[GRASS5] Projection question: Goode homolosine / m.proj2

[Markus Neteler]

On Sun, Feb 10, 2002 at 05:33:04PM +0000, Glynn Clements wrote:
> 
> Markus Neteler wrote:
> 
> > The lat/long boundaries are (stored into file 'latlong'):
> > -9.1 47.3
> > -9.1 -45.1
> > 12.9 47.3
> > 12.9 -45.1
> > 
> > RESOLUTION: 8000m
> > 
> > To get the boundaries in Goode projection, I used m.proj2 (enter in one
> > line):
> > 
> > m.proj2 inproj="proj=ll" outproj="proj=goode,name=goode,
> > ellps=wgs84,lat_0=0.0,lon_0=20.0,unfact=1.0"
> > input=latlong output=goode
> 
> This doesn't give you the boundaries of the region. The point -9.1E 0N
> is within the region but its projection will lie to the left of the
> box obtained by projecting the corners.

Glynn, sorry for a naive question: How it is calculated properly?

Thanks,

 Markus