So, a Jpeg is like a zip file, packing itself when saved, unpacking when opended?
Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: Don Sanderson [mailto:[EMAIL PROTECTED] Sendt: 13. november 2004 11:40 Til: [EMAIL PROTECTED] Emne: RE: Reducing File Size with Photoshop Are you referring to a .JPG file? If so it has to be uncompressed for display/editing. It is then recompressed when saved as a file again. A .tif is the same if compression is used. Don > -----Original Message----- > From: Jens Bladt [mailto:[EMAIL PROTECTED] > Sent: Saturday, November 13, 2004 4:33 AM > To: [EMAIL PROTECTED] > Subject: RE: Reducing File Size with Photoshop > > > Can anyone explain: > Why is the file size of an *ist D image say 3.936 MB in the Path > Finder, and > 17,3 MB when opened in PS? > > > > Jens Bladt > mailto:[EMAIL PROTECTED] > http://hjem.get2net.dk/bladt > > > -----Oprindelig meddelelse----- > Fra: Shel Belinkoff [mailto:[EMAIL PROTECTED] > Sendt: 13. november 2004 10:06 > Til: [EMAIL PROTECTED] > Emne: RE: Reducing File Size with Photoshop > > > What's this "New Image data?" I couldn't find it in any of the menus or in > the help area. > > Shel > > > > [Original Message] > > From: Jens Bladt <[EMAIL PROTECTED]> > > > That's right Shel. Provided you have chosen "New Image Data" in > PS, which > > makes the computer calculate new pixels to put in between the original > > pixels > > > > > >
