Yes, this is what confused me..<br><br><br>
>
This is a spherical projection which sets the WGS84 equatorial radius for both ellipsoid axes
>
>
>(R=6378137m).<br>
>AFAIK you cannot specify any valid +ellps= entry, because<br>
>
+ellps=sphere implies R=6370997m.<br>
<br>
Oleg.<br>
> In order to create a valid custom projection, your proj4 string must have<br>
> an ellps entry.<br>
<br>