Multiblend option like --no-ciecam?

[Donald Johnston]

Hi, I’ve had to switch back to enblend and use the --no-ciecam option to fixed some really glaring colour issues. Does multiblend have a similar option?

The input files I used are TIF files that were generated by Sony’s “Image Data Converter” and use the AdobeRGB colour space.

[Monkey]

It doesn't, but if you can send me some example files (address at the bottom of the homepage, http://horman.net/multiblend/) I'll take a look.

[Monkey]

Oh, that kind of glaring! (emailed images show red and blue channels swapped in output) You just need the --bgr switch :)

David

[dgjoh...@accesscomm.ca]

Of course I do! ;o) And how would one have figured that out?

Sent from my BlackBerry® wireless handheld

---

From: Monkey <davidh...@gmail.com>

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Date: Thu, 20 Mar 2014 15:27:18 -0700 (PDT)

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Subject: [hugin-ptx] Re: Multiblend option like --no-ciecam?

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[Terry Duell]

On Fri, 21 Mar 2014 14:10:21 +1100, <dgjoh...@accesscomm.ca> wrote:

> Of course I do! ;o) And how would one have figured that out?
>

When all else fails RTFM...use "multiblend -h" :-)

Cheers,
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Regards,
Terry Duell

[Donald Johnston]

Terry, that is always something I strongly advocate; RTFM. But you’ll have to let me know which magic FM you’re using. ;o)
I also believe however that most manuals are great as reference documents but not good from a learning point of view. I’ve done my best learning by following this group’s emails and thanks to guys like you for the effort and time you put into helping us. My “art of photography” has improved a lot because of what I’m now able to do with hugin (even on a single image to correct perspective, etc.).

Certainly once one understands that an option such as --no-ciecam exists it is eventually possible to find it documented somewhere. But there is no easy link in one’s mind from “crappy colours” to “oh, I need an enblend option”! Let me highlight the searching I’ve done so you folks can let me know what I’m doing wrong with the hugin and/or multiblend documentation.

If you’re referring to the manual that comes up when one uses the “Help” - “Help” menu item (F1 or fn F1) then you have to do a lot of digging to find enblend options … “stitcher tab”, search for enblend, click on “hugin preferences” link, search for enblend heading, click on “enblend” link … and … nothing there about an option --no-ciecam! Is there a better FM somewhere?

If one does a google search on "enblend options” the first entry goes to: http://enblend.sourceforge.net/enblend.doc/enblend_3.2.xhtml/index.html; with no mention there of --no-ciecam. Perhaps these web pages could be updated to always point ahead to whatever the latest version of the software is; I know it isn’t hugin’s fault that google does a bad job of finding the latest version of enblend.
The second entry goes to: http://enblend.sourceforge.net/enblend.doc/enblend_4.0.0.xhtml/Extended-Options.xhtml; no --no-ciecam.
Any links to http://wiki.panotools.org cause a “technical difficulty” error (links also offered up by google).

I finally did a search on 'enblend "--no-ciecam”’ and found: http://enblend.sourceforge.net/enblend.doc/enblend_4.1.xhtml/Extended-Options.xhtml that contained the answer. But, I had to first know that this was an option for enblend.

So, I did my home work and read lots of material but I only knew about --no-ciecam because of this email group.

As to the multiblend options, again how does one’s mind leap from “crappy colours” to “oh the red and blue channels are reversed" (I hope my mind isn't too far off the norm on this!!!). The web site: http://horman.net/multiblend/ doesn’t list -h (help) and I don’t think I’d have thought to use --bgr to swap the RGB order. To use -h I have to go to terminal and it wouldn’t be easy from within hugin.

Should this be reported as a bug in multiblend in that it is reversing colour channels?

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[Terry Duell]

Hello Donald,

On Sat, 22 Mar 2014 11:44:25 +1100, Donald Johnston
<dgjoh...@accesscomm.ca> wrote:

> Terry, that is always something I strongly advocate; RTFM. But you'll
> have to let me know which magic FM you're using. ;o)

Just this one...

>>
>> When all else fails RTFM...use "multiblend -h" :-)
>>

The same for enblend, "enblend -h".

Not sure which OS your are using, but I would have thought it works in
all, as a command line input.
Certainly this isn't a full manual, but don't these commands display all
the options?

[Donald Johnston]

I’m on OS X and the -h option works for both commands when I go into Terminal. I did “enblend -h | grep ciecam” and the information is there. Just a tough way to find info when the manual doesn’t have it.
Or can you point out where in the manual I should be looking for no-ciecam.
Thanks again.

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[Terry Duell]

Hello Donald,

On Sat, 22 Mar 2014 12:25:41 +1100, Donald Johnston
<dgjoh...@accesscomm.ca> wrote:

> I'm on OS X and the -h option works for both commands when I go into
> Terminal. I did "enblend -h | grep ciecam" and the information is
> there. Just a tough way to find info when the manual doesn't have it.

I reckon it's always a good idea to first see what "fred -h" has to
say...although I don't always remember to do it :-)

> Or can you point out where in the manual I should be looking for
> no-ciecam.

The "enblend -h" is the only FM I have used thus far, but a snoop through
enblend.pdf (v4.1.2, 7 Oct 2013) talks about no-ciecam on page 14.
This version of the doc is about 600kB. I can send it to you if you don't
have it or can't find it. Let me know.

[Donald Johnston]

Thanks Terry, I now have the enblend.pdf file. After finding an rpm file containing it, using “The Archiver” to extract it to cpio format and then using the cpio command in terminal to extract that to a pdf file. Life is always so easy!

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