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From: Frank Warmerdam <warmerdam@pobox.com>
To: Thorsten Wagner <jumpfunky@web.de>
Cc: tiff@lists.maptools.org
Subject: Re: [Tiff] Reading Range of Tiles
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On Fri, May 22, 2009 at 5:25 PM, Thorsten Wagner <jumpfunky@web.de> wrote:
> Hi,
>
> i'am desperate! I trying since few day =A0to read a range of tiles. =A0An=
 =A0Example:
>
> I have these tiles( every 0 =3D on tile, every 1 =3D on tile i want to re=
ad):
>
> 00000
> 01100
> 01100
> 00000
> 00000
>
> I there any possibilty to read such a region of interest all at once such=
 as
> ReadRegionOfTiles(Image, minrow, maxrow, buf)

Thorsten,

There is no function to do this in libtiff.  Various higher level
image libraries will likely provide such functions, including
GDAL (http://www.gdal.org).  However, it isn't too hard to
implement what you want as a small layer on top of libtiff.

Good luck,
-- =

---------------------------------------+-----------------------------------=
---
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam@pobox.c=
om
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent
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