CN114020941A - BIM model resource management method and system - Google Patents
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Abstract
The invention relates to the technical field of building model management, and particularly discloses a BIM model resource management method and a system, wherein the method comprises the steps of receiving an access request containing user identity information, opening a query port according to the user identity information, and receiving a query instruction containing a feature array based on the query port; traversing the feature table according to the feature arrays in the query instruction in sequence, and positioning a target model; and displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port, and executing corresponding action according to the operation instruction. According to the invention, the characteristic values of the sub-components are established through the mechanical input values, so that a person skilled in the art can perform simple mechanical calculation on the actual object when positioning the sub-components, determine each characteristic value of the sub-components, and then position the sub-components according to the characteristic values, and the positioning efficiency is extremely high.
Description
Technical Field
The invention relates to the technical field of building model management, in particular to a BIM model resource management method and system.
Background
The BIM (Building Information Modeling) is a brand-new Building design, construction and management method, and based on a three-dimensional digital Information technology, data Information of various stages such as planning, design, construction, operation and the like is completely contained in a 3D model, so that workers at any stage in the whole life cycle of a Building can make effective and correct decisions according to accurate and complete data when using the model.
When a plurality of users inquire a certain sub-component, the whole model is often difficult to process by means of hardware equipment, and the display process is very difficult, so that the BIM model needs to be managed, so that the users can quickly locate the certain sub-component and then only display the corresponding sub-component, and the equipment requirement is greatly reduced.
The existing BIM model management mode is a traditional numbering management mode, each subcomponent of the BIM model is numbered based on a model establishing process, and when a user wants to inquire a certain subcomponent, a certain number is input, so that any subcomponent can be obtained; however, there is little relation between the numbers and the actual objects, and the user needs to query the numbers before inputting the numbers, which is very cumbersome, and thus, the query efficiency is low.
Disclosure of Invention
The present invention aims to provide a BIM model resource management method and system to solve the problems set forth in the above background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a BIM model resource management method, the method comprising:
receiving an access request containing user identity information, and determining a user level according to the user identity information;
when the user level is larger than a preset first threshold value, opening a query port, and receiving a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
traversing the feature table according to the feature arrays in the query instruction in sequence, and positioning a target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port, and executing corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
As a further scheme of the invention: the step of receiving an access request containing user identity information and determining a user level according to the user identity information comprises the following steps:
receiving an access request containing user identity information, and inquiring user level according to a preset authority table;
acquiring user position information, and determining a risk level according to the position information;
and correcting the user level according to the risk level.
As a further scheme of the invention: the step of obtaining the user position information and determining the risk level according to the position information comprises the following steps:
acquiring a position name in user position information, and traversing and accessing a report form based on the position name; the access report comprises a position name item and an access frequency item;
when the position name is contained in the access report, reading the access times corresponding to the position name;
when the position name is not contained in the access report, inserting the position name into the access report, and assigning the corresponding access times as one;
and determining the risk level according to the access times corresponding to the position name.
As a further scheme of the invention: the generating step of the feature table comprises the following steps:
reading the sub-components in the BIM model, and determining the connection surfaces of the sub-components;
determining a connecting part according to the connecting surface, acquiring the material and the size of the connecting part, and determining the load according to the material and the size of the connecting part;
calculating the stress of each connecting surface according to the load;
determining a characteristic value according to the connecting surface and the stress thereof, and generating a characteristic table according to the characteristic value and the subcomponent number; wherein each subcomponent determines at least three characteristic values, and the three connection surfaces used to calculate the characteristic values comprise at least two intersecting connection surfaces.
As a further scheme of the invention: the step of determining a characteristic value according to the connecting surface and the stress thereof and generating a characteristic table according to the characteristic value and the subcomponent number comprises the following steps:
acquiring the direction of a connecting surface, and carrying out direction assignment on the connecting surface according to a preset assignment standard to obtain a representative value of the connecting surface;
sequentially obtaining the stress magnitude and the stress direction of each connecting surface, and carrying out direction assignment on the stress direction according to a preset assignment standard to obtain a stress representative value;
and sequentially reading the connecting surface representative value, the stress magnitude and the stress representative value according to a preset combination mode to obtain a characteristic value, and generating a characteristic table according to the characteristic value and the subcomponent number.
As a further scheme of the invention: the method further comprises the following steps:
when the user level is greater than a preset second threshold value, opening a modification port;
receiving a modification instruction of a user, and inputting the modification instruction into a trained influence prediction model to obtain an influence level;
and when the influence level is greater than a preset level threshold value, performing secondary verification.
As a further scheme of the invention: when the influence level is greater than a preset level threshold, the step of performing secondary verification includes:
when the influence level is greater than a preset level threshold value, mapping the influence level into the number of account numbers;
sending a modification instruction and a corresponding influence level to a user with the user level greater than a preset second threshold value, and receiving a feedback signal; the feedback signal includes consent and objection;
and determining whether to execute a modification instruction according to the feedback signal.
The invention also provides a BIM model resource management system, which comprises:
the user level determining module is used for receiving an access request containing user identity information and determining the user level according to the user identity information;
the query module is used for opening a query port when the user level is greater than a preset first threshold value, and receiving a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
the positioning module is used for traversing the feature table according to the feature arrays in the query instruction in sequence and positioning the target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
the display module is used for displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port and executing corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
As a further scheme of the invention: the user level determination module includes:
the authority table query unit is used for receiving an access request containing user identity information and querying the user level according to a preset authority table;
the risk determining unit is used for acquiring user position information and determining a risk level according to the position information;
and the correcting unit is used for correcting the user level according to the risk level.
As a further scheme of the invention: the risk determination unit comprises:
the traversal subunit is used for acquiring a position name in the user position information and traversing the access report based on the position name; the access report comprises a position name item and an access frequency item;
the reading subunit is used for reading the access times corresponding to the position names when the position names are contained in the access report;
the execution subunit is used for inserting the position name into the access report when the access report does not contain the position name, and assigning the corresponding access times as one;
and the determining subunit is used for determining the risk level according to the access times corresponding to the position name.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps of receiving a query instruction containing a feature array through a query port; traversing the feature table according to the feature arrays in the query instruction in sequence, and positioning a target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index entries and characteristic value entries, and all mechanical input values in the characteristic array are the same as the calculation standards of the characteristic value entries.
According to the invention, the characteristic values of the sub-components are established through the mechanical input values, so that a person skilled in the art can perform simple mechanical calculation on the actual object when positioning the sub-components, determine each characteristic value of the sub-components, and then position the sub-components according to the characteristic values, and the positioning efficiency is extremely high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 shows a flow diagram of a BIM model resource management method.
FIG. 2 illustrates a first sub-flow block diagram of a BIM model resource management method.
FIG. 3 illustrates a second sub-flow block diagram of a BIM model resource management method.
FIG. 4 shows a third sub-flow block diagram of a BIM model resource management method.
FIG. 5 illustrates a fourth sub-flow block diagram of a BIM model resource management method.
FIG. 6 shows a fifth sub-flow block diagram of a BIM model resource management method.
FIG. 7 shows a sixth sub-flow block diagram of a BIM model resource management method.
FIG. 8 is a block diagram showing the construction of the BIM resource management system.
FIG. 9 is a block diagram showing the structure of the user level determination module in the BIM model resource management system.
Fig. 10 is a block diagram showing the constitutional structure of the risk determination unit in the user level determination module.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Fig. 1 shows a flow chart of a BIM model resource management method, and in an embodiment of the present invention, a BIM model resource management method includes steps S100 to S400:
step S100: receiving an access request containing user identity information, and determining a user level according to the user identity information;
step S100 is an interaction step, in which the user identity information is acquired while receiving the access request, and a specific implementation process may be to set the account as data having a strong association with the user, such as an identity card number; certainly, in the background of the prior art, a mode of adding real-name verification to the mobile phone number is also a feasible technical scheme, and the convenience is better. The user level is not limited in the present invention, and may be a step-type level, with level 1 being the highest; it may be a score which is more easily understood, 100 being the highest level, the higher the score, the higher the corresponding level.
Step S200: when the user level is larger than a preset first threshold value, opening a query port, and receiving a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
step S200 is an execution step, the query function is a necessary function of a BIM model, the BIM is a brand-new building design, construction and management method, and data information of each stage of planning, design, construction, operation and the like is completely contained in the 3D model on the basis of a three-dimensional digital information technology, so that workers at any stage in the whole life cycle of a building can make effective and correct decisions according to accurate and complete data when using the model; based on the above concept, as long as the person has certain authority, the whole building model can be inquired, and better work is facilitated.
It is worth mentioning that the feature array is an innovation point of the invention, the existing BIM model is generally numbered according to the sequence of the subcomponents, and then positioning query is carried out according to the corresponding numbers during query; it can be thought that the number of subcomponents in a building model is very large, the corresponding numbers are also very complicated, although a computer can automatically generate the numbers, it is still difficult for personnel to inquire the corresponding subcomponents according to the numbers because the numbers are not strongly connected with the actual building, and in the technical scheme of the invention, the subcomponents are positioned according to a feature array, wherein the feature array comprises at least three mechanical input values which are independent of each other; for example, the supports on different floors bear different loads, the external force applied to the support on the top floor is smaller than the external force applied to the support on the bottom floor, which means that the stress conditions of different subcomponents are different, some subcomponents can be positioned according to the approximate stress condition, and the stress condition can be calculated according to a simple physical formula, so that the subcomponents in the BIM model are classified according to the stress conditions of the subcomponents, the connection with the actual building is stronger, and the query by a user is facilitated.
The meaning of the three mutually independent mechanical input values is that the three mechanical input values are valid and independent.
Step S300: traversing the feature table according to the feature arrays in the query instruction in sequence, and positioning a target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
the feature array is a value input by a user and consists of feature values; the feature table contains the feature value of each component, one or some feature-identical sub-components are positioned in the feature table according to the feature value input by a user, and then the sub-components in the model are queried according to index items of the sub-components, wherein the index items can be numbers of the sub-components.
Step S400: displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port, and executing corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
The display process is simple, generally, the display content is folded, and the corresponding content is displayed according to the operation request of the user, so the step S400 is also an interactive process, the operation instruction can be information input or touch screen information, and the touch screen information is mainly used in the background of the technical scheme of the invention.
Fig. 2 shows a first sub-flow block diagram of a BIM model resource management method, where the step of receiving an access request containing user identity information and determining a user level according to the user identity information includes steps S101 to S103:
step S101: receiving an access request containing user identity information, and inquiring user level according to a preset authority table;
step S102: acquiring user position information, and determining a risk level according to the position information;
step S103: and correcting the user level according to the risk level.
The content provides a specific user level determination scheme, the user level can be understood as user authority, one-step correction operation is added on the basis of inquiring the user authority through an authority table, the correction process is based on position information of a user, for example, if a person with authority has abnormal position, the level of the person needs to be adjusted to a certain extent, and the authority of the person is adjusted downwards under general conditions; as regards the amplitude of the down-regulation, no upper limit is set, which means that this situation can occur: the user authority of the abnormal position is the lowest, and the abnormal position does not have any access function.
Fig. 3 shows a second sub-flow diagram of a BIM model resource management method, where the step of obtaining user location information and determining a risk level according to the location information includes:
step S1021: acquiring a position name in user position information, and traversing and accessing a report form based on the position name; the access report comprises a position name item and an access frequency item;
step S1022: when the position name is contained in the access report, reading the access times corresponding to the position name;
step S1023: when the position name is not contained in the access report, inserting the position name into the access report, and assigning the corresponding access times as one;
step S1024: and determining the risk level according to the access times corresponding to the position name.
Steps 1021 to step 1024 provide a specific location information processing method, in each access, the corresponding location is recorded, an access report is generated, whether the user logs in the system at the regular station is determined according to the access times in the access report, and then the risk level is determined.
FIG. 4 shows a third sub-flow diagram of a BIM model resource management method, and the step of generating the feature table includes:
step S301: reading the sub-components in the BIM model, and determining the connection surfaces of the sub-components;
step S302: determining a connecting part according to the connecting surface, acquiring the material and the size of the connecting part, and determining the load according to the material and the size of the connecting part;
step S303: calculating the stress of each connecting surface according to the load;
step S304: determining a characteristic value according to the connecting surface and the stress thereof, and generating a characteristic table according to the characteristic value and the subcomponent number; wherein each subcomponent determines at least three characteristic values, and the three connection surfaces used to calculate the characteristic values comprise at least two intersecting connection surfaces.
The above provides a process for generating a feature table, and the force analysis of the building model is a complicated process, but the force analysis in the invention is only for indexing and is not for mechanical inspection of the model, so that the accuracy is not required and the understanding is convenient. For example, for a building model, the external force is limited to gravity, a sub-component of the building model is a cuboid, the top surface stress and the bottom surface stress of the cuboid can be approximately determined by a section method in material mechanics, the side surface stress of the cuboid can be regarded as a shear stress applied to the side surface connected sub-component, and the magnitude of the force can be assigned by the gravity of the sub-component connected with the side surface connected with the sub-component.
It is worth mentioning that the accuracy of the above determination method is to be examined, even the calculation method of the shear stress is wrong, but because of the uniformity, the method is meaningful in the technical solution of the present invention; for example, under the above settings, a user can determine an approximate eigenvalue of the appearance of a certain sub-component of a building, for example, there are several layers above the sub-component, including several layers in total of the sub-component, and then calculate the stress of the top and bottom surfaces of the sub-component according to a simple calculation formula; if the sub-component is a house, calculating the size of a next house partition wall, determining the gravity of the next house partition wall according to the size of the next house partition wall, determining the shear stress of the side surface of the sub-component, determining a characteristic value according to the three forces, and further extracting the sub-model; it can be seen that this process has no relation with the accuracy of the calculation, and the accuracy of the mechanical feature calculation does not affect the problem that the technical scheme of the present invention intends to solve.
Fig. 5 shows a fourth sub-flow diagram of the BIM model resource management method, where the step of determining a feature value according to a connection surface and stress thereof and generating a feature table according to the feature value and a sub-component number includes steps S3041 to S3043:
step S3041: acquiring the direction of a connecting surface, and carrying out direction assignment on the connecting surface according to a preset assignment standard to obtain a representative value of the connecting surface;
step S3042: sequentially obtaining the stress magnitude and the stress direction of each connecting surface, and carrying out direction assignment on the stress direction according to a preset assignment standard to obtain a stress representative value;
step S3043: and sequentially reading the connecting surface representative value, the stress magnitude and the stress representative value according to a preset combination mode to obtain a characteristic value, and generating a characteristic table according to the characteristic value and the subcomponent number.
Steps S3041 to S3043 are schemes for generating a string of numbers according to each stress, and for distinguishing different planes, direction assignment is performed according to a preset assignment standard, where the assignment standard may be an angle with a horizontal plane.
The angle is used as a prefix and added with the stress magnitude, and then the direction value of the stress is connected at the tail part, so that a string of numbers with practical significance is obtained.
Fig. 6 shows a fifth sub-flow diagram of a BIM model resource management method, which further includes steps S501 to S503:
step S501: when the user level is greater than a preset second threshold value, opening a modification port;
step S502: receiving a modification instruction of a user, and inputting the modification instruction into a trained influence prediction model to obtain an influence level;
step S503: and when the influence level is greater than a preset level threshold value, performing secondary verification.
Steps S501 to S503 provide a correction function so that the engineer can make adjustments to the BIM model, and from the computer perspective, open the correction port when the user' S rights are sufficient.
Fig. 7 shows a sixth sub-flow diagram of the BIM model resource management method, where when the influence level is greater than the preset level threshold, the step of performing secondary verification includes steps S5031 to S5033:
step S5031: when the influence level is greater than a preset level threshold value, mapping the influence level into the number of account numbers;
step S5032: sending a modification instruction and a corresponding influence level to a user with the user level greater than a preset second threshold value, and receiving a feedback signal; the feedback signal includes consent and objection;
step S5033: and determining whether to execute a modification instruction according to the feedback signal.
Each adjustment is also hierarchical, requiring further verification if an adjustment varies significantly; for example, if there is an operation to delete all files, it is a highly variable adjustment operation, which needs to be approved by other engineers with the same level or higher, i.e., step S5032;
it is worth mentioning that the agreement number and the objection number jointly determine whether the adjustment operation is performed, specifically, whether the adjustment operation is determined by a vote rejection or a vote ratio is adopted, and the invention is not limited; the influence level of the deletion operation is the largest, and the number of the mapped accounts is the number of people with the adjustment authority.
Example 2
Fig. 8 is a block diagram illustrating a composition structure of a BIM model resource management system, in an embodiment of the present invention, a BIM model resource management system includes:
a user level determining module 11, configured to receive an access request including user identity information, and determine a user level according to the user identity information;
the query module 12 is configured to open a query port when the user level is greater than a preset first threshold, and receive a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
the positioning module 13 is used for sequentially traversing the feature table according to the feature arrays in the query instruction and positioning the target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
the display module 14 is configured to display the target model, open an operation port, receive an operation instruction sent by a user based on the operation port, and execute a corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
Fig. 9 is a block diagram showing a configuration of a user level determination module in the BIM model resource management system, where the user level determination module 11 includes:
the authority table query unit 111 is used for receiving an access request containing user identity information and querying a user level according to a preset authority table;
a risk determining unit 112, configured to obtain user location information, and determine a risk level according to the location information;
a correcting unit 113, configured to correct the user level according to the risk level.
Fig. 10 is a block diagram showing a structure of a risk determination unit in the user level determination module, wherein the risk determination unit 112 includes:
the traversal sub-unit 1121 is configured to acquire a location name in the user location information, and traverse the access report based on the location name; the access report comprises a position name item and an access frequency item;
a reading subunit 1122, configured to, when the location name is included in the access report, read the number of accesses corresponding to the location name;
an execution subunit 1123, configured to insert the location name into the access report when the access report does not include the location name, and assign a corresponding number of access times to one;
a determining subunit 1124, configured to determine a risk level according to the number of visits to which the location name corresponds.
The functions that can be realized by the BIM model resource management method are all completed by computer equipment, the computer equipment comprises one or more processors and one or more memories, and at least one program code is stored in the one or more memories and is loaded and executed by the one or more processors to realize the functions of the BIM model resource management method.
The processor fetches instructions and analyzes the instructions one by one from the memory, then completes corresponding operations according to the instruction requirements, generates a series of control commands, enables all parts of the computer to automatically, continuously and coordinately act to form an organic whole, realizes the input of programs, the input of data, the operation and the output of results, and the arithmetic operation or the logic operation generated in the process is completed by the arithmetic unit; the Memory comprises a Read-Only Memory (ROM) for storing a computer program, and a protection device is arranged outside the Memory.
Illustratively, a computer program can be partitioned into one or more modules, which are stored in memory and executed by a processor to implement the present invention. One or more of the modules may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the terminal device.
Those skilled in the art will appreciate that the above description of the service device is merely exemplary and not limiting of the terminal device, and may include more or less components than those described, or combine certain components, or different components, such as may include input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the terminal equipment and connects the various parts of the entire user terminal using various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the terminal device by operating or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory mainly comprises a storage program area and a storage data area, wherein the storage program area can store an operating system, application programs (such as an information acquisition template display function, a product information publishing function and the like) required by at least one function and the like; the storage data area may store data created according to the use of the berth-state display system (e.g., product information acquisition templates corresponding to different product types, product information that needs to be issued by different product providers, etc.), and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The terminal device integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the modules/units in the system according to the above embodiment may be implemented by a computer program, which may be stored in a computer-readable storage medium and used by a processor to implement the functions of the embodiments of the system. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A BIM model resource management method is characterized by comprising the following steps:
receiving an access request containing user identity information, and determining a user level according to the user identity information;
when the user level is larger than a preset first threshold value, opening a query port, and receiving a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
traversing the feature table according to the feature arrays in the query instruction in sequence, and positioning a target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port, and executing corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
2. The BIM model resource management method of claim 1, wherein the step of receiving an access request containing user identity information and determining a user level according to the user identity information comprises:
receiving an access request containing user identity information, and inquiring user level according to a preset authority table;
acquiring user position information, and determining a risk level according to the position information;
and correcting the user level according to the risk level.
3. The BIM model resource management method of claim 2, wherein the step of obtaining user location information and determining a risk level according to the location information comprises:
acquiring a position name in user position information, and traversing and accessing a report form based on the position name; the access report comprises a position name item and an access frequency item;
when the position name is contained in the access report, reading the access times corresponding to the position name;
when the position name is not contained in the access report, inserting the position name into the access report, and assigning the corresponding access times as one;
and determining the risk level according to the access times corresponding to the position name.
4. The BIM model resource management method according to claim 1, wherein the generating of the feature table comprises:
reading the sub-components in the BIM model, and determining the connection surfaces of the sub-components;
determining a connecting part according to the connecting surface, acquiring the material and the size of the connecting part, and determining the load according to the material and the size of the connecting part;
calculating the stress of each connecting surface according to the load;
determining a characteristic value according to the connecting surface and the stress thereof, and generating a characteristic table according to the characteristic value and the subcomponent number; wherein each subcomponent determines at least three characteristic values, and the three connection surfaces used to calculate the characteristic values comprise at least two intersecting connection surfaces.
5. The BIM model resource management method of claim 4, wherein the step of determining a characteristic value from the joint plane and its stress, and generating a characteristic table from the characteristic value and the subcomponent number comprises:
acquiring the direction of a connecting surface, and carrying out direction assignment on the connecting surface according to a preset assignment standard to obtain a representative value of the connecting surface;
sequentially obtaining the stress magnitude and the stress direction of each connecting surface, and carrying out direction assignment on the stress direction according to a preset assignment standard to obtain a stress representative value;
and sequentially reading the connecting surface representative value, the stress magnitude and the stress representative value according to a preset combination mode to obtain a characteristic value, and generating a characteristic table according to the characteristic value and the subcomponent number.
6. The BIM model resource management method of claim 1, further comprising:
when the user level is greater than a preset second threshold value, opening a modification port;
receiving a modification instruction of a user, and inputting the modification instruction into a trained influence prediction model to obtain an influence level;
and when the influence level is greater than a preset level threshold value, performing secondary verification.
7. The BIM model resource management method of claim 6, wherein the step of performing a secondary verification when the impact level is greater than a preset level threshold comprises:
when the influence level is greater than a preset level threshold value, mapping the influence level into the number of account numbers;
sending a modification instruction and a corresponding influence level to a user with the user level greater than a preset second threshold value, and receiving a feedback signal; the feedback signal includes consent and objection;
and determining whether to execute a modification instruction according to the feedback signal.
8. A BIM model resource management system, the system comprising:
the user level determining module is used for receiving an access request containing user identity information and determining the user level according to the user identity information;
the query module is used for opening a query port when the user level is greater than a preset first threshold value, and receiving a query instruction containing a feature array based on the query port; wherein the feature array comprises at least three mutually independent mechanical input values;
the positioning module is used for traversing the feature table according to the feature arrays in the query instruction in sequence and positioning the target model; the characteristic table is generated in the BIM model storage process, the characteristic table comprises index items and characteristic value items, and all mechanical input values in the characteristic array are the same as the calculation standard of the characteristic value items;
the display module is used for displaying the target model, opening an operation port, receiving an operation instruction sent by a user based on the operation port and executing corresponding action according to the operation instruction; the operation instruction comprises model parameter query and relevant drawing query.
9. The BIM model resource management system of claim 8, wherein the user level determination module comprises:
the authority table query unit is used for receiving an access request containing user identity information and querying the user level according to a preset authority table;
the risk determining unit is used for acquiring user position information and determining a risk level according to the position information;
and the correcting unit is used for correcting the user level according to the risk level.
10. The BIM model resource management system of claim 9, wherein the risk determination unit comprises:
the traversal subunit is used for acquiring a position name in the user position information and traversing the access report based on the position name; the access report comprises a position name item and an access frequency item;
the reading subunit is used for reading the access times corresponding to the position names when the position names are contained in the access report;
the execution subunit is used for inserting the position name into the access report when the access report does not contain the position name, and assigning the corresponding access times as one;
and the determining subunit is used for determining the risk level according to the access times corresponding to the position name.
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