431 results about "Visualization model" patented technology

Methods, systems, and computer program products, implementing techniques for visual query modeling. In one aspect, the techniques include displaying in a web browser a visual model of a database, the visual model including one or more graphical objects representing one or more tables in the database and relations between the tables, receiving in the web browser user input creating a visual model of a query into the database, and generating code for the query based on the visual model of the query.

The present invention comprises a computer-implemented visualization model of similarity relationships between documents. It comprises performing a similarity search based on at least one attribute of a reference document to find at least one target document with similar attributes; creating a visual representation of the reference database document and the at least one target document; creating a visual representation of the similarities between the reference document and the at least one target document; and displaying the visual representations of the database documents and their similarities on a graphical user interface. The target documents that are similarity searched may reside in a plurality of databases. The similarity search returns a result set of target documents that are used by the visualization model to create the visual representation of the documents and the similarities between the documents.

The invention discloses a BIM-based track engineering construction progress information management method. The method comprises the following steps: S1, establishing a three-dimensional simulation model of a to-be-constructed track construction based on BIM (Building Information Modeling); S2, establishing primitive information links for a construction progress plan and the three-dimensional simulation model in the S1, integrating time dimensions and forming a 4D progress visualization model; S3, applying the 4D progress visualization model to dynamic monitoring of the to-be-constructed trackconstruction, and comparing the actual construction progress and quality with the 4D progress visualization model to confirm consistency; if the actual construction progress and quality with the 4D progress visualization model are not consistent, carrying out S4: analyzing reasons of construction progress delays or poor quality; if the actual construction progress and quality with the 4D progressvisualization model are consistent, continuing S5: performing dynamic monitoring on each stage of the to-be-constructed track construction until the construction is completed. The method has the following advantages: the construction progress, related resources, the construction quality, site arrangement or the like can be comprehensively taken into consideration, plans can be formulated reasonably, resource utilization can be optimized, better dynamic monitoring and management of the whole construction progress can be realized, closed-loop feedback can be realized, and the efficiency can be improved.

A computer-aided Internet-based method for visualizing and quantifying the job-related attributes of job candidates, employees and career seekers and a model for visualizing and measuring the comparative fit of an individual's job-related attributes to the requirements of specific job roles. The method includes the steps of making available to the user electronic forms for capturing self-reported, manager-assessed and peer assessed job attributes, a computer adaptive skill testing platform for validating self-reported skills, computer administered personality tests and credential, background and experience validation tools. The visualization model includes the comparison of candidate job-related attributes to predetermined and preconfigured standard job role requirements and dynamic customized job orders which are created by career experts and employers who have access to electronic forms for setting the desired job-related attributes and the relative weighting of these attributes.

The invention discloses a visual model testing device and method for simulating water gushing in a tunnel. The device comprises a model test box, a water tank, a high-pressure water pump, a flow meter, a runoff flow and filling collecting device, a digital photographing non-contact measuring system, an osmotic pressure monitoring system, a fiber grating displacement monitoring system and the like. The testing device is characterized in that the catastrophe evolution process of water gushing in the tunnel is simulated, and anti-gushing rock mass crack growth and water gushing channel formation during water gushing can be directly observed. The device can quantitatively research water gushing behavior of the tunnel under different water pressure, different lithological characters and different thicknesses of anti-gushing rock masses, acquire coupling information of multiple fields such as stress fields, displacement fields, seepage fields and the like during water gushing of the tunnel, determine formation processes and forms of water gushing channels under the effect of different factors, disclose mechanical characteristics and evolution laws in anti-gushing rock mass structure progressive failure processes and provide an effective basis for the tunnel water gushing disaster incoming criterion and the minimum safe thickness analysis method.

The invention discloses a method for extracting parameters of tree branches based on ground laser radar three-dimensional scanning and belongs to the technical field of point cloud data processing of the ground laser radar three-dimensional scanning and the technical field of visualization model simulation of tree forms. The method comprises the following steps: utilizing a ground three-dimensional scanner as a data acquisition platform, scanning and obtaining point cloud data of the tree branches, and dividing the point cloud data of the tree branches into different parts; stratifying the point cloud data in the height direction of the tree, extracting point cloud isolines of different heights of the tree by means of a convex hull algorithm, and constructing tree branch triangular mesh between adjacent isolines by means of a triangulation network growth algorithm; combining a triangulation network of different parts of a tree, and constructing an overall triangulation network model of the tree branches. The parameters of the tree branches are extracted by means of ray collision detection technology, the error between the parameters and the actual measured value is kept to be within 5%, requirements of forest measurement can be met, and the efficiency of forest measurement can be greatly improved.

The invention belongs to the technical field of concrete structure non-destructive microscopic detection, and specifically discloses a concrete microscopic three-phase structure visualization method based on a 3D printing technology. The method comprises the following steps: step one, subjecting a concrete test piece to CT scanning to obtain a plurality of two-dimensional tomography images of the concrete test piece in sequence; step two, cutting the obtained two-dimensional tomography images, and subjecting the cut images to three-dimensional model reconstruction; step three, sending the reconstructed three-dimensional model to a 3D printing machine, and printing a solid model by the 3D printing machine according to the received three-dimensional model. The provided method is based on a three-dimensional digital model, and is combined with a 3D printing technology. Aiming at three phases: mortar in concrete, aggregate, and pores, different composite materials are adopted to carry out 3D printing, a concrete three-phase structure interior visualization model, which cannot be produced by a conventional manufacturing technology, can be produced, and the printing is high efficient and repeatable.

A whole-process simulation experiment system has: a visualized model system with test samples and serving as a bearing device for the simulation of whole-process seepage of filling-type karst; a controllable support system supporting a visualized model box and controlling fluid seepage direction in the box by changing its inclination angle; a servo loading system controlling water pressure in the test process and providing four different loading modes for the box; a high-speed camera system recording water flow and particle motion in a transparent seepage model box in the seepage failure process; a comprehensive data measuring system monitoring and recording the change rules of factors including but not limited to seepage pressure, seepage amount and sand gushing amount in the seepage failure process; and an information analysis and feedback system recording and analyzing the seepage process and the whole seepage failure process in real time to achieve data processing and feedback.

The invention provides a three-dimensional and real-scene data visualization method and device and a computer readable storage medium. The method comprises the steps that inclined three-dimensional image data, real-scene image data and point cloud data of a target area are collected; a three-dimensional model of the target area is established; space matching fusion is carried out on the inclined three-dimensional image data and the three-dimensional model, and an inclined three-dimensional environment model is generated; the real-scene image data, the point cloud data and the three-dimensionalmodel are matched and fused to generate a real-scene image environment model; coordinate matching fusion is carried out on the inclined three-dimensional environment model and the real-scene image environment model, and a three-dimensional real-scene visual model of the target area is generated. By means of the method, space fusion of an inclined three-dimensional environment and a real-scene image can be achieved, so that visualization of the inclined three-dimensional environment and real-scene image fusion data is achieved, and diversity of visual reference information is generated.

The invention discloses a vehicle-mounted laser measuring method for mining area subsidence, which faces to requirements on monitoring of ground surface subsidence caused by exploiting on the mining area, and highly effectively integrates a vehicle-mounted three-dimensional laser scanner, a laser line scanning system and a laser point distance measuring system. The method comprises the steps of observing the mining area subsidence continuously; building a high-accuracy three-dimensional model for the ground surface of the subsidence; carrying out elevation difference detection on the ground surface on the basis of a time sequence; automatically identifying a subsidence area; and extracting subsidence characteristics; building a three-dimensional visual model of the mining area subsidence; and analyzing three-dimensional space moving vectors and deformation curves of an observing point in the horizontal direction, the vertical direction and the random direction, so as to realize the time sequence analysis and three-dimensional space analysis and estimate of subsidence rang change, maximum subsidence change and subsidence speed change, so that a basis for decision making for monitoring, recovering and managing mining area environments can be provided.

The invention discloses a three-dimensional dynamic simulation method for a water outlet process of submarine-launched missiles, and relates to a three-dimensional dynamic simulation method. The method aims to solve the problems of complex testing equipment, high testing cost and weak repeatability in the ground simulation tests. The three-dimensional dynamic simulation method for the water outlet process of the submarine-launched missiles is realized based on CPU-GPU isomerous multithreading development environment, and comprises the following contents: (1) a human-computer interaction platform is built; (2) three-dimensional virtual modeling and displaying for the water outlet process of the submarine-launched missiles are implemented; (3) visualization modeling for the water outlet process of the submarine-launched missiles is implemented based on a particle system; (4) visualization modeling for drum vacuole of the submarine-launched missiles is implemented based on coloring language; (5) sea depth staffs are dynamically displayed; (6) multi-view interactive three-dimensional navigation for the water outlet process of the submarine-launched missiles is implemented; (7) key parameters for the water outlet process of the submarine-launched missiles are visualized. The three-dimensional dynamic simulation method has the advantages of safety, economy, controllability, no damage and recycling property, and can be applied in the technical field of computer simulation methods.

The invention provides a municipal engineering construction monitoring method based on a building information model (BIM). According to the method, first, a monitoring point BIM is constructed, the monitoring point BIM, a civil engineering BIM, a municipal pipeline BIM and a surrounding building three-dimensional model are integrated into a monitoring visual model, monitoring data of monitoring points are matched with points in the monitoring visual model and compared with a set threshold value, and different alarm colors are displayed on the corresponding points in the monitoring visual model according to the difference of comparison results; when the monitoring data exceed the threshold value, alarm information of the monitoring points is sent to a related mailbox or mobile equipment. The municipal engineering construction monitoring method based on the BIM is suitable for monitoring all kinds of municipal engineering construction and can visually display planar and spatial position relations between the monitoring point and all kinds of structures, and the information of the monitoring points where potential hazards occur can be sent to the related mailbox and mobile equipment.

The invention discloses a visualization method of single basketball game data, which includes steps of step 1, acquiring and processing multi-source heterogeneous game data, and acquiring multiple player event numerical groups, differential data, game video data, time mapping data, player statistical data, and player image data; step 2, structuring a single basketball game visualization model, andimporting the data to the single basketball game visualization model; step 3, drawing an image of the imported data in the visible data, performing interactive operation on the data in the image andthen outputting and displaying. The method gathers the multi-source heterogeneous game data and performs the visualization on the game event and the player in terms of a time dimensionality of the whole game.

The invention belongs to the technical field of computer graphics processing, and relates to the tridimensional visual model simplification technology. The tridimensional visual model simplification technology uses the method of combining octree and peak abstract of defined new peak weights. Firstly, a model space is divided into a series of leaf node zones through the octree, and all of peaks are dispersed in the zones; subsequently, the peak abstract algorithm with defined new peak weights is adopted for deleting the peaks, thus simplifying a three-dimensional model. By adopting the method of combining the octree and the peak abstract of defined new peak weights provided by the invention, the simplification quality and the simplification speed of the three-dimensional model are effectively improved.

The present invention provides a public facility safety monitoring system. The public facility safety monitoring system comprises a monitoring device, a data transmission device and a data processingsystem. The monitoring device is connected with the data processing system through the data transmission device. The public facility safety monitoring system solves the problems of relative independence of a public facility monitoring system and system operation dispersion, and solves convenient management caused by dispersion and non-unified formats of data by means of a cloud computing platform.A three-dimensional visualization model is established, linkage with the public facility online monitoring real-time data achieves dynamic display of monitoring data, massive historical data obtainedthrough public facility structure online monitoring is subjected to scientific big data analysis, a structure change trend is estimated by grasped public facility operation state data at any time, and an analysis result is fed back a public facility management and structure design department in a simple and clear mode.

The invention relates to the technical field of fire-fighting digitization, and provides a fire-fighting three-dimensional digital planning method fusing a fire behavior prediction model. The fire-fighting three-dimensional digital planning method comprises the steps: building a three-dimensional visualization model of a building structure according to a building structure drawing, and extractingthe internal layered structure information and fire-fighting information of the building structure; indoor panoramic image generation: collecting indoor information through a panoramic camera or a camera, and obtaining indoor material attributes and material parameters; and inputting the building structure internal layered structure information of the three-dimensional visualization model, the indoor material attribute and the material parameter information of the fire disaster and the weather information when the fire disaster occurs into the fire behavior prediction model to obtain a fire behavior spreading trend analysis result. By means of the three-dimensional visualization, indoor panorama and fire behavior prediction model technology, the fire-fighting three-dimensional digital planning method can be applied to various fire scenes in real time, can make corresponding adjustment of three-dimensional digitization and prediction models according to real-time fire scene dynamic changes, and can meet the fire fighting actual combat requirements. The fire-fighting three-dimensional digital planning method has the advantages of flexibility, convenience, accuracy, high efficiency, intelligent fire protection and scientific and technological fire protection.

The embodiment of the invention discloses a data processing method and system for machine room equipment. The method comprises the following steps: acquiring feature information of equipment in a machine room through a data acquisition device, wherein the feature information comprises configuration information of the equipment and operation state data of the equipment; filtering the operation state data of the equipment by adopting a preset threshold strategy, and sending the obtained operation state data meeting a preset condition to a server; enabling the server to obtain a visual model of the equipment in the machine room; obtaining a pre-established association relationship between the configuration information of the equipment and the visualization model; and displaying the operationstate data meeting a preset condition on a display interface of the visual model based on the association relationship, so that the operation state of the equipment can be mastered in time. Accordingto the method, the characteristic information of the equipment in the machine room is correspondingly associated with the visual model of the equipment, so that the operation state change data of theequipment can be visually displayed, the abnormal operation condition of the equipment can be timely and visually mastered, and the operation and maintenance cost of the equipment is reduced.

The invention relates to a growth and management interactive visualization simulation method for a forest stand. The growth and management interactive visualization simulation method for the forest stand comprises the steps that firstly, variables needed by a full forest stand growth model, a diameter class growth model, an individual tree growth model and a forest measurement factor estimation model are established; secondly, a user-defined forest stand growth model analyzer is constructed; thirdly, the current situation and the variables of the forest stand after growth changes are automatically stored dynamically, extracted and calculated; fourthly, an individual tree visualization model parameter calculation method based on a user-defined forest stand growth model is constructed, and interactive forest stand growth visualization simulation under the user-defined forest stand growth model is achieved; fifthly, visualization simulation is carried out on the forest stand structures, forest stand two-dimensional states and three-dimensional scenes before and after management of the forest stand by adopting the GDI and drawing technology and the MOGRE technology, and growth and management interactive visualization simulation of the forest stand is achieved.

The invention relates to a design method of a three-dimensional simulation system for mining, which overcomes the defects that a three-dimensional simulation technology is low in quality, precision and intelligent mapping degree in the mining process. The design method comprises the following steps of: manufacturing an earth surface entity by a topographic mapping method using a rotary mating TIN (Triangulated Irregular Network) and distance and included angle biweight interpolation method; manufacturing a geological map of a surveying area by a geological surveying method of directly manufacturing a geological surveying result plan and an elevation by a disclination maneuvering network non-section method; synthesizing a three-dimensional visual model of mining geology; performing stripping design on a strip mine, or design on shaft building, advancement and exploitation of an underground mine, obtaining the position and direction of an intersecting line of two flats of broken mines (rocks) at a fault according to original geological data in shaft building, excavation or stripping, and adding the position and direction to the three-dimensional visual dynamic model, a sinking and driving engineering layout plan and a mine (rock) stratum (body) seam floor contour (isopach) map for mining geology and exploitation engineering; and establishing a mining geology and exploitation management module.

Interactive data visualization features are provided, including three-dimensional (3D) visualization features and functionality, but the embodiments are not so limited. An exemplary method includes a declarative process of defining and using 3D data visualizations where visual appearance, states, and/or interaction options are based in part on an associated visualization model and/or measures of data. An exemplary computing architecture includes a number of components configured to provide declarative visualization design, interaction, and/or viewing features. Other embodiments are included and available.

The invention relates to a high-temperature and high-pressure visual seepage experimental device and method for real sandstone. The device comprises a real sandstone high-temperature and high-pressuremicroscopic visual model arranged in a high-temperature and high-pressure kettle; the high-temperature and high-pressure kettle is connected with a pressure system for pressurizing the real sandstonehigh-temperature and high-pressure microscopic visual model; the high-temperature and high-pressure kettle is provided with a microscope; the real sandstone high-temperature and high-pressure microscopic visual model comprises a rock sheet; the lower surface of the rock sheet is provided with first glass; the first glass and the rock sheet are connected through an adhesive; two holes are formed in the first glass; a distance between a model fluid inlet and a model fluid outlet is greater than the length of the rock sheet; the upper surface of the rock sheet is provided with second glass; andthe side walls of the rock sheet are respectively provided with a box dam with an inlet guide groove and a box dam with an outlet guide groove along the width direction of the rock sheet. Because therock sheet is a real reservoir sample, the rock sheet has real reaction performance, and a corresponding visual seepage experiment can be carried out under high temperature and high pressure. The device has the advantages of simple structure, flexible operation and high efficiency.