46 results about "Virtual city" patented technology

Transactions in virtual property, such as virtual display windows of virtual buildings in a three-dimensional virtual city, are supported by a computer system and processing methods that enable selection and leasing or sale of the virtual property according to various business models. In one approach, advertisers or content providers may bid on the right to display content in virtual display windows of a virtual city that can be navigated using a 3D browser. Successful bidders become leaseholders of virtual display windows. Prior to the expiration of a lease term, a leaseholder may renew its lease or convey lease rights to another party, potentially at a profit.

A system and method for providing a functional virtual environment with real time extracted and transplanted images. The system includes hardware and software for providing a multi-dimensional computer generated environment and for receiving a plurality of extracted video images. The system is adapted to transplant the extracted video images into the environment in a manner that preserves the virtual metaphor thereof. In the illustrative embodiment, a realistic virtual city is created in accordance with the Virtual Reality Modeling Language (VRML) protocol. The extracted images are transplanted onto an object in the environment as a texture. In the best mode, the object is invisible. The extracted video images are streamed continuously into the environment such that a live real time interaction is enabled. The environment is networked and the system is adapted to receive multiple simultaneous streams which are transplanted and exported to enable a virtual community. Within the community, users seated in their native environment, appear to walk when navigating due to the unique teaching of the present invention by which a series of stored extracted images of the user walking are transplanted into the environment and replayed for so long as the user is navigating. A separate series is displayed to each person within a predetermined range of the walker that has the walker in his field of view depending on the viewing angle of the observer. A master copy of the environment is stored on a server and downloaded to each client on the network as part of a setup process. Thereafter, local changes in the environment are uploaded to the server and subsequently downloaded to selected clients as updates. The environment will support private areas and the system is adapted to allow extracted video streams within private environments to be sent to each person in the private environment directly, bypassing the server.

An apparatus and method for creating and using a virtual three-dimensional environment, and methods for generating revenue based on the virtual three-dimensional environment. The virtual three-dimensional environment includes a virtual three-dimensional city model which is a realistically accurate city environment including all the details of an actual city. Defined elements within the virtual city model serve to promote corresponding third-party businesses and related entities in the real world. Users interface with the virtual city model to explore the city and learn about or become more familiar with the defined elements within the virtual city model. The virtual three-dimensional city model which is realistically accurate of an environment also facilitates multiple other uses.

A virtual cities server hosts one or more virtual cities, which in turn include one or more virtual environments with which a user interacts, where the one or more virtual environmental are three-dimensional spaces. The one or more virtual cities correspond to one or more physical cities, and virtual environments in turn correspond to physical environments in physical cities, thereby allowing businesses, organizations, and individual to establish virtual presences that correspond to physical presences and conduct transactions and activities that ultimately facilitate physical transactions and activities.

The invention relates to an underground pipe network laying method based on a three-dimensional virtual city, comprising the following steps of: carrying out preprocessing on remote sensing image data, digital elevation model data and three-dimensional building model data to construct a three-dimensional virtual city system; realizing the generation and the management of an underground three-dimensional pipe network model based on pipe point data, pipe well data and two-dimensional pipeline data in the three-dimensional virtual city system; selecting a starting point and a terminal point needing a pipe network according to the underground three-dimensional pipe network model and generating various pipe network laying schemes; carrying out collision processing on the pipe network laying schemes according to relevant specifications and standards, searching pipe network ambient facilities and analyzing the pipe network laying influence factor; carrying out optimization analysis according to the pipe network laying influence factor to obtain an optimum scheme which is suitable for underground pipe network laying, and managing and showing a result in the three-dimensional virtual city system. The invention constructs the three-dimensional virtual city, generates optimization by dynamic modeling and various pipe network laying schemes, realize the laying of a pipe network on dependable basis and provides support for planning underground resources and pipe lines of the city.

The invention discloses a smart city system based on virtual reality, and the system comprises an online service platform system, a user terminal and a background management system, wherein the online service platform system, the user terminal and the background management system are connected with each other. The online service platform system comprises a server, an identity recognition system, a positioning system, a social contact system and an online service system, wherein the identity recognition system, the positioning system, the social contact system and the online service system are connected with each other through the server. A computer simulation system and the cyberspace and cybertime theory are employed, and the real and virtual cities are integrated. The system is a multisource information fusion crossed-type three-dimensional dynamic view and physical behavior system, and enables a user to be immersed in the environment, so as to achieve the high fusion of the virtual reality and the reality. The system is a high application of the virtual reality and reality. The system achieves the networked, electronized and informationized functions of a real city.

The invention provides a method for realizing a three-dimensional virtual city system based on the RIA (rich Internet application) architecture, which is a method of truly representing urban geographic space and environment on the Internet network through virtual three-dimensional visualization. The method comprises: at first, generating a three-dimensional virtual city scene through space data collection, three-dimensional model building, partition rendering and seamless splicing based on the RIA architecture, then creating a three-dimensional tile data set through a computer caching technology, combining a Web server technology and a GIS (geographic information system) server technology on the basis of the three-dimensional tile data set, and developing the three-dimensional virtual city system with map bookmarks, tour queries, map markers, map correction and map advertising functions under supporting of an RIA client platform. The drawing, display and dissemination of the conventional two-dimensional map are changed, reference can be provided for daily life, travel and online affairs of people living in cities, and an interactive channel is provided for propaganda of urban governments, institutions, businesses and enterprises to the public.

The invention relates to a citizen interaction system in city planning, which comprises a planning geographic information management platform, a planning geographic information collecting and updating platform, a planning summarized information database, an information processor, a network transmission unit and an interaction display terminal which are arranged in a server, wherein the planning summarized information database is managed by the planning geographic information management platform and the planning geographic information collecting and updating platform; and the planning summarized information database is connected with the network transmission unit and the interaction display terminal. City planning and design results, planning examination and approval business, tri-dimensional virtual city, city satellite remote sensing information and related multimedia information are integrated into a whole body to build the citizen interaction system in city planning, viewing of the related information of city planning becomes convenient for citizens the real-time inquiry of project status of planning examination and approval can be realized, an electronic original map browsing platform of city design and planning and applying for building is provided, and government information publicity, city planning propaganda, sunlight planning service and planning knowledge popularization are integrally integrated.

The invention discloses a city-class intelligent parking management system based on a big data technology and the internet. The system comprises a static traffic big data processing center, a trinity virtual city parking resource base, an online intelligent parking guidance system and an offline intelligent parking guidance system, the trinity virtual city parking resource base obtains real-time parking space supply data of a parking lot, and for the trinity virtual city parking resource base, on one hand, the parking space supply data is published in real time through the online intelligent parking guidance system and the offline intelligent parking guidance system; on the other hand, real-time parking space information is uploaded to the static traffic big data processing center. According to the city-class intelligent parking management system based on the big data technology and the internet, static traffic data is fully mined, the static traffic parking efficiency can be improved, and the problem of having difficulty in parking and the static traffic big data value playing problem are solved.

The invention provides a correlation method of a 3D virtual world and a real city. The method comprises establishing a 3D virtual city by simulating the real city, and enabling members, who have physical stores in the real city, to apply for creating 3D virtual stores and to establish the 3D virtual stores in positions, which correspond to the physical stores, inside the 3D virtual city to become platform merchant; storing the relevant information of the 3D virtual stores and correlations of the physical stores into a server side. Therefore, consumers can do virtual shopping inside the 3D virtual city through a 3D virtual software platform, achieve offline consumption or ordering through the physical stores or enter the open 3D virtual stores for experience, and after registering as members, achieve online direct consumption or online ordering and offline consumption. The correlation method of the 3D virtual world and the real city can achieve correlation between a virtual world and the real world and meanwhile achieve correlation between human activities in the real world and virtual activities in the 3D virtual world.

The invention discloses a multi-path planning method based on improved particle swarm optimization. The ideas of a greedy algorithm, a genetic algorithm and a simulated annealing algorithm are fused on the basis of the improvement on the particle swarm optimization for solving single-path panning, and the greedy algorithm is used for initializing the particle swarm optimization and an excellent mutation operator and the simulated annealing idea are added. The path calculated are considered as being connected end to end into a ring; for a multi-path problem of the same departure city, N virtual cities the same as the departure city in location are added for calculating N paths, and meeting the virtual city in the path represents returning to the departure city, and in this way, the ring is divided into N paths; for a multi-path problem of different departure cities, no virtual city needs to be added and all the departure cities function as the departure cities. The multi-path planning method is simpler and more universal than the previous methods.

The invention discloses a virtual city model machine and an operation method thereof. The virtual city model machine can statically or dynamically acquire a large amount of information, has interactivity, actual experience and dynamic property, is easy to operate and low in cost, visually and quickly knows land utilization information, city building information, city road and pipe network information, city flowing information and other system dynamic information with flowability factor information relevance, and can simulate the reasonableness, implementation effect and the like of various building layouts before city planning and construction. By the virtual city model machine and the operation method thereof, intelligence is improved, the defect that the effect of a physical model can be achieved only when a large number of human resources, material resources, financial resources and the like are invested in actual construction is overcome, and the conventional city planning and management mode is changed; and the virtual city model machine has high simulation practicability, a short development period, low cost and a wide application range, provides convenience for a user, and is convenient to apply and maintain.

The invention relates to a utility tunnel layout method based on a three-dimensional virtual city, which comprises the steps of preprocessing remote sensing image data, digital elevation model data and three-dimensional building model data and establishing a three-dimensional virtual city system; in the three-dimensional virtual city system, realizing the generation and management of an underground three-dimensional pipe network model based on pipe point data, pipe well data and two-dimensional pipeline data; according to the underground three-dimensional pipe network model, selecting the starting point and the end point of a needed pipe network and generating various pipe network layout scheme; according to relevant specifications and standards, conducting collision processing to the pipe network layout scheme, searching for pipe network surrounding facilities and analyzing pipe network layout influence factors; and conducting optimization analysis according to the pipe network layout influence factors, obtaining an optimized scheme suitable for the underground pipe network layout and administratively demonstrating a result in the three-dimensional virtual city system. By building the three-dimensional virtual city, building a dynamic model and generating and optimizing various pipe network layout schemes, the goal that the pipe network layout has a basis is realized and a support is provided for planning the underground sources and pipelines of cities.

The invention provides a sand table demonstration method and device, computer equipment and a storage medium, and the method comprises the steps: receiving an AR special effect display instruction; based on position indication information carried in the AR special effect display instruction, determining a first display position corresponding to the position indication information from a pre-constructed virtual city sand table; based on the first display position and a position mapping relationship between a first sand table image of a physical city sand table and the virtual city sand table, performing fusion display on the AR special effect and the first sand table image; wherein the virtual city sand table is generated based on three-dimensional modeling of an entity city sand table. According to the embodiment of the invention, a After the first display position of the AR special effect in the virtual city sand table is determined, the AR special effect and the first sand table image can be more accurately aligned based on the first display position and the position mapping relationship between the first sand table image and the virtual city sand table.

The invention discloses an electromagnetic spectrum display method, a storage medium, a terminal and a system. The method includes calculating and obtaining background noise data of electromagnetic environment in the frequency bands collected in each region, and generating an electromagnetic signal data table; the data records in the electromagnetic signal data table are mapped to the virtual citybuilding object and stored in the virtual building object table; establishing a 3D GIS model of urban buildings, which is bound to the virtual building object table, and the 3D GIS engine is superposed on the two background layers of the 2D vector map layer and the raster network map layer to form the 3D virtual city situation scene. The invention displays the electromagnetic spectrum data collected by multi-stations and the analysis result through a three-dimensional virtual city scene map, which is convenient for management decision makers to quickly and comprehensively grasp the electromagnetic spectrum situation of the city, and provides decision support for the radio monitoring and management of the city.

The invention discloses a three-dimensional GIS line selection design analysis method for urban rail transit. The method comprises the following steps: 1, establishing an urban three-dimensional virtual scene model; 2, performing three-dimensional line selection interactive design based on the urban three-dimensional virtual scene model, including line position plane design, line position verticalsection design and spatial line position dynamic fitting; 3, performing engineering environment influence statistical analysis based on the urban three-dimensional virtual scene model and the designed urban rail transit line position. According to the method, a virtual city environment can be dynamically and efficiently constructed and browsed on the basis of integrating massive geographic information, a diversified scheme interaction design method in a three-dimensional scene is provided for rail transit line selection, and the method is compatible with a space analysis function to provide various statistical analysis data for line scheme decision making.

The invention discloses an unmanned vehicle based on an AI technology, an AR virtual city system, an AI control system, an unmanned vehicle practical training platform and an unmanned vehicle practical training method. The unmanned vehicle practical training platform comprises the unmanned vehicle, the AR virtual city system and the AI control system, wherein the AR virtual city system constructsa virtual city environment for unmanned vehicle practical training; the unmanned trolley runs in the virtual city environment and senses a current virtual scene to obtain scene sensing data; the AI control system acquires virtual city environment information and scene sensing data in real time, and generates a control instruction for controlling the unmanned trolley to run in combination with a preset control rule; and the unmanned trolley runs in the virtual city environment according to the control instruction of the AI control system. The unmanned vehicle practical training platform can simulate the required embedded, wireless communication and virtual scene, is controlled by adopting an AI artificial intelligence algorithm, and truly opens the development technology environment required by each level of the unmanned driving technology through adopting the virtuality and reality combination technologies.

The invention relates to a traffic network attribute information generation method and device, a storage medium and an electronic device, and the method comprises the steps: obtaining the traffic network data of a target region; establishing a road information dictionary of the target area, wherein the road information dictionary at least comprises road point coordinates and road names; calculating a matching relationship between a target road in the target area traffic network and a reference road in the road information dictionary; and matching the attribute information of the reference roadin the road information dictionary with the corresponding target road in response to matching of the target road and the reference road. The device comprises a target road network data acquisition module, an information search module, a road information dictionary module and a first matching module. According to the invention, attribute information addition of a road network in a given longitudeand latitude range can be realized, and the accuracy is high. Through the process of adding the attribute information of the original traffic network data from nothing to nothing, a foundation is laidfor optimization of a subsequent method, addition of new attributes and 3D reconstruction of a virtual city.

The embodiment of the invention discloses an infectious disease transmission trend simulation method and device, electronic equipment and a storage medium. The method comprises the following steps: constructing a virtual city, and placing a plurality of agents in the virtual city; according to the transmission rule of the infectious diseases, determining an intelligent body health state conversion rule; according to the migration rule of each agent, controlling each agent to migrate in the virtual city; constructing a contact network among the plurality of agents according to the migration of the plurality of agents in the virtual city; and driving the infectious disease to spread among the plurality of agents according to the contact network among the plurality of agents and the agent health state conversion rule. According to the method and the device, the propagation trend of the infectious disease epidemic situation can be accurately simulated.

The invention discloses an unmanned driving simulation test system. An overall system framework comprises a virtual city scene parameterization generation module, a simulation server module, a traffic flow simulation module, a multi-ICU and man-machine interaction module, a dynamics simulation module and data interaction middleware; the virtual city scene parameterization generation module can realize parameterization automatic generation of a virtual city scene and simulate large-scale road test scenes of different styles; the simulation server module realizes simulation of various sensors and scene physical interaction behaviors in a simulation process, and realizes a multi-ICU multi-sensor constant frame rate asynchronous simulation mechanism; the traffic flow simulation module realizes mixed injection of virtual traffic flow, and realizes generation and dynamic interaction of large-scale background traffic flow in a simulation scene; the multi-ICU and man-machine interaction module is used for realizing multi-ICU and man-machine mixed unmanned driving simulation; the dynamics simulation module is used for realizing real vehicle dynamic simulation of the tested vehicle; and the data interaction middleware module realizes information synchronization and transmission among the simulation modules.

A virtual reality location information system for touring various attractions through the Internet. The virtual reality location information system includes providing a host site, providing a first virtual business to represent a first actual business upon the host site, wherein the first virtual business mimics an appearance of the first actual business, providing a virtual city to represent an actual city upon the host site, wherein the virtual city mimics an appearance of the actual city, wherein the first virtual business is within the virtual city and providing at least one user. The user accesses the host site and creates a virtual member to mimic an appearance of the user. The user may then selectively navigate the virtual member through the first virtual business and tour the first virtual business.

The invention discloses a city planning citizen interaction system. City planning compiling accomplishments, planning approval service, three-dimensional virtual cities, city satellite remote sensing information and correlation multimedia information are integrated to form a city planning citizen interaction platform. The system comprises a planning geographical information management platform arranged in a server, a planning geographical information acquisition updating platform, a planning integrated information database, an information processor, a network transmission device and an interaction platform application terminal. The city planning citizen interaction system, by means of a face identification function, can acquire and identify identity information of personnel giving advice and correlation information for automatic queries by people, is quite convenient and practical and reduces waste of manpower resources.

The invention is a virtual local telephone commutator and its implementing method, containing: user line interface circuit, local telephone line interface circuit, data processing control circuit, Ethernet interface and power supply, where the data processing control circuit is responsible for controlling the other circuits and man-machine interactive interface, and for quantization and coding of voice signals, voice data compression, packaging IP and providing Ethernet interface. The main implementing modes are virtual city telephone calling mode and local telephone roaming function. And the other modes are point-to-point direct calling mode and ordinary city commutating mode. It has the characters of simpler commutator, lower cost, multiple calling mode, and simple use. It infinitely extends a local telephone line by Internet to implement and exceed the whole function of an IP telephone.

The invention discloses an emergency command system. The system comprises a GIS city map system used for establishing a virtual city map about a power distribution network distribution system; the monitoring sensing system is used for being installed at each control node to monitor equipment operation data; the data processing unit is used for processing the monitoring data of each control node topredict equipment field faults; the response scheme automatic generation unit is used for judging the equipment fault type according to the operation data of the monitoring sensing system and delimiting the safety operation standard behavior of the worker; the mobile terminal assembly is used for carrying out data sharing and data transmission with the data processing unit through the wireless communication unit; the position recognition unit is used for displaying the position of the worker and the working process of the relative movement frequency monitoring worker in the GIS city map system; according to the scheme, active management of power distribution network equipment faults is realized, and the health of workers can be confirmed in real time.

The present invention relates to the visualization of a complex system such as a software offering using a set of buildings. A method for generating a visualization of a complex system using a set of buildings in accordance with an embodiment of the present invention includes: representing each of a plurality of complex systems using a respective set of buildings in a virtual city environment. The set of buildings in the virtual city environment is displayed.

The invention provides a virtual object control method and device in a game, electronic equipment and a storage medium, and relates to the technical field of games. The method comprises the following steps: providing a virtual object resident area on a graphical user interface, wherein the virtual object resident area displays a plurality of to-be-selected virtual objects according to a trigger instruction; in response to a selection instruction for the plurality of to-be-selected virtual objects, selecting a target number of target virtual objects from the plurality of to-be-selected virtual objects, and adding the target number of target virtual objects into the virtual city; generating at least one demand task associated with the at least one to-be-selected virtual object which is not selected, and displaying task information corresponding to the demand task on the graphical user interface; and in response to a completion event for the demand task, increasing a preset duration for the to-be-selected virtual object corresponding to the demand task to leave the virtual object resident area. By means of the method, the control operation on the virtual city on the graphical user interface of the terminal can be achieved, and therefore the city population control in the real world can be simulated and restored.

The invention discloses a method of virtual city hypermedia data automatic processing system which is firstly invented in the world, so as to solve the problems of how to greatly reduce the cost of making (animation, micro-video and three-dimensional panorama) the hypermedia data, and greatly increase the working efficiency of making the hypermedia data.