Resolution After Croping

P
Posted By
Pedro
Jul 6, 2003
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463
Replies
3
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Closed
I am experimenting with PS7, as I am a newbie at the program.

I have scanned an entire photo at 150 dpi and the same whole photo at 300 dpi. When I crop the same image portion from the whole photo, the resolution of the cropped section plummets to 75 dpi, whether I’ve cropped from the 150 dpi photo or the 300 dpi photo.

Is there any way to crop an image and at the same time maintain the resolution in the smaller cropped image that was present in the "host" photo?

Thanks.

Pedro
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C
Chris
Jul 7, 2003
After you select the crop tool the toolbar at the top of the window will change allowing you to enter a resolution.

Pedro wrote:
I am experimenting with PS7, as I am a newbie at the program.
I have scanned an entire photo at 150 dpi and the same whole photo at 300 dpi. When I crop the same image portion from the whole photo, the resolution of the cropped section plummets to 75 dpi, whether I’ve cropped from the 150 dpi photo or the 300 dpi photo.

Is there any way to crop an image and at the same time maintain the resolution in the smaller cropped image that was present in the "host" photo?

Thanks.

Pedro
J
jrzyguy
Jul 7, 2003
chris is correct….but didnt meantion that you can just delete whatever dpi setting is there and it will leave your resolution alone (you dont have to put in the exact dpi…just delete what is in there)

jj

"Chris" wrote in message
After you select the crop tool the toolbar at the top of the window will change allowing you to enter a resolution.

Pedro wrote:
I am experimenting with PS7, as I am a newbie at the program.
I have scanned an entire photo at 150 dpi and the same whole photo at 300 dpi. When I crop the same image portion from the whole photo, the resolution of the cropped section plummets to 75 dpi, whether I’ve cropped from the 150 dpi photo or the 300 dpi photo.

Is there any way to crop an image and at the same time maintain the resolution in the smaller cropped image that was present in the "host" photo?

Thanks.

Pedro
J
JPS
Jul 11, 2003
In message ,
Pedro wrote:

I am experimenting with PS7, as I am a newbie at the program.

I have scanned an entire photo at 150 dpi and the same whole photo at 300 dpi. When I crop the same image portion from the whole photo, the resolution of the cropped section plummets to 75 dpi, whether I’ve cropped from the 150 dpi photo or the 300 dpi photo.

Is there any way to crop an image and at the same time maintain the resolution in the smaller cropped image that was present in the "host" photo?

The DPI is meaningless. All it is, is a directive to tell a program what size to print each pixel by default. If you explicitly tell the program what size to print your image at, the DPI (or PPI) means nothing. What matters is how many pixels you have. After the two crops, the amount of memory on the left side of the slash at the bottom of the photoshop window should be an appropriate portion of the original image, and the one you scanned at 300 PPI should be four times as large as the one you scanned at 150 PPI, both before and after the crops. If not, you have interpolation going on and may be losing detail and sharpness.
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