Crop resolution 72 ppx

Hello
When i crop a picture to 1024 px 768 px 72 px (resolution) and "save for web and devices" after on the properties of the pictures on window details i get the info 96 ppp on the resolution, when i choose 72 px on the crop.
Can someone help me ?
Thanks
From Portugal.

Don't worry about it.
PPI is meaningless for images on the web.
All that matters is the pixel dimensions (width and height in pixels).

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Reducing resolution for web use

dear all,
i'm just learning some basic 2d (i work mainly in 3d) and am in the middle of reducing/cropping some of my images so that they fit neatly on a web page. i have a couple of questions:
1. when i reduce (resample) an image, in the resample dialogue there is no easy way to just reduce by a given multiplier (e.g. 0.5) and at the same time, see what the resulting size will be.
for example - i have an image that is 2592*1944 pixels. i would like to be able to enter a multiplier and see what the resulting resolution would be /before/ i commit to the new size. this is possible in a very old version of corel photopaint that i have and so my first question is can this be done in photoshop or do i have to resize elsewhere?
2. should i only reduce by certain multipliers or is any value ok? i searched and read a few posts on this but didn't find anything conclusive for reductions.
e.g. i have an image 2592 * 1944 and need to reduce to 600*450. i want the resampled image to look as good as it can. should i reduce by the nearest available mult and then crop the rest or is it safe to just crop straight to the required resolution (assuming that the aspect ratio remains the same)?
3. final question - if i use the crop tool and specify the resolution, i can scale the cropping area and whatever area i choose will be cropped to the required size. very good if the answer to question 2 is 'YES, you can reduce directly to required resolution'.
however, is it possible for the crop tool to work like this: i set my resolution for the crop tool. now i can see the cropping area on the image. the crop area is exactly the res that i specified and will crop the image without resampling?
hope that makes sense.
TIA

how did i miss that?!
thanks guys - that helps a lot.
in general though, would you say it's ok to reduce by any fraction or should i stick to halves/quaters/tenths etc.
also, any way to set a crop resolution (say 400 x 300) and then choose which part of the image you want to keep WITHOUT resampling - the crop tool seems to fix the aspect ratio which is great but will then resample the chosen area.

Compressor presets cropping video output - why?

Hi guys,
I've been using Final Cut Pro X for about a year now and was a heavy user of Final Cut Studio before that. I'd consider myself a fairly advanced user and i have a good understanding of workflows, encoding, etc. However, I am continually running into an extremely irritating issue when exporting video from Final Cut Pro X. I assume it isn't a bug, as it would be a pretty big one I'm sure would have been fixed by now. Wondering if I am just not understanding/missing something here:
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1. Via exporting 'HD 720P' from FCPX's 'share' button (I get the same cropping result if I export via any of Apple's 'HD' presets, custom variants of these, or using any of the SAME presets directly from Compressor).
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Hah! I think you just got onto something there. Check out this shot of the same file open in QTX and QT7:
So it appears to me like QTX (and QuickLook) actually crop the edges off the file. Note that VLC also plays the video at the correct size.
I just took a look at this with a colleague of mine who works on the video encoding platform behind our product and we identified/confirmed the following:
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h.264 mp4 files (optimised for web streaming), FFMPEG also reads the resolution correctly, resulting in a new, encoded file that has the correct frame resolution.
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Trevor.Dennis wrote:
John, are there already differences? I thought 13.1 was mainly about retina display support, but I guess there would also be other fixes released while they were at it.
Yes, definitely already differences. I sympathize with Photoshop instructors (online and offline).
The headline change was Retina support but that was also made available to non-Cloud versions.
Other Cloud-only changes in 13.1 are listed here
http://helpx.adobe.com/photoshop/using/whats-new.html
http://psd.tutsplus.com/articles/news/cs6_1/
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Does "cropping" a clip affect the max resolution it exports at?

This might be a silly question.
I have a project that's made up of a bunch of clips that were all shot in 1080p. I cropped one of them, by a little bit. When I export it, the whole movie appears in 720p. When I uploaded to YouTube, also, the max resolution was 720, not 1080.
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Thanks!!

Not tried it but could you make a 2.7k sequence and warp stabilise that, using stabilise only or stabilise and crop. Then add this sequence to the 1920x1080 sizing to suit.

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Picture this. You have a real photograph in front of you. Its dimensions are 7x5 inches, and you want to cut out of that photograph, a 4x4” square. You’re not bothered by the rest of the photograph, you’ll discard that, so you mark your 4” square on the photo at the place you want to keep, and with a pair of scissors, cut (crop) the photo accordingly.
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Using the “W x H x Resolution” option of the crop tool, I want to crop the image to 2100px x 2100px, maintaining the original image resolution of 240px/inch. No matter what settings I use in the crop tool toolbar, the crop tool insists on sizing the crop by assuming the full length of the shortest axis on my image. In this instance the vertical distance. If I initiate the crop, I do end up with a 2100px square image at 240px/inch, but the shortest original dimension (and hence pro-rate the image) has been rescaled and resized.
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Am I missing something here? I may not perform this particular operation very often in Photoshop, but I’m sure it worked the way I thought is should before!
Regards,
Steve

What I was expecting to see is the crop tool outline simply showing a square which represents 2100px a side at 240px/inch relative to the image I’m viewing. I would then drag the outline to the position where I wanted it, and then crop the image.
You'd better use the Marquee tool for this. Set the desired number of pixels in the options bar. Click and drag and finally Image > Crop.

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I am running PSE6 on an XP PC platform.
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After processing a batch of raw images in Camera Raw, highlighting them and clicking on Open Image to open the converted images in PSE, I sometimes find I cannot open the Crop Aspect Ratio selection drop-down box. Nor can I type in changes to Width, Height, and Resolution fields--I can, however change the values by using the sliders that appear when I mouseover the Width, Height or Resolution titles, but even that's limited--whatever is to the right of the decimal point remains unchanged.
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First try clicking the little arrow at the far left of the options bar and choosing reset tool. If that doesn't do it, quit the editor, then restart it while holding down ctrl+alt+shift. Keep holding the keys till you see a window asking if you want to delete the settings file. You do.

What value does CROP have in editor if you cannot define output document size and document resolution

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I don't comprehend this at all.
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You can make an action and use it as one step automation to achieve that on an initial selection.
Step by step instructions:
With the Elliptical Marquee Tool, make the desired selection on a image.
Open the Actions panel (Window > Actions (Alt+F9), from its menu at the top right or corresponding buttons at the bottom, choose New Action, and in the dialog that appears press the Record button.
From the Image menu, choose Crop.
From the Selection menu, choose Inverse (Ctrl+Shift+I)
Press the d key on your keyboard to reset the foreground/background color swatches.
Press Ctrl + Delete keys on your keyboard to fill with white.
From the Image menu, choose Image Size (Ctrl+Alt+I), make sure the Resample Image is checked, and in the Document Size section enter the desired dimensions and resolution and press OK.
In the Actions Panel press the Stop Recording button.
Now you can copy or drag the image to another image.
For the next image make the oval selection, go to the Actions panel, select the actions you created above, and press the play button. You can also create a keyboard shortcut in the action's property accessible by double clicking the action.
The creation of this action assumes that in the final image you will be composing oval images on white background without overlapping their rectangular bounding boxes. If you plan to overlap them then the action must be modified to make the image a transparent layer and delete outside the oval instead of filling with white.

Cropping to a Fixed Resolution

Is it possible in Aperture to use the crop tool and have resulting images with the same resolution (resampling)? I ask because I often do slight crops to straighten or for composition and do not wish to send designers a mixed bag of sizes. If I could do this in Aperture it would cut my Photoshop work dramatically. Thanks

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How can I resize an image without losing resolution or using the crop tool? I am using Photoshop Elements 13 on a PC.

How can I resize an image without losing resolution or using the crop tool? I am using Photoshop Elements 13 on a PC.

Hi Peru Bob,
I've tried two images, the results were:
Image 1
Jpg, original file size 923KB, dimensions 848px x 279px.
After resizing to 848px x 180px with 72dpi, the file size decreased to 164KB.
Image 2
Jpg, original file size 809KB, dimensions 1200px x 1800px.
After resizing to 668px x 722px with 72dpi, the file size decreased to 307KB.
So, there seems to be a fair file size loss - is this to be expected?

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http://helpx.adobe.com/photoshop/using/crop-straighten-photos.html

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When I zoom in on a 4 megapixel image the screen shows an image with acceptable resolution. If I crop to an image the size of the one showing in the unconstrained mode the image resolution drops dramatically. How can I crop and not loose so much resolution? I've been able to do much better with editing in Elements and then importing the image back into iphoto.
ibook G4 Mac OS X (10.3.3)

ih2006:
Welcome to the Apple Discussions. Even though the dpi has changed from what it came out of the camera to 72, the resolution has not changed. It's just a different way of expressing the total number of pixels and the size to be printed. It's just math.
A 1600 x 1200 image at 300 dpi will print a 1600/300" x 1200/300" print (you do the math). That same image at 72 dpi will produce a print that is 300/72 times larger. The number of pixels, 1600 x 1200 hasn't changed, just the size to be printed. iPhoto changes it to 72. I've checked files with Photoshop, imported to iPhoto, exported and rechecked and the dpi has dropped whereas the print size has increased.

Cropped pfd defaults to resolution of 9999

I have Photoshop CS3 and Windows XP. I used to crop pfds and the resolution stayed at the normal 72 default. Now when I crop the image shrinks very small and when I check in image size the resolution goes to 9999. But in preferences the resolution is still 72.
What is going on?

I assume you mean PDF file not PFD.
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H, W and resolution, input boxes.
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Ed

Resolution problems when i crop

hello! i do a lot of photo editing and am temporarily using a laptop and a trial version of cs4 (i normally use cs2). i often square crop my images but have noticed that when i crop an image in cs4 on this laptop (running windows 7), my resolution automatically changes from 72 to 1 (for a jpeg image) or from 240 to 1 (if i shot in RAW)... i have never had this problem before.
i already checked to make sure i hadn't accidentally set the resolution to 1 in the tool bar... i also tried cropping with the resampling box UNCHECKED but that didn't work either... resolution was still changed to 1...
please, please help!! i have an assignment due for my photography class and i have to fix all my old images and properly crop new ones...
thanks for reading this!

well, the thing is, i have been setting the same width and height for my square crops for over a year now... the resolution problem started when i started cropping on this laptop, as opposed to my home computer (which i cannot use now as i am temporarily in another country!)...
NOTE: my pictures come out of my camera as follows: pixel dimensions 4272 X 2848 and when i crop, i always use the smaller dimension (2848)...

Crop resolution 72 ppx

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