CS4: change document DPI, keep pixel size, change cm's

As the title says, I am looking for a way to change the DPI of a document, but by default photoshop changes the pixels, and keeps the centimeters.
However, I want the centimeters to change, and not the pixels, when changing the dpi.
Is this possible, and if so, how?

Sweet!
Thanks!
Kinda weird it is now re-rendering the smart filters, because the pixels havent changed, but I guess thats standard procedure with resizing.
Thanks a bunch!

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If I'm copying text and/or vector elements from Indesign to Photoshop how come their pixel sizes change even though I opened the same sized document and my indesign file is a web file?

If I'm copying text and/or vector elements from Indesign to Photoshop how come their pixel sizes change even though I opened the same sized document and my indesign file is a web file?

>my indesign file is a web file
Pardon?
Or do you mean that, when you created a new document, you choose Web as intent maybe?

How do I change the pixel size of my photos?

Hello,
Please give me step by step instructions on how to change the pixel size of my photos from the time I log in.
Thank you.

There are basically two ways.
Image>Image Size... This will adjust the quality of the image, allowing you to adjust the pixel dimensions and keep the full image.
In the tool bar on left side of screen 5th icon down looks like a sliding picture frame. That is the crop tool, that will adjust the pixel size of a document by removing a portion of the image, allowing you to get rid of portions of the image you do not want.
There are some other ways to accomplish the above, but these are the basics that everyone needs to know. I recommend playing with these tools on a copy of an image, that way you won't be afraid of destroying an image.

How do I change pixel size?

How do I change pixel size?

Technically, you can't change the size of an image screen pixel. You can use resampling to change the number of pixels representing a current screen pixel (upsample means more pixels are used to represent a pixel, downsample means fewer).
You can change the size of an image pixel when it's printed by modifying the DPI (dots per inch). The bigger a pixel is, the fewer will fit in an inch, and vice versa.

Aperture changing pixel size after using Retouch/Repair/Clone tool?

I apologize if this is a stupid question - I'm new to using Aperture and have a rudimentary knowledge (at best) about the mechanics of Aperture.
I use the retouch tool on a portion of my photo, and the pixel size is reduced. I want to maintain the original 12.0megapixels. How do I work with the photo without changing the pixel size - or, how can I restore the orginal pixel size after editing the photo?
I've also cropped the photo, constraining the aspect ratio at 4:5.
Here is the file info before I start working with it:
And after using the retouch, this happens:

Frank Caggiano wrote:
Again this is not normal Aperture behavior, this doesn;t occur on my system. If you could post the screen shot of the adjustments it might help.
Sure - Here is a sample image. It is not a RAW file. It appears to be happening in every image in the library. I made a new library and it appears to be happening in the same pattern. I'm in Aperture, opened a photo which was imported directly into Aperture from camera.
Now, I'm going to crop to 4:5 ratio - from what I'm hearing, crop should not effect the 12.0 mp?
Notice how the MP is now 10.6?
Now, I'll apply auto enhance:
In this case, it looks like cropping does effect the pixel size. It's a different image from what I was using before.
Now, I use the retouch tool:
The MPs are now 9.7 - it keeps getting smaller and smaller!
When you crop, is it normal for the MPs to reduce?
Thanks so much for your help, I'm so frustrated.

Converting HD footage....need to change pixel size??? I need help!

I have someone who shot an event for me and has edited it. He edits on a PC using Vegas. He shot the event in HD. (I haven't gone HD yet and really know nothing about it.)
The problem is getting his HD footage created in Vegas into my FCP. He sent me a test .m2t clip. Neither QT nor FCP would recognize it. I downloaded Streamclip to convert it, but although Streamclip recognized it, it would not open it. It said "Unsupported Format."
So now he has figured out how to export the footage as QT, but again he sent a test clip and it is letterboxed. He said I need to change the pixel size to 1.2121.
How in the world do I change the pixel size?????? I'm open to all suggestions here. Thanks....Nancy
FCP 5.1.4
QT 7.1.5

Squished 4:3 = anamorphic. If you set your sequence to anamorphic (checkbox in Sequence Settings), it should display your clips properly and not insist on rendering. As others have noted, the rest of the sequence settings need to match you clip properties to avoid rendering or RT. You can check those properties with a control-click on the clip in the browser. There is an item there for checking the clip's technical properties. Make your sequence settings match those clip properties.

Why does the Pixel size of a jpeg change on a different computer?

I have a Mac OS X version 10.8.2 and Adobe Illustrator CS6.
When i save a file "for web" as a jpeg with a specific pixel size (320x50 for example) and then send it by email to someone, when they open it the dimensions somehow change.
Even though on my mac when i "get info" from the jpeg the dimensions are correct...
Please how can i stop this from happening?
Thanks!

DId you check clip to artboard when yo made the jpeg, did your image size shwo the correct dimensions.
If you are checking the file on your end and it is correct, then we need to know more about what is going on at the recipeient's end and how they are determining the size is wrong.

How do I change the pixel size when converting Word doc to .pdf?

When converting a Word Document to .pdf the file size is too large. How do I reduce the pixel size?

Typically a Word file's content is text which has not image association.
For whatever images might be in the Word file you'd want to adjust image resolution in an image editor prior to bringing the image into the Word file from which the PDF is made.
Be well...

Specific pixel size & dpi

Is it possible to set specific a combination of size (in pxls) and dpi? (in Illustrator CS5)
I need to create a .png document which is 16x16 px and 96dpi. The ability to chose the dpi size when setting up a new doc is very limited.
The only thing I've managed to do is create a 19x19 px 72dpi image, export it "for web" and then take it into photoshop and change the dpi to 96.
Is there a better, easier way? Also, we're considering upgrading to CS6 - are these features better in CS6?

Bidds, you are confusing DPI (Dots Per Inch) with PPI (Pixels Per Inch).
DPI is a technical specification of the output or input of hardware devices like a printer when you print, monitor when you display your digital image, scanner when you scan to make digital images, and etc. For printers DPI specifies the size of the ink drops when printing. For monitors, DPI specifies the monitor's resolution or in other words the size of the monitor's pixels. The term DPI for monitors came from the use of the CRT displays (those heavy monitors and TVs in the past with big tubes) which are no longer in production. These displays used guns to shoot light at the back of the screen with variable size dots and the term DPI perfectly described the monitor resolution used. Today there is only LCD displays on the market and thy use fixed cells which define the monitor resolution. Because the cells are fixed, for describing the resolution of LCD monitors, people mostly use the term Pixels Per Inch when they want to describe the size of monitors' pixels (cells). And this can cause some confusion that you are experiencing.
PPI is an attribute of a digital raster image. It specifies the output resolution of a raster image or in other words how large the pixels in the digital file will be output.
In Photoshop you are setting PPI not DPI.
Illustrator is a vector program. Vector graphics are resolution independent (have no pixels) and don't have PPI attributes. The PPI attributes are valid only when creating a raster image for outputting to devices like printers. Printers can print the pixels of your digital image with different size, and thus the image with the same number of pixels can be printed with different sizes. Monitors however don't use PPI settings of digital files to display images, instead they use the zoom level specified by the user using software, and by default the software programs (your browser for example) use 100% zoom which fits one image pixel to one monitor pixel. Because different monitors have monitor pixels (cells) with different sizes that cannot be changed on LCD screens, a digital image with the same number of pixels will be displayed at different size at the default 100% zoom on different monitors. Also have in mind that certain elements like software interfaces cannot be zoomed (changed) by the user.
So, the DPI mentioned in the link you provided does not mean PPI and it doesn't suggest in anyway that you should set PPI in Photoshop or any other program when creating images for the web. You got that wrong. It is only telling you that monitors with higher resolution (DPI) will display your image smaller so, you may want to make the image larger (with more pixels) and vice versa. The PPI settings in a raster image are simply ignored for display on monitors and thus on the web. That's why you don't have an option for PPI in Save for Web and devices. Whether an image with a certain number of pixels is 72, 96, 300, 1 million or 1 PPI (pixels per inch) this will not make any difference when displayed on the web.

Dreamwaver CS4 changes br to br / . Don't want that.

Hello,
if I type the tag Dreamweaver CS4 changed it to .
I am using this Doctype:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
So I need the . How can I change the behavior of Dreamweaver? I will still use this auto complete feature for other tags.
Is there a german Dreamwaver forum or just these general international forums?
Sorry for my English.
Kind regards,
Slodomir
For german readers:
Hallo,
wenn ich in Dreamweaver den Tag schreiben will, wird dieser automatisch in geändert.
Ich benutze aber folgenden Doctype:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
Also brauche ich für validen Code .
Wo kann ich dieses Verhallten ändern?
Ich möchte die automatische Korrektur jedoch nicht komplett ausschalten, sondern nur das Verhallten im Falle von und ähnlichen Tags ändern.
Gruß,
Slodomir

Hmmm.
I am using php to plug a head and a content part together.
The Doctype info is placed in the head.php.
So if I am editing the content.php Dreamweaver can't know the Doctype. This may be the problem.
I set "Presetting -> New Document -> Standardt-Document type" to HTML 4.01 Transitional. I don't know the exact English terms. I am not sure if this has an affect to an already existing document.
There can I check and set the Doctype of an already existing file?

Trouble keeping photo size when dragging and dropping photo into new document on elements 12

When trying to place an image into a new document in photoshop elements 12, I select all-copy-paste the image (or even drag it) over to the new doc created. However, when I do this - the image does not paste in at the same size. It typically shrinks down in size. Do I have to save the file, close out and then open the new doc and PLACE it in the document in order for it to keep size? There must be a better way to do this. Basically, how can I drag a photo that is 4x6 over to a new doc while keeping the size at 4x6. Any help would be much appreciated.

Whenever you combine two images, the resolution (ppi) of the bottom image is the resolution for everything. So if you take an image that is, say, 72 ppi, and paste that into an image at 300 ppi, the pasted object will shrink a lot. If you paste a high-res image into a low res image, the pasted object will enlarge a lot. The best way to get consistent results is to make sure that both images are at the same resolution (image>resize>image size) before you start.

Cropping while maintaining pixel size

Just got LR5 - wish it was as intuitive as PSE. A few initial questions:
1) When I crop in LR, I see no way to maintain the original pixel size as is easily done in PSE. Is it not possible?
2) When I select "Help" or press F1 in LR, I get LR Help, however the Search feature doesn't list LR as one of the Product selections in the dropdown box. I did register LR.
3) When you make an adjustment in LR, isn't there a way to Undo it? I thought you might be able to delete it from the history.
4) What is the best free source for learning LR, preferably video. I did see the ones by J. Kost on the Adobe TV website, but they weren't very detailed/complete.
Thanks.

Thanks dj. A couple of follow-ups on your responses then I'll mark it as correct:
1) So when I crop in PSE with the pixel size set at the size of the original, that is not really buying anything? I don't think it does a resample, just decreases the Document Size by a corresponding amount. There is no advantage as far as photo quality or anything else to keeping the pixel dimensions at the larger size (of the original)?
3) When you "undo" by double-clicking on the name of the slider, is this a true undo (i.e. the history item is deleted) or does it just create another history item that offsets the original adjustment?
And a couple of other items on recommended ways to do things:
- Would you recommend when making adjustments to show both the before and after in the panel to see how it is changed?
- Do you personally use shortcuts all the time? From watching videos from J. Kost and some other guy whose name I don't recall, they both seem obsessed, to the point that it is annoying, with using shortcut keys. There are so many of them that I don't see how it is a shortcut if you have to look them up.
Thanks dj.

Do you have any API to set document DPI.

Do you have any API to set document DPI.（I want to set 96DPI）

There is no API call to get or set a resolution of an object. The resulting
resolution of a raster object depends on two things:
- the number of pixels available in your raster object
- the scaling factor applied to the object - which means the size the
object is placed on on the PDF page)
If you have a 300x300 pixel raster image, and you scale it so that it
occupies 1x1" on a PDF page, you end up with a resolution of 300dpi. If you
place it as a 10x10" object, you end up with a resolution of 30dpi. There
are no API calls to get that effective resolution - you need to calculate
it. Also, there is no functionality to change the resolution of a raster
object: It's your responsibility to change the raster data, and then place
the modified object on the page with a different scaling factor.
Karl Heinz Kremer
PDF Acrobatics Without a Net
PDF Software Development, Training and More...
[email protected]
http://www.khkonsulting.com

Converting from 16:9 to 4:3 format, keeping font size

Hi,
I've got a presentation in Keynote 6.5 which I'd like to convert from 16:9 widescreen to 4:3 normal format.
When I change the document size accordingly, a lot of my text boxes and formatting 'jumps' all over the place... a 28pt font becomes 16pt, text boxes become smaller, etc. Bacially, the entire layout gets messed up.
I tried entering a manual 4:3 ratio, going from 1920x1080 to 1920x1440. Same thing. 28pt font now becomes larger. Layout again gets messed up.
All I'd like to to is keep the width, but add some pixels to the top and bottom. And keep text sizes the same. Is there a trick of how I could do that?
Thanks very much for your help!

Yes trick
This works perfectly:
1) Write down font sizes
2) Go from 1920x1080 to 1920x1440 (via "Custom Slide Size" instead of "Standard 4:3")
3) This will increase font size.
4) Redefine font sizes to what they were before resizing
Perfect fit.

How do I get the pixel size at 100% on Photoshop CS6 to match the pixel size that will appear on web

I have a 500px x 500px document open but the size that it looks on Photoshop at 100% does not match the size that is 500px on the web. How do I change it on Photoshop CS6 so that it will give me an accurate display of the pixel size?
(I don't know if this needs to be mentioned but I am working on the new macbook pro and just downloaded the new photoshop update for retina displays).
Thank you in advance!!!

Ask in teh PS forum. Generally, though, pixels are pixels. Perhaps you simply have things backwards - as far as I know by default Safari doubles image sizes on Retina devices, which can lead to such discrepancies. There's an option for that in the prefs.
Mylenium

CS4: change document DPI, keep pixel size, change cm's

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