I think it will an interesting exercise to run them through PTmasker and PTroller to see if the mask computation works better. This might help create a patch for enblend.
On Thu, Jun 11, 2009 at 7:54 AM, slaterson<[email protected]> wrote: > > i took a look at all three ring images in this project as well as a > few that are 'missing' (in the black areas) in the problematic pano. > the masks appear to be pixel perfect in line with the remapped image. > when you mention opening up the ring masks above, are you referring to > increasing the inside diameter of the ring, thus having a thinner > sliver which will be covered by another image? > > happy to give some manual mask manipulation a try in the gimp. before > i try i'd like to have a better understanding of what you'd like me to > try as i'll need to do some research on gimp usage. > > thanks > > > > On Jun 10, 7:24 am, slaterson <[email protected]> wrote: >> this certainly does help, i'll try to have a look today. >> >> once i get the project converted to jpg i'll send a link, also... >> >> thanks! >> >> On Jun 9, 2:00 pm, Bart van Andel <[email protected]> wrote: >> >> > Converting from a TIFF project to JPG is pretty easy. Just batch >> > convert all the tiffs to jpg (only change the file extension), open >> > the hugin .pto file with your favourite text editor and replace all >> > ".tiff" occurences with ".jpg". No need to recompute any keypoints or >> > realign the images. >> >> > An alpha channel just defines how visible the pixel should be, from >> > complely opaque (visible) to completely invisible. If you put a >> > background layer behind the actual image layer (using GIMP or >> > Photoshop for example), you should be able to "see through" the image >> > layer where the alpha layer is not completely opaque. Note that both >> > GIMP and Photoshop also have to option to add a mask to a layer; this >> > is different from the alpha channel (for instance, flood filling a >> > layer with a mask will overwrite the alpha channel, but not the mask) >> > but can be used for similar purposes. Enblend uses the alpha channel >> > however, since tiff files do support alpha channels but not a separate >> > mask. >> >> > If you understand the concept of an alpha layer, as described above, >> > you should be able to check out the alpha channel without too much >> > trouble. If you make the background layer contrasting to the image >> > (for instance, completely red or purple) it's quite easy to see what >> > the alpha channel does. >> >> > Does this help you? >> >> > Best, >> > Bart > > > -- --dmg --- Daniel M. German http://turingmachine.org --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
