Aspect ratio and cropping

I need to crop some portraits to 5x7" and 6x8". Im a bit confused as to the presets for the crop tool. I presume that the numbers refer to aspect ratio rather than actual units of measurement? if so, which aspect ratio should I use?
Thanks in advance

All the presets are listed as ratios.
So on the preset labeled "4 x 5 (8 x 10)" Aperture is simply trying to help since 8x10 is a standard print size, but is also a 4x5 ratio. Make sense? The entry "2 x 3 (4 x 6)" means something similar-- 4x6" is a standard print size. Use the "3 x 4" preset for your 6x8 photos.
Message was edited by: phosgraphis

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Preset aspect ratios and cropping

Is there any difference between the 4 x 3 (book) crop and and the 4 x 3 (DVD) crop?
I have been working in Final Cut and importing cropped photos from iPhoto as stills. Just wondering if both crop presets are the the same or if they're different to accommodate specific print and video requirements -- such as resolution (dpi) or pixel ratio.
Just curious. Thanks.

Hi there,
I believe the big difference seems to be the ability to use the 4 x 3 (book) in Portrait constrain, while 4 x 3 (DVD) does not offer that option.
I don't think there is any difference other than the Portrait option...
Rick
iMac G5 iSight 20" - 30G iPOD in Slimming Black - Mac OS X (10.4.7) - HP Pav 15" WS and Toshiba Sat 17" WS LP's - Canon 20D & A620

Cropping in PS while Maintaining Aspect Ratio and DPI

I shoot the Nikon D3, RAW (.NEF) and convert through ACR. Through ACR, the DPI is set to 300 DPI; the DPI caries over to Photoshop.
I crop in Photoshop using the crop tool (not marquee). To maintain 2:3 or 3:2 aspect ratios, the crop tool requires the width and height in inches or pixels. If specifying resolution, the document size will crop to that DPI, if not; the DPI is derived from pixel dimensions.
In my case, I’ve been cropping at 2in by 3in (or reverse for orientation). The resulting “real” image pixel dimensions are still very high (correct to crop size) but the document size reported in PS is 2in by 3in with a wildly high DPI. By changing the resolution back to 300 DPI through Photoshop, the document size returns to normal. Therefore the picture has not lost anything; it appears to only be a function of the Meta data. The pixel dimensions remain constant while the document size and DPI change.
It apears that you canot specify an aspect ratio via the crop tool without defining it in inches or cm. You can do it with the marquee tool but the marquee tool sucks for cropping. You can however crop in ACR with the crop tool by merely specifying the aspect ratio (not in inches or cm). In summary, the PS crop tool is based in inches or cm while the ACR crop tool is simply aspect ratio.
What I can do to crop in PS while maintaining aspect ratio and defined DPI. Is there a work-around, magic trick, or something else I can do to fool the PS crop tool into an aspect ratio not based in inches or cm?

Just to summarize:
Setting a dimensioned ratio (e.g., 2 in by 3 in for Width and Height) in the Crop tool without filling in a Resolution value yields a crop with the desired aspect ratio, and without any resampling.
There is no way to specify a ratio with the crop tool, specifically, as the OP has requested, though in a future version perhaps specifying simple numbers there without any units might be a way Adobe could facilitate this. It would be a nice addition and with little downside.
I guess what I don't understand, though, is why the OP cares about the "high" resulting dpi value? It's just a number.
Expanding on this, the Resolution is nothing but a metadata value that can be changed at will (e.g., through Image - Image Size... - uncheck Resample) at any time in the future. There is ALWAYS a Resolution value associated with the image, both before and after the crop (though the crop tool may end up changing it; so what?). In short, the Resolution is just an arbitrary figure until such time as the user wants to use the image for a purpose (e.g. printing).
Always think in terms of pixel dimensions (number of pixels horizontally and vertically) while editing, then think about dpi right before publishing. It's hard to go wrong this way.
-Noel

How to keep original aspect ratio when cropping in Camera Raw?

How to keep original aspect ratio when cropping in Camera Raw? Cant figure it out! With shift, the aspect ratio is 1:1. But I didnt set it to 1:1 (I checked "normal").

The Shift key works once you’ve set your crop ratio. DSLRs would typically do 2:3 and others sometimes do 3:4.

What is aspect ratio and how can you change it?

Please refer to my other post for more information on these photos. The photos I am referring to are the ones that appear blank in the edit screen.
When I try to export these photos to facebook using the exporter, it says that IPhoto can only deal with photos with an aspect ratio of 3:1 or lower, and that the photos selected have a greater aspect ratio. What is aspect ratio and if possible, how do you change it? This may be directly linked to my other problem with the same pics.

I'm having the same trouble. Zapplications will upload only 1920x1920 photos. With iPhoto I can't get past the automatic ratio of 1920x1440!!! There MUST be some way to customize photo size on iPhoto!! Please help!! I've tried cropping the photo to a square and still can't get past this ratio thing.

Pixel Aspect Ratio and ciphering type of footage-CS6

CS6- updated 12\18\13 V-11.03
Hi All,
A few questions about:
Pixel Aspect Ratio and ciphering type of footage. Bare with me as I touch on two different aspects of what I feel are related:
1. Setting up a Comp-
Having AE decide on the correct footage being used- Via >Import footage,.(to Folder) then drag it on, or into the 'make comp icon' where AE is supposed to do a 'best guess' for the comp settings. Be it square pix or otherwise. What are the second value in brackets ? See pic
2. Interpolation-
When using two diff footage sources- If using two different source footages in a comp. Is this where I should interplolate my footage to match the existing footage and the comp settings (If I have choosen NOT to pre-comp that secondary footage?)
3. Seperating fields-
How come footage that a camera manufacturer claims to be shooting in Progressive 30 or 24p is showing up as interlaced in my comp's CP? The manual to the cam says 30p or 24p or 60i The footage was shot at 30p (for sure)
Here is a screen grab of AE's 'best guess' of that footage, showing it with an UPPER field render; indicative of HD Interlaced footage and then in the inerpolate settings - 'kinda confirming it.
Now for the way out- Render:
4. If that is in fact Interlaced and I then want to reduce the size of that 1920 footage to 66% size... Do I need to do anything in particular at this point?
For some reason I am getting an error on my end when trying to export as an AVI and reducing size to 1280
5. Is this from the Field render of interlaced challenge?
I ended up with a couple of errors and then aborted the whole file and re-imported to start over with this error. Which happend again after a redoux
So I sent it over to Prem Pro to export those MTS Files as a movie and noted AGAIN the reference to Interlaced video. "upper and lower" Prem Pro was able to use the same MTS files and export a working movie. (so those files were not corrupt BTW) Yet Note PP's output reference to that footage again as Interlaced would be...
Thanks for any clarity on those "5" questions... NC

Thanks for the details Rick.
Thanks for the insight on #1
Ref #2, You should never change the interpretation of Pixel aspect ratio on footage unless you know for a certainty that it is wrong. For example, open Photoshop or Illustrator and create a new document that is 720 X 480 pixels and AE will always interpret the image as rectangular pixels because that is a standard rectangular pixel frame size.
Unless you specifically created the image in Photoshop with rectangular pixels it is square pixels so the interpretation must be changed to avoid distortion.
--Did you mean to write:
Unless you specifically created the image in Photoshop with SQUARE pixels using a rectangle layout? I am not trying to bust your blz here, I am trying to understand the unknown. (for me)
So it may very well be AE mis-guessing the footage and the Upper first is a mistake on AE's part and I need to test it to find out? On that note...
Ref#3, Separating fields must be done right. Some 1080P footage is interpreted as having fields. This may be incorrect and if there is a question you MUST test the footage. Test the footage by making sure that the fields are being separated
How do I make sure the fields are being seperated? Does the window as in pic two from the top of my post confirm that or is there another test?
Then I do the following:
then selecting the footage in the project panel and choosing Create Composition from Selection, then opening the Composition settings, doubling the frame rate and stepping through the footage a frame at a time. If the footage is really interlaced then each of the frames will be different. (IE: 29.94 to 59.94fps) OK
If the field order is reversed then motion will be in the right direction then reverse, then go back to the right direction. ---I did not understand? Are you referring to Upper and Lower reverse? Direction, as in fwd and back in Time line? Sorry unlclear on my end...
Oh and HFR footage? HFR? High frame rate??
One last thing, Do all cameras shoot anamorphic, or could they as AE is showing my MTS files; are Square? (1.00) Pic #1
@Dave- You -
At 1080, a lot of footage is interlaced, and evidently your camera made interlaced footage
Me- How do you know? because of the 2nd pic and upper field first indication?
You-Even if you know for a fact that it was shot 30p, the camera captures the entire frame... but it records it as two fields. They give it a fancy name: Progressive Segmented Frame.
Me- Is this typical false advertisement of the sales divison of brands like not telling you what CMOS or CCD is in a cam just slapping HD 1080p on the side of the box?
You-AE will treat it as an entire frame if you interpret it as having a field order of None.
Me- Won't that be a problem mis leading AE on an interpret?
Thanks Gents for the precise details.
Best
NC

How do I control aspect ratio and pixel dimension in iMovie 10

When you created a new movie in iMovie 9 the program would ask if you wanted 4:3 or 16:9 aspect ratio and when you saved the movie it would ask about the size of the file and pixel dimensions. How do I controll these in iMovie 10?

I think they screwed up - but I have solved the problem by deleting it and reinstalling version 9.0.9 which you can get from the support at http://www.apple.com/uk/support/mac-apps/imovie/
Frankly I don't see the point of Theatre and I don't use iCloud so reverting back to a version that actually works seemed a good option!

What is the aspect ratio and fps for video in Connect 9?

I'm trying to find any definitive details on the aspect ratio and fps supported by Connect 9. It is well documented for 8 that it was 640x480 at 20 fps. Is that the same for 9? Or has that improved?

The supported resolution and frame rates for video in the Video pod have not changed with Connect 9.

Captivate videos - aspect ratio and skin

1. When I import video into captivate, it correctly keeps the same width and height of the source video IF I do not use the haloSkin. If I use the haloSkin (which is always visible and creates a frame around the video), the video itself shrinks to put the skin around it, but it also loses its aspect ratio and becomes squished vertically. There's no easy way to adjust the video so it uses the proper aspect ratio or even width and height without manually eyeballing it. Am I missing something?
2. Are the video skins customizable? If I wanted to do something simple like change the haloSkin to be colored black instead of white, is that possible?
Thanks,
Keith

1) The haloSkin subtracts 20 px from the width and 50 px from the height of event videos, which is not only counter-intuitive but obnoxious because it does indeed mess up the aspect ratio of your video as you noted. So a 640x480 video object with the skin applied has a video area of 620x430. Fortunately the 20 and 50 are absolute, and don't change with the size of the video object. This means that you can just add 20 to the width and 50 to the height of the video object to get your video back to the correct size. (a video object with dimensions 660x530 and the haloSkin applied has a video area of 640x480)
2) I'm unaware of any way to edit the skins.

Aspect ratio and render line issue

When I overwrite the video from the source (top left) window to the timeline, it is changing the aspect ratio and a red 'render' line is appearing on the time line.
The video is now zoomed in and pixelated.
I have not had this issue while editing with my other files and the settings seem to be correct. Am I missing something super obvious?

The PPro tutorial list in message #3 http://forums.adobe.com/message/2276578 may help, with more help in message #5
Look for the NEW ITEM information on page 5

Aspect Ratio and Pixel Aspect Ratio

I am importing P2 footage and wondering what my sequence settings should be? As in Aspect Ratio and Pixel Aspect Ratio would need to be? Do I need to ask the DOP what settings on the P2 have been used when filming?

If you have FCP 6 then when you drop a clip into the timeline it will ask you if you want to configure the sequence to match...just click YES.
But you should know what format they shot. Find that out then choose the Easy Setup that matches, and make a new sequence. Or let FCP 6 and 7 do that for you, like I mentioned.
Shane

FCPX DVD of 4:3 Aspect Ratio Project Cropped on Widescreen TV

I have imported some older standard video clips (640X480) into Final Cut Pro X. When I burn a DVD of a project based on those clips, I have a problem playing the DVD on a widescreen TV. Instead of displaying the correct 4:3 aspect ratio, the video fills the screen, cropping some of the image. However, the DVD plays properly when viewed via my Mac Pro. I never had this problem using the same clips in iMovie projects. In iMovie I could set the project properties to “Fit in Frame” rather than “Crop” and the resulting DVD would play the proper 4:3 aspect ratio on a widescreen TV, with black spacers on the left and right of the video image. Unfortunately Apple phone support has not been able to resolve this problem. Any suggestions?

The Video Properties indicate NTSC SD format. However, I noticed that that gives me 720X480 resolution. Perhaps that's the problem.
OK, I just experimented and when I choose "Other" under video properties format, then I get the correct 640X480 resolution. Let me try another DVD burn with this change, and report back whether that corrects the issue. Thanks for pointing me to double check that.

Changing pixel aspect ratio during cropping (LR3.2)

When I crop sometimes the pixel aspect ratio changes here. I.e. the pic get stretched in horizontal or vertical way/or compressed. Any body seeing this also? After some time it does change to normal, but it makes cropping rather difficult when in a hurry.

I'm not sure I understand your problem, but I think what bothers you is the technique that has been in place in LR2 already for switching between landscape and potrait format of the crop, which in LR3 can be acomplished by the X keyboard shortcut.
Moving your mouse horizontally or vertically on a locked aspect ratio, the format will change from portrait to landscape or vice versa. To enlarge or diminish the size of the crop, you have to move the mouse diagonally.
Beat Gossweiler
Switzerland

Unwanted default to 'constrain aspect ratio' of crops

Lightroom 2.6 Mac.
Recently I've been annoyed that when I come to crop images the program defaults to 'constrain aspect ratio' which I don't usually want. It's easy enough to press the 'a' key toggle to unset this but when I come to crop the next image it usually (but not always) resets to constrain again.
This is a new problem and I can't think of any obvious reason or way to fix it. Any ideas?

In the develop module, I made sure the constrain aspect ratio was unlocked and then double-clicked on the words next to the lock to get the menu of choices, I chose "original" which has kept the crop free to choose crops with no constraint.

Setting Aspect Ratio when cropping to A3

Hey folks being new to Lightroom 5.6 I'm probably doing something stupid and I am sure there is an easy solution; I just don't know what it is..
I have 23 RAW images in my LR Catalogue that I wish to crop, but I also know that I will be saving them as A3 JPGS at 300ppi. So the first thing I did was go into the Print module and select my Canon Pixma Pro printer so that I can then select a paper size of A3. In the print module, each image then displays A3 on the left hand side of the main preview window. So good job, that bit is successful.
So now I need to crop the images. I had previously tried cropping them to A4 and therefore had typed 8.27x11.69 into the Custom Aspect Ratio setting (yes I know we're talking inches here.... LOL). Well I then reset all the images so that their Aspect Ratio is set to "As Shot" and when I select done, the little crop box in the previews along the bottom of the screen disappears.... Still with me? Oh I hope so
So now the images are back to their original size as if they were straight off the camera, I selected all 23 images and pressed 'R' to enter the crop function. Under the Aspect Ratio, I selected "Enter Custom" and tried entering both 297x420 (mm) and also 11.7x16.5 (inches). On entering each of these ratios, whenever I select <OK>, the Ratio always reverts back to 8.27x11.69, as in A4, which was a custom ratio in the first place!!!!
Any help on how I can set the Ratio correctly for A3 so that i can actually start doing some cropping would be greatly appreciated.
Many thanks....
Lewis

Sean what a wombat!!!! (Me that is, not you..... LOL)
Of course, A3 is two sheets of A4, That would explain why Lightroom kept showing 8.27x11.69.
Many thanks for answering what is really common sense when one thinks about it. Sorry to have wasted peoples time, but thanks once again.
Lewis

Aspect ratio and cropping

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