Old 11-12-2014, 01:39 AM   #1
dnsommer2013
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Default NYSW Photo: Yellow Off

Hello,

The yellow looks oversaturated and tinted greenish. It also looks like it's bleeding. Can this be fixed? Do you see what I mean too?

I haven't submitted this photo. I probably won't. But I'd like to fix it. To learn. It's from a jpeg original, but I also have a RAW copy.

This photo was taken with my brand new K-3 and a Tamron 28-75 f2.8. I cropped into the original a bit. I am using PS CS6.

Thank you

Dave
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Old 11-12-2014, 01:45 AM   #2
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Default A better example (?)

I like this one better. Is it worth a try?

Dave
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Old 11-12-2014, 02:29 AM   #3
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Originally Posted by dnsommer2013 View Post
Hello,

The yellow looks oversaturated and tinted greenish. It also looks like it's bleeding. Can this be fixed? Do you see what I mean too?

I haven't submitted this photo. I probably won't. But I'd like to fix it. To learn. It's from a jpeg original, but I also have a RAW copy.

This photo was taken with my brand new K-3 and a Tamron 28-75 f2.8. I cropped into the original a bit. I am using PS CS6.

Thank you

Dave
Yes, it is greenish, reducing via the green slider should take care of it.
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Old 11-12-2014, 03:06 PM   #4
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Thanks for looking, miningcamper1!

This one got rejected. Do you see the off angle in the horizon? Only real change I made to this one was to remove some tree branches that were 'growing' out of the top of the lead engine!

Thanks!

http://www.railpictures.net/viewreje...78&key=8921808
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Old 11-12-2014, 04:39 PM   #5
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Originally Posted by dnsommer2013 View Post
Thanks for looking, miningcamper1!

This one got rejected. Do you see the off angle in the horizon? Only real change I made to this one was to remove some tree branches that were 'growing' out of the top of the lead engine!

Thanks!

http://www.railpictures.net/viewreje...78&key=8921808
That cell tower looks plumb IMHO.
Yours would not be the first superelevated curve shot to get rejected, however.

Strikes me as a little odd that the RR would superelevate the siding on the left.
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Old 11-12-2014, 08:27 PM   #6
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That cell tower looks plumb IMHO.
Yours would not be the first superelevated curve shot to get rejected, however.

Strikes me as a little odd that the RR would superelevate the siding on the left.
I didn't even notice the tower back there! Should I rotate left a little, or forget this shot and move on?

What do you think of the grade crossing shot?

Dave
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Old 11-12-2014, 08:27 PM   #7
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a) that cell tower is too small an object to reliably judge vertical, IMHO.

b) regardless of correct level, this may be one of those cases where the shot looks unlevel, for example because the car on the siding is tilted. Introducing a bit of offsetting unlevelness may help things along, RP-wise. Not the first time such advice was warranted (or effective).
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Old 11-12-2014, 11:56 PM   #8
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I'm a fan at .75 CCW. The cell tower is worthless for the eyeball test. At 600% there's a very minute amount of pixel color smear to suggest it's not completely level, however. There's also a little smear on the window far right.

I figure it'll get in just fine if you go CCW something.

Loyd L.
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Old 11-13-2014, 11:00 AM   #9
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I'm a fan at .75 CCW. The cell tower is worthless for the eyeball test. At 600% there's a very minute amount of pixel color smear to suggest it's not completely level, however. There's also a little smear on the window far right.
Take note, minions, pixel color smear is an important factor when leveling an image!

You're giving up our secrets, Loyd!
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Old 11-14-2014, 04:29 PM   #10
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Originally Posted by miningcamper1 View Post
That cell tower looks plumb IMHO.
Yours would not be the first superelevated curve shot to get rejected, however.

Strikes me as a little odd that the RR would superelevate the siding on the left.
I believe this may have been double track at one point, and the siding is part of that?

Dave
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Old 11-14-2014, 04:31 PM   #11
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Originally Posted by bigbassloyd View Post
I'm a fan at .75 CCW. The cell tower is worthless for the eyeball test. At 600% there's a very minute amount of pixel color smear to suggest it's not completely level, however. There's also a little smear on the window far right.

I figure it'll get in just fine if you go CCW something.

Loyd L.
I'm not sure what you mean by, "I'm a fan at .75 CCW"?

Is it possible to rotate just one element in an image?

CCW = Counter Clockwise?

Thanks,

David

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Old 11-14-2014, 04:34 PM   #12
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Take note, minions, pixel color smear is an important factor when leveling an image!

You're giving up our secrets, Loyd!
Since this is a new camera, is pixel smear some sort of sensor defect?

I'm not getting you guys! I'm mystified! LOL

Thanks,

Dave
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Old 11-14-2014, 04:46 PM   #13
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Originally Posted by dnsommer2013 View Post
I'm not sure what you mean by, "I'm a fan at .75 CCW"?

Is it possible to rotate just one element in an image?

CCW = Counter Clockwise?

Thanks,

David
Sorry bout that. The entire image needs around .75 degrees of counter-clockwise rotation.

Loyd L.
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Old 11-14-2014, 04:47 PM   #14
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He is saying rotate the entire image CounterClockWise .75 of a degree.

Pixel smear - a term I had not heard of till now - is simply that, say you have something red in front of a blue background. If that red object has a vertical line, then if the image is properly leveled (maybe that should be called "verticalled" as vertical lines make better references than horizontal ones) then the pixels at the border between object and background will be all blue or red -that will define the line. If the image is a bit askew, however, then when fully zoomed in (say, 600%) you won't see as crisp a distinction between black and white as the diagonal of the vertical line (since it is a bit askew) means a diagonal series of purple pixels, where the blue and red been blended.

All that for what was, I presume, a light-hearted throwaway phrase - a good one! - not a specific term in general use.
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Old 11-14-2014, 05:25 PM   #15
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Pixel Smear was also a synthpop band in the mid 80s. They're big hit was "Stand Up Straight."
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Old 11-14-2014, 06:12 PM   #16
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He is saying rotate the entire image CounterClockWise .75 of a degree.

Pixel smear - a term I had not heard of till now - is simply that, say you have something red in front of a blue background. If that red object has a vertical line, then if the image is properly leveled (maybe that should be called "verticalled" as vertical lines make better references than horizontal ones) then the pixels at the border between object and background will be all blue or red -that will define the line. If the image is a bit askew, however, then when fully zoomed in (say, 600%) you won't see as crisp a distinction between black and white as the diagonal of the vertical line (since it is a bit askew) means a diagonal series of purple pixels, where the blue and red been blended.

All that for what was, I presume, a light-hearted throwaway phrase - a good one! - not a specific term in general use.
Okay! Thanks! So, is there an exact scale indication of degrees somewhere when you enter crop mode and rotate the little curved bi-directional arrow at the corner of the image? I've been just lining up a grid line with something that appears straight up vertical. You know, by sight.

Also, did anyone have a look at the grade crossing shot in the second or third reply? I haven't done much to it, but I like it. Is it worth a try in your opinions? I was in burst mode, so I have about ten takes on this moment.

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Old 11-14-2014, 09:24 PM   #17
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Also, did anyone have a look at the grade crossing shot in the second or third reply? I haven't done much to it, but I like it. Is it worth a try in your opinions? I was in burst mode, so I have about ten takes on this moment.
Only opinion that counts hereabouts is the screener's. Send it. What have you got to lose?
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Old 11-14-2014, 09:57 PM   #18
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Okay! Thanks! So, is there an exact scale indication of degrees somewhere when you enter crop mode and rotate the little curved bi-directional arrow at the corner of the image? I've been just lining up a grid line with something that appears straight up vertical. You know, by sight.

Also, did anyone have a look at the grade crossing shot in the second or third reply? I haven't done much to it, but I like it. Is it worth a try in your opinions? I was in burst mode, so I have about ten takes on this moment.
Re grade crossing, quick answer is the nose is centered in the frame which RP does not like, so crop bottom and right.

Re rotation, in PS Elements you can put in an actual degree value. However, one pretty much never does that because one does not know the value in advance. In this case Loyd may have put your shot into software and come up with that number, or he may have eyeballed it.
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Old 11-15-2014, 04:12 PM   #19
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... (maybe that should be called "verticalled" as vertical lines make better references than horizontal ones) ...
Up here in the boonies we call that "plumb"
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Old 11-15-2014, 04:28 PM   #20
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"Plumb" is perfect, nice word, wish I had remembered it myself.
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Old 11-15-2014, 08:45 PM   #21
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"Plumb" is perfect, nice word, wish I had remembered it myself.
Same here! You frequently hear "plumb and square." Anyone knows what you mean.
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Old 11-16-2014, 05:11 PM   #22
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Only opinion that counts hereabouts is the screener's. Send it. What have you got to lose?
I only get one submission per day. At least that is until I make a donation. So I don't want to waste a turn at it by submitting a photo that I can't see is hopelessly flawed! Trying the twenty or so possible takes I have of this subject could take the better part of a month!

Dave

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