ppi in teradata

The minimum size of clickable elements is 44x44. Take the iPhone 4S as an example, the PPI is 326, and the conversion formula of the PPI and screen size is: PPI = √ a ^ 2 + B ^ 2/c ^ 2a, B is the regional pixel size, c is the size ). Therefore, the formula can be reversed to obtain the actual size of the minimum click area of the iPhone 4S is 0.19in. In addition,

mobile phone above no matter what browser, are tested, the results are 980px. But this value seems to be of little use to our web development. Because most of the situation, The first generation of the iphone, the resolution is 320*480, the screen size is 3.5 inch (note that this 3.5-inch is the diagonal width of the screen), this time Device-width is 320px, is also the resolution of the phone wide, device-width is the device wide. But the second generation of the iphone resolution to 480*960,

by the camera. 640*480 = 307200 = 0.3 million pixels 1600*1200 = 1920000 pixels 2 million * 3264 = 2488 pixels 8120832*8 million = 4536 pixels 3024*13716864 = 14 million pixels DPI and PPI DPI (Dots Per Inch) is used in the printing industry to measure the density of spatial points. This value is the number of ink points that the printer can spray Per Inch. The computer display device draws on the DPI concept from the printer. Because the atomic u

active display area, the higher the resolution, the higher the resolution of the screen (resolution). The average human eye is more sensitive in the vertical direction of the pixel, so the higher the vertical resolution, the higher the sharpness of the screen.Pixel pitch (pixel pitch)refers to the distance between 2 pixels in a valid display area of the TFT-LCD. The smaller the pixel pitch, the smaller the font size. The delicate picture is also determined by the pitch, the smaller the pixel pi

1. Device pixel refers to the physical pixels used in the device. Iphone5 640x1136px2.css pixels (CSS pixel) logical pixelsPX: relative units, relative unit pixels (device pixel), so the same value on different screen size is different oh.3.Retina Retina screen PPI > 3204.ppi: pixels per inch, number of pixels per inch.Low densityMedium densityHigh densityUltra high density:

Talking about how android can adapt to both pad and mobile phone, and talking about how android can adapt to pad at the same time Precautions and skills Some time ago, the company wanted to create an android app and adapt it to pad and mobile phones. At first, I thought this was impossible, because the apps we saw on the market all wanted two versions, mobile and pad. Because the size difference between the mobile phone and the screen is too large, it is generally not said that an app is compati

/MainActivity﹕ the screen size is Point(800, 1202)D/MainActivity﹕ the screen real size is Point(800, 1280) If you cannot reproduce it easily, you don't need to worry about it. For the sake of insurance, use getRealSize () to obtain the correct information. 2. screen size the physical screen size of the device. Different from a few years ago, the current mobile phone screen is too big to be held. The standard has already reached the 5-inch screen era. The screen size refers to the diagonal length

. 640*480 = 307200 = 0.3 million pixels 1600*1200 = 1920000 pixels 2 million * 3264 = 2488 pixels 8120832*8 million = 4536 pixels 3024*13716864 = 14 million pixels DPI and PPI DPI (Dots Per Inch) is used in the printing industry to measure the density of spatial points. This value is the number of ink points that the printer can spray Per Inch. The computer display device draws on the DPI concept from the printer. Because the atomic unit in the comput

Happy shrimp Http://blog.csdn.net/lights_joy/ Lights@hb165.com This article applies ADSP-BF561 Uclinux-2008r1.5-rc3 (smp patch) Visual DSP ++ 5.0 (Update 5) BF561-EZKIT Reprinted, but keep the author information In this paper, we only do a simple learning for BF561-EZKIT video acquisition. 1.1 Overall StructureTo achieve Video Acquisition first in the hardware to use a Video Acquisition chip to complete the analog signal to digital signal conversion, In the BF561-EZKIT using adv7183. This chi

Previous precautions and TipsA time ago the company wanted to do an Android app. At the same time to adapt to the pad and mobile phone. Just started to think that this is impossible to achieve, because we see in the market app are two version number, respectively, mobile and pad version.Because the size of the phone and screen is too large, it is generally not said that an app is compatible with two version numbers at the same time. in order to achieve screen compatibility, so I specifically to

achieved Percentage The first one can be perfectly fulfilled The second and fourth can be perfectly fulfilled. Third and fifth cannot be achieved dp+ Physical Dimension Special treatment mechanism (that is, Layou-large folder) The third and the most perfect realization Percent + physical size special treatment mechanism The third, the fifth perfect realization So overall, the p

, its device-width value is 360, but there are many such as 540px and 600px such a wonderful. After setting the about DPIDPI (Dots per inch), sometimes called PPI (point Per inch), is also called pixel density, which indicates the number of pixels per inch of the device, and the higher the value, the higher the density of the display to show the image. (Note: The pixels here refer to device pixels.) ) The calculation formula for DPI:Interestingly, the

Modularization implementation is to use subroutines. The program flow is determined when the program is written.Examples of object-oriented classes, constructor methods, member variables, member methods: Packagetest; Public classGouzao { Public Static voidMain (string[] args) {Phone P=NewPhone ("Huawei", 2000, "China", 113);//If the value is not passed here, then the constructor method in the calling class should not be a physical parameter .P.showphone (); P.panduan (); }}classphone{ Public

objects are selected for special inks, such as silver, gold plated and metallic inks. If you choose 100% Cyan and 50% Magenta, the final print will get the color of the printed matter. A lot of printers will tell you the value of black four colors. If you want to get the black four-color printing effect, it may not be black enough. Black four colors will mix all ink to get a darker black than pure black. CMYK mode is the perfect way to show the color of the sample you picked, which is the bigg

The first is to move pixels, for PX should not feel unfamiliar, this is a CSS for the browser design of a logical pixel, is the browser to use the abstract unit! DP, PT, Lake person device independent pixel, that is, the physical pixel of the device! and DPR, device pixel scaling ratio, is the PX and DP link bridge! There is how a computational formula 1PX=DPR*DPR*DP.IPHONE5 specification is 640*1136, in fact, is such 640dp*1136dp, by conversion equivalent to 320PX*568PX, then their DPR is 2, th

is 96,101,320 or greater than 320 pixels wide. Devices with a screen width of less than 128 pixels make up only a small percentage of the total of 469 devices. Also, less than 5% of the device width is greater than 320 pixels. But that figure may rise in the future, and it is now visible that small screen (128,176) devices are gradually being replaced by large-screen (240+) devices. The following chart gives the relevant analysis. The resolution of the screen is really important, but ther

Get ready First, we can see in the Official document width and Height section that the unit in Rn is a DP, which is consistent with the units in Android.In the official website: A DP is equal to one physical pixel on a screens with a density of 160.To calculate DPS: dp = (width in pixels * 160)/ Here's screen density density, it's about equal to (dpi/160), in Rn we can get through Pixelratio: pixelratio.get () = = 1MDPI Android Device (160 dpi) pixelratio.get () = = 1.5HDPI Android Device (the

iphone 6 PPI (pixel per inch) and set PPI to the DPI value of Photoshop (iphone 6 326PPI). This gives you the perfect display when you put the 1*1-inch picture of Photoshop on the iphone 6. Accurate matching of the DPI of the PS document with the PPI value of the display device ensures a good display effect. Figure 03 3. Create

Toshiba's new satellite p55t laptop is equipped with a 15.6-inch 4K Ultra-clear display-with 3840 x 2160 pixel resolution, the IGZO display's pixel density reaches 221 ppi. But what's the use of a laptop with such a sharp screen? Our experience after the demo is: It is a media creation tool, suitable for professional standards of photo video, editing and design work. Toshiba's laptop, with its sharp screen, is the Apple MacBook Pro 15-inch laptop wit

First, to introduce the following about PX, PT, PPI, DPI, DP knowledge Terms Description Px (pixel), pixel, the most basic point on the screen to display data Pt (point), Dot 1pt=1/72 inch Ppi (pixel per inch), number of pixels in each inch Dpi (dot/inch), dots per inch Dp i.e. dip (density-independent pixel), d