DPI / PPI Problem

Hi,
I am hoping that someone can help me. I am a very novice user of illustrator, I only use it to design my own business leaflets/logo etc.
I am trying to upload a version of my logo to an accounting package website for use on invoices etc. The website insists on a file with the folowing attributes: no larger than 930x310 pixels and it MUST be 300dpi. The problem is that I cannot save the file in CS6 in DPI only in PPI. I have exported a png and also a jpg at 930x286 pixels and at 72dpi but the website continues to reject the file as being the wrong resolution..... can anyone offer any help or advice please?
Thanks in advance.

Matt,
Two things:
If they really mean that you need to keep the image at 930 pixels AND 300 PPI, you will have to scale it down to fit. 900 pixels correspond to 3 inches (900/300 = 3).
When going from 72 to 300 PPI, you should go from 930 to 3875 pixels, not 3879, so you may have a look to see whether your image is off the pixel grid.
Which exact requirements are you facing, if you can quote it here?
Edit: Hi Monika and John.

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Dpi / ppi distiller

Hey
I have a postscriptfile from InDesign that I want to make into a PDF by opening it in distiller. It contains highresolution photos, vectors and text. Usually I export to PDFs with 300 ppi. Different sources claim that the plotter can plot the accuracy of respectively 200, 300 or, maximum, 600 ppi
My question is; wath dpi(not ppi) should I choose in distillers adope pdf settings?
300? 2400? neither of those?
I have tried to look dpi/ppi up myself, but the information is so contradicting.
I hope someone can help me!

Probably not Distiller Server. If not, I recommend the Acrobat Windows
forum (it's Acrobat Distiller, and comes with Acrobat). There are
several places where dpi/ppi is mentioned in the Distiller settings,
so when you post be sure to say which one you mean.
Aandi Inston

How do I increase the resolution (DPI / PPI) of a scanned image on my iMac?

How do I increase the resolution of a scanned image. i currently am using a new All in one HP Photosmart 5512, I've installed all the proper drivers have a usp cable connecting the AIO to my iMac. I am running OS 10.7.4.
The HP Utility icon only allows me increase the file size (image quality) not the PPI/DPI
Thank you in advance for any help
This question was solved.
View Solution.

Hi,
You may change the Resolution using the HP Scan application as following:
Click HP Scan at the top and then click Preferences.
Within the launched windows select the required Resolution.
close the Preferences window and perform the scan.
Regards,
Shlomi
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

Strange PPI problem on export

I am running LR 1.2 and PS CS3, all latest updates. When I export a raw as a jpg at whatever ppi, 300, 240, etc. I see it in bridge at that ppi according to the metadata panel. And the thumbnail also shows ppi. Does not matter if constrain size is checked or not. When I open these files by double click into photoshop it shows 72 ppi.
I also discovered that I can move a file at one of the above ppi's to another folder and it immediately becomes 72 ppi.
I am not sure if the problem is in LR or in bridge, but it is clear something is not right. I cannot find any preferences or settings that might cause this, yet it is very consistent.
I can export a psd or tiff file and the ppi is correct. Say at 240 ppi, it shows as 240 in bridge and opens in PS at 240 as it should.
I know this is a really strange problem. Does anyone have an idea what might be going on? Thanks for any help.

Do you have "minimize metadata" checked in the export dialog? If so, uncheck it if you want the resolution tag to be written to jpegs. The resolution tag is useless but I know some clients like to see it for whatever reason.

Export PPI Problem

I'm setting up the LR export dialog to save jpeg's at 300ppi. When i (or more importantly, my client) opens them in any other program (ps cs3) the file properties are shown as 72ppi. Any idea why this is happening?

The fact is that PPI in the Export dialogue box has very little meaning, unless you are exporting to a printer system that will print only at a specific resolution.
When you open a file in Photoshop or a generic image viewer, you won't tend to see anything like 300 PPI because these apps will downsize images to fit the screen. However, if you zoom in to 100%, you will see the image in the monitor's native resolution, which typically falls around 72 PPI, hence the value you see in these apps, and hence the "72 PPI" value you see.
You want to pay attention to this value when you export for the Web, because HTML pays strict attention to resolution and pixel dimensions. Smaller monitors and graphics cards will tend to display 800X640 pixels and so, many web pages limit "large" displays to these dimensions. But the important thing is to get your dimensions in pixels right, not your PPI. A monitor, and a web page does not magically change its PPI because you specify it.
Different apps have different "default" PPI specifications, but the same thing applies -- they don't mean a lot unless you are preparing for a print job using a system that cares, in which case you need very detailed information from your print server as to their requirements.
Hope this helps,
Tony

Traditional app and high DPI screen problem, AGAIN!!

Unbelievable, the modern apps in windows 10 are discontinued and all problems with QHD display are back. All modern apps worked perfectly with high resolution display. If Microsoft can not handle QHD display so why force everyone to buy pre-installed windows on every machine? It is totally unacceptable, when I wanted to buy my Dell XPS 13(2015), both Dell and Microsoft website announce it as FULL COMPATIBLE with windows. I can not enjoy my LCD anymore, I can deal with third-party apps like Viber and Spotify with blurry font or really tiny icons but it is not acceptable for an official Microsoft product. I could buy a Macbook at this price!!!

Solved problem by,
Project Options > Debug > Enable the Visual Studio hosting process(disable it run app later enable it again)
fixes mine, i don't know why gives error like this but this solves my problem :)
Mustibh www.mustibh.tk
You should propose your post as the answer to end this thread.
Although when you altered the apps manifest did you clean and rebuild the app or clean and build the app to see if that corrected the issue?
La vida loca

How can I view resolution in DPI and not PPI?

Hi all,
Under Bridge>view content as list, I got a column of Resolution but the mesurement are ppi and not dpi and i need to see the dpi.
Anyone knows where can i set it?
thanks..
shlomit

Shlomit,
Strictly speaking, images do not have dpi (ever), only ppi. Images are made of pixels, not dots.
Dpi refers to prints.
However, in everyday use, the terms are loosely used interchangeably. They work out to exactly the same thing (same numbers), but ppi is the correct terminlogy.
See: http://www.scantips.com/basics01.html
DPI, PPI, SPI - What's in a name?
Printer ink dots and image pixels are very different concepts, but both use the term dpi in their own way (dots per inch).
Inkjet printer dpi ratings refer to printer ink dots (the four colors of ink), which is NOT AT ALL the same thing as image pixels. These are such different concepts that some people think we should reserve the term dpi for those inkjet ink dots, and reserve use of ppi only for image pixels. Not a bad plan, except that this view fails to recognize real world usage.
We may hear scanning resolution called spi (Samples Per Inch), and that is indeed what it is. We often hear image resolution called ppi (Pixels Per Inch), and that is indeed what it is. The spi and ppi terms are correct. But historical and common usage has always said dpi for image resolution, meaning pixels per inch, and fully interchangeable with ppi. Pixels are conceptually a kind of colored dot too, and resolution has always been called dpi, for years before we had inkjet printers. Dpi is just jargon perhaps, but it is a fact of life. Scanners and scanner ratings say dpi too, meaning pixels per inch (see dialog pictures here, here, here, and here). I habitually always say dpi myself, but I did try to switch to ppi in the book version.
We may use the term of our own preference, but we need to understand it both ways. Some photo editor programs have switched to saying ppi now, which has much to be said for it. But others have not switched, so insisting on conformity for others to only say ppi will necessarily encounter much frustration, because the real world simply isn't that way, and obviously is not ready to switch yet.
My point here is that we must understand it both ways, because we will see it both ways, often, in the real world.
It's easy, not a problem - the idea of printing digital images is always about pixels per inch, so when the context pertains to images instead of printers, all of these terms, spi, ppi, and dpi, are exactly the same equivalent concept - they all mean pixels per inch.
There is no problem understanding any use of dpi if you know the context. It always means the only thing it can possibly mean. If the context pertains to images or printing pixels, dpi means "pixels per inch". If the context pertains to inkjet printer ratings, dpi means "ink dots per inch". There is no other meaning possible. This should be clear and no big deal - the English language is full of multiple context definitions.

PPI/DPI setting... why do you want it?

I occasionally see requests for a PPI/DPI setting in Aperture and I just noticed a request for the same in the discussion about Adobe's Lightroom. I've posted comments about why a PPI/DPI setting is not needed, so I'm curious to see if maybe I'm missing something and I'd like to hear some feedback on the subject to help educate myself and others along the way. If my examples aren't exactly clear and seem confusing, perhaps someone else can explain what I'm saying in a much more elegant and easier understood way.
Here's a copy of my original post about the subject. I've added a few other examples for further clarification on pixel dimensions in relationship to output.
"An output ppi/dpi setting is not necessary and not relevant and here's why...
Remember, were talking about pixels here, not inches. Pixel dimensions are all that matter when it comes to sizes in digital photography.
So when you export an file from Aperture and want something different from the built-in presets, choose "Edit" from the "Export Preset" pop-up in the Export dialog box. You can then add your own settings based upon the output pixel dimensions you would like to have.
For instance, if you need an 8 x 10 inch image, then take whatever ppi/dpi you would like and times it by those dimensions. A common standard for the web is 72ppi, so your pixel dimensions for an 8 x 10 inch image will be 576 pixels x 720 pixels. A common standard for printing is 300dpi, so then an 8 x 10 inch image will need to be 2400 pixels x 3000 pixels.
Hence, say you have a 2400 pixel x 3000 pixel file, it would equal...
- 8 x 10 inches @ 300 ppi
- 33.333 x 41.667 inches @ 72ppi
- 4 x 5 inches @ 600ppi
- 10 x 12.5 inches @ 240ppi
- 2400 x 3000 inches @ 1ppi
All the above listed dimensions will give you the exact same perfect 8 x 10 inch print from a 300dpi printer. In fact, whatever the dpi of the printer, each of the above listed dimensions will print the same size on the same printer.
Say you gave your favorite printer a file that another image editing application (Photoshop perhaps) says is 33.333 x 41.667 inches @ 72dpi or any of the other combinations I listed above. Well most printers are set to print at 300dpi, so it would output perfectly as an 8 x 10 inch print. If the printer was set to print at 360dpi, then you would have a perfect 6.667 x 8.333 inch print.
Again, if you need an 8 x 10 inch print and the printer prints at 300dpi, then you need a 2400 x 3000 pixel file, if you need a 16 x 20 inch print, and the printer prints at 300dpi, then you need a 4800 x 6000 pixel file. If the printer prints a 240dpi, then an 8 x 10 inch print would need to be 1920 pixels x 2400 pixels and a 16 x 20 inch print would need to be 3840 pixels x 4800 pixels.
So, you see, it doesn't matter what you ppi/dpi is, it can be anything you want it to be. The only thing you need to know is what you want your pixel dimensions to be and choose those based upon what your output device is."
-Robert
PowerMac G5 Quad 2.5Ghz Mac OS X (10.4.3) 4.5GB RAM, Nvidia 7800 GT, 600GB RAID

Many of my clients have come to expect me to ftp
their images cropped, sized and sharpened for final
reproduction. They say they get much better results
when I handle all of that. I'm billing by the hour
for Photoshop type work, so it has become a profit
center, and I find that when left to the printer to
sharpen files, and oft times even the designer, they
do not do such a great job.
So, the ability to export at a given size and ppi is
a feature that does not seem at all unreasonable.
Telling my clients that their requests for files at
300ppi are unreasonable is unreasonable. It is not
befitting of a "professional" program to ask us
constantly to do workarounds for such commonly
expected capabilities. But it is, like so many
other "we know best" features, the Aperture way.
David,
I completely understand your point and I really do believe that it would be very simple to add a function like this to both Aperture and Lightroom. It's not like such a common setting is a complete mystery to software developers or anyone associated with the commercial arts industry. So, in light of the fact that Adobe, the king of the commercial art software industry leaves a simple common function such as this out of their application also, one has to ask, why?
I really don't believe for one second that Apple just dropped the ball and didn't include this function just because some believe they rushed a product to market. That just doesn't make any sense. How could you not include what is considered to be such an important function by so many out of an application. Nope, I don't buy it, I truly believe it's not include it on purpose.
So again, I ask why?
I keep having to rethink about what is just "photographic". Remove myself from the business of running my studio. Forget about what a photographer needs in order to run their business, I myself use Photoshop, Bridge, InDesign, Illustrator, GoLive, Quark, QuickBooks, many times a week if not everyday. I need all these things and much more in order to conduct business, but business isn't "photographic". Business is business.
Photoshop is an absolutely wonderful application, but it doesn't do "photography" very well. This is where both Aperture and Lightroom come in. They both ask, what is "photographic" and then only do that.
And again, I keep coming back to the fact that the ability to control DPI/PPI settings is a pre-press function only, it's not a photographic function, never has been and never will be. It maybe a common function that a photography studio may need, but it has absolutely nothing to do with photography. It's strictly pre-press.
With both these new products that Apple and Adobe have offered the photographer, I think they're really trying to drive home the point that they want us "Photographers" to really re-think how we've done things in the digital realm all these past years. They want to help us be "Photographers" not just businesspersons that need to run a multi-function commercial art business.
-Robert

Any way to change PPI when choosing save for web? Seems to force 72 ppi/dpi

I'm doing business cards for clients and submitting them to the printer in PDF which works out just fine. However when I submit a jpg as a proof (to show orientation) they complain that I should do a higher resolution for the proof. Illustrator seems to force 72 dpi/ppi (I realize these aren't exactly the same thing) when I use save for web. If I use "export" instead Illustrator doesn't seem to honor my crop dimensions and I get an export that bares no resemblence shape-wise to the original document. Why can't I just put 300 ppi in somewhere and get a higher res output? Thanks for your help!
Patrick

It was because the business cards had a particular curved die-cut and they wanted to know exactly where I wanted the cut. I sent them a 250pixel wide one and they bitched about it but did it. Yes I sent them a PDF for the printing and it turned out just fine... I just wanted a quick raster export with curved die-cut lines and couldn't do anything other than 72dpi apparently.
edit: Was also trying to send a client a quick jpg or png proof today and couldn't do anything bigger than 72 dpi (in save for web)... when I tried to export a png instead the cropping was way off. I remember crop-area-make in older versions of Illustrator but apparently they took that option out while still requiring it

How iget 100 dpi resolution image from hp 1005mep

How I get 100 dpi resolution image from hp1005mep
When I scan a document I always get 96dpi image

the resolution is 180 dpi.<<<</div>
At what image size? The dpi/ppi is meaningless unless you relate it to an image size. 180 dpi at 12X9 is the same as 360 at 6X4.5 and both are about 3.9MP.

Aperture 2 Export DPI Settings

I've wrote on this subject before, and I have re-read all the responses. I have yet to have a clear understanding of the "DPI" setting in the export dialog, and the default setting of 72 DPI. I am quite familiar with DPI, PPI, pixel count and dimensions, and resolution as it is determined by print size and pixel ratio. I'm still not clear on why Apple has this box here, and why they call it DPI.
I know DPI and PPI can and will be interchanged and being aware of context in this area is important. But what purpose does this DPI box serve? What is it doing in the export dialog box, and how does it effect you by changing the 72 DPI to lets say.....260 DPI?
Does anyone have a clear answer on this? I've been searching the entire manual and can't find anything that details this little box, its function, or reason it is there.

All the DPI setting does is tell the software that you open the file up in how to display rulers. It will have no effect on output quality what so ever.
Here is a blog post I wrote on the subject, I hope this helps.
http://www.bokehbrothers.com/2010/02/09/dpi-what-is-it-and-what-are-the-myths/
Bill Debevc
sshaphotos.com

DPI Scaling on Multi-Monitor (Windows 8, 8.1)

Hi, I have two monitors, one internal and one external, configuration goes as follows:
MacBook Pro (Retina, 15-inch, Mid 2012) Native display/monitor
2880x1800px
15.4"
221 PPI/DPI
Detected by Windows as: "Generic PnP Monitor"
LG D2343P External Monitor
1920x1080px
23"
96 PPI/DPI
Detected by Windows as: "LG 2343(Digital)"
I want to make both displays to work together with different "DPI Scaling" on Windows 8.1 Pro Preview so GUI elements render correctly scaled between them just at it happens on Apple OS X, I have read an excellent article which shows how to change and customize this settings but settings apply over all displays and there isn't a way to make windows know the DPI/PPI of the Retina monitor.
http://www.eightforums.com/tutorials/28310-dpi-scaling-size-change-displays-wind ows-8-1-a.html
How can I achive this?

Hello. I have the same setup - Windows 8.1 on Macbook Pro Retina and Thunderbolt display.
What I've noticed is that in the device manager both the Thunderbolt display and the Macbook screen show up as "Generic PnP Monitor," and I am wondering if these generic device drivers are not passing the correct resolution/screen size informations to the OS.
Maybe Apple can create customized drivers for each one of their monitors instead of using the generic driver?

TS3543 High DPI for Windows iTunes

So, let's say you prefer Windows for your own reasons, and you have a modern monitor with a high pixel count. So, you turn up the DPI to make things easier to read. And then you launch iTunes, because you're, despite preferring Windows on the desktop, happen to prefer iPhones and iPads.
The whole program is blurry unless you disable high DPI for that program, and even then the text becomes too large for the area it's bound to. The solution?
http://support.apple.com/kb/TS3543
You literally have to degrade the experience for the rest of the operating system in order to stop this bug from happening.
This is not a solution. This is Apple Developers saying "turn off that new innovative feature, you don't need it". How un-apple is that? There are no DPI-related problems in any of the OS X versions of iTunes and I can't imagine it would take a ton of effort to add in like native Windows programs have, especially when you consider the bottomless revenue Apple generates from the Windows iTunes community.
So I guess I'd like to submit a bug you could file under "developer attitude/mindset". I'm not sure that the behavior on this stance accurately represents Apple philosophy.

So I guess I'd like to submit a bug you could file under "developer attitude/mindset". I'm not sure that the behavior on this stance accurately represents Apple philosophy.
We're mostly a user-to-user community, so there's no guarantee that an Apple person will see your post. If you'd like to make sure an Apple person sees your comment, you could try the iTunes product feedback form:
http://www.apple.com/feedback/itunesapp.html

Basic question about PPI

does the measurement of ppi apply whether you are doing print or onscreen work? Thanks.

These terms DPI and PPI are basically used interchangeably. Purest will argue PPI Pixel Per Inch is a display term and DPI Dots Per inch is a printer thing. All that really matters is that you have to know how devices work.
Displays basically have a fixed resolution that is they are run at a single setting in the divice driver while setting can be changed they normally are not. LCD in particular are usually run at their native pixel resolution for the look best that way. LCD Native Pixels are something like 1600x1200. That the maximum Physical number of pixel the display can display. You could run the display at 800x600 half resolution what the display driver would do in the case is it would user 4 native 1600x1200 pixels to form one 800x600 pixel. The image would be larger and softer and not as much information would fit on screen compared to running at 1600x1200. If you ran that display at 1024x768 the image would still look good the display driver has to be a bit more creative rendering pixels. However 1600x1200, 1024x768 and 800x600 all has a 4:3 aspect ratio the sane aspect ratio as the physical display. If you ran the display a 1280x1024 the image would distort because is a 5:4 aspect ratio. not proper for the display physical aspect ratio. So if you have a UXGA LCD you will be running it a 1600x1200 because it look best running at 1600x1200. If your display is a 20" display its 4:3 aspect ratio sides measure 16"x12"x20" diagonal the old 3,4,5 triangle. Its DPI||PPI resolution is 100 if it were a 15" display its resolution would be 133DPI||PPI
Printers can print at any DPI up to their maximum resolution. Your image DPI resolution does not have a direct correlation to your printers resolution. Your printer uses its higher resolution to paint in your images larger pixels. Many drops of ink are use to paint in a pixel. The setting you see for you printers resolution is often settings like 360, 720, 1440, 2880 DPI. These are more or less a quality setting higher setting will result in higher quality pixels being painted in. The higher setting are only available when high quality paper is being used for more ink will be laid down to paint in finer high quality pixels and low quality paper would become soggy wet.

Too small menu fonts!

hi there!....
I have a ultra high resolution monitor and even when I select "large" font option
in Preferences/Interface/UI Text Options all menus are to small....is there
any way to make them bigger........
thanks
ciao.......

thaanks a lot Mylenium!.....
no, whatever I do with the custom size DPI/ppi in Windows 7 it does not
efect font sizes in PS menus.....
the same problem is posible to resolve in Mozilla Firefox with CSS (cascading style sheets)
so I was hoping there is something similar with PS...
small fonts and tools are a big problem with 2560x1440 resolution.....
thanks one more time
ciao and have a nice day
bibo

DPI / PPI Problem

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