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[rew <679199@xxxxxxxxxxxxxxxxxx>]

It happens with 4.0 TOO.

I have blended my panorama now with a 4.0 build on a 64bit machine. I
just let the OS swap. It required over 12Gb of RAM/swap, and finished
the blend just fine!

I'm now pretty sure that it is "imagecache" that causes the corruption or crashes. 
I chose to NOT use imagecache to test this and sure enough the blend went fine. 


** Summary changed:

- enblend 3.2 creates artifacts
+ enblend with imagecache creates artifacts

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https://bugs.launchpad.net/bugs/679199

Title:
  enblend with imagecache creates artifacts

Status in Enblend:
  Confirmed

Bug description:
  Hi 
I'm using  hugin-0.8.0_rc1 with libpano13-2.9.14_rc1 
And it creates a lot of artifacts on huge panoramas.
http://downloads.moeeeep.com/panoramabug/Bildschirmfoto-pano5.png-1.0%20(RGB,%201%20Ebene)%2061638x10876%20%E2%80%93%20GIMP.png
http://downloads.moeeeep.com/panoramabug/Bildschirmfoto-pano5.png-1.0%20(RGB,%201%20Ebene)%2061638x10876%20%E2%80%93%20GIMP-3.png
And a line in the middle
http://downloads.moeeeep.com/panoramabug/Bildschirmfoto-pano5.png-1.0%20(RGB,%201%20Ebene)%2061638x10876%20%E2%80%93%20GIMP-1.png

The image: http://downloads.moeeeep.com/panoramabug/Bildschirmfoto-pano5.png-1.0%20(RGB,%201%20Ebene)%2061638x10876%20%E2%80%93%20GIMP-2.png

I had to create screenshots since gimp didn't allow me to save the image (not enough ram). 
Here's the file hugin created: http://downloads.moeeeep.com/panoramabug/pano5.png (402mb --> needs at least 6.6gb ram to display).  It has a size of  61638x10876 pixels