OK, I've done that as well with great results I asked because I got the idea you were using unconverted 48 bit files. John
On Monday, December 10, 2012 10:20:32 PM UTC-6, GnomeNomad wrote: > > Yes. My DSLR shoots 48-bit RAW files. I convert them to 16-bit TIFF > using RawTherapee. Hugin reads the resulting TIFFs just fine. > > TIFF is an interesting format, because it's designed to be very > flexible. Everything from 2-bit (true B&W) on up. A very large selection > of compression algorithms (including JPG, IIRC). Layers. 256-bit alpha > transparency. All capabilities that I think predate this thing called > the Internet ... > > Anyway, I have no idea what Hugin can read and write. Maybe developers > can clue us in? > > On 12/10/2012 12:40 PM, JohnPW wrote: > > So GN, > > (Sorry, I'm not sure I follow) You are using 48b tiffs as source images > > for Hugin to stitch panoramas? > > What are the specs for acceptable input and output files for Hugin? > > I just spent 40 minutes trying to find some kind of Hugin tech spec list > > and have now given up.( I do understand Hugin uses chain of underlying > > programs.) > > Just curious, > > John > > > > On Friday, November 9, 2012 9:26:09 PM UTC-6, GnomeNomad wrote: > > > > On 11/09/2012 01:52 AM, dex Otaku wrote: > > > Salut alouest, > > > > > > On Thursday, 8 November 2012 14:01:32 UTC-6, alouest wrote: > > > > > > 'm using a sotware which can export RGB tiff and 32 bit tiff. > > I can > > > produce panoramic with hugin of the RGB but not of the 32 bit > > tiff. > > > If I extract both RGB and 32 bit tiff, then I create my > panorama > > > from the RGB pictures and save the project file. > > > Would I be able to use all the settings (and control points, > > > basically everything) used before and apply them to my 32 bit > > tiff > > > that hugin see totally blank? > > > I tried quickly with nona but it crashed. > > > > > > To summary could hugin or another tool could apply the > > settings from > > > a working panoramic creation into empty tiff (they off course > > have > > > the exact same extent). > > > > > > Is that crazy or that could work? > > > > > > > > > To my knowledge, Hugin and its included tools only work with TIFF > > images > > > that: > > > * use 16 bits per colour channel or less [no 32bpc TIFF, no > floating > > > point TIFF], > > > * are RGB or RGBA [no CMYK support], > > > * use only a single image layer [no multi-layers TIFF support], > > > * and must be <4GB in file size [a limitation of base-standard > TIFF] > > > > Yes. I understand there's an effort to come up with a TIFF standard > > that > > allows larger sizes. > > > > > What are you using that creates 32-bit [I assume that's per > colour > > > channel] output? HDR images from something? > > > > I don't know what the original poster means by it. Windows claims a > > 32-bit image format, but I think it's actually 8-bit RGB with 8-bit > > alpha-transparency. > > > > > Is there a practical reason to maintain that bit depth as far in > > your > > > processing chain as Hugin? Chances are, even if you're going to > be > > > post-processing the images after stitching, 16 bits per channel > > will be > > > sufficient. > > > > I get better color when I stitch using 48-bit TIF (16-bit per > channel). > > I convert them from my camera's 48-bit RAW files. 48-bit is minimal > > HDR, > > because 16-bits per channel gives a greater color gamut than can be > > displayed or printed with existing technology. > > > > > My suggestion [which is probably your only option with Hugin, > Nona, > > > etc.]: reduce the bit depth of the images to 16bpc or less and > > use those > > > with Hugin. If you require >16 bit per channel image support, you > > may > > > need to find other tools to use. > > > > I know of one Hugin tool that doesn't work with 16-bit per channel > > images: linefind. Unless that's been fixed in the new release? > > > > > Cheers, > > > D > > > -- > Gnome Nomad > [email protected] <javascript:> > wandering the landscape of god > http://www.clanjones.org/david/ > http://dancing-treefrog.deviantart.com/ > http://www.cafepress.com/otherend/ > -- You received this message because you are subscribed to the Google Groups "Hugin and other free panoramic software" group. A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/hugin-ptx
