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106 results about "Graph drawing" patented technology

Graph drawing is an area of mathematics and computer science combining methods from geometric graph theory and information visualization to derive two-dimensional depictions of graphs arising from applications such as social network analysis, cartography, linguistics, and bioinformatics.

PDF engineering drawing structured recognition method and device based on multi-dimensional feature fusion and storage medium

The invention discloses a PDF engineering drawing structured recognition method and device based on multi-dimensional feature fusion and a storage medium, and belongs to the technical field of engineering drawing intelligent processing. The method comprises the following steps: PDF analysis and preprocessing: analyzing a PDF engineering drawing file, extracting a vector graph drawing instruction, text block contents and respective original coordinate information, and carrying out image rendering and standardized preprocessing on a drawing page to generate a binary image with a standard resolution; multi-dimensional feature extraction: extracting the following four types of features from the binary image: a visual depth feature, a text semantic feature, an industry specific symbol feature and a spatial topology feature between elements; feature fusion and relation reasoning: inputting the visual depth features, the text semantic features, the industry specific symbol features and the spatial topological features into a graph neural network fusion module, and constructing a graph structure taking each identified element as a node and taking a spatial topological relation between the elements as an edge, performing feature interaction and fusion among nodes through an attention mechanism, and reasoning a semantic association relationship among drawing elements; and generating structured data: classifying and grouping the drawing elements according to the semantic association relationship, and outputting a structured data file according to a predefined structured format. Therefore, the technical problems of low recognition efficiency and accuracy in the prior art are solved, and the technical effect of efficient and accurate engineering drawing structured recognition is achieved.
Owner:HANGZHOU DINGHONG TECHNOLOGY CO LTD

Graph rendering system and method based on OpenGL SC and related product

The invention discloses a graphic rendering system and method based on OpenGL SC and a related product. The system comprises a rendering interface module used for providing a high-order graphic rendering function interface for an application program to receive graphic modeling data; the data conversion module is used for converting the graphic modeling data into intermediate drawing data conforming to the OpenGL SC standard; the graphic processing module is used for executing graphic calculation and rendering logic based on the intermediate drawing data and generating a rendering instruction; and the graph drawing module is used for calling the underlying OpenGL SC function library to execute the rendering instruction so as to complete graph rendering. According to the graphic rendering system, the underlying graphic pipeline is packaged inside, the development threshold and complexity are reduced through the high-order graphic interface, and the development efficiency and reliability are improved. All the modules are standardized and coordinated to realize complete process packaging from data to rendering, so that optimization and maintenance are integrated inside, and the maintainability, expandability and stability of the system are enhanced.
Owner:CHINA TECHENERGY

Meteorological data visualization method and device, electronic equipment and storage medium

The invention relates to the technical field of meteorological data visualization, in particular to a meteorological data visualization method and device, electronic equipment and a storage medium. According to the meteorological data visualization method and device, firstly, a lightweight multi-resolution data organization unit is established based on a spatial index, a server-side pre-rendering slice is replaced, the storage pressure is reduced, and the data updating flexibility is improved; secondly, a dynamic thread pool and a load balancing mechanism are adopted, data processing tasks are intelligently decomposed and executed in parallel, client computing resources are fully utilized, the processing efficiency is remarkably improved, then coordinate conversion, interpolation and graph drawing are completed in a working thread through an off-screen rendering engine, calculation and rendering decoupling is achieved, and the system performance is improved. And finally, an incremental updating mechanism and a dirty marking technology are introduced, only local redrawing is carried out on a change area, and a cache multiplexing mechanism is combined, so that global rendering overhead is effectively avoided, and real-time, smooth and high-interactivity visualization of mass meteorological data is realized at a Web end.
Owner:BEIJING HONG TECH CO LTD

Subway station platform layer building limit range graph drawing method and device based on CAD

The invention provides a method and a device for drawing a subway station platform layer building limit range graph based on CAD (Computer Aided Design), and relates to the technical field of data processing.The method comprises the following steps: acquiring a line center line entity object of a subway station platform layer, dividing the building clearance area into an effective platform range, an effective platform outer corridor range and a side wall range based on the line center line; according to preset vehicle model parameters and area types, the building limit reference value of each area is obtained, the dynamic widening amount is obtained by combining the larger value of the curve widening amount and the turnout widening amount, and the total building limit value is the sum of the reference value and the dynamic widening amount. According to the invention, the automatic and high-precision generation of the limit diagram is realized.
Owner:GUANGZHOU METRO DESIGN & RES INST CO LTD

House and land integrated ownership investigation and registration application method based on mobile internet terminal

The invention discloses a house and land integrated ownership investigation and registration application method based on a mobile internet terminal. Comprising a house and land integrated ownership information input module, a house and land integrated photo input module, a house and land integrated graph drawing module, a building area calculation module, a building household-splitting graph generation module, a cadastre questionnaire export module, a real estate registration application form export module and a signature module. Real estate field investigation is developed based on the mobile tablet, the efficiency and quality of field investigation are improved, paperless and electronic plotting of field investigation is achieved, and the applicant field application registration service is synchronously achieved.
Owner:CHONGQING PLANNING & NATURAL RESOURCES INFORMATION CENT

Cross-cache-line data acquisition method, electronic equipment and storage medium

The invention relates to the technical field of chip design, in particular to a cross-cache-line data acquisition method, electronic equipment and a storage medium, and the method comprises the following steps: acquiring a maximum unit total amount M corresponding to a graph drawing command to which a current subtask belongs; reading and splicing data corresponding to continuous (M-1) subunits at the tail of the first cache line address range and data corresponding to continuous (M-1) subunits at the starting end of the second cache line address range to obtain continuous data covering the complete access range of the current subtask, and storing the continuous data in a preset buffer area; the target data is extracted from the buffer area according to the initial address of the current sub-task and the first target number of the first target sub-unit in which the current sub-task falls in the first cache line to which the first target sub-unit belongs, and the target data is used as the input of the distribution operation, so that the logic complexity and the calculation complexity are reduced.
Owner:METAX INTEGRATED CIRCUITS (SHANGHAI) CO LTD

Intelligent patchwork pattern design optimization system and method

The invention relates to the technical field of intelligent patchwork pattern design, and discloses an intelligent patchwork pattern design optimization system and method.The intelligent patchwork pattern design optimization system is characterized in that (1) a pattern input module is used for receiving initial patchwork element patterns and style requirements input by a user and supporting image uploading, graph drawing or pattern model selection; (2) a pattern feature extraction module for extracting shape features, color vectors, texture distribution and symmetry indexes of an input pattern based on a convolutional neural network (CNN), (3) a patchwork template generation module for segmenting the pattern into basic unit blocks by using a segmentation algorithm and constructing a patchwork template capable of being spliced; the pattern optimization module is used for optimizing the combination mode of the cloth splicing units through a genetic algorithm or a differential evolution algorithm; (5) a pattern evaluation module: scoring the visual aesthetic feeling of the optimized pattern based on an Aestpic Score model, and feeding back to an optimization module; and (6) a pattern output module for outputting the optimized patchwork pattern and supporting a digital embroidery machine or printer interface.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Graph drawing system and electronic equipment

The invention belongs to the technical field of vehicle software development, and particularly relates to a graph drawing system and electronic equipment, and the graph drawing system comprises a computer device which is configured to comprise a division module which is configured to divide a drawing area into at least one physical pixel single column according to physical horizontal pixels; the selection module is configured to select a corresponding signal data point as a signal access point, a signal output point, a signal value highest point and a signal value lowest point from all signal data points used for drawing a graph and existing in the physical pixel single column for each physical pixel single column; and the connection module is configured to connect the signal access point with the signal output point in the previous adjacent physical pixel single column and connect the highest point of the signal value with the lowest point of the signal value in the same physical pixel single column.
Owner:SHANGHAI TOSUN TECH LTD

Method for drawing universal characteristic diagram and analyzing comprehensive performance of engine

The invention relates to the technical field of data analysis, in particular to an engine universal characteristic diagram drawing and comprehensive performance analysis method, which comprises the following steps: collecting and reading engine test data in Excel and CSV formats, cleaning the data through rotating speed standardization processing and a Z-score abnormal value removal algorithm, inputting or selecting engine basic parameters and environmental parameters, and analyzing the comprehensive performance of the engine. Performing graphic drawing parameter configuration, rendering a graphic according to configuration parameters, superposing an auxiliary curve and a key area mark, starting a mouse real-time coordinate display and navigation interaction function, extracting core data to calculate a dynamic performance index and an economic performance index, quantitatively dividing a working area and calculating a comprehensive performance index; according to the method, a structured analysis report is automatically generated, export of graphs and reports is supported, and the problems that the multi-fuel, efficient and intelligent development of the engine technology is achieved, and a traditional tool which is large in manual intervention, scattered in process and single in function cannot meet the refined and efficient performance analysis requirement are solved.
Owner:Y & C ENGINE

Network security monitoring analysis method and system

The invention discloses a network security monitoring analysis method and system, and relates to the technical field of network security monitoring analysis, and the method comprises the steps: deploying distributed monitoring agents at different levels of a network infrastructure, capturing real-time service flows and meta-information flows, and converging the real-time service flows and meta-information flows into network environment mirror image data; and carrying out layer-by-layer progressive association deconstruction on the mirror image data, and extracting a topological connection track, a session fingerprint track and a load fragment track. And drawing a dynamic graph of the threat intention based on the tracks to generate an initial threat intention dynamic graph. And introducing a network resource occupation baseline, and performing environmental interference suppression on the attack behavior mark points in the atlas to obtain a threat intention dynamic atlas for eliminating resource environmental noise. And targeted defense treatment guidance is automatically derived and formed according to the atlas. According to the method, accurate description of the cross-layer attack chain is realized, and false alarms caused by environmental noise are effectively reduced.
Owner:SHANDONG AGRI & ENG UNIV

ArcGIS graphic engine acceleration and interaction method and system suitable for mobile terminal

The invention discloses an ArcGIS graphic engine acceleration and interaction method and system suitable for a mobile terminal, and belongs to the technical field of mobile geographic information systems. The system comprises a data processing subsystem, a graphic rendering subsystem, an interactive response subsystem and a data synchronous updating subsystem. The method comprises the following steps: in a preloading stage, performing layered thinning and caching on geographic data; in the concurrent rendering stage, graph drawing is conducted through a dynamic multi-thread model and GPU acceleration, and the anti-aliasing level is dynamically adjusted based on the equipment performance; in the interactive event processing stage, response is optimized through a viewport position prediction model and a double-buffering technology; and in a data dynamic updating stage, incremental data synchronization is carried out. The technical problems of rendering performance bottleneck, interaction response lag and high system resource consumption of the ArcGIS on the mobile terminal are solved, and the map rendering efficiency, the interaction fluency and the system resource utilization rate are remarkably improved.
Owner:GANSU WANWEI INFORMATION TECH CO LTD

Simulation optimization method for preparation parameters of silicon carbide particle reinforced metal matrix composite

The invention discloses a simulation optimization method for preparation parameters of a silicon carbide particle reinforced metal matrix composite, which comprises the following steps: S1, setting the temperatures of a preform and a sand box to be room temperature, and selecting circular ceramic particles for pouring to obtain a casting; s2, after three-dimensional graph drawing is carried out on a casting in Creo, a model is converted into an igs format and then imported into Procast, and then grid division is carried out in the Procast; s3, other variable parameters are kept constant, only the pore size of the ceramic particles is changed, and the optimal pore size is determined through simulation analysis. Accurate guidance is provided for performance improvement and practical application of the ceramic particle reinforced metal matrix composite, scientificity and preciseness of simulation research are ensured, and follow-up experimental verification and practical production and application of the material are powerfully supported.
Owner:HEBEI UNIV OF ENG

Graphics processing method, apparatus and system, computing device, and storage medium

The present disclosure provides a graphics processing method, apparatus and system, a computing device, and a storage medium. The method is executed by a topology splitting module in a target graphics processing core, and comprises: acquiring a graphics drawing command, the graphics drawing command indicating that a graphic having a specified topology type is to be drawn; on the basis of the graphics drawing command, acquiring vertex index data required for drawing the graphic; on the basis of the specified topology type, dividing the vertex index data into primitive packets according to index order, to determine a primitive packet to be processed by the target graphics processing core, and inserting a corresponding synchronization marker; transmitting the primitive packet to be processed by the target graphics processing core and the corresponding synchronization marker to a geometry processing pipeline module in the target graphics processing core for processing, to obtain a geometry processing result having the synchronization marker, wherein the geometry processing result having the synchronization marker is processed by a pixel processing pipeline module in the target graphics processing core to obtain a visual graphic.
Owner:MOORE THREADS TECH CO LTD

Synchronous acquisition and drawing device for pumping unit dynamometer card and electric power card

The present invention provides a device for synchronously collecting and drawing the dynamometer card and electric power card of a pumping unit, belonging to the technical fields of oilfield production and energy-saving monitoring. The present invention uses a split-type wireless dynamometer including a wireless load sensor, a wireless laser displacement sensor and a magnetic adsorption reflector to collect data, and a radio parameter collector to collect data, and transmits the data to a synchronous dynamometer card and electric power card drawing component to process the data, output the data of one operating cycle of the pumping unit, perform graphic smoothing processing on the processed data, and perform drawing and output. The present invention synchronously collects data through a wireless load sensor, a wireless laser displacement sensor and a radio parameter collector, and can draw the graphics of the dynamometer card and the electric power card on site.
Owner:PETROCHINA CO LTD

Method for completing drawing of certain theme and saving works by two persons

The invention discloses a method for completing drawing of a certain theme and saving works by two persons. The method comprises the following steps of: setting a boundary and a size according to a theme, and initializing a first user exclusive drawing area and a second user exclusive drawing area; a first user draws in the exclusive area through a graph drawing assembly, real-time coordinate data is stored as a structured object according to a time sequence, and after completion, a first picture is generated through screen capture and uploaded to a far-end server to be encrypted and stored. And after confirming that the storage is successful, the server synchronizes the drawing completion state of the first user to the second user through a network communication protocol containing an error detection and retransmission mechanism. And after the second user receives the state, obtaining the first picture from the server, performing zooming, translation, rotation and resolution adaptation processing, performing supplementary drawing on the adapted picture, and after completion, performing screen capture to generate a second picture and uploading the second picture to the server. And after both the two pictures finish drawing, carrying out layer fusion and overall adaptation processing on the two pictures, and finally generating a collaborative work.
Owner:BEIJING DISCOVERY CORNER TECH CO LTD

Graphics drawing method, storage medium, electronic device and computer program product

A graphics drawing method includes: based on physical horizontal pixels, dividing a drawing area into at least one physical pixel single-column; for each physical pixel single-column, selecting corresponding signal data points as a signal ingress point, a signal egress point, a highest point of signal value and a lowest point of signal value from all signal data points for graphics drawing in the physical pixel single-column; and, configuring the signal ingress point to be connected with a signal egress point in a previous neighboring physical pixel single-column, and configuring the highest point of signal value to be connected with the lowest point of signal value in the same physical pixel single-column.
Owner:SHANGHAI TOSUN TECH LTD

Graphics processing unit and graphics drawing method

Embodiments of this application provide a graphics processing unit and a graphics drawing method, and relate to the field of chip technologies, to resolve a problem of overdrawing when an existing graphics processing unit executes a drawing task. A specific solution is as follows: A graphics processing unit includes a culling module and a shader processor, the culling module includes a register and an overdraw culling module, and an output end of the overdraw culling module is coupled to an input end of the shader processor. The register is configured to store indication information, where the indication information indicates a sub-region that is involved in an overdraw culling operation and that is in a graphic region of a drawing task. The overdraw culling module is configured to: record position information of a plurality of fragments of the drawing task in the graphic region and ranking information of the plurality of fragments involved in drawing, perform the overdraw culling operation on a fragment in the sub-region based on the position information and the ranking information, and send, to the shader processor, a fragment in the plurality of fragments that needs to be drawn. The shader processor is configured to perform shading on the fragment in the plurality of fragments that needs to be drawn.
Owner:HUAWEI TECH CO LTD

Automating computer-aided graph drawing from tags using machine learning.

This application discloses the automation of computer-aided drawing (CAD) from tags using machine learning. A method and system for automating computer-aided drafting (CAD) are provided. A CAD drawing in a first format native to a CAD application is obtained. Tags for the CAD drawing in a second, non-native format are acquired. A machine learning engine processes the tags using a machine learning model to identify tag types, identify tag attributes, associate tags with CAD objects required to update the CAD drawing, and determine CAD object attributes and CAD application attributes. CAD objects with CAD object attributes are provided in the CAD application using the CAD application attributes. User input is accepted and the CAD drawing is updated based on this input. The machine learning model is updated based on user input and used to process future tags.
Owner:AUTODESK INC

Interaction method and device for convergence gateway equipment management interface, equipment and medium

The invention provides an interaction method and device for integrating a gateway equipment management interface, equipment and a medium, and belongs to the technical field of gateway equipment interaction, and the method comprises the steps: obtaining an equipment connection relation and an equipment state according to an equipment list, and dynamically generating a network topology graph through a front-end graph drawing library; using data of the user in the time period is obtained, and a visual chart is dynamically generated; analyzing the user operation log data by using a machine learning algorithm, and recommending an associated operation process to the user according to the operation habit of the user; analyzing the user voice instruction text to recognize an intention and an operation object of a text instruction; and monitoring the position change of the component, and returning corresponding interface layout data to the front end according to the configuration information of the user and the interface layout information. Therefore, the user can intuitively and quickly obtain the information from a large amount of data through the graphical interface, and interface association can be performed for the user according to the operation of the user, so that the efficiency and convenience of interaction between the user and the gateway equipment are improved.
Owner:四川长虹新网科技有限责任公司

Stacked histogram proportion determination method and device based on Echarts, equipment and medium

The invention relates to the technical field of data visualization, and relates to a stacked histogram proportion determination method based on Echarts. The method comprises the following steps: acquiring initial data, and screening out target data corresponding to each target platform; performing summation processing on all target data corresponding to the same platform to obtain a summation total value; determining a data result between each target data and the summation total value according to preset precision, and converting each data result into a data proportion; performing distribution processing on all the data proportions corresponding to the platforms through a maximum balance method to obtain target proportions corresponding to the target data; and performing graph drawing on all the target proportions of each target platform through an Echarts tool to obtain a stacked histogram, and sending the stacked histogram to a client. According to the method, through the maximum balance method, accurate calculation of all target proportions is achieved, the sum of the proportions is equal to 100%, the generation efficiency of the stacked histogram is improved, and data display information is more accurate and visual.
Owner:SHENZHEN DONSON CLOUD TECHNOLOGY CO LTD

Inherited network generation operating system

The invention relates to the field of operating systems, in particular to an inheritance type network generation operating system. The method is applied to a controller with a graphical user interface and a power robot only configured with a posture control model. The graphical user interface at least comprises an input module, a network module, a model generation judgment module and an output control module icon. Whenever a connecting line is drawn between the input mark and the output mark corresponding to the two icons, the controller controls the background corresponding function module to establish communication connection to transmit preset data. According to the method, a control link is established between a background function module required by a power robot attitude control model and a front-end graphical interface icon and graph drawing operation, a user simply and intuitively draws and connects a graphical interface graph according to model training logic, and an attitude control model training control chart is generated. The background starts the corresponding function module, transmits data according to the input and output connecting line, and achieves the training operation of the attitude control model, so that the model training construction is more visual and simpler, and is convenient to use.
Owner:SHANGHAI SHENFU INFORMATION TECHNOLOGY CO LTD

Graph drawing method and device and electronic equipment

The invention provides a graph drawing method and device and electronic device.The method comprises the steps that a drawing instruction for a graph to be drawn is received, and the drawing instruction comprises an input track, brush information and a graph type; dividing the to-be-drawn graph into at least one to-be-drawn line segment according to the starting point and ending point positions of the input track and the graph type, and determining a grid vertex corresponding to each to-be-drawn line segment according to the paintbrush information; based on the grid vertex of each to-be-drawn line segment, constructing a plane grid corresponding to the to-be-drawn line segment; and in the graphical user interface, drawing a graph to be drawn by utilizing the plane grids corresponding to all the line segments to be drawn. By the adoption of the graph drawing method and device and the electronic equipment, the problem that an existing graph drawing product is poor in compatibility is solved.
Owner:BEIJING SIMING QICHUANG TECH CO LTD

Method and system for drawing power material relation graph and demand prediction based on entropy value

The application relates to an entropy value-based power material relationship graph drawing and demand prediction method and system, which comprises the following steps: collecting power material data in a project set, performing graph structuring, and obtaining an initial material relationship graph; quantifying the initial material relationship graph based on the initial material relationship graph by adopting a matrix expression method, and further adopting an associated material grouping algorithm to perform associated material grouping; calculating the entropy value of the quantized initial material relationship graph based on the associated material grouping result, and removing noise points based on the maximum entropy reduction noise reduction principle to obtain a final material relationship graph; and predicting a material demand quantity interval based on the material relationship graph. Compared with the prior art, the application has the advantages of improving the relationship graph drawing speed and quality and the like.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Current transformer error verification method and system

The invention relates to the technical field of current transformer error verification, and particularly discloses a current transformer error verification method and system, and the method comprises the steps: reading a current transformer verification report, and inputting the basic parameters and calculation coefficients of a current transformer; using an error curve method to calculate the leakage reactance of the secondary winding, the internal electromotive force, the allowable secondary load and the short-circuit current multiple; fitting the short-circuit current multiple list and the allowable secondary load list, drawing a graph, and drawing a 10% error curve; and judging whether the current 10% error of the current transformer meets the requirement or not, and outputting a calculation and drawing result to obtain a test report. According to the invention, required data in an original report can be automatically read, and data calculation and error study and judgment are completed. And various data and intermediate variables in the calculation process are visually displayed, so that checking and data processing are facilitated. The real-time performance is high, a test conclusion can be obtained immediately after the current transformer is tested, and the error condition of the current transformer can be judged conveniently.
Owner:姜来

Method for improving display performance of superposition technical indexes in webpage K-line graph

The invention provides a method for improving display performance of superposition technical indexes in a webpage K-line graph, which comprises the following steps of: aiming at an index list needing to be calculated, matching a historical data subset as a message parameter, distributing the message parameter to an independent Web Worker thread of a specified URL (Uniform Resource Locator) in a loading index list, and according to indexes in the distributed index list and the corresponding message parameter, displaying the superposition technical indexes in the webpage K-line graph. The method comprises the following steps of: calculating required values in parallel according to an algorithm corresponding to indexes to obtain an index value array, merging and formatting the index value array, only converting processed structured data required by final rendering into a data format which can be directly used by a main thread chart rendering engine, and transmitting the processed data back to a main thread through post Message. The main thread creates a K-line graph container to configure basic chart options according to the processed data by using chart data, preferentially draws a K-line graph to Canvas, and monitors and receives index rendering data merged and processed by an independent Web Worker thread through a message event, so that the problems of interface jamming, delay or no response are solved.
Owner:SHANGHAI WANDEHONGHUI INFORMATION TECH CO LTD

Storage medium storing graph drawing program and server

A non-transitory storage medium stores a graph drawing program for causing a computer to execute acquiring a plot point of a first graph by a handwriting input, regressively calculating a plurality of graph data by a plurality of regression models, based the acquired plot point, performing first determination to determine, in regard to each of the graph data, whether at least a partial data element is included in a predetermined range of coordinates, performing second determination to determine graph data having a good regression accuracy among the plurality of graph data, selecting one of the graph data, based on a result of the first determination and a result of the second determination and drawing a second graph in place of the first graph, based on the selected graph data.
Owner:CASIO COMPUTER CO LTD

A virtual reality seat selection method, device, equipment and storage medium

The application discloses a virtual reality seat selection method and device, equipment and storage medium, through obtaining the seat selection query instruction of the user, according to the seat selection query instruction, the seat state information is inquired, according to the seat state information, the WebGL context is obtained, the 3D model file in the WebGL context is read, the 3D model file is parsed, and the key data is extracted, the key data is loaded and handled, the rendering data is constructed and determined, the rendering shader is initialized in advance, the code is compiled, the rendering program is constructed, the rendering data is input into the rendering program for graphic drawing, and the rendering picture is output to the user. The application provides a more intuitive and convenient seat selection method, and improves the user seat selection experience.
Owner:CHINA SOUTHERN AIRLINES CO LTD