[Gimp-user] image alignment/registration

2017-02-04 Thread Casey Connor
Hi - I was curious what the best overall image alignment plugin/method in GIMP (or out of GIMP) was these days? "Best" for me means "most powerful/flexible/option-rich". I've come across the hugin align_image_stack, the G'MIC plugin's "Align layers" option, and the image registration plugin

Re: [Gimp-user] 32bit float image opens white?

2017-02-06 Thread Casey Connor
02/06/2017 11:29 AM, Casey Connor wrote: Is it possible to get hold of this image to test it? Sure, here's one -- http://lacinato.com/pub/gimp/wilber_median.tif It happens on any image; and it turns out it's not just white, it's some kind of clipped version of the image, apparently. Chang

Re: [Gimp-user] 32bit float image opens white?

2017-02-06 Thread Casey Connor
Is it possible to get hold of this image to test it? Sure, here's one -- http://lacinato.com/pub/gimp/wilber_median.tif It happens on any image; and it turns out it's not just white, it's some kind of clipped version of the image, apparently. Changing to any floating point format doesn't

[Gimp-user] 32bit float image opens white?

2017-02-05 Thread Casey Connor
I just calculated a median image from a stack using gmic 2.0.0 on the CLI. Worked fine, and the result image is 32bit float: $ identify downstream_hi_median.tif myfile.tif TIFF 3456x5184 3456x5184+0+0 32-bit sRGB 286.7MB 0.000u 0:00.000 When I open it in gimp (2.9.5 -- commit c175afbc) it

Re: [Gimp-user] GEGL - run C2g batch in command line

2017-01-23 Thread Casey Connor
Sorry to derail -- but this piqued my interest in c2g -- where can one find it in recent GIMPs? It's not in the Tools->GEGL menu... (I'm on otto-kesselgulasch-gimp-edge PPA). Thanks, -c On 01/23/2017 01:55 AM, waldauf wrote: Hello folks! Is there some way how to run Tools/GEGL/C2G

Re: [Gimp-user] version 2.9.4 for Windows 10

2017-01-29 Thread Casey Connor
One issue is that http://www.partha.com is mistakenly redirecting to http*s*://*www.www*.partha.com -c ___ gimp-user-list mailing list List address:gimp-user-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list

[Gimp-user] speeding up gimp

2017-02-17 Thread Casey Connor
I've been googling for info on making GIMP faster, and I think I have most of the bases covered (caches, SSD, RAM, etc.), but using large brushes on large images is still very slow. I have an i7 4770K and am using Intel on-board graphics. Would getting a graphics card of some kind be likely

Re: [Gimp-user] speeding up gimp

2017-02-17 Thread Casey Connor
Thanks Joel -- I've been googling for info on making GIMP faster, and I think I have most of the bases covered (caches, SSD, RAM, etc.), but using large brushes on large images is still very slow. Any reason you have to use such large brushes? Except, I should ask first, how large to you

Re: [Gimp-user] Add frozen object from short exposure frame to long exposure frame

2017-02-24 Thread Casey Connor
stationary artificiallighting is provided from the people who work at these caves as well).So my plan is to use my Rokinon 12mm f2.0 with my Sony A6000 on a tripod and setit to max aperture and long exposure, with maybe ISO of about 400 to 800. Dothose settings sound about right to get some

Re: [Gimp-user] Switch back and forth between tools

2017-02-18 Thread Casey Connor
I'm in support. I think this is discussed here: https://bugzilla.gnome.org/show_bug.cgi?id=373060 ...some activity ~10 months ago... maybe someone will find some time to look at it. Looks like just some quick cleanup work on the proposed patch is needed? -c On 02/18/2017 10:00 AM, 2ward2

[Gimp-user] no more crashing

2017-01-18 Thread Casey Connor
Latest gimp from otto-kesselgulasch repo seems to work fine with gmic! Thanks! -c ___ gimp-user-list mailing list List address:gimp-user-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list List archives:

[Gimp-user] gmic with otto repo not working?

2017-01-16 Thread Casey Connor
Hi there -- just updated from Otto Meier's repo to 2.9.5 (36ebe03) and can't seem to get GMIC filters to work anymore -- most of them crash (e.g. most of those in the "Details" submenu). This is on Ubuntu (Kubuntu 16.10). I upgraded gmic to 2.0.0 from gmic.eu and the problem remains. Tried

Re: [Gimp-user] gmic with otto repo not working?

2017-01-18 Thread Casey Connor
Another note, in case it helps: I've been trying to get a working version of gimp/gmic on my machine just so I can get some stuff done, and I can't seem to do so, which had me wondering if the issue was due to some interaction of Kubuntu with gmic. I tried a few of the AppImages from

Re: [Gimp-user] color management -- basic question

2017-01-10 Thread Casey Connor
I recommend using Rec2020 or ACEScg as your "go to" wide gamut color space (but not when using default GIMP, for reasons already mentioned) - ACEScg is used by people making images for cinema, Rec2020 is the up-and-coming standard for monitors, and both of these spaces are good all-around

Re: [Gimp-user] color management -- basic question

2017-01-09 Thread Casey Connor
Thanks very much, Elle, for the detailed reply! Firstly: I've been studying up on color theory for the last month or two and your website is amazing and very helpful, so thanks for the huge amount of work you have put in to it. There are not many (possibly no) resources like it, at least as

Re: [Gimp-user] color management -- basic question

2017-01-08 Thread Casey Connor
didn't. I wasn't sure if this was a flaw in my thinking or gimp. -c On 01/08/2017 04:47 PM, Partha Bagchi wrote: Try Elle Stone's color corrected experimental version. See if that helps. CCing her in case. On Sun, Jan 8, 2017 at 6:37 PM, Casey Connor <gimp-user-l...@caseyconnor.

[Gimp-user] boosting shadows

2017-01-08 Thread Casey Connor
Hi -- I was working on a 16bit tiff trying to boost shadows in gimp similar to how I do it in raw photo development software. I was almost able to do it, but not well, because gimp doesn't provide much resolution in the low end of the histogram when adjusting curves, etc. The best solution I

Re: [Gimp-user] image alignment/registration

2017-03-27 Thread Casey Connor
Then I take the resulting output.tif file, open it in gimp, change the precision to 8 or 16bit, and remove the alpha channel (right-click the layer). This is the result of that process: http://caseyconnor.org/pub/image/aligned_and_medianed.tif It certainly looks very good! However, it's not

Re: [Gimp-user] image alignment/registration

2017-03-27 Thread Casey Connor
One last thought: if you are going to remove the barrel distortion in those images, you might try removing it before doing the image alignment... that might allow align_image_stack to work better... -c ___ gimp-user-list mailing list List address:

Re: [Gimp-user] image alignment/registration

2017-03-26 Thread Casey Connor
Ok -- I believe PS is beating align_image_stack because the picture seems to have been taken with a very wide lens (i.e. short focal length) from close up... as a result, there is a lot of barrel distortion, and in addition there is a lot of camera movement between frames, so the result is

Re: [Gimp-user] image alignment/registration

2017-03-24 Thread Casey Connor
Did you try the -g option with align_image_stack? Or -t? I align hand-held images with align_image_stack and it works fine, even without those options... e.g. this one: https://www.flickr.com/photos/lacinato/32628735771/in/dateposted-public/ -c On 03/24/2017 12:58 PM, oneaty wrote: Per

Re: [Gimp-user] image alignment/registration

2017-03-24 Thread Casey Connor
Ah, ok. So what exactly goes wrong: one or two of the images is off-kilter? If you specify -g, try using something besides the default, as I'm not sure that using the default will change the behavior. (Meaning, not specifying -g probably results in the same thing as just "-g" -- the

Re: [Gimp-user] image alignment/registration

2017-03-24 Thread Casey Connor
So, backing up a step: when you say align_image_stack doesn't work, what do you mean exactly? I assumed you meant that it did a poor job aligning the images, but I don't think the command lines you list there would even work to start the program, so I'm wondering now if you meant that it

Re: [Gimp-user] image alignment/registration

2017-03-29 Thread Casey Connor
D'oh, the -d option! And -x -y -z sound promising as well. Not clear what -i does -- doesn't it always optimize the center shift? Or does "center shift" mean something more complex than simple x/y translation? Thanks, Pat! Pays to RTFM. The hugin toolkit continues to amaze me. That generates

Re: [Gimp-user] image alignment/registration

2017-03-29 Thread Casey Connor
So, by looking at the help text, it seems that you used all the options suited to focus stacking. At least in the help file I'm looking at, I think the only option "for" focus stacking is -m ? For lenses with focus breathing (i.e. almost all lenses) if you are changing the focus for each

Re: [Gimp-user] image alignment/registration

2017-03-25 Thread Casey Connor
I tried align_image_stack -a align -g 10 -t 5 *.tif Did you try with a lower-than-default -g? E.g. "-g 3"? If you want to upload the base .tif files somewhere, I can try to align them, so we can see if there is some strange difference between align_image_stack on our machines. -c

[Gimp-user] image fit-to-window on open?

2017-04-08 Thread Casey Connor
I am surprised that I can't seem to google this, but: How can I have GIMP fit the image to the window when it opens it? Prefs -> Image Windows -> Initial zoom ration: "Show entire image" is selected, but neither shows the entire image nor fits it to the window. My camera images open at 25%

Re: [Gimp-user] Using rotary encoders etc.

2017-04-20 Thread Casey Connor
What I'd love to be able to easily do in GIMP, is to plug in, e.g. a control surface like a Behringer BCR2000 (large number of rotary encoders), and configure it so that I can change e.g. colours or brush sizes by twiddle knobs on the controller. YES! Hold the phone, though, have you seen

[Gimp-user] problems with input controllers

2017-03-02 Thread Casey Connor
I got a wacom pen tablet and was working through setting it up with gimp on Kubuntu. (Wasn't particularly successful, but that's a different thread.) Now my regular mouse is all misconfigured and I can't seem to fix things. E.g. ctrl-scrolling with the mousewheel to zoom in/out is broken.

[Gimp-user] color managing slows gimp down?

2017-03-02 Thread Casey Connor
I notice that when I use a color managed display, the zooming in and out of an image is very slow (maybe 500ms per increment). If I disable color management, zooming is instantaneous. Is this normal/expected? Gimp 2.9.5, commit 86e101e322, Kubuntu 16.10. Thanks, -Casey

Re: [Gimp-user] GIMP resize options

2017-03-02 Thread Casey Connor
Do: Image > Scale Image And uncheck the "chain" icon next to the values. This is pretty standard GUI to indicate that things are not "linked". Same paradigm in play in the layers dock; they can be linked together so that they move together. You can also use the Scale tool (ctrl-T by

[Gimp-user] troubles with 32bit float...

2017-04-26 Thread Casey Connor
I'm having lots of issues with the 32bit tiffs that come out of G'MIC CLI processing in Linux (Kubuntu 16.10 in my case). They don't open properly in GIMP, or most any other software. There is clearly something going wrong somewhere, but I'm not sure where to file a report as I'm not sure

[Gimp-user] installing resynthesizer in 2.9.5?

2017-06-24 Thread Casey Connor
Hi -- what's the latest correct way to install resynthesizer in the 2.9.5 nightly, if that's in fact possible? The version here did not work for me... ("/home/casey/.config/GIMP/2.9/plug-ins/resynthesizer: error while loading shared libraries:

Re: [Gimp-user] installing resynthesizer in 2.9.5?

2017-06-24 Thread Casey Connor
Just to close this thread -- when using the gimp-edge repo, installing resynthesizer via gimp-plugin-registry worked for me. Thank you to the maintainers. -c ___ gimp-user-list mailing list List address:gimp-user-list@gnome.org List membership:

Re: [Gimp-user] installing resynthesizer in 2.9.5?

2017-06-25 Thread Casey Connor
glish speakers maybe it would help cut down on the frequent requests for unsubscription? -c On 06/25/2017 10:42 AM, Sherlock Ohms wrote: Please remove me from your mailing list. Thank you C:-) ---- *From:* Casey Connor <gimp-us

Re: [Gimp-user] tips on working with gigantic files?

2017-06-01 Thread Casey Connor
Hey, just wanted to follow up on the gigapixel editing... I tried the overcommit_memory thing, clearing undo history, making a big swap, changing tile size, etc. Nothing seemed to help with my particular image on my particular system, but I appreciate the tips. Guess I just need a lot more

Re: [Gimp-user] Double mails from the list ?

2017-06-18 Thread Casey Connor
I'm also seeing a lot of double posts. The headers between the duplicates are kind of mess; e.g. of the message you just sent, the first has the ntlworld DKIM signature, the second doesn't. The Received route indicate by the first seems to imply that a virginmedia.net server is re-injecting

[Gimp-user] Fwd: Gimp 2.9.4 windows installer

2017-05-02 Thread Casey Connor
Maybe try here: https://www.partha.com/ (scroll down and look on the right side of the page) (That's for version 2.9.5.) Gimp 2.9.4 has been out for a while now but nowhere can I find a link to a 64-bit windows installer for that release. I know it is unstable, but I

[Gimp-user] G'MIC compatibility / Re: Gimp 2.9.4 windows installer

2017-05-05 Thread Casey Connor
my way again. I have installed 2.9.5 now and have run into g'mic problems with gmic-gimp.exe causing an error on startup. I have removed gmic completely and reinstalled it, but there must be an old reference floating about somewhere as I can still not use it. Will do a complete reinstall of 2.9.5

Re: [Gimp-user] tips on working with gigantic files?

2017-05-05 Thread Casey Connor
I don't think this will solve the problem you described, but I have found that clearing the undo history after every operation done on open files frees a lot of memory in cases where there is /almost/ too much data for the system to cope with. Thanks, great tip -- As you say, I think it might

[Gimp-user] tips on working with gigantic files?

2017-05-05 Thread Casey Connor
Hi -- I'm trying to do some simple work on a 0.5GP image in GIMP 2.9.5 (on Linux). (Image is ~23k by 22k pixels, 16bit RGBA). I can open it fine, and it currently has two partial-canvas layers that are cross faded into each other (I'm manually stitching two slices of a big hugin panorama.)

Re: [Gimp-user] When black and white is not black and white

2017-06-06 Thread Casey Connor
I'll take a stab at this, but other more knowledgeable people may weigh in: as I understand color theory, the notion that there is a canonical equivalent grayscale value for every color is somewhat of a fallacy; any such translation relies on pyscho-perceptual assumptions about how we perceive

Re: [Gimp-user] TIF Layers

2018-06-13 Thread Casey Connor
Just to throw it out there into the universe: it would be great if GIMP offered an "open the analogous TIFF page for remaining files" checkbox... e.g. when I open 45 such TIFF's as layers I have to click through 45 dialogs to get the 'real' image for each layer. (One can of course automate

Re: [Gimp-user] TIF Layers

2018-06-17 Thread Casey Connor
It is also be for a different mailing list/forum, but there are good, free, and Gimpp-friendly alternatives to Canon DPP, such as RawTherapee or Darktable :-) Thank you! Yes, I'm aware of and love (and use, and prefer) both of those programs... but DPP has the "digital lens optimizer"

Re: [Gimp-user] Stuck in Brightness/Contrast Loop, etc.

2018-04-29 Thread Casey Connor
outlier opinion tangent: Tools which are accessed primarily via menu, and operate through a pop-up dialog box instead of on-canvas interaction, should not even be using the tools class. It is counter-intuitive to the new user that any dialog box -based operation has lingering side effects on

Re: [Gimp-user] GIMP 2.10-RC1 Previews Loading Slowly

2018-04-13 Thread Casey Connor
Where did you download the GIMP 2.10 that you are testing? After installing the program, I noticed it's running pretty slowly. Most menus in the color menu are loading slowly but the most noticeable thing I'm noticing is that it's taking anywhere from 10-12 seconds to load any preview for any

Re: [Gimp-user] 'critical error' running luminosity mask script

2018-04-20 Thread Casey Connor
Thanks -- starting the gimp from a term gives a series of failed assertions Hmmm, all I got in stdout was *WARNING* missing babl fast path(s): "R'G'B'A u8" to "B' u8" *WARNING* missing babl fast path(s): "R'G'B'A u8" to "A u8" ...but anyway yeah I saw those failed assertions in the debug

[Gimp-user] 'critical error' running luminosity mask script

2018-04-20 Thread Casey Connor
Hi -- I just filed a bug (here ) for a 'critical error' that happens for me with 2.10 RC1 (AppImage from here ). I thought I'd write here in case anyone had any ideas for

Re: [Gimp-user] GIMP 2.10-RC1 Previews Loading Slowly

2018-04-20 Thread Casey Connor
What I meant by "what are your disks doing" is what kind of activity is happening... i.e. open up the performance monitor and watch the disk activity. I was wondering if something was bogging down the disks (even if you don't believe you are doing anything else to any disks, something on your

Re: [Gimp-user] 'critical error' running luminosity mask script

2018-04-20 Thread Casey Connor
You said you had edited the script - did you not use the script-fu console and its included help for that ? It's some months since I last had to do that, I'm rusty on the details. Yeah it was a couple years ago, so it's lost to the fog of memory. :-) I think I was updating an old script to be

Re: [Gimp-user] 'critical error' running luminosity mask script

2018-04-21 Thread Casey Connor
I'm not the qualified person to respond to this, but: my understanding was that App-Image versions use that directory so as not to mess with normal installs, which is exactly how I would hope it would work... e.g. they're supposed to be 'portable' etc. but need to store their user settings

Re: [Gimp-user] 'critical error' running luminosity mask script

2018-04-21 Thread Casey Connor
Thanks a bunch, Rich -- that script works without error and much faster, too, and the masks are in the proper order when done. But it seems a lot less aggressive; meaning, the "LLL" mask still includes much of the image, not just the brightest parts. It's working, just doesn't generate as

Re: [Gimp-user] 'critical error' running luminosity mask script

2018-04-21 Thread Casey Connor
need to update something simple. On Fri, Apr 20, 2018 at 5:45 PM Casey Connor <gimp-user-l...@caseyconnor.org <mailto:gimp-user-l...@caseyconnor.org>> wrote: > You said you had edited the script - did you not use the script-fu > console and its included help for that ?

Re: [Gimp-user] [offtopic] image viewer which can show the location on a map

2018-10-14 Thread Casey Connor
Brilliant! The open source paradigm in action: A says, I with I could do this thing... B says, I bet you could use that thing... C says, You mean like this? You forgot: D says, You can already do that with program X E says, And program Y :-), -Casey P.S. A says, Your script didn't work

Re: [Gimp-user] [offtopic] image viewer which can show the location on a map

2018-10-13 Thread Casey Connor
Here is a bash script that will take an image file and open a link in your browser to the openstreetmap.com site at that location. It requires that the "exiftool" utility be installed, which you can install e.g. on debian-based systems with: *sudo apt-get install libimage-exiftool-perl* Put

Re: [Gimp-user] [offtopic] image viewer which can show the location on a map

2018-10-13 Thread Casey Connor
Sorry, the ASCII-ification added a bunch of asterisks. Let me try that again: Here is a bash script that will take an image file and open a link in your browser to the openstreetmap.com site at that location. It requires that the "exiftool" utility be installed, which you can install e.g.

[Gimp-user] .XCompose bug with GIMP?

2020-01-13 Thread Casey Connor via gimp-user-list
Hi -- I frequently use the compose key to enter special characters in text fields in GIMP, e.g. ♯ (that's a sharp symbol, not sure if it will make it through the mailing list.) Works fine. I recently set up an .XCompose file to get convenient access to a couple more specific symbols

Re: [Gimp-user] .XCompose bug with GIMP?

2020-01-13 Thread Casey Connor via gimp-user-list
Others are having success with the "X Input Method" but I don't have it listed. Is this the cause of my issue? Is there a reason the AppImage would lack that? On 1/13/20 12:43 PM, Casey Connor via gimp-user-list wrote: Hi -- I frequently use the compose key to enter special characters in text