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benbahrenburg/gist:1202513

Created September 8, 2011 03:06
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SphericalDistance Calculation
Raw
gistfile1.sql
select abs(lat- 40.711389)+abs(lng- -74.064722)*0.643/case
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 1.5 then 1.41
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 2 then 1.34
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 3 then 1.29
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 5 then 1.18
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 11 then 1.08
when max(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)/(min(abs(lat- 40.711389),abs(lng- -74.064722)*0.643)+0.000001) < 25 then 1.04
else 1 end DISTANCE, AIRPORT_NAME,
LAT,
LNG
FROM AIRPORTS_TBL
WHERE lat>(40.711389-0.723) and lat<(40.711389+0.723) and lng>(-74.064722-0.723) and lng<(-74.064722+0.723)
order by 1
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