Use Math::PI; please use Google more often.
BTW, I hope you understand sin('#{lat}') is also wrong because of
multiple reasons - but if you don't, I should leave it to you to
figure out.
--
अभिनव
http://twitter.com/abhinav
2009/9/16 prashanth hiremath <[email protected]>
>
> Hi i am applying the formula to find the surrounding distance within 10 km
> using ruby
>
> geokit
>
> x=((((acos(sin(('#{lat}'*pi()/180)) *
> sin((`latitude`*pi()/180))+cos(('#{lat}'*pi()/180)) *
> cos((`latitude`*pi()/180)) * cos((('#{lng}'-
> `longitude`)*pi()/180))))*180/pi())*60*1.1515*1.609344) <= 10)
>
>
>
> NoMethodError: undefined method `pi' for main:Object
>
> Am getting this error help me to solve this.ANd morever i ma not connected to
> any databse\
>
>
> Regsrda
> prashanth
>
> >
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