Precise cropping in Lightroom

Hello
Is it possible to get precise cropping in Lightroom such as 3:2 ratio 1800x1200 pixels at 300dpi?
This would make a 6x4inch print
Mike Engles

I'm not sure why Adobe opted for imprecise cropping only, but until they see fit to "tighten it up", XmpCrop is the only way I know to crop exactly.

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I want to create super-precise crop boxes. Can I create crop boxes from guides?

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I know that I can fine tune the margins in the Set Page Boxes window until the crop lines are perfectly aligned with the guides but that is very time-consuming and I was looking for a faster solution.

Thanks for the reply, Bill. I have already tried the snap to grid option. The problem with it is that the grid lines most likely will not be where my guide lines will be. Now if Acrobat Pro had a snap to guides option then that would help, but it doesn't, as far as I'm aware.

Custom Cropping in Lightroom

I want to crop my images to 840 px by 473 px but when I enter those numbers for a custom crop in Lightroom it defaults to 16x9. How can I change this?
I've tried ratios close to 840x473 and multiples of that combination but nothing allows me to get that exact ratio. I need this ratio for formatting on my website. Any help would be appreciated.

In Lightroom, you don't crop to pixel dimensions, you crop to aspect ratio and then EXPORT to pixel dimensions as near as possible at that aspect. If you want to crop to pixel dimensions you will have to use another program, do a lot of draging the crop corners around, or use Rob Cole's XMP CROP plugin.
840X473 is less than one pixel width of aspect ratio off from 16X9 so I can't see why it would cause a problem. Lightroom tries to HELP by rounding the aspect to one in its list and this is really only a display bug/glitch. It actually rounds when the numbers are even further off than this. I agree that if you input 840X473 that Lightroom should just leave the aspect alone. This behavior causes problems/bugs to show up in other places with the crop tool. See posts #30 and above in this link.
http://forums.adobe.com/message/6218903#6218903

What kind of interpolation when cropping in Lightroom???

We worry about using the correct interpolation when resizing photos in Photoshop, but what happens when we crop in Lightroom? How do we even know what interpolation is being used?
I keep standard interpolation in PS set to bicubic sharper because I usually downsize or crop. but have no idea what happens in Lightroom.
Anyone know the answer?

Sinc (Lanczos) is the theoretically-best interpolation approach, but by far the most computationally expensive.
> Ditto what Jao says -- you really don't need to resample your image when sending to a lab (certainly never downsize it!)
This is bad advice. If you send a 100MP image to a lab and ask them to print it 4x6, you're going to get the softest 4x6 ever. Down sampling to final size and sharpening there is the best approach.
Some good information at the bottom here:
http://www.drycreekphoto.com/icc/using_printer_profiles.htm
Good stuff on interpolation here:
http://www.all-in-one.ee/~dersch/interpolator/interpolator.html
Why LR uses linear gamma here:
http://www.all-in-one.ee/~dersch/gamma/gamma.html

Cropping in Lightroom and ACR+edit in Photoshop

Using the latest versions of Photoshop CC and Lightroom. After editing a raw file, including cropping, in either Lightroom or ACR and then
proceeding to Photoshop, the adjustments-exposure, white balance etc. are imported but not the crop! Very strange. Help would be appreciated in
solving this problem. Thanks in advance.

Thanks for the quick reply Graeme. That is correct. I have tested the issue with a representative from NIK/Google. The "selective tool" was causing the problem. I was dealing with other problems too, like the "exposure" slider in ACR was jumping back all the time. I have been following another discussion concerning this (http://forums.adobe.com/message/5806682#5806682). I have not tried it yet, but there they have had success tackling the problem by changing the Country/Region.
Regards,
Kamiel

Problem cropping in Lightroom

In a folder full of tiff or photoshop files, I have the odd file or two for which I just can't turn off a seemingly randomly assigned crop setting. Worse, it's a setting I never consciously made in the first place. If I unlock or change Aspect, I can move the crop corners or sides temporarily, but once I let go of the mouse, they snap back to the original center position and Aspect locks again.
The same files in viewed Bridge look as they should.
I'm using Windows 64 Vista with the equivalent Lightroom version, just updated.
I'm not one of those to shout, "Bug" at every problem, but I really can't figure out what to do about this situation.
Any advice appreciated. Thanks, MB

I think what happened is tht when you use syncronize the crop rate is fixed and you cannot modify it. It's a glitch of LR 2.

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I frequently want to crop an image to a new aspect ratio, equivalent to the Canvas Size feature of desktop Photoshop.
Does PS Touch allow precise canvas size adjustment?
The Resize Image option lets me key in the exact smaller dimension, but now I'm using the Crop tool to adjust the other, and it can be awkward to drag to the exact pixel size. I'd like to be able to type in this value instead of relying on finger pressure.

Yes; when you go to use the Crop command, there should be a little arrow pointing upward on the left hand side of the crop options. Tap it to specify an exact width, height, or X and Y coordinates.
(This tip can apply to other tools as well, like the Transform command (5th icon from the upper right). Be on the lookout for the same arrow icon when using the other tools.)

When I try to crop using lightroom 5 the image vanishes in a grey out.

Has anyone had this problem. When I try to crop an image in the devlope module in Lightroom 5 the image vanishes and I am left with a grey out. I tried uninstalling and reinstalling but still have the problem. Do I have a setting wrong?

I think the first thing to check for is a corrupt monitor profile
How do I change my monitor profile to check whether it’s corrupted? - The Lightroom Queen

Can't hold a crop in lightroom 2

I recently switched from pc to mac. In the develop mode I sync the images and crop. Then when I go back to resize or make the ratio smaller it changes to the previous crop. How can I correct this so on future images I don't have to go over to the side and reselct the crop I need?

I can't duplicate this, Richard. That is to say, it does apply the creator info for all selected pictures in grid view. LR2.1 on XP

Cropping in Lightroom 5

Is there a tool in Lightroom5 to crop a photo to a circular or oval shape?

By definition, Bitmapped files (JPEG, TIFF, PSD, etc) are alway rectangular.
It is possible to lay a circular mask in either Black or White over the file by using a:
1. Post Crop Vignette with a zero feather setting, a low midpoint, and a high roundness setting.
2. Applying a Radial Filter with a zero Feather and an extremely large exposure adjustment.
The second is not always fool-proof depending upon the relative brightness or darkness of parts of the image.

Precision crop

I usially click on the crop tool and drag the area until I am happy before I apply changes. But sometimes I need to type the value for width and height of the crop area for better accuracy (drag doesn't always work well enough). Is it possible to type the values instead of dragging?

Use Rectangular Marquee in Fixed Size mode to numerically specify a region then command Image > Crop.
Notice that was "command Image > Crop" and not "Crop Tool".
That'll discard the cropped-away pixels, though, and not merely hide them.
If you have CS6 and want to keep and hide these pixels then activate Crop Tool after defining the marquee; Ps will snap the crop boundary to the marquee and you can disable the option to delete pixels.

Lightroom 5.6 Cropping on new 5K iMac very slow

Upgraded to new 27" 5K iMac with 4.0GHz Quad-core Intel Core i7, AMD Radeon R9 M295X 4GB GDDR5 and 32GB 1600MHz DDR3 SDRAM. Processing photos from last night's football game and when cropping photos Lightroom is terribly slow. Any suggestions.

Upgraded to new 27" 5K iMac with 4.0GHz Quad-core Intel Core i7, AMD Radeon R9 M295X 4GB GDDR5 and 32GB 1600MHz DDR3 SDRAM. Processing photos from last night's football game and when cropping photos Lightroom is terribly slow. Any suggestions.

Lightroom and cropping - how accurate is it?

Has anyone noticed the in accuracy of the cropping in Lightroom (beta 4.1)????
I'm not sure if its just me but if you crop an image in lightroom, for example, custom size, 8 x 6 (I assume its inches), and then export the image to a given resolution (my labs require 304 dpi), then open in Photoshop and check the image size, its actually slightly larger than 8 x 6 inches (more like 8.2 x 6.15 inches) !!!!???
Is this a know problem that will be sorted in v1 or thinking about it, should the export resolution be 300 dpi thus the extra 4 dpi might be causing the oversized crops??? or am I just missing something simple here!?
BTW, Lightroom rocks - 2 weeks to go, can't wait...
Stewart

Stewart,
I hope that you won't be insulted if I suggest that your screen resolution set in Photoshop may be wrong. I think it defaults to 72 ppi but I have to set mine to 80 ppi to get the correct print size.
Quick way to check is call up the rulers on to an image and compare them to a real ruler held up to the screen.
Roger

Cropping question in Lightroom

Hello,
After cropping in lightroom, say a 5x7 Ill open it in Photoshop. I just noticed when I check the image size it isnt 5x7. Ive tried this a bunch of times now, and can never get the image sizes to match from Lightroom to Photoshop
Thanks MG

I have the same problem as reported above. In the past I could simply annotate in the Export window the size. Currently it does not convert from WxH@72dpi to WxH@300dpi. I have checked & unchecked "Don't Enlarge" etc. Must be a simple setting but I am stuck. I want standard print size dimensions 8x10 at 300dpi vice 33x72 inches @72. Must be a simple switch I inadvertently must have changed something. Any ideas?

Sending photos to Lightroom over network - what works, what doesn't?

This weekend, my wife and I are helping with a photo shoot (member's photo directory for a local non-profit).
Here is what we've done in the past with Picasa and what we're trying to duplicate:
Photographer takes photos, which are saved onto his Windows laptop via Firewire in the studio.
SyncBack SE running on two networked Windows PCs make copies of the photos from the laptop onto the local hard drives.
Picasa automatically detected the newly-taken photos with its "Watch Folder" feature.
My wife and I do some cropping, adjusting, etc, so that the photos can be quickly reviewed and selected by the customer.
We exported the edited photos into folders in JPEG format.
The photographer takes the JPEGs and uses them to guide his re-edits of the raw photos with PhotoShop.
Ouch! Re-editing wastes a TON of time!
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... or is this not the tool for the job?

Per documentation Lr is not a network operation and per several posts in this forum is stated as such. I stopped using Picasa when Lr came out for the public. With PsCS5 another tool comes up as Bridge which I have not used. I have only read the basic Adobe description. Though I do know several Pro Photographers do use Bridge with multiple users even in different states. I do not see why you are editing jpegs for Proofs and as samples for a Photographer to re-edit in a different format, no matter which software you use. My workflow uses RAW files and an Import as DNG along with make a second copy to another folder in Lr and archive of RAW files after a double check of files and I only Export as jpeg after processing. But I only use 1 Lr Catalog and not a network solution.
My way of course is just my opinion of how my service works. Does anyone here also use Adobe Bridge?

Precise cropping in Lightroom

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