Using Transformations - Adobe Photoshop

You used the Free Transformation tool in this chapter’s first lesson to rotate and align the image. When creating seamless tiles, or patterns, you inevitably have to use the transformations to prepare your image at some point. Before you go into an example, let me go over the different types of transformations.

Types of Transformations

You can apply five types of transformations. The Free Transform option allows
you to switch between any of the five types continuously. Since a transformation interpolates a rasterized image, the image loses some info each time you apply a transformation. Therefore, it is better to apply several transformations at once than to apply each of those same transformations in a separate pass.

Hows the difference between each of the different transformations types.

Transformation Types

Transformation Types

Changing Perspective

One of the most common usages for the transformation tools is to tweak the perspective of an image.

A nice picture of a ship, but you want to sharpen the angle of the ship to the camera.

nice picture of a ship

To emphasize the length of the ship, alter the image as if the ship were at a more severe angle to the camera. Can you guess which of the transform tools to use? If you didn’t guess Perspective, then you have to go to jail; do not pass go.

  1. Duplicate your background image by pressing Command+J(Win:Ctrl+J).
  2. Go to Edit >Transform > Perspective. You should see the handles for the transformation box around your layer. If not,
    press Command+0(Win:Ctrl+0) to bring the handles within view. (That key combination is a zero.)
  3. Click-drag the upper-left corner handle upward and watch as it transforms your layer interactively.
  4. Using the perspective transformation.

    Using the perspective transformation

  5. When you have the look you want, do one of these three things:
    • Double-click within the transform bounding box.
    • Press Return(Win:Enter).
    • Click the checked box on the upper-right corner of the tool options bar to commit the transformation.
  6. Reposition the layer with the Move tool for better framing. This is necessary because the transformation took much of the image beyond the canvas borders. In this case I reduced the layer’s opacity so I could match the size and position of the original ship.
  7. Bring back the opacity of the transformed ship and blend in to the background. You can see the dramatic difference.
  8. The before and after images.

    before and after images


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