Abstract: This article discusses how you can generate your own 3-dimensional mesh for visualizing mathematical functions using Delphi XE2 and FireMonkey. Prerequisites! This article assumes that you are familiar with the basics of 3D graphics, includ…

  Visualizing wave interference using FireMonkey By: Anders Ohlsson Abstract: This article discusses how you can generate your own dynamic 3-dimensional mesh for visualizing wave interference using Delphi XE2 and FireMonkey. Prerequisites! This artic…

Part 29 Mathematical functions in sql server…

数学类函数(Mathematical Functions) abs(x) 返回标量和向量x的绝对值 如果x是向量,则返回每一个成员的绝对值 acos(x) 返回标量和向量x的反余弦 x的范围是[-1,1],返回值的范围是[0,π], 如果x是向量,则返回每一个成员的反余弦 all(x) 如果一个布尔标量为真,或者布尔向量的所有成员为真,则返回真 any(x) 如果一个布尔标量为真,或者布尔向量成员存在真值,则返回真 asin(x) 返回标量和向量x的反正弦 x的范围是[-1,1],返回值的范围是…

原文 http://monkeystyler.com/guide/Custom-Grid-Columns ack to FireMonkey Topics As we saw in TGrid a FireMonkey grid consists of columns which contain cells made of any descendant of TStyledControl. Or, effectively, any control. A number of column type…

Using Custom Functions in a Report  在报表中使用自己义函数   FastReport has a large number of built-in standard functions for use in report designs. FastReport also allows custom functions to be written and used. Functions are added using the "FastScript"…

Hive Operators and User-Defined Functions (UDFs) Hive Operators and User-Defined Functions (UDFs) Built-in Operators Relational Operators Arithmetic Operators Logical Operators Complex Type Constructors Operators on Complex Types Built-in Functions M…

Built-in Operators Relational Operators The following operators compare the passed operands and generate a TRUE or FALSE value depending on whether the comparison between the operands holds. Operator Operand types       Description A = B All primitiv…

前言:感慨于居然不用tesselation也可以产生这么复杂的地形,当然致命的那个关于不能有洞的缺陷还是没有办法,但是这个赶脚生成的已经足够好了,再加上其它模型估 计效果还是比较震撼的.总之好文共分享吧.Ryan GeissNVIDIA Corporation 1.1 Introduction Procedural terrains have traditionally been limited to height fields that are generated by the CPU and…

List of mathematical abbreviations From Wikipedia, the free encyclopedia 数学缩写列表 维基百科,自由的百科全书 This article is a listing of abbreviated names of mathematical functions, function-like operators and other mathematical terminology. 这篇文章是一个数学函数,类似于函数的操作符和其…

3.1 Function callsIn the context of programming, a function is a named sequence of statements that performs a computation. When you define a function, you specify the name and the sequence of statements. Later, you can “call” the function by name. We…

"Custom Draw" is a feature shared by all of Microsoft's common controls, which allows you to interject your own code while the control is drawing itself. In this way, you can customize the appearance of the control, altering it to suit your need…

官网Functions and Operators部分 版本:0.266 目录 官网Functions and Operators部分 1 Comparison Functions and Operators is distinct from greatest/least any/all/some like 2 Conditional Expressions if nullif try 3 Lambda Expressions 4 Conversion Functions cast/try_ca…

有时候,项目中我们需要设置类似白名单的功能,即某些用户或者某种Profile的用户不走一些校验或者走一些校验,这时,使用Custom Settings功能可以很好的解决这一需求. Custom Settings创建类似于Custom Object,但是两者用法上有一些区别:Custom Setting可以通过条件配置来区分特定的用户,或者Profile. Custom Settings可以应用到很多场景,因为可以通过特定用户和Profile进行配置,所以设置白名单或者相反的功能很容易,除此之外还…

原地址:http://blog.sina.com.cn/s/blog_72b936d801013ptr.html icense Comparisons http://unity3d.com/unity/licenses#iphone Optimizing Graphics Performance http://unity3d.com/support/documentation/Manual/Optimizing Graphics Performance.html iOS A useful bac…

DesktopGood performance is critical to the success of many games. Below are some simple guidelines for maximizing the speed of your game's graphical rendering. 好的性能,是很多游戏成功 的关键.下面是一些简单的指引,最大限度地提高你的游戏图形渲染速度. Optimizing Meshes 优化网格You only pay a render…

| Main | Site Index | Download | mimetic A free/GPL C++ MIME Library mimetic is a free/GPL Email library (MIME) written in C++ designed to be easy to use and integrate but yet fast and efficient. It is based on the C++ standard library and heavily us…

A novel massively parallel supercomputer of hundreds of teraOPS-scale includes node architectures based upon System-On-a-Chip technology, i.e., each processing node comprises a single Application Specific Integrated Circuit (ASIC). Within each ASIC n…

下面是收集的一些开发工具包,主要是C/C++方面的,涉及图形.图像.游戏.人工智能等各个方面,感觉是一个比较全的资源.供参考!  原文的出处:http://www.codemonsters.de/home/content.php?show=freelibraries  //z 2015-07-30 15:24:34 L.154'30926 BG57IV3@XCL T3752479411.K.F1370514324[T81,L7803,R301,V7813] Contents 2D Graphic…

A curated list of awesome Go frameworks, libraries and software. Inspired by awesome-python. Contributing Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock! If you see a package or project here that…

gazebo_models:https://bitbucket.org/osrf/gazebo_models 模型庫下載,可以參考如下命令: ~/Rob_Soft/Gazebo7$ hg clone https://bitbucket.org/osrf/gazebo_models 下載更改目錄下載到指定文件夾中. 模型庫的結構 目錄 配置等可以參考官方文檔,注意model.sdf. 當然也可以將自己制作的模型上傳到庫中,文檔中也有具體說明. code$ hg clone https://your…

If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you! Contents Awesome Go Audio and Music Authentication and OAuth Command Line Configuration Continuous I…

看U3D文档,心得:对于3D场景,使用分层次的距离裁剪,小物件分到一个层,稍远时就被裁掉,大物体分到一个层,距离很远时才裁掉,甚至不载.中物体介于二者之间. 文档如下: Good performance is critical to the success of many games. Below are some simple guidelines for maximizing the speed of your game’s rendering. Locate high graphics i…

Functionals “To become significantly more reliable, code must become more transparent. In particular, nested conditions and loops must be viewed with great suspicion. Complicated control flows confuse programmers. Messy code often hides bugs.” — Bjar…

A curated list of awesome Go frameworks, libraries and software. Inspired by awesome-python. Contributing Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock! If you see a package or project here that…

About this Course If you want to break into cutting-edge AI, this course will help you do so. Deep learning engineers are highly sought after, and mastering deep learning will give you numerous new career opportunities. Deep learning is also a new "s…

使用osg加载fbx模型,需要自己编译fbx插件,编译流程与插件使用案例如下 代码地址:https://github.com/shelltdf/osgFBX CMake Error: The following variables are used in this project, but they are set to NOTFOUND.Please set them or make sure they are set and tested correctly in the CMake fil…

MTRX1702 - C ProgrammingAssignment 1This assignment requires you to design and build a program to compute and display tables oftrigonometric values.This assignment should take an average student 15 hours to complete.Submission deadline: 11:59pm on Su…

Overview An array having more than two dimensions is called a multidimensional array in the MATLAB® application. Multidimensional arrays in MATLAB are an extension of the normal two-dimensional matrix. Matrices have two dimensions: the row dimension…

作者:造数科技链接:https://www.zhihu.com/question/21395276/answer/219747752 使用Python绘图 我们先来看看,能画出哪样的图 更强大的是,每张图片下都有提供源代码,可以直接拿来用,修改参数即可. """ =============== Basic pie chart =============== Demo of a basic pie chart plus a few additional features. In…