Questions about obtaining data.

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2answers
25 views

How to obtain data to create average precipitation in 2012?

I am currently doing a final project, which I have to create a map of 2012 average precipitation of lower 48 states by using natural neighbour interpolation. The problem is that how can I get the ...
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0answers
14 views

Where do I get the coordinates of (african) borders from? [duplicate]

I want to draw a map of africa. Therefore I tried to find the coordinates of the coast and the borders as latitude/longitude. Where can I download this data for free, preferably in Excel format?
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0answers
10 views

Get SHP or SVG from GADM subdivisions within a country (Guyana)?

GADM is a high-resolution database of country administrative areas. I have downloaded the whole world distribution (it is composed of several dBase III files and a big .SHP file). I am trying to ...
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2answers
36 views

Are there publicly avaiable run-off data for Africa

I was wondering if there are good publicly available dataset for surface run-off (water)? I have a rough idea that surface run-off should be some function of rain-fall and soil ...
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1answer
30 views

Public GIS data for lots within sections of township and range for NM, USA

Anyone know where to find a publicly available shapefile/fc of lot divisions within sections for township and range of New Mexico? I've been to several government websites that offer this type of ...
2
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1answer
57 views

Detailed topographical map of Istanbul

I need to acquire a very detailed topographic map of Istanbul, Turkey without any markers. Do you know such sources who provides these kind of maps? I tried to Google it, but the results were far ...
2
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1answer
35 views

Obtaining free satellite imagery for Australian floods?

How can I obtain free satellite imagery for Australia? I want to find the extend of flood in specific time. I have already tried land-sat.But unfortunately there is no data available for that specific ...
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2answers
38 views

Where can I find hydroelectric generation data for the U.S.?

It is my understanding that the US Army Corps of Engineers has some hydro generation data on their various websites (divisions, districts). For example, there is real-time hydro-electric data ...
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1answer
16 views

Append value(string) to multiple selected fields

In my attributes table I want to insert a new value to a few selected items, and keep the old data inside the field. The table contains multiple columns (street name, length... and public ...
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2answers
43 views

Is there a county-level maps dataset that includes independent cities in virginia?

and thank you in advance for your help. The following code shows the dataset I am working with: library(maps) CountyMapData <- map_data("county") head(CountyMapData) long lat group ...
2
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1answer
52 views

Where can I find a shapefile of hexagons that covers the world?

I'd like a persistent .shp that covers the world in hexagons (preferably of a decently small area)–does anybody know where I could find something like this, or perhaps what software I could use to ...
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0answers
24 views

OpenStreetMap how to identify major ports

I'm quite new to OSM data. Can anyone help me with the best tags to use to identify major shipping ports? I'd like to be able to identify cities that have a significant amount of commercial shipping ...
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1answer
25 views

Where can I find shape file for postal codes/zip codes for india?

I have been searching for free/paid (preferably free) sources for postal code shape files for india. Does anyone know where I can find one?
3
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2answers
50 views

LIDAR online training

Beside ESRI's LIDAR online training, I'd like to work on some hands-on training that I can learn about LIDAR. Are there any good LIDAR out there that I can get some training with the datasets ? ...
0
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1answer
69 views

Sources for free vector meteorological data [closed]

Does anyone know where I can find freely distributed data: In vector format, e.g. shp file. Forming polygons, not lines or simple points. Representing any meteorological event or state: ...
2
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1answer
32 views

Where can I find road attribute and network for New York City?

Is there any possible to find the attribute of each road (such as road capacity, speed, longitude and latitude.) in New York City ? Thanks
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1answer
20 views

Historic (and current) borders of Miami, FL

I am working from Australia and am new to US mapping and Census data. I am looking for historic boundaries of Miami (FL) from maybe 100-200 years ago. Also current boundaries would be great - what ...
1
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0answers
28 views

Where can I find free shapefiles of oil/natural gas pipelines in Mexico?

I'm looking for free shapefiles of oil or natural gas pipelines pertaining specifically to Mexico or even trans national pipelines between the U.S and Mexico. Thanks!
1
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0answers
20 views

XY coordinate data cleansing - search split and append not co mingling

My first question posted is for a project that stemmed from my current work where the data entered had some minor coordinate issues but to the extent of the data not being able to import more than 50% ...
0
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1answer
40 views

Where can I find data on Vegetarian Restaurants in the US?

I'm doing a GIS project on Vegetarianism and I'd like to include all of the vegetarian restaurants in the United States. I haven't been able to find anything like it, or even data on all restaurants, ...
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0answers
26 views

Is it possible using JavaScript and cartodb.js to get the layer's total amount of visible data in a certain moment?

I am working with a torque layer and I would like to know for each moment the amount of data points shown in the visualization.
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0answers
23 views

Optimized interpolation method with fixed-location sample data points?

I'm trying to find an optimized spatial interpolation method that deals with fixed-location sample data points. Say if I have fixed-location sampling sites and collect data daily, and then use these ...
1
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2answers
41 views

Worldwide High-Resolution Water Body Shapefiles with Consistent Scale

Where from your website can I access worldwide vector water body shapefiles that have better resolution than the generic SRTM 90m data? Do you have coastlines and inland features (lakes, estuaries, ...
4
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4answers
600 views

Now that NationalAtlas.Gov is retired/removed, where is the largest source of public shapefiles for the USA?

I used nationalatlas.gov for many years, downloading various shapefiles regarding water, roads, boundaries, environmental factors, and more. NationalAtlas.gov was a central public site that many GIS ...
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2answers
51 views

Find Healthcare Data by Geography and Income Level

Is anybody aware of a data source for healthcare related data (number of people covered, type, etc.) for any geography (looking for USA) that can also be broken down by income level? I've tried ...
6
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2answers
156 views

How do I convert a tweet into a point in QGIS?

I've been doing some research on using R to datamine twitter, but I haven't really found an answer or a decent tutorial for my question. I'm interested in pulling tweets from twitter with a certain ...
1
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1answer
23 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 ...
2
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1answer
51 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
46 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: ...
5
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2answers
89 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
36 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 ...
1
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3answers
59 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
400 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
109 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
37 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 ...
1
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1answer
360 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
13 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 ...
3
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0answers
35 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.
1
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0answers
12 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
20 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 ...
0
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0answers
17 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
51 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
52 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
50 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 ...
0
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1answer
50 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
1
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4answers
113 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 ...
1
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1answer
35 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
34 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
132 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
106 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 ...