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Bug #11872

local contrast (local laplacian) display bug when changing image

Added by Matthieu Moy 7 months ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
Darkroom
Target version:
-
Start date:
12/21/2017
Due date:
% Done:

0%

Affected Version:
git master branch
System:
Ubuntu
bitness:
64-bit
hardware architecture:
amd64/x86

Description

In darkroom, with the local contrast tool (new default mode: local laplacian), when switching from an image to another, I get a strange display bug: it seems darktable computes a mask for an image, and re-uses the mask when displaying the next image.

See example attached. Screenshots done with two images (image 1 and image 2), switching back and forth between the images.

The display bug disappears as soon as I move or zoom the image (i.e. when a new computation is triggered).

Thanks in advance,

image-1-ok.jpg - first image displayed, everything works as expected. (99.7 KB) Matthieu Moy, 12/21/2017 07:52 PM

image-2-ko.jpg - After switching to another image, without moving the image: we still get the shadow at the position of the former image. (91.7 KB) Matthieu Moy, 12/21/2017 07:52 PM

image-1-ko.jpg - Switching back to the original image: now, we get the shadow of the second image. (101 KB) Matthieu Moy, 12/21/2017 07:52 PM

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