48 results about "Graph drawing" patented technology

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 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 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 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 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 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.

The invention relates to the technical field of data processing, and discloses a data visualization rendering performance optimization method and system, and the method comprises the steps: carrying out the self-adaptive compression processing of an original visualization data set, and obtaining a compressed data flow of the original visualization data set; based on a preset visual importance rule, performing dynamic detail hierarchical division on the compressed data stream to obtain a hierarchical data organization; according to the view cone parameter of the current view, selecting target hierarchical data matched with the view cone parameter from the hierarchical data organization; transmitting the target hierarchy data to a graphic cache of the current view, and calling a graphic drawing interface to render the target hierarchy data to obtain an initial frame picture of the current view; the rendering performance index of the initial frame picture is monitored in real time, a detail level selection threshold value according to which a subsequent frame is rendered is dynamically adjusted based on the rendering performance index, and an optimized frame picture of the current view is generated; according to the method, the optimization efficiency of the data visualization rendering performance can be improved.

The invention discloses a map information interaction method and device, equipment, a medium and a product, and relates to the technical field of computers. The method comprises the following steps: displaying a virtual map corresponding to a virtual scene; in response to a received first drawing operation on the virtual map, displaying a first graph drawing result, the first graph drawing result being used for expressing an action strategy of at least one of the first virtual object and the second virtual object in the virtual scene through the virtual map; and sending the first graph drawing result to the second account, wherein the first graph drawing result is used for being displayed on a terminal interface logged in by the second account. According to the method, the accuracy of action strategy information transmission is improved, and the accuracy of communication between users is improved.

The application provides a method for collecting data and drawing electronic drawing paper based on Android mobile platform, which comprises obtaining formatted data file containing array of graphic elements and world coordinate system coordinates of each graphic element; generating array set containing graphic elements; integrating array set containing graphic elements and absolute coordinate system coordinates of graphic elements into tree structure after converting world coordinate system into absolute coordinate system; determining anchor point coordinates of each graphic element and simultaneously calculating size of rectangular display area where the element is located, and dynamically comparing to obtain boundary of the entire electronic drawing paper; converting absolute coordinate system of graphic elements into relative coordinate system to perform editing and / or scaling operation of graphic elements; calculating initialization scaling multiple of electronic drawing paper on screen, and performing scaling on all graphic element coordinates according to the scaling multiple; performing graphic drawing, and calling rendering component to render graphic element objects in drawing layer range after completion to realize graphic display.

This application discloses a path optimization-based graphic drawing method, device, and storage medium, belonging to the field of laser processing technology. The method includes: acquiring vector graphics data, dividing the vector graphics data into at least two blocks based on a preset height value, acquiring directional weights and the centroid distance of graphic elements in the blocks, determining the processing sequence of graphic elements based on the directional weights and the centroid distance, solving for the optimized path of the blocks based on the processing sequence using an ant colony algorithm with minimum energy consumption as the optimization objective, integrating the optimized paths to generate a processing path, and controlling the laser processing equipment to execute the graphic drawing action of the material to be processed based on the processing path. This application adopts a path planning strategy with minimum energy consumption as the optimization objective, comprehensively balancing key factors affecting heat accumulation such as cutting direction and idle stroke distribution, avoiding overheating at corners caused by the processing path, and improving the accuracy of laser graphic drawing.

The invention discloses a method and device for generating a sub-graph of a commercial vehicle wire harness according to configuration and a medium, and relates to the field of automobile design, the method comprises the steps that a designed wire harness mother graph is acquired, and the mother graph comprises wire harness information corresponding to all configuration items; importing a wire harness material number associated with the configuration item, and recording the material number and the configuration item in the item characteristics; extracting wiring harness information in the mother image, wherein the wiring harness information comprises connector information, line segment information, wrapping object information and wire information; checking whether the condition that the configuration items are completely the same but the material numbers of the wire harnesses are different exists, and if not, creating a sub-graph drawing; drawing the extracted wire harness information into a sub-drawing according to the coordinates; according to configuration items corresponding to the sub-graphs, screening and creating wires meeting conditions from the wire information; checking whether each line segment in the sub-graph contains a lead or not, and if the line segment does not contain the lead, deleting the line segment and the plug-in connector connected with the line segment; and placing a plug-in connector list and a graphical representation in the sub-graph to complete the generation of the sub-graph.

This invention discloses a Unity-based graphics rendering method, system, storage medium, and device, relating to the field of graphics rendering technology. The method includes: acquiring an XCharts development toolkit, which includes an XCharts main program; creating a Unity project using the Unity engine based on the XCharts main program; creating a new rendering scene in the Unity project; identifying the rendering scene and creating a UI component based on an image source within the rendering scene; adding a code component to the property panel of the Unity project; loading the code component and setting the color values, coordinate values, and graphic form of the Unity project in the source code based on the code component; and generating a target graphic in real-time based on the rendering of the UI component according to the color values, coordinate values, and graphic form. This invention solves the problem of high development barriers and low efficiency in existing technologies where graphics rendering requires image construction or knowledge of computer graphics.

The present disclosure provides a new energy site mass geographic vector data backend rendering method and device. The backend rendering method comprises: receiving a rendering request sent by the front end, the rendering request containing a style configuration identifier, a tile number sequence and an output format; according to the tile number sequence in the request, locating and reading the corresponding binary vector tile data from the vector tile data package preloaded by the tile service engine; matching the corresponding style attribute data according to the style configuration identifier; completing the graphic drawing based on the binary tile data and the style attribute data in the server memory, and generating the corresponding raster tile according to the requested output format, realizing the backend dynamic rasterization publishing; returning the raster tile to the front end for display, and releasing the server memory after the transmission is completed. Through the above method, efficient backend rendering can be realized, the front end load is reduced, the map response speed is improved, at the same time, rasterization is completed in the memory and resources are released in time, and the server resource utilization efficiency is optimized.