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基于OpenGL的场景管理、三维交互与用户界面设计

林锐　石教英

摘　要：Intra3D 是基于OpenGL的交互式三维图形软件开发工具，其核心是集成了场景数据结构、图形对象、三维交互算法和图形用户界面的C++类库与COM对象库。着重论述：(1)对象引用计数的内存管理技术；(2)场景节点的三维交互设计；(3)用户界面设计。
关键词：开发工具三维交互用户界面

Date : 2009-01-12 Size : 75.5kb User : hohoyu

[Program doc] arm_jtag_connector DL : 1

Embest IDE Pro for ARM 2005 - User Guide Appendix A JTAG Emulator Hardware Reference Appendix B Debug Output Reference Appendix C Debug Command List Appendix D Memory Map File Appendix E Command Script Reference Appendix F Additional Software Tools of Embest IDE Appendix G Common questions -Embest IDE Pro for ARM 2005- User Guide Appendix A JTAG Emulator Hardware Reference Appendix B Debug Output Reference Appendix C Debug Command List Appendix D Memory Map File Appendix E Command Script Reference Appendix F Additional Software Tools of Embest IDE Appendix G Common questions
Date : 2011-09-06 Size : 5.01mb User : testsb

[Program doc] spi DL : 0

;################################################ ; Designed by CaoHai 10-23-2002 in SDUWHB ; ; Updated by CaoHai 12-12-2002 in SDUWHB ; ; Upgraded by CaoHai 22-12-2002 in SDUWHB ; ; Upgraded by CaoHai 05-05-2003 in SDUWHB ; ;################################################ ;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ;标号定义 data_len equ 0ch ;温度数据长度 data_buf equ 50h ;温度数据缓冲区 ;虚拟引脚定义(For SPI BUS) vcs equ p1.0 ;片选线 vio equ p1.1 ;数据线 vsc equ p1.2 ;时钟线 ;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ;================================================ ;模块GetData ;参数：无参数 ;功能：用spi总线从LM74温度传感器读取温度数据 ;返回：无 GetData: clr ea clr vcs setb vio mov r1,#08h clr vsc ;读符号位 nop nop nop setb vsc nop nop nop mov f0,vio read_bite: ;读数据 clr vsc nop nop nop setb vsc nop nop nop mov c,vio rlc a djnz r1,read_bite setb vcs ;转换数据 mov data_buf+1,#2bh jnb f0,fill_data dec a cpl a mov data_buf+1,#2bh fill_data: mov data_buf+2,#30h mov data_buf+3,#30h mov data_buf+4,#30h mov data_buf+5,#0a1h mov data_buf+6,#0e6h mov data_buf+7,#3bh mov data_buf+8,#20h mov data_buf+9,#30h mov data_buf+10,#30h mov data_buf+11,#31h mov data_buf+12,#7ch mov r0,#data_buf+4 divide_data: mov b,#0ah div ab mov r1,a mov a,b add a,#30h mov @r0,a dec r0 mov a,r1 jnz divide_data mov data_buf,#data_len setb ea ret
Date : 2011-09-20 Size : 2.34kb User : hencirl

[Program doc] guzhou DL : 0

1.软件名称：通讯录V1.0试用版 2.作者：赵权 3.开发工具：Visual C++6.0 4.数据库： Access2000 5.说明： a.本程序在Windows 2000 上调试通过。 b.在使用时先用ODBC注册数据源，数据源名：addresslist(名称不可以写错) c.第一次运行时，密码为空。进入系统后可以修改密码。-1. Software Name : Address V1.0 trial version 2. Author : Zhao right 3. Development tools : Visual C 6.0 4. database : Access 2000 5. Note : a. The procedures in Windows 2000 through debugging. B. the use of registration using ODBC data sources, data sources were : addresslist (name can not be wrong) c. run for the first time, the password is empty. Access to the system can be amended after the password.
Date : 2025-12-21 Size : 79kb User : 贺显田

[Program doc] lundu DL : 0

1．汽车轮渡口，过江渡船每次能载10辆车过江，过江车辆分为客车类和货车类，上渡船有如下规定：同类车先到先上船，客车先于货车上渡船，且每上4辆客车，才允许上一辆货车。若等待客车不足4辆，则从货车代替，若无货车等待允许客车上船。试写一个算法模拟渡口管理。算法设计: 1客车和货车均建立一个链式队列，初始均为空。以后来一辆车不是货车就是客车，因此可以说整个程序的事件驱动event就是这两个,客车表示1，货车表示0. 2轮船还没有到达时客车和货车均按次序排在各自队列中。 3轮船到达时，根据两个队列的情况，分别处理。处理如下： a 客车数不满4辆，则将排在前面的货车上船，但总数不能超过10，若没有货车等待，客车直接上船。 b 客车数满4，但不满8辆，客车先上，排在前面的只有一辆货车可以上船，若没有货车等待则货车不上。 c 客车满8辆但不满10，客车上船，排在前面的货车最多可以上2辆，但总数不能超过10。 d 客车满10，则全上客车,但总数不能超过10。-ship
Date : 2025-12-21 Size : 1kb User : chenhui

[Program doc] T-REC-G.722.2-200307 DL : 0

ITU-T G.722.2 国际电信联盟G.722.2建议书，2003年7月版。该建议书是语音通讯领域的压缩标准，被GSM，WCDMA，3GPP等采用，题目为16kbit下的宽带语音编码，使用自适应多率宽带编码。内容主要有代数码激励线性预测编码(ACELP)，话音活动检测(VAD)等。-This Recommendation describes the high quality Adaptive Multi-Rate Wideband (AMR-WB) encoder and decoder that is primarily intended for 7 kHz bandwidth speech signals. AMR-WB operates at a multitude of bit rates ranging from 6.6 kbit/s to 23.85 kbit/s. The bit rate may be changed at any 20-ms frame boundary. Annex C includes an integrated C source code software package which contains the implementation of the G.722.2 encoder and decoder and its Annexes A and B and Appendix I. A set of digital test vectors for developers is provided in Annex D. These test vectors are a verification tool providing an indication of success in implementing this codec. G.722.2 AMR-WB is the same codec as the 3GPP AMR-WB. The corresponding 3GPP specifications are TS 26.190 for the speech codec and TS 26.194 for the Voice Activity Detector.
Date : 2025-12-21 Size : 711kb User : 刘涛

[Program doc] Spectral-Efficiency-of-MC-CDMA-Linear-and-Non-Lin DL : 0

This paper analyzed the spectral efficiency (total channel capacity per subband) of randomly-spread synchronous multicarrier code-division multiple-access (MCCDMA) channel subject to frequency-selective fading in the asymptotic regime of number of users and bandwidth going to infinity with a constant ratio for uplink and downlink. The following receivers are analyzed in this paper: a) jointly optimum receiver, b) linear MMSE receiver, c) decorrelator, and d) single-user matched filter.
Date : 2025-12-21 Size : 142kb User : sh3e

[Program doc] ziwanghuafen DL : 0

局域网中对一个具体子网划分,其划分中包括了A类、B类、C类三种网络的具体例子的划分-Subnetting on a specific LAN, the division includes the A Class, B Class, C Class Three specific examples of the division of the network
Date : 2025-12-21 Size : 802kb User : xiao

[Program doc] B.Sc DL : 0

my bsc project on wsn specialy on leach and leach-c protocol
Date : 2025-12-21 Size : 1.66mb User : pedram

[Program doc] leach-b DL : 0

This paper studies LEACH protocol, and puts forward energy-LEACH and multihop-LEACH protocols. Energy-LEACH protocol improves the choice method of the cluster head, makes some nodes which have more residual energy as cluster heads in next round. Multihop-LEACH protocol improves communication mode from single hop to multi-hop between cluster head and sink. Simulation results show that energy-LEACH and multihop-LEACH protocols have better performance than LEACH protocols.
Date : 2025-12-21 Size : 370kb User : ssw83

[Program doc] LgxGrid DL : 0

LgxGrid是一款功能强大的表格（报表）控件，使用这个控件，你可以轻轻松松地为你的应用程序创建各种表格用户界面，大大加快你的开发效率，更好地满足你的客户需求。无论是使用LgxGrid控件开发传统的Windows应用程序，还是开发基于B/S的Web应用程序，都会给你带来意想不到的惊喜! 最新版本新增公式和处理大量数据的功能，打印功能更为完善。 Lgxgrid控件内含详尽的中文帮助文档和C#、VC、VB、ASP.net例程，无论你是初学者还是资深的程序员，Lgxgrid控件都会让你得心应手！ -LgxGrid is a powerful form (report) controls, use this control, you can easily serve your application user interface to create various forms, greatly speed up your development efficiency, to better meet the needs of your customers .
Date : 2025-12-21 Size : 4kb User : 侯一正

[Program doc] Operator-nesting DL : 0

利用条件运算符的嵌套来完成此题：学习成绩>=90分的同学用A表示，60-89分之间的用B表示，　　　60分以下的用C表示。 1.程序分析：(a>b)?a:b这是条件运算符的基本例子。 -Operator nesting
Date : 2025-12-21 Size : 2kb User : 董越玲

[Program doc] tongxinyewuliang DL : 0

通信网中，经过对分析的编程仿真，对爱尔兰B公式以及爱尔兰C公式有了更深的认识，也对通信业务分析的方法也加深了理解，并且利用Matlab GUI 编程验证了算法的正确性。-Communication network, through simulation analysis on programming, Ireland Ireland B formula and the formula C a deeper understanding of methods for the analysis of communication services also deepened the understanding and use of Matlab GUI programming to verify the correctness of the algorithm.
Date : 2025-12-21 Size : 216kb User : LDY

[Program doc] eros DL : 0

用C语言写的一个基本版俄罗斯方块，适合于初学者，有详细说明，简单易懂。-a game named B-Trix writed by c，new learnner can refrence it for help。
Date : 2025-12-21 Size : 3.57mb User : susandidi

[Program doc] 23 DL : 0

摘要：论文提出了一种适用于城市场景下的基于竞争转发的车载 A d h o e网络路由算法，算法摒弃了 H E L L O 消息的使用，利用分布式的竞争策略根据邻居节点所处的地理位置信息进行下一跳节点的选择．数据转发使用选定点路由同时利用了实时的道路交通信息和网络拓扑结构信息进行选定点选择．采取暂存转发策略处理网络分割现象．仿真结果表明该算法比其他类似算法具有更高的数据包递交率和较低的数据延迟．-Ab s t r a c t ： A c o n t e n t i o n- b a s e df o r wa r d i n g r o u t i n g p r o t o c o l f o rVA NET si n c i t y e n v i r o n me n t swa s p r o p o s e d， wh i c h u s i ng d i s — ui b u t e d c o n t en t i o n- b a s e d s t r a t eg y t 0 s e l e c t t h e ne x t ho p b a s e d o n t he p o s i t i o n s o ft he n e i g h b o r n o d e s wi t ho u t HEI IO me s s a g e s ． Th e n ov e l s c he me f o r w a r d s pa c k e t s a l o n g a n a nc h o r- ba s e d p a t h wh i c h i s d e t er mi n e d a c c o r d i n g r e a l t i me t r a f f ic i n f o r ma t i o n a n d t he t o p ol o g y o f t h e n e t wo r k． wi t h t h e i d e a o f“c a r r y a n d f o r w a r d” t o d e a l wi t h p a r t i t i o n e d n e t w o r k s． S i mu l a d o n r e s u l t s ho ws t h a t i t a c h ie v e s s i g n i f ic a nt d e l i v e r y r a t e i mp r o v e me n
Date : 2025-12-21 Size : 571kb User : sunwei

[Program doc] Neural-Network-Data-Fusion-Technolog DL : 0

基于神经网络的传感器网络数据融合技术研究-S e n s o r N e t w o r k B a s e d o n N e u r a l N e t w o r k D a t a F u s i o n T e c h n o l o g y
Date : 2025-12-21 Size : 564kb User : 张三

[Program doc] erlandB-and-erlandC DL : 0

爱尔兰B和爱尔兰C的matlab仿真程序，以及两个程序的对比和应用-Matlab simulation program B Ireland and the Irish C, and the two program comparison and Application
Date : 2025-12-21 Size : 6kb User : 王超

[Program doc] matlab DL : 0

function [out1,out2] = humps(x) HUMPS A function used by QUADDEMO, ZERODEMO and FPLOTDEMO. Y = HUMPS(X) is a function with strong maxima near x = .3 and x = .9. [X,Y] = HUMPS(X) also returns X. With no input arguments, HUMPS uses X = 0:.05:1. Example: plot(humps) See QUADDEMO, ZERODEMO and FPLOTDEMO. Copyright 1984-2014 The MathWorks, Inc. if nargin==0 x = 0:.05:1 end y = 1 ./ ((x-.3).^2 + .01) + 1 ./ ((x-.9).^2 + .04) - 6 if nargout==2, out1 = x out2 = y else out1 = y end qually probable bits, P(0) = P(1) = 0.5. (a) Construct a program to generate 10000 bits with bipolar signaling. (b) Use your program to simulate the bit error performance of the system with Eb/N0 = 0, 2, 4, 6, 8, 10 dB. (c) Compare your simul-function [out1,out2] = humps(x) HUMPS A function used by QUADDEMO, ZERODEMO and FPLOTDEMO. Y = HUMPS(X) is a function with strong maxima near x = .3 and x = .9. [X,Y] = HUMPS(X) also returns X. With no input arguments, HUMPS uses X = 0:.05:1. Example: plot(humps) See QUADDEMO, ZERODEMO and FPLOTDEMO. Copyright 1984-2014 The MathWorks, Inc. if nargin==0 x = 0:.05:1 end y = 1 ./ ((x-.3).^2 + .01) + 1 ./ ((x-.9).^2 + .04) - 6 if nargout==2, out1 = x out2 = y else out1 = y end qually probable bits, P(0) = P(1) = 0.5. (a) Construct a program to generate 10000 bits with bipolar signaling. (b) Use your program to simulate the bit error performance of the system with Eb/N0 = 0, 2, 4, 6, 8, 10 dB. (c) Compare your simul
Date : 2025-12-21 Size : 1kb User : sandeep

[Program doc] DFT DL : 0

基于循环移位图的全相位滤波器本文提出了一种新型的全相位 D盯数字滤波器频率响应的求取方法一循环移位图法 , 它是基于全相位滤波器和原有 F I R 滤波器的相互关系而构造的 , 充分体现了 o F i u r e r 变换的循环移位性质和卷积窗的关系。该方法直观 , 深刻反映了全相位滤波器的内在机理-T i s p a伴 r p e r s e n t s a n o v e l s o l u ti o n t o a c 明i e r h t e f e r 甲 e n e y e r s即 n s e O f a l l一 p ha s e D碑 di i g 回 6 l t e ~ c y l e sh a 6- 9 u e r m e th d o , h w ie h 1 5 e o n s t u r e t e d b a s e d o n h t e e r la ti o n b e tw e e n a l l一 Ph a s e i f l t e r a n d h t e o i r i g n a l n R if lt e r . It e m l x 记ie s h e t e o n c e U二 b e tw e e n D F T ’ 5 e ha e r e t e r O f e y e le s h讯 a n d c o n v o l u t io n 衍 n d o w . M o v e o r e r h t i s m e h t d o 1 5 i n t u i tio n is it e t o e r f l c e t h t e c m e ha n i s m O f a l p h a s e i f l t e r
Date : 2025-12-21 Size : 360kb User : 何家鹏