74 results about "Graph drawing" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The application discloses a kind of generation method, device and equipment of digital model of distribution area, the method is applied to logistics technical field, the method includes: carrying out digital processing to logistics distribution site, obtains initial digital base map;In response to the graphic drawing instruction triggered in initial digital base map, at least two distribution function areas are created in initial digital base map, and target digital model is obtained;According to the order information of express package, the positioning information of logistics vehicle at current time and loading and unloading scanning data, the logistics attribute information of express package at current time is determined;According to the logistics attribute information of express package at current time, target digital model is rendered, and distribution area digital model is generated.The application realizes the automatic modeling of logistics distribution site, so that the user can intuitively know the logistics attribute information in distribution function area.

The invention relates to the technical field of ground subsidence monitoring analysis, and particularly discloses a linear engineering subsidence analysis method and system based on subsidence monitoring data, and the system comprises a data acquisition and processing unit, a data analysis and extraction unit and a subsidence graph drawing unit, data standardization is realized through abnormal value processing and correction; the intermediate unit is used for matching and superposing the standardized data and a web map coordinate to generate a settlement distribution diagram, and providing a linear engineering routing drawing and buffer area setting window; and the latter extracts settlement data in the buffer area, and generates a histogram or a line graph by taking the length of the routing line or the section line as an abscissa and the settlement amount as an ordinate. The settlement change is visually and quantitatively displayed at the Web end, support is provided for engineering planning and site selection, settlement early warning and risk prevention and control are assisted, and the monitoring and analysis capability is improved.

The application relates to a ship traffic flow basic map drawing method based on a microscopic car following theory, which comprises the following steps: S1, acquiring AIS data in a selected area, carrying out AIS data pretreatment, and establishing a rectangular coordinate system on the area; S2, segmenting a single channel according to a division standard, and preliminarily screening the pretreated AIS data; S3, drawing a ship trajectory map according to conversion information, and screening effective ship car following data pairs from the preliminarily screened AIS data; S4, drawing a speed-car following distance basic map; S5, drawing a speed-density basic map; S6, drawing a speed-traffic volume basic map; and S7, drawing a traffic volume-density basic map. The application screens effective ship car following data by processing AIS data in a selected area, draws a complete maritime traffic flow basic map according to the relationship among traffic flow characteristic parameters, and provides a reference basis for traffic characteristics and traffic conditions of the water area.

The application relates to the technical field of chip design, in particular to a grid shading scheduling system based on a single microprocessor, which adopts a single microprocessor to realize full-process scheduling, effectively reduces the occupation of GPU hardware resources, avoids the synchronization overhead between multiple processors, thereby reducing the scheduling cost, uniformly manages the pointer states of two types of cache units through firmware, dynamically generates scheduling instructions in combination with a preset priority mechanism, ensures that the stages of graphic drawing, grid shading and task shading are sequentially transferred according to the priority, avoids data accumulation or pipeline interruption, reduces the redundant occupation of the cache, improves the resource utilization, improves the efficiency of grid shading scheduling, and further improves the efficiency of overall graphic drawing.

The application discloses a kind of echarts-based relationship graph drawing method and device, the method includes: defining the node data structure of node in relationship graph, define canvas structure and initialize relationship graph drawing canvas according to the canvas structure, determine graph center coordinates;According to the node data structure, construct node, determine the connection relationship between the node;Based on echarts, according to the graph center coordinates, the connection relationship between the node is drawn and generated visual relationship graph;The visual relationship graph includes upper visual relationship graph and center visual relationship graph.Through the application, can make the data of only last two layers in graph, that is, there are at most two center nodes in graph, the name of each center node in complete association path is displayed in the form of text above graph, both reduce the data amount of graph rendering, and do not affect the depth relationship query of data and the presentation of complete relationship path.

The present application provides a graph drawing method and a related apparatus. The method can comprise: an electronic device can construct primitive SDFs and store the primitive SDFs as a global acceleration structure, and perform screen visibility determination and spatial visibility determination for pixel points in a screen by means of a gaze tracking method, so that finally visible primitives at the pixel points can be determined. Moreover, the dynamic effect of the primitives can be calculated by means of gaze tracking, and color values of the pixel points are finally determined. Finally, the electronic device can call a drawcall instruction on the basis of the calculation result to draw a first image frame. In this way, the drawing effect of the electronic device can be improved, and the power consumption of the electronic device can be reduced.

The application provides a drawing drawing method and device based on primitive prediction, electronic equipment and storage medium, and relates to the technical field of computer drawing. The drawing drawing method based on primitive prediction comprises the following steps: obtaining starting primitive information, primitive relationship information and first user operation information; judging the positional relationship between the starting primitive and the first position according to the starting primitive information and the first user operation information to generate a positional relationship result; calling a matched primitive group in the primitive relationship information according to the positional relationship to obtain prediction information, wherein the primitive group in the prediction information comprises at least one primitive; obtaining second user operation information according to the prediction information, and drawing a two-dimensional drawing by calling a drawing engine with a graphical interface according to the second user operation information and the prediction information, wherein the second user operation information represents a selection operation of a user on the primitive in the prediction information. The application can improve the efficiency of drawing.

The present invention discloses a method and system for recording information of a graphic drawing process, and relates to the technical field of recording graphic drawing processes. The method includes: obtaining process information of a subject drawing a graphic and a facial video of the subject; determining the gaze features of the subject during the drawing process based on the facial video of the subject; extracting features from the process information to obtain the graphic features and process features of the subject; splicing the graphic features, process features, and gaze features to obtain the graphic drawing features of the subject; inputting the graphic drawing features into a trained neural network model to predict the cognitive impairment results of the subject. Compared with traditional tests, the present invention can completely preserve information during the graphic drawing process, providing a strong basis for doctors' diagnoses; in large-scale assessment scenarios such as community screening, it can provide technical support for testing large-scale populations using scales containing complex graphic drawing.

The application relates to the field of image processing and embedded visualization, and discloses an embedded high-performance map rendering method, which solves the problems in the background art and comprises the following steps: S1, data preprocessing and coordinate conversion, wherein SQLite is used to carry out hierarchical thinning compression on geographical data, and the geographical data is converted into an ENU or NED coordinate system; S2, lightweight map presentation, wherein a CPU rendering pipeline is constructed by using a QPainter of Qt, and a hierarchical drawing strategy is adopted to dynamically adjust display priority; S3, optimized rendering and real-time updating, wherein an LOD algorithm is adopted in combination with difference detection to redraw only the changed area; S4, graphic drawing and performance optimization, wherein a caching and area clipping mechanism is adopted in combination with spatial index optimization to improve retrieval efficiency; and S5, intelligent display and path planning, wherein a task planning module is integrated to realize real-time visualization of a flight path. The application realizes efficient and smooth map rendering on an embedded platform, and significantly improves the navigation accuracy and task execution efficiency of a low-altitude flight avionics system.