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|Category:||Landscape and Travel|
Adding a sky behind a lighthouse - How to add a sky to a photo of a lighthouse using Photoshop.
Step 1: Open the lighthouse and choose a sky photo
Select you lighthouse photo and choose a suitable cloud picture.
Step 2: Select the sky areaMake a selection of the sky on the lighthouse photo, use the magic wand with the Add to Selection option with Tollerance set to the default 32 and click around the sky to gradually select it all.
Step 3:Fine tune the selection
Magnify the photo by holding down the ctrl key and clicking the + key. Look at the selection around the lighthouse. The magic wand is good, but sometimes misses bits or removes too much. If the marching ants (selection) is crossing into the lighthouse refine the selection using the Polygonal Lasso tool in Subtract from selection mode. Click on an edge where you want to start to exclude from the selection and then move to another point and click to draw a line. Keep doing this until you return to your start point and the selection will be removed from the original magic wand area. Repeat this in various areas until you have am accurate selection around your lighthouse.
Step 4: Expand the selection
Now expand the selection by 1 to 3 pixels depending on the size of your photo -Select > Modify > Expand. This will make the selection cross over into the lighthouse and horizon areas by 3 pixels. This is just enough to clip off the edges and prevent a halo so the result doesn't look cut out.
Step 5: Feather the selection
Feather the selection by 1 to 2 pixels to soften the edges and make it look even less like a cut out. Select > Modify > Feather (shift + F6 shortcut keys).
Step 6: Copy the cloud photo
Open the cloud photo and copy it - Select > All (Ctrl + A) and Edit > Copy (Ctrl + C).
Step 7:Paste the clouds into the sky
Go back to the lighthouse image and paste the copied clouds into the selection - Edit > Paste Into (Shift + Ctlr + V). Notice this creates a new layer, and also automatically a layer mask. Showing the black area as th masked area and white as the show through, unmasked area.
Step 8: Adjust the size of the clouds layer
The image may be smaller or bigger than the selected area. Go to Edit > Transform > Scale and resize the image using the corner drag handles. Single click and drag to reposition the clouds.
Step 9: Match the colour of the clouds
Once the clouds are in place it's likely that their colour range will look unnatural to the colour of the background layer. Photoshop has a neat trick called Match Color Image > Adjustments > Match Color. This lets you match the the two by choosing one layer's colour properties to influence the other layer. You can adjust sliders for luminance, colour intensity and fade to fine tune the result.
Step 10: Refine the mask
Now click on the layer mask and use the eraser brush set to white or black to add or paint any badly masked areas. Use a small brush with a sharp edge on straight areas like the wall of the lighthouse and a slightly larger brush with a soft edge on the horizon, especially if there's foliage.
Job done - almostThat would almost be the job done and we could flatten the image and adjust levels to bring it all together, but in this example we have some puddles with reflections of the sky which are now unnatural. So we need to add another step.
Step 11: Select the puddle
Repeat Steps 2 to 9 selecting the puddle area instead of the sky so the clouds are pasted into the puddle. After step 8 go to Edit > Transform > Flip vertically to make the clouds appear as though they are reflected.
Step 12: Alter the blend mode
Change this layer to Darken and set the opacity to 70% so the reflection looks more realistic.
Step 13: Flatten and adjust contrast
Now flatten the image and make any contrast adjustments and maybe even add a filter...I added an 81A warm filter from the Image > Adjustments > Photo Filter options.
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