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Stretching bitmaps is all-of-a-sudden feathering parts? Help!


misterg

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Hi,

I'm not a photoshop newbie, although this post may well make me seem one, but i'm having a new and frustrating problem when stretching bitmaps in ps (cs5 extended, mac).

For many years, I've been able to stretch bitmaps with a simple, repeating style (eg. a single block of colour, some lines etc, nothing complex) whenever needed, with no problem. This I do by first selecting the part of the simple bitmap I wish to stretch with the marquee, then using scale (apple + t) to stretch it either horizontally and vertically. End result, the bitmap is extended, looks solid,sharp, all is good.

Lately, and consistently, i've discovered a fresh hell in that this no longer works. When I repeat the process above, all looks good, marquee, stretch... then the second I commit the transform, part of the bitmap beginning where I stretched from gains a feathered/opacity effect. No idea why, no idea at all. For years, solid, now it's gaining a feathered section highlighting where I made the transform.

Something must have changed (it's not the version of PS) in my settings, which i've hit or shortcut-ed by accident, can anyone shed some light?

The only way I can "fix" the process is by ensuring I only marquee the last 1 pixel strip (either horizontally or vertically) and stretching just that. This works fine, like it used to, but is time consuming and driving me insane. I cannot fathom why it's creating this weird feathered effect when I'm stretching a solid bitmap, when I know it didn't used to.

Please help someone, for my sanity!!

Attachment illustrates my problem.

All help greatly appreciated!!

G
 

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  • why-god-why.jpg
    why-god-why.jpg
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Aha! That advice solved it!

I recently shifted my image interpolation to Bicubic (best for reduction) within 'Image Size' as I was miniaturizing some photos. I didn't realise adjusting here was the same as adjusting my overall prefs. Switched back to Bicubic (best for smooth gradients) and the problem has been fixed!

Thanks!
 

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