CN117093737A - Visual method, device and equipment for underground pipe gallery and storage medium - Google Patents
Visual method, device and equipment for underground pipe gallery and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000000007 visual effect Effects 0.000 title description 4
- 238000012800 visualization Methods 0.000 claims abstract description 31
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 238000007794 visualization technique Methods 0.000 claims abstract description 7
- 238000004590 computer program Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006870 function Effects 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/54—Browsing; Visualisation therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
- G06T17/205—Re-meshing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
Abstract
The invention discloses a visualization method, a device, equipment and a storage medium of an underground pipe gallery, wherein the method comprises the following steps: acquiring pipe gallery data of an underground pipe gallery to be visualized; performing network division on the pipe gallery data, and confirming the normal position and the normal direction of each network grid point; according to the ground point cloud data in each grid point, confirming the height of each grid point; constructing an underground tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height; based on the tunnel model, the AR technology is adopted to display the underground pipe gallery to be visualized. By adopting the embodiment of the invention, the visualization of the underground pipe gallery can be realized, and meanwhile, the virtual-real combination effect of the visualization of the underground pipe gallery is improved.
Description
Technical Field
The invention relates to the technical field of images, in particular to a method, a device, equipment and a storage medium for visualizing an underground pipe gallery.
Background
The urban underground comprehensive pipe gallery system bears a large number of urban equipment facilities such as urban electric power, fuel gas and other power systems, communication network systems, water supply and drainage systems and the like to install, operate, manage and maintain, plays an increasingly important role in current urban construction and planning, and therefore becomes a current research focus for accurately mastering the current situation of the underground pipe gallery.
At present, virtual pipeline data is projected onto mobile equipment through a 3D model mode by adopting an AR technology, so that visualization of an underground pipeline corridor is realized, however, the virtual-real combination effect of the current visualization scheme is poor, and the main problem is that the virtual pipeline is directly overlapped on an actual environment map, and due to the height difference, and lack of a reference object, such as a tunnel which is level with the ground, an unreal effect of 'drifting' of the pipeline is shown in the moving process.
Disclosure of Invention
The invention provides a visualization method, a device, equipment and a storage medium for an underground pipe gallery, which are used for solving the problem of poor virtual-real combination effect in the prior art. The visual virtual-real combination effect of the underground pipe gallery can be achieved, and meanwhile the visual virtual-real combination effect of the underground pipe gallery is improved.
In order to achieve the above object, an embodiment of the present invention provides a method for visualizing an underground pipe gallery, including:
acquiring pipe gallery data of an underground pipe gallery to be visualized;
performing network division on the pipe gallery data, and confirming the normal position and the normal direction of each network grid point;
according to the ground point cloud data in each grid point, confirming the height of each grid point;
constructing an underground tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
based on the tunnel model, the AR technology is adopted to display the underground pipe gallery to be visualized.
As an improvement of the above solution, the network dividing the pipe gallery data, and determining the normal position and the normal direction of each network grid point includes:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
As an improvement of the above-mentioned aspect, said identifying the height of each of said grid points from the ground point cloud data in each of said grid points includes:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
As an improvement of the above-mentioned scheme, said identifying the height of each of said grid points based on said number includes:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
In order to achieve the above object, an embodiment of the present invention further provides a visualization device for an underground pipe gallery, including:
the pipe gallery data acquisition module is used for acquiring pipe gallery data of the underground pipe gallery to be visualized;
the network dividing module is used for carrying out network division on the pipe gallery data and confirming the normal position and the normal direction of each network grid point;
the grid height calculation module is used for confirming the height of each grid point according to the ground point cloud data in each grid point;
the tunnel model construction module is used for constructing a tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
and the underground pipe gallery visualization module is used for displaying the underground pipe gallery to be visualized by adopting an AR technology based on the gallery model.
As an improvement of the above solution, the network dividing the pipe gallery data, and determining the normal position and the normal direction of each network grid point includes:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
As an improvement of the above-mentioned aspect, said identifying the height of each of said grid points from the ground point cloud data in each of said grid points includes:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
As an improvement of the above-mentioned scheme, said identifying the height of each of said grid points based on said number includes:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
To achieve the above object, an embodiment of the present invention further provides a visualization apparatus for an underground pipe gallery, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements the method for visualizing an underground pipe gallery as described above when the computer program is executed.
To achieve the above object, embodiments of the present invention also provide a computer-readable storage medium including a stored computer program; the computer program controls the equipment where the computer readable storage medium is located to execute the visualization method of the underground pipe gallery when running.
Compared with the prior art, the visualization method, the device, the equipment and the storage medium for the underground pipe gallery provided by the embodiment of the invention have the advantages that the normal position and the normal direction of each network grid point are confirmed by carrying out network division on pipe gallery data, the height of each grid point is confirmed according to the ground point cloud data in each grid point, the tunnel model of the underground pipe gallery to be visualized is constructed according to the normal position, the normal direction and the height, the correct illumination result and the correct height information can be calculated, the tunnel model can be accurately simulated, the unreal effect of the pipeline in drift is avoided in the moving process, and the virtual-real combination effect is good.
Drawings
FIG. 1 is a flow chart of a method for visualizing an underground pipe gallery provided by an embodiment of the invention;
FIG. 2 is a block diagram of a visualization device for an underground pipe gallery according to an embodiment of the present invention;
fig. 3 is a block diagram of a visualization device for an underground pipe gallery according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a flowchart of a method for visualizing an underground pipe gallery according to an embodiment of the present invention, where the method for visualizing an underground pipe gallery includes:
s1, acquiring pipe gallery data of an underground pipe gallery to be visualized;
s2, carrying out network division on the pipe gallery data, and confirming the normal position and the normal direction of each network grid point;
s3, confirming the height of each grid point according to the ground point cloud data in each grid point;
s4, constructing an underground tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
and S5, displaying the underground pipe gallery to be visualized by adopting an AR technology based on the gallery model.
In an alternative embodiment, the acquiring pipe lane data of the underground pipe lane to be visualized in step S1 includes:
acquiring pipe gallery data of an underground pipe gallery to be visualized through building drawing data; or alternatively, the first and second heat exchangers may be,
and scanning the underground pipe gallery to be visualized to acquire the pipe gallery data.
In an alternative embodiment, the network partitioning of the pipe gallery data in step S2, determining the normal position and the normal direction of each network grid point includes:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
For example, node position data of all pipe networks are acquired first, then the maximum value and the minimum value xmin, ymin, xmax, ymax of xy coordinates (i.e. projection planes) of all nodes are calculated, then a rectangular range is drawn according to the 4 values, and finally the rectangular is subjected to grid division according to the grid size input by a user;
the grid points are classified, for example, grids with pipeline passing and within a certain extension range are marked as 'gallery grid points', and no pipeline passing is marked as 'common grid points'.
And (3) confirming the boundary type of each grid point by traversing each grid point, for example, dynamically modifying the grid point B on the left side of the grid point A into a RightEdge (right edge) type when one grid point A is identified as an gallery grid point, and dynamically modifying the grid point B into a RightTopCorner (right corner) type when the grid point traversed to the upper side of the grid point B is an gallery grid point until all the grid points are traversed.
And according to the boundary types, confirming the normal position and the normal direction of each tunnel grid point, for example, judging the tunnel grid point as the vertex of the RightTopCorner, wherein the normal direction is 0.577,0.577,0.577, and according to the correct normal direction, the correct illumination result can be calculated so as to accurately simulate the tunnel model. The marked grid type is different from the boundary type concept, the grid type is marked as the grid point of the tunnel, the tunnel is drawn, and the common grid point is not needed.
In an alternative embodiment, the step S3 of determining the height of each grid point according to the ground point cloud data in each grid point includes:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
In an alternative embodiment, said determining the height of each of said grid points based on said number comprises:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
It will be appreciated that the piping lane data is made up of only points and lines, including world coordinates of manhole covers, pipes and their wiring, and that the ground point cloud data is a three-dimensional point cloud of the ground (street) obtained by scanning.
Illustratively, the ground point cloud data is divided into different grid points according to a preset distance threshold, for example, the distance threshold is 1m, all ground point cloud data are traversed, and when the distance between the ground point cloud data and the grid points is smaller than 1m, the point numbers are placed into an array corresponding to the grid point numbers.
And highly layering the ground point cloud data stored in the grid points, counting the quantity of the ground point cloud data of each layer in the grid points, for example, setting the layer height to be 0.1m, and counting the point cloud points in each layer.
And according to the number, determining the height of each grid point, for example, the number threshold is 10, traversing hierarchical data stored in the grid point from low to high, when the number of points is greater than 10, indicating that the height of the grid point is the lowest point altitude of the point cloud plus the layer number of layers, and when the number of points is less than or equal to 10, determining the layer height, wherein the height of the grid point is the preset height.
It can be understood that, according to the normal position, the normal direction and the height obtained by the calculation, and in combination with grid point coordinates (xy coordinates and uv coordinates), a tunnel model can be dynamically constructed and a correct material can be assigned, and specifically, the tunnel model is constructed by adopting a function of tunnel mesh. And after the tunnel data are obtained, displaying the underground pipe gallery to be visualized by adopting an AR technology.
According to the visualization method for the underground pipe gallery, provided by the embodiment of the invention, the normal position and the normal direction of each network grid point are confirmed by carrying out network division on pipe gallery data, the height of each grid point is confirmed according to the ground point cloud data in each grid point, and the tunnel model of the underground pipe gallery to be visualized is constructed according to the normal position, the normal direction and the height, so that the correct illumination result and the correct height information can be calculated, the tunnel model can be accurately simulated, the unreal effect of the pipeline in the drift process is avoided, and the virtual-real combination effect is good.
Referring to fig. 2, fig. 2 is a block diagram of a visualization apparatus 10 for an underground pipe gallery according to an embodiment of the present invention, where the visualization apparatus 10 for an underground pipe gallery includes:
a pipe gallery data acquisition module 11 for acquiring pipe gallery data of an underground pipe gallery to be visualized;
the network dividing module 12 is used for carrying out network division on the pipe gallery data and confirming the normal position and the normal direction of each network grid point;
a grid height calculation module 13, configured to confirm the height of each grid point according to the ground point cloud data in each grid point;
the tunnel model construction module 14 is configured to construct a tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
and the underground pipe gallery visualization module 15 is used for displaying the underground pipe gallery to be visualized by adopting an AR technology based on the gallery model.
Optionally, the network dividing the pipe gallery data, and confirming the normal position and the normal direction of each network grid point includes:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
Optionally, the determining the height of each grid point according to the ground point cloud data in each grid point includes:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
Optionally, said determining the height of each grid point according to the number includes:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
It should be noted that, the working process of each module in the visualization device 10 for an underground pipe gallery according to the embodiment of the present invention may refer to the working process of the visualization method for an underground pipe gallery according to the above embodiment, which is not described herein.
According to the visualization device 10 for the underground pipe gallery, provided by the embodiment of the invention, the normal position and the normal direction of each network grid point are confirmed by carrying out network division on pipe gallery data, the height of each grid point is confirmed according to the ground point cloud data in each grid point, and the tunnel model of the underground pipe gallery to be visualized is constructed according to the normal position, the normal direction and the height, so that the correct illumination result and the correct height information can be calculated, the tunnel model can be accurately simulated, the unreal effect of a pipeline in drift in the moving process is avoided, and the virtual-real combination effect is good.
The embodiment of the invention also provides a computer readable storage medium, which comprises a stored computer program; wherein the computer program, when executed, controls a device in which the computer readable storage medium is located to perform the method for visualizing an underground pipe gallery according to any one of the embodiments described above.
Referring to fig. 3, fig. 3 is a block diagram of a visualization apparatus 20 for an underground pipe gallery according to an embodiment of the present invention, where the visualization apparatus 20 for an underground pipe gallery includes: a processor 21, a memory 22 and a computer program stored in said memory 22 and executable on said processor 21. The processor 21, when executing the computer program, implements the steps of the above-described embodiment of a method for visualizing a utility tunnel. Alternatively, the processor 21 may implement the functions of the modules/units in the above-described device embodiments when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory 22 and executed by the processor 21 to complete the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing a specified function describing the execution of the computer program in the visualization device 20 of the utility tunnel.
The utility tunnel visualization device 20 may be a desktop computer, a notebook computer, a palm computer, a cloud server, or the like. The visualization device 20 of the utility tunnel may include, but is not limited to, a processor 21, a memory 22. It will be appreciated by those skilled in the art that the schematic illustration is merely an example of a visualization device 20 of a utility tunnel, and is not intended to be limiting of the visualization device 20 of a utility tunnel, and may include more or fewer components than illustrated, or may combine certain components, or different components, e.g., the visualization device 20 of a utility tunnel may also include input and output devices, network access devices, buses, etc.
The processor 21 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, and the processor 21 is the control center of the visualization device 20 of the utility tunnel, connecting the various portions of the visualization device 20 of the entire utility tunnel using various interfaces and lines.
The memory 22 may be used to store the computer programs and/or modules, and the processor 21 may implement various functions of the utility tunnel visualization device 20 by executing or executing the computer programs and/or modules stored in the memory 22 and invoking data stored in the memory 22. The memory 22 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory 22 may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
Wherein the modules/units integrated with the utility tunnel visualization device 20, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and the computer program may implement the steps of each of the method embodiments described above when executed by the processor 21. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that the above-described apparatus embodiments are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A method of visualizing an underground utility tunnel, comprising:
acquiring pipe gallery data of an underground pipe gallery to be visualized;
performing network division on the pipe gallery data, and confirming the normal position and the normal direction of each network grid point;
according to the ground point cloud data in each grid point, confirming the height of each grid point;
constructing an underground tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
based on the tunnel model, the AR technology is adopted to display the underground pipe gallery to be visualized.
2. The method of visualizing a utility tunnel according to claim 1, wherein said network partitioning of said pipe tunnel data to determine a normal position and a normal direction for each network grid point comprises:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
3. The method of visualizing a utility tunnel as in claim 1 wherein said validating the elevation of each of said grid points based on ground point cloud data in each of said grid points comprises:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
4. The method of visualizing a utility tunnel as in claim 1 wherein said identifying the height of each of said grid points based on said number comprises:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
5. A visualization device for an underground pipe gallery, comprising:
the pipe gallery data acquisition module is used for acquiring pipe gallery data of the underground pipe gallery to be visualized;
the network dividing module is used for carrying out network division on the pipe gallery data and confirming the normal position and the normal direction of each network grid point;
the grid height calculation module is used for confirming the height of each grid point according to the ground point cloud data in each grid point;
the tunnel model construction module is used for constructing a tunnel model of the underground pipe gallery to be visualized according to the normal position, the normal direction and the height;
and the underground pipe gallery visualization module is used for displaying the underground pipe gallery to be visualized by adopting an AR technology based on the gallery model.
6. The apparatus for visualizing a utility tunnel as in claim 5, wherein said network partitioning of said pipe tunnel data to confirm the normal position and normal direction of each network lattice point comprises:
grid division is carried out on the ground projection range of the pipe gallery data, and the grid type of each grid point is determined; wherein the grid type comprises an gallery grid point and a common grid point;
confirming the boundary type of each grid point;
and confirming the normal line position and the normal line direction of each tunnel grid point according to the boundary type.
7. The utility tunnel visualization apparatus of claim 5, wherein said validating the height of each of said grid points based on ground point cloud data in each of said grid points comprises:
acquiring ground point cloud data;
dividing the ground point cloud data into different grid points according to a preset distance threshold;
layering each grid lattice point, and counting the quantity of the ground point cloud data of each layer;
and confirming the height of each grid point according to the number.
8. The utility tunnel visualization apparatus of claim 5, wherein said validating the height of each of said grid points based on said number comprises:
when the number is larger than a preset number threshold, the height of the grid points is the sum of the layer number and the layer height of the grid points and the height of the lowest point cloud data in the grid points;
and when the number is smaller than or equal to the number threshold, the height of the grid points is a preset height.
9. A utility tunnel visualization apparatus comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the utility tunnel visualization method of any one of claims 1-4 when the computer program is executed.
10. A computer readable storage medium, wherein the computer readable storage medium comprises a stored computer program; wherein the computer program, when run, controls a device in which the computer readable storage medium resides to perform the method of visualizing an underground pipe gallery as claimed in any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311161427.5A CN117093737A (en) | 2023-09-07 | 2023-09-07 | Visual method, device and equipment for underground pipe gallery and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311161427.5A CN117093737A (en) | 2023-09-07 | 2023-09-07 | Visual method, device and equipment for underground pipe gallery and storage medium |
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| CN117093737A true CN117093737A (en) | 2023-11-21 |
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| CN202311161427.5A Pending CN117093737A (en) | 2023-09-07 | 2023-09-07 | Visual method, device and equipment for underground pipe gallery and storage medium |
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