On Tue, 24 Nov 2015 at 11:58 Kristian Niemi <kristian.ni...@gmail.com>
wrote:
> Thanks for your reply, Roman.
>
>
>> Well, without more info i would guess that your computer does not have
>> enough memory.
>>
>
> Please advise; what do you need to know?
>
>
>> [Cropping] Which makes image smaller, so it would require slightly less
>> memory.
>>
>
> No, that's not it. I've exported far larger images without a problem, and
> it's not about cropping the image into something *smaller* (that sometimes
> solves it), but changing the crop --- as in moving it, enlargening it or
> whatever. My guess? Something about the XMP/settings saved from darktable.
> When rewritten, it sometimes works. (Other times not.)
>
For the moment, I'll focus on the black images and return to the other two
issues separately.
I uninstalled darktable, removed local cache, and rebuilt it (git version
2.0rc2+40~g0d208c2-dirty).
Still same (bad) result.
To ease discussion, I've removed all files but four in the shared dropbox
folder (
https://www.dropbox.com/sh/4bzqme4zb4ftv2o/AAAkzzI8zQ6CQybWmgt9PXpRa?dl=0
).
Exporting file 151101_173549_Assi_ghat_01.NEF.xmp results in the black
image "151101_173549_Assi_ghat_01.jpg".
I duplicated the image in darktable, and only changed area of crop ---
*moved* the box; size is identical. And it
(151101_173549_Assi_ghat_02.NEF.xmp) resulted in a "image with features"
("151101_173549_Assi_ghat_02.jpg"). Made no other changes. (Is it the
cropping module that is at fault?)
The same results are reproduced each and every time I export these two
images (01.NEF.xmp and 02.NEF.xmp).
Also added a screenshot of the two images in darktable, where both are
shown "as they should".
Please advise; what information might help you in troubleshooting?
>From a batch of about 200 images, I've gotten this result (black image) in
circa 10. I've yet to see a pattern why it happens to some, not others.
(Which makes it all the more annoying.)
Kind regards,
Kristian
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