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40 results about "Web graphics" patented technology

Method and system for building information modeling light weight and three-dimensional scene visualization

The invention provides a method and a system for building information modeling light weight and three-dimensional scene visualization. The method comprises the following steps that: establishing the BIM (Building Information Modeling) of a target building, and analyzing the BIM into an FBX (FilmBoX) file; extracting the geometric information and the material information of each construction memberin the BIM from the FBX file; storing the geometric information of all construction members into a target OBJ file, and storing the material information of all construction members into an MTL (Material Management System) file; and on the basis of a WebGL (Web Graphics Library), according to the target OBJ file and the target MTL file, carrying out three-dimensional visualization display on the target building. By use of the method and the system, target BIM light weight is effectively realized, the redundancy of the BIM data is lowered, and efficiency for the intelligent mobile terminal to organize and display the BIM data can be improved to a certain degree. In addition, the three-dimensional visualization display of the target building on the intelligent mobile terminal can be served as a basic three-dimensional map of indoor positioning, and a foundation is laid for realizing the indoor positioning of the intelligent mobile terminal.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

WebGL (Web Graphics Library)-based network topology visualization system and data visualization method

The invention provides a WebGL (Web Graphics Library)-based network topology visualization system, a data visualization method, computer equipment and a computer-readable storage medium. The system comprises a large-scale network topology visualization display system, a data intermediate layer and a rear-end server, wherein the data intermediate layer is an intermediate connection part of a front-end browser and the rear-end server and is used for processing data change of front and rear ends; the data intermediate layer is used for performing data processing, local caching and partial rendering on data sent by the rear-end server through a middleware, and transmitting and displaying part of or all of data according to a user display request of the front-end browser. According to the WebGL-based network topology visualization system, the data visualization method, the computer equipment and the computer-readable storage medium, Node.js is used as the middleware, thus the communicationefficiency of the front and rear ends is improved; the data intermediate layer constructs a local cache, processes and screens the data and renders the part of data in advance, thereby relieving the situation of extra-high load, screen jittering or screen blanking caused by processing of a lot of data with the front-end browser and avoiding the situation of no response caused by too long renderingtime.
Owner:CHINA ACADEMY OF INFORMATION & COMM

Power distribution network operation monitoring method based on scalable vector graphics

The invention discloses a power distribution network operation monitoring method based on scalable vector graphics. On a server side, a third-party file meeting a scalable vector graphic standard is inputted into a G++ graphic file interpreter, an output result of the G++ graphic file interpreter and an output result of a data adapter are jointly inputted into a power grid topology model unit, an output result of the power grid topology model unit is inputted into a graphic display control logic unit and then inputted into an SVG (scalable vector graphics) DOM (document object model); on a client side, a browser analyzes and displays the scalable vector graphics released by the SVG DOM to make it convenient for dispatching personnel to monitor operating states of a power distribution network in real time. Compared with the prior art, the power distribution network operation monitoring method based on the scalable vector graphics has the advantages that a brand new Web graphic display way and a data-to-browser push mechanism are provided, the problem of sharing of data and graphics in an automatic power distribution system is solved in a certain range, and actual requirements of power distribution network operation monitoring can be completely met.
Owner:国网新疆电力有限公司巴州供电公司 +1

Production process of forming stereo relief effect on packaging printing paper base

The invention provides a production process of forming stereo relief effect on a packaging printing paper base once by means of gravure printing. The production process includes overprinting UV (ultraviolet) gloss on a paper base with printed pictures and texts by means of gravure printing and positioning once, and using ultraviolet for drying to form the stereo relief effect. The ink cell depth of a gravure ranges from 60 micrometers to 70 micrometers, the opening width ranges from 20 micrometers to 140 micrometers, and viscosity of the UV gloss measured by NO.2 Zahn cup at 25 DEG C ranges from 20s to 40s. The gravure plate with specific lightscribe parameters is used with the UV gloss of the certain viscosity, transfer quantity of the UV gloss can be increased as much as possible while high flowabiity of the UV gloss is guaranteed, the paper base with the printed pictures and texts can have the relief effect similar to screen printing gloss after monochrome group printing, and accordingly production efficiency is greatly improved, and troublesome of overprinting for multiple times can be avoided. Further, web graphic printing and gloss printing integrated production can be realized, and precision of overprinting can be better improved.
Owner:GUANGDONG ZHUANGLI COLOR PRINTING

Power grid graph standardization system for regulating and controlling cloud platform

The invention discloses a power grid graph standardization system for regulating and controlling a cloud platform, and relates to the field of power grid dispatching. At present, the drawn power gridgraph can only export pictures of common png, jpg and other formats, information is easy to lose, and the power grid graph cannot be linked with the electrical data in the database, the graph is maintained manually and repeatedly, and the workload is large. The system comprises a WEB graphic client; a WEB graphic service module; and an underlying service module. According to the technical scheme,a CIM / G format is adopted for storage, so that the problem of file information loss caused by inconsistent formats during sharing of graphic files in a region I and a region III is avoided; a standardized method of intelligent power grid graph conversion and manual drawing based on a primitive component library and a model mapping library is adopted. The workload of manual repeated graph maintenance is reduced, the requirements of national, provincial and regional graph source end maintenance and unified display are met, the workload of a user is reduced, the purpose of cooperative control ofnational, provincial and regional dispatching in the same scene in an emergency is achieved, and the effect of a dispatching center is brought into full play.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER +3

PLC configuration virtual simulation experiment system based on WebGL

The invention discloses a PLC (Programmable Logic Controller) configuration virtual simulation experiment system based on WebGL (Web Graphics Library). The system comprises a virtual simulation modellibrary construction module, a three-dimensional industrial scene construction module and a virtual simulation operation module. And the virtual simulation model library construction is used for managing a three-dimensional model and linking model collision and motion modes for scene construction and simulation operation. The three-dimensional industrial scene construction is used for quickly constructing a three-dimensional industrial scene and carrying out analogue simulation configuration. And the virtual simulation operation realizes simulation control through interconnection of the virtual simulation scene and the hardware equipment PLC. According to the invention, a PLC program operation inspection function in a three-dimensional virtual industrial scene can be provided in a cross-platform manner, and the problems of experimental field limitation, expensive equipment, experimental scene applicability and the like can be effectively solved, so that the talent cultivation quality in the industrial control field is greatly improved.
Owner:HANGZHOU DIANZI UNIV

Method and system for analyzing data on basis of Earth presentation

The invention discloses a method and a system for analyzing data on the basis of Earth presentation. The method includes constructing basic grids of Yeesight three-dimensional virtual Earth systems by the aid of a client, requesting for visible tiles by the aid of the client, rendering the visible tiles by the aid of the client and carrying out man-machine interaction on diversified media data by the aid of the client; implementing application service of GIS (geographic information systems) by the aid of an application server of the GIS of an application layer; measuring and analyzing Yeesight Earth spaces, querying the spaces and caching Yeesight; organizing and managing space data of images, terrains and three-dimensional models in three-dimensional virtual Earth by the aid of a data service layer. The method and the system have the advantages that experiment data and quad-tree structures can be stored in an HTTP (hyper text transport protocol) server deployed in Yeesight production environments by the aid of Google Chrome browsers with enabled WebGL (web graphic library) functions, data are modeled and analyzed by the aid of real data of Yeesight news media, and accordingly point distribution and classification statistic analysis can be carried out on the 3d (three-dimensional) Earth.
Owner:GLOBAL TONE COMM TECH

WebGL-based information labeling method, live-action navigation method and terminal

PendingCN114758098ASolve the problem of not being able to flexibly obtain related object informationImprove experienceImage analysisGraphical user interfacePhysical space
The invention discloses a WebGL (Web Graphics Library)-based information labeling method, a live-action navigation method and a terminal. According to the technical scheme provided by the embodiment of the invention, firstly, image data in a current view field range collected by a moving camera is rendered to a graphical user interface based on WebGL, and a live-action space picture containing a view angle position corresponding to the camera is obtained; then selecting a to-be-labeled first target object in the live-action space picture, and determining a target position coordinate of the first target object in the world coordinate system based on a parameter relationship between the first target object and the visual angle position; after the annotation information of the first target object is determined, the corresponding relation between the target position coordinates and the annotation information is established, so that the first target object and the annotation information thereof are displayed in the three-dimensional live-action space corresponding to the target physical space, the problem that a user cannot flexibly obtain detailed information about a house when seeing the house online is solved, and the user experience is improved. And the online house viewing experience of the user is improved.
Owner:BEIJING CHENGSHI WANGLIN INFORMATION TECH CO LTD
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