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March 2008
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2008.03.25 19:04 "Re: Can't write a BigTIFF file greater than 4 GB", by Frank Warmerdam
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