batch resizing problem

I have problem in a seemingly simple task of batch cropping/resizing of images. All original images are in JPG format, aspect ratio of 3/2 (DSLR ratio), but with different resolutions. For this question assume two sizes of 2464×1648 pixels and 3072×2048 pixels and landscape orientation.

I want to send these images a photo lab for printing. For 6×4 prints the lab requirement is 300 ppi.

For 300 ppi I create an action and set the crop tool to 1800×1200 pixels at 300ppi and save the result as PSD file.

Here is the problem. If I use a 3072×2048 image to create my action, then when cropping 2464×1648 images it simply resizes the canvas size to 1800×1200 with a small image inside the plain canvas. Then if I use a 2464×1648 image to create my action when cropping the 3072×2048 images the result will be a small portion of the image cropped to 1800×1200.

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

On 6/8/06 7:04 PM, Hitchkas commented:

text snipped <<<

Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

Can you not separate the images so that one batch can simple be resized while the other batch is cropped then resized?

inez wrote:

On 6/8/06 7:04 PM, Hitchkas commented:

text snipped <<<

Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

Can you not separate the images so that one batch can simple be resized while the other batch is cropped then resized?

That’s possible but I have to create one action for each size, then I have to separate them in multiple folders based on each size. For few images this will be OK, but with hundreds of picture it will be very time consuming. I was looking for an automated method.

It will be great if there was a resizing option for batch processing similar to what Irafanview has. You set the long side to a fixed size and keep the aspect ratio the same, ignoring slight variations. I don’t want to use another program to resize since I think PhotoShop’s interpolation algorithms are better.

I have problem in a seemingly simple task of batch cropping/resizing of images. All original images are in JPG format, aspect ratio of 3/2 (DSLR ratio), but with different resolutions. For this question assume two sizes of 2464×1648 pixels and 3072×2048 pixels and landscape orientation.

I want to send these images a photo lab for printing. For 6×4 prints the lab requirement is 300 ppi.

For 300 ppi I create an action and set the crop tool to 1800×1200 pixels at 300ppi and save the result as PSD file.

Here is the problem. If I use a 3072×2048 image to create my action, then when cropping 2464×1648 images it simply resizes the canvas size to 1800×1200 with a small image inside the plain canvas. Then if I use a 2464×1648 image to create my action when cropping the 3072×2048 images the result will be a small portion of the image cropped to 1800×1200.

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

Thanks in advance

I have problem in a seemingly simple task of batch cropping/resizing of images. All original images are in JPG format, aspect ratio of 3/2 (DSLR ratio), but with different resolutions. For this question assume two sizes of 2464×1648 pixels and 3072×2048 pixels and landscape orientation.

I want to send these images a photo lab for printing. For 6×4 prints the lab requirement is 300 ppi.

For 300 ppi I create an action and set the crop tool to 1800×1200 pixels at 300ppi and save the result as PSD file.

Here is the problem. If I use a 3072×2048 image to create my action, then when cropping 2464×1648 images it simply resizes the canvas size to 1800×1200 with a small image inside the plain canvas. Then if I use a 2464×1648 image to create my action when cropping the 3072×2048 images the result will be a small portion of the image cropped to 1800×1200.

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

Hitchkas wrote:

I have problem in a seemingly simple task of batch cropping/resizing of images. All original images are in JPG format, aspect ratio of 3/2 (DSLR ratio), but with different resolutions. For this question assume two sizes of 2464×1648 pixels and 3072×2048 pixels and landscape orientation.

I want to send these images a photo lab for printing. For 6×4 prints the lab requirement is 300 ppi.

For 300 ppi I create an action and set the crop tool to 1800×1200 pixels at 300ppi and save the result as PSD file.

Here is the problem. If I use a 3072×2048 image to create my action, then when cropping 2464×1648 images it simply resizes the canvas size to 1800×1200 with a small image inside the plain canvas. Then if I use a 2464×1648 image to create my action when cropping the 3072×2048 images the result will be a small portion of the image cropped to 1800×1200.

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

The solution is simple. Use ‘Image Size’ to resize the images to a 1800 pixels on the longest size. Then use ‘Canvas Size’ to crop away those few extra pixels. This can be done in one action.

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

The solution is simple. Use ‘Image Size’ to resize the images to a 1800 pixels on the longest size. Then use ‘Canvas Size’ to crop away those few extra pixels. This can be done in one action.

Nobody pays attention to me:( LOL!

I basically already said that, except that he needs to use the shortest dimension, the height, in image size and then use canvas size to crop the width. If he uses 1800px his 2646X2048 goes below 4" in height.

inez wrote:

I tried also to simply resize my images to 1800×1200 at 300 ppi, but this time the problem is that 3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height) and action fails to execute.
Sorry for the lengthy story, but how do you batch process images with different sizes to an exact size of say 1800×1200/300 ppi for print labs ignoring a slight deviation like cropping out the extra 4 pixels in previous example?

The solution is simple. Use ‘Image Size’ to resize the images to a 1800 pixels on the longest size. Then use ‘Canvas Size’ to crop away those few extra pixels. This can be done in one action.

Nobody pays attention to me:( LOL!

I basically already said that, except that he needs to use the shortest dimension, the height, in image size and then use canvas size to crop the width. If he uses 1800px his 2646X2048 goes below 4" in height.

Maybe we didn’t pay attention because it’s wrong? He doesn’t have 2646×2048 pixels images, only 3072×2048 and 2646×1648 pixels.
Read his post: "3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height)." That means he only needs to crop those extra 4 pixels after scaling to 1800 pixels at the longest size.

Maybe we didn’t pay attention because it’s wrong? He doesn’t have 2646×2048 pixels images, only 3072×2048 and 2646×1648 pixels.
Read his post: "3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height)." That means he only needs to crop those extra 4 pixels after scaling to 1800 pixels at the longest size.

I admit, I miss typed when my eyes roamed. But an 2646×1648 image doesn’t actually scale proportionally to 1800X1204, but to 1800X1121 (3.737" in height). That’s the case in my PS anyway. Maybe my PS is faulty?
inez

On 6/9/06 12:05 PM, inez commented:

Maybe we didn’t pay attention because it’s wrong? He doesn’t have 2646×2048 pixels images, only 3072×2048 and 2646×1648 pixels.
Read his post: "3072×2048 images will scale to 1800×1200/300 ppi, but 2646×1648 images will scale to 1800×1204/300 (an additional 4 pixels to the height)." That means he only needs to crop those extra 4 pixels after scaling to 1800 pixels at the longest size.

I admit, I miss typed when my eyes roamed. But an 2646×1648 image doesn’t actually scale proportionally to 1800X1204, but to 1800X1121 (3.737" in height). That’s the case in my PS anyway. Maybe my PS is faulty?
inez

I get it: his first paragraph says: 2464×1648
But I went by his 5th paragraph 2646×1648

So, yes, use the longest size if the top dimensions are correct:)