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Question

Changing the perspective of a floor PS CS2

Forum|Forum|7 years ago
January 22, 2019
5 replies
3603 views

I am trying to apply tiles onto a picture of a bathroom. How can I do a 3D rotation to align and match the angle of the tile in such a way that the aspect ratio of the tile (height and width) are preserved?

Any help is appreciated. I am using PS CS2.

Thanks

This topic has been closed for replies.

Trevor.Dennis

Community Expert

I jumped on this thread only to find my Lazy Nezumi Vanishing Lines preset was broken, so I have spent most of today trying to isolate the problem, (without success) so I have had to resort to the Bert Monroy method of producing perspective guides.

Which would make the floor. So I seem to be getting the same result as as Sema, which is fair enough IMHO.

davescm

Community Expert

Hi

OK , this time back to Vanishing point but doing what I should have done in the first place.

1. Put a plane on the back wall using the corner, ceiling and tiles as a guide to lay down the corner points.
2. Ctrl click on the right handle and drag out a perpendicular plane on the right wall

3. Ctrl click on the bottom handle and drag out the floor plane.

Those steps ensure the guides match the perspective of the image

Now just drop in the floor as earlier

Lesson to self - If I'm going to post here, do it right !

Dave

G

G_Hoffmann

Inspiring

So far I can't see any advice, how to adjust the scales in x- and y-direction. Or did I miss something?

In order to place scene square tiles onto a floor, we need a square piece of scene floor, and then

the image of this square piece. The suggested method is not accurate but sufficient.

We start by finding two objects of eqal x- and y-length. I've taken 8 small tiles in the upper part,

which delivers the edges ab and cb.

Then we go down, applying the direction of the third vanishing point approximately, from a to e and

from c to f. The lines V1e and V2f contain a square eDfg on the floor.

Through D and g we get the diagonal of the square. Now we can draw a square of any size, for

instance Dkhj, using an arbitrary point h on the diagonal.

Note: knowledge of the third vanishing point wasn't required in my previous construction. Here we

use it roughly.

This solution seems to deliver a rather distorted square, but so far I think my solution is generally

correct. If not, let's do it better.

Best regards --Gernot Hoffmann

Norman Sanders

Legend

A wooden floor in a Men’s Rest Room. That certainly callls for perspective correction.

D Fosse

Community Expert

davescm

Community Expert

I was tempted to add a wet look but thought better of it

Dave

D Fosse

Community Expert

Yes, vanishing point is probably better.

You need to match the lighting afterwards. The room is pretty dark, so either lighten that or darken the floor, with some falloff towards the wall.

davescm

Community Expert

You're right Dag - getting the perspective is just step 1

Dave

D Fosse

Community Expert

Yep, very good

davescm

Community Expert

Hi

If I remember correctly, CS2 had the vanishing point filter, in fact it came in with CS2

Open the image in vanishing point, draw a plane then paste your tiled image and use the marquee tool in VP to drag it onto the plane

Use Vanishing Point in Photoshop

Dave

ShalzisAuthor

Participating Frequently

Thank you for replying to my query. I will try that out. This is exactly what I need

D Fosse

Community Expert

I doubt that anyone here still remembers what you could and couldn't do in CS2. But now you'd turn it into a Smart Object and Transform > Distort. Just place the corners manually.

You could do each tile separately, or put them together first and then convert that to Smart Object.

Transform > Perspective tends to stretch in one direction unless you push and pull at the same time, and you'd also need to rotate. So that quickly gets unpractical. Distort is much more flexible.

ShalzisAuthor

Participating Frequently

Thanks for your reply. Let me try this out

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