This tag indicates questions about obtaining data
6
votes
2answers
424 views
How do I download specific OpenStreetMap data by tag?
I'd like to write an iPhone app which uses OSM data to map canals. The data is tagged in OSM as canals, but I'm not entirely sure how to download it. Libraries like route-me don't seem to provide a ...
0
votes
0answers
79 views
Where can I purchase Points of Interest? (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 ...
3
votes
4answers
425 views
Looking for an annotated vectorial map of the world
I'm looking for an annotated vectorial (PS/SVG/...) map of the world (+countries).
Wikipedia contains many vectorial maps (e.g: http://commons.wikimedia.org/wiki/Category:Blank_SVG_maps_of_the_world ...
1
vote
0answers
100 views
Data source for 3D buildings (germany)
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.
...
2
votes
2answers
1k 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 ...
0
votes
1answer
90 views
Programs to log NMEA on Nomad 900?
I am interested in logging NMEA data on a Trimble Nomad 900. Unfortunately the SatViewer records a maximum of 64,000 characters, too little for my application. I don't want to have to purchase ...
5
votes
5answers
320 views
What is the best way to protect data online?
What techniques do people use when protecting data (e.g., preventing a user downloading the whole dataset) they are overlaying on top of Google/Yahoo/Bing etc.?
3
votes
2answers
54 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 ...
5
votes
1answer
278 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 ...
0
votes
0answers
60 views
How to view raster data? [closed]
I am trying to view data from an ArcGis map that is saved as a bunch of ADF files. I have never used ArcGis or Quantum GIS before, but I do have them installed.
The data is available here: ...
9
votes
4answers
347 views
Where can I find historic maps of city size?
I'm interested in examining basic dimensions of city size, primarily area (though population would also be of interest) from the earliest possible records. It does not matter where the city is in the ...
0
votes
0answers
80 views
Technical questions about GIS
Got a question about some GIS.
I'm doing an investigation about the GIS that are used in my country.
For doing this, I divided my questions into functional and technical questions.
For the technical ...
11
votes
1answer
225 views
How do you organize your geodata?
A geodatabase doesn't provide much flexibility in organizing your data hierarchically. All feature sets live either at the top level of the database, or one level down in feature datasets. A feature ...
2
votes
3answers
104 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
2answers
645 views
Where can I find Road shapefile/e00/etc for the entire world?
I am hoping that there is a single source for this data, ie. 1 geodatabase. If not, can someone point me towards the sources that would make up the entire world's road transportation network?
I have ...
0
votes
0answers
37 views
problems styling numerical data
I'm trying to make a standard choropleth map using numerical data. The base layer is a shapefile and it is joined to a csv file. There is also a csvt file to make the formats align.
When I go into ...
1
vote
0answers
310 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 ...
3
votes
2answers
97 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.
2
votes
0answers
110 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 ...
4
votes
4answers
709 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 ...
3
votes
2answers
251 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 ...
0
votes
0answers
26 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 ...
1
vote
1answer
64 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.
...
2
votes
3answers
351 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... using ArcGIS 10
Would also consider any of the ...
5
votes
3answers
177 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 ...
3
votes
1answer
84 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 ...
4
votes
4answers
2k views
Source for GeoJSON data for the US
Does anyone know of any good sources for US data (counties, congressional districts, etc) in GeoJSON format? Has anyone converted public-domain shapefiles/sources to GeoJSON that they would be willing ...
1
vote
0answers
173 views
Open Network Dataset with ArcObjects SDK 10.0 .NET
I develop desktop standalone application and use this code to open Network Dataset, but it fails with HRESULT on datasetContainer3.get_DatasetByName().
public static ...
0
votes
0answers
168 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
1k 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 ...
1
vote
3answers
371 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 ...
6
votes
5answers
361 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 ...
4
votes
1answer
481 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 ...
1
vote
1answer
125 views
How to get power lines and substations data for Mexico
Hello guys I am looking forward for get the power electric lines shapefile for Mexico and other central and south american countries , do you have any hint ??
Thanks , Gracias, Salamat, Asante sana
8
votes
2answers
286 views
PostGIS (2.0?) - Native Versioning of the Datastore
I recently have been surprised to see there are not too many solutions at all discussing the best methods of versioning datastores which are made available for editing.
I am looking for a robust, ...
13
votes
4answers
456 views
What iOS (iPhone/iPad) app from the App Store can I use to collect data?
What iOS app from the iTunes App Store can I use to collect data (mainly points, perhaps photos) and later import them into my GIS?
I am mainly interested in an out-of-the-box solution, not develop ...
3
votes
3answers
256 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 ...
1
vote
0answers
65 views
IFSAR bad stripping in some spotting areas
I have a co-worker that was working on do some analysis on IFSAR and he clips them to quads. He said that there are 6 quads that came up bad stripping.
Is there a way around to clean it up the bad ...
1
vote
0answers
874 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 ...
1
vote
0answers
77 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
141 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 ...
6
votes
4answers
109 views
Identifying geographies that match certain climatic profiles through GIS
A certain post-haste project has arisen, and I would like to put this question to the collective mind of GIS.SE for ideas and references. The long and short of this research is trying to find roads ...
3
votes
2answers
364 views
Shapefiles for U.S. Area Codes (NANP)
I have a bunch of telephone numbers (just the area codes), and I'd like to geolocate them and make a map, but I haven't had too much luck googling for shapefiles for Area Codes. Surely these are in ...
2
votes
1answer
167 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
154 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
37 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 ...
3
votes
2answers
708 views
Problem loading table in ArcMap
I am an ArcGis 10. ( ArcEditor licence) user and I have a problem when trying to load data with the Load Objects Tool in ArcMap. I want to load a table, but after I
choose the input data ...
2
votes
1answer
163 views
Sources for California roads data
I need a California roads network suitable for building a network dataset and routing to 120 locations. It needs to at least cover the Northern half of California. 2010 Census roads need alot of ...
2
votes
1answer
2k views
6
votes
3answers
364 views
Online map with rivers
Is there any internet map source (zoomable, tiled, i.e. "google like") with good display of rivers? I.e. well labelled even on larger scales? So that I'm for example able to track Donau river (with ...
