tag: upcoming feature

local laplacian pyramids

improving contrast with the local laplacian filter

sometimes difficult lighting situations arise which, when taking photographs, result in unappealing pictures. for instance very uniform lighting on a cloudy day may give dull results, while very contrasty illumination (such as back lit) may require to compress the contrast to embrace both …

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Visualizing the raw (sensor) highlight clipping

Have you ever over-exposed your images? Have you ever noticed that your images look flat and dull after you apply negative exposure compensation? Even though the over/underexposed warning says there is no overexposure? Have you ever wondered what is going on? Read on.

the problem

First, why would you …

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colour manipulation with the colour checker lut module

[update 2016/07/31: there was a section about intermediate export to csv and manually changing that file. this is no longer needed, exporting the style directly from darktable-chart is fine now.]

motivation

for raw photography there exist great presets for nice colour rendition:

  • in-camera colour processing such as canon …

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Liquify, liquify?

Most modules in darktable are working on changing pixels color, lightness, etc. Few modules are moving pixels and when they do they are doing it in a very constraint way like to rotate, fix the lens’ distortions or remove spots.

The liquify module offer more ways to move pixels around …

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Running on non-x86 platforms

For many years darktable would only run on x86 CPUs that also support at least SSE2. While that is nowadays almost everything looking like a PC it’s still limiting. Consequently Roman sat down and started work on dropping that hard requirement. While his work isn’t complete yet it …

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A new module for automatic perspective correction

Since many years darktable offers a versatile tool for manual perspective correction in the crop & rotate module [1]. Although the principle is simple and straightforward, there are cases where it can prove difficult to get a convincing correction, especially if no distinct vertical or horizontal features can be spotted in …

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Introducing the darktable app store

Today we are happy to announce a big new feature that we will not only ship with the big 2.0 release later this year but also with our next point release, 1.6.4, which is due in about a week: even more darkroom modules!

One of the big …

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Color Reconstruction

If you overexpose a photo with your digital camera you are in trouble. That’s what most photography related textbooks tell you – and it’s true. So you better pay close attention to your camera’s metering while shooting. However, what to do when the “bad thing” happened and you …

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Print Module

After being in the camera our pictures deserve some love and to be shared. Every photographer will tell you the joy of having a picture in the hands. At last the pixels have taken form on a piece of paper to give birth to a photography which can be put …

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