Questions about obtaining data.

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1answer
16 views

How to join the shape to an external data

I'm developing an application that uses Shapes only to draw the map. I would like to "Inject" the data at the time of viewing, since my data is dynamically changing. Anyone know of any way of doing ...
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0answers
11 views

Polygon files corresponding to Russian Census

My team is using the 2010 Russian Census and we'd like to have polygons that correspond to these population values. We're flexible to any sort of polygon format (shapefiles, GeoJSON, KML, etc). ...
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0answers
32 views

Looking for a data source for all villages, towns and cities in the world

So, I've been working with Geonames data dumps, but I am finding that they are either not complete enough (cities > 1,000 population), or too complete. Here's an example of being too complete: ...
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2answers
71 views

Is there hydrologically correct water-course data for Africa

I was wondering if there are any hydrologically correct river-channel data available for download for Africa? By hydrologically correct, I mean the topology should be correct. Connected river ...
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0answers
23 views

Finding political party affiliation data for the US

My ideal find would be party registration or affiliation down to the household, Congressional district, block, block group or Zip code level for the whole country. I've been sniffing around for a ...
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3answers
44 views

How to sum all values with the same ID in ArcGIS Desktop? [duplicate]

I did a one to many spatial join and ended up with an attribute table as follows: Lets say we have 5 different IDs that have numerical values in 500 rows. I need to sum the values for each ID, and end ...
4
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3answers
329 views

Free radar (SAR) satellite data

I'm looking for free (non-commercial use) sources of radar (SAR) satellite imagery. Does anyone know of sources?
4
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1answer
96 views

Highest resolution Digital Elevation Model for the UK?

I need the most precise and highest resolution free digital elevation model for the UK. Would OS terrain 50 or ASTER GDEM be more suitable for view shed analysis?
3
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1answer
20 views

extracting geographic location from NOAA NARR grib

I've downloaded a NOAA NARR grib file that I want to extract the wind component as well as the geographic location. I'm able to extract the wind component from the grib but I can't seem to find any ...
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1answer
354 views

Why use a database when you can have all of your data in javascript/openlayers?

I have a really simple and basic question. First of all, I have to mention that I am pretty new to web applications and GIS. I am working on a web application using Openlayers, Postgresql/postGIS and ...
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0answers
11 views

Looking for Offshore Wind data for Puerto Rico and the USVI

NREL seems the obvious provider for such data but the NREL data download page only provides onshore wind data for this area. NREL even has an offshore wind energy map image for Puerto Rico and ...
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0answers
22 views

Lake Victoria bathymetric data

I am trying to find bathymetry for Lake Victoria (or portions). Any GIS format and almost any resolution will do. As a last resort a hydrographic chart will suffice.
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0answers
11 views

New York Vision Zero Data

I'm trying to open Vision Zero Data provided by NYC, but they've not provided any documentation or guidance. Does anyone have any guidance? I'm ideally looking for such data in a CVS/excel type ...
2
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1answer
17 views

Sourcing Historical Wind data?

I'm looking for a service that provides hourly historical data for 24h and back. I am currently interfacing openweathermap.org but had to find out that not all stations provide this feature. Are ...
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0answers
15 views

2.4.0-Chugiak PostgreSQL layer subset causes DB error

I have succesfully connected to pgsql layer. I got an error after trying to define feature subset in query builder. Can anybody help with this error? An error occurred when executing the query. ...
3
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2answers
43 views

What are the types of bus routes data, which are made available from Open Street Map (OSM)?

With regards to bus routes, what are the types of data which are made available for download. Is it possible to export a region's bus routes in open street map (OSM) or GIS data format?
2
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1answer
42 views

Where can I download Yahoo's Geoplanet Data?

I was trying to Download the Yahoo Geoplanet Data, so that my application does not have a dependency on the API provided by Yahoo. When I go to the download link, I see the following message: We ...
3
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0answers
45 views

Where do I find official summit elevations found on USGS topo maps?

I'm creating topo maps for my day hikes guides for national parks. I've already done one for Glacier National Park. When I was working on summits, I downloaded the data for Montana from GNIS and when ...
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1answer
36 views

Where to download shapefiles of interest for Honduras

Where can I download free Shapefile data for Honduras including: roads departments municipalities points of interest
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4answers
98 views

Looking for London postcode to area mapping data

I am looking for London postcode to area mapping data. I have reviewed several databases and API's and most resolve a postcode to at best a district and a ward, which doesn't correspond to the ...
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1answer
32 views

Looking for a complete list of cities by state, with area code

Our company is working on moving our sales assignments from area codes to ZIP codes, and we need some kind of dataset to help move existing assignments to the new system. Does anyone here know where ...
0
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1answer
24 views

A Tool for Mapping Metropolitan Statistical Areas (MSAs) to Addresses

My and team and I ran a series of zip codes from addresses within our data set against MSA to Zip Code data found on The Census' website here. We found that a relatively high number of the addresses ...
8
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1answer
118 views

Is cost of new LiDAR data reasonable for deliverables provided (in Canada)?

My organization is considering hiring a company to capture new LiDAR data to help with current storm water issues that we are currently experiencing. I am a GIS analyst that has been assigned with ...
2
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3answers
68 views

How to get shapefiles or kml files for city map in India?

I am doing a project. In that I'm using QGIS for visualization purpose. Using the OpenLayers plug-in i am getting map of a city. What i want to know is whether I can convert that into shapefiles ...
3
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1answer
35 views

Trimble GPS data is not displaying in ArcMap attribute table

I am currently having difficulty trouble shooting a problem. While using a TRIMBLE GEOXH (GeoExplorer 2008 Series) I have the problem of missing data after exporting it to ArcMap from my GPS receiver. ...
1
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1answer
65 views

Exonyms dataset

Does anybody know some Exonyms dataset? What I would like to find is a list of Europe cities/toponyms in different languages where all the cities refer to the same. Example: London, Londra, Londres, ...
2
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1answer
34 views

How to convert tif to dep extension?

In white box when i try to import or do any processes it's asking .dep extension How can i convert .tif into .dep extension?? If try to pass LISS3 data in GRASS GIS it is taking as single bands. So i ...
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2answers
365 views

Where can I get land-use data for Nigeria?

Anybody knows websites of land use for the Federal Republic of Nigeria? Free or paid. I am looking for the states of Kogi and Anambra.
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0answers
50 views

Downloadable, Open Source, IP GeoLocation database

I have an open source project I need a similarly open source IP GeoLocation database for. i.e. IP address to country (and ideally city). Ideally with a license that allows redistribution. This is a ...
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0answers
17 views

Is there an api for world terrain/biome data?

I'm looking for an api where I pass a lat/lng, and get "Desert" or "Mountains" or "Ocean" back. Just the general biome of the area. Most of what I've seen involves getting tiles back, so you can ...
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0answers
29 views

Where to find spatial-temporal data? [closed]

I am an italian student, and I'm looking for a particular dataset. I'm interested in a model for spatial regression, with time-varying data. I'm looking for data with coordinates, measured in ...
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0answers
18 views

Where is it possible to download a DEM for the Romanian east carpathians? [duplicate]

I'm quite new to GIS and have only done a few small tasks for Projects at University and the required data has always been provided. I am now struggling to find the specific DEM I need. Also other ...
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1answer
43 views

Superimposing high resolution NetCDF data on Google Earth?

I have got output from Weather Research Forecasting Software(WRF) in NETCDF format. These are basically high resolution forecasts for precipitation and wind barbs(sea breeze circulations or slope ...
4
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3answers
48 views

Residential tree cover for surveying?

Can someone point me in the direction of some high spatial resolution and reasonably recent satellite imagery for central Canada (Manitoba)? I am trying to determine whether I can generate accurate ...
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0answers
33 views

Data extract widget - Flex

I have successfully created a data extract widget. It works great. I would now like to be able to set a limit say of 5000sqm or something. I have seen other sites do this. They have a message pop up ...
3
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2answers
89 views

Basic question about downloading SRTM 3 arc resolution data

I want to be able to download high resolution 3 arc degree resolution (90 meters) from NASA's earthexplorer.gov site. However it is a bit confusing for a beginner like myself. I want to be able to do ...
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2answers
110 views

Where/how to find ortophotos

I am very new to Geographic Information Systems. I have a very basic inquery; How do I get hold of the newest ortophoto of South Africa to use as a background map for my GPS data? I'm using QGIS but I ...
3
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3answers
46 views

Is there a way to shift data in an attribute table so that all attributes are moved to a different coordinate?

I have several shapefiles where the attribute table is composed of timestamped data that is appended to the coordinates. Because of the nature of my data, I need to apply a time lag so that the data ...
2
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4answers
135 views

Shapefiles of Central America and Mexico coastlines?

Does anybody know/has a shapefile of Central America + Mexico (WSG84) (with no administrative boundaries) at a low resolution that could share with me? I'm looking for a very simple shapefile without ...
1
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1answer
45 views

What type of data is available at the “census block” level? [duplicate]

I'm curious what is available at the 'Census Block' level, the finest scale. I found this dataset: http://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/ It contains HOUSING10 and POP10, ...
1
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1answer
53 views

Where could I download Income data at the Block Group level… census data [duplicate]

Where could I download Income data at the Block Group level, actually I'm not sure where or how to download it at the tract level either. I would be interested in the most recent data that is ...
2
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1answer
22 views

Finding DEM/HIllshade sources California

Creating watershed maps for schools. I want to color ramp the elevation to show low and high points. What kind of files do I need and where to find them?
1
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1answer
39 views

Easy Guide to ESA satellite data?

Can anybody provide user friendly guidance to ESA datasets? What is available? When will new stuff be available? I struggle to work out what might be interesting amongst the many websites and their ...
2
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1answer
47 views

Where can I find official Land Use/Land Cover GIS data for Ecuador?

Right now I'm specifically looking for Land Use/Land Cover data but things like roads and soils would be handy in the future as well. In the U.S. my source for nationwide LULC data would be the ...
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0answers
36 views

Is there a way to automate POI collection from websites?

I am searching for an easy method to get lots of points geotagged/georeferenzed into several shape files. I am working at a project where I need to collect all parcel shops in germany (but I will try ...
3
votes
1answer
308 views

Is there a way to get accurate daily U.S. populations? [closed]

I suppose you could interpolate from the Census data, but I am interested in a data feed that has accurate DAILY total population of the U.S. The finer the granularity, the better (so if there was ...
2
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4answers
237 views

Shapefile for India which includes Telangana (state)?

I need a shapefile for India which is up-to-date to display the regional borders. By up-to-date, I mean that it includes Telangana as a state. Many shapefiles that I downloaded do not have Telangana ...
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0answers
18 views

Determine driving distance - commercial service

I need to determine driving distance for several hundred possible routes. I have latitude and longitude data available. Is there a service that can perform these calculations? Appreciate your ...
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0answers
49 views

Get house addresses within polygon?

Is there a data source/service for the USA where, if we provide a polygon, it provides the addresses of all houses contained within it? I just want to know if this type of functionality or similar to ...
2
votes
1answer
67 views

Where can I find a shapefile of the UK electricity grid network?

Does anyone know where can I download a shapefile with the UK electricity grid network?