json transformation

Reposted articles:Http://www.ategpu.com/2009/10/06/%E6%B7%B1%E5%85%A5%E6%8E%A2%E7%B4%A2%E9%80%8F%E8%A7%86%E6%8A%95%E5%BD%B1%E5%8F%98%E6%8D%A2.htmlGood article. I remember reading this article when I first came into contact with ogl. It seems that I can't help but praise the author for writing such details. Thank you for your excellent work! In-depth exploration of Perspective Projection Transformation Perspective Projection is an important part of a 3

The physical meaning of matrix and its transformation, eigenvalues and eigenvectorsRecently in the clustering of the use of PCA technology, which involves some of the matrix eigenvalues and eigenvectors of the content, on the Internet to find an article on the characteristics of the vector and its physical significance of the article, collation down, share.First, Matrix Foundation[1]：A matrix is an array that represents a two-dimensional space, and a

We must know that PS shortcut key ctrl+alt+shift+t (CAST) transform replication, the Internet has a lot about transformation copy shortcut keys to create some graphics skills, and this article with you share is the principle of transformation replication. We understand this later, in the production of transformation copy graphics will be able to be handy, make th

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article if there is my additional instructions, I will add [Lufy:], in addition, The WEBGL research is not deep enough, some professional words, if the translation is wrong, you are welcome to correct. Basic functions of coordinate transformation matricesFor basic 3D rendering, it is necessary to prepare 3 coordinate

start with: Vertex coordinate transformation when Direct3D learn the basics of getting started, here will detail its principles: The process of rendering three-dimensional objects in Direct3D is divided into two stages: "1" tl (transforming and Lighting), i.e. coordinate transformation and illumination; "2" grating processing stage. One, tl assembly line: The following figure: 1, world

Part 1 mathematical principles of Matrix In Android, if you have used matrix for image processing, you must know the matrix class. The matrix in Android is a 3x3 matrix with the following content: Matrix processing of images can be divided into four types of basic transformations: Translate Translation Rotate rotation and Transformation Scale Skew mistangent Transformation Literally, mscale in the matrix

Chapter 2 transform Encoding 1. Transform Encoding Purpose of Transcoding Remove spatial signal correlation The capability of spatial signals is concentrated on a small part of the low frequency coefficient in the frequency domain. Small coefficients can be quantified without seriously affecting the quality of reconstructed images. Block and Global Transformations Block transform: discrete cosine transform (discrete cosine transform, DCT), 4x4, 8x8, 16x16 Global

coordinate transformation is the basis of a deep understanding of the three-dimensional world, very important. The first part of this study is to understand several concepts: viewpoint Transformation, model transformation, projection transformation, viewport transformation.

Affine transformation is an important research object in the field of image matching, so it is necessary to understand the operation of affine transformation in image. Learn some of the online blogs and tutorials, and simply record a bit:An affine transformation of an image consists mainly of the following series of actions: Flip, rotate (Rotation), pan (translat

Detailed description of the server rendering Transformation (koa2 + webpack3.11) and koa2webpack3.11 of the React Project Because of the need for Web SEO, we need to transform the previous React project into server rendering. After some investigation and research, we have consulted a lot of Internet information. Step into the trap. Selection idea: Implement server rendering. If you want to use the latest React version and do not make major changes to

Bytes. Understanding the content of coordinate transformation, even if it truly enters the wonderful 3D world. 　　1. display of 3D objects in OpenGL (1) Coordinate System In the real world, all objects have three-dimensional characteristics, but the computer itself can only process numbers and display two-dimensional images. The only link connecting three-dimensional objects and two-dimensional data is coordinates. To digitize the displayed 3D object,

The transformation between viewing and modeling is closely related to the camera to place the tripod and adjust the position and angle of the object to be photographed. Usually, these two transformations are defined using a modelview transformation matrix. For the same coordinate transformation, you can use different methods to imagine this

the elements for creating windows. After the Windows coordinate system is determined, the coordinate tone of the entire window is determined. However, the user coordinate system belongs to each Graphic Element. As long as the coordinate transformation is performed on the image, a new user coordinate system is created. All coordinates and dimensions of the element use the new user coordinate system. Simply put: The Window coordinate system describes t

coordinate transformation is the basis of a deep understanding of the three-dimensional world, very important. The first part of this study is to understand several concepts: viewpoint Transformation, model transformation, projection transformation, viewport transformation.

Http://blog168.chinaunix.net/space.php? Uid = 20221192 Do = Blog id = 278899 Some netizens wrote to me hoping to understand the specific derivation process from the world space to the camera space transformation matrix in the fixed assembly line. In fact, I have explained how to use the camera transform as an example of using the basic theory in vector ry 6, but it may not be specific enough. In this article, I will try my best to explain the entir

Examples on the official website JSON-lib is a Java class package used to convert beans, maps, and XML into JSON and convert JSON back to bean and dynabean.: Http://json-lib.sourceforge.net/The third-party package is also required:Org. Apache. commons (version 3.2 or later)Org. Apache. oroNet. SF. ezmorph (ezmorph-1.0.

Original: JSON string converted to JSON object, JSON object converted to string, value converted to string, string to valueMain content:I. JSON-related conceptsSecond, JSON string converted to JSON object (String-->

The geometric transformation of an image is the spatial geometric transformation of the image pixels without changing the image content. It mainly includes the translation transformation, image transformation, scaling and rotation of the image. This article first introduces some basic concepts of image geometric

1. Dynamic projection (ArcMap) The so-called dynamic projection refers to the spatial reference of Data In ArcMap or the coordinate system is the coordinate system of the file first loaded to the current workspace by default, and then the added Data, if it is different from the coordinate system of the current workspace, ArcMap automatically performs a projection transformation and converts the added data projection to the current coordinate system! H

Json (JavaScript Object Notation) JavaScript objects notationJSON is a strict subset of JavaScript, using some of the schema classes in JavaScript to represent structured data, because JSON is passed directly to Eavl (), and is no more than creating DOM objectsSyntax for 1,json: Number (integer or floating point) String (in double quotes) Logical