Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Martin Desruisseaux
Andrea Aime a écrit : It seems to me the most sensible choice for an unknown CRS is DefaultEngineeringCRS.CARTESIAN_2D, which has special handling to be a good default cartesian CRS (in particular, every transformation that involves it is an identity). Actually DefaultEngineeringCRS.GENERIC_2

Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Andrea Aime
Simone Giannecchini ha scritto: Hi guys, I agree with Bryce, the choice of WGS84 was due to convenience reasons since the vast amjority of time people I have talked to, uses it. I hope Andrea will be able to give a hand with coverages since there are so many things to do in order to improve thin

Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Andrea Aime
Bryce L Nordgren ha scritto: Hi. Sorry for the short note, but I'm just on my lunchbreak. Class occupies a lot of time this week. ISO 19123 specifies an EngineeringCRS as the appropriate representation of gridded data with no known georeferencing info, exactly as you propose. It's not just a g

Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Simone Giannecchini
Hi guys, I agree with Bryce, the choice of WGS84 was due to convenience reasons since the vast amjority of time people I have talked to, uses it. I hope Andrea will be able to give a hand with coverages since there are so many things to do in order to improve things (caching, overviews, better ren

Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Bryce L Nordgren
Hi. Sorry for the short note, but I'm just on my lunchbreak. Class occupies a lot of time this week. ISO 19123 specifies an EngineeringCRS as the appropriate representation of gridded data with no known georeferencing info, exactly as you propose. It's not just a good idea, it's the law. ;) The

Re: [Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Jody Garnett
Andrea Aime wrote: Hi, I'm looking at the grid coverage readers, and found out that AbstractGridFormat defines WGS84 as the default crs. This is used by the WorldImagePlugin if not .prj file is avaiable to define more precisely the grid coverage format. Now, this decision seems a little prob

[Geotools-devel] GridCoverageReader and default CRS

2006-02-07 Thread Andrea Aime
Hi, I'm looking at the grid coverage readers, and found out that AbstractGridFormat defines WGS84 as the default crs. This is used by the WorldImagePlugin if not .prj file is avaiable to define more precisely the grid coverage format. Now, this decision seems a little problematic to me. If we loa