26 results about "Scale (map)" patented technology

The invention discloses a structured corpus generation method and device for geological map multi-modal large model training, and the method comprises the steps: preprocessing geological vector data, and constructing a semantic aligned geological data set; randomly selecting a data viewport, and setting the geographic space range and size of a map viewport; configuring a plurality of visual parameter items, performing controllable random adjustment on text labels, element symbols and map maps, and customizing and producing geological map samples as required; extracting multi-dimensional attribute information of the geological map sample to construct structured meta-information annotation data, and constructing a geological element mask annotation file to obtain a structured corpus for geological map multi-modal large model training. According to the method, large-scale production of the training samples with diversity, high quality and image-text alignment features is realized, the geological map corpus meets the requirements of multi-modal large model training on data scale, diversity, labeling precision and modal alignment, and the training efficiency and generalization ability of a geological map intelligent interpretation understanding model are remarkably improved.

The invention provides a geological map understanding method combining knowledge guidance and few-sample learning, and relates to the field of geological maps, comprising the following steps: constructing a data set composed of geological maps containing legend; constructing an expert knowledge base composed of geological experts and a geological legend sample set as a domain knowledge guide large model; adding a local visual enhancement prompt to the legend of each geological map in the data set; constructing prompts for a geological map understanding task, wherein the prompts comprise few-sample learning example guidance, result output specifications and the like; and constructing a feedback mechanism, feeding back the map with low accuracy of the output result of the large model, and returning to the prompt design step to redesign prompt. Through a method from local understanding to global understanding, domain knowledge is provided for a large model as assistance, understanding of legend in the map is enhanced, the problems of insufficient universality of the large model and dependence on large-scale annotation data are effectively relieved, and the efficiency and accuracy of geological map understanding are improved.

This invention discloses a method, apparatus, device, and storage medium for constructing a 3D map, applicable to the field of 3D mapping. It involves determining a reference point within the view frustum of a viewpoint, constructing a reference plane containing the reference point and parallel to the view frustum, determining the height of the 3D map rendering interface window, and determining the height of the reference plane window. The unit of the 3D map rendering interface window height is pixels, while the unit of the reference plane window height is length. A distance-pixel ratio is determined based on the ratio of the reference plane window height to the 3D map rendering interface window height. The 3D map scale of the reference point is determined based on the distance-pixel ratio, constructing a 3D map containing the 3D map scale. Based on perspective projection rules, the scale information at any location in the 3D map can be calculated quickly and accurately, improving the efficiency of constructing a 3D map with a high-precision scale. The high-precision scale can assist in obtaining accurate geographic information within the 3D map, thereby improving modeling accuracy.

The application belongs to the technical field of information display and processing, and discloses a two-three-dimensional map scale synchronous implementation method and system based on open source Hongmeng. The method comprises the following steps: initializing a comprehensive data management component, a two-dimensional map engine component and a three-dimensional engine component through a system interface respectively to obtain the initialized components and resource allocation results; the comprehensive data management component reads the basic scale data of the two-three-dimensional map, establishes a mapping relationship model of the two-dimensional and three-dimensional scales and sets an initial synchronization reference value; when operating any side map, the corresponding engine component calculates the current scale and transmits it to the comprehensive data management component; the comprehensive data management component pushes the synchronization parameters to the other side engine component after scale conversion according to the mapping relationship model to obtain the synchronized scale parameters; and the two-dimensional map engine component and the three-dimensional engine component receive the synchronized scale parameters respectively and adjust the map rendering scale to obtain the map display result with consistent scales.

The invention discloses a three-dimensional map construction method, device and equipment and a storage medium, and is applied to the field of three-dimensional maps, a reference point is determined in a visual cone of a viewpoint, and a reference plane which contains the reference point and is parallel to a far section of the visual cone is constructed; determining the height of a three-dimensional map rendering interface window, and determining the height of a reference plane window of a reference plane; the unit of the height of the three-dimensional map rendering interface window is pixel, and the unit of the height of the reference surface window is length; determining a distance pixel proportion based on a ratio of the reference plane window height to the three-dimensional map rendering interface window height; and determining a three-dimensional map scale of the reference point based on the distance pixel proportion, and constructing a three-dimensional map comprising the three-dimensional map scale. Based on the perspective projection rule, the measuring scale information of any position in the three-dimensional map can be rapidly and accurately calculated, the efficiency of constructing the three-dimensional map containing the high-precision measuring scale is improved, the high-precision measuring scale can assist in obtaining accurate geographic information in the three-dimensional map, and then the modeling precision is improved.

The invention provides a target detection and map construction device and method, equipment and a medium, and the method comprises the steps: carrying out the feature extraction of perception data, obtaining a multi-scale feature, determining the initial position and the target size of a target object based on the perception data, determining a target scale feature matched with the target object based on the target size and the multi-scale feature, and carrying out the detection of a map. And based on the initial position and the target scale feature, determining a local feature of the target object, and based on the local feature and the initial position, determining a target detection result of the target object. Therefore, the target scale features are dynamically determined through the target size, the features with more matched scales can be dynamically selected for the targets with different sizes, the problem that details of small targets are lost or redundant information of large targets is interfered by fixed single-scale features is avoided, the pertinence and effectiveness of feature expression are enhanced, and the accuracy of feature expression is improved. Therefore, the accuracy of target detection can be improved.

The invention provides a conversion method and system based on a DXF format map, a storage medium and electronic equipment. The method comprises the steps that all primitives in the DXF format map are traversed in a recursive mode, and primitive information is extracted; determining physical size information corresponding to a PGM format map according to the primitive information; determining a coordinate transformation matrix from a physical coordinate system to an image coordinate system according to a custom scale and the primitive information; and determining a PGM format map corresponding to the DXF format map according to the custom scale, the physical size information, the primitive information and the coordinate transformation matrix. According to the method, end-to-end automatic conversion from the map in the DXF format to the map in the PGM format is realized, manual intervention is not needed, and the map generation efficiency and the map precision are greatly improved; the method also supports a user to customize a proportional scale, can adjust the size and precision of the map according to different application scenes and conditions, and is higher in flexibility and wider in adaptability.

The application discloses a riverway three-dimensional reconstruction method and system for riverbed reconstruction, relates to the model construction technical field, and comprises the following steps: dividing geographical features into slowly-varying geographical features and rapidly-varying geographical features, clustering twice by virtue of the two types of features, improving the reliability of clustering analysis, and providing a reliable basis for the establishment and reconstruction of subsequent models. The local initial area of the riverway topographic map is demarcated by means of riverway geographical evolution indexes, the boundary effect of the initial area is analyzed to adjust the local initial area, and the respective description scales of the global area and the local area are determined according to the riverway geographical evolution indexes and geographical feature information in the global area and the local area. A plurality of control points are selected in the global area and the local area, the global model and the local model of the riverway are superposed by virtue of the plurality of control points, the rationality and adaptability of the riverway three-dimensional modeling are improved, and the plasticity and description precision of the riverbed reconstruction are ensured.

The invention provides a rock mass mechanical property intelligent prediction and parameter optimization method based on digital twinning, and belongs to the technical field of geotechnical engineering and intelligent calculation crossing, and the method comprises the steps: S1, obtaining data; s2, performing scale mapping and unified expression; s3, carrying out modal division; s4, extracting feature data; s5, feature coding and fusion; s6, constructing a mechanical behavior prediction and parameter optimization model; s7, outputting a prediction result and / or an optimization result; and S8, performing adaptive closed-loop optimization. According to the method, by providing an intelligent analysis scheme combining experiment-numerical simulation fusion and cross-scale data modeling and physical prior constraint, rapid and accurate prediction of the mechanical response of the rock contact surface and intelligent inversion and optimization of key mechanical parameters of the contact surface are realized; and finally, the calculation efficiency, the prediction precision and the engineering applicability of mechanical analysis of the rock contact surface are comprehensively improved.

The application relates to the technical field of OV interactive map, and discloses a geological data interaction method and system based on an OV interactive map. The method comprises the following steps: performing feature recognition and structure analysis on original geological data to obtain a standardized data package and establish a geographic space reference conversion index table; performing feature extraction and classification on geological elements in the standardized data package to obtain structured geological data; importing the structured geological data into the OV interactive map, performing local registration through a grid subdivision technology, and obtaining a visual geological element layer; performing geological element drawing and attribute input to obtain an edited completed geological data set; and performing structure recombination and reverse coordinate conversion to obtain a standard format data file suitable for a target geological information system. The application realizes accurate conversion of multi-source geological data between different coordinate systems and scales, and effectively solves the spatial dislocation problem during integration of geological data of different sources in a traditional method.

The present application relates to the technical field of map making of geographic spatial data expression, and particularly relates to a map generation method supported by a customized large model, wherein the method comprises: establishing a cartographic demand corpus set and a structured cartographic instruction set according to cartographic demand, and constructing a map making corpus; fine-tuning the customized large model by using a fine-tuning mechanism and a cross-entropy loss function of the customized large model; collecting basic geographic information data satisfying a preset large-scale condition, and constructing vector tiles corresponding to multi-scale map making data; constructing at least one map making function comprising a data selection function, a symbol configuration function, a note placement function, a legend generation function, a scale placement function and a border decoration function, and generating a map supported by the customized large model.The present application can realize professional map instruction output of the customized large model for different map demands, and dispatches a cartographic engine to perform automatic map making, thereby greatly reducing map making time.

This invention relates to the field of electronic digital data processing technology, specifically disclosing a kernel density calculation method for map segmentation and annotation configuration. Combining sliding window scanning and annotation text length weighting mechanisms, it quantifies the spatial density distribution of geographic elements such as points, lines, and polygons in a digital map and outputs it as a kernel density point set. This accurately reflects the spatial element density distribution in various regions of the digital map, providing scientific data support for subsequent digital map segmentation, conflict identification, and annotation configuration. Furthermore, during the process of traversing various regions of the digital map using a sliding window method, the window size can be adjusted to adapt to different digital map scales and annotation density requirements. This invention also establishes a boundary expansion mechanism to address the sliding window edge problem, ensuring the continuity and integrity of kernel density calculation across the entire map.

The invention provides a visual style dynamic management method based on a map layer tree, and belongs to the technical field of geographic information management, and the method comprises the following steps: S1, constructing an initialized layer tree; s2, visual style editing and processing are completed; according to the visual style dynamic management method based on the map layer tree, intelligent processing and efficient rendering of the layer style are achieved through the recursive tree traversal and difference detection algorithm in combination with the incremental style updating and local rendering technology, the style attribute of the complex layer tree does not need to be manually adjusted layer by layer, and the method has the advantages of being high in practicability and easy to popularize. The map editing efficiency is greatly improved, and the development and maintenance cost of a large-scale geographic information system is remarkably reduced.

The invention discloses a method and a device for evaluating the influence of a heterogeneous description scale of a reservoir on numerical simulation. The method comprises the following steps: acquiring geological data of a plurality of heterogeneous description scales of a target block; for each scale, acquiring a plurality of geological maps drawn by a user by taking the geological data of the scale as a background, establishing a three-dimensional geological model, and performing attribute assignment; according to a set production well pattern, based on the three-dimensional geologic model after attribute assignment, obtaining a numerical simulation result corresponding to each set grid size; and screening the scale and the grid size meeting the requirements of the numerical simulation result and the numerical simulation time as the heterogeneous description scale and the grid size required by the numerical simulation of the research area where the target block is located. According to the method, geological models of different heterogeneous description scales of a typical target block are established based on man-machine interaction, numerical simulation calculation is performed according to the sizes of a plurality of grids, so that the most appropriate grid size and geological information needing to be reserved are determined, and modeling of a whole research area is effectively guided.

The present application relates to the technical field of cartographic generalization, and particularly relates to a continuous scale merging method and system for areal natural features based on Morphing, which establishes a continuous scale expression concept model, that is, inputting large scale features and small scale features, outputting intermediate scale features according to the change of transformation degree, obtaining the corresponding relationship of large scale and small scale map features according to the area overlay rate, merging a group of large scale features corresponding to the same small scale feature by using the Greiner-Hormann algorithm after obtaining the corresponding relationship of features, classifying and simplifying the boundary lines of the merged features, combining the simplified boundary lines according to the order of the original feature boundary lines, and obtaining the final intermediate scale features. The present application realizes the continuous scale merging and boundary simplification operation of mutually separated areal natural features.

The invention discloses a three-dimensional geologic model subdivision method and device based on grid point attribute assignment and a storage medium, and belongs to the technical field of seismic model forward modeling. The method sequentially comprises the following steps: S1, defining a three-dimensional geologic model area based on a Cartesian coordinate system, defining a ground surface, and setting the number of grids in X, Y and Z directions as required to obtain hexahedral grids; s2, reading three-dimensional geologic model data generated by various modeling software, traversing the hexahedral mesh and the GLL points, and obtaining a mapping relation from the attributes of the three-dimensional geologic model to the GLL points of the hexahedral mesh; s3, according to the mapping relation, geological attribute values are given to the hexahedral mesh GLL points, a gridded three-dimensional geological model is formed, and three-dimensional geological model subdivision can be completed. The method is suitable for gridding subdivision of three-dimensional geologic models generated by various modeling software, is high in adaptability and expansibility, and plays an important role in large-scale application of forward numerical simulation technologies such as a spectral element method.

The invention provides a multi-class and multi-scale modeling method for a fracture-vuggy carbonate reservoir, and relates to the technical field of petroleum geology modeling. The multi-class multi-scale modeling method for the fractured-vuggy carbonate reservoir comprises the steps of S1, unified standardization and space alignment of multi-source multi-scale data: acquiring seismic data, logging data, core digital data and production dynamic data of a target reservoir, and performing abnormal value elimination, missing value compensation and dimension unified processing on the multi-source data, and realizing alignment of different data in a unified space coordinate system through space coordinate conversion and scale mapping. A unified and reliable data basis is provided for subsequent modeling through generation of a standardized multi-source data set, elimination of data dimension differences and elimination of abnormal values, a macroscopic fracture-cavity boundary is extracted by adopting an edge detection operator and an adaptive threshold segmentation method, the recognition precision of geometric contours of fractures and karst caves is remarkably improved, and the recognition efficiency is improved. And identifying a micro pore-crack structure based on an image segmentation model.

This invention discloses a method and apparatus for generating structured corpus for training multimodal large-scale geological map models. The method includes: preprocessing geological vector data to construct a semantically aligned geological dataset; randomly selecting data viewports and setting the geographic spatial extent and size of the map viewports; configuring multiple visualization parameters to controllably and randomly adjust text annotations, feature symbols, and map elements, and customizing geological map samples as needed; extracting multidimensional attribute information from the geological map samples to construct structured metadata annotation data, and constructing geological feature mask annotation files to obtain a structured corpus for training multimodal large-scale geological map models. This invention achieves large-scale production of diverse, high-quality training samples with text-image alignment features. The geological map corpus meets the requirements of multimodal large-scale model training for data scale, diversity, annotation accuracy, and modal alignment, significantly improving the training efficiency and generalization ability of intelligent geological map interpretation models.

The invention belongs to the technical field of information, and particularly discloses a debris flow source multi-scale quantitative identification method, which comprises the following steps: grouping regional spatial feature parameters to obtain a scale division threshold set; carrying out macroscopic grid division and determining a total resource amount estimation value in each unit; for the over-threshold unit, analyzing a channel and slope intersection in combination with a terrain model so as to locate potential key resource coordinates; scanning the slope accumulation bodies by using an image recognition algorithm, recognizing monomers meeting starting conditions, judging that the volume and the position of each accumulation body meet the starting conditions, and obtaining a microscopic resource detail data set; and finally, multi-level data are fused, and a consistency resource total amount evaluation result is obtained through interpolation and cyclic verification. And mapping information at macroscopic, mesoscopic and microscopic levels by using the conversion matrix, and judging that the mapped data meets the supply relationship requirement to obtain a multi-scale resource identification model. The method can effectively improve the precision and integrity of mineral resource identification in complex mountainous areas.

The invention discloses a map boundary coordinate adaptive loading method for scaling based on CSS transformation. The method comprises the following steps: determining coordinates of south and west points and coordinates of north and east points according to original boundary information; acquiring a zoom factor of the map; if the map applies the zooming effect, obtaining a center point coordinate of the map according to the original boundary information; calculating an adjustment factor according to the scaling factor; according to the coordinates of the south and west points, the coordinates of the north and east points, the coordinates of the center point and the adjustment factor, calculating corrected boundary coordinates, and loading a map page according to the corrected boundary coordinates. The reciprocal of the scaling factor is used as an adjustment factor, so that the proportion adjustment of the map boundary is realized, and the influence of CSS scaling on the visual area is accurately simulated. Adaptive adjustment of map boundary coordinates is carried out on the west direction, the east direction, the south direction and the north direction through the adjustment factors, it is ensured that the adjusted boundary coordinates accurately correspond to the visual range actually seen by the user, and the problem that CSS visual scaling is inconsistent with map internal calculation is solved.

The invention relates to the technical field of map making of geospatial data expression, in particular to a map generation method under the support of a customized large model, which comprises the following steps: establishing a map making demand corpus set and a structured map making instruction set according to map making demands, and constructing a map making corpus; performing fine tuning on the customized large model by using a fine tuning mechanism and a cross entropy loss function of the customized large model; collecting basic geographic information data meeting a preset large scale condition, and constructing a vector tile corresponding to the multi-scale map making data; and constructing at least one map making function including a data selection function, a symbol configuration function, an annotation placement function, a legend generation function, a scale placement function and a frame finishing function, and generating a map supported by the customized large model. According to the method, the professional map instruction output of the customized large model for different map requirements can be realized, and the map making engine is scheduled to perform automatic map making, so that the map making time is greatly shortened.

The application provides a 3DGS scene modeling and map management method and equipment for autonomous navigation, a unified voxel corner point space index benchmark is established, discrete perception anchor points are generated based on multi-modal sensor data, the generation and update of three-dimensional Gaussian continuous representation are driven, and the decoupling of rendering attributes and geometric structure is realized; the perception anchor points are mapped to generate corner point navigation units by using the unified index, and through the whole life cycle management and access control mechanism, only mature and stable navigation units are retained to participate in the pose constraint and map output, and dynamic noise is effectively eliminated; when the map is expanded, the continuity of the navigation constraint is maintained through the structure inheritance and gradual switching strategy across the sub-maps. The application converts the unstructured Gaussian radiation field into a structured navigation map which can be directly used for path planning, solves the problems that the existing 3DGS map is difficult to directly navigate and unstable in a dynamic environment, and effectively improves the precision and robustness of the autonomous navigation of mobile robots in a large-scale scene.

The invention relates to a multi-scale high-precision map construction method based on double-space interaction, and belongs to the technical field of high-precision map construction. According to the method, a double-space feature modeling and interaction mechanism is introduced. The method comprises the following steps: firstly, performing feature extraction on multi-view image data, projecting the multi-view image data to a bird's-eye view space, and generating multi-scale BEV feature representation; and then, carrying out scale-by-scale fusion on the multi-scale BEV features of the current frame and the historical prior BEV features in an Euclidean space so as to enhance the continuity and stability of a map structure. On the basis, the fused multi-scale BEV features are mapped to a hyperbolic space, modeling is carried out on the hierarchical relationship among different scale features by using the geometric characteristics of the hyperbolic space, and cross-scale feature interaction is realized. And finally, the advantages of the Euclidean space features and the hyperbolic space features are integrated through a double-space feature fusion mode, BEV feature representation used for high-precision map decoding is generated, and therefore the overall precision of map construction is improved.

The invention discloses a riverway three-dimensional reconstruction method and system for riverbed reconstruction, and relates to the technical field of model construction, and the method comprises the steps: dividing geographic features into slowly-changing geographic features and dramatically-changing geographic features, carrying out the clustering twice through the slowly-changing geographic features and the dramatically-changing geographic features, improving the reliability of the clustering analysis, and improving the reconstruction efficiency of the riverbed. And a reliable basis is provided for subsequent model establishment and reconstruction. A local initial region of a river topographic map is calibrated through river geographical evolution indexes, the local initial region is adjusted by analyzing the boundary effect of the initial region, and respective global and local description scales are determined according to the river geographical evolution indexes and geographical feature information in the global region and the local region. According to the method, multiple types of control points are selected in the global region and the local region, and the global model and the local model of the river channel are superposed by virtue of the multiple types of control points, so that the reasonability and the adaptability of three-dimensional modeling of the river channel are improved, and the plasticity and the description precision of river bed reconstruction are ensured.

The invention discloses a map availability evaluation method and system based on a multi-dimensional quantitative model, and belongs to the technical field of map making and user experience evaluation. The method comprises the following steps: firstly, constructing a VR immersion environment according to the mapping size and purpose of a map, and collecting multi-modal cognitive behavior data and subjective evaluation data of a subject; based on the multi-modal cognitive behavior data, statistical calculation is carried out on quantitative scores of three dimensions of element distinction degree, element readability and retrieval efficiency; and finally, through a hierarchical entropy weight and expert calibration fusion weighting mechanism, performing weighted fusion on the quantitative score of each dimension and the experience scale data to obtain a comprehensive availability evaluation result. According to the method, the natural reading scene of the map can be truly restored, multi-dimensional quantitative evaluation is realized, the evaluation efficiency and accuracy are improved, and a scientific basis is provided for map optimization.

The invention discloses a self-adaptive multi-constraint modeling method for three-dimensional inversion of magnetic measurement data, and belongs to the technical field of mining survey. The method comprises the following steps: acquiring original measurement data of a magnetic measurement area, constructing a multi-dimensional constraint system based on a self-adaptive constraint mechanism, finishing inversion modeling of the measurement data by combining a three-dimensional inversion algorithm, outputting a three-dimensional geologic structure model of a target area, and synchronously acquiring multi-dimensional auxiliary information and carrying out structured mapping to obtain a three-dimensional geologic structure model of the target area. The constraint mechanism constructs a multi-type dynamic constraint system, the weight is adjusted according to the iteration process, the problem of poor adaptability of the traditional constraint is solved, the geologic rationality of the model is improved, the inversion algorithm adopts a non-uniform grid and efficient solution mode, and the method is suitable for large-scale popularization and application. In combination with dual verification of data fitting and geological consistency, the inversion precision and efficiency are ensured, an output model fits an actual geological condition, reliable support is provided for geological exploration and resource evaluation, and the defects in the prior art are effectively overcome.