Re: Complex database for testing, U.S. Census Tiger/UA
От | pgsql@mohawksoft.com |
---|---|
Тема | Re: Complex database for testing, U.S. Census Tiger/UA |
Дата | |
Msg-id | 2662.68.163.104.172.1049814731.squirrel@mail.mohawksoft.com обсуждение исходный текст |
Ответ на | Re: Complex database for testing, U.S. Census Tiger/UA (Jan Wieck <JanWieck@Yahoo.com>) |
Список | pgsql-hackers |
> mlw wrote: >> >> The U.S. Census provides a database of street polygons and other data >> about landmarks, elevation, etc. This was discussed in a separate >> thread. >> >> The main URL is here: >> http://www.census.gov/geo/www/tiger/index.html > > While yes, the tiger database (or better it's content) is interesting, > I don't think that it can be counted as a "complex database". Just that > something is big doesn't mean that. I guess you are right, but there are a lot of related tables. I wouldn't call it simple, though. It can get huge, however. > >> >> My loader was written for the 2000 version, the 2002 version has some >> difference, but it should be easy enough to ad the fields. > > OT: > > Just out of curiosity, do you plan more on this? I was playing around > with the 2000 version a while back, but the Garmin GPS units > unfortunately use a proprietary map format, so one cannot generate his > own detail maps for download. The waypoint and route data protocol is > well known though. I'm not sure what a Garmin GPS unit is, but the TigerUA DB uses longitude and latitude. Any reasonable geographical system must somehow map to lat/long. Actually, I am going to download the latest version and get it installed on a system. There is a project I plan to work on in the near future, after all the other crap I gotta do, that will make use of the data.
В списке pgsql-hackers по дате отправления: