Return-Path: <tiff-bounces@lists.maptools.org>
Received: from inas004.isp.belgacom.be (localhost [127.0.0.1])
        by inav028.isp.belgacom.be (8.12.11.20060308/8.12.11/Skynet-IN-AV-3.00) with ESMTP id k35GJ4rS001007
        for <joris.at.lebbeke@skynet.be>; Wed, 5 Apr 2006 18:19:04 +0200
        (envelope-from <tiff-bounces@lists.maptools.org>)
Received: from inmx003.isp.belgacom.be (inmx003.isp.belgacom.be [195.238.5.11])
        by inas004.isp.belgacom.be (8.12.11.20060308/8.12.11/Skynet-IN-AS-2.03) with ESMTP id k35GIs50024427
        for <joris.at.lebbeke@skynet.be>; Wed, 5 Apr 2006 18:18:56 +0200
        (envelope-from <tiff-bounces@lists.maptools.org>)
Received: from duke.maptools.org (r153.dmsolutions.ca [209.217.116.153] (may be forged))
        by inmx003.isp.belgacom.be (8.12.11.20060308/8.12.11/Skynet-IN-2.32) with ESMTP id k35GImKr005272
        for <joris.at.lebbeke@skynet.be>; Wed, 5 Apr 2006 18:18:49 +0200
        (envelope-from <tiff-bounces@lists.maptools.org>)
Received: from duke.maptools.org (duke.maptools.org [127.0.0.1])
	by duke.maptools.org (8.12.11/8.12.10) with ESMTP id k35GCirG016696;
	Wed, 5 Apr 2006 12:13:34 -0400
Received: from ATALADC1.atalasoft.lcl (host227.155.212.221.conversent.net
	[155.212.221.227])
	by duke.maptools.org (8.12.11/8.12.10) with ESMTP id k35GCeet016690
	for <tiff@lists.maptools.org>; Wed, 5 Apr 2006 12:12:41 -0400
X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0
Content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Subject: RE: [Tiff] BigTIFF Suggestion
Date: Wed, 5 Apr 2006 12:13:27 -0400
Message-ID: <2A7F84B7BBB1CC4F88A9AD71142B91C81CC28C@ATALADC1.atalasoft.lcl>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: [Tiff] BigTIFF Suggestion
thread-index: AcZYow5v8+7rN8AwQKGVuD5edNgLQAAKIyEA
From: "Bill Bither" <bill.bither@atalasoft.com>
To: "Leonard Rosenthol" <leonardr@pdfsages.com>,
        "Joris" <joris.at.lebbeke@skynet.be>, <lmichaels@diaginc.com>
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by duke.maptools.org id
	k35GCeet016690
Cc: TIFF mailing list <tiff@lists.maptools.org>
X-BeenThere: tiff@lists.maptools.org
X-Mailman-Version: 2.1.4
Precedence: list
List-Id: TIFF and libtiff discussion <tiff.lists.maptools.org>
List-Unsubscribe: <http://lists.maptools.org/mailman/listinfo/tiff>,
	<mailto:tiff-request@lists.maptools.org?subject=unsubscribe>
List-Archive: <http://lists.maptools.org/mailman/private/tiff>
List-Post: <mailto:tiff@lists.maptools.org>
List-Help: <mailto:tiff-request@lists.maptools.org?subject=help>
List-Subscribe: <http://lists.maptools.org/mailman/listinfo/tiff>,
	<mailto:tiff-request@lists.maptools.org?subject=subscribe>
Sender: tiff-bounces@lists.maptools.org
Errors-To: tiff-bounces@lists.maptools.org
X-UIDL: 000000000023ceae.00001539
X-MSP-STORE: Wed, 05 Apr 2006 18:19:12 +0200
Status:   

Interesting idea for BigTIFF.  We had a customer just yesterday
complaining that appending a TIFF takes too long on an existing TIFF
with 2000 pages.

Best Regards
Bill Bither
Atalasoft, Inc.

-----Original Message-----
From: tiff-bounces@lists.maptools.org
[mailto:tiff-bounces@lists.maptools.org] On Behalf Of Leonard Rosenthol
Sent: Wednesday, April 05, 2006 7:12 AM
To: Joris; lmichaels@diaginc.com
Cc: TIFF mailing list
Subject: Re: [Tiff] BigTIFF Suggestion

At 06:42 PM 4/4/2006, Joris wrote:
>PDF's weak point is its
>elaborate complexity. But that is also its main strength, and your need
>might prove that too. I'm not a PDF expert, but if I remember
correctly,
>PDF can contain a sortoff hash table for page offsets, that allows you
>to quickly locate last page and all.

         You are correct - it's called the xref.


>  In addition to that, PDF is also
>very suitable for update as opposed to rewrite.

         Very much so.  It specifically has an "update mode", where 
you just append stuff to the end w/o touching any of the original.


Leonard

------------------------------------------------------------------------
---
Leonard Rosenthol
<mailto:leonardr@pdfsages.com>
Chief Technical Officer                      <http://www.pdfsages.com>
PDF Sages, Inc.                              215-938-7080 (voice)
                                              215-938-0880 (fax)

_______________________________________________
Tiff mailing list: Tiff@lists.maptools.org
http://lists.maptools.org/mailman/listinfo/tiff
http://www.remotesensing.org/libtiff/




_______________________________________________
Tiff mailing list: Tiff@lists.maptools.org
http://lists.maptools.org/mailman/listinfo/tiff
http://www.remotesensing.org/libtiff/
