[Leica] Color Balance and DNG

[philippe.orlent at pandora.be (Philippe Orlent)]

And it's pretty cheap, too.
Thanks for the link.
Philippe



Op 9-nov-06, om 15:54 heeft Tina Manley het volgende geschreven:

> LUG:
>
> The comments on color balance being so subjective are very  
> interesting.  On another list they are raving about a new Japanese  
> raw converter - Silkypix.  You can download a free trial: http:// 
> www.isl.co.jp/SILKYPIX/english/
>
> It gives you several choices of color modes: Standard color, Memory  
> color, Portrait color, Film color and Skin color.  And within each  
> of those are several more choices.  Film gives you a choice of  
> Velvia, Portra, Agfa, Kodachrome.  If you move your mouse over each  
> choice, the photo you are working on changes instantly to a  
> different color mode.  All of them are acceptable choices even  
> though some are very different from the original.  Since converting  
> does nothing to the Raw file, you can choose to develop the photo  
> in any color mode you want.
>
> Right now SilkyPix accepts most camera Raw files including Leica  
> DMR but not M8.  This is what they have to say about DNG:
>
> Adobe DNG Format
> Basically, although this software doesn't reflect the setting  
> values of the camera recorded in RAW data, it reflects the WB  
> setting as much as possible.  Since we have little information  
> about camera settings of some models, they are not supported.
>
> 10.4.5.2 DNG Files Available with this Software
>
> In the DNG Standards, it is possible to contain RAW data with an  
> array of various image sensors. However, there is a limit for this  
> software when it handles DNG files.
> In this section, we explain about the DNG files, which this  
> software can develop.
>
> 1. DNG files with RAW format and Linear Raw format taken with the  
> camera, which is compatible with this software.
>
> In the case of the DNG files that are converted form the RAW files  
> taken with the camera that is compatible with this software, it is  
> possible to develop them regardless of a format type, not  
> exclusively to the RAW format and the Linear Raw format
> In addition to the color representation with this software, it is  
> possible to execute the color representation on the basis of the  
> color representation information contained in the DNG files.
> Regarding the color representation on the basis of the color  
> representation information contained in the DNG files, you can  
> select it "DNG <file:///D:/Program%20Files/ISL/SILKYPIX%20Developer% 
> 20Studio%203.0E/manual/man0006.html#070>standard color", "DNG  
> <file:///D:/Program%20Files/ISL/SILKYPIX%20Developer%20Studio% 
> 203.0E/manual/man0006.html#072>memory color 1" and "DNG <file:///D:/ 
> Program%20Files/ISL/SILKYPIX%20Developer%20Studio%203.0E/manual/ 
> man0006.html#074>portrait color 1" in the color mode.
> In the case of Linear RAW format, the parameters ("<file:///D:/ 
> Program%20Files/ISL/SILKYPIX%20Developer%20Studio%203.0E/manual/ 
> man0006.html#093>Noise reduction" in the "Exposure" sub-control and  
> "Demosaic sharp" in the "Development" sub-control) that affect the  
> demosaic process cannot be used.
>
> 2. DNG files with RAW format taken with the camera, which is not  
> compatible with this software.
>
> In a case of DNG files taken with 3 color filters having Bayer  
> pattern such as tetragonal array or rectangular array, it is  
> possible to develop with this software.
> The color representation is executed based on the color  
> representation information contained in the DNG files.
> This software (this version) does not support the RAW format with  
> the array which is not explained the above. So you should convert  
> them to the Linear RAW format.
>
> 3. DNG files with Linear RAW format taken with camera, which is not  
> compatible with this software.
>
> In a case of DNG files taken with 3 color filters, it is possible  
> to develop with this software (There is a case that DNG files taken  
> with the CCD camera of complementary colors system which has 4 or  
> more color filters cannot be handled).
> However, since the demosaic process has already been executed, the  
> parameters ("Noise reduction" in the "Exposure" sub-control and  
> "Demosaic sharp" in the "Development" sub-control) that affect the  
> demosaic process cannot be used.
> The color representation is executed on the basis of the color  
> representation information contained in the DNG files.
>
> When you develop the RAW data taken with the camera which has a  
> special array such as a honeycomb array with this software, you  
> should convert them to the DNG files with the Linear RAW format.
>
> 4. Compressed format
>
> DNG Files with compressed format and non-compressed format can be  
> handled.
>
> The manual is extensive and difficult to understand since it is  
> translated Japanese.  If anybody understands the above, please help  
> me!
>
> Tina
>
> Tina Manley, ASMP, NPPA
> http://www.tinamanley.com
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