[Proj] Some typos in the libproj4 manual

Gerald I. Evenden geraldi.evenden at gmail.com
Wed Oct 1 13:13:40 EDT 2008


On Wednesday 01 October 2008 7:22:08 am Mikael Rittri wrote:
> I think I have found some typos in the libproj4 manual.
>
> Page 96, under the headline "Oblique Stereographic using intermediate
> sphere":
>
> * Equation (7.36) says "k)0", but the parenthesis does not match anything. 
> I think it should have been "k_0" in the LaTeX source, so that the text
> would be "k0", with the zero as a subscript. * Equation (7.37) reads
>
>    chi = ( cos c ... )
>
> but something is missing.  I looked in Snyder's book, and I think it should
> be
>
>    chi = asin( cos c ...)
>
> (chi is that Greek letter that looks like a tall and narrow x, but isn't an
> x.)
>
>
> Page 78, table 6.1: Lambert Conformal Conic, in the general formula for
> rho, there is a numerator
>
>          tan^n( pi/4 + phi1/2)
>
> but in the case phi1 = phi2, the analoguous numerator is written as
>
>          tan^n( pi/4 + phi1) / 2
>
> Should not these numerators be identical?  They differ only in the
> placement of the ending parenthesis.
>
> Gerald Evenden wrote:
> > Please, please, please.  Anyone finding errors in the previously
> > reference manual please notify this group.  Thank-you.
>
> You are welcome,
> --
> Mikael Rittri
> Carmenta AB
> Box 11354
> SE-404 28 Göteborg
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>
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Noted and changed.

Thanks.

I'm glad someone is doing this detailed reading.  Again, thanks.

-- 
The whole religious complexion of the modern world is due
to the absence from Jerusalem of a lunatic asylum.
-- Havelock Ellis (1859-1939) British psychologist



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