Questions about obtaining data.
4
votes
0answers
23 views
spatial and spatiotemporal analyses
I have a dataset that consists of 247 mosquito traps placed in fixed positions and sampled weekly for 23 weeks. I also have dengue disease incidence data (indexed to home address) during the same time ...
6
votes
1answer
136 views
Where can I find municipal-level administrative boundary data for India?
Does anyone know how to find a shapefile with boundaries of Indian municipalities? I have tehsil boundaries as for year 2001, but I would like boundaries of municipalities. Ideally, also historic ...
0
votes
0answers
43 views
Where to find Data with site that have hazardous, toxic or radioactive substances?
Does anybody know where to find data that lists the location of sites that have hazardous, toxic or radioactive substances?
I'm working on a HUD project and need to be able to find out if sites for ...
0
votes
1answer
28 views
merging and seperating data
I have a census block shapefile and I want to separate the data according to their towns or village. The towns/village is a separate shapefile. Any help is greatly appreciated. I am using ArcInfo ...
2
votes
0answers
41 views
Best source for high-resolution satellite images free/low-cost?
I am doing a household survey in Kenya, and I need to ensure that my survey team visits every house within a given area. I've been going to google maps and right-clicking on roofs to get coordinates ...
6
votes
2answers
275 views
Looking for 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 ...
5
votes
2answers
83 views
Any Piri Reis shapefiles?
Incredible claims have been made about a map named after its creator (Piri Reis).
I was looking into digitizing the map and overlaying it with a modern map of the world, specifically the east coast ...
4
votes
1answer
134 views
Russian GIS Data
Which companies are the best suppliers of vector, geocoding, imagery, and POI data in Russia? Which companies provide a complete service (which includes the above data types and also routing, ...
1
vote
1answer
36 views
Oceans Baseline Data
I am working on a volunteer project and we are in desperate need of a baseline layer. I have been unable to find it anywhere (there are plenty of shoreline and coastline layers out there) does anyone ...
94
votes
47answers
6k views
What free programs should every GIS user have installed?
I'm not necessarily referring to ESRI extensions or open-source products, but others that increase your productivity and ability to handle GIS tasks.
For example, Notepad++ for writing code snippets ...
2
votes
1answer
62 views
network coverage for mobile phones - europe
I am looking for GIS data with the network coverage (mobile phones). Something like the layer shown in the cell mapper website where I can select different countries and all the providers to export a ...
13
votes
4answers
1k 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 ...
4
votes
1answer
56 views
How to properly assign spatial reference to converted AutoCAD data?
I know this is a frequent problem, I myself confronted with this problem many times, yet somehow each Autocad dataset I received is different (although they're from the same area). To some data, the ...
-2
votes
0answers
81 views
Dekho vs GeoCortex [closed]
I am currently using Esri Australia developed Dekho and want to change to GeoCortex (developed by Latitude Geographics). What are pros and cons related to these two software framework for web mapping? ...
6
votes
1answer
286 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 ...
4
votes
1answer
244 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 ...
2
votes
1answer
129 views
Where/how can I find/buy/make building footprints for Kent County, MI (Grand Rapids, Wisconsin, etc)?
I'm in big trouble and need help. I'm really hoping someone in the Stack Exchange community is feeling particularly helpful and will go the extra mile for me. I'll owe you one in whatever medium you ...
0
votes
0answers
21 views
NYC Building Perimeter Shapefile after 2011
I've been using the following NYC building perimeter shapefile from the DOTT for some work. This file however dates back to 2010. Is there a newer one available, and if so where?
I have found this ...
0
votes
2answers
71 views
export 3D data dxf file
I'm trying to export a DXF file from Qgis1.8.0 Lisboa and can not have a 3Dfile in Autocad! Or micristation. It results always in 2D file. How can I export height data from a shape file in Qgis?
...
0
votes
0answers
18 views
severe thunderstorms warnings dataset for europe
I'm looking at the possibility of using georef data on historic thunderstorms alerts.
Does anyone know of a good (free ) source for this information?
Thanks in advance
4
votes
4answers
278 views
In the UK, how do I convert from an address to a lat/long?
Please include where I can buy the dataset and how much it costs?
4
votes
3answers
55 views
What sources of granular wind data over the continental US are available?
I am looking for publicly or commercially available wind data at altitudes ranging from 0 feet to 40,000 feet over the continental United States.
Which data sources should I look at? Which one is ...
2
votes
0answers
72 views
Geospatial Tools for SketchUp
I was wondering if anyone knows of geospatial tools that work in SketchUp? I know if GeoSketch, which allows a user to import ortho imagery, DEMs, shapefiles and GPS enabled photographs into SketchUp ...
2
votes
2answers
77 views
Where can I get Beijing GIS data?
I was meandering so many places to find GIS data for Beijing. but it seems like I cannot get to any of useful resources.
At least I got road, water shape files and outline of beijing city.
...
2
votes
1answer
65 views
TMS or WMS source(s) for DEM data tiles?
I'm spinning my wheels trying to find an existing, free source for TMS or WMS elevation data that doesn't involve a long-winded clickabout or an emailed url. This question has a similar purpose, but ...
9
votes
7answers
604 views
What is the best way to visualize multiple large LIDAR tiles?
I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...
1
vote
2answers
55 views
Where can I get public transportation locations for USA
I am trying to find a list of all public transportation/transit locations like subway stations, airports, bus terminals and bus stops for USA. Only major transit locations are required, rural bus ...
3
votes
3answers
195 views
Where can I find a shapefile of all the Montreal Neighborhoods?
I am trying to map out Montreal and was wondering if there is already an existing polygon shapefile of all the neighborhoods. Here is a link to a perfect example of what I am looking for.
...
5
votes
3answers
260 views
Source for US parcel boundary data?
Where can I find shapefile (or other vector) data for US private parcel boundaries (such as for a plat map)?
10
votes
3answers
2k views
How to download the entire ASTER GDEMv2 dataset?
On October, NASA released the new ASTER GDEM global dataset (30m) and I have been wanting to get my hands on it. The only problem is that it takes forever to download and I do not feel like drawing ...
5
votes
1answer
138 views
NYC Subway Line Station Order?
I've currently got data on the NYC subway stations (including name, position, and how many people entered and existed during a timeframe). Also, I have the data on which stations have which train ...
0
votes
0answers
25 views
Where can I buy detailed (ideally 1:2000 or up to 1:10,000) maps of Russia?
I have a project in the Caucasus region and I'm having bureaucratic difficulties getting a decent map for it. I wonder what is in the public domain?
1
vote
2answers
62 views
Forest Coverage - European free GIS datasets
Where can I find GIS data for the Forest coverage for the entire Europe? Is there such a product available for free?
I am looking for raster or vector (polygons) with the information of the % of ...
0
votes
2answers
68 views
Why is QGIS reading in my CSV numeric data as string data, and how do I change it? [duplicate]
QGIS keeps reading in my numeric data from .csv files as string data. This means I have to figure out how to read it in with the proper data type, or convert it back to numeric inside of QGIS, ...
2
votes
1answer
64 views
Are the public domain vehicle tracks available?
I'm looking for recorded vehicle tracks that can be replayed to (load) test my application. Is there such data available? Best would be a european data basis but everything else would do the job as ...
2
votes
1answer
66 views
Why is it so hard to download only a part of OSM data by attribute tag?
Is there any online service that allows to download only one thematic layer of the OSM data for a specific geographic region? For example all objects related to vegetation (trees, grassland,...), but ...
4
votes
3answers
738 views
Global solar radiation data
I need a solar radiation data in central Asia. Is there any global dataset of solar radiation. If someone know about it, please send to me the link.
thanks a lot
1
vote
2answers
291 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,
1
vote
1answer
87 views
Paleoclimatology Data
I have been looking for paleoclimatology data. I have found some with NOAA ( http://www.ncdc.noaa.gov/paleo/data.html ) but all the data is stored as a KMZ and a series of linking text and html ...
2
votes
3answers
63 views
Polygons for postcodes in Spain
Is there a source (free or paid) for polygons of border coordinates for spanish postcodes?
Google show this borders in google maps, but doesn't provide them.
3
votes
2answers
154 views
Convert multiple TIFFs into one?
I have downloaded the Blue Marble dataset, and it consists of eight GeoTIFF images, labeled like this:
A1 B1 C1 D1
A2 B2 C2 D2
I would like to use these tiles for GeoServer to be served as WMS. ...
40
votes
13answers
1k views
The GIS of War - Tracking Conflicts and Their Effects
I was idly speculating on the many sorts of things people are keeping track of these days with GIS - natural/human catastrophes, demographic and economic patterns, climate change, etc. In that vein, I ...
2
votes
0answers
94 views
Where can I download free or open access census datasets for China, including their respective spatial boundaries?
I am interested in the equivalent of US Census Bureau open data and its relevant Tigerline spatial data, albeit for China. In Canada, we also have data released by Statistics Canada along with ...
0
votes
0answers
28 views
Where can I find annual temperature & relative humidity data of every town in India?
Need the historical data of temperature & relative humidity of a place called Bhiwadi in Rajasthan state of India
2
votes
2answers
84 views
Is there a source for leaf-off aerial imagery?
I am looking for leaf-off imagery for Oklahoma, Kansas and Texas. 1m leaf-off imagery would be ideal, although any substitute would be helpful. I need fairly high resolution imagery to distinguish ...
2
votes
2answers
495 views
Detailed Bathymetric/Bathymetry contour data (0-200M)
I am looking for free Bathymetric contour data in shapefile format for depths between 0-200 meters for North America. I prefer contours at 10 meter increments, but will take whatever I can get.
I ...
6
votes
8answers
895 views
Where can I get pointcloud data?
Is there any freely available pointcloud data?
I'm especially interested in dense clouds of small areas(5m to 100m radius) but anything else would be fine too.
0
votes
0answers
31 views
Which map provider offers information about restriction maneuvers for Venezuela?
I need to add turn restriction to my application. However, my map provider (Navteq) don't have this one for Venezuela and other countries.What other map provider could have this information?
1
vote
2answers
64 views
Where can I download Southern California Interstate Highway System in a Shapefile?
Does anybody know where I can download the Interstate highway system (as a shapefile) for Southern California (the area around San Diego in particular)?
Thanks, in advance!
10
votes
7answers
5k views
Where can I find Canadian postal code geometries?
Where can I find the shapefiles for Canadian postal codes?
