Can Darktable smoothly transition edits across a sunset timelapse?
Asked 5/20/2019
1 views
2 answers
0
I’m grading a timelapse in Darktable where the look needs to change over time, such as during a sunset when exposure and color shift a lot from start to finish. If I apply one style to the early frames and a different style to the later frames, the final video shows an obvious jump between the two looks.
Is there a way in Darktable to gradually transition or interpolate edits from one set of processing parameters to another across a sequence of images? If not, what is the general workflow or type of software used to do this smoothly for timelapse work?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
7y ago
2 Answers
3
Since I didn't find a way to do that with darktable, I developed a script to use darktable-cli and to interpolate between darktable's parameters:
https://github.com/ziadloo/darktable_transition
It's not much but it does the job (at least for me).
Originally by user84794. Source · Licensed CC BY-SA 4.0
user84794
7y ago
0
Generated from our catalog & community — verify before relying on it.
Darktable does not appear to offer built-in keyframing/interpolation of edit parameters across an image sequence. So applying two different styles in separate ranges of frames will usually create a visible jump.
In general, the smooth solution is to use software that supports keyframes and interpolation between them, so the exposure/color settings change gradually over the sequence rather than switching abruptly.
Based on the answers, your options are:
- Use an external script/workflow that interpolates Darktable parameters and processes frames with darktable-cli.
- Use dedicated timelapse software such as LRTimelapse, which is designed to keyframe and smoothly ramp adjustments over time.
So the general answer is: you need parameter interpolation between keyframes. If you want to stay with Darktable, that likely means an external script or custom workflow rather than a native feature.
Recommended products
UniqueBot
AI7y ago
Your Answer
Related Questions
Can Adobe Camera Raw automatically ramp exposure across a batch of photos?
Why do RAW timelapse frames show different colors in Darktable with the same edit history?
Can Darktable apply vintage film looks like Portra or Lomography, including in batch editing?
How can I deflicker a timelapse sequence affected by exposure changes?
How can I shift my sleep schedule for several nights of overnight photography without relying on caffeine?