Questions about the output resolution of a print device. `dpi` refers to dots of ink on a printed page and thus to a property of a printer or other printing device. The term is often used in error, in place of `ppi` (pixels per inch), which is a property of an image file or a display device.

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3
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2answers
2k views

When creating PDF from an image, what determines the screen dimensions when viewed at 100%?

I would like to use pdf for ease of use and annotations when creating previews of my screen designs. However, no matter how I create my pdf, I can't seem to figure out what determines the 100% view of ...
-1
votes
3answers
1k views

How big should Photoshop canvas be? (Maintaining scalability)

I usually design in Illustrator, which appears to be vector so I don't really care about the .ai size, scaling wouldn't be a problem, but Photoshop uses Bitmap and scaling can mess up the image ...
0
votes
1answer
4k views

Large format printing DPI for billboards

Hi can anyone help my confusion? I'm preparing artwork for some billboards - 96 sheets (overall size 12192mm x 3048mm). The specs say to produce artwork at a 10th of the size = 1219.2mm x 304.8mm. ...
0
votes
1answer
545 views

exporting graphics for ios app - support for both retinna and older devices?

Im making a ios app, it needs to target newer retina devices aswell as the older 3gs and ipad 1. Usually id just export them at 72pi, but for retina is it 150dpi or 300dpi (or another) Am i right in ...
15
votes
5answers
45k views

What is the difference between DPI (dots per inch) and PPI (pixels per inch)?

There are lots of other questions on Graphic Design which partly cover this, e.g. What DPI should be used for what situations?. However, I have become frustrated at the number of questions and ...
1
vote
3answers
13k views

All PDF's appear to be 72 dpi, no matter what

I'm having some trouble creating a PDF with Photoshop. The client wants the final file to be "a PDF at 300 dpi". I have an image (3300 x 2550 pixels @ 300 dpi) in Photoshop. (11" x 8.5" canvas) It ...
2
votes
1answer
931 views

What ppi do I need to save a photoshop image for a printer asking for a 300dpi jpeg?

A printer is asking for a 300 dpi jpeg. I have set the image size to the correct printing size but what resolution do I set the ppi in photoshopCS2 to for 300 dpi. Also when saving a jpeg there is a ...
6
votes
3answers
13k views

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

The following situation baffled me slightly: after preparing a pdf in a different program I wanted to make sure that an embeded image in the pdf file had the right dpi, yet I found no way in adobe ...
4
votes
1answer
168 views

What does MMH stand for?

I'm looking at some software that does a DPI check based on an upload of an images. It checks the resolution of the image against the specified DPI (300) and MMH (44x88). Does anyone know what MMH ...
0
votes
0answers
93 views

How do I get graphics to look clear on a 10'x10' banner stand? [duplicate]

Possible Duplicate: What DPI should a large format artwork for print be done at? I am designing a 10'x10' banner stand for a tradeshow in January. This is my first 'large scale' project for ...
4
votes
4answers
5k views

Will 300 dpi (non-vector) result in blurry artwork for screen printing?

I created a .psd artwork on a t-shirt that has several "sponsor logos" on it sized at around 1x1inch each. I created the file at actual size with 300dpi. I then got an email back from the printer ...
4
votes
5answers
3k views

What dimensions should I use when designing for the Kindle Fire?

I've reviewed all of the android design documentation, but I am still a little confused on how I should setup my Photoshop file if I am making an app for just the Kindle Fire. It's 1024x600 with 160 ...
2
votes
1answer
525 views

Is scaling an image by 200% the same as doubling dpi/ppi?

I am sure this is a simple question, but the answers I have received from people are never simple. I am trying to apply an answer to this question for scaling images for the iOS Retina display.
3
votes
2answers
1k views

How to raster vectors (AI) into 1bit tif in 2000dpi

I need to raster files 1m x 0,70m to 1-bit TIFF. Pretty much home RIPing. AI CS 5.5 only goes until aprox. 500dpi and PS renders vector-PDFs or AIs in 406 dpi max. Then you have to resize x5 to get ...
3
votes
2answers
20k views

What resolution do I need for images placed in InDesign?

I am creating a A4 Print PDF file from InDesign. From the InDesign file I am doing the following : File > Adobe PDF presets > [High Quality Print] Doing this exports a PDF file from InDesign pretty ...
3
votes
2answers
16k views

iOS 4 retina display resolution size

I'm a little confused about the resolution here, I know the dimensions suppose to be: 320x480 points but what do I need to put for the resolution? e.g. 300 dpi? I'm designing on CS5.
5
votes
3answers
376 views

Why is my edited image smaller than my original image but yet retains the same resolution?

I used IrfanView to change a JPG's DPI from 96 to 300 as I want to print it on a bag for my child. The new imaged created is significantly smaller 6 MB vs 682 kB. The detail summary shows the same ...
3
votes
4answers
50k views

Creating large-scale high-resolution documents in Photoshop

I am a student trying to create collages in Photoshop sized* 4' x 4' and larger, resolution 300dpi, to be digitally printed on cotton canvas and silk. The enormous file size causes my iMac to lag or ...
5
votes
1answer
4k views

Do I need full 300dpi resolution photos for designing a poster?

I'm working on a poster for a local event. It has a photograph in the background. The poster itself is designed to be 11x17, which at 300dpi is about 3300x5100. Now the photo in the background does ...
4
votes
2answers
196 views

Printer Resolution

The Windows 7 printer preferences dialogue box tells me: Print pixels: 1416 x 2152 dots Does this mean that I should always provide an image of 1416 x 2152 pixels to achieve max quality? How is DPI ...
3
votes
2answers
1k views

Inept knowledge about dpi and ppi,please help?

I have designed a web header 1000x98 at 72 ppi using Macromedia Fireworks for our website and we are planning to print a billboard using that header? The printer has told us that he needs the image ...
23
votes
11answers
24k views

What DPI should be used for what situations?

I've been seeing the word 'DPI' pop up quite a lot when I export my work out in Photoshop and Illustrator. While I know that DPI stands for 'dots per inch', and that if you have too low of a DPI on an ...