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the pixel format RGB565, the most common format for mobile devices ). For example, 320 × 240, which is a typical simulator size.When an image with a resolution of 320x240 needs to be scaled to the tablet size (1024x768) or any other device with the same screen, we can use software simulation to scale, but it will be slow and intolerable. To scale in a hybrid mode, you need to create an OpenGL ES texture and render the image (320x240) to the GL quadri

Implementation of the prototype milestone 0.0.1 based on OpenGL (es) of cldc1 and midp2 You can set the health cycle to 4628 As you can see from the output, you know that this is not a trick to change the 3-angle type. All the incoming coordinates are transformed by the complete modelview, projection, clipping, and viewport transformations. (Nothing else has been done) Inefficient. First, the code is prototype, without any optimization, followed

Common OpenGL ES APIs: Gl_triangle_strip: continuous triangle drawing Gl_triangle_fan: triangular slice Glclearcolor (0.f, 0.f, 0.f, 1.f); // set the background color of the mode window. The color is the rgba value. Glviewport (0, 0, iscreenwidth, iscreenheight); // you can specify the size and position of the view. The view is the area where the image is finally displayed on the screen. The first two parameters are the position of the view, the

This is a document I have uploaded from http://seya.javaeye.com/blog/542343. it is quite useful! Common OpenGL ES APIs: Glclearcolor (0.f, 0.f, 0.f, 1.f); // set the background color of the mode window. The color is the rgba value. Glviewport (0, 0, iscreenwidth, iscreenheight); // you can specify the size and position of the view, View: that is, the area where the image is finally displayed to the screen. The first two parameters are the position

Environment Centos 7.4 Python 2.7 PIP 2.7 Mysql-python 1.2.5 Elasticsearc 6.3.1 Elasitcsearch6.3.2 Knowledge points Calling the Python Elasticsearh API Python MYSQLDB Use DSL Query and Aggregation Pyehon list Operations Code#!/usr/bin/env python#-*-coding:utf-8-*-#minyt 2018.9.1# Get the number of modules that occur within 24 hours # The program obtains the relevant refinement data through the Elasticsearch Python client. You can calculate the

Org.elasticsearch.common.unit.TimeValue;Import Org.elasticsearch.common.xcontent.XContentBuilder;Import Org.elasticsearch.common.xcontent.XContentFactory;Import java.net.InetAddress;Import java.net.InetSocketAddress;Import java.net.UnknownHostException;Import Java.util.HashMap;Import java.util.List;Import Java.util.Map;Import Java.util.concurrent.TimeUnit;/*** Created by Zhuzhiqiang on 2018/7/28.*/public class Esutile {static Transportclient client;Private Indexrequest source;static {mapMap.put

#pip Install Elasticsearch fromDatetimeImportdatetime fromElasticsearchImportelasticsearches_servers= [{ "Host":"10.10.6.225", "Port":"9200"}]es=Elasticsearch (es_servers) Doc= { 'author':'Kimchy', 'text':'elasticsearch:cool. Bonsai cool.', 'timestamp': DateTime.Now (),}res= Es.index (index="Test-index", doc_type='Tweet', Id=1, body=doc)Print(res) Res= Es.get (index="Test-index", doc_type='Tweet', id=1)Print(res['_source']) Es.indices.r

Http://blog.sina.com.cn/s/blog_6ca8ed170100qjvd.html Es Stream (Elementary stream, basic stream): A stream of digital TV components that directly represent the content of a basic element, including continuous streams of video, audio, or data. PES stream (paketized Elementary Stream, Package basic stream): is the basic stream es stream according to the need to be divided into the length of the packet, an

Slid. esIt provides a simple way to create online slides and presentations, allowing you to make exquisite online presentations through several simple steps. Based on HTML5 and CSS3, the best effect is available in modern browsers.Articles you may be interested in Verlet-js: Awesome open-source JavaScript physical engine recommendation JQuery. mmenu-smooth menu for mobile Web projects Ratchet-amazing iPhone app prototyping framework Transit-ultra-smooth CSS transition and transform ani

The square shown in the previous example is white, which is not very attractive. This article describes how to add colors to mesh. OpenGL ES uses color as the well-known rgba mode (red, green, blue, transparency ). The definition of color usually uses the hex format 0xff00ff or the decimal format (255, 0, 255), but uses 0 in OpenGL... A floating point between 1. 0 is 0, 1 is equivalent to 255 (0xff ). The simplest coloring method is vertxt coloring. Y

assume that the order is 0, then leadingzerobits = 5, codenum (first_mb_in_slice) = 2exp (5)-2exp (0) + 10011 (2 hexadecimal) = 32-1 + 19 = 50 P frame: As shown in: 9A 00 = 1001 1010 0000 assuming the order is 0, then leadingzerobits = 0, codenum (first_mb_in_slice) = 1-1 + 0 = 0 03 29 = 0000 0011 0010 1001 assume that the order is 0, then leadingzerobits = 6, codenum (first_mb_in_slice) = 2exp (6)-2exp (0) + 100101 (2 hexadecimal) = 64-1 + 37= 100 I hope it will be helpful to you. For detail

Declaration must be consistent between vertex and fragment shader. Application cannot use this variable. The following is an example: // Vertex shaderUniform mat4 u_matviewprojection;Attribute vec4 a_position;Attribute vec2 a_texcoord0;Varying vec2 v_texcoord; // varying in vertex shaderVoid main (void){Gl_position = u_matviewprojection * a_position;V_texcoord = a_texcoord0;} // Fragment shaderPrecision mediump float;Varying vec2 v_texcoord; // varying in fragment shaderUniform sampler2d s_base

OpenGL ES 06-3D coordinates of Objects So far, we have made a good description of 2D objects. It's time to start creating 3D objects. Although we don't need too many changes, they need more vertices (if you create and use vertex arrays) or more coordinate transformations, if you want to use multiple planes to create a cube. Maybe I should introduce vertices and wires first, but so far we have introduced some texture ing Rectangles and colored triangl

In the OpenGL ES environment, the projection and camera views show objects closer to what people see with the naked eye. This simulation technology is achieved by precisely performing mathematical transformations on the coordinates of the drawn objects. Projection: this transformation adjusts the coordinates of the drawn object based on the width and height of the GLSurfaceView. Without this transformation, the object will be distorted by views with

} }}Regular expression QueryQuery performance depends on regular expression{" query": {"regexp": {" title": { "value": "Cr.m[ae]", "Boost": 10.0 } }}Boolean query (combined query){"Query": {"bool": {"must": {"term ": { "title": "Crime" } }, "should": { ' Range ': { ' year ': {' from ': 1900, ' to ': ' + '}}

ES system Encapsulation Tutorial Premium Advanced Edition, provides my own package of Wind7 x86x64 and XP three versions of the system download. This tutorial is not for people without foundation, and to learn from scratch, I recommend a few basic tutorials.1. Create a package-appropriate virtual machine using VMware player2. using easy Sysprep v4 to encapsulate Windows XP Essentials3. using Easy Sysprep v4 Package Windows 7I will provide all the to

1. Find the most common hobbies for all employees:Get/megacorp/employee/_search {"Aggs": {"all_interests": {"Terms": {"field": "Interes ts "}}}}We can see two employees who are interested in music, one like Lin, the other is sports.2. Find the largest interests of employees whose surname is Smith:get/megacorp/employee/_search{ "Query":{ "Match":{ "last_name": "Smith" }}, "Aggs":{ "All_interests":{ #all_ Interests aggregation has become a document that only contains the matching query stateme

; +m[12]=0f; -m[13]=0f; +m[15]=0f; A}This is just an implementation of a simple perspective matrix, near and far between -1~-10, and the observation vertices are outside the screen, not inside the screen.View the effect of the perspective by adding a cube rotation:But because of the front view, the initialized views are less obvious:This is caused by the order of the vertex data I have defined, and it is natural that when the lines are drawn together in the back line (that is, the edge line), th

method to join the binding data:@Override Public void ondrawframe (GL10 gl) { glclear (gl_color_buffer_bit); GLUNIFORMMATRIX4FV (Umatrixlocation,1,false, projectionmatrix,0); gluniform4f (ucolorlocation,1.0f,1.0f,0.0f,1.0f); Gldrawarrays (Gl_triangle_strip,0,8); gluniform4f (ucolorlocation,0.0f,1.0f,1.0f,1.0f); Gldrawarrays (Gl_triangle_strip,8,8); }This is a drawing cube program, which is displayed at the beginning of the drawing:After adding t

This paper mainly discusses the algorithm to extend the line into 2d line surface.It's easy to extend the P0P1 line into a polygon.vec2f line = P1-p0vec2f normal = vec2f (-line.y, line.x). Normalized () .vec2f A = p0-thickness * normal;vec2f B = p0 + thickness * normal;vec2f c = p1-thickness * normal;vec2f d = p1 + thickness * normal;If this is a straight line, but if there is a polyline, we also need to calculate the intersection point whereFirst we'll find out tvec2fT= ((P2-P1). Normalized ()