Hallo David, jpg from camera: 4256x2832 jpg from ViewNX: 4256x2832
jpg dt export: 4282x2844 RAW in UFraw: 4282x2844 RAW in dt: most of the time the image information in the left hand panel in lighttable mode gives me -/- or 0/0 but once I get values there it reads 4282x2844 regards -Bernhard- David Vincent-Jones schrieb am 27.08.2013 16:58: > Hi Bernard; > > Within darktable, does the reported size of the raw equal the size of > the jpg? > > David > > On 13-08-27 06:14 AM, Bernhard wrote: >> Hi, >> >> I uploaded some Photos for comparison here: >> http://www.bilddateien.de/transfer/ >> From that it appears to me that jpg from camera and jpg from Nikon's >> ViewNX give the same, but smaller image size than the raw. >> Export from darktable equals the image size of the raw as reported >> from ViewNX. >> >> -Bernhard- >> >> David Vincent-Jones schrieb am 26.08.2013 19:26: >>> The more that I look at this the more confusing it becomes; >>> Geeqie has a different size reading from the exif raw data. >>> UFraw has another totally larger size in both dimensions. >>> I now suspect this is simply a matter of how clipping is performed in >>> the raw conversion. I am however surprised that the jpg and raw in dt do >>> not 'match'. >>> >>> David >>> >>> >>> On 13-08-26 09:59 AM, David Vincent-Jones wrote: >>>> Hi Jo; >>>> >>>> The sizes are correct as stated and read directly off the dt image >>>> info. >>>> The jpg file is larger by 10 lines and if I compare views at 100% I can >>>> actually see the lost edge on the raw file. >>>> >>>> David >>>> >>>> On 13-08-26 01:22 AM, johannes hanika wrote: >>>>> On Sun, Aug 25, 2013 at 1:10 AM, David Vincent-Jones >>>>> <[email protected]>wrote: >>>>> >>>>>> I was trying to compare values in imported jpg and raw files and >>>>>> notice >>>>>> that when I exported both as jpg format they appear to be of >>>>>> differing >>>>>> size. >>>>>> >>>>>> JPG size ... 4752 x 3168 >>>>>> RAW size ... 4752 x 3158 >>>>>> >>>>> if you mean the other way around it's normal. the raw is a bit >>>>> bigger than >>>>> the jpg. it has some 10-100 px in width and height more, to >>>>> estimate black >>>>> levels and to do easy on-chip spatial filtering i would assume. the >>>>> black >>>>> pixels we usually cut away very early (in rawspeed for example) and >>>>> some of >>>>> the others are actually useful pixels if you go through the pain >>>>> and make >>>>> your algorithms aware of the borders. >>>>> >>>>> -jo >>>>> >>>>> >>>>>> Looking at the files in dt this difference is also seen. Is this a >>>>>> Canon >>>>>> camera 'feature' or is this something in the dt system? >>>>>> >>>>>> David >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> >>>>>> Introducing Performance Central, a new site from SourceForge and >>>>>> AppDynamics. Performance Central is your source for news, insights, >>>>>> analysis and resources for efficient Application Performance >>>>>> Management. >>>>>> Visit us today! >>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk >>>>>> >>>>>> _______________________________________________ >>>>>> darktable-devel mailing list >>>>>> [email protected] >>>>>> https://lists.sourceforge.net/lists/listinfo/darktable-devel >>>>>> >>>> ------------------------------------------------------------------------------ >>>> >>>> Introducing Performance Central, a new site from SourceForge and >>>> AppDynamics. Performance Central is your source for news, insights, >>>> analysis and resources for efficient Application Performance >>>> Management. >>>> Visit us today! >>>> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk >>>> >>>> _______________________________________________ >>>> darktable-devel mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/darktable-devel >>>> >>> ------------------------------------------------------------------------------ >>> >>> Introducing Performance Central, a new site from SourceForge and >>> AppDynamics. Performance Central is your source for news, insights, >>> analysis and resources for efficient Application Performance Management. >>> Visit us today! >>> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk >>> >>> _______________________________________________ >>> darktable-devel mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/darktable-devel >>> >>> >> >> >> >> ------------------------------------------------------------------------------ >> Introducing Performance Central, a new site from SourceForge and >> AppDynamics. Performance Central is your source for news, insights, >> analysis and resources for efficient Application Performance Management. >> Visit us today! >> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk >> >> >> _______________________________________________ >> darktable-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/darktable-devel > > ------------------------------------------------------------------------------ > Introducing Performance Central, a new site from SourceForge and > AppDynamics. Performance Central is your source for news, insights, > analysis and resources for efficient Application Performance Management. > Visit us today! > http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk > _______________________________________________ > darktable-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/darktable-devel > > ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk _______________________________________________ darktable-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-devel
