CN117522097A - Construction method and system based on three-dimensional GIS and BIM integration - Google Patents
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Abstract
The invention discloses a construction method and a construction system based on three-dimensional GIS and BIM integration, which belong to the technical field of digital construction.
Description
Technical Field
The invention relates to the technical field of digital construction, in particular to a construction method and system based on integration of three-dimensional GIS and BIM.
Background
Along with the continuous progress of science and technology and the acceleration of the urban process, large-scale construction projects are continuously emerging, and the characteristics of large space, complex modeling, large span, complex topography, high construction difficulty and the like are presented. The traditional CAD technology is popularized in drawing application of construction sites and in architects and engineers, but the traditional CAD assembly line has low modeling efficiency, can not intuitively reflect surrounding complex terrains and materials used for construction, can not modify data in construction in real time and formulate a reasonable processing scheme, and is difficult to realize accurate and efficient transmission and integrated management of multidimensional information in a traditional management mode.
Therefore, providing a construction method and system for comprehensive management of time and space multidimensional information is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a construction method and a system based on three-dimensional GIS and BIM integration, and the GIS model and the BIM model are associated, so that the comprehensive management of the spatial position and the time progress in the construction process can be realized.
In order to achieve the above object, the present invention provides the following technical solutions:
in one aspect, the invention provides a construction method based on integration of three-dimensional GIS and BIM, which comprises the following steps:
s1: respectively constructing a GIS model and a BIM model corresponding to the construction project according to the construction project data;
s2: correlating the GIS model with the BIM model to obtain an integrated model of the construction project;
s3: dividing the integrated model according to a construction area to obtain a plurality of integrated sub-models;
s4: respectively carrying out collision detection on each integrated sub-model, and if the integrated sub-model does not meet the requirements, modifying the integrated sub-model and the construction process flow until the integrated sub-model meets the collision detection; if the requirements are met, collision detection is carried out on two adjacent integrated sub-models of the construction area;
s5: judging whether collision detection results of two adjacent integrated sub-models of the construction area meet the requirements, if not, modifying the two adjacent integrated sub-models and the construction procedure flow, and returning to the step S4; if the requirements are met, judging the risk level of each integrated sub-model, generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources, judging whether the construction resource allocation scheme is reasonable, and if not, modifying the associated allocation scheme; if so, sending the construction resource allocation scheme to related responsible persons, and judging the risk level of each integrated sub-model;
s6: and generating a risk management and control grade according to the risk grade, and sending the risk management and control grade to related responsible persons.
In another embodiment, the S2 specifically includes:
converting engineering coordinates of the BIM model into geographic coordinates;
placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model, and finishing the binding of the position of the BIM model and the position of the GIS model;
acquiring actual geographic coordinates of the BIM after binding the position of the BIM and the position of the GIS model, and placing elements of the BIM into the GIS model based on the actual geographic coordinates to complete binding of the elements in the BIM and the element positions of the GIS model, so as to obtain the integrated model.
In another embodiment, the BIM model is placed into the GIS model according to the geographic coordinates, and binding the position of the BIM model and the position of the GIS model is completed, which specifically includes:
based on a preset marking position, respectively acquiring one or more first reference geographic coordinates of the BIM model and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
sequentially determining first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas;
if the relative positions of the first transformation points are the same as the relative positions of the second reference geographic coordinates, determining a coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and based on the target coordinate transformation formula, completing the position binding of the BIM model position and the GIS model.
In another embodiment, collision detection is performed on each integrated submodel separately, specifically including:
obtaining construction parameters in the integrated sub-model;
determining the relative position relationship between the components according to the construction parameters;
judging whether the relative position relation meets a set standard or not, and if the relative position relation meets the set standard, judging that the member at the relative position has no collision state; if the relative position relation does not meet the set standard, judging that the members in the relative positions have collision states, and storing parameters of the members in the current collision states.
In another embodiment, determining the risk level of each integrated sub-model specifically includes:
combining instruments, environment and management, identifying the risk factors, and generating a risk factor list, wherein the risk factor list contains all risk factors obtained by identification;
carrying out key index calculation on the risk factors in the risk factor list by analyzing historical accident data to obtain risk values of the risk factors, wherein the risk values of all the risk factors form a risk value library of the risk factors;
constructing a risk source risk value evaluation model, wherein the risk source risk value evaluation model comprises an instrument, an environment and a management risk source risk value evaluation model, and is used for respectively inputting risk factors of the instrument, the environment and the management as characteristics to obtain risk values of the instrument, the environment and the management risk source;
comprehensively evaluating the risk value of the integrated sub-model according to the obtained risk values of the instrument, the environment and the management risk source;
and determining the risk level of the corresponding integrated sub-model according to the risk value of the integrated sub-model.
In another aspect, the present invention provides a construction system based on three-dimensional GIS and BIM integration, including:
the input module is used for acquiring construction project data;
the GIS model building module is used for building a GIS model according to the construction project data;
the BIM model building module is used for building a BIM model according to the construction project data;
the association module is used for associating the GIS model with the BIM model to generate an integrated model;
the dividing module is used for dividing the integrated model according to the construction area to obtain a plurality of integrated sub-models;
the collision detection module is used for performing collision detection on the integrated submodel;
the risk level module is used for carrying out risk assessment on the integrated sub-model and acquiring the risk level of the integrated sub-model;
the risk management and control grade module is used for generating a risk management and control grade according to the risk grade;
the construction resource allocation module is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
and the display module is used for displaying the integrated model, the integrated sub-model, the risk management and control grade and the construction resource allocation scheme.
In another embodiment, the collision detection module includes:
the first collision detection unit is used for respectively carrying out collision detection on each integrated sub-model and judging whether the integrated sub-model meets the collision requirement or not;
the first correction unit is used for modifying the integrated sub-model and the construction procedure flow which do not meet the collision requirement;
the second collision detection unit is used for performing collision detection on two adjacent integrated sub-models of the construction area and judging whether the integrated sub-models meet the collision requirement or not;
and the second correction unit is used for correcting the integrated sub-model and the construction process flow, wherein the adjacent two integrated sub-models are not in accordance with the requirements.
In another embodiment, the construction resource allocation module includes:
the scheme generating unit is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
the judging unit is used for judging whether the construction resource allocation scheme is reasonable or not;
and the third correction unit is used for modifying the unreasonable construction resource allocation scheme.
In another embodiment, the management module comprises:
the coordinate conversion unit is used for converting engineering coordinates of the BIM model into geographic coordinates;
the model position binding unit is used for placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model;
and the element binding unit is used for acquiring actual geographic coordinates of the BIM after the BIM position and the GIS position are bound, and placing the elements of the BIM into the GIS based on the actual geographic coordinates.
In another embodiment, the model location binding unit includes:
the acquisition subunit is used for respectively acquiring one or more first reference geographic coordinates of the BIM and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
the change formula determining subunit sequentially determines first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas, and if the relative positions of the first transformation points are the same as the relative positions of the second reference geographic coordinates, determines the coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and the coordinate change subunit is used for completing the position binding of the BIM model position and the GIS model based on the target coordinate transformation formula.
Compared with the prior art, the invention discloses a construction method and a construction system based on three-dimensional GIS and BIM integration, which combine a three-dimensional Geographic Information System (GIS) with a Building Information Model (BIM) to realize integration and management of space and time information in the railway construction process. Firstly, the construction area is modeled by utilizing a three-dimensional GIS technology, and a three-dimensional geographic model of the construction area is constructed by collecting and integrating geographic space data including information of topography, landform, underground pipelines and the like, so that the construction area can be comprehensively analyzed and planned before construction, including topography analysis, geological analysis, environmental analysis and the like, and reliable basic data is provided for a construction process. Secondly, the invention uses BIM technology to model and manage construction projects. By collecting and integrating building information, including information of design drawings, construction processes and the like, a three-dimensional building model of a railway construction project is constructed. Therefore, the construction progress, construction quality, construction safety and the like can be comprehensively managed and controlled in the construction process. Finally, the three-dimensional GIS and the BIM are integrated, so that the integration and management of space and time information in the construction process are realized, the three-dimensional geographic model and the three-dimensional building model are associated, the comprehensive management of space position and time progress in the construction process can be realized, the optimization and coordination of aspects such as resource scheduling, construction progress control and construction quality monitoring in the construction process are realized, the construction efficiency and quality are improved, the construction risk is reduced, and the support is provided for the smooth implementation of railway construction projects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of the construction method of the present invention;
FIG. 2 is a schematic diagram of a construction system according to the present invention;
fig. 3 is a schematic structural view of a model position binding unit in the construction system 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.
The embodiment of the invention discloses a construction method based on three-dimensional GIS and BIM integration, which is shown in figure 1 and comprises the following steps:
s1: and respectively constructing a GIS model and a BIM model of the corresponding construction project according to the construction project data.
The construction project data comprises general geospatial data (information such as topography, underground pipelines, soil properties and the like), design drawings, construction processes and the like. Specifically, in the invention, a BIM model of an engineering structure is established according to a construction drawing, a design drawing and a construction process design, and geographic space data establishes a geographic and geophysical GIS model of the earth surface.
S2: correlating the GIS model with the BIM model to obtain an integrated model of the construction project;
s3: dividing the integrated model according to the construction area to obtain a plurality of integrated sub-models;
s4: respectively carrying out collision detection on each integrated sub-model, and if the integrated sub-models do not meet the requirements, modifying the integrated sub-models and the construction process flow until the integrated sub-models meet the collision detection; if the requirements are met, collision detection is carried out on two adjacent integrated sub-models of the construction area;
collision detection is divided into detection of various conditions, including detection of problems of unreasonable layout of building and structural systems inside the model and structural connections between the structural systems; the equipment pipeline collision detection is the detection of construction scheduling in the construction process and the like, and the collision problem is caused by unreasonable overlap joint between pipelines.
S5: judging whether collision detection results of two adjacent integrated sub-models of the construction area meet the requirements, if not, modifying the two adjacent integrated sub-models and the construction procedure flow, and returning to the step S4; if the requirements are met, generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources, judging whether the construction resource allocation scheme is reasonable or not, and if the construction resource allocation scheme is not reasonable, modifying the associated allocation scheme; if so, sending the construction resource allocation scheme to related responsible persons, and judging the risk level of each integrated sub-model;
construction equipment, constructors and other construction resources can be repeatedly allocated, but the construction equipment, constructors and other construction resources are required to be ensured to be not occupied after the last working procedure is completed. If the two processes are performed simultaneously and the same resource is used, a conflict can be formed, the continuous working time of the process should be referred to during the association allocation, the conflict condition is avoided, or the resource is added, so that the process can obtain necessary construction resources. Therefore, reasonable allocation of construction resources can reduce resource waste and improve resource utilization rate.
S6: and generating a risk management and control grade according to the risk grade, and sending the risk management and control grade to related responsible persons.
In another embodiment, S2 specifically includes:
converting engineering coordinates of the BIM model into geographic coordinates;
placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model, and completing the binding of the position of the BIM model and the position of the GIS model;
acquiring actual geographic coordinates of the BIM after binding the position of the BIM and the position of the GIS model, and placing elements of the BIM into the GIS model based on the actual geographic coordinates to complete binding the positions of the elements in the BIM and the GIS model and obtain an integrated model.
In another embodiment, the BIM model is placed into the GIS model according to the geographic coordinates, and the binding of the position of the BIM model and the position of the GIS model is completed, which specifically comprises:
based on a preset marking position, respectively acquiring one or more first reference geographic coordinates of the BIM model and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
sequentially determining first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas;
if the relative positions between the first transformation points are the same as the relative positions between the second reference geographic coordinates, determining a coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and based on the target coordinate transformation formula, the position binding of the BIM model position and the GIS model is completed.
In the embodiment of the invention, the association method of the BIM model and the GIS model is suitable for a far-distance space range, so that a position easy to identify needs to be selected when the datum points are determined, the distance between any two datum points is larger than or equal to a first threshold value, the first threshold value can be dynamically modified or set according to actual application conditions, and the value is usually 100 meters or 80 meters in order to ensure that the association method is suitable for the far-distance space range. The distance between any two datum points is too small, and the conversion error possibly caused is large.
In another embodiment, collision detection is performed on each integrated submodel separately, specifically including:
obtaining construction parameters in the integrated sub-model;
determining the relative position relationship between the components according to the construction parameters;
judging whether the relative position relation meets the set standard or not, and if the relative position relation meets the set standard, judging that the members at the relative positions have no collision state; if the relative position relation does not meet the set standard, judging that the members in the relative positions have collision states, and storing parameters of the members in the current collision states.
In another embodiment, determining the risk level of each integrated sub-model specifically includes:
combining instruments, environment and management, identifying the risk factors, and generating a risk factor list, wherein the risk factor list contains all risk factors obtained by identification;
calculating key indexes of the risk factors in the risk factor list by analyzing historical accident data to obtain risk values of the risk factors, wherein the risk values of all the risk factors form a risk value library of the risk factors;
constructing a risk source risk value evaluation model, wherein the risk source risk value evaluation model comprises an instrument, an environment and a management risk source risk value evaluation model, and is used for respectively inputting risk factors of the instrument, the environment and the management as characteristics to obtain risk values of the instrument, the environment and the management risk source;
comprehensively evaluating the risk value of the integrated sub-model according to the obtained risk values of the instrument, the environment and the management risk source;
and determining the risk level of the corresponding integrated sub-model according to the risk value of the integrated sub-model.
In another aspect, the present invention provides a construction system based on three-dimensional GIS and BIM integration, as shown in fig. 2, including:
the input module is used for acquiring construction project data;
the GIS model construction module is used for constructing a GIS model according to construction project data;
the BIM model building module is used for building a BIM model according to construction project data;
the association module is used for associating the GIS model with the BIM model to generate an integrated model;
the dividing module is used for dividing the integrated model according to the construction area to obtain a plurality of integrated sub-models;
the collision detection module is used for performing collision detection on the integrated sub-model;
the risk level module is used for carrying out risk assessment on the integrated sub-model to obtain the risk level of the integrated sub-model;
the risk management and control grade module is used for generating a risk management and control grade according to the risk grade;
the construction resource allocation module is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
and the display module is used for displaying the integrated model, the integrated sub-model, the risk management and control grade and the construction resource allocation scheme.
In another embodiment, a collision detection module includes:
the first collision detection unit is used for respectively carrying out collision detection on each integrated sub-model and judging whether the integrated sub-model meets the collision requirement or not;
the first correction unit is used for modifying the integrated sub-model and the construction procedure flow which do not meet the collision requirement;
the second collision detection unit is used for performing collision detection on two adjacent integrated sub-models of the construction area and judging whether the integrated sub-models meet the collision requirement or not;
and the second correction unit is used for correcting the integrated sub-model and the construction process flow, wherein the adjacent two integrated sub-models are not in accordance with the requirements.
In another embodiment, a construction resource allocation module includes:
the scheme generating unit is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
the judging unit is used for judging whether the construction resource allocation scheme is reasonable or not;
and the third correction unit is used for modifying the unreasonable construction resource allocation scheme.
In another embodiment, the management module includes:
the coordinate conversion unit is used for converting engineering coordinates of the BIM model into geographic coordinates;
the model position binding unit is used for placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model;
and the element binding unit is used for acquiring actual geographic coordinates of the BIM after binding the position of the BIM and the position of the GIS model, and placing the elements of the BIM into the GIS model based on the actual geographic coordinates.
In another embodiment, as shown in fig. 3, the model position binding unit includes:
the acquisition subunit is used for respectively acquiring one or more first reference geographic coordinates of the BIM and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
the change formula determining subunit sequentially determines first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas, and if the relative positions of the first transformation points are the same as the relative positions of the second reference geographic coordinates, determines the coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and the coordinate change subunit is used for completing the position binding of the BIM model position and the GIS model based on the target coordinate transformation formula.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The construction method based on the integration of the three-dimensional GIS and the BIM is characterized by comprising the following steps of:
s1: respectively constructing a GIS model and a BIM model corresponding to the construction project according to the construction project data;
s2: correlating the GIS model with the BIM model to obtain an integrated model of the construction project;
s3: dividing the integrated model according to a construction area to obtain a plurality of integrated sub-models;
s4: respectively carrying out collision detection on each integrated sub-model, and if the integrated sub-model does not meet the requirements, modifying the integrated sub-model and the construction process flow until the integrated sub-model meets the collision detection; if the requirements are met, collision detection is carried out on two adjacent integrated sub-models of the construction area;
s5: judging whether collision detection results of two adjacent integrated sub-models of the construction area meet the requirements, if not, modifying the two adjacent integrated sub-models and the construction procedure flow, and returning to the step S4; if the requirements are met, generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources, judging whether the construction resource allocation scheme is reasonable or not, and if not, modifying the associated allocation scheme; if so, sending the construction resource allocation scheme to related responsible persons, and judging the risk level of each integrated sub-model;
s6: and generating a risk management and control grade according to the risk grade, and sending the risk management and control grade to related responsible persons.
2. The construction method based on three-dimensional GIS and BIM integration according to claim 1, wherein the S2 specifically comprises:
converting engineering coordinates of the BIM model into geographic coordinates;
placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model, and finishing the binding of the position of the BIM model and the position of the GIS model;
acquiring actual geographic coordinates of the BIM after binding the position of the BIM and the position of the GIS model, and placing elements of the BIM into the GIS model based on the actual geographic coordinates to complete binding of the elements in the BIM and the element positions of the GIS model, so as to obtain the integrated model.
3. The construction method based on three-dimensional GIS and BIM integration according to claim 2, wherein the BIM model is placed into the GIS model according to the geographic coordinates, and binding of the position of the BIM model and the position of the GIS model is completed, specifically comprising:
based on a preset marking position, respectively acquiring one or more first reference geographic coordinates of the BIM model and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
sequentially determining first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas;
if the relative positions of the first transformation points are the same as the relative positions of the second reference geographic coordinates, determining a coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and based on the target coordinate transformation formula, completing the position binding of the BIM model position and the GIS model.
4. The construction method based on three-dimensional GIS and BIM integration according to claim 1, wherein collision detection is performed on each integrated submodel respectively, specifically comprising:
obtaining construction parameters in the integrated sub-model;
determining the relative position relationship between the components according to the construction parameters;
judging whether the relative position relation meets a set standard or not, and if the relative position relation meets the set standard, judging that the member at the relative position has no collision state; if the relative position relation does not meet the set standard, judging that the members in the relative positions have collision states, and storing parameters of the members in the current collision states.
5. The construction method based on three-dimensional GIS and BIM integration according to claim 1, wherein the risk level of each integrated sub-model is judged, and the construction method specifically comprises the following steps:
combining instruments, environment and management, identifying the risk factors, and generating a risk factor list, wherein the risk factor list contains all risk factors obtained by identification;
carrying out key index calculation on the risk factors in the risk factor list by analyzing historical accident data to obtain risk values of the risk factors, wherein the risk values of all the risk factors form a risk value library of the risk factors;
constructing a risk source risk value evaluation model, wherein the risk source risk value evaluation model comprises an instrument, an environment and a management risk source risk value evaluation model, and is used for respectively inputting risk factors of the instrument, the environment and the management as characteristics to obtain risk values of the instrument, the environment and the management risk source;
comprehensively evaluating the risk value of the integrated sub-model according to the obtained risk values of the instrument, the environment and the management risk source;
and determining the risk level of the corresponding integrated sub-model according to the risk value of the integrated sub-model.
6. Construction system based on three-dimensional GIS and BIM integration, characterized by comprising:
the input module is used for acquiring construction project data;
the GIS model building module is used for building a GIS model according to the construction project data;
the BIM model building module is used for building a BIM model according to the construction project data;
the association module is used for associating the GIS model with the BIM model to generate an integrated model;
the division module is used for dividing the integrated model according to the construction area to obtain a plurality of integrated sub-models;
the collision detection module is used for carrying out collision detection on the integrated submodel;
the risk level module is used for carrying out risk assessment on the integrated sub-model and acquiring the risk level of the integrated sub-model;
the risk management and control grade module is used for generating a risk management and control grade according to the risk grade;
the construction resource allocation module is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
and the display module is used for displaying the integrated model, the integrated sub-model, the risk management and control grade and the construction resource allocation scheme.
7. The three-dimensional GIS and BIM integration-based construction system of claim 6, wherein the collision detection module includes:
the first collision detection unit is used for respectively carrying out collision detection on each integrated sub-model and judging whether the integrated sub-model meets the collision requirement or not;
the first correction unit is used for modifying the integrated sub-model and the construction procedure flow which do not meet the collision requirement;
the second collision detection unit is used for performing collision detection on two adjacent integrated sub-models of the construction area and judging whether the integrated sub-models meet the collision requirement or not;
and the second correction unit is used for correcting the integrated sub-model and the construction process flow, wherein the adjacent two integrated sub-models are not in accordance with the requirements.
8. The three-dimensional GIS and BIM integration-based construction system of claim 6, wherein the construction resource allocation module includes:
the scheme generating unit is used for generating a construction resource allocation scheme corresponding to each integrated sub-model according to the construction procedure flow and the construction resources;
the judging unit is used for judging whether the construction resource allocation scheme is reasonable or not;
and the third correction unit is used for modifying the unreasonable construction resource allocation scheme.
9. The three-dimensional GIS and BIM integration-based construction system of claim 6, wherein the association module includes:
the coordinate conversion unit is used for converting engineering coordinates of the BIM model into geographic coordinates;
the model position binding unit is used for placing the BIM model into the GIS model according to the geographic coordinates of the BIM model and the coordinates of the GIS model;
and the element binding unit is used for acquiring actual geographic coordinates of the BIM after the BIM position and the GIS position are bound, and placing the elements of the BIM into the GIS based on the actual geographic coordinates.
10. The three-dimensional GIS and BIM integration-based construction system according to claim 9, wherein the model location binding unit includes:
the acquisition subunit is used for respectively acquiring one or more first reference geographic coordinates of the BIM and one or more second reference geographic coordinates of the GIS model, wherein the first reference geographic coordinates and the second reference geographic coordinates are in one-to-one correspondence;
the change formula determining subunit sequentially determines first transformation points corresponding to the first reference geographic coordinates under different coordinate transformation formulas, and if the relative positions of the first transformation points are the same as the relative positions of the second reference geographic coordinates, determines the coordinate transformation formula corresponding to the first transformation points as a target coordinate transformation formula;
and the coordinate change subunit is used for completing the position binding of the BIM model position and the GIS model based on the target coordinate transformation formula.
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