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Thread started 11 Jul 2010 (Sunday) 01:15
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Editing Assistance - "Stack" 13 photos on top of each other

 
dinanm3atl
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Jul 11, 2010 01:15 |  #1

Picture a parking lot with 15 cars in 15 spaces. We used those cars to 'fill up' the whole parking lot by moving them. Snap photo. Move them. Snap photo.

Now how can I edit it? Essentially I need to grab the cars from each layer and place it on the 'main' image. Auto-Blend is terrible. Simply erasing parts or the top layer to let it show through will then be over the edge into the next layer and does not look right?

Any assistance? Ideas? Thought? Strategies?


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Radtech1
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Jul 11, 2010 01:37 |  #2

Have you acquired the images yet?

If not, mount the camera on a tripod and shoot your 15 shots, then yes, you can just cut and paste them in. As you tidy up the edges, if you find the are too sharp, then increase the feather of the eraser tool.

Rad


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dinanm3atl
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Jul 11, 2010 01:57 |  #3

I shot it already. On a tripod. No problem at all!

"Cut and paste"? IE take what parts I want and paste them in?


Halston - MotorSports Photographer
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spuddevans
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Jul 11, 2010 02:16 |  #4

Sounds like a job for Layer Masks, just get all the pictures on seperate layers, then apply layer masks to all layers, then just paint in required cars with a soft edged brush on each layer mask.

Tim


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dinanm3atl
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Jul 11, 2010 02:18 |  #5

spuddevans wrote in post #10514556 (external link)
Sounds like a job for Layer Masks, just get all the pictures on seperate layers, then apply layer masks to all layers, then just paint in required cars with a soft edged brush on each layer mask.

Tim

Where is the 'soft edge brush'. And set the brush color to black? Select the layer mask on each layer and paint it in essentially?


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Radtech1
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Jul 11, 2010 02:38 |  #6

If the Layers Mask Routine is too complicated then:

Pick any image at random for your "initial" image and load it into Photoshop.

Load a second image at random.

Copy/Paste the second image into the first, which creates a second layer of the second image on top of the first.

Using any method you feel comfortable with, loosely (precision not needed here) select just the car and it's shadow on the second layer.

Invert the selection.

Cut the inverted selection.

If done right the second layer now consists of just the car and nothing else. The now gone cut areas of the second layer (most of it) allow the first layer to show through, so you should see two cars.

Use a soft edge eraser tool to "tidy up" the cut edge on the second layer.

Repeat 14 more times.

Rad


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broadcast_techie
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Jul 11, 2010 02:41 |  #7

http://www.youtube.com​/watch?v=DA8TgyTruV8 (external link) should answer your questions




  
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dinanm3atl
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Jul 11, 2010 02:42 |  #8

Thanks guys... I will get there...


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tonylong
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Jul 11, 2010 06:43 |  #9

It sounds like you want to make something like a "realistic looking collage" rather than just trying to blend layers together. In other words, correct me if I'm wrong, but you want to be able to place each car in a chosen spot at a chosen size that would not overlap the others, at least in an obtrusive way. If that's the case, you want to select each car and place that selection on its own layer so you can move it, size it, do processing on it at will.

Or maybe I'm missing your objective here...


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Edsport
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Jul 11, 2010 07:55 |  #10

To make it as simple as possible. Open 2 or more pics in photoshop, go to select and choose all, go to edit and copy. Now go to the other pic and click on edit and paste. Use the eraser or history brush from and erase the car into the pic. Do this with all the other pics, just paste into the main pic and you're done...


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PhotosGuy
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Jul 11, 2010 08:40 |  #11

broadcast_techie wrote in post #10514602 (external link)
http://www.youtube.com​/watch?v=DA8TgyTruV8 (external link) should answer your questions

More: Need to remove a background from something?


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dinanm3atl
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Jul 11, 2010 11:23 |  #12

I will upload a handful of the photos here so you get an idea... There are 15 or so cars in each photo. We moved them and took another shot. So using 15 cars and 13 photos we 'filled up the lot'.


Halston - MotorSports Photographer
1Dx - 1Dx - A7r - 400L f/2.8 - 70-200L f/2.8 - 24-105L f/4 - 17-40L f/4 - 50 f/1.4 - 8mm f/3.5 Fisheye - 1.4x TC - 2x TC
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Radtech1
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Jul 11, 2010 13:57 |  #13

dinanm3atl wrote in post #10515952 (external link)
I will upload a handful of the photos here so you get an idea... There are 15 or so cars in each photo. We moved them and took another shot. So using 15 cars and 13 photos we 'filled up the lot'.

Good idea - I look forward to seeing them.

Rad


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PixelMagic
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Jul 11, 2010 14:28 |  #14

My understand of your original post is that you want to create a composite giving the impression of a full parking lot. I don't see how opening the image in layers will work since it wouldn't show the entire span of the parking lot....which I think is what you want to show.

Here's how I would do it.

1. Start Photoshop and create a new file (File > New). for the dimensions you can input the total width and height of ALL the images you want to use. So if you have 13 images that are 300 x 200 each; the dimensions for your new image will be 3900 x 2600.

2. Now open the photos of the cars in Photoshop and use the Move Tool (V) to drag each photo individually and drop them into place on the large canvas you created. Presumably the parking lots has the spaces marked by lines so you can use the lines to line up the photos correctly. As you move each image; they will be placed in their own separate layer. You can also use the Nudge command (the arrow keys) to line them up precisely.

3. You may need to do some cloning and/or edge blending to finalize the composite.

Obviously you can tell from the steps I described that you can't open all the photos in layers then try to move them around because the canvas would not be large enough and if you attempted to add a new layer and increase its size it will also increase the size of the layered photos. Doing it like I described would be similar to putting a jigsaw puzzle together. If the table isn't large enough for the puzzle it will never fit. And stacking the puzzle pieces in layers means that you aren't putting the puzzle together.

dinanm3atl wrote in post #10514374 (external link)
Picture a parking lot with 15 cars in 15 spaces. We used those cars to 'fill up' the whole parking lot by moving them. Snap photo. Move them. Snap photo.

Now how can I edit it? Essentially I need to grab the cars from each layer and place it on the 'main' image. Auto-Blend is terrible. Simply erasing parts or the top layer to let it show through will then be over the edge into the next layer and does not look right?

Any assistance? Ideas? Thought? Strategies?


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Radtech1
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Jul 11, 2010 14:49 |  #15

PixelMagic wrote in post #10516706 (external link)
My understand of your original post is that you want to create a composite giving the impression of a full parking lot. I don't see how opening the image in layers will work since it wouldn't show the entire span of the parking lot....which I think is what you want to show.


OHhhh! [Where's that damned "light bulb" smiley?]


dinanm3atl, are you saying that each of your photographs is of a different area of the parking lot? As in, move the cars and move the camera (or at least, move where it's pointed)?

All of my post have been assuming that the entire parking lot was visible in each of the photos, that the only thing changing was the car placement.

Please help me understand what you have going on.

Rad


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