This tag indicates questions about obtaining data
8
votes
11answers
698 views
canvec: why so quiet? where are all the users?
It has now been a little over 3 years since Natural Resources Canada released CanVec, a national coast to coast to coast spatial dataset at 1:50,000 or better nominal scale. In the interverning time ...
7
votes
2answers
225 views
Where can I find a shapefile basemap for the Indian Ocean?
I need to plot point data over a basemap of the Indian Ocean. Can anyone tell me where I can find such a basemap in shapefile format? I use ArcView 9.
Thank you.
1
vote
2answers
334 views
How to save project with data source path as relative in QGIS?
Is their an option in QGIS to save the project with the data source being relative path.
I Dont see the option here.QGIS Wroclaw1.7.3
3
votes
2answers
339 views
German coordinate system from Lat/Long
I have WGS latitude and longitude for data points near Munich and I'd like to use a grid-type coordinate system, like the Ordnance Survey grids in Ireland or the UK. What coordinate system do you ...
2
votes
1answer
45 views
FIPS code data combination
I have two datasets- matching years, different sources. They are matchable by FIPS code, but my problem is 1) that the first data set, from which I am drawing my independent variable data, only has ...
4
votes
2answers
116 views
Is there a simple interface from which I can extract average summer temperature and humidity for a list of latitude and longitudes?
I am interested in finding the summer average (either climatalogical mean or for a specific year) relative humidity and temperature for a set of globally distributed latitude and longitude ...
2
votes
3answers
789 views
Where can I find shapefiles of pipeline data?
Does anyone know where I can get or find shapefiles for pipelines (USA location)? Preferably free as I've never done pipelines before and I'm meeting a client next week that is doing pipeline work.
...
4
votes
1answer
362 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
0
votes
1answer
124 views
How do I change the scale of one map sheet within a map series in MPS Atlas
I am using MPS Atlas and have a large map series (almost 300 map sheets) with the Areas Of Interest defined by the polygons of a feature class with a 100 m buffer on each polygon. This works well for ...
6
votes
1answer
251 views
Data sources for real road speeds
A data question really, though there may be a useful geo-processing solution.
Context: I am calculating "drivetime" catchment areas using PgRouting and OSM / OSM2PO. If my employer/client is to ...
10
votes
1answer
201 views
Open-source software for managing terabytes of different formats of geospatial data?
I have a problem that I am sure many GIS Teams or Departments have which is how to find, keep track of and manage multiple different datasets from multiple sources. I have read the responses from a ...
6
votes
3answers
483 views
Spatial data? Geodata? Geographic Data? Geospatial data?
Language changes all the time and I see various uses of the words defining the data we use in GIS in our day-to-day lives.
But what's right? Is there a right answer out there that we would all agree ...
7
votes
3answers
347 views
How is raw OSM data processed for openstreetmap.org
Can anyone provide insight into how OSM data is processed or rendered for www.openstreetmap.org?
A specific example... I extracted data from a recent planet.osm PostGIS dataset for an area in ...
2
votes
4answers
232 views
Dublin postal areas shp file?
I'm currently developing an application that uses shp files for Dublin. In particular I want to display the postal areas for Dublin but cannot locate an appropriate shp file.
Can anyone advise where ...
0
votes
0answers
93 views
Where can one find GIS shapefiles for all of California's municipal jurisdictions (cities, counties, special districts, JPA, CFDs, etc.)?Edit
Cities and counties are easy but I've been digging a while for the other information and haven't had any luck. Particularly interested in water districts and some of the more major JPAs -- for ...
3
votes
2answers
66 views
Where can I find spatial data on polar fish populations?
Where can I find spatial data on polar fish populations? I am looking specifically for polar cod, but any fish will do at this point in my project. I also need arctic ocean salinity, temperature, and ...
6
votes
3answers
627 views
How can I transfer data from one PostGIS database to another?
I have quite a bit of GIS data in a old PostGIS Database (version "1.1.6") and I need to transfer it to another PostGIS Database ("POSTGIS="1.5.3").
I tried creating a backup and restoring that on ...
3
votes
1answer
120 views
Looking for GIS Data for Curitiba, Brazil?
I am wondering if anyone knows where to find building footprints, road network, transit, or environment feature data for Curitiba, Brazil.
Thanks
12
votes
8answers
364 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
...
4
votes
2answers
251 views
Historical Hurricane Tracks
I have found a great source for historical hurricane data, but I can't seem to find a way to download the track information. It appears that you can only view the data on the website. I was ...
3
votes
1answer
265 views
Open dataset(s) with centroids or other geometry for WOEIDs?
The Yahoo! GeoPlanet data is available for download but this data only includes the object hierarchies without any associated geometry.
Do anyone know if there is an open source for geometry ...
4
votes
3answers
213 views
Canadian province boundaries in latitude and longitude
Are there any datasets available that give a list of latitude and longitude points for Canadian province boundaries? I don't need anything too detailed as I'm displaying collated data in smallish ...
2
votes
4answers
142 views
Where can I get free New Zealand and Melbourne geodata?
I have just installed QGIS. Do any forum users know where I could download or access files and maps for 1) New Zealand, and/or 2) Melbourne/Victoria, Australia. Preferably it would be good to know ...
2
votes
1answer
382 views
World map shapefile including disputed areas
I am looking for a global shapefile that allows you do show data for all disputed areas (like Waziristan, Spratlay Islands, Kahsmir, etc.). Do you have any idea where I can find a shapefile with not ...
4
votes
3answers
233 views
How to test whether two countries are adjacent?
I have an interesting question:
Is there a dataset by which I can use to test whether two countries are adjacent? For example, if inputs are Mexico and U.S., they are adjacent; if inputs are England ...
6
votes
3answers
207 views
Where can I find free Archeology datasets?
Are there any sites that gather together free datasets?
I am especially interested in published data relating to archeology.
0
votes
0answers
205 views
The “Perfect World” GIS Functions [closed]
I am looking for the communities most useful GIS functions, not just image overlay, searching and styling, deeper broader functions such as finding the cause of a network fault as an example:
Water ...
11
votes
2answers
2k views
Google Fusion Tables vs Amazon Web Services: which is better for GIS data?
What are the pros/cons for storing storing spatial data in Google Fusion Tables versus Amazon Web Services?
Factors would include: Cost, performance, ease of update.
6
votes
1answer
649 views
Planetary-scale computing architectures for electronic trading: where is the data?
In his intriguing TED Talk, How algorithms shape our world, Kevin Slavin shows this map from "Planetary-scale computing architectures for electronic trading" ... does anyone know if this data is ...
3
votes
2answers
212 views
Why can't I see all records in my personal GDB in QGIS?
I am running QGIS 1.8. I have a layer from an ESRI Personal GDB. There are 431 features in the layer. When you load the layer into QGIS, and look at the Metadata properties, it shows the number of ...
2
votes
0answers
229 views
Are there any shapefile-based GPS data recorders?
I am looking for a data recorder that can be programmed to send a serial data request to a field computer and then accept and record an incoming data string and tie it to GPS location and then save ...
8
votes
2answers
130 views
Is there an automatic function in QGIS to package all shapefiles in a project for transferability?
In my project, I use a lot of geodata from different directories.
Now I want to give the QGIS project to a colleague (eg on a CD).
Is it possible to copy the shapes from different directories ...
8
votes
10answers
1k views
Need a Benchmark GPS Trajectory data-set? Anyone?
I'm looking for a benchmark GPS data set, available for research purposes for free. I've found GeoLife GPS Trajectories dataset from Microsoft Research but I find it a little incomplete.
What I need ...
5
votes
1answer
228 views
Where can I find European City boundary data?
Does anyone know any sources for free European city boundary data?
Thanks!
-3
votes
2answers
273 views
The list of geocodes of villages/cities of India wanted
Any relevant information is welcome.
For example, license of the data, where I can find relevant sources, etc.
2
votes
1answer
82 views
Is there anywhere that I can obtain global UV data in either raster or vector format?
I'm looking for some UV data (currently with no spatial or temporal resolutions in mind, but ideally split into UV-A and UV-B) for the whole earth. Can anyone recommend a source for data like this or ...
7
votes
2answers
208 views
Sources of geolocated Tweets
Are there any publicly available sources of geolocated Tweets?
I'm aware that one can collect them on their own, but was wondering if there is something readily available to play with.
There is a ...
7
votes
3answers
281 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 ...
6
votes
4answers
239 views
Where can I get country, region, and city data?
I need the names of countries, country regions and cities of the world.
Where do I get that kind of information?
3
votes
4answers
390 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 ...
2
votes
1answer
39 views
How to access existing graphs in arcGIS 10
I am trying to access an existing graph in arcGIS version 10. The student workbook I am using was written for version 9.3. Version 10 does not have "tools" option in the toolbar. The instructions ...
1
vote
2answers
146 views
Where can i find oceanic borders defined as a set of lat/long points?
I'm trying to write some code that, given a latitude and longitude, will report which ocean (if any) this point is in.
Is there a public resource available that defines the borders of the oceans as a ...
4
votes
1answer
259 views
Joining Census Data
I have collected census data for a county in Pennsylvania. Data varies from 1999-2010. For my data before 2010, a significant number of blocks do not match up (image below) when I join the data ...
1
vote
2answers
47 views
Looking for average temperature data for Afghanistan
Hey all I am looking for a average temperature data for Afghanistan monthly over a year, precipitation would work too. In a shapefile, if anyone has any or knows anywhere that I could access one ...
10
votes
2answers
441 views
Are any fictional worlds available in some GIS format?
In a discussion with colleagues, this question arose: is there any fictional world (e.g. Middle-earth, Discworld etc.) which could be used in a GIS context, e.g. a MBTiles archive and a shapefile or ...
3
votes
1answer
114 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 ...
0
votes
0answers
53 views
Trouble with making shapefile from xls file
Each time I attempt to import some species data from an xls file to be plotted onto a map, the program becomes very slow and eventually becomes unresponsive. My dataset originally included 15000 ...
0
votes
0answers
43 views
NAD in a .ORT file type
Hi I have got hold of a "NAD" (supposedly) in an .ORT format. It is basically a text file with X,y,height fields...
What do I need to do to get this file into QGIS to see the NAD? Thanks
0
votes
0answers
32 views
consolidating of all the census data for the state of Florida from the below listed US Census website
I have a potential project to utilize census data within a GIS and the hard part appears to be the consolidating of all the census data for the state of Florida from the below listed US Census ...
4
votes
2answers
559 views
Dividing Earth into continent polygons
Is there a simple (low res is fine) polygonal data set that divides the entirety of Earth's surface into continents, with no overlap and no area excluded?
Specifically: North America, South America, ...
