CN114818065A

CN114818065A - Three-dimensional roadway model building method and device, electronic equipment and storage medium

Info

Publication number: CN114818065A
Application number: CN202210431799.4A
Authority: CN
Inventors: 郭军; 刘义勤; 李首滨; 李治壮; 张衍林; 张佳斌; 杨晓宇; 王荣亮; 陈龙
Original assignee: General Coal Research Institute Co Ltd
Current assignee: General Coal Research Institute Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-07-29

Abstract

The method comprises the steps of obtaining tunnel modeling data, determining a three-dimensional central line of a tunnel according to the tunnel modeling data, wherein the three-dimensional central line of the tunnel is a geometric central line of the tunnel under three-dimensional projection, processing the tunnel modeling data according to the three-dimensional central line of the tunnel, and generating a three-dimensional tunnel model. The automation and the intelligent degree of the three-dimensional roadway model building can be effectively improved through the method, the resource consumption in the model building process is reduced, and the convenience and the effect of the model building are improved.

Description

Three-dimensional roadway model building method and device, electronic equipment and storage medium

Technical Field

The present disclosure relates to the technical field of roadway models, and in particular, to a method and an apparatus for building a three-dimensional roadway model, an electronic device, and a storage medium.

Background

Underground mining can not leave the tunnel engineering. The coal mine has little support of the roadway in all links such as production, transportation, drainage, ventilation and the like. The intelligent and visual construction of the tunnel engineering is designed for the industry trend nowadays. Based on safety risk consideration and in order to realize visual construction, humanized management and digital decision of roadway engineering, a three-dimensional visual solution of a coal mine roadway is particularly important.

In the related technology, industrial technicians are used for splicing and building a three-dimensional roadway model according to two-dimensional drawings of a coal mine roadway.

In this way, the automation degree of building the three-dimensional roadway model is not high, a large amount of human resources and time cost are consumed, the building efficiency of the model is low, and the building effect is poor.

Disclosure of Invention

The present disclosure is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the disclosed method for building the three-dimensional roadway model can effectively improve the automation and intelligence of building the three-dimensional roadway model, reduce resource consumption in the process of building the model, and improve convenience and effect of building the model.

The method for building the three-dimensional roadway model provided by the embodiment of the first aspect of the disclosure comprises the following steps: acquiring tunnel modeling data; determining a three-dimensional center line of the roadway according to the modeling data of the roadway, wherein the three-dimensional center line of the roadway is a geometric center line of the roadway under a three-dimensional projection; and processing the tunnel modeling data according to the three-dimensional center line of the tunnel to generate a three-dimensional tunnel model.

According to the three-dimensional roadway model building method provided by the embodiment of the first aspect of the disclosure, the roadway three-dimensional central line is determined according to the roadway modeling data, wherein the roadway three-dimensional central line is a geometric central line of a roadway under three-dimensional projection, and the roadway modeling data is processed according to the roadway three-dimensional central line to generate the three-dimensional roadway model.

The device is built to three-dimensional tunnel model that this disclosure second aspect embodiment provided, includes: the acquisition module is used for acquiring tunnel modeling data; the determining module is used for determining a three-dimensional center line of the roadway according to the modeling data of the roadway, wherein the three-dimensional center line of the roadway is a geometric center line of the roadway under a three-dimensional projection; and the generation module is used for processing the tunnel modeling data according to the three-dimensional central line of the tunnel to generate a three-dimensional tunnel model.

The device is built to three-dimensional tunnel model that this embodiment of the second aspect of the disclosure provided, through obtaining tunnel modeling data, according to tunnel modeling data, confirm tunnel three-dimensional central line, wherein, tunnel three-dimensional central line is the geometric centre line of tunnel under the three-dimensional projection, and handle tunnel modeling data according to tunnel three-dimensional central line, generate three-dimensional tunnel model, because according to tunnel modeling data, the automatic processing is built three-dimensional tunnel model, can effectively promote the automation, the intelligent degree that three-dimensional tunnel model was built, reduce the resource consumption in the model building process, promote model building convenience and effect.

According to a third aspect of the present disclosure, there is provided an electronic device comprising: at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the three-dimensional roadway model building method of the first aspect of the disclosure.

According to a fourth aspect of the present disclosure, a non-transitory computer-readable storage medium is provided, in which computer instructions are stored, and the computer instructions are configured to cause the computer to execute the three-dimensional roadway model building method according to the first aspect of the present disclosure.

According to a fifth aspect of the present disclosure, there is provided a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the three-dimensional roadway model building method according to the first aspect of the present disclosure.

Additional aspects and advantages of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic flow chart of a three-dimensional roadway model building method according to an embodiment of the disclosure;

fig. 2 is a schematic flow chart of a three-dimensional roadway model building method according to another embodiment of the present disclosure;

fig. 3 is a schematic diagram of extraction of roadway modeling data according to another embodiment of the present disclosure;

fig. 4 is a schematic diagram of lane centerline generation according to another embodiment of the present disclosure;

FIG. 5 is a schematic view of elevation midpoint calculations provided by another embodiment of the present disclosure;

fig. 6 is a schematic diagram of processing data for modeling a roadway according to another embodiment of the present disclosure;

fig. 7 is a schematic diagram of a three-dimensional roadway model building process according to another embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a three-dimensional roadway model building device according to an embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of a three-dimensional roadway model building device according to another embodiment of the present disclosure;

FIG. 10 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present disclosure.

Detailed Description

Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of illustrating the present disclosure and should not be construed as limiting the same. On the contrary, the embodiments of the disclosure include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

Fig. 1 is a schematic flow chart of a three-dimensional roadway model building method provided in an embodiment of the present disclosure.

It should be noted that an execution main body of the three-dimensional roadway model building method of this embodiment is a three-dimensional roadway model building device, the device may be implemented in a software and/or hardware manner, the device may be configured in an electronic device, and the electronic device may include, but is not limited to, a terminal, a server, and the like.

As shown in fig. 1, the method for building a three-dimensional roadway model includes:

s101: and acquiring tunnel modeling data.

The data information for data modeling of the roadway may be referred to as roadway modeling data, and the roadway modeling data may be a Computer-Aided Design (CAD) file obtained through surveying and drawing, or may be a modeling drawing file in any other format, which is not limited herein.

In some embodiments, a tunnel modeling system may be set up, and the acquisition of tunnel modeling data is completed by using the tunnel modeling system, or an application program related to the acquisition of tunnel modeling data may also be used, which is not limited to this.

In the embodiment of the present disclosure, the CAD file uploaded by the user may be received and arranged to obtain the tunnel modeling data, or the tunnel modeling data may also be directly obtained from a storage address where the tunnel modeling data is correspondingly stored, which is not limited herein.

S102: and determining a three-dimensional center line of the tunnel according to the tunnel modeling data, wherein the three-dimensional center line of the tunnel is a geometric center line of the tunnel in a three-dimensional projection.

The geometric center line of the roadway in the three-dimensional space can be called a roadway three-dimensional center line, and the roadway three-dimensional center line can be used for calibrating the advancing direction of the roadway in the three-dimensional space.

In the embodiment of the present disclosure, a three-dimensional center line of a roadway is determined according to the roadway modeling data, which may be by analyzing the roadway modeling data and performing corresponding data processing to determine the three-dimensional center line of the roadway, or a three-dimensional center line data model of the roadway may also be pre-built, the relevant roadway modeling data is input into the model, and the three-dimensional center line of the roadway is determined by model calculation, which is not limited.

S103: and processing tunnel modeling data according to the three-dimensional center line of the tunnel to generate a three-dimensional tunnel model.

The three-dimensional roadway model is a roadway model in a three-dimensional scene, and the roadway structure can be displayed more clearly and intuitively by using the three-dimensional roadway model.

In the embodiment of the present disclosure, data splicing may be performed on the tunnel modeling data according to the three-dimensional center line of the tunnel to obtain a three-dimensional tunnel model, or alternatively, the tunnel modeling data and the determined three-dimensional center line of the tunnel may be input in a model processing manner, and the tunnel modeling data is processed according to the three-dimensional center line of the tunnel to obtain the three-dimensional tunnel model, which is not limited herein.

The steps of determining the central line of the three-dimensional roadway and generating the three-dimensional roadway model can be automatically carried out, so that the three-dimensional roadway model can be automatically generated.

In the embodiment, by acquiring the tunnel modeling data, determining the three-dimensional central line of the tunnel according to the tunnel modeling data, wherein the three-dimensional central line of the tunnel is the geometric central line of the tunnel under the three-dimensional projection, processing the tunnel modeling data according to the three-dimensional central line of the tunnel, and generating the three-dimensional tunnel model.

Fig. 2 is a schematic flow chart of a three-dimensional roadway model building method according to another embodiment of the present disclosure.

As shown in fig. 2, the method for building a three-dimensional roadway model includes:

s201: and building a coal mine tunnel layer name library, wherein the coal mine tunnel layer name library comprises: and names of a plurality of layer files.

The name of the layer of the coal mine roadway is a name corresponding to each layer of the coal mine roadway, such as coal bed, rock stratum, coal rock stratum and the like, and is not limited.

The database is built according to names corresponding to all layers of the coal mine tunnel and can be called a coal mine tunnel layer name database, and the coal mine tunnel layer name database can be used as a database for storing names of layer files.

In the embodiment of the disclosure, the name of the layer file may be predetermined, the name of the layer file is directly used as the name of the coal mine tunnel layer, and a coal mine tunnel layer name library is built, or the names of a plurality of layer files may be imported from a network or a historical engineering file, and the coal mine tunnel layer name library is built according to the imported names, which is not limited.

S202: and extracting a target layer file matched with the name of the layer file, and taking the target layer file as tunnel modeling data.

The target layer file is layer data matched with the name of the layer file contained in the coal mine roadway layer name library, and the target layer file can be a pre-drawn CAD drawing file of a roadway without limitation.

Optionally, in this disclosure, the target layer file is a coal roadway layer file, a rock roadway layer file, a coal rock roadway layer file, a wire point layer file, and a wire point elevation layer file.

It is understood that during coal extraction, a roadway may traverse multiple geological formations, including coal seams, rock formations, coal formations, and the like.

The coal roadway layer file is a layer file used for recording data information of roadways in the coal seam.

The rock roadway layer file is used for recording data information of a roadway in a rock stratum.

The coal rock roadway layer file is used for recording data information of roadways in the coal rock layer.

The wire point diagram layer file is used for recording measurement points of a horizontal plane in a roadway.

The elevation layer file is used for recording the elevation of a vertical surface in a roadway.

In some embodiments, layer data may be named by using a corresponding name in a coal mine tunnel layer name library, for example, a No. 1 tunnel coal roadway layer, a No. 2 tunnel coal rock roadway layer, and the like, and a target layer file corresponding to the names of a plurality of layer files in the layer data is automatically extracted by identifying the corresponding name.

In other embodiments, the data of the layer may be identified by using corresponding identification information (the identification information may be a combination of numbers, symbols, chinese characters, and the like, without limitation thereto), and the identification information may be matched with a name of a layer file in a coal mine roadway layer name library, so that the identification information may be identified, and a target layer file matched with the name of the layer file may be extracted, or different layers may be drawn by using different colors, and the target layer file may be identified by using a color identification technique according to the drawing colors, without limitation thereto.

For example, as shown in fig. 3, fig. 3 is a schematic diagram of extracting tunnel modeling data according to another embodiment of the present disclosure, which is obtained by first reading a target layer file, where the target layer file is an input coal mine excavation engineering plan, the plan is in a CAD file format, traversing names of a plurality of layer files in the input CAD file to obtain layer names such as a coal roadway, a coal roadway measurement point elevation, a wire point elevation, an isoline, and a fault, matching the obtained layer names with a pre-obtained coal mine tunnel layer name library built by a user, and classifying the target layer file into a plurality of coal roadway layer files, rock roadway layer files, coal rock roadway layer files, wire layer files, and wire point elevation layer files according to a matching result.

S203: and reading a roadway sideline, wherein the roadway sideline is a roadway boundary line under the three-dimensional projection.

And the roadway sideline is a boundary line of the roadway under the three-dimensional projection.

In the embodiment of the present disclosure, the lane boundary may be directly identified and read from the target layer file, or the data processing may also be performed on the drawing quality problem corresponding to the target layer file, for example, the lane boundary may be read from the processed layer file by using processing manners such as connecting a macro break line, automatically removing a cross overlap line, encrypting a corner node, and the like.

S204: and generating a roadway center line according to the roadway side line.

The central line of the roadway is a horizontal plane central line used for marking the tunneling direction of the roadway.

In the embodiment of the present disclosure, a lane central line may be determined in a mathematical calculation manner according to a lane boundary, or a lane central line generation system may be set, and a destination layer file is input to automatically read the lane boundary and automatically determine the lane central line according to the lane boundary, which is not limited to this.

For example, a lane central line may be generated by using a perpendicular line intersection method, as shown in fig. 4, fig. 4 is a schematic diagram of generating a lane central line according to another embodiment of the present disclosure, where one of the lane central lines is selected, each node in the lane central line is traversed, a perpendicular line is generated, an intersection point is obtained by intersection with another line in the lane central line, a midpoint of a connecting line between the perpendicular line and the intersection point of two lane central lines is taken as a midpoint of the lane central line, and thereby midpoints of a plurality of lane central lines are obtained and connected to form a lane central line.

S205: and reading conducting wire points and elevation marks in the target layer file.

In the embodiment of the present disclosure, the corresponding wire points may be obtained from the wire point diagram layer file, where the wire points are measured by using a wire measurement method and used for calculating the measurement points of the horizontal position.

In the embodiment of the disclosure, an elevation annotation may be determined from an elevation layer file of a wire point, where the elevation annotation is annotation information for identifying a height of a point in a horizontal roadway map, and the elevation annotation may be obtained by calculation according to the wire point, which is not limited to this.

In the embodiment of the present disclosure, the wire points may be directly read from the wire point diagram layer file, and the elevation annotations may be determined from the wire point elevation layer file, or the wire points and the elevation annotations may also be identified, the wire points may be extracted from the wire point diagram layer file according to the identification, and the elevation annotations may be extracted from the wire point elevation layer file, or any other possible implementation manner may also be used to read the wire points and the elevation annotations in the target layer file, which is not limited thereto.

In the embodiment of the present disclosure, the wire points and the elevation marks may be matched by using a neighborhood search method, or the wire points and the elevation marks corresponding to the wire points may also be matched by using any other possible implementation method, which is not limited herein.

S206: and according to the lead points and the elevation marks, giving an elevation value to the center line of the roadway to obtain an elevation midpoint.

The elevation midpoint is a point on a roadway centerline with an elevation, and corresponding elevations are given to point positions forming the roadway centerline on the two-dimensional plane, so that the elevation midpoint can be obtained without limitation.

In the embodiment of the present disclosure, elevations may be given to a plurality of corresponding point positions in a lane centerline by using a lead point centerline footage method, or a lane centerline elevation calculation model may also be set, and a lane centerline elevation value may be given according to marking of a lead point and an elevation by using the model, or a lane centerline elevation value may also be given by using any other possible method, which is not limited to this.

For example, as shown in fig. 5, fig. 5 is a schematic view illustrating elevation midpoint calculation according to another embodiment of the disclosure, where a roadway boundary line is used as a range, a lead point in the roadway is searched and determined, the lead point is used as a starting point, a perpendicular line is drawn to a roadway centerline, the elevation of a foot point is assigned as a lead point elevation, and then an inverse distance interpolation method is performed on a point location in the roadway centerline to assign an elevation value, where the inverse distance interpolation method is a spatial interpolation method, and an elevation value may be assigned to a corresponding point location in the roadway centerline based on adjacent lead points by using the inverse distance interpolation method to obtain an elevation midpoint.

S207: and determining a three-dimensional center line of the roadway according to the elevation midpoint.

In the embodiment of the disclosure, the three-dimensional center line of the roadway in the three-dimensional model is determined according to the elevation middle points, the adjacent elevation middle points may be directly connected to serve as the three-dimensional center line of the roadway, or a three-dimensional center line generation model of the roadway may be set up, and data processing is performed in the three-dimensional center line generation model of the roadway by inputting a plurality of elevation middle points to obtain the three-dimensional center line of the roadway, or for example, a big data processing model and the like may be used, and the three-dimensional center line of the roadway is determined according to the elevation middle points, which is not limited to this.

S208: and configuring a roadway section parameter according to the target layer file.

The roadway section parameters are parameters related to a pre-configured roadway section, the roadway section parameters can be used as calculation parameters in the generation of a roadway three-dimensional model, and the roadway section parameters can be various, such as anchor-shotcrete support parameters, ballast bed parameters and the like, and are not limited to the above.

In the embodiment of the present disclosure, a roadway section parameter calculation model may be preset, roadway related data may be input, a roadway section parameter may be obtained through calculation, and the roadway section parameter is configured in the three-dimensional model generation system, so as to process data according to the roadway section parameter, or the roadway section parameter may also be obtained from a network or related engineering, and the roadway section parameter may be configured in the three-dimensional model generation system, or the corresponding roadway section parameter may also be configured with reference to the design of the roadway, without limitation.

Optionally, in the embodiment of the present disclosure, corresponding tunnel section parameters are configured for the coal roadway layer file, the rock roadway layer file, and the coal rock roadway layer file, respectively, and since the corresponding tunnel parameters are configured for different layer files, the adaptive tunnel section parameters can be configured according to the characteristics of the tunnel under different stratum, so that the reliability and accuracy of the tunnel section parameters in the three-dimensional tunnel model building process are ensured, and the model building effect is effectively ensured.

In the embodiment of the present disclosure, the different types of image layers may correspond to the same or different roadway section parameters, and therefore, the roadway section parameters may be divided into a plurality of types, such as coal roadway section parameters, rock roadway section parameters, and coal rock roadway section parameters, without limitation.

S209: and processing tunnel modeling data by combining tunnel section parameters with a tunnel three-dimensional central line to obtain an initial three-dimensional model of a plurality of layers.

The processed tunnel modeling data generates a three-dimensional model of a plurality of layers, which may be referred to as an initial three-dimensional model.

In the embodiment of the present disclosure, the tunnel modeling data may be processed according to the tunnel graphic type in a classified manner to obtain the initial three-dimensional model of the corresponding layer, for example, the coal tunnel layer file is processed in advance, and then the rock tunnel layer file is processed, or the initial three-dimensional model of the corresponding layer may be obtained by batch processing according to the input tunnel modeling data, for example, the size of each batch of tunnel modeling data may be preset, and thus, the tunnel modeling data is processed in batches without limitation.

In the embodiment of the disclosure, a roadway stretching modeling method may be used, according to the roadway section parameters, the central point of the bottom of the roadway section is used as the origin of coordinates, the section graphic data is generated, then, according to the roadway section parameters, the section graphic data is further processed (such as processing modes of translation, stretching, selection operation, data copying and the like), and the spatial positions of a plurality of roadway sections are adjusted to the position corresponding to the three-dimensional central line, so as to obtain the initial three-dimensional model.

In other embodiments, a three-dimensional model building system may be further used to pre-configure the tunnel section parameters, and input tunnel modeling data to obtain an initial three-dimensional model of a plurality of layers, which is not limited to this.

For example, as shown in fig. 6, fig. 6 is a schematic diagram of processing tunnel modeling data according to another embodiment of the present disclosure, a tunnel section is generated according to the tunnel modeling data, a bottom central point of the tunnel section is used as a coordinate origin, a spatial position of the tunnel section is aligned with a three-dimensional centerline through coordinate registration, and then nodes on the tunnel section and the three-dimensional centerline are matched node by node to generate an initial three-dimensional model.

S210: and integrating the initial three-dimensional models of the layers into the same three-dimensional space coordinate system to obtain a target three-dimensional model.

In the embodiment of the present disclosure, the generated initial three-dimensional models of the plurality of layers may be integrated into the same three-dimensional space coordinate system according to a certain arrangement order, so as to obtain a target three-dimensional model.

In some embodiments, the initial three-dimensional model may be marked, identification marks corresponding to the initial three-dimensional model may be sequentially assigned according to spatial positions, and then a plurality of initial three-dimensional models may be integrated into the same three-dimensional space coordinate system according to the identification marks, so as to obtain the target model.

In other embodiments, the roadway modeling data may also be processed according to a spatial sequence, a plurality of initial three-dimensional models may be obtained, and the plurality of initial three-dimensional models may be directly arranged in the same three-dimensional coordinate system according to the spatial sequence, so as to obtain the target three-dimensional model, which is not limited in this regard.

Optionally, in the embodiment of the present disclosure, a roadway three-dimensional model coordinate system is established according to roadway section parameters, based on the roadway three-dimensional model coordinate system, the initial three-dimensional models of the multiple layers are processed to obtain multiple three-dimensional models to be spliced, and the multiple three-dimensional models to be spliced are spliced to obtain a target three-dimensional model.

The roadway three-dimensional model coordinate system is a three-dimensional space coordinate system of a pre-built target three-dimensional model, and the initial three-dimensional models of a plurality of layers can be configured according to the coordinate system and processed and spliced to obtain the target three-dimensional model.

The three-dimensional model to be spliced is obtained by processing the initial three-dimensional model, and can be used for carrying out model processing on a plurality of initial three-dimensional models, and the processing method can be, for example, Boolean operation of intersecting roadways, automatic connection processing of microspur roadways, and the like, and is not limited to this.

In the embodiment of the disclosure, after a plurality of models to be spliced are determined, corresponding serial numbers are configured for different models to be spliced, and then the models to be spliced are spliced according to the serial numbers to generate the target model, or the size of the section of the roadway corresponding to the models to be spliced can be identified, and the models to be spliced are spliced according to the size of the section of the roadway without limitation.

In some embodiments, a pre-trained big data splicing model can be set for splicing the models to be spliced, so that the splicing process of the models to be spliced is more accurate and more intelligent, and meanwhile, the automation degree of generation of the target three-dimensional model is effectively improved without limitation.

In other embodiments, the models to be spliced may also be identified by image identification or data identification, and the models to be spliced may be spliced in sequence according to the identification result, which is not limited herein.

S211: and taking the target three-dimensional model as a three-dimensional roadway model.

In the embodiment of the disclosure, the target three-dimensional model can be directly used as the three-dimensional roadway model.

In the embodiment, the three-dimensional roadway model is automatically built according to the roadway modeling data, so that the automation and intelligence degree of building the three-dimensional roadway model can be effectively improved, the resource consumption in the model building process is reduced, and the convenience and the effect of building the model are improved. Because the coal mine tunnel layer name library is built, the processing speed and the effect of tunnel modeling data can be effectively improved, because a target layer file matched with the name of the layer file is extracted and used as tunnel modeling data, the tunnel modeling data can be effectively obtained, and simultaneously the tunnel modeling data is classified, the convenience of subsequent data processing and three-dimensional tunnel model building is improved, because the elevation value of the center line of the tunnel is given according to the marking of a lead wire and the elevation value, the three-dimensional center line of the tunnel is determined, the three-dimensional center line of the tunnel can be automatically determined, the accuracy of the determination of the three-dimensional center line of the tunnel is ensured, because the tunnel modeling data is processed by combining the section parameters of the tunnel with the three-dimensional center line of the tunnel, the initial three-dimensional models of a plurality of layers are obtained, and the initial three-dimensional models of the plurality of layers are integrated into the same three-dimensional space coordinate system, the target three-dimensional model is obtained, the initial three-dimensional model can be processed, the consistency of the multiple initial three-dimensional models in the same coordinate system is guaranteed, and the building effect of the target three-dimensional model is effectively improved. The corresponding tunnel parameters are configured according to different layer files, and the adaptive tunnel section parameters can be configured according to the characteristics of the tunnel under different stratum, so that the reliability and the accuracy of the tunnel section parameters in the process of building the three-dimensional tunnel model are ensured, and the effect of building the model is effectively ensured. Because the initial three-dimensional models of the layers are processed, the initial three-dimensional models of the layers can be automatically spliced to the same coordinate system, and the generation effect of the target three-dimensional model is improved.

In summary, as shown in fig. 7, fig. 7 is a schematic diagram of a three-dimensional roadway model building process provided in another embodiment of the present disclosure, and the process may be divided into the steps of roadway modeling data extraction, roadway section parameter preparation, roadway three-dimensional centerline generation, three-dimensional roadway model generation, and the like. In the extraction of the tunnel modeling data, extracting a coal roadway layer, a rock roadway layer, a coal rock roadway layer, a lead point layer and a lead point elevation layer from the input tunnel modeling data; then entering a step of generating a three-dimensional center line of the roadway, reading a side line of the roadway, reading a lead and an elevation mark, matching the lead and the elevation mark by using a neighborhood search method, giving an elevation value to the lead according to the elevation mark to obtain an elevation center point, and simultaneously carrying out optimization processing on a target layer file, wherein the optimization processing comprises automatically connecting a microspur break line, automatically removing a crossed overlapped line, encrypting nodes of a turning section and the like, solving a cross center method according to a perpendicular line of the side line to generate a center line of the roadway, and giving an elevation to the center line of the roadway according to a foot hanging method of the center line of the lead and the elevation center point; the step of pre-configuring the tunnel section parameters can be processed in parallel with the step of generating the three-dimensional center line of the tunnel, and when the side line of the tunnel is read, the pre-configured tunnel section parameters are read at the same time, wherein the tunnel section parameters comprise coal tunnel section parameters, rock tunnel section parameters, coal rock tunnel section parameters and the like, and different layers have the same or different tunnel section parameters; and after the tunnel section parameters and the three-dimensional center line of the tunnel are obtained, entering a three-dimensional tunnel model generation step, processing the target layer files by using a section stretching modeling method according to the tunnel section parameters and the three-dimensional center line of the tunnel to obtain initial tunnel models corresponding to the layer files, and performing corresponding processing on the initial tunnel models, such as intersection tunnel Boolean operation, automatic connection of microspur tunnels and the like, to fuse and splice a plurality of initial tunnel models and retrograde roads to obtain the three-dimensional tunnel model.

In the embodiment, the three-dimensional roadway model is automatically built according to the input roadway modeling data, so that the automation and intelligence degree of building the three-dimensional roadway model can be effectively improved, the resource consumption in the model building process is reduced, and the convenience and the effect of building the model are improved.

Fig. 8 is a schematic structural diagram of a three-dimensional roadway model building device according to an embodiment of the disclosure.

As shown in fig. 8, the three-dimensional roadway model building apparatus 80 includes:

an obtaining module 801, configured to obtain roadway modeling data;

the determining module 802 is configured to determine a three-dimensional centerline of the roadway according to the roadway modeling data, where the three-dimensional centerline of the roadway is a geometric centerline of the roadway in a three-dimensional projection; and

and the generating module 803 is configured to process the tunnel modeling data according to a three-dimensional centerline of the tunnel, and generate a three-dimensional tunnel model.

In some embodiments of the present disclosure, as shown in fig. 9, fig. 9 is a schematic structural diagram of a three-dimensional roadway model building apparatus provided in another embodiment of the present disclosure, and further includes:

the building module 804 is used for building a coal mine tunnel layer name library before acquiring tunnel modeling data, wherein the coal mine tunnel layer name library comprises: names of a plurality of layer files;

the obtaining module 801 is specifically configured to:

and extracting a target layer file matched with the name of the layer file, and taking the target layer file as tunnel modeling data.

In some embodiments of the present disclosure, as shown in fig. 9, the target layer file is a coal roadway layer file, a rock roadway layer file, a coal rock roadway layer file, a wire point map layer file, and a wire point elevation layer file.

In some embodiments of the present disclosure, as shown in fig. 9, the generating module 803 is specifically configured to:

reading a roadway sideline, wherein the roadway sideline is a roadway boundary line under three-dimensional projection;

generating a roadway center line according to the roadway side line;

reading conducting wire points and elevation marks in a target layer file;

according to the lead points and the elevation marks, giving an elevation value to a center line of the roadway to obtain elevation midpoints;

and determining a three-dimensional center line of the roadway according to the elevation midpoint.

In some embodiments of the present disclosure, as shown in fig. 9, the generating module 803 includes:

the configuration submodule 8031 is used for configuring a roadway section parameter according to the target layer file;

the first processing submodule 8032 is configured to process the tunnel modeling data by using the tunnel section parameter in combination with the three-dimensional center line of the tunnel, so as to obtain an initial three-dimensional model of a plurality of layers;

the integrating submodule 8033 is configured to integrate the initial three-dimensional models of the multiple layers into the same three-dimensional space coordinate system to obtain a target three-dimensional model;

and the second processing sub-module 8034 is configured to use the target three-dimensional model as a three-dimensional roadway model.

In some embodiments of the present disclosure, as shown in fig. 9, sub-module 8031 is configured, in particular, to:

and respectively configuring corresponding tunnel section parameters aiming at the coal tunnel layer file, the rock tunnel layer file and the coal rock tunnel layer file.

In some embodiments of the present disclosure, as shown in fig. 9, the integration submodule 8033 is specifically configured to:

building a three-dimensional model coordinate system of the tunnel according to the tunnel section parameters;

processing the initial three-dimensional models of the layers based on a three-dimensional model coordinate system of the roadway to obtain a plurality of three-dimensional models to be spliced;

and splicing the plurality of three-dimensional models to be spliced to obtain the target three-dimensional model.

Corresponding to the three-dimensional roadway model building method provided in the embodiments of fig. 1 to 7, the present disclosure also provides a three-dimensional roadway model building device, and since the three-dimensional roadway model building device provided in the embodiments of the present disclosure corresponds to the three-dimensional roadway model building method provided in the embodiments of fig. 1 to 7, the embodiment of the three-dimensional roadway model building method is also applicable to the three-dimensional roadway model building device provided in the embodiments of the present disclosure, and will not be described in detail in the embodiments of the present disclosure.

In order to implement the foregoing embodiments, the present disclosure also proposes a non-transitory computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the program implements the three-dimensional roadway model building method proposed in the foregoing embodiments of the present disclosure.

In order to implement the above embodiments, the present disclosure also provides an electronic device, including: the three-dimensional roadway model building method comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the three-dimensional roadway model building method provided by the embodiment of the disclosure is realized.

In order to implement the foregoing embodiments, the present disclosure further provides a computer program product, which when executed by an instruction processor in the computer program product, executes the three-dimensional roadway model building method provided in the foregoing embodiments of the present disclosure.

FIG. 10 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present disclosure. The electronic device 12 shown in fig. 10 is only an example and should not bring any limitations to the function and scope of use of the disclosed embodiments.

As shown in FIG. 10, electronic device 12 is embodied in the form of a general purpose computing device. The components of electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.

Bus 18 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. These architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus, to name a few.

Electronic device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by electronic device 12 and includes both volatile and nonvolatile media, removable and non-removable media.

Memory 28 may include computer system readable media in the form of volatile Memory, such as Random Access Memory (RAM) 30 and/or cache Memory 32. Electronic device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 10, and commonly referred to as a "hard drive").

Although not shown in FIG. 10, a magnetic disk drive for reading from and writing to a removable nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable nonvolatile optical disk (e.g., a Compact disk Read Only Memory (CD-ROM), a Digital versatile disk Read Only Memory (DVD-ROM), or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the disclosure.

A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally perform the functions and/or methodologies of the embodiments described in this disclosure.

Electronic device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a person to interact with electronic device 12, and/or with any devices (e.g., network card, modem, etc.) that enable electronic device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, the electronic device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public Network such as the Internet) via the Network adapter 20. As shown, the network adapter 20 communicates with the other modules of the electronic device 12 over the bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with electronic device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.

The processing unit 16 executes various functional applications and data processing by running a program stored in the system memory 28, for example, implementing the three-dimensional roadway model building method mentioned in the foregoing embodiments.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

It should be noted that, in the description of the present disclosure, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present disclosure, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present disclosure includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.

It should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, functional units in the embodiments of the present disclosure may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer-readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present disclosure.

Claims

1. A three-dimensional roadway model building method is characterized by comprising the following steps:

acquiring tunnel modeling data;

determining a three-dimensional center line of the roadway according to the modeling data of the roadway, wherein the three-dimensional center line of the roadway is a geometric center line of the roadway under a three-dimensional projection; and the number of the first and second groups,

and processing the tunnel modeling data according to the three-dimensional center line of the tunnel to generate a three-dimensional tunnel model.

2. The method of claim 1, prior to said obtaining roadway modeling data, further comprising:

building a coal mine tunnel layer name library, wherein the coal mine tunnel layer name library comprises: names of a plurality of layer files;

wherein, the acquiring of the roadway modeling data comprises:

and extracting a target layer file matched with the name of the layer file, and taking the target layer file as the tunnel modeling data.

3. The method of claim 2, wherein the target layer file is a coal roadway layer file, a rock roadway layer file, a coal rock roadway layer file, a wire point map layer file, and a wire point elevation layer file.

4. The method of claim 3, wherein said determining a three-dimensional centerline of a roadway from said roadway modeling data comprises:

generating a roadway center line according to the roadway side line;

reading conducting wire points and elevation marks in the target layer file;

according to the conducting wire point and the elevation mark, an elevation value is given to the center line of the roadway to obtain an elevation midpoint;

and determining the three-dimensional center line of the roadway according to the elevation midpoint.

5. The method of claim 4, wherein said processing said roadway modeling data from said three dimensional centerline of said roadway to generate a three dimensional roadway model comprises:

configuring a roadway section parameter according to the target layer file;

processing tunnel modeling data by combining the tunnel section parameters with the three-dimensional center line of the tunnel to obtain an initial three-dimensional model of a plurality of layers;

integrating the initial three-dimensional models of the layers into the same three-dimensional space coordinate system to obtain a target three-dimensional model;

and taking the target three-dimensional model as the three-dimensional roadway model.

6. The method according to claim 5, wherein the configuring a tunnel section parameter according to the target layer file includes:

7. The method according to claim 6, wherein said integrating the initial three-dimensional models of the layers into the same three-dimensional space coordinate system to obtain the target three-dimensional model comprises:

building a three-dimensional tunnel model coordinate system according to the tunnel section parameters;

processing the initial three-dimensional models of the layers based on the three-dimensional model coordinate system of the roadway to obtain a plurality of three-dimensional models to be spliced;

8. The utility model provides a device is built to three-dimensional tunnel model which characterized in that includes:

the acquisition module is used for acquiring the tunnel modeling data;

the determining module is used for determining a three-dimensional center line of the roadway according to the roadway modeling data, wherein the three-dimensional center line of the roadway is a geometric center line of the roadway under a three-dimensional projection; and

and the generation module is used for processing the tunnel modeling data according to the three-dimensional center line of the tunnel to generate a three-dimensional tunnel model.

9. An electronic device, comprising:

at least one processor; and

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.

10. A non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of any one of claims 1-7.