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what is the best way to straighten a photo please?
I have some (very boring) photos of garage doors to print for a van,
and I need to square them up, so there isnt any border around them (no problem there)and the door fits the page. most are only slightly of square so it shouldnt be difficult, whats the best way to do this in photoshop CS3?Peter
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8 Replies
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In Photoshop CS2 I use Filter/Distort/Lens correction for the whole image.
Also, edit/transform/warp for selected areas.
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I’m not a regular user of PS however I think you use the skew or distort command (as below) then use the crop tool to get the finished image to the right size/proportion.
To scale, rotate, skew, distort, apply perspective, or warp
Select what you want to transform. Select all command – see the marching ants.
Choose Edit > Transform > Scale, Rotate, Skew, Distort, Perspective, or Warp.Do one or more of the following:
If you chose Scale, drag a handle on the bounding box. Press Shift as you drag a corner handle to scale proportionately. When positioned over a handle, the pointer becomes a double arrow.
If you chose Rotate, move the pointer outside the bounding border (it becomes a curved, two-sided arrow), and then drag. Press Shift to constrain the rotation to 15° increments.
If you chose Skew, drag a side handle to slant the bounding box.
If you chose Distort, drag a corner handle to stretch the bounding box.
If you chose Perspective, drag a corner handle to apply perspective to the bounding box.When you finish, do one of the following:
Press Enter (Windows) or Return (Mac OS), click the Commit button in the options bar, or double-click inside the transformation marquee.
To cancel the transformation, press Esc or click the Cancel button in the options bar. -
PhotoPaint X4 has a photo straightening tool which can incorporate a crop from there you would need perspective distortion, I would be surprised if Photoshop didn’t have something similar.
alan D -
As Steve has said
I would go for edit/transform/distort.
its an older version I have mind you.
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Thanks all, I used a combination of the above, I’m a bit new to PS and still trying to get my worn out grey matter around its functionality 😀
Peter
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In Photoshop, if you find a line that should be horizontal on you garage door, then go to the eye dropper tool and open the ruler tool that is in the same location. Click on the left hand end of the horizontal line on your photo, then while holing down the left mouse button drag to the right hand end of the your horizontal line and then let go the left mouse button, then go to Image in the top tool bar, then rotate canvas, click on Arbitrary it will automaticaly straighten your image. Then crop your image etc
I hope this helps.
Kev -
Thanks Kevin, I also found a similar tool in the lens correction section.
Peter
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Hi , sorry if you have already found a solution but heres another and by far the most useful
if perspective is your problem, choose the crop tool, you should see a perspective check box on the top bar of the screem, check this and pull the corners of the selection to fit the perspective of the doors, once accepted it will pull the perspective straight.
hope this helps
Dave
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