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Thread started 16 Oct 2004 (Saturday) 20:20
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Replacing the Sky -- Using a Radial Gradient

 
gmitchel
Senior Member
306 posts
Joined Oct 2002
Location: Tallahassee, FL
     
Oct 16, 2004 20:20 |  #1
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Here is an image from Lamont, FL. A bit of autumn color in North FL.

It's a Canon 10D shot from last autumn. Canon 17-40mm "L" lens. Polarizer. I quickly ran onto a highway bridge and snapped the image.

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Actually, I took several exposures. I was happy with the details on the right in this one, although the sky was disappointing.

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Versions with a dark blue sky lost a lot of details on the right.

I could have sandwiched two exposures and used layer masks, but I decided instead to work with one image. So, how did I fix the sky?

I started with a selection of the sky using the Magic Wand tool. I set it 50 for Tolerance and unchecked the Contiguous box. A few pieces of the water were inadvertently selected, and I converted to Quick Mask mode and painted them out. I applied a Gaussian Blur before leaving Quick Mask mode to soften the selection edges.

Then I took an image where I liked the sky and made a gradient from dark blue and light blue in the sky.

I made a new layer for the selection using ctrl-j (cmd-j) and then applied the gradient as a radial gradient from the upper left to the lower right.

I made a duplicate layer with alt-ctrl-shift-n-e and used it to make some minor tweaks to Color Balance and to Levels.

The next step was to reduce a specular highlight on the bridge. I made a selection with the Magic Wand, feathered the selection, and added a Levels adjustment layer to lower the white output slider to 205.

Sharpening was done on a duplicate layer (alt-ctrl-shift-n-e) using a dual contour luminosity mask USM sharpening with my TLR Sharpening Toolkit (free to all on my Web site).

Final step also used a duplicate layer (alt-ctrl-shift-n-e). It was round of Local Contrast Enhancement using USM 20,50,0.

Comments are welcome!

Cheers,

Mitch
--
http://www.thelightsri​ghtstudio.com (external link)
http://www.thelightsri​ght.com (external link)
http://groups.yahoo.co​m/group/TheLightsRight​/ (external link)



  
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Tshoe
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272 posts
Joined Jul 2004
Location: Murrells Inlet, SC
     
Oct 17, 2004 17:01 |  #2

Looks great!!
What brought out the colors in the trees? They pop right out compared to the before picture.


Gallery at www.cameranut64.com (external link)

40D, Tamron 75-300, Tamron 28-75 2.8, Canon 50 1.8, kit lense, 550EX, CS4, Adobe LR 2.0, PhotoShop CS5, 3-2 gig & 2 4gig Sandisk Ultra CF cards.
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gmitchel
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306 posts
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Location: Tallahassee, FL
     
Oct 17, 2004 19:18 |  #3
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Tshoe wrote:
Looks great!!
What brought out the colors in the trees? They pop right out compared to the before picture.

The Localized Contrast Enhancement helped a lot.

It's the tip of the week on my site this week (until tomorrow). I posted a thread here on it a couple of days ago.

Cheers,

Mitch




  
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gmitchel
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Location: Tallahassee, FL
     
Oct 17, 2004 19:20 |  #4
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I dod forget to mention that I added a Hue/Saturation layer thatg boosted saturation for the Reds (+10), Yellows (+15), and Greens (+10).

Cheers,

Mitch




  
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gmitchel
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Location: Tallahassee, FL
     
Oct 19, 2004 21:48 |  #5
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Now my "Tip of the Week"

I made this my "tip of the Week"

Here's the URL for step-by-step instructions

http://www.thelightsri​ghtstudio.com …fTheWeek/TipOfT​heWeek.htm (external link)

Cheers,

Mitch




  
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tpinchback
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Location: Houston
     
Oct 19, 2004 23:02 |  #6

Job well done!!!

Thank you very much for sharing the insights on how to change the sky, I have been trying many differnt techniques on how to do this, but none of them came out as well as yours.


thanks again
Stephen


1D MKIII 5D MKII
Glass ranging from 16mm to 400mm

  
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2new
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Oct 20, 2004 08:33 |  #7

Ditto

I have been trying many differnt techniques on how to do this, but none of them came out as well as yours.

Nice picture & I am definitely going to try this technique.

Michael


Michael Cassidy
www.mCassidy.com (external link)

  
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gmitchel
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306 posts
Joined Oct 2002
Location: Tallahassee, FL
     
Oct 21, 2004 06:27 |  #8
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tpinchback wrote:
Job well done!!!

Thank you very much for sharing the insights on how to change the sky, I have been trying many differnt techniques on how to do this, but none of them came out as well as yours.


thanks again
Stephen

Super! I love to hear from people who find my tips and tutorials help. :)

Feel free to look around the Digital Darkroom on my site and download anything that helps.

Cheers,

Mitch




  
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Replacing the Sky -- Using a Radial Gradient
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