If it is at 90 degrees or 0 degrees, then your job is done, the image is straight. This is the angle of the line we just drew. Notice in the Options bar, there will be an ‘A’ value listed.
RULER TOOL TRONG PHOTOSHOP CS5 FREE
The longer this line is, the more accurate it will be, so feel free to draw a line along the entire length of the border. We are attempting to show Photoshop a line that should be straight in the final image. It’s important that this line matches the border as it appears in the image. Press and drag a line along the edge of one of the vertical borders.Since the vertical borders are the only ones that are complete, we will draw our line along one of those borders. Things like the border around this image are ideal, but structures in the image like doors and patterns that you believe are at right angles will work as well. When we draw this line, we’re looking for something that will be at a right angle in the final image. With the Ruler tool active, we need to press and drag a line in the image. To activate the Ruler tool, Click and hold the Eyedropper tool ( ), and then select the Ruler tool.This also gives us an easy way to straighten it. In this image, it’s easy to tell that it is slightly crooked because of the border around the edge. With the Ruler tool, we can map out the angle that the image is currently at, and then we can rotate the image using that method. Straightening an image is fairly straightforward in Photoshop. We can also easily introduce an unintended angle when scanning images as well. Most of the time a small rotation isn’t that noticeable, but it’s possible that a rotation could cause problems for other corrections, especially if the tool you’re using requires things to be lined up properly, like the rectangular marquee. It’s difficult to create a perfectly straight photo when taking a picture.
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