AWARE SYSTEMS
TIFF and LibTiff Mail List Archive

Thread

2010.05.11 16:59 "[Tiff] Combining multiple G4 images into a single output image", by Richard Nolde
2010.05.11 07:00 "[Tiff] Merging multiple Group4 compressed TIFF files", by Oliver Geisen
2010.05.11 15:22 "Re: [Tiff] Merging multiple Group4 compressed TIFF files", by Bob Friesenhahn
2010.05.11 17:33 "Re: [Tiff] Combining multiple G4 images into a single output image", by Oliver Geisen
2010.05.11 19:15 "Re: [Tiff] Combining multiple G4 images into a single output image", by Olivier Paquet
2010.05.12 16:47 "Re: [Tiff] Combining multiple G4 images into a single output image", by Bob Friesenhahn

2010.05.11 15:22 "Re: [Tiff] Merging multiple Group4 compressed TIFF files", by Bob Friesenhahn

On Tue, 11 May 2010, Oliver Geisen wrote:

>
> Now, is it ok (in question of speed) to use TIFFReadScanline or should i

use some lower level functions?

TIFFReadScanline() should usually perform well, although it will not work for tile-based input images. Depending on input image organization, there could be benefit from dealing with whole strips and using a lower-level interface.

Bob
--
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/