170 results about "Geometric figure" patented technology

The invention discloses a parameterized curved-surface pipe library building method for ship pipe system design, which comprises the following steps: 1) creating a pipe parameterized model structure tree, describing curved-surface geometric characteristics of pipes, and building curved-surface pipes; 2) after creating a pipe section curve, stretching a standard length along the axis direction to generate a curved-surface pipe model, defining related parameters and a shaft system, and establishing an association relationship; 3) defining information such as a geometric figure set and a pipe end interface, and issuing a pipe end geometric center shaft system; 4) establishing a pipe design table; 5) adding material information in the pipe parameterized model structure tree, establishing association between the parameterized model and the design table, and realizing one-to-one correspondence between related parameters in the design table and attributes of the model parameter set through attribute management; and 6) analyzing and generating the curved surface standard component based on the pipe parameterized model. The curved surface standard component is analyzed and generated based on the pipe parameterized model, the data size of the model is smaller, and meanwhile pseudo interference in pipe system design can be greatly reduced.

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 utility model discloses a geometric figure motion trail display device, which relates to the technical field of math teaching aids and comprises a vertical plate, a transverse plate is fixedly mounted on the lower side of the vertical plate, a first supporting column and a second supporting column are fixedly mounted on two sides of the transverse plate, notches are arranged on the upper sides of the first supporting column and the second supporting column, and racks and clamping grooves are placed in the notches. The clamping groove is located on the upper side of the rack, the interior of the clamping groove is of a hollow structure, a sliding groove is further formed in the clamping groove, a center rod is arranged in the sliding groove in a matched mode, the diameter of the center rod is the same as that of the sliding groove, the center rod can rotate and slide in the sliding groove, and a polygonal plate is installed on the center rod and can be in the shape of a regular triangle, a square, a regular pentagon, a regular hexagon and the like. According to the technical scheme, the rotating center rod can drive the polygonal plate to rotate, the motion state is clearly displayed, and observation is facilitated; the movement track of the polygonal plate can be recorded on paper through a pen, and recording and contrast learning are facilitated.

The invention discloses a drawing generation method and device, equipment and a storage medium. The method comprises the following steps: in response to a received assembly drawing generation instruction, obtaining a geometric figure set, determining a target view direction, and searching a target view set corresponding to the target view direction in the geometric figure set; graphic elements and graphic element attribute information in the target view set are read, the graphic elements are output as view labeling information based on the graphic element attribute information, and the graphic element attribute information comprises multiple types of size labeling information, reference standard information and annotation labeling information; and marking the view marking information into a corresponding view to obtain at least one sub-view, and integrating the at least one sub-view into a drawing to generate the assembly drawing. And the generation efficiency and accuracy of the assembly drawing are improved.

The invention relates to the technical field of digital mechanical design, and particularly provides a two-dimensional multi-communication surface domain construction method, device and equipment and a medium, and the two-dimensional multi-communication surface domain construction method comprises the steps: obtaining a geometric figure file of a to-be-analyzed target aero-engine; thirdly, constructing an undirected graph to be processed based on geometric feature data in the geometric graph file, and performing triangulation processing on a first endpoint set in the undirected graph to be processed to obtain a triangulation graph; finally, constructing a dual graph of the triangulation graph, and determining a multi-connected surface domain information set according to a plurality of connected components in the dual graph; according to the invention, the recognition accuracy and efficiency of the two-dimensional multi-connected surface domain can be 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 correlated region feature assisted binocular vision depth estimation method, which comprises the following steps of: 1, matching geometric shapes of object images in left and right views through barycentric coordinates and rotational inertia of the geometric shapes of the object images; 2, through intersection of a key point connecting line on the geometric shape contour of the image and an epipolar line, obtaining a search range of a minimum scale matched with imaging points on the epipolar line of the left and right views; 3, constructing geometric figures of imaging points and key points on the geometric shape contour of the image, calculating the rotational inertia of constructing the geometric figures, matching the imaging points in the left and right views, and calculating the parallax and depth of the matched binocular imaging points; according to the invention, through subdividing the geometric shape area of the image, the imaging point matching range of parallax calculation is reduced, and the binocular matching efficiency is improved; according to the method, the associated region features are used for assisting parallax calculation, and missing of matching feature information of poor regions such as shielding, weak texture and exposure is made up, so that the parallax calculation accuracy is enhanced, and the binocular stereo matching precision is improved.

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.

The invention discloses an end-to-end CAD drawing rollover method and device based on deep learning. The method comprises the steps that vector primitives in a CAD drawing are preprocessed into geometric figures, and an image without a logic level is formed; constructing a component prediction model for predicting component vector description according to the image based on deep learning, and performing two-stage training of unsupervised pre-training and supervised fine tuning on the component prediction model; according to the method, the trained component prediction model is utilized to predict the component vector description, and the predicted component vector description is post-processed to ensure the accuracy of constructing the vector description, so that the technical problems of long time consumption, poor accuracy, weak generalization and incapability of realizing end-to-end existing in the conventional CAD drawing rollover can be solved.

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).

The invention discloses a garment three-dimensional modeling design method, which is characterized in that three-dimensional cutting is carried out in a mode of cutting a hollow geometric figure fabric, an operator can realize manufacturing of various three-dimensional garments by changing the shape of the hollow geometric figure fabric without professional knowledge of garments, and the requirements of different consumers can be met. The manufacturing method is simple and convenient, a large amount of time is not needed, and the production cost is reduced. Meanwhile, the jacket is made of the four-way stretch fabric, and when the jacket is designed by using the fabrics with different hollow geometric figures, the materials of the fabrics with the hollow geometric figures are adaptively selected, so that the wound skirt hem is convenient to form a three-dimensional structure. Besides, in the whole costume design process, only the shell fabric with the holes in the hollow geometric pattern shell fabric is cut off, generated waste materials are few, and the utilization rate of the shell fabric is increased.

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 invention discloses a method for zooming a geometric figure, which comprises the following steps of: A, acquiring position information of key points of the geometric figure after the geometric figure is drawn; b, determining a zoom center; c, obtaining a scaling ratio; d, adjusting the key point set in the step A according to the scaling and the scaling center; and E, redrawing the geometric figure according to the key point set adjusted in the step D.

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.

The wear member (200) includes a first leg (202), a second leg (204), and a throat portion (206) connecting the first leg (202) to the second leg (204). The first leg (202) defines a first leg thickness (T202), and the throat portion (206) defines a throat thickness (T206) disposed adjacent the first leg thickness (T202). A ratio of the throat thickness (T206) to the first leg thickness (T202) is between 1.1 and 1.2.

Method, system for presenting an object on a computing device. A metaphor application on a computing device organizes a user interface based upon a metaphor. The metaphor organizes a document, file, application, or combination thereof based on geospheric direction, geolocation, or both. The metaphor may also organize a document, file, application, data, or a combination thereof based on a solid geometrical figure in three-dimensional Euclidean space. A document, file, application, or any combination thereof may be associated with geophysical direction, a geolocation, or both. The document, file, application, data, or any combination thereof may further be associated with a solid geometrical figure. A presentation object containing data on the document, file, application, data, or combination thereof, and the geospheric direction, geolocation, or both is formatted into data blocks for rendering on a display. The display may be the display screen of the computing device. The metaphor application causes the presentation object to be rendered on the display when the computing device is pointing in the geospheric direction, in the geolocation or both associated with the presentation object.

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 line identification graph generation method, system and equipment. The method comprises the following steps: receiving all points obtained by a touch event; sequentially connecting all the received points to form lines, and judging whether the lines can form a closed geometric figure or not; fitting the lines capable of forming the closed geometric figure into a plurality of line segments according to a set error threshold value, judging whether the plurality of line segments formed by fitting can form an ellipse or a circle or not, and drawing according to the geometric figure formed by the plurality of line segments formed by fitting. According to the method, the lines can be accurately and efficiently identified from the image and the corresponding graph can be generated without depending on any other third-party image library and algorithm library; according to the method, the path lines are generated and calculated by acquiring the points generated by events such as touch or a mouse, then the path lines are fitted into the multiple line segments to judge whether the corresponding geometric figures are generated or not, and due to independence of the method, figure recognition can be achieved at multiple terminals and multiple platforms.

The present invention relates to the field of image processing technology, and discloses a method and device for obtaining a three-tone land class spot stereoscopic image supporting virtual VR, the method comprising: obtaining vector tile block data corresponding to the three-tone land class spot, and processing the vector tile block data to obtain multiple initial geometric figures, and obtaining the corresponding geographical type; color rendering the corresponding initial geometric figures according to the geographical type to obtain multiple land class spots; combining the land class spots to obtain a two-dimensional texture map, and determining the target land class spot, stretching the target land class spot, and generating a three-tone land class spot stereoscopic image. The present invention processes the vector tile block data to obtain multiple initial geometric figures, and then color rendering each initial geometric figure respectively, and obtains the target land class spot, and finally stretches the target land class spot to generate a three-tone land class spot stereoscopic image with a strong three-dimensional sense and supporting virtual VR display.

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.