Some images are just not shot straight. Sometimes the tilting is not really obvious, maybe only a few degrees, but is just enough to make the image look “off” and be visually distracting. Here is a simple way to accurately determine how much an image needs to be rotated and how to accomplish it quickly:
1. From your stock images, open and duplicate the image that looks like it is tilted slightly in the clockwise direction. It is subtle but it kind of makes you want to rotate your head to the right to straighten up the image.
2. Locate a linear element in the image that you think should be horizontal; the shoreline will do nicely! In fact it is the linear elements like these that are supposed to be horizontal that provide your mind with the visual cues that the orientation of the image is not quite right.
3. Determine the amount of rotation necessary. Select the Ruler tool. It is in the same tool subset as the Eyedropper tools. Press the I key until the Ruler appears. Also press F8 to activate the Info palette.
4. With the Ruler tool active, click the left side of the shoreline. Now drag the Ruler to the right side of the shoreline.
5. View the Info palette. On the right side an angle of –1.5º is recorded. This indicates a clockwise rotation of 1.5 degrees. This will require a 1.5º counterclockwise rotation to square this image up.
6. To rotate this image, choose Image ➢Rotate Canvas ➢Arbitrary. The Rotate Canvas dialog box appears.
7. The value 1.5º should be automatically placed in the Angle field (if it does not…type it in); click the ºCCW button. Then press Return/Enter to apply the rotation. Your image will rotate 1.5º counterclockwise. Because Photoshop can work with only rectangular pixels, it can also work with only rectangular images. So when an image like this one is rotated, Photoshop must add some pixels in the corners to fill in the blank areas created by the rotation.
8. To remove these extra pixels, you simply need to crop the image. Select the Crop tool (C). Specify the dimensions and/or linear resolution you would like for your final image in the Options palette as you did in the previous exercise. Simply click and drag the Crop tool within the image portion of the current file to define the final image you want. You will by necessity lose a portion of the image. Press Return/Enter to apply the crop.
9. All this rotating and cropping has undoubtedly resulted in some resampling and softening of your image. So you might want to finish up this process by applying some sharpening.
1. From your stock images, open and duplicate the image that looks like it is tilted slightly in the clockwise direction. It is subtle but it kind of makes you want to rotate your head to the right to straighten up the image.
2. Locate a linear element in the image that you think should be horizontal; the shoreline will do nicely! In fact it is the linear elements like these that are supposed to be horizontal that provide your mind with the visual cues that the orientation of the image is not quite right.
3. Determine the amount of rotation necessary. Select the Ruler tool. It is in the same tool subset as the Eyedropper tools. Press the I key until the Ruler appears. Also press F8 to activate the Info palette.
4. With the Ruler tool active, click the left side of the shoreline. Now drag the Ruler to the right side of the shoreline.
5. View the Info palette. On the right side an angle of –1.5º is recorded. This indicates a clockwise rotation of 1.5 degrees. This will require a 1.5º counterclockwise rotation to square this image up.
6. To rotate this image, choose Image ➢Rotate Canvas ➢Arbitrary. The Rotate Canvas dialog box appears.
7. The value 1.5º should be automatically placed in the Angle field (if it does not…type it in); click the ºCCW button. Then press Return/Enter to apply the rotation. Your image will rotate 1.5º counterclockwise. Because Photoshop can work with only rectangular pixels, it can also work with only rectangular images. So when an image like this one is rotated, Photoshop must add some pixels in the corners to fill in the blank areas created by the rotation.
8. To remove these extra pixels, you simply need to crop the image. Select the Crop tool (C). Specify the dimensions and/or linear resolution you would like for your final image in the Options palette as you did in the previous exercise. Simply click and drag the Crop tool within the image portion of the current file to define the final image you want. You will by necessity lose a portion of the image. Press Return/Enter to apply the crop.
9. All this rotating and cropping has undoubtedly resulted in some resampling and softening of your image. So you might want to finish up this process by applying some sharpening.
Straightening
![Straightening]()
Reviewed by Pepen2710
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