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Banding in sky: Help!
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Aug 26, 2017 00:13:43   #
rehess Loc: South Bend, Indiana, USA
 
mdfenton wrote:
The banding is along the left border. Can't be seen above.

I don't see any serious banding, and the EXIF data has been stripped away, so I have no idea of what ISO was used on what camera using what shutter speed and what aperture. If this was heavily processed, then it doesn't tell much about the original image anyway.

What would have been best was a Straight Out Of Camera image, before multiple trips through an editor had time to create further confusion.

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Aug 26, 2017 00:16:59   #
mdfenton
 
The blotching is concrete texture, not "clumsy" attempts, etc..... Your defects shown above and in your download aren't the same as shown in mine. Absence of consistency between samples is not helpful.

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Aug 26, 2017 00:22:13   #
mdfenton
 
Post processing was minimal using Nikon NX2 and high pass sharpening with a touch of noise removal. Camera was a d200.

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Aug 26, 2017 00:29:41   #
mdfenton
 
Thanks for the suggestion. However, the "banding" pattern is limited to the left side of the photo. I needed to do spotting throughout the photo. I don't sweep the spot removal tool back and forth. There is no point to that. If I did, the pattern would be all over the sky. Anyway, the "banding" was there before I used the spot removing tool. Thanks again.

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Aug 26, 2017 00:29:59   #
Rongnongno Loc: FL
 
mdfenton wrote:
The blotching is concrete texture, not "clumsy" attempts, etc..... Your defects shown above and in your download aren't the same as shown in mine. Absence of consistency between samples is not helpful.

The smoothness of the areas point to editing, nothing else. No other cause can locally blend the excessive noise seen in this capture.

In cases like this it is best to use the healing brush, not the spot healing brush. The difference is fundamental. The first one blend pixels together in order to 'heal' when the second ask for a source to copy over the area to be corrected. If you do not use PS CC you have no clue as to what I just typed.

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Aug 26, 2017 00:34:06   #
mdfenton
 
There isn't excessive noise in the photo. The building is covered in textured concrete, unevenly in places. Anyway, of course the banding is caused by editing, but specifically what?

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Aug 26, 2017 01:02:57   #
rehess Loc: South Bend, Indiana, USA
 
mdfenton wrote:
There isn't excessive noise in the photo. The building is covered in textured concrete, unevenly in places. Anyway, of course the banding is caused by editing, but specifically what?
Go back to the beginning. Make edits one at a time, starting with the most serious issues. At each step stop, look, and decide for yourself whether that was a step too far.

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Aug 26, 2017 06:03:41   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
mdfenton wrote:
There isn't excessive noise in the photo. The building is covered in textured concrete, unevenly in places. Anyway, of course the banding is caused by editing, but specifically what?


Well, this says something doesn't.

Rather than claiming that others who cans see the pretty obvious less-than-skillful use of editing tools, which is quite subtle and possibly beyond the capabilities of your display to show them, and the fact that the display also is not able to show smooth transition in tone and color, instead showing them as bands, seems to indicate that if you want to do editing photo editing and not want to be plagued by such behavior, you will need to get a better display.

Tell us what you see when you look at the gray tone ramps in the middle of the page in the next link:

http://www.wildlifeinpixels.net/blog/monitors-color-bit-depth/

If you cannot see any of the ramps as smooth, then your display is the culprit.

As an aside, but related. I have a friend that refuses to use anything but a laptop display to do his editing. It is a good display, but only 6 bit. He posted some images that showed a lot of sensor dust. I mentioned it to him, and he actually got testy, claiming I was seeing things. I then picked an image, circled the worst dirt, and sent the image back. He got testier, and rather than lose a friend over something that was pretty obvious, but beyond his comprehension to understand, I waited until he could see the image on my display. This happened about a week later, and he went out and bought a Dell 2410 8 bit display the very next day. He said he had no idea that bit depth made such a difference!

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Aug 26, 2017 07:21:26   #
mborn Loc: Massachusetts
 
[quote=Gene51]Well, this says something doesn't.

Rather than claiming that others who cans see the pretty obvious less-than-skillful use of editing tools, which is quite subtle and possibly beyond the capabilities of your display to show them, and the fact that the display also is not able to show smooth transition in tone and color, instead showing them as bands, seems to indicate that if you want to do editing photo editing and not want to be plagued by such behavior, you will need to get a better display.

Tell us what you see when you look at the gray tone ramps in the middle of the page in the next link:

http://www.wildlifeinpixels.net/blog/monitors-color-bit-depth//quote]

Interesting Article

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Aug 26, 2017 07:52:43   #
Delderby Loc: Derby UK
 
mdfenton wrote:
The banding is along the left border. Can't be seen above.


Regardless of the banding problem, which I know will get sorted, I think that is a great picture. I might want to shave off the right side to hide the edge of the building, but I could be wrong on that. You have created a super design.

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Aug 26, 2017 08:07:25   #
will47 Loc: Indianapolis, IN
 
I use Topaz DeNoise and it is excellent for removing banding.

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Aug 26, 2017 08:46:39   #
Rongnongno Loc: FL
 
If you folks believe that ignoring the truth of what is really going on is the way to go, go right ahead. Count me out. I will still post what I really think not the 'politically correct crap' that really does not help anyone, least of all the poster.

The default here are the editing, according to the image posted. If no one dares to tell the guy, even if he/she takes it poorly, there is no way he or she will progress.

If there is bit depth problem on his/her setup, this is not something anyone here can prove or correct. The fact is: There is no banding on the image posted. On the other hand there are poor corrections made, dust on the sensor and significant noise.

As to the image concept? Good.

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Aug 26, 2017 09:27:57   #
CatMarley Loc: North Carolina
 
mdfenton wrote:
The banding is along the left border. Can't be seen above.


No banding visible, but there is an extraordinary amount of noise in this file. What camera, what settings?

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Aug 26, 2017 09:30:30   #
CatMarley Loc: North Carolina
 
mdfenton wrote:
There isn't excessive noise in the photo. The building is covered in textured concrete, unevenly in places. Anyway, of course the banding is caused by editing, but specifically what?


The sky is not textured concrete though, and it is noisy as hell!

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Aug 26, 2017 09:31:58   #
LoneRangeFinder Loc: Left field
 
CatMarley wrote:
The sky is not textured concrete though, and it is noisy as hell!


So true.

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