Re: [Geotools-devel] Meteosat imagery projection

2015-06-18 Thread Andrea Aime
Hi, don't have time to look right now, but as far as I remember all projection math we have assumes the data is being expressed in the unit sphere, and there is some code, I believe in the base base classes, that does the necessary conversions. It's the same approach used by libproj Cheers Andrea

[Geotools-devel] Meteosat imagery projection

2015-06-18 Thread Maciej Filocha
Dear all, I'm working on the new projection to handle Meteosat Second Generation images. It is some sort of a "Vertical Perspective" (Snyder) as I understand. A reference C/Fortran code (pixel row-col to lat-lon) is available from Eumetsat website. My draft implementation of that code compute