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March 2008
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2008.03.26 19:27 "Re: Can't write a BigTIFF file greater than 4 GB", by Audil Virk
Hello Frank, That did it. The default is tif_unix.c. Thank you for your help. -Audil -----Original Message----- From: Frank Warmerdam [mailto:warmerdam@pobox.com] Sent: March-25-08 3:05 PM To: Audil Virk Cc: tiff@lists.maptools.org Subject: Re: [Tiff] Can't write a BigTIFF file greater than 4 GB Audil Virk wrote: > Hello, > > > > I am using the latest build of libtiff tiff-4.0.0alpha on Windows XP 32-bit. > > > > I am performing a test where I write a BigTIFF file that I would like to be > greater than 4 GB. > > > > The file size will not go over 4 GB ( 4,194,258 Kbytes). > > > > I use TIFFOpen with the "w8" parameter. > > Strip size is one row. > > > > I write scanlines one at a time using TIFFWriteScanLine and watch the file > grow. It always stops at 4 GB. Audil, Do you know which file IO layer you are using? tif_unix.c works on windows, but only up to 4GB (AFAIK). You really need to use tif_win32.c for big file support. I'm not absolutely sure what is the default. 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 __________ NOD32 2971 (20080325) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com