Preview not the same as export with enlarge_canvas and retouch

Software darktable
1

Hi there,

First thanks to the devs for this brand new version 5.2 of darktable, I am testing it right now and getting to know the novelties :slight_smile:

I’ve got an issue with the enlarge canvas in addition to the retouch module since version 5.0.1.

In the darkroom’s preview the image looks as expected :

image
image1919×980 217 KB

But when I export it I get the image with the green background of the enlarge-canvas module without the result of the retouch module.

_DSC4538_03
_DSC4538_032048×875 855 KB

I have tried to add and remove modules in the history but I can’t get it to work. Does anyone have an idea of what is going on ?

Here is the raw file file and the .xmp file
_DSC4538.NEF (23.0 MB)
_DSC4538.NEF.xmp (20.0 KB)

2

By the way, I just noticed that the colors are different between my screenshot and the final export, is this linked ? Or have I missed something else ?

3

I could not reproduce the problem on my system using DT 5.3. The cause might be in your export settings. I have included mine for comparison. I wonder if you have upscaling or high quality resampling enabled and if that could cause the problem?

_DSC4538
_DSC45382000×855 245 KB

image
image529×560 13.9 KB

2 Likes
4

Hi @Terry sorry for responding lately and thanks for trying it out so quickly ! I tried out each of the differences with your export setup and it looks like high quality resampling is the culprit.

Whether it is a expected or not I can’t tell but setting high quality resampling to no solves the green issue.

5

I am not sure why that is the case but I remember it has caused problems before for others. A search of previous forum posts might be of interest to you, but I am glad it is resolved.

6

I will check older posts to check if it is helpful to the project to report it on Github or not.
Thanks again !