use for questions seeking data that may include commercial/paid solutions - use open-data if it must be open/free

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1
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1answer
321 views

Open/Free Area Code Shape Files for the US/Canada

I would like to map magicJack's areacodes and exchanges against known area codes and exchanges to create a coverage map, just to see what it would look like as compared with, say, a mobile phone ...
3
votes
3answers
433 views

Is there projection issue with Natural Resources Canada (NRC) Canada Atlas hydrology data?

I have been using the Natural Resources Canada (NRC) data for various generalized maps but it is not until now when i overlaid higher resolution features obtained from the provincial government ...
4
votes
1answer
207 views

Using remote sensing satellite for chlorophyll mapping?

Location of my research are reservoirs which have an area of 47 and 62 km2. I need a better image resolution than Landsat(Pan).
0
votes
0answers
36 views

Problem with stretched value and classified value in ARCGIS desktop? They are different than each other

I want to classify the value of an image into 3 groups. when I check properties of a raster image, stretched value is different than classified value. Here I have uploaded the images as follow. I ...
1
vote
1answer
33 views

Is there any site where I can found city shapes in postgreSQL polygon format

Is there any site where I can found city polygon area (for postgreSQL or similar)? I don't know if such resources exists, and I don't know how to find it.
1
vote
2answers
51 views

Aegean Islands Spatial Dataset

I need a .csv file about the coordinates of all the Islands in Aegean Sea. Do you have any idea how I can find them?
2
votes
2answers
68 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?
3
votes
2answers
51 views

Where to get free seafloor elevation data

While I have found multiple sources for continental elevation layers, I have been unable to find sea-floor elevation layers. Specifically, I'm looking for data for the sea-floor around southern ...
2
votes
0answers
28 views

UK Postcode and London destination

New to this site... I'm working with Postcode regions in the UK and was wondering if anyone know if there is a dataset which give you postcode region and the most likely station destination within ...
1
vote
3answers
66 views

How to find income data by census tract or block?

I am trying to find a file with income data for every census tract. On the American FactFinder/Census websites, I can find data for each individual state or county but I want all census tracts in ...
1
vote
0answers
33 views

What happened to the “Enclosing Zip” field in the ArcGIS Zip Code Data? [closed]

In the "Data and Maps" data that is included with ArcGIS Desktop, the zip code points file, 'zip_usa' (or for example, the layers referenced here: ...
1
vote
0answers
42 views

Cooling Tower Geodata in Colorado

I would like to explore outbreaks of Legionnaires disease in relation to cooling tower locations. This work would be confined to Colorado, potentially even just the Denver metro area. I am wondering ...
1
vote
0answers
21 views

Inserting search box using dataset column using CartoDB?

I have got some problems to add a search box that can runs searching points from a column of my dataset. I've read this article: How can I link the search box to a dataset column in CartoDB? but ...
7
votes
1answer
980 views

How to extract bounding boxes of cities from OSM?

For simple geocoding purposes I want to extract all cities from a single country of openstreetmap. They only queries I want to do are: ZipCode -> (List of) BoundingBox of City/Village ...
-1
votes
1answer
37 views

Pipeline data for Brazil

I am looking for oil and gas pipeline data near Parnaiba, Brazil. I've spent hours search the web and I have yet to locate a source. Does anyone have any suggestions?
0
votes
2answers
58 views

Are there publicly available 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 ...
1
vote
2answers
95 views

ArcGIS Terminology and Data Types

What is the difference between a "Feature Class" and an "SDE Feature Class"? Or a "Table" and an "SDE Table"? When browsing data in ArcCatalog, hosted on the same enterprise gdb, I see these data ...
3
votes
4answers
1k views

climatic data from MODIS or other sources

I'm looking for climatic information in the form of raster like MODIS daily LST (Land Surface Temperature) data. I'm looking for other parameters like precipitation, humidity, air pressure and so on. ...
1
vote
0answers
631 views

Dubai - Sector/Community GIS SHP Data?

Where can I download free or open access GIS/SHP file datasets for Dubai, including their respective spatial boundaries? If these might not be available, where can I find a map outlining the Sectors ...
1
vote
1answer
233 views

How do I figure out the grid references (Eastings and Northings) necessary to create a circular 1 mile radius around one location?

How do I figure out the grid references necessary to create a circular 1 mile radius around one location? For instance: Grid Reference: SO 47904 87484 X (Eastings): 347904 Y (Northings): 287484 ...
0
votes
2answers
205 views

Watershed layers with names for each one for Europe or Sweden?

I am working on freshwater species and I would like, make a list of each watersheds used for each species. So I am looking for a watershed maps which contain name of the watershed. I found some good ...
1
vote
3answers
839 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. The WMS (bing and esri) I have been able to ...
2
votes
0answers
37 views

Wanted: A rather large DEM

I am looking for a rather large DEM --- on the trillion cell scale --- to run some tests on. So far, I have found: 200 billion cells: The SRTM Global Dataset 30m DEM 120 billion cells: The National ...
2
votes
1answer
59 views

Source for shapefiles or geo-referenced data for Madhya Pradesh, India

I am looking for data sources/shapefiles (demographics, cities, infrastructure, transportation, land cover, geology, etc.) for the state of Madhya Pradesh, India (specifically the Dewas or Khargone ...
0
votes
0answers
31 views

Flow Mapping Data

I have recently started experimenting with QGIS's flow mapping functionality. I am having trouble finding any origin/destination data online and I'm hoping someone can help? It can be for anything. I ...
4
votes
2answers
290 views

Is there a source for historical shapefiles of Europe in the modern era?

Is there a source for historical shapefiles of Europe in the modern era, i.e. starting ca. 1400? I know that "where can I find historic border data" questions were asked multiple times but I couldn't ...
22
votes
5answers
4k views

Is there a source for historical shapefiles and tiles?

Is there a source for historical shapefiles and tiles? Like the ancient Greece/Rome, medieval Europe and Japan? Ideally with multiple snapshots during different periods in their development, since ...
1
vote
1answer
57 views

Where can I find Colombia municipality geometries?

I'm looking for shape files (or some similar format) of Colombia's municipality boundaries. Wikipedia has a map that seems to be correct and which matches another dataset that I will eventually be ...
0
votes
0answers
50 views

Obtaining GIS data for Indonesia for property boundaries?

I am looking for parcel boundaries for Indonesia. Is there a site which can allow GIS data download for property boundaries?
2
votes
1answer
38 views

Quebec GIS Data

I'm looking for basic political borders for the province of Quebec, as well as property parcel data and topography. Any suggestions for inexpensive/free data?
1
vote
2answers
56 views

Finding vector data for UK railway lines?

Can someone point me in the direction as to where I can obtain vector layers for the following UK railway lines: DLR, GREAT ANGLIA, TfL RAIL, OVERGROUND, C2C, SOUTH EASTERN
12
votes
5answers
11k views

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 ...
2
votes
0answers
44 views

Where to download shapefile of 2km DINTY Tetrad squares for UK?

does anyone know where I can download a shapefile of 2km DINTY Tetrad squares for the UK please? A google search wasn't very helpful so I thought I'd try here. A Tetrad is derived from the British ...
0
votes
0answers
47 views

Free datasets of Europe's historical country borders since the Middle Ages [duplicate]

Is there a source for historical shapefiles of Europe since the Middle Ages? There was a promising answer to the similar question Is there a source for historical shapefiles of Europe in the modern ...
12
votes
10answers
25k views

Is there a comprehensive list of latitude and longitude values for cities around the world?

I'm developing an application that calculates the distance between cities using their respective Longitude and Latitude values. But the problem is where to get a comprehensive list of latitude and ...
0
votes
0answers
37 views

Low-res coastline of world landmass, in xml format?

Can anyone direct me towards an xml file, in typical OSM format, for the low-res coastal Ways of every land-mass on Earth? I need something easily renderable at low zoom levels, avoiding the ...
1
vote
1answer
99 views

Where can I find global spatial data for net primary productivity (NPP)?

The title is more or less self-explanatory. I have looked and looked but have met various road blocks. Does anyone know of a reliable source for such data? Thanks!
13
votes
6answers
2k 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
1answer
1k views

How to process topographic survey data in ArcGIS?

I am interested to find out how others process topographic survey data in ArcGIS. Often I am only given a text file or an Excel spreadsheet containing XYZ points and simple attribute information ...
2
votes
0answers
27 views

Pre-1998 Indonesia Kabupaten (Level 2) Shapefile

I am trying to find some "old" (pre-1998) Indonesia boundary files at the Kabupaten and province levels. It is important that they are pre-1998, or at least dating before the peak of the secession of ...
2
votes
2answers
434 views

Rasters added to mosaic dataset only display at large acale

I have a set of 357 rasters in .jp2 that I've added to a mosaic dataset. All but 7 of them display properly, but the 7 only display at larger scales, around 1:6500 and under. I've tried adding them ...
2
votes
1answer
42 views

Most recent tectonic plate data

What is the latest update to the positions of the tectonic plates? Does anyone have a most up-to-date shapefile or vector of the tectonic plates?
7
votes
0answers
554 views

Touristic poi-data (api or dump) with popularity measure

I'm looking for freely available touristic (hotel, restaurants, bars, attractions, etc.) poi-data that have some measure of popularity. With popularity I mean, explicit popularity like on ...
4
votes
2answers
164 views

“Official” delineation of North American mountain ranges

I need to subset mosaics of remotely sourced data to the extents of several prominent North American mountain ranges, starting with the Sierra Nevada. After searching for the boundaries of the range ...
3
votes
4answers
718 views

California State Parcel Data

I am looking for California state parcel data such as owner name, no. of stories, year built etc., for each parcel. I can get to the level that I can browse them in property appraiser site but don't ...
8
votes
3answers
2k views

Where can I find polygon data of wine (viticulture) areas and their main grape or varietal?

Where is coordinate data on the geographic boundaries of wine (vitaculture) areas and their main type of wine (grape or varietal)? a GIS shapefile or geoJSON file format would be perfect. Ideally I ...
34
votes
9answers
21k views

Most Up-To-Date Source for US Zip Code Boundaries

I was just wondering what the most up-to-date source for US Zip Code boundaries would be. My first thought was TIGER, whenever that comes out, but then I thought that the Postal Service might be a ...
4
votes
3answers
2k 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. ...
2
votes
2answers
299 views

Where can I get the location of all Universities and Colleges in North America?

This seems fairly straightforward but I'm having trouble finding the right data. All I need is the name, address, and lat long of all universities and colleges in North America. I've come across a ...
7
votes
4answers
1k 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.