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7
votes
3answers
667 views

Making county-level shapefile from set of points at 30 x30 km spacing using ArcGIS for Desktop?

I have a data set in csv form, like: latitude, longitude, value -45, 45, 10 .... I would like to calculate county level means from these data, using either ArcGIS or R+grass. I have the ArcGIS USA ...
5
votes
1answer
493 views

Geocaching - XY coordinates

I was wondering what is the easiest way to get XY geocaching coordinates (by a particular Area of Interest (AOI)) data in a spread sheet format that I could covert to a GIS layer? On the ...
4
votes
2answers
902 views

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 ...
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 ...
5
votes
2answers
279 views

How to deal with multitype data sources in QGIS?

Today I was trying to import a DXF to Qgis, the result is that qgis displays everything LINES and POINTS but it only displays options for the POINT objects. When I try to export to a shapefile, it ...
6
votes
3answers
2k views

Obtaining *rendered* OSM data

I'd like to produce a simple walking map with some points of interest. Ideally, I'd like to use the rendered OSM data, as you can get from the page. Using the QGIS OSM plugin, I can only download a ...
8
votes
1answer
222 views

Radio station coverage areas for the UK

In the US, the FCC (Federal Communications Commission) publishes transmitter data about TV and Radio stations, including information about their respective service area boundaries. Using the ...
5
votes
2answers
2k views

WMS weather data for Europe

I am looking for a source of weather data for Europe. I use http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_vis.cgi? and http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi? for the ...
2
votes
2answers
2k views

POI Datasets for North America

I use foursquare because it contains a lot of POIs. Which database do you use when you need a point of interest in North America?
13
votes
7answers
20k views

Where can I find a shapefile of city boundaries in the US?

Where can I find a shapefile that contains boundaries for the major cities in the United States? I have tried the census website but could not find anything.
0
votes
1answer
158 views

Seeking imagery for Mexico?

I am doing Rapid Watershed Assessment for my agency and I am responsible for the Southern New Mexico and northwest Texas. I have 2 NAIP added to my ArcMap already and using it with the "Add Image ...
2
votes
1answer
319 views

How to refine queries using GeoNames

The people on this site have been wonderful in helping me query a list of the worlds parks with something like this query: ...
5
votes
2answers
189 views

How to get geographic information for American and world parks and cities?

I am working on building out park data for my web site. My site is about hiking, so I want to get a list of parks and cities in the world. Is that possible? Where can I get/download/see such ...
6
votes
4answers
133 views

Identifying geographies that match certain climatic profiles through GIS

The long and short of this research is trying to find roads that lie within geographic areas that fit a given climatic profile. In this case, I need to find areas within the United States with ...
22
votes
9answers
23k views

Where to get 2010 Census Block data?

I would like to download 2010 Census Block Data for several towns and I can't seem to find it on American Factfinder. Is it there? And if not, does anyone know where I could find it?
11
votes
2answers
195 views

How could I rate roads for scenic drives?

relative GIS newbie here. I've been working on a personal project to rate roads on how nice a ride they'd be on a motorcycle. I wrote a Python program to work through road data in the TIGER dataset ...
5
votes
2answers
640 views

Visualizing and organizing traffic flow data for an intersection

I'm looking for advice on how to organize data that describes traffic flows through several unconnected intersections over several years. I'd like to learn about the most basic representation of this ...
7
votes
4answers
5k views

Site to download al USGS Topo Maps in bulk

I am trying to create seamless topomap WMS or TMS layer that covers the entire US (not interested in geo-pdfs). To do that, I need either the rasters (geo-tiffs, etc) or preferably vectors (whatever ...
21
votes
6answers
1k views

Open access repository of general GIS spatial data?

As a newcomer to using GIS for research, I am wondering if there are online repositories for spatial data, similar to package repositories for Linux distributions. For instance, I would be able to ...
2
votes
3answers
3k views

Locations of Geodetic Survey Benchmarks in Ontario?

Does anyone know where I can find a list of geodetic benchmark locations for Ontario? (If a list even exists that is...)
1
vote
1answer
1k views

Converting total station points to cartesian coordinates

I have a set of points which have been downloaded from a total station instrument. These data points are already in excel sheets and the issue now is how to convert these points (easting, northing and ...
5
votes
4answers
959 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 ...
8
votes
3answers
488 views

Data source for determining postal codes given location?

What is the best data source for determining international postal codes given a latitude & longitude?
2
votes
1answer
131 views

Where can I obtain 3D roadside features for UK?

I am doing some work on sight distances and I need a map or whatever of the UK that contains roadside features (road signs, trees etc) as well as the road features (road centreline, etc) so I can ...
8
votes
5answers
4k 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 ...
0
votes
0answers
365 views

Extract Points from a Shapefile [duplicate]

Possible Duplicate: Shapefiles to Text I have several shapefiles from which I need to extract all of the points, with all of their attributes, including position coordinates. I only have ...
22
votes
6answers
840 views

How to cope with the newly discovered GPS bug? [closed]

Today the New York Times broke the news that after the Clinton Administration turned off Selective Availability in the GPS system, a bug had been introduced into the GPS satellite software itself, ...
14
votes
4answers
2k views

Data naming convention - starting with a number

My company uses ArcGIS and has a project and data file naming standards in place and (for the most part) followed. Something that has always bothered me about he naming standards is that it mandates ...
55
votes
14answers
4k views

The GIS of War - Tracking Conflicts and Their Effects

I was idly speculating on the many sorts of things people are keeping track of these days with GIS - natural/human catastrophes, demographic and economic patterns, climate change, etc. In that vein, I ...
20
votes
9answers
6k views

GIS data for fast food industry

I am working a small project related to fast food industry. I am trying find GIS data for fast food chains like subway, MC Donald's, Arby's, etc in state of Ohio. Basically, I am looking for point ...
3
votes
1answer
734 views

Complete lookup table for German admin codes in Geonames data? (admin4_code)

I am working with both the postal and Geonames data for Germany. I noticed that while the Postal data may be used as a lookup for ADMIN_CODES 1-3 (ADM1,ADM2,ADM3), it does not mention ADM4 at all. ...
1
vote
2answers
2k views

How can I insert new records to an ArcSDE feature class from a view in ArcSDE

I am wondering how I can both insert new records from a view to a feature class and update data that may be newer in the view than in the feature class. I have been fumbling around in modelbuilder and ...
10
votes
2answers
970 views

Realtime traffic data provider(s)

What services provide realtime (or daily-updated) basic traffic informations for Western Europe ? For example, traffic.com/Navteq provides such data to Bing Maps for US/Canada and Microsoft suggests ...
12
votes
2answers
3k views

Google Fusion Tables vs Amazon Web Services: which is better for GIS data?

What are the pros/cons for storing storing spatial data in Google Fusion Tables versus Amazon Web Services? Factors would include: Cost, performance, ease of update.
9
votes
6answers
488 views

What GIS Data should Amazon add to its Public Data Sets?

Amazon says: If you have a public domain or non-proprietary data set that you think is useful and interesting to the AWS community, please submit a request below and the AWS team will ...
5
votes
2answers
89 views

How can cities in a Metropolitan area share data collection costs?

Does anyone have any stories to tell (good or bad) about attempts to share the costs of data collection among cities/agencies in a metropolitan area? Aerial imagery is a primary example, but would ...
4
votes
3answers
3k views

Using CityGML data with ArcGIS Desktop or QGIS?

I'm looking for advice on how best to use the CityGML data-structure and GIS (preferably ArcGIS/QGIS). I've read through their website and wiki and saw a list of software here that can be used to view ...
7
votes
2answers
5k views

postprocessing GPS coordinates with RINEX data to improve precision?

Im doing some mapping for OSM in my region and I am curious if the precision of tracks from a GPS Receiver can be improved if they are post processed with RINEX data. The tracking is done with a ...
5
votes
2answers
4k views

usa electric transmission powerlines shape files sources

Does anyone have a good source for these? I have some old (1993) data from the US National Renewable Energy Laboratory (NREL) and Cubewerx' WMS (Cubewerx are a spatial data provider); neither of which ...
3
votes
3answers
3k views

River drainage basin boundary

I'm looking for a set of outlines of the river basins in the UK - I don't need a particularly detailed or highly accurate map - just a map saying point X will drain into the Thames or point Y will ...
7
votes
4answers
1k views

Where can I get country, region, and city data?

I need the names of countries, country regions and cities of the world. Where do I get that kind of information?
11
votes
10answers
4k views

Need a Benchmark GPS Trajectory data-set? Anyone?

I'm looking for a benchmark GPS data set, available for research purposes for free. I've found GeoLife GPS Trajectories dataset from Microsoft Research but I find it a little incomplete. What I need ...
6
votes
3answers
691 views

Is there a DTM available for free somewhere?

To go a little bit further than the semantic question regarding DEM/DTM/DSM, I'd like to know if there is a free (of charges and use) DTM datasets? And what about resolution? As far as I know,only ...
3
votes
5answers
2k views

Districts of Israel - free source

Do you know of any free GIS sources of the Israeli administrative divisions: districts (mechozot, מחוזות) and subdistricts (nafot, נפות) which rely on official government information? I heard there ...
5
votes
2answers
520 views

Data ETL workflow optimization

I have a legacy workflow that I would like to optimize and automate (at least partially). The current workflow goes like this. I receive a MS Access .mdb file containing a single table. This table ...
4
votes
1answer
1k views

UK cities boundries in Ordnance survey

Are there any city boundaries of UK cities in the Ordnance Survey?
5
votes
3answers
8k views

Free Mercator, Vector Maps

Are there any free, vector, mercator projection maps available online? I'm not wanting satellite imagery, but more a stylized map along the lines of this: However, I need it to be vector-based such ...
26
votes
12answers
48k views

Where can I obtain an up-to-date list of US ZIP Codes with Latitude and Longitude Geocodes?

NOTE: This began as a question on Stack Overflow, which has subsequently been closed. I also noticed a similar question about Most Up-To-Date Source for US Zip Code Boundaries, but I believe this ...
10
votes
4answers
400 views

Where can I find historic maps of city size?

I'm interested in examining basic dimensions of city size, primarily area (though population would also be of interest) from the earliest possible records. It does not matter where the city is in the ...
11
votes
5answers
6k views

Downloading SRTM data

Is there an easy way to mass download SRTM data? The data is published for download here, but it's sliced into thousands of small files, and I don't see an FTP option for more efficient ...