Use for questions seeking GIS data of any type - if you seek Open Data then ask on Open Data SE instead

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Looking for major river basins boundaries worldwide

I need the data (lat,long) for the world's major river basins boundary. I want to use it in matlab, like "load coast" that gives the coast's boundary. thank you all
19
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4answers
8k views

How to download the entire ASTER GDEMv2 dataset?

In October 2011, 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 ...
1
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1answer
2k 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, ...
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3answers
1k views

Sites with recreational shapefiles for United States?

Do you know of any sites that I could find some recreational shapefiles? An example would be shapefiles of golf courses, ski resorts, or maybe baseball fields in the United States?
2
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5answers
584 views

Land Use/ Land Cover for Hawaii

Talking to a friend of mine in Hawaii and I am from New Mexico. My question to you all is to see if there is a land use/land cover dataset for Hawaii. Thanks.
3
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3answers
1k views

Looking for good looking maps with nice colors for presentations

I'm currently working on a project where we need some good looking maps with country boundaries displaying the world. We do not need the details of the maps, but the colors are important. It will we ...
2
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2answers
1k views

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 ...
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4answers
4k views

Free sources of mapping data for France

We are moving to France soon, and are currently investigating a lot of areas. Does anyone know of good online/offline resources for French mapping? I am very interested in mapping, weather, ...
2
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2answers
5k views

Seeking free, publicly available GIS data for Singapore?

Are there any free, publicly available datasets for Singapore? I've examined Openstreetmap, Global Admin Boundaries, GRUMP and the Natural Earth datasets, but I'm interested in vector data of higher ...
2
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3answers
296 views

Looking for free Mexican transportation datasets

I have been looking for data of Mexico. What I am looking for is the data of a Transportation in Mexico, specifically Chihuahua province. I have checked out on ArcGIS online and Google but came up ...
19
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3answers
837 views

How can we protect GIS data?

I have found a very interesting paper here related to this topic. I just want to have views/ideas from other professional about how we can protect GIS data using Cryptography or Digital Watermarking? ...
11
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3answers
3k views

Where can I find country borders data in human-readable format?

I'm trying to obtain some data representing the borders of all countries in the world. This data doesn't have to be very precise, it is to draw the countries on a computer screen. I did a bit of ...
5
votes
1answer
98 views

What kind of high level semantic free GIS layers out there?

I'm looking for free GIS data that contains some high level information such as type of vegetation or type of soil or some other visual characteristics of the neighborhoods. I need more information ...
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3answers
473 views

PostGIS (2.0?) - Native Versioning of the Datastore

I recently have been surprised to see there are not too many solutions at all discussing the best methods of versioning datastores which are made available for editing. I am looking for a robust, ...
9
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2answers
297 views

Designing an API for spatial data

I am considering trying to make an API so that I can make some spatial datasets available to colleagues for analysis. Part of my work has been to analyze and prepare data which can then be used for ...
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5answers
5k 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 ...
3
votes
1answer
176 views

What is a good resource for CA crop production data?

To construct maps depicting crop yield throughout California, are there statewide datasets, or would I need to add data by county?
4
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1answer
436 views

Where can I find a national MLS boundary dataset for the US?

Every 6 months or so I continue to revisit a topic I have never found an answer for. What I am looking for is some type (ANY TYPE) of national map which outlines the boundaries of each of the 1000+ ...
3
votes
3answers
123 views

Where can I find high resolution data on residential land use?

I am currently searching for high resolution data on residential or commercial land use in the USA. I'd like to use this data to determine for a given location wether this location is in a house with ...
2
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1answer
2k views

Seeking shapefiles of business locations [duplicate]

Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations?
0
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1answer
216 views

Where can I find map data for Northern Territory State, Australia?

Could you please say where I can find the layers for Australia? I need just Northern Territory State I need basic layers like buildings, roads and others in shape format apart from the cloudmade.
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vote
2answers
97 views

Where can I find city area data for the US?

Where can I find (on the site of a US government agency, I assume) raw data for the sizes of cities that I can programmatically process? Data indexed by FIPS place codes (i.e. those found here) would ...
5
votes
6answers
1k views

Where can I find municipal-level administrative boundary data for Poland?

I am looking for municipal-level administrative boundary data (NUTS 5) for Poland. Since it is public information, I thought the data would be readily available, but I can't seem to find it anywhere. ...
5
votes
3answers
269 views

Methods for lat/lon quality control?

I have a database with fields including latitude, longitude, city, state, and country. When mapped, it is clear that a number of the sites are in the wrong location - most commonly because of a sign ...
2
votes
1answer
124 views

Tracking which LiDAR data tiles have been delivered

My company works with LiDAR data for large electrical transmissions systems (thousands of miles in one project). We model the transmission lines and do analysis using CAD and GIS workflows. We break ...
4
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3answers
124 views

Where can I find information concerning rivers?

I'm looking for information I can visualize in Google Earth concerning rivers, such as rapids, put-in points, take-out points, campsites, etc. Any idea how I can look for this kind of information?
3
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2answers
2k views

Where can I download all 3,141 County US Polygons clipped with high resolution shoreline data?

After having done quite a bit of research I have been unable to find a single shapefile download which includes all of the current 3,141 counties with their associating data clipped with the highest ...
4
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1answer
107 views

Looking for USA county level health and socio-economic indicator data that is comparable to data on other countries of the world

I want to compare USA counties with other countries. I am looking for USA county level health and socio-economic indicator data that is comparable to data on other countries of the world. Ideally ...
1
vote
3answers
986 views

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities?

Where can I find a shapefile of zoning for the city of Phoenix and other municipalities? I would rather not have to geo-reference a picture and digitize over it, there must be some data already out ...
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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 ...
2
votes
1answer
72 views

Where can I obtain Water Virtual Flow Segments for Minnesota?

This is a cross-border task. I already have this data for Ontario, Canada but I also need to complete the model for a large lake that is essentially split in half between the two countries. ...
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 ...
3
votes
3answers
559 views

Statewide (and more) Address Point data source

I am seeking a data source for a statewide address point layer. I do not need resident or business information at these addresses; I just need the validated structured addresses (preferably with ...
1
vote
2answers
93 views

Finding Stream codes for State of Utah?

Does anyone know where I can find Stream (rivers, waterbodies) codes for the State of Utah?
7
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1answer
2k views

Where can I find a Unesco World Heritage List as boundaries?

I was wondering if anyone knows where to find the UNESCO world heritage list with boundaries? I can extract point data from the json feed for the map on the website http://whc.unesco.org/en/list via ...
7
votes
1answer
359 views

POSTGIS workflow for cleaning up a noisy dataset

I have a conservation dataset that im trying to simplify for the purpose of using it as a GML layer in openlayers, ie reducing the total shape and node count to quite small. The data has issues: eg- ...
5
votes
4answers
1k views

Need a location based social network data set

I'm looking for a data-set of Geosocial network consisting of Gps trajectories, chek-in,geotag contetnts and stuff like these available for research purposes. I'd really appreciate it if you can ...
0
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1answer
402 views

Why does collapse dualline to centreline only create an outline of the dataset?

I'm trying to collapse all divided roads in one centreline and to integrate any other spurs or errors in the dataset to create one set of centrelines. I have used Merge Divided Roads but it leaves a ...
3
votes
2answers
198 views

Data needed for wolf habitat/potential distribution in Pacific NW region

Hello fellow GIS’ers, I am assisting a nature writer with maps for a book he’s writing on wolves in the Pacific NW (Titled “Wolves in the Land of Salmon”). I’m writing therefore in the hopes that ...
11
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1answer
369 views

Where can I find a histogram of the grade of the Earth's surface?

I've found a histogram of the elevation of the Earth's surface on Wikipedia: However this doesn't give any information about the distribution of grade. For example, the entire surface could be made ...
0
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4answers
567 views

Illinois Legislative Zip to District Match Data Set

I have the Zip +4 for the about 650 areas and I need to find Illinois Senator and Rep code, address, name. How can I solve this issue. Did anyone solve this issue using any vendor data? We do not want ...
1
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0answers
90 views

What is the process of converting geodata in ArcMap 10 to WKT format? [duplicate]

Possible Duplicate: Shapefiles to Text What is the process of converting geodata in ArcMap 10 to WKT format? I am not a programmer so much, but will learn if needed. I have a set of shapefiles ...
4
votes
4answers
12k views

Looking for an annotated vectorial map of the world

I'm looking for an annotated vectorial (PS/SVG/...) map of the world (+countries). Wikipedia contains many vectorial maps (e.g: http://commons.wikimedia.org/wiki/Category:Blank_SVG_maps_of_the_world )...
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7answers
2k views

Are any fictional worlds available in some GIS format?

Is there any fictional world (e.g. Middle-earth, Discworld etc.) which could be used in a GIS context? For example, an MBTiles archive and a shapefile or any other format usable with OpenLayers / ...
2
votes
1answer
588 views

Using Natural Earth Dataset As WMS

This Question is about Natural Earth Project. I tried to do some research about creating my own WMS and came across this project. The web page says : Natural Earth is a public domain map dataset ...
3
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2answers
345 views

Looking for (free) WMS of surface waters of Europe

Do you know any WMS with hydrographic map of Europe? Especially I am looking for map with surface waters of Europe
6
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1answer
939 views

Planetary-scale computing architectures for electronic trading: where is the data?

In his intriguing TED Talk, How algorithms shape our world, Kevin Slavin shows this map from "Planetary-scale computing architectures for electronic trading" ... does anyone know if this data is ...
0
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0answers
64 views

Where do I find information where I can download the legislative mapping data [duplicate]

Possible Duplicate: Where I can download legislative mapping data? It is a collection of files downloaded from aristotle to map Zip to District data. Among the files are 1. Census Code (...
5
votes
1answer
142 views

Vehicle travel data for the USA

I'm looking for vehicle travel data in the USA - at any spatial resolution smaller than the unit of a state, and ideally at a city level. I'm interested in daily, or weekly data and also any ...
11
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8answers
9k views

Obtaining Australian Spatial Data?

I already have basemap data - for that Bing Maps or OpenStreetMap are fine. However, for demonstration purposes I need data for operational layers that I can throw on top of this. It needs to be ...