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Description: 在CAD中，用分段三次B样条来表达自由曲线是很理想的，为此，采用三次B样条曲线来拟合这条折线. ... 其中， 3d.gif (1661 bytes) ，确定了系数a、b、c，相应地就确定了拟合函数. 3)确定型值点求出拟合函数后，取点Pk((1/2)l，yp)作为型值点. ...
-in CAD, and cubic B-spline curves to the freedom of expression would be the ideal, for cubic B-spline curve fitting of the dogleg. them .... 3d.gif (1661 bytes), to determine the coefficients a, b, c, corresponding to determine a fitting function. 3) to determine the value was calculated - fitting function, collocation Pk ((1 / 2) l, yp) as the data points. ...
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Author: qingqiu |
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Description: （利用GIF_LZW算法实现的）网络图片传输 技术特点 ~~~~~~~~ 一、使用TCP协议传输数据。理由：稳定性好。 二、使用字节数据流进行传输，理由： A:VB的String存在自动Unicode转换问题，影响速度； B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。 三、使用GIF-LZW压缩算法压缩图像。理由： A:行程编码、Huffman压缩算法压缩率太低； B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现； C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。 四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-(using GIF_LZW algorithm) picture transmission network ~~~~~~~~ a technical features, the use of TCP to transmit data. Reason : good stability. Two, the use of byte data stream for transmission, reasons : A : VB String exist automatically Unicode conversion, the impact speed; B : can directly send eight bytes of data and do not need to use Base64 encoding, thereby reducing the coding time. 3, the use of GIF - LZW compression algorithm for image compression. Reason : A : itinerary coding, Huffman compression algorithm compression rate is too low; B : JPEG compression algorithm needs much-bit computing, and large amount of computation (with MMX specialized optimization algorithm), is not conducive to VB; C : GIF - LZW compression algorithm compression ratio better, and I have come up with un
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Size: 62518 |
Author: 房 |
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Description: （利用GIF_LZW算法实现的）网络图片传输 技术特点 ~~~~~~~~ 一、使用TCP协议传输数据。理由：稳定性好。 二、使用字节数据流进行传输，理由： A:VB的String存在自动Unicode转换问题，影响速度； B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。 三、使用GIF-LZW压缩算法压缩图像。理由： A:行程编码、Huffman压缩算法压缩率太低； B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现； C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。 四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-(using GIF_LZW algorithm) picture transmission network ~~~~~~~~ a technical features, the use of TCP to transmit data. Reason : good stability. Two, the use of byte data stream for transmission, reasons : A : VB String exist automatically Unicode conversion, the impact speed; B : can directly send eight bytes of data and do not need to use Base64 encoding, thereby reducing the coding time. 3, the use of GIF- LZW compression algorithm for image compression. Reason : A : itinerary coding, Huffman compression algorithm compression rate is too low; B : JPEG compression algorithm needs much-bit computing, and large amount of computation (with MMX specialized optimization algorithm), is not conducive to VB; C : GIF- LZW compression algorithm compression ratio better, and I have come up with un
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Author: 房 |
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Description: MapEasy is a web mapping client api which has an alogy with Google Map Api. It helps to build a map-based application easily.
Based on Javascript and AJAX technology, MapEasy will work on most modern browsers (Firefox 1.0+, Internet Explorer 6.0+) using simple Javascript calls. Independent from the concrete GIS technology and specification, MapEasy allows you to request maps as rendered images (normally JPEG,PNG or GIF), and fufills the normal GIS functions such as locating, zooming, and marking...
Key Features:
open source
pure javascript application
easy to use
API is similar to google map api
decouple the map view and the data service. independant from the specifical map data service
self define Plane Coordinate system(not available yet)
customisable and easy to extend
support IE6, Firefox/Mozilla, Opera(not available on Opera yet)
support Latitude/Longitude Coordinate System
-MapEasy is a web mapping client api which has an alogy with Google Map Api. It helps to build a map-based application easily.Based on Javascript and AJAX technology, MapEasy will work on most modern browsers (Firefox 1.0+, Internet Explorer 6.02 B!) using simple Javascript calls. Independent from the concrete GIS technology and specification, MapEasy allows you to request maps as rendered images (normally JPEG, PNG or GIF), and fufills the normal GIS functions such as locating, zooming, and marking. .. Key Features: open source pure javascript application easy to use API is similar to google map api decouple the map view and the data service. independant from the specifical map data service self define Plane Coordinate system (not available yet) customisable and easy to extend support IE6, Firefox/Mozilla, Opera (not available on Opera yet) support Latitude/Longitude Coordinate System
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Size: 96256 |
Author: tim.wu |
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Description: gif to bmp conversion
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Size: 1613824 |
Author: atul |
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Description: 一、使用TCP协议传输数据。理由：稳定性好。
二、使用字节数据流进行传输，理由：
A:VB的String存在自动Unicode转换问题，影响速度；
B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。
三、使用GIF-LZW压缩算法压缩图像。理由：
A:行程编码、Huffman压缩算法压缩率太低；
B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现；
C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。
四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-First, use the TCP protocol to transmit data. Reason: better stability.
Two, the use of byte data stream for transmission, the reasons:
A: VB s String existence automatic Unicode conversion question, effects of speed
B: can directly send 8-bit byte data, Does not need to use Base64 encoding, thereby reducing the encoding time.
Three, the use of GIF-LZW compression algorithm for image compression. Rationale:
A: Run-Length Coding, Huffman compression algorithm compression ratio is too low
B: JPEG compression algorithm required too many bit computing, and computing a large quantity (MMX has specialized optimization algorithm), VB is not conducive to implementation
C: GIF-LZW compression algorithm compression ratio is better, and I have come up with efficient under VB grammar GIF-LZW compression/decompression algorithm.
Four, use the "orderly jitter" algorithm for color quantization. Rationale: "orderly jitter" must deal with the results of reg
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Author: whoamixp |
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Description: 能够打开png，jpeg，bmp，gif图像格式能在VC6.0上运行，经过我亲手调试~！-It can be used in VC6.0 to open the picture type of png,jpeg,bmp and gif~！I have test by myself excectly~!
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Size: 4840448 |
Author: 林礼挺 |
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Description: From: http://clootie.narod.ru/delphi/download_custom.html
GifBlender2 sample
This sample is sequel to "GifBlender" sample, below you can find list of changes:
GIF s are rendered by blending two nearest frames of GIF animation on multitexture capable hardware
3 different texture pipeline setups tested for best quality rendering result: (a) simplest NVIDIA TNT class, (b) Matrox G400 class, (c) NVIDIA GeForce, ATi Radeon - 3 stage setup.
GIF handling/rendering moved to separate portable between applications Delphi class
Usage of Ander s Melander TGifImage component is reduced to loading stage - animation frames loaded to Direct3D textures, timing info retrieved to internal data structure. All rendering and timing after that is handled by TD3D8GifImage class.
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Size: 121856 |
Author: hfTam |
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Description: 实现图片A到图片B的平滑变化，输出gif格式图片-A B pictures to the picture to achieve a smooth change in output gif format picture
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Size: 8633344 |
Author: Cromy |
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Description: 本系统是一款配合实体图书馆的查询，借阅，和管理图书的系统，具体有如下需求功能：
a) 必须持有借书卡的用户才能借书，可以归还图书，如果超期要显示罚款，缴纳罚款处理后，才允许继续借书。
b) 所有用户都可以在网页上搜索图书，显示在网页上的图书要有详细信息
c) 系统提供即将到期提醒，当某用户的某本书即将到期时，系统提醒用户。
d) 图书管理员可以添加图书，修改图书，删除图书等，可以进行图书进货，图书报废处理。
e) 系统管理员可以添加用户，为用户分配借书卡号，设置默认密码；可以删除用户。
f) 用户以借书卡考号和密码可以登录读者信息系统，读者信息系统中显示该用户的图书借阅历史，目前在借图书；用户可以在这里对某本图书进行预约，可以在这里续借图书（续借最长时间为1个月）；这里可以显示该用户已有的图书预约信息；可以显示用户的基本信息。用户可以对自己的基本信息进行修改
-This system is a section of library with entities, lending, and management query book system, specific has the following demand function:
A) must library card holders books, users can give back books, if extended to show fine, pay the fine processing is allowed to continue to borrow, after.
B) all the user can search on the web page book, as shown in the book should have page detailed information
C) the system to provide expiring reminds, when a user s a book is about to expire, the system reminds users.
D) the librarian can add, delete, modify library books, books can be books replenish onr s stock, book scrap processing.
E) system administrators can add user for users distribution card number, setting default password books Can remove users.
F) user to test number and password library CARDS can login readers information system, readers information system shows that the user s library history, current in borrow books Users can here to make an appointment fo
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Size: 752640 |
Author: 倪雯雯 |
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Description: （利用GIF_LZW算法实现的）网络图片传输
一、使用TCP协议传输数据。理由：稳定性好。
二、使用字节数据流进行传输，理由：
A:VB的String存在自动Unicode转换问题，影响速度；
B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。
三、使用GIF-LZW压缩算法压缩图像。理由：
A:行程编码、Huffman压缩算法压缩率太低；
B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现；
C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。
四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-(Using GIF_LZW algorithm) network picture transmission one, use the TCP protocol to transfer data. Reasons: good stability. Second, the use of byte data stream for transmission reasons: A: VB' s String automatic Unicode conversion problem exists, impact speed B: You can directly send 8 bytes of data, do not need to use Base64 encoding, thereby reducing the encoding time. Third, the use of GIF-LZW compression algorithm to compress the image. Rationale: A: run-length encoding, Huffman compression algorithm compression rate is too low : JPEG compression algorithm requires too many bit operations, and the large amount of computation (specifically MMX optimization algorithm), and not conducive to the realization of VB C: GIF-LZW compression algorithm The compression ratio is better, and I have come up with the VB syntax efficient GIF-LZW compression/decompression algorithm. Ordered dithering algorithm for color quantization. The reason: " ordered dithering" the results of trea
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Author: 霍小刘 |
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Description: 为网站添加可以设置LOGO二维码的方法<img src= http://m1000000.com/168?s=256&x=q&t=gif&b=2&c=003C8A&bg=ffffff&o=http://m1000000.com/images/m1000000.png&p=5&a=1&e=0&m=http://m1000000.com/ />
-------------就一行img代码，放到你网站需要的地方去，看参数调整你的LOGO，和二维码的内容数据-LOGO can be set for the site to add two-dimensional code method
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Size: 2048 |
Author: chenrui |
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