[Insight-users] ITKIO changes in ITK 2.6.0

[Miller, James V (GE, Research)]

Our microscope guys cannot read some of the files using VXL, so they have 
started to use ITK for reading their data since ITK has a more up to date
TIFF library.

Jim

-----Original Message-----
From: insight-users-bounces+millerjv=crd.ge.com at itk.org
[mailto:insight-users-bounces+millerjv=crd.ge.com at itk.org]On Behalf Of
Mathieu Malaterre
Sent: Thursday, March 16, 2006 6:42 PM
To: Brian Eastwood
Cc: insight-users at itk.org
Subject: Re: [Insight-users] ITKIO changes in ITK 2.6.0


Brian Eastwood wrote:
> Hi All,
> 
> I use a set of third party libraries (ImageMagick) to handle image IO 
> because ITK doesn't seem to open certain tiffs, notably 16-bit tiffs 
> from some microscope cameras in my lab.  I usually have to configure ITK 
> to use ImageMagick's external tiff library (to avoid linking errors), 
> but I still read images through ImageMagick APIs.  In the recent ITK 
> 2.6.0 release, I get the following linking error:
> 
> CORE_RL_jp2_.lib(jp2_dec.obj) : error LNK2005: _jp2_decode already 
> defined in itkopenjpeg.lib(jp2.obj)
> CORE_RL_jp2_.lib(jp2_dec.obj) : warning LNK4006: _jp2_decode already 
> defined in itkopenjpeg.lib(jp2.obj); second definition ignored
> 
> To me, this indicates ITK and ImageMagick have used the same symbols 
> within their jpeg libraries.  Is there a similar way to point ITK to 
> external jpeg libraries to avoid these errors?

Ohhhhh that's nasty :)

ImageMagick is using Jasper for there -buggy- implementation of 
JPEG2000, whereas ITK is using OpenJPEG ... and of course those two 
project decided to use the same name for declaring there main function :)

Could you please add a bug report to the itk bug report at:

http://www.itk.org/Bug

Add something like: "Need name mangling for openjpeg.", and assign it to me.

Also as a side note, ITK uses the latest Tiff library. Could you please 
detail the exact problem you are having with your tiff file. Eventually 
opening a bug report (with your data) and code to reproduce.

Thanks
Mathieu
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