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45 votes

How can I 'blow up' small pixel art?

Yes, simply use "Nearest neighbour" as the resample algorithm in the "image size" dialog (image -> image size) Edit: @CAI gives a nice tip - "It's also worth mentioning, if you don't want any ...
MrMerrick's user avatar
  • 984
21 votes

Are pixels in Photoshop logical or physical?

A pixel is a pixel is a pixel. Resolution (as in PPI/DPI) is meaningless* in a digital context, the only time it is meaningful is when you are printing (or otherwise transferring to a physical medium)...
Cai's user avatar
  • 40.6k
20 votes
Accepted

How to edit a pixel without modifying surrounding pixels

You'll want to use the Pencil tool instead of Brush tool. It allows you to do pixel level edits without any anti-aliasing (the fuzzy area). It's located below the Brush tool or can be accessed by ...
Ryan's user avatar
  • 23k
17 votes
Accepted

What is pixel aspect ratio?

On a normal monitor imaging element is in a square matrix. We then call the aspect ratio of that pixel 1. Aspect ratio is just the width/height. A aspect ratio of 1 is a square and a aspect of 16/9 is ...
joojaa's user avatar
  • 57.8k
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 ...
Scott's user avatar
  • 208k
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 ...
Wolff's user avatar
  • 20.8k
13 votes
Accepted

Modify pixel art size without losing aesthetic

While transforming, you should set your 'interpolation' to 'nearest neighbor'. Select the layer your foreground is on; Press Cmd / Ctrl+T or choose Edit > Free Transform... to enter Free Transform ...
Vincent's user avatar
  • 25.2k
12 votes

Can I have layers with different pixel resolution in Photoshop?

Not exactly, but... ... there is a way to achieve the effect you describe. Apparently you can change the scaling mode for smart objects, but it's a global setting that takes effect for newly created ...
AndreKR's user avatar
  • 336
11 votes

Can I have layers with different pixel resolution in Photoshop?

No this is not possible. To be entirely sure I went through every option that the layer has. A workaround might be setting up guides with the size you want the pixels to be and then using the Pencil ...
SitiSchu's user avatar
  • 505
11 votes
Accepted

Can I have layers with different pixel resolution in Photoshop?

No. I'd approach it one of these two ways: Use a multiplier for your pixel brush size, and just use nearest neighbour interpolation to resize your image to the correct size without deforming it. (...
Luciano's user avatar
  • 7,900
11 votes
Accepted

Why pixels do not weight the same? (in bytes)

Compression efficiency A naive bitmap encoding stores all the pixel values directly. However, since there almost always is some redundancy in the image data, compression can be applied to reduce the ...
Peteris's user avatar
  • 236
10 votes

Is there a way to count the number of pixels of each colour in a picture?

You could do it with GIMP which is free, open source, and works on Mac, Windows, and Linux. Open an image in GIMP, using File > Open In the main menu click Windows > Dockable Dialogs > ...
Billy Kerr's user avatar
  • 85.1k
9 votes

How can I 'blow up' small pixel art?

It depends on what results you want. If you want it to look "blocky" (i.e. each pixel in the original becomes a square in the result) then MrMerrick's answer is correct. If you don't want it to look ...
Peter Green's user avatar
8 votes

How can I 'blow up' small pixel art?

Another possibility, here; try drawing your images using vector shapes. There is a little time investment, but the potential afterwards could pay dividends. Start by setting your grid size (say grid ...
Paul's user avatar
  • 551
7 votes

Ctrl + Click on thumbnail in a layer is not selecting a particular area in photoshop cc 2014 & 2015

Your layer has no transparency or mask. That's why Ctrl+clicking the layer thumbnail isn't working. I don't have a copy of CC 2015 to go through the background removal tools that were available back ...
Billy Kerr's user avatar
  • 85.1k
6 votes

What is pixel aspect ratio?

The View → Pixel Aspect Ratio setting in Photoshop simulates non-square (elongated, rectangular) pixels on a square-pixel screen, primarily for preview purposes. Photoshop does this simply by scaling ...
Jukka Aho's user avatar
  • 171
6 votes

Vectorizing pixels in bitmap images for infinite resizing. Possible?

As you put it, vectorizing every pixel makes no sense. Imagine you vectorize every pixel and then resize it. You simply have bigger squares. The exact same thing happens if you change the ppi on an ...
Rafael's user avatar
  • 36.8k
6 votes

Are pixels in Photoshop logical or physical?

It's only for print/manufacturing conversions. The operating system does not, most of the time, know what kind of screen is attached to the computer. So it does not even try to guess. Because it can ...
joojaa's user avatar
  • 57.8k
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 ...
joojaa's user avatar
  • 57.8k
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 ...
Scott's user avatar
  • 208k
5 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 ...
Rafael's user avatar
  • 36.8k
5 votes
Accepted

Rounded rectangle with non-square pixel aspect ratio

This appears to be a bug in Photoshop. It might be worth reporting to Adobe as I can't think of any reason that the current behaviour would be desirable. I've come up with two potential workarounds: ...
Westside's user avatar
  • 9,523
5 votes
Accepted

How to unlock the alpha channel lock in gimp?

The problem has nothing to do with the alpha-lock. The image is in color-indexed mode, and in that mode many restrictions apply. In particular, in that mode, transparency isn't progressive but binary (...
xenoid's user avatar
  • 16.7k
5 votes
Accepted

How to delete pixels from image?

You are mixing concepts. That is a vector image which does not use pixels. Deleting pixels is better done via Photoshop, but to fix your current situation: hit A click each black box and hit DEL
Lucian's user avatar
  • 29.1k
5 votes

Why pixels do not weight the same? (in bytes)

White.. (all) pixels R255G255B255 Black line... (x) pixels R255G255B255 and (x) pixels R0G0B0 Red line... (x) pixels R255G255B255 and (x) pixels R255G0B0 1 Red Square .... (x) pixels R255G255B255 and (...
Scott's user avatar
  • 208k
5 votes

Counting colored pixels using GIMP

The Histogram dialog is your friend. When used "raw", if shows an alpha-weighted count of the pixels (in other words, it counts non-transparent pixels). For instance in this image: Pixels ...
xenoid's user avatar
  • 16.7k
4 votes
Accepted

Stretch an image (in a specific ratio) in such a way that number of pixels of the image remains unchanged?

What you need to do is some pixel aspect ratio correction. I need to change the image aspect ratio without changing the pixel dimensions. Actually you do need to change the pixel dimensions. Or ...
Cai's user avatar
  • 40.6k
4 votes

How can I 'blow up' small pixel art?

If you are looking to simply increase the size relative to other elements and wish to maintain the "pixel art look" then the nearest neighbour method already suggested is the way to achieve that. If ...
David Spillett's user avatar
4 votes

Andoid style guide - px to dp, how do i convert?

1 dp (density-independent pixel) = 1 pixel at 160 PPI (or mdpi) From developer.android.com Density-independent pixel (dp) A virtual pixel unit that you should use when defining UI layout, to express ...
Cai's user avatar
  • 40.6k

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