RE: Data structure for Earth slice data
- To: mathgroup at smc.vnet.net
- Subject: [mg94093] RE: [mg94078] Data structure for Earth slice data
- From: "Hobbs, Sylvia (DPH)" <Sylvia.Hobbs at state.ma.us>
- Date: Fri, 5 Dec 2008 05:27:09 -0500 (EST)
- References: <200812041215.HAA27697@smc.vnet.net>
Which version of Mathematica are you using? Sylvia Hobbs ________________________________ From: mathgroup-adm at smc.vnet.net on behalf of Kelly Jones Sent: Thu 12/4/2008 7:15 AM To: mathgroup at smc.vnet.net Subject: [mg94093] [mg94078] Data structure for Earth slice data I'd like to use Mathematica to solve this problem: What's a good data structure/methodology for representing "slices" of the Earth? More specific example: the set of points that are less than 1600 miles from Chicago AND less than 1000 miles from Albuquerque AND less than 800 miles from Dallas. Obviously, the description above is one way to represent the data, but it's not very useful. I want a representation that will: % Tell me if a given latitude/longitude is inside or outside the set. % For a given latitude, tell me what longitudes (if any) are inside the set. Vica versa for a given longitude. % Tell me the area of my set. % Make it easy to map the boundary of my set and so on. Thoughts? -- We're just a Bunch Of Regular Guys, a collective group that's trying to understand and assimilate technology. We feel that resistance to new ideas and technology is unwise and ultimately futile.
- References:
- Data structure for Earth slice data
- From: "Kelly Jones" <kelly.terry.jones@gmail.com>
- Data structure for Earth slice data