Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread David Vincent-Jones
Chris; It appears odd to me that your image, that has so much highlight detail in the raw, should get 'blown' by the default base curve. It is relatively easy to correct using the tone-curve and setting the base-curve to lineal but that is hardly the point is it. David On 13-06-06 11:40 A

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread Chris Siebenmann
| I don't thinkg that's how Darktable works... Darktable doesn't clip | highlights in its pipeline... My experience is that darktable will definitely blow highlights in the final rendered image when they are not blown in the original RAW. Depending on the image this may be blown in only some RGB

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread David Vincent-Jones
+1 .. please David On 13-06-06 10:14 AM, Chris Siebenmann wrote: > I would be happy to see a highlights reconstruction option for 'if > any channel is clipped, set the pixel to white'. I might even turn > it on all the time. -

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread Julian J. M.
I don't thinkg that's how Darktable works... Darktable doesn't clip highlights in its pipeline... Take a look at these screenshots. The image passes through the Exposure module first, then through the Tone Curve. 1) Starting poing. Exposure 0, Default linear tone curve https://www.dropbox.com/s/j

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread Chris Siebenmann
| Burned highlights is bad, because it means that information is | lost. There are methods for reconstructing that information | back. Rawtherapee, which I just installed to test this, has a method | called "Color propagation". From what I understand, it uses surounding | pixels in the burned area

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread Julian J. M.
Burned highlights is bad, because it means that information is lost. There are methods for reconstructing that information back. Rawtherapee, which I just installed to test this, has a method called "Color propagation". From what I understand, it uses surounding pixels in the burned area to reconst

Re: [Darktable-users] Embed Metadata in Original Files

2013-06-06 Thread Tobias Ellinghaus
Am Donnerstag, 6. Juni 2013, 18:16:24 schrieb Alexander Wagner: [...] > My suggestion was only to allow the export of a finalized, archivable > format that contains metadata along with the RAW, thus comprising a self > contained file that does not depend on the environment and thus is just > more

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread Chris Siebenmann
| Something that I now find that is more effective is the use of the | channel-mixer along with blentif. I also am using the lightness tab to | select the brightest pixels and then I pull the red values slightly | back which gives the blue values a chance to be seen. | | I have however become a lot

Re: [Darktable-users] Embed Metadata in Original Files

2013-06-06 Thread Alexander Wagner
On 06/05/2013 03:58 PM, jeremy rosen wrote: Hi! > I know. Therefore, an easy(?) way out in the dt-context would be to > allow /exporting DNG/, which is what I suggested. To add the existing > xmp to an existing DNG is no problem indeed, perfectly agree. (Could be > done in the exp

Re: [Darktable-users] Best way to recover highlights that are blown in processing?

2013-06-06 Thread David Vincent-Jones
Something that I now find that is more effective is the use of the channel-mixer along with blentif. I also am using the lightness tab to select the brightest pixels and then I pull the red values slightly back which gives the blue values a chance to be seen. I have however become a lot more co