x, y, z) metric triplets, and I would like to add an exporting feature that ensures ...
5
votes
1answer
4k views

Exporting .jpg files from data driven pages in Arcmap

I have generated about 90 maps through data driven pages(ArcGIS 10.0). I now want to export them as .jpg files in either landscape or portrait format. I tried python but it is not working, it worked ...
6
votes
4answers
3k views

Postal areas for Germany? - Shape?

does anyone of you know how and where I can download postal area districts of Germany in shape files (download free of charge if possible). best regards desputin
1
vote
0answers
113 views

Looking For Free Global Bedrock Geology Data

I've searched around for a freely available global bedrock geology data set, but I have yet to find one. Anyone come across such dataset?
1
vote
4answers
286 views

Looking for Cities population datasets for the state of Arizona

Looking for cities in Arizona especially I'd like to have them with that has population attributes. I've checked Arizona's geospatial websites and none of them I have found. Does anyone know where I ...
4
votes
2answers
3k views

How GIS and SDI (spatial data infrastructure) are related?

I read the definitions of both on wikipedia but they didn't mention any relationship between the two terms although there must be one because they are dealing with the same thing: spatial data. Can ...
7
votes
4answers
4k views

Looking for geodata of Europe's major roads

As stated in the title, I'm currently looking for a shapefile/other geodata source of Europe's major roads (highways). If anybody knows a free datasource (or a possibility to extract that data from ...
3
votes
1answer
675 views

Can anyone point me to a dataset (shapefile or other format) for the North American Continental Divide?

I'm looking for a more detailed dataset than the 1:2,000,000 shapefile available from the National Atlas, preferably one suitable for use at 1:24,000.
5
votes
2answers
272 views

Worldwide population density data not grouped by country?

Are there any data sources available, preferably freely (but not necessarily), which show population density without regard to country or constituency boundaries of any sort? I'd like to analyze a ...
1
vote
0answers
46 views

Level of data available on FactFinder

I am trying to find data at the block level or even block group level for the SF1 files and ACS 2010 or 2009. Just recently, two months ago, I was able to get this data but for some reason I am now ...
6
votes
1answer
1k views

Breakline detection algorithms for LIDAR dataset

I'm searching for algorithms or open source tools I could use to detect breaklines from a LIDAR dataset; more specifically, from the terrain points of the dataset. At the moment the only thing I've ...