Fixed size Cropping: how to do?

V
Posted By
vikenk
Mar 3, 2006
Views
460
Replies
4
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Closed
Hello,

I’m using Photoshop 7, and I need to make exact size crops of several images. For some background: I’m creating an HTML table comparing different camera lenses. I’ve taken pictures of a test target at maximim resolution (3000×2000) and am cropping 250px-by-250px samples from the center of the chart for comparison.

When using the crop tool, I can put the 250 x 250 H/W dimesion in the crop toolbar, but that doesn’t fix the size of the cropping box, it just resamples any size crop down (or up) to 250×250.

What I’d like to do is fix the crop size to 250 x 250 without having to do it manually every time. Right now, what I do is: Make the image 100%, open the ruler (set to px) scroll to the upper-left of the image where the ruler is set to zero and draw a 250×250 box and drag the box around. That works, but is a hassle to me. Furthermore, I can’t always get 250×250, sometimes I go over or under. A couple of pixels here or there don’t make a huge difference, but I’l like it all to be 250×250.

How can I fix the crop size without any resampling? Thanks in advance.

—
Viken K.
http://www.vikenk.com
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I
iehsmith
Mar 3, 2006
On 3/3/06 10:26 AM, commented:

Hello,

I’m using Photoshop 7, and I need to make exact size crops of several images. For some background: I’m creating an HTML table comparing different camera lenses. I’ve taken pictures of a test target at maximim resolution (3000×2000) and am cropping 250px-by-250px samples from the center of the chart for comparison.

When using the crop tool, I can put the 250 x 250 H/W dimesion in the crop toolbar, but that doesn’t fix the size of the cropping box, it just resamples any size crop down (or up) to 250×250.

What I’d like to do is fix the crop size to 250 x 250 without having to do it manually every time. Right now, what I do is: Make the image 100%, open the ruler (set to px) scroll to the upper-left of the image where the ruler is set to zero and draw a 250×250 box and drag the box around. That works, but is a hassle to me. Furthermore, I can’t always get 250×250, sometimes I go over or under. A couple of pixels here or there don’t make a huge difference, but I’l like it all to be 250×250.
How can I fix the crop size without any resampling? Thanks in advance.

Do you mean that you don’t want to resize at all, just cropping to a small portion of the image? If so, you could use the rectagle marquis tool, Style> Fixed, enter your 250×250, then just click inside your image and place the marquis over the area you want to use then Image>Crop.

If you want to crop to the same area of all the photos and they’re all the same size/resolution, you could make this an Action to batch process them. Just make a new folder to save the new cropped images to first.

I’m still using PS 6.0.1, so you might have other options available.

inez
V
vikenk
Mar 3, 2006
Do you mean that you don’t want to resize at all, just cropping to a small portion of the image? If so, you could use the rectagle marquis tool, Style> Fixed, enter your 250×250, then just click inside your image and place the marquis over the area you want to use then Image>Crop.

Worked perfectly! Thanks. The end result should look like this:

http://www.vikenk.com/lens_test.htm

These images are resampled crops. I have to redo them to be an un-manipulated crop.

If you want to crop to the same area of all the photos and they’re all the same size/resolution, you could make this an Action to batch process them. Just make a new folder to save the new cropped images to first.

Unfortunately not all the images are perfectly the same size, they vary a bit, but I’ll still be cropping the same portion out. Otherwise, the batch would save me lots of time!

Thanks again!

—
Viken K.
http://www.vikenk.com
E
edjh
Mar 4, 2006
iehsmith wrote:
On 3/3/06 10:26 AM, commented:
/snip/

Do you mean that you don’t want to resize at all, just cropping to a small portion of the image? If so, you could use the rectagle marquis tool..

/snip/

Whenever I see someone refer to the marquis tool I picture shiny satin breeches and big feathered hats. You mean "Marquee." LOL.

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I
iehsmith
Mar 4, 2006
On 3/4/06 12:30 PM, edjh commented:

Whenever I see someone refer to the marquis tool I picture shiny satin breeches and big feathered hats. You mean "Marquee." LOL.

HA! I always make that mistake. Must be some weird association thing;) Next I’ll be caught referring to the bondage box in Illustrator. LOL

inez

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