66 results about "Volunteered geographic information" patented technology

An information system for dynamic distribution of location-related information between users with different perspective views includes a number of user units each including a viewing arrangement defining a viewing direction and a registration subsystem for deriving a mapping between the current perspective view and a shared location reference. The user units also include a data management system and a wireless communication arrangement. At least one of the user units further includes a user input interface for designating a viewed location within the current perspective view for association with location-related information to generate a new location-related information entry for sharing with others of the plurality of user units. At least one other of the user units further includes a display device associated with the viewing arrangement for displaying location-related information correctly positioned in the context of the current perspective view.

A navigation apparatus acquires geographic information from a server apparatus. When the navigation apparatus does not store any geographic information that provides a continuous route from the starting point to a destination point, it transmits data of the starting point and destination point to the server apparatus to acquire therefrom geographic information that provides a continuous route from the starting point to the destination point. This efficient acquisition of geographic information realizes reduction of communication time and communication costs.

The invention relates to an underground high-precision navigation map establishment system and an establishment method. On the basis of the system comprising an underground geographic information system, an intrinsically safe modeling device and each intrinsically safe ultra wide band (UWB) anchor node which is set in each underground tunnel, the establishment method is further designed and introduced. According to the whole design, an underground high-precision navigation map can be rapidly established, environment model functions can be dynamically updated, a modeling result is input into the underground geographic information system, and a multilayer map model capable of providing auxiliary positioning and route planning for automatic movement of vehicles underground is established.

The present invention relates to navigating in a geographic information system. In an embodiment, a method tours geographic information in a geographic information system. A set of actions for a tour is received. Each action includes a tour time. A tour time of at least one of the actions is defined by a user. Each action in the set of actions is executed to tour geographic information in the geographic information system.

The invention provides an automatic layout method of a distribution single line diagram in a grid geographic information system, which mainly comprises the following steps of: an object generating and updating stage: the initial layout of the single line diagram is generated, and space ranges needing to be occupied by each equipment and each branch on a line are calculated by adopting a bottom-up iterative calculation method so as to provide a data support for follow-up space expansion and compression; a space expansion stage: according to the stored object and branch space occupied data in the previous stage, the affected line and equipment are moved, so that the occupied space positions of each branch and equipment are not overlapped; and a space compression stage: according to the adjustment work of the expansion stage, through the heuristic space position occupying judgment, the adjusted space is reversely compressed until the space position is minimized in an allowed range. Through the support of the automatic layout method, the practical initial layout of the distribution single line diagram and the incremental layout adjustment support are provided, and the practical needs of distribution single line diagram functions are met.

The invention provides a method for generating and managing a Web geographic information system (GIS) client control. The method comprises the following steps of: configuring the style of a client and generating a style configuration file; configuring the control operation set of the client and generating an operation configuration file; configuring the map data source of the client and the map layer style of the map data source and generating a data source access configuration file; according to the configuration files, generating a client control which consists of a script file package and an extensible markup language (XML); and loading map data according to the configuration files of the client control, and generating a hypertext markup language (HTML) page for display by using the map data and an operation tool set. The invention also provides a device for generating and managing the Web GIS client control. By the technology, the Web GIS client control is compatible with different language platforms and can be applied to platforms in various development languages, professional staff are not required for coding, and the work load of developing a Web GIS module is greatly reduced.

The invention provides GPU-based (graphics processing unit-based) real-time drawing method and device for power WebGIS (web geographic information system) vector. Through power line data acquisition, window clipping, texture creating and GPU drawing and rendering, GPU hardware acceleration technology and power WebGIS vector real-time drawing are combined effectively. By an efficient graphic rendering function of the GPU hardware acceleration technology and the function of batch data vector drawing, efficiency and timeliness of clients are greatly enhanced. In addition, the asynchronous response capacity of the GPU allows the system to be fast in interface response, so that user experience is improved and an efficient and visual solution is provided for vector drawing of power grid batch data.

The invention relates to a method for realizing terminal track playback in a network geographic information system. The method comprises the following steps that: a client generates and transmits a track playback request with a track playback parameter in an asynchronous data transmission mode; a server receives the request and processes the data associated with the request to form updated data; a server-side transmits the updated data to the client in the asynchronous data transmission mode; and the client receives the updated data and updates a track image layer. The invention also relates to the network geographic information system. The method and the system for realizing the terminal track playback in the network geographic information system of the invention have the following advantages that: the data transmission amount is less and the transmission time is shorter, because the track playback request and the updated data are both transmitted in the asynchronous data transmission mode, and the image layer to be updated is searched in the server according to the parameter in the request, and return data is formed.

The invention discloses a method for matching an electronic map in an urban geographic information system and relates to the field of geographic information system. Through the method, the road section which is required to be calculated for matching the electronic map can be reduced to less than 50% of the whole road section required to be calculated before being pretreated by pre-treating the electronic map, the road section which is required to be calculated is further reduced to 1/N (N is the quantity of grids) of the whole road section based on a map storing structure of square grids, and the speed for matching the electronic map can be increased to 1/2N and the accuracy rating can be increased to above 90%.

An analytic system includes a communication interface that connects to a client device. A front-end cluster acquires user billing and consumption data from one or more utility database machines and acquires geographic information system data. A geocoding server converts selected data rendered by the front-end cluster into geographic coordinates. The front-end cluster is configured to render comparisons of a user's utility usage to peer group usages.

The invention relates to a temporal geographic information system (GIS) data management and presentation method. The temporal GIS data management and presentation method comprises the following steps: (1) storing temporal GIS data by an improved base state modified spatio-temporal data model; (2) recording the change relationship of a GIS space object by a change record sheet; (3) inquiring the change record sheet by an algorithm and establishing the tree history relationship; and (4) demonstrating the evolution relationship of the GIS space object by the representation mode of a temporal GIS player. By the temporal GIS data management and presentation method, the problems about the history relationship retrieval efficiency and presentation of the GIS space data under the condition of frequent dynamic change are solved.

The invention relates to a method for social network association excavation based on multi-scale geographic information. The method comprises the steps that (1) user sign-in data is acquired, pre-processing is carried out to the data, and structured data is obtained; (2) different methods for map division as well as scale standards for each method are set, and multiple corresponding position IDs are computed and acquired according to GPS data in the user sign-in data; (3) weights of the different positions are computed and acquired according to the quantities of sign-in users, and contributions made by the different positions for social relation prediction are represented; (4) characteristic extraction is carried out according to weight information of the positions, and position interaction characteristics of all the users can be obtained; (5) a classifier is trained by the extracted characteristics, and a relation prediction model is obtained; and (6) the obtained relation prediction model is used to predict a target user, and a prediction result of social network relations can be obtained. The method provided by the invention is characterized in that the position sign-in information is fully used to implement training and obtain the prediction model with higher robustness, and the ideal and stable prediction result can be obtained.

Provided is a power supply grid load predicting method based on a geographic information system. A grid planning concept is introduced based on a power geographic information system. By combining the municipal planning and construction scheme and the distribution network planning technical guideline and according to the characteristics, a power supply area is divided in a scientific and reasonable manner based on the idea of large-to-small and divide-and-rule to form a plurality of relatively independent power supply grids with clear grid structure and self-healing potential. A strong support is provided for power demand prediction, distribution network status analysis, planning project scheme drafting, planning effect evaluation and investment decision making.

The invention provides an automatic anticipated fault set generation method based on a typhoon model. The method comprises the following steps: acquiring a fracture surface and geographic information of power grid operation mode data, establishing a typhoon model, determining a typhoon influence zone, judging overhead line fault risk, and automatically generating an anticipated fault set. According to the automatic anticipated fault set generation method provided by the invention, an overhead line fault risk judgment standard is provided according to a reasonable typhoon model, the typhoon influence scope with relatively high danger level for an overhead line is calculated, then the typhoon influence zone is obtained through the typhoon data, and finally, in combination with the power grid geographic information and multi-point fault recognition, a fault set is automatically generated.

The invention discloses a Docker containerization management based power grid geographic information system. The system is characterized by comprising a Docker master management server, a Docker hostserver, a Docker mirror image repository server and a Docker container module. The Docker master management server is connected with the Docker host server and the Docker mirror image repository server through a network and used for dispatching monitoring and management of the Docker host server and the Docker mirror image repository server. The Docker host server is used for providing support foroperating of various Docker containers in the Docker container module. The Docker mirror image repository server is used for storing at least one Docker mirror image in the power grid geographic information system. The Docker container module is used for providing the corresponding Docker container of each Docker mirror image in the Docker mirror image repository server. The Docker containerization management based power grid geographic information system and a management method provide support for power grid GIS service through the system, available for efficient and quick deployment and second level expandability according to access loads, provided for various power grid business application systems for power dispatching management, power grid operation management, power distribution network management, power marketing management and the like.

The invention discloses a multivariable model and blind number theory-based spatial load prediction method. The method is characterized by comprising the steps of performing correlation analysis on total power loads based on numerous factors influencing changes of the total power loads, and determining main factors influencing the changes of the total power loads in the factors; by applying a multivariable analysis method, building a multivariable prediction model for predicting the total power loads by taking the main factors influencing the changes of the total power loads as input variables; establishing an index system for assessing development states of the main factors influencing the changes of the total power loads, calculating target annual values of the main factors influencing the changes of the total power loads, and predicting the total power loads by adopting the multivariable prediction model; and calculating target annual classified power load values by utilizing totalpower load prediction results, establishing a power geographic information system comprising land use information of to-be-predicted areas, and calculating out classified power load density, thereby obtaining power load values of power supply communities.

The invention belongs to the technical field of geographic information, and provides an online backtracking and comparison method for two-dimensional spatial-temporal geographic information. The method provided by the invention has the advantages that map services can be rapidly read at a web end, so that the function of online efficient backtracking of the two-dimensional spatial-temporal geographic information can be achieved, and the problem of data waiting during display switching among geographic information services at different moments can be avoided; and the function of change comparison among the geographic information services at the different moments and for a same region is achieved, so that the city planning personnel and the land planning personnel can more conveniently analyze city development changes, and social applications of the geographic information can be further promoted.

The invention discloses a travel information service system, which is divided into five main modules according to functions: a map basic operation module, a maintenance module, a query module, a travel service module and a map printing module. The travel information service system uses spatial information processing as a core geographic information system technique, and because the travel information service system has strong functions of spatial information management, spatial information analysis, spatial information query, three-dimensional image display and the like, the travel information service system plays an irreplaceable role in information-based construction of the travel industry. The travel information service system introduces the geographic information system technique and a multimedia production to travel services to realize effective management of tourist resources and multimedia expression of travel information, provide a brand-new visual field management and propaganda mode for an administering authority and bring unprecedented conveniences and brand-new services to tourists.

The invention discloses a rural power grid design method. The method comprises the following steps: converting tower coordinates exported from marketing-distribution network data in a power grid geographic information system (GIS) platform into a 60-system format; importing the format-processed tower coordinate data into power distribution network engineering design software, and forming pile original points in the design software by the tower coordinate data in order to form a line route trend diagram; setting basic parameters of a power grid project, and selecting adaptive towers to be inserted into the piles according to pile properties in order to form a layout plan and a cross-section diagram; and generating a report and a diagram with the power distribution network engineering design software, and rapidly implementing design data classification, summarization and extraction with the power distribution network engineering design software. According to the method, material consumption is automatically summarized by statistics in different ways, so that design data extraction is implemented rapidly, and technical-economical data folders are formed. Technical-economical data files can be imported into distribution network cost estimating software, so that integration of engineering design and budgeting is realized.

The invention discloses a volunteered geographic information credibility calculation method. Credibility of a VGI (volunteered geographic information) target is calculated according to credibility of a VGI contributor, and the credibility of the VGI contributor consists of initial credibility obtained by calculation of user registration information and evaluation credibility acquired from system behavior contributions. The method includes: defining once-editing results of a certain geographic space target edited by each volunteer as one version, and when other users edit the target version, calculating version similarity to acquire degrees of support, to the target version edited by the corresponding volunteer, of other users; calculating degrees of support, to each target contributed by a certain volunteer, of other contributors and subjecting each degree of support to weighted calculation to acquire comprehensive evaluation credibility of the corresponding volunteer. By adoption of the volunteered geographic information credibility calculation method, volunteered geographic information credibility can be evaluated objectively without enabling users to directly evaluate other volunteers by scoring, and scientific basis is provided for cleaning and screening of volunteered geographic information.

The invention discloses a cloud service system applied to building intelligent measurement. The cloud service system comprises a mobile client, a cloud service platform, and an actual measurement robot, wherein the mobile client sends a measurement service application to a cloud service platform, and the measurement service application comprises to-be-measured target geographic information and building object information; the cloud service platform is used for analyzing the received measurement service application, obtaining to-be-measured target geographic information and building object information, driving an actual measurement robot and sending the measurement service information to the actual measurement robot, and can also be used for receiving and processing the measurement data uploaded by the actually measured robot, analyzing the measurement data to generate a measurement report of the building object, and feeding back the measurement data and the measurement report to the mobile client; and the actual measurement robot is a laser SLAM-based movable robot, and is used for driving the robot to address and reach a to-be-measured target address according to the received geographic information of the to-be-measured target, entering a building object room, and starting a laser scanner to scan the building object in an omnibearing manner so as to collect measurement data ofthe building object and upload the measurement data to the cloud service platform.

The invention discloses an engineering monitoring information management system based on a web geographic information system (GIS). The engineering monitoring information management system is used for managing the state of each preset monitoring position of engineering, and comprises a user interaction module, a WebGIS-based geographic data control module and a geographic database. A user inputs geographic data relevant to the state into the geographic database through the WebGIS-based geographic data control module by the user interaction module, and stores the geographic data in the geographic database; the WebGIS-based geographic data control module is used for processing the geographic data according to an instruction which is input by the user through the user interaction module, and providing visual information for the user through the network by the user interaction module. The monitoring information management system based on a WebGIS technology can be used for timely acquiring total alarm information of all sections, all working wells and all intervals of pipeline construction, acquiring valuable monitoring information from a large number of monitoring data and making a response program.