Hot answers tagged

266 votes
Accepted

Why are pixels square?

Pixels in screens are square, but I'm not sure why. They aren't (necessarily) square. Some would argue that they are never square ("A pixel is a point sample. It exists only at a point."). ...
DavidPostill's user avatar
  • 156k
82 votes
Accepted

What is the difference between screen with resolution 2560*1440 with zoom - 200% and screen with resolution 1280*720?

It looks like you are referring to "zoom 200%" in some OS settings. When you use 1280*720 everything is rendered in this resolution and then scaled up as a bitmap (by your monitor). The final image ...
Kamil Maciorowski's user avatar
73 votes

Why are pixels square?

I would like to offer an alternative to David Postill's well thought out answer. In his answer, he approached the question of pixels being square, just as the title suggested. However, he made a ...
Cort Ammon's user avatar
  • 2,386
65 votes

Does 1 pixel have a standard size?

The size of a pixel varies by device. For example a 24" monitor running 1024x768 has bigger pixels than a 20" monitor running the same resolution. The pixel is the smallest dot that can be turned on ...
Adrien's user avatar
  • 1,265
45 votes

Does 1 pixel have a standard size?

Pixels per inch is essentially the digital equivalent of dots per inch - it's an arbitrary measurement that lets you know how sharp an image is. A pixel itself isn't 'standard' on a modern LCD screens ...
Journeyman Geek's user avatar
  • 129k
22 votes

Why are pixels square?

Two reasons: A rectangular shape versus circular, triangluar, or more-than-4-sided has the advantage that it can be placed next to other rectangles with the minimum of "wasted space". This ensures ...
LawrenceC's user avatar
  • 73.8k
20 votes

Does 1 pixel have a standard size?

The other answers are missing the point here. To quote from Wikipedia, In digital imaging, a pixel, pel, dots or picture element is a physical point in a raster image, or the smallest ...
Carl Witthoft's user avatar
17 votes

Why are pixels square?

Pixels are not necessarily square! In the past pixels have rectangular shapes. That's why in any professional image/video editor like Photoshop, Premiere, Sony Vegas... you see the pixel aspect ratio ...
phuclv's user avatar
  • 27.5k
16 votes
Accepted

How can I prevent some added text from becoming pixelated in Microsoft Paint?

It depends on the size of the image. If you're stuck editing a very small image, you can try increasing the size, as shown below, then add text, and then shrink the image somewhat. If resized too ...
DrMoishe Pippik's user avatar
14 votes

Does 1 pixel have a standard size?

In this case [*] is the inch that has a fixed size of 2,54 cm. The dimension of the pixels can vary. The PPI is the number of pixel that you can count in one inch of your device. I think that ...
Hastur's user avatar
  • 18.9k
11 votes

Why are pixels square?

The answer is: they should be hexagonal, because hexagonal tiling provides optimal optical quality, so it will be the future. But I think there are two main reasons why are they still square: It is ...
Mikhail V's user avatar
  • 993
11 votes
Accepted

How to get color-depth or pixel desnity right for a remote desktop to CentOS using VNCServer?

Have you tried changing the viewer's picture quality settings? While in a connection select the cog icon from the viewer's toolbar. Then set picture quality to High.
srk's user avatar
  • 235
10 votes

Does 1 pixel have a standard size?

There are two different but linked concepts of pixel: The classic (physical) one, which is the basic unit of a display, the smallest dot that a screen can turn off and on, generally composed by three ...
Pablo Lozano's user avatar
10 votes
Accepted

Why fonts are so pixelated all of the sudden in windows 10?

Looks like somehow ClearType got deactivated. ClearType is Microsoft’s implementation of anti-aliasing for fonts. You can find the ClearType settings by searching for them on the start menu or by ...
Daniel B's user avatar
  • 62.5k
10 votes

How can I prevent some added text from becoming pixelated in Microsoft Paint?

if the answer is that paint is crap and doesn't support it, that's a valid answer. Paint is crap. If you want a similar and gratis software, try Paint.NET instead. It has 3 options for dealing with ...
Thomas Weller's user avatar
9 votes

Why are pixels square?

Square pixels were "the logical thing to do," says their inventor, Russel Kirsch: “Of course, the logical thing was not the only possibility … but we used squares. It was something very foolish ...
Virgil McCracken's user avatar
9 votes

Why are pixels square?

Some of the answers already touch this... I think that non-rectangular array in terms of data storage would create almost unimaginable complexity and would be extremely error prone. I've had lots of ...
orion's user avatar
  • 251
9 votes

How can I prevent some added text from becoming pixelated in Microsoft Paint?

Presumably, you want your text to look similar to the existing text ("Overall clinical ratings of"). Note that this text itself is pixelated, but that's because of the image's resolution, ...
Jonathan's user avatar
  • 3,517
7 votes

Why are pixels square?

This question is more about arrangement than the actual shape of a pixel. The problem with hexagonal arrangements is that translating an hexagonal site into a cartesian coordinates and vice versa is ...
alfC's user avatar
  • 333
7 votes

Why are pixels square?

To appreciate why a rectilinear pixel has value, you need to understand the fabrication process of sensors and displays. Both are based upon silicon layout. Both are derived from the origins of VLSI....
user3533030's user avatar
7 votes

What is the difference between screen with resolution 2560*1440 with zoom - 200% and screen with resolution 1280*720?

In addition to Kamil's excellent answer (graphics and text will be drawn at the improved resolution and therefore look better), MacOS and iOS actually allow the developer to use different artwork ...
gnasher729's user avatar
6 votes

Does 1 pixel have a standard size?

No. Way back in the (multisync CRT) day, we had monitors of the same size and resolution with different dot pitches (pixel sizes). Dot pitches (sizes) were sometimes so large that they overlapped ...
Brian Knoblauch's user avatar
6 votes
Accepted

ffmpeg how to process a video to get square pixel effect

The basic method to do this without a filter is to scale the video down and then rescale it up using the nearest neighbor method. ffmpeg -i in.mp4 -vf scale=iw/4:ih/4,scale=4*iw:4*ih:flags=neighbor ...
Gyan's user avatar
  • 35.9k
5 votes
Accepted

Damaged screen. Any hope but replacing?

By looking at it, that's hardware -- the LCD panel is fractured. You can confirm it's hardware by booting into the BIOS/UEFI, (and perhaps to a different OS, for thorough testing). If the problem ...
Ƭᴇcʜιᴇ007's user avatar
5 votes

How do I tell the dimensions of the current selection in GIMP?

Anyone knows how to measure selected area? I have irregular shape selected, and I want to know what is the area of that selection, for example in square pixels. Edit: I found the answer by myself, ...
bladekp's user avatar
  • 259
5 votes

How do I tell the dimensions of the current selection in GIMP?

If the above solutions are inelegible and your selection equals the current layer, you might also measure the size of the layer using "Layer" -> "Scale Layer".
phil294's user avatar
  • 320
5 votes

Why are pixels square?

There are two ways to answer this question: In hardware, pixels are not necessarily physically square, but may be whatever shape or arrangement the manufacturer of a display device thought ...
micheal65536's user avatar
4 votes

Why are pixels square?

While they may not physically be square. They are abstractly represented as square, and when shown on displays with lowered resolutions they are seen as squares. Mostly due to laziness, and less ...
Todd's user avatar
  • 41
4 votes

How to prevent Chrome from blurring small images when zoomed in?

Possible in 2019 with the following CSS: image-rendering: pixelated;
Arnaud's user avatar
  • 141
4 votes

Does 1 pixel have a standard size?

Yes, the size of a pixel is 0x0. Note that this definition works for all units of distance: 0cm x 0cm, 0 inches x 0 inches, 0 miles x 0 miles, etc. I assume you're asking whether there is a standard ...
Warbo's user avatar
  • 158

Only top scored, non community-wiki answers of a minimum length are eligible