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July 2008
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2008.07.03 15:28 "Re: eta for bigtiff support?", by Frank Warmerdam
Gary McGath wrote: > Bob Friesenhahn wrote: > >>> > Does anyone know how far along BigTiff support is? I see its on 4.0 >>> > beta2 but I cant tell how much of the proposed spec has been >>> > implemented. All i really want to do is open and read tiles from a >>> > jpeg compressed pyramidal tiled bigtiff? Is there enough there already >>> > to allow me to do this? >> >> As far as I am aware, all of the spec has been implemented. The >> library is currently in beta for a reason. If you are afraid to try >> it out, then you are losing the opportunity to report bugs (so they >> can be fixed) prior to release. In fact the dearth of feedback is >> likely one of the reasons why the library has not yet been formally >> released. > > There's a reason for the lack of feedback. The documentation at > http://www.awaresystems.be/imaging/tiff/bigtiff.html says: > >> This is a proposal, not a specification. Don't go implementing it just > >yet and releasing your code to the public, it has not yet been approved > >and is liable to change. You don't want to be the one whose files turn > >out invalid in 6 months from now. > > It shouldn't be surprising that people aren't jumping in to test when > the definition of BigTIFF is still in flux, and has shown no sign of > approaching a stable specification. Gary, The specification is not in flux - however, clearly some of the documentation and web site materials have not been kept up to date and are off-putting to adoption. Joris - can you address some of this? Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | President OSGeo, http://osgeo.org