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18 votes
Accepted

Why does Photoshop call ppi "resolution"?

The PPI doesn't really matter if you use pixels as units; 1000x1000 pixels at 300 or 72ppi will still be 1000x1000 pixels. But when you change the units to inches, then you'll notice one is smaller ...
  • 13.6k
16 votes

Dot vs. Pixel - rudimentary explanation

In simple, rudimentary, terms... A dot is the smallest possible spot of ink on paper. A pixel is the smallest possible spot of light on a screen. Dots are never on a screen and pixels are never on ...
  • 200k
14 votes
Accepted

Will increasing the dpi of my image (without re-sampling) hurt print quality?

The DPI of the image itself is not really that important. What is important is how big you will print the image and what kind of press/printer will be used to print it. This is why: DPI, dimensions ...
  • 8,118
14 votes
Accepted

Dot vs. Pixel - rudimentary explanation

(It's clear now that a simple answer to this question doesn't exist. Our language simply isn't precise enough. I like the two other answers, but would still like to give an answer seen more from the ...
  • 19.6k
9 votes
Accepted

Does printing an image at a high PPI consume more ink?

1: No. The printer will print the image using the most appropriate resolution it has at its disposal. This is why we have drivers. 2: Short answer, yes. Long answer, it depends. Depending on how the ...
  • 1,334
8 votes
Accepted

Unable to create image of a certain size (25mm x 11mm, 300DPI)

Because you are working with mm units, and the PPI uses imperial units. Because if you have exact mm you need to have halved pixels, which you can not, so the number is rounded to its nearest pixel ...
  • 34.2k
8 votes

How to get a 1:1 scale print preview?

Could I suggest the "really, really obvious empirical method"? Get a sheet of A4. Hold it up to the screen. Change the image zoom scale until it matches. Forget DPI & pixel density. You just ...
  • 4,375
7 votes

Designing for Retina display in PPI or DPI?

DPI is completely irrelevant. What matters is the number of pixels. A non-retina iPhone, for instance, is 320 pixels across. A retina iPhone is 640. (The iPhone 6's retina is 750 pixels wide). What ...
  • 49.9k
7 votes

I need to print an image at a certain size. What dimensions and resolution should I use?

Determining PPI Resolution given the Viewing Distance from the image For Raster (halftone screened) graphics, the PPI resolution is determined in two steps using only basic arithmetic. There's ...
  • 5,066
7 votes

DPI Vs. PPI Vs. Image dimension, what should be taken to consideration?

There is no such thing as a 300PPI image PPI is not an inherent property of an image. There is no such thing as a 300PPI image, or a 72PPI image. PPI is just a useful measurement for determining the ...
  • 40k
6 votes
Accepted

How can a print have a resolution of 9600 x 2400 dpi?

Printed medium works differently form screens. Screens have 3 color elements very close to each other. Each element is capable of different color intensities. Printers on the other hand produce dots ...
  • 56k
6 votes

Dot vs. Pixel - rudimentary explanation

This is more like a long comment than a answer. The reason why you fail to get this is simply you have no need for this information. The only way you can ever understand this is if you care about the ...
  • 56k
5 votes

How set my Illustrator document to be 150 dpi?

Under "Effect"-tab you're able to enhance the documents resolution in "Document Raster Effect Settings" if I've translated it correctly from Dutch...
5 votes

How to see an embedded image's dpi (ppi) in a pdf in Acrobat Pro?

Here's a full step-by-step (based on Adobe Acrobat Pro X): To quickly do it now Edit > Preflight (or shift & cmd/ctrl & x) Under 'PDF Analysis', select List page objects, grouped by type of ...
5 votes

PPI in the Wild: implications of setting or providing a PPI flag in an image file

are there times when the PPI flag is honored by iphone/retina/screen-density-aware software if it finds one? No. In fact, I can't think of any place it's really honored outside some very select ...
  • 49.9k
5 votes

Changing dpi without changing size

To put it plainly, you can't. Or rather it doesn't work that way. An image has an existing number of pixels. When you increase the PPI without resampling, you tell that image to condense the same ...
  • 200k
5 votes

Why does Photoshop call ppi "resolution"?

Other answers have more than adequately explained resolution, so I'll explain density, which has a VERY different meaning in the graphic design world. Ink density is the total area coverage of paper ...
5 votes

How do I change the dpi in Properties of a jpeg from 96 to 300?

Almost any decent program can do this. But depending on which one you are using you need to "block" the file size. I understand that Abbyy you are refering to is the OCR program. And somehow is a ...
  • 34.2k
5 votes

Is a DOT comprised of many PIXELS?

Pixels have no size. Pixels are not a physical entity, they don't exist. You can't hold them, you can't touch them, you can't measure them. A pixel is merely the smallest increment your screen can ...
  • 200k
5 votes
Accepted

How important is it to use the correct resolution?

When working on a project, its obviously important to use the right resolution Well, it's important to work at the correct size, although arguably not that important*. Work in vectors for anything ...
  • 40k
5 votes

export document as a JPEG on Illustrator with very high quality for typography print

Don't use jpg or any raster format. Save as either a native .ai file, a .eps if transparency isn't an issue, or a .pdf file. All of these formats are best suited to save Illustrator artwork for print....
  • 200k
5 votes
Accepted

What are good resources for royalty-free stock images that are at least 300 DPI?

99.99999% of Royalty free stock image sites will allow for the download of 72ppi images, but then you traditionally open the image in Photoshop and resize without resampling. Note that the Resample ...
  • 200k
5 votes
Accepted

How to get a 1:1 scale print preview?

Make sure that the screen definition as seen by Gimp is the real one: Edit>Preferences>Interface>Display>Monitor resolution (in 2.8: Edit>Preferences>Display>Monitor resolution). ...
  • 14.3k
4 votes
Accepted

Inkscape, 300dpi image for printing, 2"x2" - export settings

The dialog box is very clear: File > Export bitmap In the dialog box choose units: Inches Below will say: width: 600, height: 600 (this is the size in pixels) and little to the right will say 300 ...
  • 34.2k
4 votes

Does printing an image at a high PPI consume more ink?

Note that you cannot alter an image's PPI (pixels per inch) in-printer, only DPI (dots per inch). Modifying PPI can only be done in an image editing application. By various terms it's called “up-res'...
  • 41
4 votes
Accepted

What resolution images could I use for posters on the wall?

It depends on how close you expect the viewer to stand, as vision is based on angular frequency. If your image has a certain size and you need to print it at some size then there is not much you can ...
  • 56k
4 votes

Resizing 280m print in Adobe Photoshop

280 m^2 is big, scratch that its enormous in size. It is not that its not possible to fill, it is. It is just that this is a very big task, your going to need quite the team to pull this off. You are ...
  • 56k
4 votes

Changing the DPI of Inkscape’s PNG export

1) If you want a file 1920x1080 px, the ppi is TOTALLY irrelevant, because you want it for an electronic medium. 2) In the case of the export focus on the pixel size. Yes, on the moment of the export,...
  • 34.2k
4 votes

DPI Vs. PPI Vs. Image dimension, what should be taken to consideration?

The fundamental issue You want to know what width and height your image has to be, measured in pixels. The PPI value (or DPI, if used interchangeably) can help you determine this. It literally stands ...
4 votes
Accepted

Is a DOT comprised of many PIXELS?

I like a lot the reasoning of the question. I will break a little a rigorous analysis for the sake of making this answer as simple (and practical) as possible. Each dot consists of more than one ...
  • 34.2k

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