Image Resource Blocks - IPTC
"wolff mathieu" <[email protected]> Wed, 16 Jul 2003 10:13:22 +0200
| Newsgroups | gmane.comp.gis.osrs |
|---|---|
| Message-ID | <003e01c34b72$22f89fe0$a70010ac@481mw> |
C'est un message de format MIME en plusieurs parties. ------=_NextPart_000_003B_01C34B82.E3687010 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello, [... Image resource blocks are the basic building unit of several file = formats, including Photoshop's native file format, JPEG, and TIFF. Image = resources are used to store non-pixel data associated with an image, = ...] I have the official specifications, understood them, i can read such = infos, but i have 1 question : where can we put those IRB in images ? I want to save IPTC infos in = pictures. Where can i put the 8BIM segment ? I can't insert it anywhere, = plus there might be some "length" fields to update, if it is encapsuled, = no ? I know how to save in JPEG files, but not in Tiff files... In the TIFF = specifications, they are talking of an IPTC tag =3D 33723 (83BB hex) = or/and 34152 (8568 hex), but i opened tiff files with Hexedit, and those = tags dont exists. ------=_NextPart_000_003B_01C34B82.E3687010 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3D"text/html; charset=3Diso-8859-1" = http-equiv=3DContent-Type> <META content=3D"MSHTML 5.00.3513.900" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Hello,</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>[... <FONT face=3DArial>Image resource = blocks are the=20 basic building unit of several file formats, including Photoshop’s = native file=20 format, JPEG, and TIFF. Image resources are used to store = non–pixel data=20 associated with an image, </FONT>...]</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>I have the official specifications, = understood=20 them, i can read such infos, but i have 1 question :</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>where can we put those IRB in images ? = I want to=20 save IPTC infos in pictures. Where can i put the 8BIM segment ? I = can't=20 insert it anywhere, plus there might be some "length" fields to update, = if it is=20 encapsuled, no ?</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>I know how to save in JPEG = files</FONT><FONT=20 face=3DArial size=3D2>, but not in Tiff files... In the TIFF = specifications,=20 they are talking of an IPTC tag </FONT><FONT face=3DCourier = size=3D2>=3D 33723=20 (83BB hex) or/and 34152 (8568 hex), but i opened tiff files with = Hexedit,=20 and those tags dont exists.</DIV></FONT></BODY></HTML> ------=_NextPart_000_003B_01C34B82.E3687010-- ---------------------------------------- Open Source Remote Sensing Project Discussion List To Subscribe: send a message to [email protected] with 'subscribe osrs' in the body To Unsubscribe: send a message to [email protected] with 'unsubscribe osrs' in the body To Report Problems: send a message to [email protected]