![]() ![]() ![]() Follow instructions in this order:įollow instructions under ’ Lightroom settings’ here Migrating from Lightroom to open source step-by-step. This guide was very helpful to get all the metadata out of lightroom. I think the same think will work if you go for rawtherapee completely, but I needed something a little stronger in the DAM department so I went with digikam for that, then I open in rawtherapee when I want to edit a raw I was on LR 5 for years, and now have moved from that to digikam (for the DAM part) and RawTherapee (for editing). Hope things work out for you and looking forward to hearing more from you on here! If you are comfortable going the commercial route, CaptureOne is an amazing piece of software, which quite honestly gives way better results than Lightroom. I am a big fan of RawTherapee but there is also Darktable, a very capable, also open source, raw processor that I can recommend for you to try. You can not simply import the Lightroom Catalog into RawTherapee so that RawTherapee automatically knows what settings you applied in Lightroom. Now RawTherapee has most of the features that Lightroom has, but due to the fact that Lightroom is closed source (you don’t get access to how the program is written - because they want to keep their secrets to themselves), the people developing RawTherapee have to come up with their own mathematical formulae on how to make each of the features work …and that may actually produce more pleasing visual results, but certainly somewhat different looking.ġ there is no program currently that will look at the editing of a raw file in Lightroom and turn that into a RawTherapee edit pp3 file.Ģ even if there was such a program, the resulting look in RawTherapee would be different due to the different programming behind each feature in it. Now comes the more relevant part, the fact that although all of these programs are used to process these files, one program may have a function (like sharpening for example), which may not be found in another program, or if it is found in both, one may do it with different algorithms than the other, resulting in a different look. That is the difference between the original file (the raw NEF file) and the processed image (the resulting JPG). If you go back into RawTherapee and do some more processing only the pp3 text file gets changed. The original raw file, NEF_123.nef remains unchanged. That process creates a resulting NEF_123.jpg file (the actual resulting picture that looks the way you want it to), and a secondary file NEF_123.pp3 which contains text, in xml format, that describes which of the RawTherapee settings have been applied to the raw file and at which intensity value. ![]() In order to post the picture online you have to export it. So for example in RawTherapee, you would open up a raw file such as a Nikon NEF_123.nef and edit it by boosting the brightness a bit, and contrast a bit, and adding some sharpening. They have the knowledge to look through the raw file data and make sense of it and allow you to set the desired brightness, contrast, sharpening and colour intensity of the image you’re working on, and then save it/render it/export it as a resulting jpg you can use on the web or for print. This is where programs like RawTherapee and Lightroom come in. Raw files contain unaltered data from the camera’s sensor (if you’d like more details on that, ask me and I can reply with a more detailed explanation on how they work), which on their own are not laid out in the way jpg or tif files are, the data in them has to be processed by a dedicated program and then saved or exported as a regular image in jpg/png/tif format. ![]() Regular images such as jpg, are made up of a number of pixels, and each pixel has a value for Red, Green and Blue, which together make up the colour, brightness and saturation of that pixel.
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