Re: earthquake forecast calendar maps



Bob Officer <bobofficers@xxxxxxxxxxx> wrote in
news:pep9q19mm31q6f432gnsbacgdrfpr5e7fb@xxxxxxx:

<Snipola>
> Basic map making
>
> Take a globe...
>
> Cover it with a uniform covering...
>
> Now cut off the covering and spread it flat.
>
> It is not easy to make a sphere into a flat map without distorting the
> areas covered.

Tell me about it!!! A look at my dart board map will prove that.
The north and south poles are so stretched out they're the whole
top and bottom edges of the map. It's in geographic projection.

Hmmm...just looked it up on Wikipedia. It's also called "Plate
Carrée" or "equirectangular".

http://en.wikipedia.org/wiki/Geographic_projection

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism
Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html
Quake "predictions": http://www.skywise711.com/quakes/EQDB/index.html
Sed quis custodiet ipsos Custodes?
Like censorship and not getting support help? Switch to Supernews!
They won't even answer questions through your ISP!
.



Relevant Pages

  • Re: a covering map
    ... of the phrase "covering map". ... David C. Ullrich ... gave you a hint. ...
    (sci.math)
  • Re: a covering map
    ... of the phrase "covering map". ... without simply writing down the proof. ...
    (sci.math)
  • Re: a covering map
    ... Yet, the cover is the space and the map, so it's not strange. ... left overs from why a covering map is a local homeomorphism and the ... Certainly an open interval is a covering space for a circle. ...
    (sci.math)
  • Re: ISMAP
    ... do you know a good map with details? ... tube is good but it's not covering the paris entirely.... ...
    (microsoft.public.pocketpc)
  • Re: FrancisTheory
    ... >and produce something called momentum and show that it is a well defined ... >momentum so that it is everywhere the same on this flat map. ... No, you don;t have a bigger map, you interpret freds as bigger. ...
    (uk.business.agriculture)