2006.07.10 12:39 "Re: [Tiff] How modify", by
Joris:
thanks for your reply.
do u have a good idea for modifing tiff's XResolution and YResolution.
----- Original Message -----
From: "Joris" <joris.at.lebbeke@skynet.be>
To: "<hotmail>xiaotiger666" <xiaotiger666@hotmail.com>; "tiff" <tiff@lists.maptools.org> Sent: Monday, July 10, 2006 8:35 PM
Subject: Re: [Tiff] How modify
Robert Zhang wrote:
I have a large number of TIF images where XResolution are 204 and YResolution are 98. Image Height = 1136 and Image Width = 1728. Now ,How modify tiff to the resolution to 204x196 and height is 2272 and width is 1728 ???.
This is beyond the functionality of LibTiff. LibTiff is a codec, which means it is able to both decode and encode an TIFF file. That does not include resizing capabilities. So use LibTiff to decode the file to a raster or scanline stream or whatever, add resizing from your own hand or from another library, and use LibTiff again to encode the results to a new TIFF file.