CN114880901A - Fusion method for three-dimensional geological models of different specialties - Google Patents
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Abstract
A fusion method for different professional three-dimensional geological models comprises the following steps: respectively obtaining three-dimensional geological structure models and drilling hole layering attribute values of different professional three-dimensional geological models; mesh subdivision is carried out on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model; under the constraint of the three-dimensional geological structure model, performing attribute interpolation operation by using the drill hole layered attribute value to obtain a three-dimensional attribute model; assigning values to grids by using the obtained three-dimensional geological structure grid model and the three-dimensional attribute model, and constructing a vector-grid integrated three-dimensional geological attribute model; and fusing different professional three-dimensional geological models through the vector-grid integrated three-dimensional geological attribute model. The invention solves the problem that data of multiple professional models cannot be fused in the prior art.
Description
Technical Field
The invention relates to the field of geological models, in particular to a fusion method for three-dimensional geological models of different specialties.
Background
Three-dimensional geological Modeling (3D geomology Modeling) is a subject of data/information analysis-based synthesis, which integrates geological, well logging, geophysical data and various interpretation results or conceptual models to generate a three-dimensional quantitative stochastic model, and is a technology for combining spatial information management, geological interpretation, spatial analysis and prediction, geostatistical, entity content analysis, visualization and other tools in a virtual three-dimensional environment by using computer technology and using the combined tools for geological analysis.
The three-dimensional urban geological modeling is a modeling method for clearly displaying the spatial structures of the ground surface and the underground of an urban by using a three-dimensional technology, and the characteristics of different structures on the ground, the ground surface and the underground of the urban can be reflected more intuitively through the modeling. The urban geological modeling generally comprises modeling source data, three-dimensional urban geological structure model data, a three-dimensional urban geological attribute model, a digital ground model and a three-dimensional urban landscape model. Compared with a two-dimensional plane model, the three-dimensional urban geological model can show the structure of the city more truly. The three-dimensional urban geological modeling provides support for urbanization construction, has the characteristics of diversification, multi-dimensionality, large data volume and the like, is applied to a plurality of fields such as urbanization construction planning and urbanization traffic route planning at present, and generates great social and economic benefits. However, since the urban three-dimensional geological model is widely professional, a plurality of different professional three-dimensional geological models are generated, and the prior art needs to solve the problem of fusion among the different professional three-dimensional geological models.
Disclosure of Invention
In view of the above, the present invention has been developed to provide a fusion method for different specialized three-dimensional geological models that overcomes or at least partially solves the above-mentioned problems.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
the invention discloses a fusion method for different professional three-dimensional geological models, which comprises the following steps:
s100, respectively obtaining three-dimensional geological structure models and drilling layering attribute values of different professional three-dimensional geological models;
s200, performing mesh subdivision on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model;
s300, under the constraint of a three-dimensional geological structure model, performing attribute interpolation operation by using a drill hole layering attribute value to obtain a three-dimensional attribute model;
s400, assigning values to grids by using the obtained three-dimensional geological structure grid model and the obtained three-dimensional attribute model, and constructing a vector grid integrated three-dimensional geological attribute model;
s500, fusing different professional three-dimensional geological models through the vector grid integrated three-dimensional geological attribute model.
Further, in S100, the three-dimensional geological structure models of different professional three-dimensional geological models include a basic geological structure model, a hydrogeological structure model and an engineering geological structure model.
Further, the basic geologic structure model is used as a basic geologic body unit and contains geologic age and lithology information.
Furthermore, the hydrogeology and engineering geology model is derived on the basis of the basic geology model according to the corresponding relation of three special stratums of the foundation-the hydrogeology-the engineering.
Further, the three-dimensional geological attribute model with integrated vector grids is a data structure formed by mutually integrating structures, and the basic idea is to adopt an object-oriented technology to abstract space objects into different object classes to form a mixed model of attribute data, vector data and grid data, and describe the topological relation among the objects by using object identification.
Further, the method for managing the vector data comprises the following steps: the method is characterized in that thematic layering and spatial framing are adopted to organize and manage, various scales are divided into different grades, and the base map building work of the scales is completed in sequence according to the grades.
Further, the method for managing the raster data comprises the following steps: the pyramid structure is adopted to store the grid data of multiple spatial resolutions, the grid data of the same resolution is organized in a layer, and the grid data of different resolutions has vertical organizational relations from top to bottom, which specifically includes: the closer to the top layer, the smaller the resolution of the data and the smaller the data volume, and only the profile of the original data can be reflected; the closer to the bottom layer, the greater the resolution of the data and the greater the amount of data, which more reflects the original details.
Further, the method for managing professional attribute data comprises the following steps: various professional attribute data, including various drilling types, well types, standard group types, leveling points, GPS points, gravity, seismic and aeromagnetic data and the like and various professional attribute data related to the drilling types, the well types, the standard group types, the leveling points, the GPS points, the gravity, the seismic and aeromagnetic data and the like; the point data is stored and managed by adopting point files, the professional attribute data is organized by adopting data tables and is connected with the corresponding point data in a hanging mode, and finally the attribute table number is completed, so that the professional attribute data is managed.
Further, the method for fusing different professional three-dimensional geological models through the vector-grid integrated three-dimensional geological property model comprises the following steps: writing various types of professional data into the three-dimensional geological attribute model integrated with the vector grid, and changing the theme displayed by the model in a mode of switching attributes.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the invention discloses a fusion method for different professional three-dimensional geological models, which comprises the following steps:
respectively obtaining three-dimensional geological structure models and drilling hole layering attribute values of different professional three-dimensional geological models; performing mesh subdivision on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model; under the constraint of the three-dimensional geological structure model, performing attribute interpolation operation by using the drill hole layered attribute value to obtain a three-dimensional attribute model; assigning values to grids by using the obtained three-dimensional geological structure grid model and the three-dimensional attribute model, and constructing a vector-grid integrated three-dimensional geological attribute model; and fusing different professional three-dimensional geological models through the vector-grid integrated three-dimensional geological attribute model. The invention solves the problem that data of multiple professional models cannot be fused in the prior art.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a fusion method for different professional three-dimensional geological models according to embodiment 1 of the present invention;
fig. 2 is a flowchart of modeling a vector-grid integrated high-precision model in embodiment 1 of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In order to solve the problems in the prior art, the embodiment of the invention provides a fusion method for different professional three-dimensional geological models.
Example 1
The implementation discloses a fusion method for different professional three-dimensional geological models, which is characterized by comprising the following steps:
s100, respectively obtaining three-dimensional geological structure models and drilling layering attribute values of different professional three-dimensional geological models; specifically, in this embodiment S100, the three-dimensional geological structure models of different professional three-dimensional geological models include a basic geological structure model, a hydrogeological structure model, and an engineering geological structure model. Specifically, the basic geologic structure model is used as a basic geologic body unit and contains geologic age and lithology information. The hydrogeological and engineering geological model is derived on the basis of the basic geological model according to the corresponding relation of three special stratums of foundation-hydrogeological-engineering.
S200, performing mesh subdivision on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model; the specific method for mesh generation of the three-dimensional geological structure model comprises the following steps: generating an initial boundary triangle containing all sampling points in the gain type sampling point set; selecting each sampling point in the gain type sampling point set one by one, and searching a triangular set of which the circumscribed circle comprises the sampling points; deleting the triangle set, and forming a hole in the initial boundary triangle; connecting the sampling points with each edge of the cavity to form a gridding triangular set; and deleting the gridding triangles in the gridding triangle set which have the same vertex with the initial boundary triangle.
S300, under the constraint of a three-dimensional geological structure model, performing attribute interpolation operation by using a drill hole layering attribute value to obtain a three-dimensional attribute model; specifically, three-dimensional spatial interpolation is an important method and approach for reproducing a geological space through three-dimensional geological modeling, and due to the limitation of conditions such as geological environment, capital cost and the like, only discrete and limited data can be obtained, so that the interpolation method has important significance for accurately reproducing the geological environment. In the embodiment, the kriging interpolation is adopted, and is used as an important research content of geological three-dimensional visualization, and the method is a widely applied geostatistics method for researching randomness and correlation variables in the nature. The geological environment is complex, the geographic phenomenon has the characteristics of randomness and structure, the kriging interpolation not only considers the spatial relationship among variables, but also comprehensively considers the structure and the randomness of the variables by the variation function, and the structure information of the regionalized variables can be fully represented. The three-dimensional spatial interpolation needs to consider the spatial structure characteristic changes in different directions, and the three-dimensional spatial neighborhood search is carried out to obtain a spatial interpolation geological attribute model.
According to the method, geostatistical knowledge is utilized, changes of a space structure, anisotropic characteristics and the like of a geological environment are considered in the interpolation process, three-dimensional space interpolation design and implementation are carried out by utilizing drilling data in a three-dimensional space, and a geological three-dimensional attribute model is established through Kriging interpolation. In the embodiment, a three-dimensional geological model is established for the drilling data of the three-dimensional space, the drilling data is firstly analyzed, the characteristic change direction of the grade attribute of the research area is analyzed, the variation function values of different directions in the three-dimensional space are calculated, and a proper theoretical model is selected to fit the variation function. And aiming at the anisotropic characteristics in the three-dimensional space, constructing a unified registration model of the three-dimensional variation function according to the variation functions in different directions to reflect the characteristic change of the three-dimensional space. In the three-dimensional space, a space data set to be interpolated is created, and the axial direction and the search radius of the three-dimensional space ellipsoid are determined according to the characteristic change direction of the attributes of the drilling data. Three-dimensional spatial interpolation is carried out on the attributes of the drilling data by using common kriging, and the calculation and fitting of a variation function and the realization of an algorithm of the interpolation process of the common kriging in the three-dimensional space are realized by using python.
S400, assigning values to grids by using the obtained three-dimensional geological structure grid model and the obtained three-dimensional attribute model, and constructing a vector grid integrated three-dimensional geological attribute model; specifically, the three-dimensional geological attribute model with integrated vector grids is a data structure formed by mutually integrating structures, and the basic idea is to adopt an object-oriented technology to abstract space objects into different object classes to form a mixed model of attribute data, vector data and grid data, and describe the topological relation among the objects by using object identifiers. The method for managing the vector data comprises the following steps: the method organizes management by adopting a thematic layering and spatial framing mode, divides various scales into different grades, and completes the base map building work of the scales according to the grades in sequence. The method for managing the raster data comprises the following steps: the pyramid structure is adopted to store the grid data of multiple spatial resolutions, the grid data of the same resolution is organized in a layer, and the grid data of different resolutions have vertical organization relations from top to bottom, specifically: the closer to the top layer, the smaller the resolution of the data and the smaller the data volume, and only the profile of the original data can be reflected; the closer to the bottom layer, the greater the resolution of the data and the greater the data size, and the more the original details can be reflected. The method for managing the professional attribute data comprises the following steps: the system relates to various professional data, including various drill holes (bedrock drill holes, quaternary drill holes, hydrogeological drill holes, engineering geological drill holes and the like), wells (water level observation wells, production wells, recharge wells and the like), mark groups (bedrock marks, layered marks, pore water pressure measuring heads and the like), level points, GPS points, gravity, earthquake and aeromagnetic data and the like and various professional attribute data related to the same. The point data is stored and managed by adopting point files, the professional attribute data is organized by adopting data tables and is connected with the corresponding point data in a hanging mode, and finally the attribute table number is completed, so that the professional attribute data is managed.
S500, fusing different professional three-dimensional geological models through the vector grid integrated three-dimensional geological attribute model. Specifically, the method for fusing different professional three-dimensional geological models through the vector-grid integrated three-dimensional geological property model comprises the following steps: writing various types of professional data into the three-dimensional geological attribute model integrated with the vector grid, and changing the theme displayed by the model in a mode of switching attributes.
The embodiment discloses a fusion method for different professional three-dimensional geological models, which comprises the following steps:
respectively obtaining three-dimensional geological structure models and drilling hole layering attribute values of different professional three-dimensional geological models; performing mesh subdivision on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model; under the constraint of the three-dimensional geological structure model, performing attribute interpolation operation by using the drill hole layered attribute value to obtain a three-dimensional attribute model;
assigning values to grids by using the obtained three-dimensional geological structure grid model and the three-dimensional attribute model, and constructing a vector-grid integrated three-dimensional geological attribute model; and fusing different professional three-dimensional geological models through the vector-grid integrated three-dimensional geological attribute model. The invention solves the problem that data of multiple professional models cannot be fused in the prior art.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. Of course, the processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
Claims (9)
1. A fusion method for different professional three-dimensional geological models is characterized by comprising the following steps:
s100, respectively obtaining three-dimensional geological structure models and drilling layering attribute values of different professional three-dimensional geological models;
s200, performing mesh subdivision on the three-dimensional geological structure model to obtain a three-dimensional geological structure grid model;
s300, under the constraint of a three-dimensional geological structure model, performing attribute interpolation operation by using a drill hole layering attribute value to obtain a three-dimensional attribute model;
s400, assigning values to grids by using the obtained three-dimensional geological structure grid model and the obtained three-dimensional attribute model, and constructing a vector grid integrated three-dimensional geological attribute model;
s500, fusing different professional three-dimensional geological models through the vector grid integrated three-dimensional geological attribute model.
2. The fusion method for different professional three-dimensional geological models according to claim 1, wherein in S100, the three-dimensional geological structure models of different professional three-dimensional geological models comprise a basic geological structure model, a hydrogeological structure model and an engineering geological structure model.
3. A fusion method for different professional three-dimensional geological models according to claim 2, characterized in that the basic geological structure model is used as basic geological body unit and contains geological age and lithology information.
4. The fusion method for the different professions of the three-dimensional geological models according to claim 3, wherein the hydrogeological and engineering geological models are derived based on the basic geological model according to the corresponding relationship between the three professions of the basic-hydrogeological-engineering stratum.
5. The fusion method of claim 1, wherein the three-dimensional geological property model integrated with the vector grid is a data structure formed by integrating structures, and the basic idea is to adopt an object-oriented technique to abstract space objects into different object classes to form a mixed model of property data, vector data and grid data, and to describe the topological relationship between the objects by using object identifiers.
6. The fusion method for different professional three-dimensional geological models according to claim 5, wherein the vector data is managed by the following method: the method is characterized in that thematic layering and spatial framing are adopted to organize and manage, various scales are divided into different grades, and the base map building work of the scales is completed in sequence according to the grades.
7. The fusion method for different professional three-dimensional geological models according to claim 5, wherein the grid data is managed by the following method: the pyramid structure is adopted to store the grid data of multiple spatial resolutions, the grid data of the same resolution is organized in a layer, and the grid data of different resolutions have vertical organization relations from top to bottom, specifically: the closer to the top layer, the smaller the resolution of the data and the smaller the data volume, and only the profile of the original data can be reflected; the closer to the bottom layer, the greater the resolution of the data and the greater the amount of data, which more reflects the original details.
8. The fusion method for different professional three-dimensional geological models according to claim 5, wherein the method for managing professional attribute data comprises the following steps: various professional attribute data, including various drilling types, well types, standard group types, leveling points, GPS points, gravity, seismic and aeromagnetic data and the like and various professional attribute data related to the drilling types, the well types, the standard group types, the leveling points, the GPS points, the gravity, the seismic and aeromagnetic data and the like; the point data is stored and managed by adopting point files, the professional attribute data is organized by adopting data tables and is connected with the corresponding point data in a hanging mode, and finally the attribute table number is completed, so that the professional attribute data is managed.
9. The fusion method for different professional three-dimensional geological models according to claim 1, wherein the fusion method for different professional three-dimensional geological models through the vector grid integrated three-dimensional geological property model comprises the following steps: writing various types of professional data into the three-dimensional geological attribute model integrated with the vector grid, and changing the theme displayed by the model in a mode of switching attributes.
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