XnView Software

The image I used (see link in first post) was 25918 × 36478 pixels.

Hi again,

I'm having issues processing large images with the Unsharp mask function. The program (XnView/XnConvert) crashes once the filter is enabled, and seems to be repeatable.

Sample Image: https://www.dropbox.com/scl/fi/m150fi6rp22i8zk31ax7w/unsharpmaskcrash.tif?rlkey=28eqv4plk403wlohgjh3a2qie ...

Thanks Pierre. I have been actually experiencing some strange crashes converting large JP2 images with lancoz scaling... trying to find a repeatable case to send through. But things are certainly working far better now, and when I convert images on my workstation (128GB ram) then 9/10 times things ...

Sorry, this is my mistake. I was trying to open this large image on my 16GB Macbook air, which was the real problem for this one. I was able to open some very *slightly* smaller images with no problem in XnView/XnConvert on that same machine (albeit, slowly), but opening this one took so so much ...

(this bug also applies to XnConvert)

Dear Pierre,

Following on from the previous bug , most large JP2 files are now opening correctly for me. However, some of the extremely large ones are still failing to open. An example is attached below:

Massive JP2: https://www.dropbox.com/s/cq6x5wzxzzvck86 ...

Dear Pierre,
Is there a target date for an updated version of XnConvert? I would appreciate it, as the recent bug fixes are essential for me to be able to use it. Many thanks.

Thank you, I was successfully able to open all my massive JP2 files in the new XnView. Is it possible to get an updated XnConvert as well? Kind regards.

Hello, just wondering if: (1) the problem converting the provided file could be reproduced, and (2) if a fix may be possible? Thank you.

Firstly, I LOVE XnConvert, and am SO grateful for your work on this excellent tool.

Context:
I frequently work with very large images at my work, using a microscope with the Olympus Stream software. I generally choose to export as JPEG2000 as this format is the best for lossless image ...