The Secret To Creating Amazing Composites: Perspective And Vanishing Points
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Finding the horizon line and the vanishing points in Photoshop tells you where a subject belongs in a scene and how big it should be.
You can get everything else right, lighting, color, shadows, and extractions, but if the perspective is off, your viewer will know something is not right. They might not know exactly what it is, but they will know something is wrong with the image.
This lesson is for anyone who builds composites from photos shot at different times and in different places. It uses no plugin and no special filter, just a few rules from a traditional art class.
By the end, you will be able to find the horizon line in any photo and move a subject to match its background. You will also scale it in perspective and reshape a building with Perspective Warp.
The video was recorded in Photoshop 2018 (version 19.0), and every tool it uses works the same way in the current version.
Note: The vanishing point here is a drawing principle, not the Vanishing Point filter under the Filter menu. You will not open that filter in this lesson.
Key Takeaways
- The horizon line is where the ground plane meets the sky, and it always sits at the camera’s eye level. That is true even when the sky is hidden behind buildings.
- Lines that are parallel in real life converge toward a vanishing point in a photo, and every vanishing point sits on the horizon line. Trace those lines with the Line Tool to find it.
- A camera pointed down puts the horizon line high in the frame, and a camera pointed up puts it low. That is the fastest way to guess the horizon on a photo with no lines to trace.
- You cannot see the top of anything above the horizon line, or the bottom of anything below it. Use that rule to guess where a car or a person belongs in a scene.
- A subject does not need to sit exactly on the horizon line. People and other organic shapes can go a little above or below it, but a big mismatch always shows.
- Photoshop cannot force two photos shot from very different heights to agree. Sometimes the only fix is a different background or a different subject.
Table of contents
- What You Will Learn
- Requirements
- Keyboard Shortcuts for Perspective in Photoshop
- Why Perspective Is the First Thing to Get Right in Photoshop
- Where the Horizon Line Sits in a Photo
- How to Find Vanishing Points in Photoshop With the Line Tool
- Match an Object to the Vanishing Point
- Scale in Perspective With Free Transform
- Two-Point and Three-Point Perspective: More Vanishing Points
- What You Cannot See Above or Below the Horizon Line
- Match the Subject to the Background
- When Two Photos Have Different Vanishing Points
- Change an Object’s Perspective With Perspective Warp in Photoshop
- Frequently Asked Questions
- Conclusion
- Related Links
What You Will Learn
- How to find the horizon line in a photo by tracing its converging lines
- How to tell whether the camera was pointed up or down, and where that puts the horizon line
- How to move a subject so its horizon line matches the background
- How to scale an object in perspective with a pivot point on the horizon line
- How to change the perspective of a building with Perspective Warp
- How to spot a composite that moving and scaling layers will never fix
Requirements
Before you start
- Photoshop 2018 (version 19.0 or later) or the current version
- A subject already cut out from its background with a layer mask, plus a background photo
Practice Files
Download the layered Photoshop file used in this tutorial and follow along step by step.
Keyboard Shortcuts for Perspective in Photoshop
| Action | Windows | macOS |
|---|---|---|
| Disable or re-enable a layer mask | Shift-click the layer mask thumbnail | Shift-click the layer mask thumbnail |
| Free Transform | Ctrl T | Command T |
| Scale in perspective from the pivot point | Shift Alt and drag a corner handle | Shift Option and drag a corner handle |
| Move both points of a Perspective Warp line | Shift-click the line | Shift-click the line |
| Cancel Perspective Warp | Esc | Esc |
Why Perspective Is the First Thing to Get Right in Photoshop
The video opens with a composite of a man standing on a beach. The lighting works, the colors match, and there is even some mud on his shoes that makes it look like he is standing right there.
Yet the more you look at the image, the more you know that something is off. Have you ever had that feeling about a composite you made? In a lot of cases, the perspective is what causes it.
Do not feel too bad if you are making these perspective mistakes. Movie posters and advertisements get it wrong too, so even some pros have problems putting together multiple images from different sources.
The fix comes down to two questions. How do you find the perspective of each image? And how do you make the two match?
Everything in this lesson comes from a traditional art class, not from a Photoshop feature. When you draw, you use perspective, highlights, and shadows to fool the eye into believing a flat image is real. In Photoshop you are not drawing the photos you bring in, but the same principles still fool the eye.
Perspective is one of several things a viewer checks without knowing it. The other fixes, from rim light to mask halos, are in 7 easy Photoshop tips to make your composites more realistic.
Tip: To compare your composite with the original photo, hold Shift and click the layer mask thumbnail in the Layers panel. That disables the mask and shows the whole photo. Hold Shift and click again to bring the mask back.
Where the Horizon Line Sits in a Photo
Start with a simple diagram. A grid represents the ground plane, a line above it represents the horizon line, and above that is the sky. The horizon line is where the ground plane meets the sky.
No matter what image you work on, it always has a ground plane and a place where that ground meets the sky. That is true even when the sky is hidden behind buildings or a wall.
Your eye level is always where the horizon line is. In a photo, that means the horizon line sits wherever the camera was when the image was shot.
So when you look at a photo, ask where the camera was pointed. Two rules follow from that.
- If it looks like the camera was pointing up, the horizon line is low in the image, below the center.
- If it looks like the camera was pointing down, the horizon line is high in the image, above the center.
That quick check is often enough to place the horizon line on a photo with a white background, where there are no lines to trace.
A high horizon line does not mean the camera was in the air. You can be taking a photo of something on the ground, and the horizon line still sits high because the camera pointed down.
How to Find Vanishing Points in Photoshop With the Line Tool
A diagram makes the horizon line easy to spot. On a real photo, you find it by following the converging lines to the vanishing point. Tracing those lines is the fastest way to find vanishing points in Photoshop.
The example is a photo of a train station. Lines that are parallel in real life converge toward a single point in the photo. That point is the vanishing point, and every vanishing point sits on the horizon line.
- Select the Line Tool from the toolbar.
- Set the foreground color to red, or any color that stands out against the photo.
- Click and drag along one of the parallel converging lines.
- Repeat on a few more lines. Where they meet is the vanishing point, and the horizon line runs through it.
In the train station, every line converges right about the center of the image. That is the vanishing point, so the horizon line runs through the center of the photo. Draw lines outward from that point and you will see every edge in the station line up with them.
You can double-check with the ground plane. The station floor is the ground. You cannot see the sky, but you can guess where it would start, and that spot lands right on the vanishing point.
Not every photo has such clear converging lines. Sometimes you need to make a good guess, especially on images with a white background. Use the camera rule from the last section: pointing down puts the horizon above the center, and pointing up puts it below.
Note: The vanishing point does not have to be inside the photo. Sometimes it sits outside the canvas, and that is okay.
The same rule holds when the camera is high up. In the city photo, you are standing on top of a building, yet the converging lines still end on the horizon line, right where the sky begins.
Match an Object to the Vanishing Point
The train station is one-point perspective: one vanishing point on one horizon line. A set of boxes on a ground plane shows the same thing. Follow the edges of any box and they meet at one point on the horizon line.
Turn a cube to face another direction and its edges still converge on that same horizon line. That works because the cube is sitting on the ground plane.
Now bring in a cube from another source. Right away you can tell it does not match the perspective of the other cubes. That is exactly what happens in a composite when the subject was shot from a different height.
To make it match, find the horizon line of the new cube. Follow its converging lines to its vanishing point. Then drag the cube down until its vanishing point lands on the horizon line of the scene.
Once the perspective is right, the cube looks like it is sitting on the ground plane, and you can place it anywhere along that ground.
Note: You do not need to place everything exactly on the horizon line. A road or another obvious straight object has to be exact. Organic things like people can go up a little or down a little, but you cannot be completely off, because then it becomes obvious.
Scale in Perspective With Free Transform
Once the cube sits at the right height, it may still be the wrong size. Here is a trick to scale it in perspective.
- Select the cube layer and press CtrlT (Windows) or CommandT (macOS) to open Free Transform.
- Drag the pivot point to a spot on the horizon line.
- Hold ShiftAlt (Windows) or ShiftOption (macOS) and drag a corner handle. The cube scales from the pivot point, so it stays on the ground plane as it grows or shrinks.
Note: Since Photoshop 2019 (version 20.0), Free Transform hides the pivot point by default. To show it, select the Toggle Reference Point checkbox at the left end of the Options bar while Free Transform is active. To make it the default, go to Preferences > Tools and turn on Show Reference Point When Using Transform.
The pivot point can sit anywhere along the horizon line, even far outside the object. The cube always looks like it is sitting on the ground.
For the most accurate result, place the pivot point on the cube’s actual vanishing point. Then scale in perspective from there.
Two-Point and Three-Point Perspective: More Vanishing Points
So far every example has used one-point perspective. Real scenes often have more.
Two-point perspective has two vanishing points on one horizon line. Picture the corner of a street. Each side of a building runs toward its own vanishing point, and both points sit on the horizon line.
Three-point perspective adds a third vanishing point. Shoot up at a tall building, and two vanishing points still sit on the horizon line while the third one sits up in the sky.
Remember the camera rule. Shooting up puts the horizon line low, so in that building photo the horizon line sits well below the center.
Flip the image and the story flips with it. Go to Image > Image Rotation > Flip Canvas Vertical. Now it looks like you are flying over the building and shooting down at it, and the horizon line sits high.
You do not have to be flying over anything to get a high horizon line. Pointing a camera down at something on the ground does the same thing.
What You Cannot See Above or Below the Horizon Line
Here is another rule that helps you place objects. You cannot see the top of anything that sits above the horizon line.
Look at a column of boxes drawn in perspective. The three boxes above the horizon line show no top. The boxes below it show no bottom. Anything below the horizon line hides its bottom, and anything above it hides its top.
That rule gives you a quick way to place a stock image. Take a photo of a car. To make it sit on the ground in a scene, you need to know the car’s perspective. You could draw lines to find it, but the boxes let you make a good guess.
You cannot see the bottom of the car, so it must sit below the horizon line. How far below? You can see a lot of the hood, but you are really looking down at the roof. Pick the box that shows about as much of its top as the car shows of its roof.
Place the car at that height in the diagram and it already looks like it belongs there.
Match the Subject to the Background
Back to the man on the beach. Where is the horizon line of the beach photo? Way up high in the frame.
Where is the horizon line of the man? Right above his knees. Whoever shot that photo got down low, so the camera was around knee height.
That is why the composite feels wrong. The lighting, the color, and the mask are all right, but the two horizon lines do not match.
You can fix it in one of two ways.
- Drag the man up so the beach’s horizon line runs right about where his knees are.
- Or drag the background down so its horizon line drops to his knees.
Either way, simply matching the perspective makes the image look much more realistic. Nothing else changed.
Perspective is the first match. Light, color, and depth of field come next, and How To Match a Subject Into Any Background in Photoshop walks through all of them on one composite.
When Two Photos Have Different Vanishing Points
Unfortunately, moving layers does not always work. Put the same man into the train station, where the horizon line runs through the center of the image.
Drag him so the horizon line sits at his knees. He is too tall, so scale him down with the pivot trick. Press CtrlT (Windows) or CommandT (macOS), put the pivot point on the horizon line, and hold ShiftAlt (Windows) or ShiftOption (macOS) while you drag a corner handle.
No matter how you scale him, he looks like a giant. The perspectives of the two images are simply too different.
Opposite perspectives are useful when you want something to look really big or really small on purpose. When you want a subject to blend in, they will not work.
In that case you have three choices. Use a different background, use a different foreground, or live with the fact that the two will never sit in perspective.
That is the downside of working with images you did not shoot yourself with the composite in mind.
Change an Object’s Perspective With Perspective Warp in Photoshop
Organic subjects like people and animals are stuck with the perspective they were shot in. Hard objects are different. A car, a building, or a crate can be reshaped to match the scene with Perspective Warp.
The example is a building on its own layer.
- Select the building layer in the Layers panel.
- Go to Edit > Perspective Warp.
- Click on one corner of the building to create a grid, then drag the points of the grid to the corners of that face of the building.
- Create a second grid for the other face. Drag it next to the first grid and it snaps to it, along the side and along the bottom.
- Click Warp in the Options bar.
- Drag the grid points to distort the building until its converging lines would meet at the horizon line of the scene.
- Click the straighten icon in the Options bar to straighten those lines, then keep moving the points.
- Hold Shift and click a grid line. It highlights in yellow, and you can move both of its points at the same time.
The perspective is now much better than it was originally.
Note: This technique works on a Smart Object, so you can work non-destructively. Disable the effect in the Layers panel to compare before and after. Double-click the Perspective Warp label to bring the points back and keep adjusting them.
If you open the grid again and nothing needs to change, press Esc to cancel out of Perspective Warp. The same technique fixed the perspective of the crate in the composite that opens the video.
Perspective Warp has more to it than one building. Perspective Warp in Photoshop covers Layout and Warp mode on rooms, buildings, and floor logos.
Frequently Asked Questions
A vanishing point is the spot where lines that are parallel in real life appear to meet in a photo. Every vanishing point sits on the horizon line. You find it by tracing the converging lines of the photo with the Line Tool and seeing where they cross.
Follow the converging lines in the photo to their vanishing point, and the horizon line runs through that point. If the photo has no clear lines, judge the camera angle instead. A camera pointed down puts the horizon line above the center of the frame, and a camera pointed up puts it below.
Line up the horizon line of the subject with the horizon line of the background. For a person, find the height where the camera was, such as the knees, and move that point onto the background’s horizon line. People can sit a little above or below it, but a big gap always shows.
Press CtrlT (Windows) or CommandT (macOS) to open Free Transform, then drag the pivot point onto the horizon line. Hold ShiftAlt (Windows) or ShiftOption (macOS) while you drag a corner handle. The object scales from the pivot point, so it stays on the ground plane.
No. This lesson treats vanishing points in Photoshop as a drawing principle, using horizon lines and converging lines. The Vanishing Point filter under the Filter menu is a separate tool, and the video does not use it.
Not always. If the subject was shot from knee height and the background from high above, no amount of moving or scaling will make them match. Your options are a different background, a different subject, or accepting the mismatch. Hard objects like buildings are the exception, because Perspective Warp can reshape them.
Yes. Apply Perspective Warp to a Smart Object and it stays editable. Double-click the Perspective Warp label in the Layers panel to bring the grid back and keep adjusting it.
The horizon lines of the two photos are far apart, so the person is scaled against the wrong perspective. Opposite perspectives are how you make something look huge or tiny on purpose. If you want the person to blend in, you need a background shot from a similar camera height.
Conclusion
Every rule in this post comes from traditional art, not from a Photoshop feature. Find the horizon line, match the vanishing points, and a subject sits in its background instead of floating on top of it.
The tools are ones you already have: the Line Tool, Free Transform, and Perspective Warp. None of them changed between Photoshop 2018 and the current version.
Watch the video above to see each example move, and comment on the video if you have a question.
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Keep going
Now that the perspective matches, learn how to match light, color, and depth of field in How To Match a Subject Into Any Background In Photoshop.
you’re out of your stupid mind thinking everyone needs TWEET when tuts like yours are available all over the Internet for FREE with social-networking
Marvin,
Fist I would like to ask, what was the purpose of leaving that comment. If you don’t like something, move on, were you hurt by this tutorial? Apparently you were very interested in the tutorial and wanted to LEARN from it, because you wanted to download the tutorial files.
If you can FIND tutorials “all over the internet” then please, go all over the internet and enjoy yourself.
I hope your day get’s better.
I for one, enjoyed the tutorial and learned from it.
Larry
That was rude and rather uncalled for !
Marvin,
Some people put a value on knowledge. I hope someday you will too.
Yet again another super tutorial. A lot of work must have gone into it.
Thank you for your time and generosity, I have learned a lot.
I was wondering if you could possibly provide maybe a cheat sheet document, or even and image on the diagrams you used for finding these points on the horizon and vanishing points that you used in this tutorial as a guide to look at when doing this. I tried to draw them but I do not do to well with drawing . Thank you.
Using PSCC. After I select an object and create a transform bounding box and move the central point out of the box, the Shift+Option (Mac) does not move the object along the vanishing lines. Instead, this command moves the center point back into the center of the bounding box. I am running Mavericks 10.9…has the command changed on this OS version?
Barry,
Did you move the pivot point (the little cross hair looking icon)? If you didn’t then it will not scale with the vanishing point. The command is the same on Mavericks.
This was a brilliant introduction to understanding perspective in composites. This maybe a little off-topic but how would you make the two women look more grounded ? To me, they seem to be floating a bit unless you have another tutorial that you can recommend me to look at that would address my question.
You can add contact shadows and also do a bit of color matching as well.
I have a presentation on composition that explains this further:
https://www.youtube.com/watch?v=pcNdnh_wQrI
Wow, this was an awesome tutorial that was exactly what I needed. Really clear and useful.
Thank you, Katherine!
Very amazing tutorial and I am thinking further about the course of composite. However my concern is regarding the use of photos with white background as they are hard to identify their vanishing point when matched to a background.
Is there an easier method than the you used for the car?
I’m so glad I found your page and channel!
Thank you for the exceptional quality and the time taken. I’ll be browsing for hours I’m sure 🙂
Thank you, Daniela!
First of all thanks for sharing this !! I learn a lot. Finally i understand why my composition doesn’t look right. But wanna learn more on this please make some more tuts on this waiting waiting …. 🙂
And i recently subscribe ur channel and love all of them but I thing this was the base of all thanks again !!
Great tutorial, thank you.
Is there someplace to get the image that you have on layer with the vanishing point, horizon point and guide lines?