CN101834856B - High-immersion virtual travel roaming interaction method and system - Google Patents
High-immersion virtual travel roaming interaction method and system Download PDFInfo
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- CN101834856B CN101834856B CN2010101505486A CN201010150548A CN101834856B CN 101834856 B CN101834856 B CN 101834856B CN 2010101505486 A CN2010101505486 A CN 2010101505486A CN 201010150548 A CN201010150548 A CN 201010150548A CN 101834856 B CN101834856 B CN 101834856B
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Abstract
The invention discloses high-immersion virtual travel roaming interaction method and system. The method comprises the steps of: 1, prereading one part of files from a file library to be stored in a buffer by a service end; 2, sending browsing request commands to the server end by a plurality of client ends of an access server through respective triggered interaction events, sequentially receiving and analyzing each request command to compress corresponding files by the server end according to a time sequence of triggering the interaction files and sending the compressed files to all client ends; and 3, sequentially decoding the received compressed files by all the client ends, rendering the decoded files, storing an image generated by the rendering into an image data buffer and displaying to a user. A high-immersion image is rendered, thus a high-immersion picture is provided for the user, and the user obtains an interest of completely immersing the travel.
Description
Technical field
The present invention relates to a kind of virtual roaming interactive display technology, relate in particular to a kind of high-immersion virtual travel roaming interaction method.
Background technology
Much human is liked tourism, and people can loosen mood in playing, and cultivates one's taste, and hand over and know friend, but because factors such as time, region, economy, muscle power, the tourism hope of much human can't realize.Along with networks development, virtual tourism provides a kind of new mode of tourism for people.Most of virtual tour systems are just introduced some relevant informations of tourist attractions through some literal, picture or video, and lack interactivity, and the user is difficult to enjoy those obtainable visual enjoyment of institute and interactive enjoyment in actual tourism process.
Summary of the invention
The invention provides a kind of high-immersion virtual travel roaming interaction method,, strengthened user's feeling of immersion greatly on the one hand through utilizing the high realism image to play up; On the other hand, the active user that user interaction unit will be visited same network address shows, and makes user's instant chat of same tourism interest, has strengthened user's mutual sense greatly.
A kind of high-immersion virtual travel roaming interaction method comprises:
(1) server end is read partial document in advance and is deposited in the buffer memory from library;
Deposit the information such as scene picture that can supply the client to browse in the library.
(2) the plurality of client end of access server sends the browse request order through each self-triggering alternative events to server end simultaneously; Server end is according to the time sequencing that triggers alternative events; Successively to each request command receive, resolve command and judge whether there is corresponding document in the buffer memory; If have, then directly it is compressed and be sent to all clients; If do not have, then from database, read file, compress then, be sent to all clients;
(3) all clients are decoded to the file of the compression that receives successively, and decoded file is played up, and play up to generate view data and deposit in the view data buffer memory and be shown to the user.
In the step (3); Which kind of alternative events what no matter the active user triggered is; Promptly no matter which scene its requirement browses; Server end all can be sent to the active user with visiting the pairing file of alternative events that all clients of this server trigger simultaneously, and the existing own requirement of the information that the active user browsed to is browsed, and also has other customer requirements to browse.Comprise that information such as whether online other users all are transparent.
When client is shown to all users with view data in the step (3), show that also this view data is the request of being initiated by which client.Like this user side both can have been browsed the view data of other user side requests, can know that also the view data of being browsed is the request of being initiated by which client.
Any client login or when publishing server end is so server end is all with its login or publish other clients of state notifying.
In order to realize the inventive method, the present invention also provides a kind of high-immersion virtual travel roaming interaction system, comprises through the Network Transmission unit and carries out mutual server end and client;
Described server end is provided with:
File management unit is used for the file of browsing according to the browse request reading requirement that client is sent;
Image encoder is used for the file that file management unit reads is compressed;
Data Management Unit is used to add up the number of the information that client number and client send;
The interactive information administrative unit is used to receive, coordinate and manage the interactive request of each client, and the file after the compression is sent to client through the Network Transmission unit;
Described client is provided with:
User interaction unit is used for sending browse request to server end, and the file of accepting the transmission of server;
Image decoder is used for the file of the transmission of server is decoded;
The 3 d rendering engine unit is used for decoded file is played up, and plays up the back and shows through user interface.
Client is sent browse request through the Network Transmission unit to server end, behind the server end reception request command, and the file of browsing by the file management unit reading requirement; Send to client through the image encoder compression through the Network Transmission unit; Client is decoded to compressing image data through the picture decoding unit, plays up through the 3 d rendering engine unit, shows through user interface; User interaction unit receives alternative events; Send interactive request to server end, the interactive information administrative unit of server end is accepted interactive request, coordinates and manages the interactive request of each client.
Wherein, described image decoder is provided with the RLE encoder; Described Data Management Unit statistics client's the number and the number of the information of all clients transmissions, and show; Data communication between described interactive information administrative unit unit charge server end and client, the client; Transit server is passed through in data communication between the client; As when rolling off the production line on one of them client; This client announcement server end, server end are again with other clients of message informing; Described 3 d rendering engine unit has monitor function, can add according to the information that server end is sent and perhaps delete model information; Described file management unit and 3 d rendering engine unit have all adopted cache way, have saved memory consumption, have also avoided repeating to play up simultaneously.
The present invention plays up through utilizing the high realism image, for the user provides the picture of high realism, through user interaction unit is set; The user of the same network address of visit is shown with the form of three dimensional character; These users often have identical tourism interest, and through online chatting function and interactive mode that system provides, these users can further exchange; Express own view or experience in real time to tourist attractions; And then tissue has the user of common idea to arrive sight spot tourism on the spot easily, has improved the interactive of virtual tourism greatly, makes the user be able to be immersed in fully in the middle of the enjoyment of tourism.In addition, the framework of whole system is subdivision design, accomplishes high cohesion and the low coupling between the unit the unit in, and each Elementary Function is divided the work relatively independent.Can load and remove some functional unit easily in the system, have the configurability of height.
Description of drawings
Fig. 1 is the structured flowchart of high-immersion virtual travel roaming interaction of the present invention system.
Embodiment
As shown in Figure 1, high-immersion virtual travel roaming interaction of the present invention system comprises that server end is provided with Data Management Unit, file management unit, interactive information administrative unit, image encoder through Network Transmission unit mutual server end and client; Client is provided with Network Transmission unit, 3 d rendering engine unit, image decoder and user interaction unit; Client is sent browse request through the Network Transmission unit to server end, behind the server end reception request command, and the file of browsing by the file management unit reading requirement; Send to client through image encoder through the Network Transmission unit; Client is decoded to compressing image data through image decoder, plays up through the 3 d rendering engine unit, shows through user interface; User interaction unit receives alternative events; Send interactive request to server end, the interactive information administrative unit of server end is accepted interactive request, coordinates and manages the interactive request of each client.
File management unit receives the user when browsing the request of certain file in system; This unit is responsible for reading corresponding file from library; The I/O operation that comprises owing to this unit is the bottleneck that improves system response time, and therefore reading also in advance in this unit employing, the mechanism of buffer memory partial document is optimized.
Server end is responsible for being linked with a plurality of clients, and and each client between carry out the transmission of data.Which kind of alternative events what no matter the active user triggered is; Server end all can be sent to the active user with the pairing file of alternative events of visiting all clients' triggerings of this server simultaneously; The information that the active user browsed to is existing oneself to be required to browse, and also has other customer requirements to browse.Comprise that information such as whether online other users all are transparent.
Server end is added up the number of client's number with the information of all clients transmissions simultaneously, and shows.When receiving the information that client sends, like user's going on line or off line, the user opens and closes certain webpage etc., and server end is presented at these information in the list box, and according to some information of state real-time release of client computer.Also to send to every other client turner program to the information of the some clients that receive simultaneously, realize that the network information is synchronous.Database adopts SQLServer2000, and data dictionary is as shown in the table:
The Users table:
| The row name | Data type | Length | Allow empty | Remarks |
| UserId | varchar | 50 | ID | |
| UserPassword | varchar | 50 | √ | User cipher |
| UserName | varchar | 50 | √ | Address name |
| UserChars | int | 4 | √ | User's head portrait |
| UserNote | varchar | 50 | √ | Remark information |
The UserLocation table:
| The row name | Data type | Length | Allow empty | Remarks |
| UserId | varchar | 50 | ID | |
| Location | varchar | 255 | URL |
The high range image information that image decoder is bigger with data volume adopts the RLE compression mechanism to carry out processed compressed, and the data format that obtains suitable Network Transmission is played up to send to client.
The 3 d rendering engine unit; The three dimensional character model file that reads in internal memory and the high range image file behind the image decoder decompress(ion) resolved and generate directly to play up the contextual data of work, at present the model file of the compatible VRML format standard of render engine.This unit asks information such as visual angle that the back browses according to the user and distance to play up generation high realism view data receiving user that client sends.In order to improve system effectiveness, also the view data at some visual angle of user capture is carried out buffer memory and be convenient to repeated accesses.
The Network Transmission unit, the data communication in the responsible system between server end and client comprises user interactive data and images displayed information.This unit need cooperate image compression unit to realize gradual image data transmission pattern, can transmit the flow data in this compression scheme.Has strategy according to the transmission of network delay and user interactions frequency determination data (order of transfer of data with abandon transmission) simultaneously.
Alternative events of user interaction unit monitoring users (interactive action that comprises the moving of viewpoint, three-dimensional personage) and from the new alternative events of server end generate corresponding request msg and send to the 3 d rendering engine unit.Whether whether whether the corresponding rendering result image of the viewpoint of 3 d rendering engine unit judges request be present in the view data buffer memory and have new network personage to occur, play up again with decision.This unit also is responsible in client the view data of the some of user capture being preserved reprocessing and the transmission of avoiding data as buffer memory to a certain extent.
Customer end adopted IE BHO plug-in unit, user interaction unit are responsible for receiving the website information that user that IE BHO monitors browses, and send to server end; Accept the notice that server end sends over.Simultaneously the user profile of identical network address and relevant three dimensional character model are sent to client.When client receives certain user that service weapon end sends over when closing the notice of certain webpage, close corresponding user.The user double-clicks incarnation can eject chat conversations frame live chat.IE BHO is responsible for monitoring IE action in real time; Open, close webpage etc. like the user, and with the form of message relevant information is sent to user interaction unit, user interaction unit sends to server end with these user interactions incidents through network communication unit; Server end is in charge of these information; Feed back to client, make the client of the same network address of visit all played up out, realize roaming interaction through means such as literal, sound with the form of three dimensional character.
Claims (1)
1. a high-immersion virtual travel roaming interaction method is characterized in that, may further comprise the steps:
(1) server end is read partial document in advance and is deposited in the buffer memory from library;
(2) the plurality of client end of access server sends the browse request order through each self-triggering alternative events to server end simultaneously; Server end is according to the time sequencing that triggers alternative events; Successively to each request command receive, resolve command and judge whether there is corresponding document in the buffer memory; If have, then directly it is compressed and be sent to all clients; If do not have, then from database, read file, compress then, be sent to all clients;
(3) all clients are decoded to the file of the compression that receives successively; Decoded file is played up; Play up and generate view data and deposit in the view data buffer memory and be shown to the user, also show that this view data is the request of being initiated by which client simultaneously;
Any client login or when publishing server end, server end are all with its login or publish the every other client of state notifying.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101505486A CN101834856B (en) | 2010-04-19 | 2010-04-19 | High-immersion virtual travel roaming interaction method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101505486A CN101834856B (en) | 2010-04-19 | 2010-04-19 | High-immersion virtual travel roaming interaction method and system |
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| CN101834856A CN101834856A (en) | 2010-09-15 |
| CN101834856B true CN101834856B (en) | 2012-11-07 |
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| CN2010101505486A Expired - Fee Related CN101834856B (en) | 2010-04-19 | 2010-04-19 | High-immersion virtual travel roaming interaction method and system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101850179B1 (en) * | 2012-05-08 | 2018-04-18 | 노키아 테크놀로지스 오와이 | Method and apparatus for providing immersive interaction via everyday devices |
| CN102855651B (en) * | 2012-07-31 | 2018-05-01 | 深圳市赛格导航科技股份有限公司 | Method seen by personage's walking is simulated in a kind of threedimensional model |
| CN103888788A (en) * | 2012-12-20 | 2014-06-25 | 中山大学深圳研究院 | Virtual tourism service system based on bidirectional set top box and realization method thereof |
| CN106294428A (en) * | 2015-05-27 | 2017-01-04 | 上海虚空网络科技有限公司 | A kind of virtual roaming implementation method |
| CN109388448B (en) * | 2017-08-09 | 2020-08-04 | 京东方科技集团股份有限公司 | Image display method, display system, and computer-readable storage medium |
| CN108415563A (en) * | 2017-12-27 | 2018-08-17 | 广东鸿威国际会展集团有限公司 | Immersion three-dimensional display system and method |
| CN109918578A (en) * | 2019-01-21 | 2019-06-21 | 广东康云科技有限公司 | A kind of intelligent browsing method and system applied to literary trip |
| CN110322526A (en) * | 2019-07-05 | 2019-10-11 | 武汉魅客科技有限公司 | A kind of real-time three-dimensional interactive rendering method based on cloud architecture |
Citations (2)
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| CN1845177A (en) * | 2006-05-17 | 2006-10-11 | 浙江大学 | Three-dimensional remote rendering system and method based on image transmission |
| CN101256590A (en) * | 2008-04-03 | 2008-09-03 | 北京艺龙天地文化传播有限公司 | Simulation system for three-dimensional on-line virtual reality of environment combining with WebGis and method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845177A (en) * | 2006-05-17 | 2006-10-11 | 浙江大学 | Three-dimensional remote rendering system and method based on image transmission |
| CN101256590A (en) * | 2008-04-03 | 2008-09-03 | 北京艺龙天地文化传播有限公司 | Simulation system for three-dimensional on-line virtual reality of environment combining with WebGis and method thereof |
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| 郭洋等.基于网络流的巨型模型渲染系统.《江南大学学报（自然科学版）》.2006,第5卷(第6期),第635-639页. * |
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