135 results about "Geometric figure" patented technology

A handwriting geometry recognition and calibration system by using neural network and mathematical feature includes: a pre-processor for pre-processing coordinate points of geometric figures from user's handwriting so as to get a plurality of sample points which expresses the geometric figures to be recognized; a neural network connected to the pre-processor for receiving the sample points of the geometric figure and recognizing the geometric figure so as to acquire a coarse class of the geometric figure; and an mathematical logic unit connected to the neural network for receiving recognition results from the neural network, including coarse classifications which are used in a secondary classification by using conventional mathematical recognition logics so as to determine an exact geometry shape of the geometric figure; then the geometric figure being calibrated so as to get a geometry with a regular shape.

The invention relates to the field of concrete 3D printing, and discloses a path optimization method for concrete 3D printing, which comprises the following steps: firstly, slicing a three-dimensional model of a to-be-printed concrete member, converting the sliced model into a geometric model, and initializing position information of geometric points in the geometric model; according to a graph theory principle, dividing the geometric model into a plurality of areas which can be printed at one time; the method comprises the following steps: constructing slices of a printing model into geometric figures which can be identified by a computer, extracting and numbering vertexes of the geometric figures, respectively recording coordinates of the vertexes, setting an adjacent matrix to describe a connection condition between the vertexes, then storing the vertexes into a partition matrix according to a rule, the partitions can be traversed at a time; finding out a shortest printing path in the plurality of divided areas by using an ant colony algorithm; and the printing platform is controlled to move according to the planned optimal printing path.

A communication method and a related device are used for reducing communication interference of different communication devices by using sparsity of intersection of different geometric figures so as to improve communication performance. In the method, K1 resources determined by a first communication device are included in M resources, and the first communication device can communicate based on the K1 resources. Wherein the M resources respectively correspond to M coordinate points in an N-dimensional coordinate space, and the resource indexes of the K1 resources in the M resources are determined through one solution in a solution set of an i1-dimensional subspace of the N-dimensional coordinate space. Since different solutions contained in the solution set of the i1-dimensional subspace can correspond to different geometric figures in space, the communication interference of different communication devices can be reduced by using the sparsity of intersection of different geometric figures through the implementation mode of determining K1 resources by using one solution in the solution set, so that the communication performance is improved.

The invention discloses a communication method and a related device, which can reduce the communication interference of different communication devices by using the sparsity of intersection of different geometric figures, and can also suppress the collision of resources with smaller girth by using the bending property of a nonlinear space corresponding to a nonlinear equation, so as to reduce the joint collision of different resources and improve the communication performance. In the method, a first communication device determines K1 resources, the K1 resources are included in M resources, K1 is a positive integer, and M is an integer greater than or equal to K1; wherein the M resources respectively correspond to M coordinate points in an N-dimensional coordinate space, the M coordinate points are determined through a nonlinear equation, resource indexes of the K1 resources in the M resources are determined through a solution in a solution set of an i1-dimensional subspace of the N-dimensional coordinate space, N is an integer greater than 1, and i1 is less than or equal to N; and the first communication device sends first information, wherein the first information is used for indicating the K1 resources.

The invention relates to a visual language model training method and system, and the method comprises the steps: providing a multi-modal geometric training data set which comprises a plurality of data units, each data unit comprises digital image data for encoding a geometric figure, a section of text data for describing a question to the geometric figure and a standardized answer encoded in a markup language format supporting machine analysis; generating one or more candidate answers according to the text data and the digital image data in the geometric training data set by applying a reinforcement learning framework and taking the visual language model as a strategy; for each generated candidate answer, a reward function module is applied to allocate a reward value. According to the method, generalized space intelligent improvement is realized, the effectiveness and robustness of training are improved, and the model can be encouraged to explore different problem solving paths and find a correct reasoning chain.

The invention relates to an intelligent analysis and budgetary calculation method and system.The method comprises the steps that an obtained building engineering drawing is analyzed through a geometric figure recognition algorithm, and project structured data of initial design is obtained; analyzing the obtained user demand instruction through a large language model to obtain a demand structured instruction; based on the demand structured instruction, modifying the project structured data through a large language model to obtain demand structured data; and on the basis of the demand structured data, cost calculation of the constructional engineering after demand modification is carried out through an engineering budget algorithm, and a demand budget report is obtained. According to the method and the device, the LLM can be instructed to modify and obtain the budget report by directly inputting the instruction by a user under the condition that the requirements of the construction project are changed, and budget does not need to be performed after manual modification in professional software again, so that the efficiency of automatic engineering budget is greatly improved, and the problem of how to improve the efficiency of existing construction engineering budget is solved.

An information processing device includes a control unit. The control unit executes a process including acquiring experimental data including an experimental condition of each of a plurality of times of experiments and an observed value under the experimental condition, and generating graph data indicating a topological structure of a geometric figure representing a correspondence between the experimental condition and the observed value in a multidimensional space with each of the experimental condition and the observed value being a dimension.

The invention discloses a geographic entity geometric center point extraction method and device, and relates to the field of geographic entity geometric center point extraction, and the method comprises the steps: calculating the gravity center of a two-dimensional geometric figure of a geographic entity through employing a cut complement method; judging whether the gravity center is in the two-dimensional geometric figure of the geographic entity by using a ray method; if yes, regarding the gravity center as the geometric center of the geographic entity; and if not, constructing a Delaunay triangulation network in the geometric figure boundary region of the geographic entity, and extracting the geometric center of the geographic entity according to the Delaunay triangulation network. According to the method, the geometric center of the two-dimensional geometric figure of the geographic entity in any shape can be accurately calculated.

The present application discloses a method, device, equipment and medium for extracting parameter lines of a trimmed digital model surface, relating to the technical field of computational fluid dynamics. A digital model describing the geometric elements of an aircraft is obtained, and the initial geometric figures in the digital model are screened and parameter-configured to obtain geometric figures. It is determined whether the geometric figure is a trimmed surface. If so, parameter lines are extracted from the geometric figure. Mesh lines are generated based on the geometric figure, and intersection detection is performed on the mesh lines and the parameter lines. If they intersect, the horizontal value of the texture image at the intersection is calculated, and the mesh lines are segmented using the horizontal value of the texture image. The midpoint coordinates of the segmented mesh lines are calculated and screened to obtain target midpoint coordinates. The target parameter lines of the trimmed geometric figure are extracted based on the target midpoint coordinates, avoiding the situation of losing the information of the original digital model surface, reducing the complexity of extracting the parameter lines of the trimmed geometric figure, and improving the accuracy of extracting the parameter lines of the trimmed geometric figure.

A rendering method and a rendering apparatus. The rendering method comprises the following steps: receiving a diagram file; interpreting the diagram file to generate a plurality of geometric units and, on the basis of the geometric units, generating a plurality of vertices and a plurality of pieces of entity data; on the basis of the vertices, a graphics processing unit generating a multi-layer picture that contains a plurality of geometric graphics, and executing mouse collision detection between mouse coordinates and the vertices; on the basis of a result of the mouse collision detection, determining that the mouse coordinates contact at least one of the plurality of vertices and, on the basis of the at least one of the plurality of vertices and at least one of the plurality of pieces of entity data corresponding to the at least one of the plurality of vertices, determining a corresponding line segment; and, on the basis of the corresponding line segment, displaying a prompt display effect in the picture. FIG. 2

The invention discloses a three-dimensional sliding verification method and device with an anti-cracking function, and relates to the technical field of equipment verification, and the method comprises the following steps: randomly selecting a chartlet, a geometric figure and a chartlet coordinate; cutting the chartlet to obtain puzzle blocks and a cut chartlet; the map coordinates are converted into corresponding spherical coordinates, and the clipped map is rendered to a sphere space; projecting the sphere space rendered with the clipped chartlet to a touch screen of a client, and projecting the jigsaw blocks to the center of the touch screen of the client; adjusting the posture of the spherical space until the jigsaw blocks and the clipped chartlet form a corresponding chartlet; the to-be-spliced blocks and the clipped chartlet form a corresponding chartlet, and it is judged that identity verification is passed. According to the method, the chartlet is cut, and then the chartlet is spliced by means of the three-dimensional sphere, so that the use of a traditional verification code is canceled, the verification code is prevented from being cracked by a robot, and certain convenience and reliability are achieved.

For object tracking, first and second sensor data generated by means of a surroundings sensor system (3) are obtained. On the basis of the first sensor data, a plurality of first geometric figures (16a, 16b, 16c, 16d, 25) are determined, which each approach a region of at least one object (5, 14, 20, 22, 24) represented by the first sensor data, and on the basis of the second sensor data, a plurality of second geometric figures (16a, 16b, 16c, 16d, 25) are determined, which each approach a region of at least one object (5, 14, 20, 22, 24) represented by the second sensor data. One of the second geometric figures (16a, 16b, 16c, 16d, 25) is selected as a feature to be tracked, and the feature to be tracked is assigned to a reference figure of the first geometric figures (16a, 16b, 16c, 16d, 25), which reference figure matches the feature to be tracked, said assignment being carried out on the basis of a comparison of the plurality of second geometric figures (16a, 16b, 16c, 16d, 25) with the plurality of first geometric figures (16a, 16b, 16c, 16d, 25).

This invention discloses a dynamic geometric drawing method suitable for teaching scenarios, belonging to the field of teaching aid technology. Specifically, it includes the following steps: S1. Construction of teaching objectives and task scripts: Clearly define the invariants to be verified in class and the exploration path, outputting an objective list and activity script; S2. Construction of free points and dependencies: Control the degrees of freedom to ensure dragging stability, outputting a list of free points and a dependency graph; S3. Construction of basic objects: Build a stable geometric skeleton, outputting a set of basic objects; S4. Construction of constraint relationships: Explicitly construct the required geometric relationships, outputting a stable constraint structure. Adapting to the teaching process and strengthening goal orientation: Through the steps of "construction of teaching objectives and task scripts" and "classroom process design," it accurately matches the classroom logic of "phenomenon → questioning → induction → proof," decomposing geometric conclusions into testable relationships, designing an exploration activity chain, and ensuring that dynamic graphic drawing fully serves the teaching objectives, helping students intuitively understand geometric invariants.

The application provides a geometric figure processing method and device, equipment and a storage medium. The method comprises the following steps: acquiring a to-be-recognized image, and recognizing and cutting the to-be-recognized image to determine an initial geometric illustration; performing optimization processing on the initial geometric illustration to determine a target geometric illustration; performing denoising processing on the target geometric illustration to obtain a denoised geometric illustration, acquiring image features of the denoised geometric illustration, classifying the image features to determine a target geometric element, and determining a first vector element according to the target geometric element and a geometric element relationship obtained by disassembling the target geometric element; editing a to-be-edited vector element in the first vector element based on an editing instruction, determining a vector figure according to the to-be-edited vector element and a non-editing vector element, and exporting the vector figure to a figure resource library in a standard format. Thus, high-precision recognition is performed on the geometric figure, and the subsequent labor cost for adjusting the geometric figure is greatly reduced.

A construction system has rods and connectors that may be assembled and disassembled in order to be re-used to construct a variety of geometric figures and other figures. Each connector has a plurality of sockets configured to form joints with the rods. Each socket has a cavity where the cavity has aligned openings. The socket at one of the openings forms an interference fit with an inserted rod.

The utility model discloses an angle gauge, including scale part, alignment amplification part and screw, the scale part includes dial, guide pillar, first pin and nut, the alignment amplification part includes magnifying glass, soft cover, spring, second pin, the dial with guide pillar riveting, the nut with guide pillar riveting, the spring is covered and is established on the second pin, the soft cover is covered and is established on the spring, the second pin is inserted and is established on the magnifying glass, the scale part with alignment amplification part is connected through the nut with screw cooperation, the utility model discloses simple structure can measure or draw geometric figure angle, even close to the geometric figure angle of paper edge, simultaneously, the utility model discloses hand -held convenient, can quickly shift and position.

The invention discloses a rapid skeleton modeling method based on CATIA. Automatic modeling of a steel truss skeleton is achieved through a bridge parameter EXCEL table and a packaged UDF. The method comprises the steps of calling parameter table data by utilizing an EKL language, generating and numbering upper / lower chord nodes in batches, generating chord members, web members and transverse connection lines, constructing a geometric figure set, calling UDF to generate an envelope body model, and supporting a parameter modification rapid iteration model. Structured numbering is adopted for nodes and components, and quick replacement is achieved by associating a section parameter library. The UDF has sweeping and cross section functions, entity generation is driven through a sub geometric figure set, and the node plate is automatically generated through chord member / web member connecting lines. According to the method, modeling efficiency and parameterization level are improved, and the method is suitable for rapid design of steel truss bridges of different structural forms.

The invention discloses a product design method and device based on parameter configuration, a medium and equipment, and relates to the technical field of product design. The method comprises the steps of calling a product attribute input dialog box in response to a to-be-developed request; the product attribute input dialog box comprises a preset attribute information setting item and a non-preset attribute information setting item; in response to attribute values corresponding to preset attribute information and non-preset attribute information input in the product attribute input dialog box by a user according to the design requirements of the to-be-developed product, determining an initial product model of the to-be-developed product; a part parameter editing frame of the initial product model is called, and in the part parameter editing frame, parameter information of all parts of the to-be-developed product is published in the corresponding candidate geometric figure sets; the candidate geometric figure set is created in advance through a CATIA secondary development interface; and obtaining a product model of the to-be-developed product according to the released candidate geometric figure set. According to the method, the operation process of product design is simplified.

In a computer-implemented method for characterising at least one object (5, 14, 20, 22, 24) in the surroundings of a surroundings sensor system (3), sensor data are obtained, said sensor data being generated by means of the surroundings sensor system (3) and representing the surroundings in a three-dimensional manner. On the basis of the sensor data, a symbolic representation of the surroundings is generated, which contains a geometric figure (16a, 16b, 16c, 16d, 25) which approaches a region of the at least one object (5, 14, 20, 22, 24) in the surroundings, and at least one further geometric figure, which in each case approaches a corresponding further region of the at least one object (5, 14, 20, 22, 24). The region of the at least one object (5, 14, 20, 22, 24) is characterised by comparing the symbolic representation of the surroundings with a plurality of predefined reference representations.

The method, device and electronic equipment provided by the embodiment of the application draw a three-dimensional geometric figure, which comprises: determining the three-dimensional coordinates of the feature points of a first geometric face according to the parameters of the target center and the three-dimensional geometric figure to be drawn in a three-dimensional coordinate system; and drawing the first geometric face according to the three-dimensional coordinates of the feature points of the first geometric face and drawing the contour of the first geometric face. Since each geometric face is drawn separately, the drawing information of the first geometric face is saved during drawing, and after the three-dimensional geometric figure is drawn, the drawing information of each geometric face of the three-dimensional geometric figure can be used to process each geometric face of the three-dimensional geometric figure respectively, so that more demonstration functions are realized and the user can understand the three-dimensional structure of the three-dimensional geometric figure more effectively.

The utility model relates to the technical field, in particular to a geometric figure motion trail display device which comprises a bottom plate, a magnetic writing board installed on the bottom plate, a walking plate fixed on the side wall of the magnetic writing board, a limiting rail fixed on the bottom plate, a movable frame installed on the limiting rail in a sliding mode, and an accompanying assembly installed on the movable frame. The accompanying assembly comprises an upper plate, a clamping block is fixed to one side of the upper plate, a lifting mechanism is installed below the clamping block, a figure assembly is rotationally clamped to the lifting mechanism, a vertical hole is formed in the clamping block, and a reinforcing hole is formed in the upper plate. When the device is used, the graphic board with a geometrical shape can roll and walk on the walking board, the magnet block can serve as a paintbrush to scribe on the magnetic writing board, the device is convenient to operate, the graphic board can be driven to roll and advance only by manually pushing the moving frame, and the device is rapid and convenient to use.

The application provides a grid coding method and device. The grid coding method comprises the following steps: acquiring a geometric figure corresponding to a to-be-coded region on a target map; when the geometric figure corresponding to the to-be-coded region is an irregular figure, determining a minimum envelope polygon of the geometric figure corresponding to the to-be-coded region, and determining an identification point of the to-be-coded region according to the minimum envelope polygon; determining a coding level corresponding to the to-be-coded region; and coding the to-be-coded region according to the identification point of the to-be-coded region and the coding level corresponding to the to-be-coded region. The application solves the problem that a coding starting point deviates from a geometric figure, and improves the compatibility of the grid coding method.

The invention discloses an interactive education system based on an internet education platform, which relates to the technical field of education platforms and comprises a simulation operation frame establishment module, a historical operation data acquisition module, a decision node calibration module, a decision thinking path acquisition module, a practical operation thinking path acquisition module, an interaction signal judgment generation module and an interaction module. By acquiring operation data of a student in a real-time test link, which operation units are real-time decision nodes of the student is judged, a practical operation thinking path of the student is calculated, operation behaviors of the student are captured in real time, and the current operation behaviors of the student are abstracted into comparable thinking paths in real time; and comparing the practical operation thinking path of the student with the comparison thinking path, and when the path deviation coefficient is greater than a preset threshold value, taking the standard thinking path of the expert as a flicker geometric figure and superposing the flicker geometric figure on the screen of the student in real time, marking important operation points, and dynamically guiding the real-time deviation of the student.

The utility model provides a demonstration device for mathematics teaching, which relates to the technical field of teaching demonstration and comprises a plurality of corner devices, each corner device comprises a front cover plate, a rear cover plate and a corner sleeve, the front cover plate and the rear cover plate are fixedly connected through a front middle column and a rear middle column, the front middle column and the rear middle column are sleeved with a front clockwork spring and a rear clockwork spring respectively, and the corner sleeves are connected with the front clockwork spring and the rear clockwork spring respectively. The front winding belt and the rear winding belt are connected with the front clockwork spring and the rear clockwork spring respectively and wound around the front clockwork spring and the rear clockwork spring. And the front winding tape and the rear winding tape extend out of the front opening ring and the rear opening ring and are respectively connected with the winding tapes of the adjacent corner devices, so that the demonstration device in which the corner devices are connected is formed. A magnet is arranged at the circle center of the rear cover plate and used for attracting the corner device to a blackboard. Different geometric figures can be demonstrated by moving the angle device. And the winding belt is automatically withdrawn under the tension action of the front clockwork spring or the rear clockwork spring. The geometric figure demonstration instrument can visually and flexibly demonstrate geometric figures, is simple and convenient to operate, and improves the teaching effect and interactivity.

The present invention discloses a method for generating point clouds of precast component BIM models based on the Revit API and Dynamo, belonging to the technical field of computing, inferring or counting. The method includes: establishing a precast component BIM model according to the design drawings; relying on the.NET framework to build a Revit secondary development program framework through an external command interface; constructing an element collector and an element filter to filter and retain family instances; accessing the geometric elements of the family instances, accessing the geometric objects contained in the geometric elements, and obtaining solid class geometric objects therefrom; accessing the attributes of the solid class geometric objects to obtain surface type and edge type geometric objects; using the geometric figure creation method in Dynamo to convert the surface type and line type geometric objects in Revit into geometric objects supported by Dynamo; calling the geometric operation method in Dynamo to discretize the lines and surfaces created in Dynamo into point sets. The present invention can convert the component BIM model into point clouds, store them in txt files, and can be imported into various point cloud processing software and data processing software to provide support for point cloud alignment, component recognition, etc.

The utility model belongs to the technical field of geometric figure space demonstration teaching aids, and discloses a space figure demonstration combined teaching aid for solid geometry teaching, which comprises a center plate, a plurality of fixing sleeves are fixedly arranged on the outer side of the center plate, sliding rods are arranged in the fixing sleeves in a sliding manner, springs are fixedly arranged on the inner sides of the sliding rods, and the springs are arranged on the outer side of the center plate. One side of the spring is fixedly connected with the sliding rod, the other side of the spring is fixedly connected with the center plate, a fixing seat is fixedly arranged on the outer side of the sliding rod, a transverse strip is fixedly arranged at the top of the fixing seat, and a connecting seat is fixedly arranged in the middle of one side of the transverse strip. Meanwhile, various relations existing in the figure space can be demonstrated to students, the students are helped to quickly understand various geometric figures, meanwhile, the various relations existing in the figure space are understood, and therefore the teaching quality is improved, and the burden between an educator and the students is relieved.

The utility model relates to the technical field of teaching aids, and discloses an auxiliary line teaching aid ruler capable of accommodating a teaching aid rod, which comprises a first accommodating seat and a second accommodating seat, a rope is arranged between the first accommodating seat and the second accommodating seat, the upper end of the first accommodating seat and the upper end of the second accommodating seat are respectively provided with a handle cover, and the handle covers are arranged on the first accommodating seat and the second accommodating seat. The lower end of the first storage seat and the lower end of the second storage seat are each provided with a blackboard self-attraction magnetic attaching seat, and the right end of the first storage seat is provided with a first self-attraction magnetic attaching plate. According to the auxiliary line teaching aid ruler capable of storing the teaching aid rod, the first storage seat and the second storage seat are attracted to a blackboard through the blackboard self-attraction magnetic pasting seat, so that the rope is straightened, after the two storage seats attract two points of a figure, the rope forms an auxiliary line on the geometric figure, a real object line segment is used for replacing chalk for drawing, and the drawing efficiency is improved. The position of the auxiliary line can be flexibly adjusted, multiple pilot points of the auxiliary line can be achieved, convenience and rapidness are achieved, the interestingness and emphasis of teaching are improved, and the teaching efficiency is improved.

The present application discloses an electrical design method, system and storage medium for architectural electrical engineering drawings, relating to the field of image drawing, and including the following steps: obtaining the architectural electrical engineering drawing of a target object and extracting the closed contour of the target object; splitting the closed contour according to a preset geometric figure to obtain closed sub-contours; obtaining the attribute information of the closed sub-contours and calculating the areas of the closed sub-contours; determining the types of lamp components and the quantities of lamp components of each type; adding the lamp components to the area of the architectural electrical engineering drawing corresponding to the closed sub-contours and generating the electrical connection lines of the lamp components. After the engineer completes the contour of the electrical engineering drawing, the arrangement of the lamp components is automatically realized by software. The engineer only needs to check and adjust after the lamp arrangement, which can greatly reduce the work burden of the engineer, extend the effective working time of the engineer, and thus improve the drawing efficiency.

The invention relates to a method for detecting a closed loop path of a geometric figure and an electronic device. The method for detecting the closed loop path of the geometric figure comprises the following steps: detecting a first component and a second component in a computer-aided design image file; defining a target point and the position of the target point on the first component and the second component; moving the first assembly from the initial position towards a first direction during a first operation period; determining a first minimum gap position based on detecting that the first component touches the second component during the first operation period; in the second operation period, the first assembly is moved from the initial position to the second direction; determining a second minimum gap position based on detecting that the first component touches the second component during a second operation period; and judging size paths of the first component and the second component according to the positions of the target points on the first component and the second component, the first minimum gap position and the second minimum gap position. Through the closed loop path detection method, the component size or the size chain can be accurately judged, and the manufacturing yield is improved.