Installer Exposure Blend Gimp Download For Mac
Thechosen Wong
Note: notice the chromatic aberration of the lens in the form of purple fringing at the edge of the arch. These tools are great for dealing with that even if I were not blending two exposures.
I have built hugin from SVN (Ippei's branch, as per Pablo's
instructions). I've tried to document what I do here:
-hugin-in-ubuntu-feisty-fawn.phpI have some comments on hugin, which may be due to the still alpha
stage of this branch (including the Makefile stitching).* Some comments about the building:
cmake mentions the following, on its first run (but not on subsequent ones):
-- checking for module 'vips-7.12'
-- package 'vips-7.12' not found
-- checking for module 'vipsCC-7.12'
-- package 'vipsCC-7.12' not foundIn Ubuntu Feisty, the available vips is 7.10. Would this make a difference?make works like a charm. The only complaints are:
src/hugin_base/test/open_file.cpp:53:2: warning: no newline at end of file
src/hugin_base/vigra_ext/ResponseTransform.h:29:2: warning: #warning
"Deprecated!"
src/hugin1/base_wx/huginConfig.cpp:121:2: warning: no newline at end of fileWhen installing, if I try to run
sudo checkinstall
to create a .deb, it fails with the error:
CMake Error: Error in cmake code at
/home/seb/downloads/hugin/hugin/src/foreign/ANN/cmake_install.cmake:30:
FILE INSTALL cannot copy file
"/home/seb/downloads/hugin/hugin/src/foreign/ANN/libhuginANN.so" to
"/usr/local/lib/libhuginANN.so".However if I try to do a simple
sudo make install
it does not fail and running sudo checkinstall again after that also
does not produce an error (and creates a good .deb).One last comment on the installation: "make install" does not create a
shortcut in the "All applications" menu as it used to.* Some comments about the current version of hugin
I have some remarks/complaints:
- it is not possible to select TIFF_multilayer as before
- nona does not know TIFF_multilayer as a parameter to the -m option
- there is no way to interrupt the "Save project and stitch"
- when generating an LDR panorama, if I do not tick "save cropped
layers", the Stitch seems to work fine but the output is not correct:
see output image based on the
test.pto file and dsd_*.jpg images in the same folder.
- the three options "Blended panorama", "Individual layers" and
"Blended exposure layers" seem to have the same effect, i.e. none.
- if I do not select the enblend blender, when I click "Save project
and stitch" a window appears very fast but no panorama is produced
(and I cannot read the text).
- I cannot get hugin to output the individual TIFF files, even if I
select "Individual layers" and even if I uncheck the "Delete remapped
files" in the preferences.I hope the system of Makefile can be made to work, I'm sure it could
save plenty of time for hdr panoramas.* Other gripes:
The GUI elements in the Stitcher tab are not "tabbable". !n general
the tabbing is not very good (but this is not new)Best,Sébastien
Thats because you do not have multiple exposures. Individual layers
is equivalent to selecting TIFF_m, ie. it will keep the remapped images.Blended exposure layers is for bracketed sequences, where a panorama for
each exposure value is produced. This is useful for exposure blending. If
you don't have multiple exposures in your project, this is equivalent to
"Blended panorama".Probably some more GUI design required here. Suggestions welcome.How often does one need to set the output file type (jpg vs tiff vs png) and
the compression settings? Would it be ok to place these in the preferences,
instead of the Pano tab?
> > - the three options "Blended panorama", "Individual layers" and
> > "Blended exposure layers" seem to have the same effect, i.e. none.
>
> Thats because you do not have multiple exposures. Individual layers
> is equivalent to selecting TIFF_m, ie. it will keep the remapped images.
>
> Blended exposure layers is for bracketed sequences, where a panorama for
> each exposure value is produced. This is useful for exposure blending. If
> you don't have multiple exposures in your project, this is equivalent to
> "Blended panorama".
Is there something I can read (apart from the source...) that explains
what is the intented use of this? I have several panoramas from
bracketed exposures, and what I have been doing so far is producing
the pto for one exposure, using
nona -o output.tif input.pto images-of-different-exposures.jpg
to create the equirectangular images for all exposures, and then
blending the resulting equirects (either just Gimp blending or pfs or
qtpfsgui or cinepaint). This works because all multiple exposure
images were shot with a tripod. How would this procedure change with
exposure blending?
>>> - the three options "Blended panorama", "Individual layers" and
>>> "Blended exposure layers" seem to have the same effect, i.e. none.
>> Thats because you do not have multiple exposures. Individual layers
>> is equivalent to selecting TIFF_m, ie. it will keep the remapped images.
>>
>> Blended exposure layers is for bracketed sequences, where a panorama for
>> each exposure value is produced. This is useful for exposure blending. If
>> you don't have multiple exposures in your project, this is equivalent to
>> "Blended panorama".
>
> Is there something I can read (apart from the source...) that explains
> what is the intented use of this?
> I have several panoramas from
> bracketed exposures, and what I have been doing so far is producing
> the pto for one exposure, using
> nona -o output.tif input.pto images-of-different-exposures.jpg
> to create the equirectangular images for all exposures, and then
> blending the resulting equirects (either just Gimp blending or pfs or
> qtpfsgui or cinepaint). This works because all multiple exposure
> images were shot with a tripod. How would this procedure change with
> exposure blending?
You can use enfuse for focus stacking as well. It's a command line program (I don't know maybe there is a gui frontend for it out there as well) that can be used for both exposure blending (DRI) as well as focus stacking. It works under Windows, Linux and I guess MacOSX.
ages ago(permalink)
Yes, it does. Camera Response (which doesn't appear to be too well
defined anywhere) looks like it was responsible for most of the
problem. I'm not yet trying your last suggestion (about optimizing
exposure for each exposure layer separately), but I'll try that
if it looks like I need something more.I'm creating individual remapped shots w/o exposure correction and
blended layers, and they look pretty good. I think I can use those to
play around with enfuse parameters to get what I want. The enfuse
defaults seem to create an image that's paler than what I want. I
suspect the parameters that are most important from this perspective are
exposure-mu, exposure-sigma, and gray-projector, and will need to play
around with them to get the right combo.An enfuse GUI (is luminance the right thing here?) would be very
helpful for this kind of thing, to visualize how the different
parameters affect the result.
Enblend/Enfuse 4.0 released2009-12-17
Hugin uses Enblend for seam blending and Enfuse for exposure fusion of bracketed stacks. See the Enblend website for details of this release.
layers The Gimp is a fully layer-aware app. If you haven't encountered the concept of layers before, they're a very powerful way of doing advanced image manipulation. For instance, if you load two photos together and assign them to different layers in the same overall image, you can then easily adjust the opacity of the top-most image so the bottom image shows through. This mimics the old technique from film photography of double-exposure, where two pictures were taken on the same piece of film, leading to a ghostly merging of the two. As well as altering opacity, you can also blend layers together using any of 20 different pixel-evaluation schemes; the advantage of that may not be immediately obvious, but turn to p134 and you'll see how blend modes can be used, for instance, to help produce interesting cross-processed photos.
yep, basically it merges the images together to contain x 3 stops of light or something high at least :P Just more information to play with. Each person has their own workflow though. I still haven't figured out mine yet. I kind of like the manual exposure blending in PS feel though
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