Why should be supporting closed source data instead of promoting the open
options so they are more complete?
El 20/07/2013 12:16, <[email protected]> escribió:
> Currently, darktable uses lensfun to correct lens distortion,
> chromatic aberration and virgetting. However the current lensfun
> database is very limited and it does not have many lens such as the
> Canon 18-135mm zoom. Yet for a novice, it is very tedious to create a
> lens profile manually, and mistakes in this manual process can easily
> led to more distortion in the processed images. Moreover, Adobe has
> all aberration and virgetting correction information, whereas lensfun
> often only has distortion correction without the other functions for
> many lenses.
>
> In rawtherapee, if there is an adobe lcr lens profile correction file,
> then the user can simply specify that file in the lens correction
> module, and the module can make use of the profile that is created and
> verifed by Adobe.
>
> I guess it would just involve changes to the lens correction module
> only, where by default it uses lensfun, but users can override by
> specifying that adobe LCR were to be used and specify the LCR file.
> These choices can be included in the sidecar file. In the latter
> case, the module can simply use whatever engine used by rawtherapee to
> make use of the LCR file.
>
> In this way, darktable can correct all lens that are supported by
> Adobe. I believe this is very important, as the inability to correct
> lens faults will often be a showstopper for many user and be a major
> obstacle for the users to use darktable.
>
>
>
> kcleung
>
>
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