measurement

问题 What is advance width? The term comes up in the android class Paint , specifically the function getTextWidths() . The documentation states “Return the advance widths for the characters in the string” . what is the “advance widths?” 回答1: Advance Width is a metrics term related to fonts/typography. There are some Q&A's here on SO that cover it, but the short definition is more or less: The advance width is the distance between the glyph's initial pen position and the next glyph's initial pen

问题 I have a woocommerce site set to use Kg and cm as dimension units in the backend settings. The site mainly sells to Europe so no worries. Now I have to sell to US market to and I am being asked to configure the site so that when users in the US-Client group login they see Imperial measurements either as well as or instead of Metric units. Is there a way at least I can display the weight and dimensions in Imperial using some conversion etc and keep primary units as Kg and cm in the database? I

问题 I have searched a lot and tried much but I can not find the proper solution. I wonder is there any approach for determining exact glyph height in specified font? I mean here when I want to determine the height of DOT glyph I should receive small height but not height with paddings or the font size. I have found the solution for determining exact glyph width here (I have used the second approach) but it does not work for height. UPDATE: I need solution for .NET 1.1 回答1: It's not that hard to

问题 This is the "algorithm", but when I want to measure the execution time it gives me zero. Why? #define ARRAY_SIZE 10000 ... clock_t start, end; start = clock(); for( i = 0; i < ARRAY_SIZE; i++) { non_parallel[i] = vec[i] * vec[i]; } end = clock(); printf( "Number of seconds: %f\n", (end-start)/(double)CLOCKS_PER_SEC ); So What should i do to measure the time? 回答1: Two things: 10000 is not a lot on a modern computer. Therefore that loop will run in probably less than a millisecond - less than

问题 I know that doing view size calculations for placement is frowned up. Android layout managers should place all views properly. However there are some legitimate cases when some sort of calculations should be done in order to provide hints (ex. number of columns in a GridView or sizing a text view to allow a minimum number of characters displayed in a line). For these cases I would like to get the relevant view width/height info or font width/height/etc. However the getWidth()/getHeigth()/etc

问题 I want to measure dependencies between classes - what's the best approach and tools to use? I'm working in MS .Net Text based information / reports are OK, but I'd prefer something visual. Open source tool would be ideal. 回答1: This may not help (right now), but it looks like VS 2010 will have a dependency graph feature out of the box. Looks like it will do class, namespace, and assembly dependencies. 来源： https://stackoverflow.com/questions/2376519/measuring-class-dependencies

问题 What I am doing is getting the pixel size of a string and converting it to hundredths of an inch (ie. pixels/DPI = inches, inches * 100 = hundredths of an inch). Here is my code: private static SizeF TextSize(string text, Font txtFnt) { SizeF txtSize = new SizeF(); // The size returned is 'Size(int width, int height)' where width and height // are the dimensions of the string in pixels Size s = System.Windows.Forms.TextRenderer.MeasureText(text, txtFnt); // Value based on normal DPI settings

问题 I am actually working on a Machine Vision project using OpenCV and Python. Objective : The objective of the project is to measure the dimensions of a component with high accuracy. Main Hardware : Basler 5MP camera (aca-2500-14gm) A red backlight (100 mm x 100 mm) (Size of my component is around 60mm) Experiment Since I am Looking at very tight tolerance limits, I first did a precision study. I kept the component on the backlight source and took 100 images without moving the part (imagine like

问题 I'm generating a receipt and am using the Graphics object to call the DrawString method to print out the required text. graphics.DrawString(string, font, brush, widthOfPage / 2F, yPoint, stringformat); This works fine for what I needed it to do. I always knew what I was printing out, so I could manually trim any strings so it would fit properly on 80mm receipt paper. Then I had to add an extra bit of functionality that would make this more flexible. The user could pass in strings that would

问题 I have the following data frame: data_2 sex age seca1 chad1 DL alog1 dig1 scifirst1 crimetech1 1 F 19 1800 1797 180 70 69 421 424 2 F 19 1682 1670 167 69 69 421 423 3 F 21 1765 1765 178 80 81 421 423 4 F 21 1829 1833 181 74 72 421 419 5 F 21 1706 1705 170 103 101 439 440 6 F 18 1607 1606 160 76 76 440 439 7 F 19 1578 1576 156 50 48 422 422 8 F 19 1577 1575 156 61 61 439 441 9 F 21 1666 1665 166 52 51 439 441 10 F 17 1710 1716 172 65 65 420 420 11 F 28 1616 1619 161 66 65 426 428 12 F 22 1648