Lightroom Help Please

alpina

alpina

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1,179
Name
Andy
Edit My Images
Yes
Hi Guys,

I have a few images that I have shot against a hilite unit and the train is not as white as the background. Is there a streamlined way to make the train as white as the background? At the moment I can either use the option to edit in cs3 or use the dodge and burn tools.

Any other ideas?

Andy
 
Depending on how different the dress against the background is you could try applying a luminance mask and then adding a curves adjustment. You can google: luminance mask photoshop and probably come up with a number of pages that show you how to do it.
 
LJR said:
Depending on how different the dress against the background is you could try applying a luminance mask and then adding a curves adjustment. You can google: luminance mask photoshop and probably come up with a number of pages that show you how to do it.
Click to expand...

Thanks for taking the time LJR, its really a way to do it Lightroom that I am after:thumbs:
 
Any reason you can't use the Local Adjustment Brush?
 
Tim,

I struggle a wee bit with the brush as it is local, my real aim is to find a way to click on the white I would like and it would apply to the rest of the image like it does in photoshop.
 
Any chance you can post a copy of the image so that we can see what challenge you face? Local adjustments are usually pretty good, once you know how to configure the settings.

You can selectively brighten or desaturate "whites" by using the dragging tool in the HSL panel, but all areas of similar colour/tone will get brightened/desaturated too, wherever they are in the image. If you want to make an adjustment to a particular area then you will have to use the brush. Automasking should make things easier, maybe.
 
Don't have an answer for you but once you do ... If your shots are from a fixed point you can copy the adjustments on one image and paste them onto the others to save time.
 
To be honest Lr is not the place to do this. It's a 2 minute fix in Ps though.

Original4.jpg


Edit6.jpg


A quick selection and a levels or curves adjustment layer and bob's yer uncle
 
Dead easy and quick in LR too....

20100304_213026_LR.jpg


and if you want to erase some of your changes then you can do that too....

20100304_165931_4884_LR.jpg
 
Tim, what about when you have a subject wearing a white shirt? the control just isn't the same - Also you still need to keep a small shadow on the floor......
 
There are times when you need Photoshop, but plenty of times when LR will do you just fine. Since we don't know the image in question here, and exactly what change is required, it's pretty hard to be sure whether or not LR will get the job done.
 
Tim , Useful screen grabs, thanks. How do you select edge masking though?
 
Eos, I never considered using quick selection to be honest. I tend to end up using the history brush.
 
Tim so where is the edge mask in Lr?
 
alpina said:
Eos, I never considered using quick selection to be honest. I tend to end up using the history brush.
Click to expand...

The selection is feathered and the adjustment layer turns the grey to white.
 
The edge mask is for sharpening and has nothing to do with the adjustment brush. That was left over from a prior edit. Sorry for the confusion.
 
So what are you doing then to edit the grey out?
 
You've lost me. What grey? My edit was to add overexposure to a blue sky, simply to show how quick and easy it is to make local adjustments with automask taking care of things that I don't want adjusted.

Is this incomplete adjustment the sort of thing you mean?

20100304_223151_LR.jpg



More aggressive edit....

20100304_223909_LR.jpg


p.s. I don't use Photoshop, only LR.
 
OK yes - My point is that when using the adjustment brush with a light subject and the grey floor that it's difficult to control the exposure on the subject. Yes you can erase the selection too but it's not the easiest software to use for this type of editing.
 
Tim, how did you get that white background with the birds? Tried to do that in LR once but was awful!
 
cambsno said:
Tim, how did you get that white background with the birds? Tried to do that in LR once but was awful!
Click to expand...
Easy peasy - I just used the Exposure local adjustment brush. Automasking meant the bird remained safe, but I did have to exercise care not to harm the shadow. That was simply a matter of carefully controlling the positioning of the adjustment brush itself. Here are the adjustments that go with the full before/after....

20100306_134703_00_LR.jpg


EDIT : I just tried pretty much reversing my approach, starting from scratch once more and this time raising exposure for the whole image by 1 stop and then painting in a -0.8 exposure on the bird and shadow. This approach was at least equally effective, perhaps a little better overall.....

20100306_143419_16_LR.jpg


Here's the resulting image....

20070724_114609_LR.jpg
 
Tim,:thumbs:Brilliant and thanks for taking the time to write this up:thumbs:
 
What does Auromask do?
 
It means that the brush will not have any effect on colours and tones that are distinctly different from the colour/tone that you are wishing to adjust. Basically the centre of the brush monitors whatever colour/tone it is on and any roughly equivalent areas anywhere within the perimeter of the brush will have the adjustment applied, while any pixels with different tones/colour will be ignored.

So, with the bird against the "white" background, I can drag quite roughly/loosely all over the bird, making changes to the blues of the bird, and the white background will be completely unaffected by the changes. Equally I can drag around the "white" background, making changes, and the blue of the bird will remain unaltered.

The same would go for deepening the blues of a sky in between the branches of a tree, for example. Just keep the cursor on the sky tones and let the brush add its adjustments to other bits of sky in between branches as you drag the brush around the sky. That's exactly what I did with the pylon example earlier. I dragged a large brush around the sky on the right of the image and the brush made all the changes in between the pylon girders without make having to make fancy selections and masks. Automask meant that any tones I did not touch with the centre of the brush did not get adjusted.
 
I see it now! :) Nice but not near as quick or accurate as Ps - but does depend on the subject.
 
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