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ECW file support.

This discussion is connected to the gimp-user-list.gnome.org mailing list which is provided by the GIMP developers and not related to gimpusers.com.

This is a read-only list on gimpusers.com so this discussion thread is read-only, too.

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ECW file support. Luca Casagrande 16 Mar 19:53
  ECW file support. Sven Neumann 17 Mar 08:19
   ECW file support. Sven Neumann 17 Mar 08:26
   ECW file support. Alan Horkan 17 Mar 22:46
    ECW file support. scott s. 18 Mar 03:13
Luca Casagrande
2006-03-16 19:53:38 UTC (about 18 years ago)

ECW file support.

Hi guys!
Is there a way to enable ECW support in The Gimp?

Thx Luca

Sven Neumann
2006-03-17 08:19:29 UTC (about 18 years ago)

ECW file support.

Hi,

Luca Casagrande writes:

Is there a way to enable ECW support in The Gimp?

May I ask you to explain what ECW support is? If I am not mistaken then it's a file support. The way to enable support for it is then to write a plug-in for it. There are plenty of file plug-ins coming with GIMP that you can use as an example.

Sven

Sven Neumann
2006-03-17 08:26:50 UTC (about 18 years ago)

ECW file support.

Sven Neumann writes:

May I ask you to explain what ECW support is? If I am not mistaken then it's a file support.

Sorry, that was supposed to read "... it's a file format".

Sven

Alan Horkan
2006-03-17 22:46:02 UTC (about 18 years ago)

ECW file support.

On Fri, 17 Mar 2006, Sven Neumann wrote:

Date: Fri, 17 Mar 2006 08:19:29 +0100 From: Sven Neumann
To: Luca Casagrande
Cc: gimp-user@lists.xcf.berkeley.edu Subject: Re: [Gimp-user] ECW file support.

Hi,

Luca Casagrande writes:

Is there a way to enable ECW support in The Gimp?

May I ask you to explain what ECW support is?

From what I can tell ECW (Enhanced Compression Wavelet) is a lossey

wavelet compression scheme (either that or Extreme Championship Wrestling, I hate acronyms). Due to the high compression rates it seems to have gained some suppport in fields such as GIS (mapping) where images can be extremely large.

I managed to find a similar questions in the list archives: http://lists.xcf.berkeley.edu/lists/gimp-developer/2001-May/014762.html

There does seem to be a library for ECW support but a bit of searching suggests it may not be GPL compatible, but maybe proprietary plugins are possible with the GNU Image Manipulation Program? (Since photoshop filters are supported using PSPI I guess they must be possible but I imagine the gimp developers would not want to encourage more proprietary software.)

Sincerely

Alan Horkan

Inkscape http://inkscape.org Abiword http://www.abisource.com

scott s.
2006-03-18 03:13:37 UTC (about 18 years ago)

ECW file support.

Alan Horkan wrote:

From what I can tell ECW (Enhanced Compression Wavelet) is a lossey

wavelet compression scheme (either that or Extreme Championship Wrestling, I hate acronyms). Due to the high compression rates it seems to have gained some suppport in fields such as GIS (mapping) where images can be extremely large.

I managed to find a similar questions in the list archives: http://lists.xcf.berkeley.edu/lists/gimp-developer/2001-May/014762.html

There does seem to be a library for ECW support but a bit of searching suggests it may not be GPL compatible, but maybe proprietary plugins are possible with the GNU Image Manipulation Program? (Since photoshop filters are supported using PSPI I guess they must be possible but I imagine the gimp developers would not want to encourage more proprietary software.)

You might want to check out Quantum GIS which uses GDAL support for ECW and JP2 (but I guess not SID) and export an image to another format such as TIF.

scott s.
.