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longtalker
Joined: 07 Mar 2009
Posts: 10
Location: Romania
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 Posted: Mon Aug 31, 2009 10:49 am Post subject: Decrease canvas size by removing a selection from the middle |
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Is it possible to reduce canvas size by having a set width or height removed from the center of the image and having the remaining sides collapse in together?
For example, say I have a 800x600 image, and I want to remove a 800x100 horizontal slice from the middle, thus reducing the image dimensions to 800x500.
Is there a (reasonably short) way of doing something like this in Photoshop (CS4)?
Thanks |
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hawkeye
Joined: 14 May 2009
Posts: 2377
Location: Mesa, Az
OS: Windows 7 Pro 64 bit
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| Posted: Mon Aug 31, 2009 11:41 am Post subject: |
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Reducing the canvas size to a smaller dimension than the image will result in something being cut, top, bottom, sides, etc., which the Canvas dialog allows you to choose. There is no way to choose the center.
It sounds more like there is some effect you are trying to acheive, rather than simply reducing the canvas size. Perhaps you can explain... |
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longtalker
Joined: 07 Mar 2009
Posts: 10
Location: Romania
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| Posted: Mon Aug 31, 2009 12:19 pm Post subject: |
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Hi, thanks for your reply. All I'm trying to do is get rid of the middle part of a picture and have the remaining parts (top&bottom, or left&right) come together rather than having a white rectangle (the deleted part) between them. You can visualize that if you think of an image made up of three colored rectangles (red, yellow, blue) placed one on top of the other. In this case, I would want the middle (yellow) rectangle gone, and have the top and bottom one (red, blue) collapse and become "neighbors" as it were.
This may sound odd from a Photoshop point of view, but it's a situation that is often encountered. I can liken it to another scenario, in word processing: say you have a bulleted list with three elements:
* Monday
* Tuesday
* Wednesday
If you delete the middle element (Tuesday), then you don't usually end up with a gap between Monday and Wednesday: instead, you have Wednesday follow right after Monday. See what I mean? I understand this might not be as simple to do in PS as it is in Word, but I think there should be a reasonably easy way (other than the obvious way of creating a new image with a different size and manually moving the two outsides together, etc) |
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hawkeye
Joined: 14 May 2009
Posts: 2377
Location: Mesa, Az
OS: Windows 7 Pro 64 bit
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| Posted: Mon Aug 31, 2009 12:48 pm Post subject: |
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Select the top element, copy-paste to new layer.
Do the same with the bottom element that you wish to retain.
Use the move tool on either of those layers to push them together without a gap.
Delete the background layer, then flatten the image.
Crop as need be to get rid of the extra canvas that will remain. |
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longtalker
Joined: 07 Mar 2009
Posts: 10
Location: Romania
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| Posted: Mon Aug 31, 2009 1:03 pm Post subject: |
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THanks.. that's the way I've been doing it, I was just hoping there's an easier way that I was somehow missing, such as an inverse Crop tool or something (i.e. selection is removed the way I've described, rather than everything else being removed) |
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