Questions tagged [data]

Any collection of related facts arranged in a particular format; often, the basic elements of information that are produced, stored, or processed by a computer.

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3answers
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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 ...
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1answer
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How do I from convert from street level address to block/block group/census track?

I just downloaded block-level census data, using this answer Where to get 2010 Census Block data? It output a spreadsheet with a bunch of rows of the format GEO.id | GEO.id2 | ...
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3answers
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Where to obtain free 15m ASTER image for New Mexico?

I am looking for a free Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image that will let me to perform NDVI for the pilot crop health/soil moisture that can go as far back ...
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2answers
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Where can I find a global geocoding dataset based on postal code?

I'm looking to purchase a dataset (with a contract for updates) of postal codes to lat/long and city names for as much of the world as possible. Ideally the data would look like: country_code ...
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4answers
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Understanding U.S. Census MSA to place relationships?

I need to aggregate place-level data by MSA (metropolitan statistical area). I'm referring to U.S, Census "places" and MSAs ("places" might be townships, boroughs, villages, etc. they're the level ...
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1answer
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Seeking neighborhood boundaries for Saudi Arabia?

I currently have set of coordinates (lat,lon) that I would like to associate with neighborhoods or districts in Saudi Arabia. Therefore,I might be looking for neighborhood boundaries (polygons ...
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3answers
828 views

World map with clear difference between land, sea and inland waterways

I'm looking for a free high resolution map that clearly indicates the land and sea in the world. I need it to calculate distances over sea between ports. Additionally it should also include inland ...
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2answers
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Remove unneeded columns from geographic data file?

I have some GML data that has some unneeded columns in it. I'd like to remove these columns in order to reduce the file size. (To clarify: I mean that the file has many points in it, and each of these ...
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0answers
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Touristic poi-data (api or dump) with popularity measure? [closed]

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 ...
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4answers
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Does the USDA SSURGO database have a web-based API that I can query?

Based on a previous question, Can I download the entire NRCS SSURGO database?, it appears that it is difficult to import the entire USDA SSURGO database. The Web Soil Survey provides the ability to ...
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3answers
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Shapefiles for U.S. Area Codes (NANP)

I have a bunch of telephone numbers (just the area codes), and I'd like to geolocate them and make a map, but I haven't had too much luck googling for shapefiles for Area Codes. Surely these are in ...
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4answers
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Where can I find a shapefile for the coastline of North America?

I am looking for a shapefile representing the coastlines of North America, such as something like this: http://www.diva-gis.org/gdata Does anyone have any suggestions?
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4answers
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Seeking polygon shapefile of countries, states and islands?

As often happens, the hardest part of GIS is to come up with clean shapefile with an attribute table. I need to create a choropleth map, but all I have is this: Domicile,Captives New Zealand,24 ...
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1answer
298 views

Determining size of grid cells created by vector grid tool of QGIS?

I am working with QGIS 1.8.0 and Im making a vector grid on a map. Does someone know how big are the squares if the grid settings look like in the picture?
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1answer
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Is there a source for free CSV files with geo data and other desired fields? [closed]

I'm writing some software components that process geospatial data. The input data is a CSV with general columns (e.g. name) and geo columns (e.g. city, lat or zip). I would like to test these ...
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2answers
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Data organization strategies for .csv and .shp

I'm organizing a large amount of data for a project and the data is stored in .csv format, with a code to relate each row to a polygon in a .shp. I was planning on converting the .csv data into .dbf ...
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1answer
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Automated quality control and assurance - geodata?

I've recently started looking at the issue of automated quality control and assurance of geographic data. What software exists that can be used for accomplishing this? Esri has got their product '...
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2answers
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All US 2010 Census Data - Tract Level

I'm trying to find where I can download all the data (summarized to the tract level). By all data, I mean population race Marital status job wage age sex same sex couples kids education I need this ...
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2answers
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Indian Latitude Longitude values

I am in need of around 10000 and odd Indian latitude and longitude values for my openlayers project. I have to load them in a postgis db. so a sql file or atleast text file would be better than a link....
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1answer
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UK cities boundries in Ordnance survey

Are there any city boundaries of UK cities in the Ordnance Survey?
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4answers
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How to read this data file and convert it to raster format for analysis?

I am trying to introduce the 5 degree dataset from here http://www.cru.uea.ac.uk/cru/data/precip/ (it is the first link). And once I introduce it to GIS to use it as a raster input to calculate zonal ...
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2answers
552 views

convert GPCC precipitation data

maybe someone has already worked with the GPCC precipitation data from this site: ftp://ftp-anon.dwd.de/pub/data/gpcc/html/fulldata_download.html and knows how i can convert this strange format to a ...
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5answers
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Data providers equivalent to USDA/NRCS/FSA Common Land Unit (CLU)?

For one of my agricultural projects, I really need reasonably accurate field boundaries for fields in the US, specifically Iowa right now but later, other similar states. The USDA/NRSC/FSA Common ...
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3answers
962 views

Seeking shapefile for Pacific Ring of Fire?

I have been googling around for the shapefile that can be used to produce a map of the Pacific ring of fire, e.g. the pink region in the following map. All I could find were the map images, but I need ...
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2answers
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UK regional shape map with Scotland, Wales and Northern Ireland

We have obtained boundary line data for England from the Office for National Statistics portal, which displays English regions like: We want boundary line data for regions within the United Kingdom. ...
3
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2answers
855 views

How to download Open Street Map data in QGIS? [closed]

I'm trying download data from OSM in QGIS via Openlayers plugin. Downloading is successfull, but when I add layer to project, many of the features are missing. Is there any limitation, or does ...
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0answers
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Seeking Singapore postal districts boundaries? [duplicate]

Does anyone know where to get GIS data for Singapore postal boundaries? I need a shape or KML file which I can then overlay onto google maps to show a neighbourhood break down of Singapore.
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2answers
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Where can I find non-rectified stereo satellite imagery?

I'm looking for free (as in beer and as in commercial-use-friendly freedom) sources of stereo satellite imagery. I assume that such imagery should not be rectified since that would remove the benefits ...
3
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1answer
627 views

Getting Borders as SVG using Peters Projection?

Is there a place where I can easily download the borders of all countries and continents as SVG using Peters Projection? Or what is the easiest way to get those? (I haven't installed anything on my ...
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1answer
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Seeking 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). ...
2
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2answers
733 views

How to find number of synchronized records in ArcGIS10.2.2 (Data Management)

I want to find number of records synchronized while using arcpy.SynchronizeChanges_management tool. Right now, I'm getting only messages like process is Executing, Synchronize successfully completed......
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2answers
702 views

QGIS - exercise data

I´m working currently through the QGIS training manual. However, the data for the spatial analysis exercise in chapter 9.4 (http://docs.qgis.org/2.2/en/docs/training_manual/complete_analysis/...
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4answers
540 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
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2answers
268 views

Where can I go to have a rant about Open GEO Data?

Which is the most popular GIS forum or website that's not under the control of our corporate or government overlords? This place is great for questions and answers, but if I want to have a discussion ...
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1answer
703 views

Is geocomm.com permanently unavailable? [closed]

I have been trying to get to some county data from geocomm.com but the website has been down for several days. Does anyone have information regarding their status?
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2answers
354 views

Is it possible to change CRS without the .prj file?

I'm working with QGIS and trying to change the CRS of some maps. Is is possible to do it without the .prj file?
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1answer
3k views

Looking for Ocean Dataset

This may seem like a very simple request, but does anyone have or know where I can get a shapefile of the ocean around the US? The only thing I can find within my ArcGIS BA is the ocean background, ...
1
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1answer
297 views

Is GeoPlanet dead?

I'd like to start a side project that will rely heavily on the relationship between places, and GeoPlanet does this wonderfully. However, the latest version I can find of the data GeoPlanet Data v7.10....
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5answers
3k views

US / Mexican border data

I'm interested in locating free GIS shapefile data representing the US / Mexican border. I have found a point layer depicting the border crossing points but I'm interested in a polyline feature ...
1
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1answer
430 views

How to sum the values for bins with the same location?

I have two maps in CSV form, each has a latitude, longitude, and value column. Since not all the positions in one map are in another map, is there any way in QGIS to display a new map which only shows ...
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1answer
220 views

How to Plot Every Other Address on Street?

I have no idea if this is even possible. We run a Utility software company and need to know where to put the leak sensors. The sensors are put at either every other house or every two houses depending ...
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4answers
4k views

Administrative boundaries of Brazil? [duplicate]

I am looking for coordinates (longitude and latitude) of each state of Brazil. Where can I find that? I have found a file for the US states here: http://econym.org.uk/gmap/states.xml, I am now ...
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2answers
2k views

Polygons of countries including territorial waters

Where can I get polygons (multipolygons) of all countries of the world including the territorial waters of the countries? OpenStreetmap displays these areas but I can't find an extract of this ...
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2answers
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Where do I get Elevation Data for Scotland?

So I am new here and I arrived here because I have been searching for quality elevation data for the entire Scotland but I have not succeeded yet. Kindly help if you know where to get the data Raster ...
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2answers
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Seeking border of Netherlands to use in ArcGIS Pro?

I am a beginner in ArcGIS Pro. I asked a question before (Expanding IDW interpolation to borders of country in ArcGIS Pro?), but I feel like I do not understand the basics enough, so a more basic ...
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1answer
1k views

Retrieving lost data from QGIS

I'm trying to help a friend retrieving QGIS data from a formatted drive. Finding the .qgs project that was saved on the desktop is no problem, but it seems that there is no actual data located in ...
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1answer
428 views

Basic instructions for loading OS Terrain 50 data

Are there any basic instructions for using the OS Terrain data available online? I do not have an issue extracting - it is all sat in a folder ready to go. What I cannot work out how to do is to ...
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2answers
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Where can I get UnitedStates.gdb file

I am doing this tutorial http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#/How_to_geocode_a_single_address/00010000038r000000/ but it requires the following file: ...
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2answers
437 views

Is there way to acquire flight paths? [closed]

I am attempting to do a project for work that requires checking general (assumed or average) flight paths (position and speed along the route) against other data. Does this exist somewhere? Ideally ...
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1answer
104 views

Seeking vector data for wind speed and operating turbines in UK? [closed]

I have been familiarising myself with QGIS and the free information Ordnance Survey provide. Though I'm struggling to find further data specific to my needs. I want to produce a map plotting ...