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8
votes
2answers
3k views

Ordnance Survey grids - download or generate?

Does anyone know a source from which to download vector UK Ordnance Survey grids at varying resolutions? Or failing that, a tool that can create an OS grid at a specified resolution? There are plenty ...
1
vote
0answers
40 views

Building customized data set from American Community Survey data?

I am trying to create a database in SQL Server with a customized dataset containing census information from the American Community Survey content available online. I want to show a granularity in my ...
1
vote
1answer
39 views

Where can I get GIS data layers that show sea ice data for the Beaufort and Chukchi Seas?

I would like to put a layer on my basemap that shows sea ice coverage levels for both the Beaufort and Chukchi Seas off Alaska for the last few years. Is this available anywhere? Would I have to make ...
0
votes
1answer
18 views

rural, urban data of the UK

I am looking for some reliable and potentially free data the divides the UK into rural, urban etc. sections: https://www.gov.uk/government/collections/rural-urban-definition the classification can ...
1
vote
1answer
62 views

Listing Data sources using arcpy: ListLayers very slow

What I am trying to do is create a list of all the data sources in a directory filled with mxds. So I have this code pasted below. For some reason when listing layers it can take up to 50 minutes even ...
1
vote
1answer
649 views

Google API for Boundary coordinates

Is there any Google API (or any other) which can provide boundary information (i.e. Lat, Lng) for a particular location. Location can be a city, district or a region with in a city. For Example Dammam ...
2
votes
1answer
631 views

Managing sizes of input rasters for raster calculation in ArcGIS Desktop?

To calculate any formula (conditional statements/relational operation etc) in the raster calculator in ArcGIS using two different sources of raster images, I'd like to know input rasters must be the ...
1
vote
1answer
32 views

Test data for geocoder

Can you suggest good international test dataset for geocoder testing? Best if it would have unstructured and structured addresses, and coordinates, but even significant number (thousands, millions) of ...
2
votes
2answers
2k views

Where can I download a free dataset containing major ports across the world?

I am working on an analysis and would like to incorporate major maritime ports from across the world. Some initial searching turned up a dataset produced by General Dynamics, however it will be ...
1
vote
1answer
20 views

Where can I access location data for aquaculture sites across Europe?

Where can I access location data for aquaculture sites across Europe? Ideally there might be, though I haven't been able to see, a dataset held by the EU identifying every aquaculture site (sites ...
0
votes
0answers
28 views

I am looking for Thermal IR Photography with 1 m resolution?

I am looking for thermal IR photography with 1m resolution? It needs to be recent or maybe a company in western Canada that can fly a mission like this. Satellite or flown photos both work, I am just ...
5
votes
4answers
834 views

Australian Topo Map GeoTIFFs

Does anyone know if Australian topo map GeoTIFFs are made available anywhere (preferably for free)? LINZ makes them available in New Zealand - http://www.linz.govt.nz/topography/topo-maps/index.aspx ...
7
votes
5answers
9k views

Source for GeoJSON data for the US

Does anyone know of any good sources for US data (counties, congressional districts, etc) in GeoJSON format? Has anyone converted public-domain shapefiles/sources to GeoJSON that they would be willing ...
0
votes
0answers
47 views

Railroad mile post downloadable data

Searching for a way to download railroad mile post data from http://fragis.frasafety.net/GISFRASafety/ It appears the site has no way of obtaining their mile post data but it should be available ...
3
votes
1answer
7k views

How to add points to a point vector layer - QGIS

I have a point layer with multiple data points in QGIS, but I want to add some extra data points to it and adjust some info that we missed because the ground was wet and we needed to go around it. I ...
0
votes
0answers
20 views

Source for granular administrative region data for the world?

I'm trying to find an exportable to Excel/Access data source for all (or most) of the countries of the world that includes fields for varying levels of administrative regions up to the zip code level. ...
4
votes
0answers
173 views

Which remote sensing satellite is best used 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
1answer
30 views

urban and rural areas of the UK

Just curious, is anyone aware of any (commercial) data sets that divide the UK into urban and rural areas based on admin data (e.g. outcode postcodes) and/or physical data (e.g. eastings and northing ...
31
votes
7answers
17k 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 ...
14
votes
3answers
1k views

Is there an automatic function in QGIS to package all files in a project for transferability?

In my project, I use a lot of geodata from different directories. Now I want to give the QGIS project to a colleague (eg on a CD). Is it possible to copy the shapes from different directories ...
17
votes
3answers
6k 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 ...
1
vote
0answers
100 views

Legend of CORINE land cover in ArcGIS 10.x layer file

I am looking for the legend of Land Cover (Corine Land Cover) for ArcsGIS 10.x. as a layer (.lyr) file. I want to symbolize the classes without setting the RGB color values one by one; especially for ...
0
votes
1answer
50 views

Finding British Columbia township grid?

I'm looking for a shapefile of the Dominion Land Survey township grid for British Columbia. Where might I find this data?
0
votes
2answers
68 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 ...
4
votes
2answers
80 views

How can I identify lines that intersect a certain raster layer area?

How do I identify certain roads ( of a line shapefile) that intersect with a layer that is produced from the reclassify tool (for raster data)? I am trying to identify which roads specifically are in ...
2
votes
1answer
85 views

What does number of shapes does not match the number of table records mean when trying to repair a data source?

I'm trying to repair a data source on arc from a .shp file. Every time I match it with the correct .shp file it display an error message stating "Number of shapes does not match the number of record ...
0
votes
0answers
39 views

Zonal Statistics as Table having problems with Mosaic Dataset

I have a mosaic dataset of forest cover around the globe for the year 2000 (each cell's number contains the percent of forest cover in that area). I have randomly selected a large number of points ...
0
votes
2answers
36 views

Solar potential or irradiation GIS data for India

I am looking for solar irradiation data for India in a gis format. Like the ones on the link below: http://www.arcgis.com/apps/OnePane/basicviewer/index.html?appid=bf886ca471a54e2c9127a54f60d4ca27
1
vote
1answer
96 views

Where can I find shapefiles for OECD Regions?

Does anyone know where shapefiles for OECD (Organisation for Economic Co-operation and Development) Regions might be found? The regions are defined in this document: ...
0
votes
0answers
79 views

Los Angeles public parking lot polygons?

So, I'm looking for some relevant data to incorporate into my map, and one of them is public parking polygons. Is there such a .shp file with these data?
1
vote
1answer
60 views

Error in executing commands in GRASS GIS

I'm using Grass 6.4.3RC2. I have a problem because when I execute the command: r.radcov csv_file=cell_list_hataDEM_umts_amc_testTEST.csv dem_map-AlbSRTMdem@PERMANENT clutter_map=AlbClut@PERMANENT ...
1
vote
3answers
81 views

Source for wind energy potential for India in GIS format

I am looking for wind energy data (they can be wind speed at any height or wind energy potential) for India in a GIS format. Like the data displayed the link below: ...
4
votes
1answer
82 views

Which system of units does the unit 'degree' belong to?

Let us say that I would like to store latitudes and longitudes like this: lat 35 degree long 80 degree Which system of units does the unit 'degree' belong to? It is not really a SI unit nor a ...
1
vote
1answer
31 views

Where to download Mars DEMs and landcover?

I'm looking on the websites of the Mars Global Surveyor and the NASA sites, but all of the data is in jpeg or img form. Does anyone know where to find useful raster data sets for elevation and land ...
2
votes
1answer
90 views

Can't import certain tables from SQL Server to QGIS

This is a list of 193 zip codes and their geometries that do not import in QGIS. This is a list of 999 Census Block Groups and their geometries that do import in QGIS. This is the Add MSSQL Layer ...
0
votes
1answer
57 views

Protected general and admin settings in GeoODK app

I was wondering how to prevent the user to change the general and admin settings of the GeoODK (android-collect)? I mean to be protected with a password, for example. I've tried to go to settings > ...
6
votes
2answers
827 views

Where to find shapefile basemap for the Indian Ocean?

I need to plot point data over a basemap of the Indian Ocean. Can anyone tell me where I can find such a basemap in shapefile format?
8
votes
5answers
3k views

Is there a way to view KML natively in ArcMap?

Answering this question: How do I import/export KML to ArcGIS Desktop? raised another one. There are loads of tools to import/export kml/kmz. Are there tools available for native viewing of KML in ...
4
votes
5answers
2k views

Where can I find free Bathymetric data for Indian Ocean?

I am looking for bathymetric data, to place in a map of India for visualization only. I don't really need very high resolution data, since the the map will be at a very small scale: Maybe 1:1Million ...
1
vote
0answers
51 views

How to get the elevation of the complete sea floor?

I am not a cartographer, I am an analyst-programmer, I know nothing about SRTM, DXF, PostGIS, QGIS... I just saw those names in other questions... Is there a quick guide where I can learn about this? ...
5
votes
4answers
3k 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?
0
votes
0answers
23 views

ISO 3166-1 + ISO 3166-2 data plus lat long border data

Could anyone please be so kind and point out a commercial/reliable source of up to date ISO 3166-1 + ISO 3166-2 data plus lat long border data?
2
votes
0answers
32 views

Trimble pathfinder data dictionary default value exclusion

Is it possible to have a numeric attribute in trimble pathfinder without having to use a default value? I am trying to make a numeric attribute compulsory to fill in BUT because the data dictionary ...
0
votes
2answers
126 views

What are my options for geocoding a large dataset for free? [duplicate]

I'm a software engineer new to GIS and mapping systems. Recently I have been playing with ideas for applications built from the Center for Medicare/Medicaid Services 2012 cost dataset. It consists of ...
0
votes
3answers
157 views

Looking for Employment Density Data: Employees per unit of area by industry by county (USA)

What I'm looking for something like this: http://www.bls.gov/cew/ew07fig20.pdf For those that can't see it, the second page of the PDF has a map of Employment density within manufacturing by county, ...
0
votes
1answer
56 views

Insert rows into CartoDB from code

I have a simple web page where i show my cartoDB map and a dataset. I want to know if there is any way to insert new rows into my cartoDB dataset from code, so external users can add points to the map ...
8
votes
2answers
260 views

How to efficiently (programmatically) determine whether two datasets have / don't have identical content?

Given: a geodatabase A that contains 100 datasets named a1 .. a100 a geodatabase B that contains 100 datasets named b1 .. b100 I want to programmatically (*) determine for each dataset pair (ai, ...
4
votes
1answer
3k views

Exporting .jpg files from data driven pages in Arcmap

I have generated about 90 maps through data driven pages(ArcGIS 10.0). I now want to export them as .jpg files in either landscape or portrait format. I tried python but it is not working, it worked ...
0
votes
0answers
48 views

3D building data for London

Any tips on where I can find 3D building data for UK/London, preferably LOD2 (Including roof structures)? I am aware of the Virtual London dataset but I would like a more recent one.
4
votes
2answers
654 views

Where can I find Ethiopian electoral constituency and district (woreda) boundaries data?

I am a PhD student in Development Studies in Oxford. I'm trying to find a map of the Ethiopian electoral boundaries. These are not the same as the district (woreda) boundaries - districts can be in ...