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Message #00634
[Bug 685881] Re: Horizontal lines when combining large images
*** This bug is a duplicate of bug 685105 ***
https://bugs.launchpad.net/bugs/685105
I think this is the same issue: The image cache corrupts the data or
causes a crash.
** This bug has been marked a duplicate of bug 685105
enblend fails to blend large pano
* You can subscribe to bug 685105 by following this link: https://bugs.launchpad.net/enblend/+bug/685105/+subscribe
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https://bugs.launchpad.net/bugs/685881
Title:
Horizontal lines when combining large images
Status in Enblend:
Confirmed
Bug description:
When combining large images (output size approx >=25000x5000px) enblend creates horizontal lines like:
http://downloads.moeeeep.com/panoramabug/t1/output.png
It seems to me, that these horizontal lines only occur on a 360° panorama, when an image has to be "split" like:
http://downloads.moeeeep.com/panoramabug/t1/example.png
This brought me the idea to emulate this behavior and to create a testcase out of it:
Warning, huge files ahead (30000x10000px)
- The panorama file that enblend should see in its memory:
http://downloads.moeeeep.com/panoramabug/t1/t0_lzw.tif (881K)
- The split file:
http://downloads.moeeeep.com/panoramabug/t1/t1_lzw.tif (775K)
I did put them into a folder an run:
enblend -v -o out_lzw.tif t0_lzw.tif t1_lzw.tif
Output (screenshot):
http://downloads.moeeeep.com/panoramabug/t1/output.png (22K)
Here's the gimp file for those who want to extend the example:
http://downloads.moeeeep.com/panoramabug/t1/t.xcf (3.1M)
The number of horizontal lines seem to correlate to the number of
images split at the edge of the image.
enblend version: 3.2
environment: http://downloads.moeeeep.com/panoramabug/t1/system.txt