CN112287425A - Municipal engineering measurement positioning method and system - Google Patents
Municipal engineering measurement positioning method and system Download PDFInfo
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- CN112287425A CN112287425A CN202010982746.2A CN202010982746A CN112287425A CN 112287425 A CN112287425 A CN 112287425A CN 202010982746 A CN202010982746 A CN 202010982746A CN 112287425 A CN112287425 A CN 112287425A
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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
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
Abstract
The invention discloses a municipal engineering measurement positioning method and a system, comprising the following steps: the method comprises the steps of obtaining urban geographic information data, establishing a GIS electronic map, establishing a BIM model of a building and a structure to be built based on the urban geographic information data, uploading the GIS electronic map and the BIM model to an AR measuring platform for position information marking, carrying out simulation measurement and positioning on the BIM model according to a position marking result, determining position coordinates of the building and the structure, and carrying out field marking based on the position coordinates. The system comprises: the device comprises a data acquisition module, a GIS database, a BIM model generation module and an AR measurement positioning module. According to the municipal engineering measurement positioning method and system, the BIM technology and the AR technology are combined through the AR measurement platform, the level point and the coordinate control point are marked on the electronic map of the AR measurement platform, the building is positioned by combining the BIM information model, and finally the result is implemented to the site, so that the process is more efficient and refined.
Description
Technical Field
The invention belongs to the technical field of engineering measurement, and particularly relates to a municipal engineering measurement positioning method and system.
Background
Along with the development of economy in China, the process of urbanization is accelerated continuously, and municipal infrastructure construction becomes incandescent day by day. We refer to the measurement work performed by the needs of the various phases of the design, construction, completion and operational management of urban utilities as municipal engineering measurements. At present, each single municipal engineering measurement is mostly carried out on the basis of a city measurement control network and a city large-scale topographic map, and the main axis point positions of each municipal engineering are measured by adopting a city unified coordinate and elevation system. The urban road network is a framework of urban plane layout, and the land utilization range of urban projects is often determined based on planning a road center line. In the traditional engineering survey, common instruments such as a total station, a theodolite and a level need to be considered, the common instruments generally need to be in mutual sight between point and point, particularly when a control network is laid, the trouble and difficulty of measurement can be brought by the fact that point-to-point sight cannot be made, particularly in the control network of a large bridge, if point-to-point sight cannot be made, the strength and the precision of the network are influenced, and further the precision of the bridge is influenced.
In addition, the traditional engineering measurement positioning method cannot give consideration to all professional design schemes simultaneously, hidden problems cannot be revealed, and constructors need to find and put forward the hidden problems to the designers in the construction process, so that the designers need to modify and rework once and again, and the working efficiency is extremely low. With the accelerated development of informatization, the building industry will advance with time, and the application of a digital management method to control the building construction process becomes a necessary trend of development towards the gate of the information era.
Disclosure of Invention
In view of this, the embodiments of the present invention are expected to provide a method and a system for municipal engineering measurement positioning, so as to solve the problem that the construction period is affected by multiple reworking due to the hidden problem in the conventional engineering measurement positioning method, which cannot cooperate with each professional design scheme.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a municipal engineering measurement positioning method comprises the following steps:
acquiring urban geographic information data and establishing a GIS electronic map;
building a building to be built and a BIM model of the building based on the urban geographic information data;
uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking;
performing simulation measurement and positioning on the BIM according to the position labeling result, and determining the position coordinates of the building and the structure;
and performing field marking based on the position coordinates.
According to a specific embodiment of the present invention, the city geographic information data includes: position information, geographic information and physical pictures of buildings and structures.
According to an embodiment of the invention, the BIM model of the building and the structure has the same structure and material as the building and the structure entity respectively, so as to carry out construction simulation and collision detection.
According to a specific embodiment of the present invention, before uploading the GIS electronic map and the BIM model to an AR measurement platform for location information labeling, the method further includes: and carrying out lightweight processing on the BIM to obtain a lightweight BIM.
According to an embodiment of the present invention, the performing a lightweight process on the BIM model to obtain a lightweight BIM model includes: and performing data compression processing on the three-dimensional geometric data, the two-dimensional graphic data and the additional information data in the BIM to obtain a lightweight BIM with a data size smaller than that of the BIM.
According to a specific embodiment of the present invention, the uploading the GIS electronic map and the BIM model to an AR measurement platform for location information labeling includes:
marking a plurality of level points and coordinate control points in the GIS electronic map;
and performing multiple times of simulation measurement and positioning on the plurality of level points and the coordinate control points, and calculating to obtain the optimal level points and the coordinate control points.
According to an embodiment of the present invention, the performing simulation measurement and positioning on the BIM model according to the position labeling result to determine the position coordinates of the building and the structure includes:
and placing the BIM model in a target measurement positioning point in the GIS electronic map for collision detection according to the position marking result, and determining the target measurement positioning point as the position coordinates of the building and the structure when the detection result accords with a preset detection threshold value.
According to a specific embodiment of the present invention, the field marking based on the position coordinates includes:
and if the leveling point and the coordinate control point of the AR measuring platform are superposed with the leveling point and the coordinate control point of the site, paint or nails are used for labeling the corresponding positions of the building and the structure.
A municipal engineering survey positioning system comprising:
the data acquisition module is used for acquiring urban geographic information data;
the GIS database is used for establishing a GIS electronic map according to the urban geographic information data;
the BIM model generation module is used for generating a building to be built and a BIM model of the building according to the urban geographic information data;
and the AR measurement positioning module is used for uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking, carrying out simulation measurement and positioning on the BIM model according to a position marking result and determining the position coordinate of the building.
According to a specific embodiment of the present invention, the city geographic information data includes: the position information of the building, the structure, the geographic information and the scene picture.
According to the municipal engineering measurement positioning method and system, the BIM technology and the AR technology are combined through the AR measurement platform, firstly, a standard point and a coordinate control point are marked on an electronic information map in the AR measurement platform, a BIM information model is combined to position a building, and finally, a result is implemented on the site, so that the process is more efficient and fine. The system has the following advantages:
(1) the simulation measurement positioning can be carried out on the AR measurement platform, the correction of the coordinate point is more convenient, and the measurement precision is improved.
(2) The AR measurement platform enables BIM visual management, and BIM data can be clearly displayed by utilizing AR technology and can be used as an ideal visual platform. Thereby greatly improving the convenience when measuring and positioning on site.
(3) And the BIM model is used for replacing a planned building to be placed in a positioning place, so that the conflicts between the terrain and the building can be checked, all the conflicts are exposed, and the design scheme is adjusted in time according to the collision result, so that the accuracy rate is improved, and the problems caused in the subsequent construction process are avoided.
Drawings
FIG. 1 is a flow chart of a municipal engineering measurement positioning method according to an embodiment of the invention.
Fig. 2 is a flowchart of a method for annotating location information according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a municipal engineering survey positioning system according to an embodiment of the invention.
Detailed Description
The present invention is described in detail below with reference to specific embodiments in order to make the concept and idea of the present invention more clearly understood by those skilled in the art. It is to be understood that the embodiments presented herein are only a few of all embodiments that the present invention may have. Those skilled in the art who review this disclosure will readily appreciate that many modifications, variations, or alterations to the described embodiments, either in whole or in part, are possible and within the scope of the invention as claimed.
As used herein, the terms "first," "second," and the like are not intended to imply any order, quantity, or importance, but rather are used to distinguish one element from another. As used herein, the terms "a," "an," and the like are not intended to mean that there is only one of the described items, but rather that the description is directed to only one of the described items, which may have one or more. As used herein, the terms "comprises," "comprising," and other similar words are intended to refer to logical interrelationships, and are not to be construed as referring to spatial structural relationships. For example, "a includes B" is intended to mean that logically B belongs to a, and not that spatially B is located inside a. Furthermore, the terms "comprising," "including," and other similar words are to be construed as open-ended, rather than closed-ended. For example, "a includes B" is intended to mean that B belongs to a, but B does not necessarily constitute all of a, and a may also include C, D, E and other elements.
The terms "embodiment," "present embodiment," "an embodiment," "one embodiment," and "one embodiment" herein do not mean that the pertinent description applies to only one particular embodiment, but rather that the description may apply to yet another embodiment or embodiments. Those of skill in the art will understand that any of the descriptions given herein for one embodiment can be combined with, substituted for, or combined with the descriptions of one or more other embodiments to produce new embodiments, which are readily apparent to those of skill in the art and are intended to be within the scope of the present invention.
Example 1
Additional aspects and advantages of embodiments of the invention 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 embodiments of the invention.
Fig. 1 is a flow chart of a municipal engineering measurement positioning method according to an embodiment of the invention, and as shown in fig. 1, the method includes:
s1: and acquiring urban geographic information data and establishing a GIS electronic map.
S2: building BIM model of the building and the structure to be built is established based on the urban geographic information data.
S3: and uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking.
S4: and performing simulation measurement and positioning on the BIM according to the position labeling result, and determining the position coordinates of the building and the structure.
S5: and performing field marking based on the position coordinates.
Specifically, step S1 obtains building information data, where the urban geographic information data includes, but is not limited to, location information, geographic information, and live-action pictures of the building, and is used to construct a GIS database and establish a BIM model having the same structure as the building and the structure entity, so as to perform subsequent simulation measurement and positioning operations.
Specifically, step S2 is to establish a GIS electronic map and a BIM model based on the building information data, where the GIS electronic map is a visual electronic map obtained by collecting, calculating and analyzing the position information, the geographic information, and the physical picture of the building through a computer on the basis of a GIS database, and the scale of the electronic map may be enlarged, reduced, or rotated without affecting the display effect. The BIM model is a BIM model of civil engineering, structure, electromechanics, water supply, drainage and pipelines constructed by using serial software such as Revit or Bentley and the like, and can dynamically and visually present a design result.
Specifically, before uploading the GIS electronic map and the BIM model to the AR measurement platform in step S3, the light weight processing of the built BIM model is further required, that is, after checking the engineering information such as object name, material, region position, structure, etc. of the three-dimensional BIM model based on the BIM model of the building and structure proposed in step S2, the data compression processing is performed on the three-dimensional geometric data, the two-dimensional graphic data, and the additional information data thereof, such as the additional attribute file, in the BIM model to obtain a light weight BIM model with a smaller data size than the original BIM model, and then the light weight BIM model is fused with the data of the GIS electronic map and uploaded to the AR measurement platform The system comprises a rotating and translating mechanism, an amplifying and shrinking mechanism, a centering mechanism, a distance measuring mechanism and a sectioning mechanism, so that man-machine interaction is realized.
Specifically, fig. 2 is a flowchart of a location information labeling method according to an embodiment of the present invention, and as shown in fig. 2, step S3 uploads a GIS electronic map and a BIM model to an AR measurement platform for location information labeling includes:
s31: marking a plurality of level points and coordinate control points in the GIS electronic map;
s32: and performing multiple times of simulation measurement and positioning on the plurality of level points and the coordinate control points, and calculating to obtain the optimal level points and the coordinate control points.
The leveling points are elevation control points established by a leveling method and used for directly measuring and setting the elevation of the building. The coordinate control point is a point in which a series of points are laid within a region to be measured before performing a measurement operation, and the measurement operation is completed for the entire region. Usually, the level point and the coordinate control point are both provided by the first party, when a construction unit enters a site, the elevation of the building is determined by the level point provided by the first party, and the coordinate control point is used for determining the exact position of the building to be built. The control net design is generally carried out on a topographic map with a medium scale (1: 10000-1: 1000000). According to the available control points established by the existing national control points in the measuring area or other engineering departments near the measuring area, the joint measurement scheme and the position of the control network points are determined. After the net arrangement scheme is preliminarily determined, the precision of the control net can be estimated, and the preliminarily determined control points can be adjusted if necessary. And then going to the field to explore, check, modify and fix the site. In the embodiment of the invention, according to a plurality of level points and coordinate control points provided by Party A, marking in a GIS electronic map of an AR measuring platform, carrying out a plurality of times of visual simulation measurement positioning on the AR testing platform, and screening out an optimal scheme through analysis and comparison to obtain and store the optimal level points and coordinate control points.
Specifically, step S4 is to perform simulation measurement and positioning on the BIM model according to the position labeling result, and determine the position coordinates of the building and the structure, including:
and placing the BIM model in a target measurement positioning point in the GIS electronic map for collision detection according to the position marking result, and determining the target measurement positioning point as the position coordinates of the building and the structure when the detection result accords with a preset detection threshold value. Collision detection is a major task to eliminate alterations and rework by using BIM techniques. In the engineering, the entity intersection is defined as collision, the distance between the entities is smaller than a set tolerance, which influences the construction or can not meet specific requirements, and also defined as collision, for large-scale complex engineering projects, a large number of problems hidden in the design can be found by adopting the BIM technology to carry out collision detection, which are difficult to find in the traditional single-professional checking process, the BIM model puts all the professionals in the same model, the results of professional coordination are comprehensively checked, the collision between the professionals and the collision in the height direction are exposed in the process, and all the collision problems are fed back to each professional designer to be adjusted by the collision detection, so that all the collision problems can be eliminated theoretically, the rework times are greatly reduced, and the construction period is shortened. According to the embodiment of the invention, the BIM model of the proposed building and structure is placed on the measurement positioning point to be detected for collision detection according to the determined level point and the coordinate control point, and is used for checking whether the scheme is feasible or not, and when the detection result accords with the preset detection threshold value, the target measurement positioning point is determined as the position coordinate of the building.
Specifically, the step S5, based on the position coordinates, performs the site marking, including:
and if the leveling point and the coordinate control point of the AR measuring platform are superposed with the leveling point and the coordinate control point of the site, paint or nails are used for labeling the corresponding positions of the building and the structure. In the embodiment of the invention, the mobile phone terminal AR measurement platform is used for going to the site, the comparison is carried out on the mobile phone terminal AR measurement platform and the reference point and the coordinate control point which are determined on the site, the reference point and the coordinate control point in the AR measurement platform are superposed with the site, and the result is obtained. And marking with paint or nails on site according to the measurement result, and finishing the measurement work.
Example 2
Fig. 3 is a schematic structural diagram of a municipal engineering measurement positioning system according to an embodiment of the invention, as shown in fig. 3, including:
the data acquisition module 1 is used for urban geographic information data;
the GIS database 2 is used for establishing a GIS electronic map according to the urban geographic information data;
the BIM model generating module 3 is used for generating a building to be built and a BIM model of the building according to the urban geographic information data;
and the AR measurement positioning module 4 is used for uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking, carrying out simulation measurement and positioning on the BIM model according to a position marking result, and determining the position coordinates of the building and the structure.
Specifically, in the data collection module 1, the collected urban geographic information data includes, but is not limited to, location information of buildings, geographic information, and live-action pictures.
Specifically, the GIS database 2 establishes a GIS electronic map by collecting data such as geographic information of existing buildings in a city, and can perform a series of human-computer interaction operations such as browsing, viewing, rotational translation, zooming in and out, centering, distance measurement, sectioning and the like.
Specifically, the BIM generated by the BIM generation module 3 is used for replacing a to-be-built structure to be placed in a positioning place, so that the conflicts between the terrain and the structure can be checked, all the conflicts are exposed, and the design scheme is adjusted in time according to the collision result, so that the accuracy rate is improved, and the problem caused in the later construction process is avoided.
Specifically, the AR measurement positioning module 4 may simultaneously carry the GIS electronic map established by the GIS database 2 and the BIM model generated by the BIM model generation module 3. The AR measurement positioning module 4 can perform simulation measurement positioning, so that correction of coordinate points is more convenient, and the measurement precision is improved. In addition, AR measures orientation module 4 and makes BIM visual management, utilizes AR technique can let BIM data clear show out, can regard as "ideal visual platform". Thereby greatly improving the convenience when measuring and positioning on site.
In summary, according to the municipal engineering measurement positioning method and system provided by the invention, the AR measurement platform combines the BIM technology and the AR technology, the standard point and the coordinate control point are marked on the electronic information map in the AR measurement platform, the BIM information model is combined to position the building and the structure, and the result is implemented on site, so that the process is more efficient and refined.
The concepts, principles and concepts of the invention have been described above in detail in connection with specific embodiments (including examples and illustrations). It will be appreciated by persons skilled in the art that embodiments of the invention are not limited to the specific forms disclosed above, and that many modifications, alterations and equivalents of the steps, methods, apparatus and components described in the above embodiments may be made by those skilled in the art after reading this specification, and that such modifications, alterations and equivalents are to be considered as falling within the scope of the invention. The scope of the invention is only limited by the claims.
Claims (10)
1. A municipal engineering measurement positioning method is characterized by comprising the following steps:
acquiring urban geographic information data and establishing a GIS electronic map;
building a building to be built and a BIM model of the building based on the urban geographic information data;
uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking;
performing simulation measurement and positioning on the BIM according to the position labeling result, and determining the position coordinates of the building and the structure;
and performing field marking based on the position coordinates.
2. The municipal engineering survey positioning method of claim 1, wherein the city geographic information data comprises: position information of buildings and structures, geographic information and live-action pictures.
3. The municipal engineering measurement and positioning method according to claim 1, wherein the BIM model of the building or structure is the same in structure and material as the building or structure entity for construction simulation and collision detection.
4. The municipal engineering measurement and positioning method according to claim 1, wherein the uploading the GIS electronic map and the BIM model to an AR measurement platform for location information labeling further comprises: and carrying out lightweight processing on the BIM to obtain a lightweight BIM.
5. The municipal engineering measurement and positioning method according to claim 4, wherein the lightening of the BIM model to obtain a lightweight BIM model comprises: and performing data compression processing on the three-dimensional geometric data, the two-dimensional graphic data and the additional information data in the BIM to obtain a lightweight BIM with a data size smaller than that of the BIM.
6. The municipal engineering measurement and positioning method according to claim 1, wherein the uploading of the GIS electronic map and the BIM model to an AR measurement platform for position information labeling comprises:
marking a plurality of level points and coordinate control points in the GIS electronic map;
and performing multiple times of simulation measurement and positioning on the plurality of level points and the coordinate control points, and calculating to obtain the optimal level points and the coordinate control points.
7. The municipal engineering measurement and positioning method according to claim 1, wherein the simulation measurement and positioning of the BIM model according to the position labeling result to determine the position coordinates of the building or structure comprises:
and placing the BIM model in a target measurement positioning point in the GIS electronic map for collision detection according to the position marking result, and determining the target measurement positioning point as the position coordinates of the building and the structure when the detection result accords with a preset detection threshold value.
8. The municipal engineering measurement positioning method of claim 1, wherein said field marking based on said location coordinates comprises:
and if the leveling point and the coordinate control point of the AR measuring platform are superposed with the leveling point and the coordinate control point of the site, paint or nails are used for labeling the corresponding positions of the building and the structure.
9. A municipal engineering survey positioning system, comprising:
the data acquisition module is used for acquiring urban geographic information data;
the GIS database is used for establishing a GIS electronic map according to the urban geographic information data;
the BIM model generation module is used for generating a building to be built and a BIM model of the building according to the urban geographic information data;
and the AR measurement positioning module is used for uploading the GIS electronic map and the BIM model to an AR measurement platform for position information marking, carrying out simulation measurement and positioning on the BIM model according to a position marking result, and determining the position coordinates of the building and the structure.
10. The municipal engineering survey positioning system of claim 9, wherein the city geographic information data comprises: the position information of the building, the structure, the geographic information and the scene picture.
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