heya,
weird that it appears three times. doing some wrong bayer pattern
interpolation would mean to oversmooth details, but three copies would be
some sort of scanline/pixel storage order problem.
anyways, i think some related modules would be:
src/iop/temperature.c (whitebalance)
src/iop/demosaic.c (demosaicing)
both of them should effectively pass through the data, the first one could
potentially need to promote it from 1x uint16_t per pixel to 1x float per
pixel, and the latter one should promote it to 4x float/pixel so the rest
of the modules can work on color data as they expect it.
can you open the image in rawstudio? those three copies look like it's
opened as an already-demosaiced color image that is wrongly interpreted as
3 floats/pixel where we only get one.
might be necessary to adjust src/common/imageio_rawspeed.cc to understand
that (in this case white balance and demosaic are probably already doing
the expected passthrough).
cheers,
jo
On Thu, Nov 28, 2013 at 1:38 PM, schmidtfrog <schmidtf...@gmx.de> wrote:
> Hello (for the first time),
>
> I have tried to open some DNGs from a Leica M Monochrom in Darktable
> (almost latest git master). Seems like some trouble due to the fact that
> a Bayer filter is missing in the cam. The actual image appears three
> times (see below screenshot).
>
> https://www.dropbox.com/s/qpy4j481y20rdzk/snapshot1.jpg?n=223299317
>
> Unfortunately I am not familar with darktable functions (had only a
> short look into the sources).
>
> Nevertheless I would be happy if someone has a hint which function/files
> are worthwhile to check.
>
> Marcus
>
>
>
>
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