When it comes to mobile testing coverage, then the QA team needs to keep a host of things in mind, and one of them is the display of the device. In this regard, one needs to keep the screen size, resolution, and Pixel per inch (PPI) density in mind. ...
To find a monitor’s pixel density: Measure the screen’s diagonal size in inches Note the resolution (width × height in pixels) Use the formula: √(width² + height²) ÷ diagonal size For example, a 27-inch 1920 x 1080 monitor has a pixel density of about 82 PPI, while a 27...
To calculate resolution, we need to understand several concepts first. Pixels, image resolution and screen resolution. Pixels are made up of small squares in an image. These small squares have a definite position and assigned color value. The color and position of the small squares determine the...
PPI (Pixels per Inch)refers to the number of pixels that make up every inch of a digital image. It’s used to describe image resolution on a screen, rather than in print. DPI, meanwhile, refers to number of dots in every inch and is generally used for print purposes. PPI and DPI do...
Megapixels and screen resolution are commonly used terms in thephotography industry. Both terms determine how sharp and well-contrasted your image will appear on a monitor. What Are Megapixels? In the simplest form, a megapixel is one million pixels. Pixels are tiny squares that make up a st...
Determine How Big an Image Will Look on Another Device Now that you know your screen or device PPI, it's time to put it to good use. You may create or edit an image on your 17-inch laptop with an HD screen (129.584 PPI), but know that you'll be displaying it on an 84-inch ...
significant difference between these two rates can result in image artifacts appearing when the computer-generated image frames change while the screen completes one display cycle. The difference between the two rates will determine the size and scale of the screen tearing distortion and how long it...
For example, a 400 x 400-pixel image, has a physical size of 4 x 4 inches and has a resolution of 100 pixels per inch (ppi). To reduce the image's physical size by half without resampling, you set the physical size to 2 x 2 inches. Photoshop increases the resolution to 200 ppi....
We’ve all become accustomed to the PPI (Pixels Per Inch) count on our iPhone and iPad displays, but another metric that’s worth knowing is the DPI (Dots Per Inch) of your mouse. This will determine how quickly the cursor can travel across the screen and how small the hand movements ...
entirely when you optimize an image for the web. A 1200 x 800 px image will take up a maximum of 1200 px across and 800 px down on any screen, regardless of what you set the DPI/PPI to. So, why do people say that 72 pixels per inch (ppi) is best for web or screen resolution...