154 results about "Graph drawing" patented technology

The invention relates to the technical field of tunnel engineering monitoring, in particular to a tunnel abnormity early warning and trend prediction method and system. Comprising the following steps: S1, data collection and arrangement; s2, tunnel health monitoring data anomaly recognition: monitoring a long-term change trend in a sequence by taking an LSTM method as a main method, and giving an early warning signal before an anomaly occurs; an ARIMA method is used as a supplement, a relatively strict threshold value judgment method is set, a sequence short-term change trend is monitored, and an early warning signal is timely identified and sent out, so that application and implementation of an overall data anomaly identification algorithm are realized; s3, decomposing tunnel health monitoring data elements, and constructing a prediction model; and S4, performing spatial-temporal change feature analysis on the decomposed elements. Compared with the prior art, the method is more suitable for a real-time anomaly cleaning algorithm of tunnel health monitoring data, a system constructed based on the whole method achieves dynamic graph drawing of measured values and model predicted values through input tunnel monitoring point historical numerical values and a model of a built-in algorithm, dynamic early warning of the tunnel health monitoring data is more visually reflected, and the method is more suitable for real-time anomaly cleaning of tunnel health monitoring data. And necessary services are provided for a tunnel intelligent operation and maintenance management platform.

The invention provides a fractal graph drawing method and device, a storage medium and electronic equipment, and relates to the field of computer graphics. The method comprises the following steps: the electronic equipment iterates a preset number of times by utilizing a current basic fractal graph to obtain a derivative fractal graph; judging whether the number of pixels required for displaying the derivative fractal graph is changed or not compared with the current basic fractal graph; if the derivative fractal graph will change, taking the derivative fractal graph as a new basic fractal graph, and returning to the step of obtaining the derivative fractal graph by utilizing the current basic fractal graph to carry out iteration for preset times; and if the fractal graph does not change, taking the derivative fractal graph as a target fractal graph. Thus, whether the fractal graph reaches the optimal definition or not is judged by judging whether the number of pixels before and after iteration changes, and compared with visual inspection, the definition of the fractal graph can be judged more objectively.

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 graphics processor, a graphics drawing method, a chip and electronic equipment, and belongs to the field of chips. The graphics processor comprises a geometric processing pipeline, and the geometric processing pipeline is used for realizing the functions of an amplification shader and a grid shader; the geometric processing pipeline comprises a first task generation pipeline used for creating an amplification shader thread group; the shader execution unit is used for operating the amplified shader thread group to obtain an amplified coloring result and a second drawing instruction; the task control unit is used for inputting the second drawing instruction into the second task generation assembly line; the second task generation pipeline is used for creating a grid shader thread group based on the second drawing instruction; the shader execution unit is used for operating the grid shader thread group and obtaining a grid coloring result based on the amplified coloring result; and the task control unit is used for outputting a grid coloring result. The invention provides a geometry processing pipeline supporting a grid shader and an amplification shader.

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 discloses a graphics processor, a graphics drawing method, a chip and electronic equipment, and belongs to the field of chips. The graphics processor comprises a geometric processing assembly line, and the geometric processing assembly line comprises a first task generation assembly line, a task control unit, a second task generation assembly line and a task execution unit. The task control unit is used for acquiring a first coloring result based on the received first task information in the single-pipeline mode, and outputting the first coloring result to a pipeline behind the geometric processing pipeline; and acquiring a first coloring result based on the received first task information in the double-pipeline mode, and controlling the first coloring result to enter a second task generation pipeline, and based on the received second task information, obtaining a second coloring result, and outputting the second coloring result to an assembly line behind the geometric processing assembly line. According to the geometric processing pipeline, geometric processing parts of different rendering pipelines can be combined into the same data stream.

The invention relates to a graph drawing method, a graph drawing device, electronic equipment and a storage medium, and belongs to the technical field of graph drawing. The method comprises the steps of obtaining user drawing board operation event information, obtaining a user drawing board operation element method through a predefined drawing board operation method mapping table, obtaining user drawing board operation element change data through drawing board updating logic calculation, and obtaining user drawing board operation element change cache data through caching of a data storage mechanism, the method comprises the steps of generating a real-time preview image through WebGL, determining user drawing board operation element difference data through data comparison, obtaining user drawing board operation element difference data vector diagram data through SVG format conversion, and performing drawing board local rendering through a Canvas API. The rendering precision of the drawing board is dynamically adjusted according to equipment performance data, multiple rendering tasks are calculated in parallel through a multi-core processor, and a next drawing board operation type label of a user is predicted through a user drawing board operation prediction model, so that related operation controls are preloaded, and the response speed is increased.

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 embodiment of the invention provides a graph drawing method and device and electronic equipment, in the graph drawing method, the electronic equipment responds to a vertical synchronizing signal, obtains an input callback instruction, then obtains a touch point, draws a graph according to the touch point, and draws a graph drawing result into a default frame buffer object. And then, the electronic equipment copies the graph drawing result from a default FBO to an eglImage bound FBO, obtains a callback instruction of a drawing frame in response to the vertical synchronizing signal, obtains the graph drawing result in the eglImage bound FBO in response to the callback instruction of the drawing frame, and fills the created bitmap with the graph drawing result. And finally, the electronic equipment draws the filled bitmap on the canvas. In this way, rendering can be executed on the time sequence of the original control view in the mode that off-screen rendering is combined with rapid copying, and the handwriting effect and handwriting chirality of handwriting applications can be improved.

The embodiment of the invention provides a graphic image rendering method adaptive to different rendering interfaces. The graphic image rendering method comprises the following steps: firstly, identifying a platform graphic library and reading a graphic drawing and image rendering interface of the platform graphic library; the 2D rendering engine receives the rendering task and then sends the rendering task to the basic layer, analyzes the type of the layer structure and judges the type; when the graphic layer is a graphic layer, the base layer is converted into a rendering task through a general plane 2D graphic rendering library interface, and a graphic rendering interface of the graphic layer analyzes a graphic type and then calls a graphic drawing interface of an adaptive graphic library for rendering to obtain a graphic result; and when the image layer is an image layer, the base layer is also converted into a rendering task through the general plane 2D graphic rendering library interface, and the image rendering interface borrows the image information through the reference layer and then calls the image rendering interface matched with the image library to render to obtain an image result. Cross-platform adaptation of different graphic image rendering interfaces and graphic image rendering are achieved, the rendering problem caused by platform differences is effectively solved, and the universality and compatibility of graphic image rendering in a multi-platform environment are improved.

The invention relates to the field of milling, in particular to a method for predicting milling chatter stability, which comprises the following steps of: 1, establishing a milling process dynamic differential equation containing a regeneration effect; 2, converting a time-delay kinetic equation of the milling system into a state-space equation; 3, solving through a third-order Hermite interpolation polynomial approximation state item and a second-order Newton interpolation polynomial approximation time delay item; and 4, constructing a Floquet transition matrix according to the solution of the state-space equation, and judging the stability of the milling system. The invention provides a stable lobe graph drawing method based on an improved full discrete method. According to the method, the calculation precision is remarkably improved, the calculation efficiency is effectively improved, and the requirements in practical application can be better met.

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.

Provided in the embodiments of the present application are a graphics drawing method and apparatus, and an electronic device. The graphics drawing method comprises: in response to a vertical synchronization signal, an electronic device acquiring an input callback instruction; then acquiring touch points; drawing graphics on the basis of the touch points, and drawing a graphics drawing result into a default frame buffer object (FBO); then, the electronic device copying the graphics drawing result from the default FBO to an FBO bound with eglImage; in response to the vertical synchronization signal, acquiring a callback instruction for a drawn frame; in response to the callback instruction for the drawn frame, the electronic device acquiring the graphics drawing result in the FBO bound with the eglImage; filling a created bitmap with the graphics drawing result; and finally, the electronic device drawing the filled bitmap on a canvas. Thus, rendering can be executed on a time series of an original control view by means of off-screen rendering in combination with fast copying, thereby improving the handwriting effect and handwriting following performance of a handwriting application.

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.

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 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.

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.

The invention provides an automatic layout method and device for a main wiring diagram of a transformer substation, and belongs to the technical field of circuit diagram drawing, and the method comprises the steps that first data is processed to obtain transformer parameters, and the first data is power grid equipment topological structure data; determining a plurality of buses and bus equipment corresponding to each bus, and calculating a first connection relation line taking the bus equipment as a starting point based on the transformer parameters, the bus equipment and each node; carrying out layout on the bus equipment and the load equipment based on the first connection relation line to obtain a first main wiring diagram; and optimizing the first main wiring diagram based on the first data to obtain a target main wiring diagram. The graph drawing efficiency can be improved, and the drawing result display effect is enriched.

The invention relates to a ship navigation risk coupling visualization method and system fused with multi-dimensional element information, and the method comprises the following steps: constructing ship navigation accident samples based on multi-dimensional elements, classifying according to a plurality of conditions to form classification samples, and calculating ship navigation risk coupling values under each classification condition according to the classification samples; aiming at the target ship, calculating risk coupling values under different classification conditions, and taking a maximum value and a minimum value of calculation results as a risk coupling value interval of the target ship; a drawing data sample is formed based on the ship navigation accident sample and the calculated risk coupling value interval, the data sample is divided according to the risk type and number in the drawing data sample, data sorting and graph drawing are carried out, and visualization of the ship navigation risk coupling interval is achieved. Compared with the prior art, the method has the advantages that risk coupling comparison and evaluation are facilitated, and images are more visual.

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 is suitable for the technical field of medical treatment, and provides a medical image parameter measurement method and device and electronic equipment. The parameter measurement method for the medical image comprises the following steps: displaying the medical image; in response to a measurement event triggered on the medical image, setting a cursor point according to the measurement event, and switching the current drawing state in the multiple preset states until the current drawing state is switched to an end state in the multiple preset states, determining a target graph according to cursor point information of the set cursor point, and outputting a parameter measurement result corresponding to the target graph. According to the embodiment of the invention, the logic complexity of graph drawing in the parameter measurement process can be 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 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.

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.