This tag indicates questions about obtaining data
5
votes
4answers
2k 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, ...
1
vote
1answer
550 views
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
votes
3answers
134 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 ...
17
votes
3answers
392 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?
...
9
votes
3answers
1k 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
85 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 ...
8
votes
2answers
286 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, ...
8
votes
2answers
187 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 ...
12
votes
5answers
944 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
85 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?
2
votes
1answer
248 views
Need to programmatically create Barriers in my Network Dataset
I have the following C# code to create a Network Dataset layer that I can bring into ArcMap. However, even though I am able to create a Route from the ND, I am not able to create Barriers of any kind ...
4
votes
1answer
133 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
89 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
votes
1answer
412 views
Seeking shapefiles of business locations
Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations?
Thanks!!
4
votes
1answer
175 views
Migrating Feature Datasets from ArcSDE to postgis
I am currently planning the migration of a database from ArcSDE/ Arcmap to postgis / Qgis. The data is stored in raster catalogues and feature datasets. Is there an equivalent to feature datasets ...
0
votes
1answer
63 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 basic layers like buildings,roads and others in shape format apart from the cloudmade.
4
votes
5answers
411 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
180 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 ...
1
vote
0answers
65 views
How to track raw data deliveries and determine when all input data has been delivered and is ready for processing [closed]
When working with large amounts of raw input data for your analysis, how do you track data from different sources and covering different geographic extents to determine when you can proceed with the ...
4
votes
3answers
92 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?
19
votes
3answers
343 views
Why are Data Projections relevant?
Sorry for my ignorance - especially after being in this area for a long time.
Why is it useful to store data in unusual projections and datums? I understand the value of projections as output ...
2
votes
2answers
304 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
votes
1answer
63 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 ...
2
votes
4answers
216 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 ...
13
votes
4answers
456 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
55 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.
...
3
votes
4answers
691 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
2answers
222 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 ...
2
votes
2answers
85 views
Where can I find Stream codes for the State of Utah?
Does anyone know where I can find Stream (rivers, waterbodies) codes for the State of Utah?
Thank You.
6
votes
1answer
529 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
11answers
1k views
Logging GPS and Accelerometer Data - Device Suggestion?
I am looking for a device that can track my location (lat,long) and speed all day long. Perhaps, I need GPS and accelerometer data bundled together.
What I want to do is to log my daily activities. I ...
5
votes
1answer
198 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-
...
4
votes
4answers
515 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
votes
1answer
187 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
134 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 ...
10
votes
1answer
237 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
votes
4answers
395 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 ...
3
votes
4answers
425 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 ...
10
votes
2answers
441 views
Are any fictional worlds available in some GIS format?
In a discussion with colleagues, this question arose: is there any fictional world (e.g. Middle-earth, Discworld etc.) which could be used in a GIS context, e.g. a MBTiles archive and a shapefile or ...
2
votes
1answer
282 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 ...
6
votes
1answer
649 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
votes
0answers
59 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
108 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 ...
9
votes
8answers
869 views
Where can I get Australian Spatial Data?
I need to start doing some GIS demos for Australian clients.
I have a few ideas on what I want to demo, but I have now realised I should find some data before thinking too hard.
In terms of basemap ...
12
votes
3answers
2k views
Converting SimpleGeo Places GeoJSON file to shapefile?
SimpleGeo has recently made their "Places" data set freely available which is GREAT, because now we can use it for our own purposes, even offline. So I went about downloading the 2GB dataset, which ...
12
votes
2answers
452 views
Where is Wikipedia's coordinate information stored, and how can I retrieve it?
Background: I'd like to add icons to my map showing locations which have Wikipedia entries.
The WikiLocation API is a great resource for determining Wiki entries near an XY location, but it has ...
9
votes
4answers
446 views
Looking for a world database with locations of medical centers, schools, kindergartens, etc
Is there some database with official information about medical centers, schools, POI's and their geo coordinates for all countries in the world? It doesn't have to be free, but I need the GEO ...
2
votes
3answers
325 views
How Can I Correctly Transform (Unproject?) from LCC
I am a complete n00b when it comes to GIS, so please bear with me. I started out by posting here: http://stackoverflow.com/questions/6963991/how-can-i-transform-the-coordinates-of-a-shapefile .
In ...
3
votes
3answers
2k views
Shape file for North America
list!
Could you please help me. I need the coastline shape file of North America, something like this
http://www.diva-gis.org/gdata
I used it for geoserver+postgis with osm sld-tyles like the ...
6
votes
5answers
1k views
What is the hierarchy of features in ArcGIS? Is it different in other software?
first post - new to GIS.
My understanding of shapefiles is that they are (contain?) featureclasses, that contain features (points, polylines, polygons). Is there a clear hierarchy for these files. ...
