CN109190209A - A kind of weak rigidity method and system based on BIM model - Google Patents
A kind of weak rigidity method and system based on BIM model Download PDFInfo
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Abstract
The present invention discloses a kind of weak rigidity method and system based on BIM model, this method comprises: according to the BIM model construction and structural computational model that wherein each component corresponds to each other；It is that each component generates calculated description unit in structural computational model according to input information；When instructing the projecting direction construction drawing for generating part BIM model according to input；The matching relationship in calculated description unit and part BIM model between each component is established by weak rigidity algorithm；It is extracted from the calculated description unit and calculates information formation markup information；Component in the markup information and part BIM model is based on input instruction according to drawing norm and forms construction drawing.This programme solves the problems, such as that the construction drawing of strong correlating method generation in the prior art is subsequent and is not easy to modify and adjust, and while realizing that construction drawing markup information is synchronous with BIM model component information, reduces the complexity of strongly connected limitation and secondary software.
Description
Technical field
The invention belongs to computer software application technical fields, and in particular to a kind of weak rigidity method based on BIM model
And system.
Background technique
The software systems compared with conglomerate construction drawing such as building, electromechanics are generated based on BIM model, after construction drawing generation, are applied
The information of work icon note needs to be embodied on BIM model component and the two should be consistent, for construction drawing markup information and BIM
The synchronization of model component information, now there are two types of ways: using strongly connected synchronous method；
Unit is marked for particular category BIM model component customized parameterization, the attribute for marking unit is tied to BIM model
The attribute of component, and mark is tied to specific BIM model component in itself, realize construction drawing markup information and BIM model component
The synchronous vacations of middle information, while reaching modification construction drawing markup information, so that it may update the information in BIM model component, make
The information obtained in construction drawing markup information and BIM model component keeps real-time synchronization；This strongly connected synchronous method is only applicable in
Part-structure component, such as beam, frame column, the arrangement of reinforcement for needing to limit component is just able to achieve synchronization, moreover, strongly connected mark is all
With component binding, when the markup information of user's modification or mobile or duplication or dragging drawing, the markup information be still with
Component originally is bound together, and can not indicate that mobile or drag target position component markup information (i.e. cannot be by just
Prompt operation again binds together markup information and other component), the illusion for causing drawing to modify.
The synchronous method assisted using software；
Software secondary development is carried out by BIM platform, a series of extension function is formulated to modify drawing mark, passes through this
A little functions increase mark, are modified and deleted, alteration of these functions according to mark, while updating drawing and phase
The attribute that should be constructed can also combine basic function, the strong interrelational form of mark of BIM platform usually to realize synchronous purpose；This
Kind mode is disadvantageous in that, needs the modification of all kinds of marks for drawing to formulate corresponding function, these functions itself need
Drawing mark and structure attribute are updated, realizes that difficulty is big, and marking types and modification mode will cause this kind of customization function more
Can be more, user's learning difficulty is larger, and the maintenance cost for the secondary software developed is higher, and dependence is compared in use process to be made
User is to the proficiency for customizing function, further, since limitation of the BIM platform to the interface of secondary development, the customization of secondary development
Function can have certain compatibility issue with the basic function of BIM platform itself, and user had both used the basic of BIM platform itself
Function generates drawing markup information, is updated further through the function of secondary software to drawing mark, most probably causes drawing mark
Note is inconsistent with structural model data, and then causes serious influence to the subsequent applications of BIM model.
Summary of the invention
The present invention proposes a kind of weak rigidity method and system based on BIM model, and construction exists in the prior art to overcome
Figure is not easy to the defect of modification after generating, the drawing markup information and BIM model of construction drawing are able to achieve while being easy to learn and use
The synchronization of information in component while realizing that construction drawing markup information is synchronous with BIM model component information, reduces strongly connected
The complexity of limitation and secondary software.
The present invention is achieved by the following technical solutions:
A kind of weak rigidity method based on BIM model, comprising the following steps:
According to the BIM model construction and structural computational model that wherein each component corresponds to each other；
It is that each component generates calculated description unit in structural computational model according to input information；
When instructing the projecting direction construction drawing for generating part BIM model according to input；
The matching relationship in calculated description unit and part BIM model between each component is established by weak rigidity algorithm；
It is extracted from the calculated description unit and calculates information formation markup information；
Component in the markup information and part BIM model is based on input instruction according to drawing norm and forms construction drawing.
To realize goal of the invention, the present invention also provides a kind of weak rigidity system based on BIM model, including processor, with
And the memory being connected to the processor, the memory is stored with the weak rigidity program based on BIM model, described to be based on
The step of above method is realized when the weak rigidity program of BIM model is executed by the processor.
Compared with prior art, the beneficial effects of the present invention are as follows:
Weak rigidity method and system provided by the invention based on BIM model do not need to establish between component and mark
Strong association, under the premise of standard construction figure drawing mark, by the component information of BIM model and construction drawing drawing information establish with
The weak rigidity of machine, and the matched sum of the distance of each group weak rigidity, selected distance matching are calculated apart from matching algorithm by known
The sum of final matching results of the smallest one group of weak rigidity matching result as component and mark, this system can not only be fine
Realization construction drawing markup information it is synchronous with BIM model component information, and can reasonably avoid strongly connected limitation and two
The complexity of secondary software, it is ensured that the markup information of construction drawing is consistent with the component information of BIM model, will not be because of secondary software
Influence BIM model and out between the functional stabilization and mark and component of figure tool incidence relation accuracy, have it is good
Application space.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the overall effect figure of BIM model in the weak rigidity method provided in an embodiment of the present invention based on BIM model；
Fig. 2 is the effect picture of the first model of a layered structure in Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is that the effect picture after calculated description is embedded in Fig. 3；
Fig. 5 is by the partial enlarged view of the effect picture generated after component and calculated description unit weak rigidity；
Fig. 6 is the position view of single calculated description in Fig. 5；
Fig. 7 is each component and the schematic diagram of computing unit number in Fig. 5；
Fig. 8 is the schematic diagram by arrangement of reinforcement information labeling into Fig. 5.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection can also be physical connection or wireless communication connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The embodiment of the present invention proposes a kind of weak rigidity method and system based on BIM model.
Embodiment 1
As shown in Fig. 1, the embodiment of the present invention provides a kind of weak rigidity method based on BIM model, comprising the following steps:
Step S1, according to the BIM model construction and structural computational model that wherein each component corresponds to each other；
Referring to Fig. 1, the ratio and connection relationship of all components and component in BIM model exist BIM modelling effect figure
It is embodied one by one in structural computational model, the beam in simplification, such as model has been done for the concrete shape of the component in model, has been tied
A line segment can be reduced in structure computation model, length is constant；BIM model can be in BIM platform manual creation, or passes through
The secondary development plug-in unit of BIM platform is automatically imported from other software platform data.Component Category in BIM model include beam,
Column, floor.
Step S2 is that each component generates calculated description unit in structural computational model according to input information；
Calculated description be structure BIM model Structure Calculation software (may be the domestic Structure Calculation software such as PKPM, YJK,
Or the external software for calculation such as SAP2000, Midas) in establish corresponding structural computational model, and input the information such as load and counted
After calculation, the set of the data such as stress, arrangement of reinforcement of structural elements.It establishes the information such as structural computational model and typing load and executes knot
Structure model Calculation and Analysis of Force is the essential process in building trade design cycle.The meter that Liangping method construction drawing needs
It counts according to being that beam arrangement of reinforcement calculates output, beam itself has the information such as sectional dimension, additional reinforcing bars areal calculation output letter
After breath, automatic arrangement of reinforcement can be carried out to beam according to specification for structure.Be embedded to calculated description after effect picture referring to fig. 4.For structural computational model
In each component generate a calculated description unit, there is no incidence relation between calculated description unit and component at this time；
Such as: the configuration reinforcement in concrete is needed for concrete component, configures how many, the reinforcing bar etc. of much diameters
Information is needed by calculating；Steel structure member its sectional dimension, internal force etc. are also required to just can determine that by calculating.It is now logical
Frequently with domestic softwares such as PKPM, YJK, foreign countries' software such as SAP2000, Midas is modeled (i.e. calculating mould to structural model
Type) and calculate, calculated description, that is, structural elements calculated result output information is generated, output information is usually to carry out group by specific component
It knits.In the real case of this patent, need first to complete floor definition (floor number in similar elevator, building before figure out
BIM structural model is divided into floor according to elevation range by layer definition, and for floor number, standard level number, reinforcing bar level number and
Other information relevant to floor are specified to form the message structure of floor) and calculated description importing (calculated description importing i.e. reading structure
Calculated description is stored in BIM structural model, referring to fig. 4 by the corresponding computation model of BIM model according to steel bar layer).
Step S3, when instructing the projecting direction construction drawing for generating part BIM model according to input；
Such as need to generate the top view of one layer of structure in BIM model.Fig. 2 is bottom structure in BIM model, and Fig. 3 is
The top view of structure in Fig. 2 is free of calculated description unit in Fig. 3, and Fig. 4 be the top view after embedment calculated description unit, but not
Have and generates detailed markup information.
Step S4 establishes the matching in calculated description unit and part BIM model between each component by weak rigidity algorithm and closes
System；
When needed (such as output construction drawing when and after generating construction drawing to the markup information on construction drawing into
When row modification, dragging, mobile or duplication are pasted) matching relationship, such as beam calculated description will be established between calculated description unit and component
Unit is not save incidence relation to record to beam, needs to need to know each section for beam arrangement of reinforcement out during figure
What the calculated description unit of beam is, it is therefore desirable to find the association of beam calculated description unit to beam by weak rigidity algorithm
Relationship (weak rigidity does not record incidence relation, but can pass through certain clear incidence relation of processing).
In an embodiment of the present invention, according to drawing norm and mark classification, determine which kind of mark may be with which
First grade member is associated, forms two set of the mark to be associated with component to be associated.Distance is taken to match the two set
Algorithm (can specifically be realized by more than one program) completes association matching, this takes following strategy to protect apart from matching algorithm
Demonstrate,prove matched accuracy and applicability: mark and the one-to-one matching of component, matching result are in all possible matching combination, respectively
This smallest group of the sum of geometric distance of the mark-component between, and be highest one group of matching degree in two set
(it is minimum to be not engaged in the sum of matched number of elements).
Step S5 is extracted from the calculated description unit and is calculated information formation markup information；
Data are extracted from calculated description unit, execute data processing, in conjunction with calculated description and drawing norm requirement, such as: it is right
The components such as beam carry out automatic arrangement of reinforcement merger number and name component.Further analysis processing, obtains being marked the complete of component
Information.If the arrangement of reinforcement information of a bridge includes: gluten, waist muscle, bottom muscle, stirrup, this several information may need more by drawing
Kind mark cooperates and could express.Determine one section of beam have that it is several mark it is associated after, the associated mark of comprehensive analysis
The complete arrangement of reinforcement data of the available Duan Liang.For concrete component, combination member information, calculated description, industry standard requirement
Merger is done (even if merger arrangement of reinforcement is consistent to the automatic arrangement of reinforcement of concrete component, and to the similar component of the identical arrangement of reinforcement of physical size
And meet respective calculating requirement), component is numbered according to merger result.Markup information record mark classification, position, mark
The information such as the content of note.
Component in step S6, the markup information and part BIM model is based on input instruction according to drawing norm and is formed
Construction drawing.Referring to Fig. 8.Mark by cartographic convention puts corresponding position, but in any form record mark and component it
Between incidence relation.Different classes of mark is distinguished using specific, reliable way.Automatically generate the process of construction drawing
I.e. respectively according to construction drawing cartographic convention (such as G101 atlas and each designing institute are based on specification, the result of atlas Deepen Design)
The process of all kinds of marks is added for the component of drawing concern.
Incidence relation between markup information and component is not recorded when scheming out, pass can be associated with do not record mark and component
In the case where system, the incidence relation (see drawing information association to BIM model flow) of the two can be reliably determined when needed, because
This is referred to as weak rigidity.The incidence relation type for not recording mark and component significantly reduces software operator and modifies behaviour to drawing
The limitation of work, provides and operates conveniently, while the architecture of software is simpler.It constructs based on BIM auto-building model
It, often can be by BIM platform itself in the case that figure software is commonly the secondary development or independent functional module of BIM platform
Basic operation is such as replicated, is pasted, cancelling modification completion drawing modification, can be simplified the function of figure software itself out, be reduced BIM
The manufacture and maintenance cost of the learning cost of figure software and software itself out.After construction drawing generates, BIM model and construction drawing drawing
All allow to be manually adjusted, drawing adjusts under the premise of meeting industry drawing norm, it is only necessary to pay attention to proposed by the present invention
Markup information principle of classification, i.e., certain type of markup information or modify after existing similar markup information duplication, or adopts
It is generated with specific marking Function.In addition to this no other limitations of the maintenance of BIM model and markup information.
Preferably, step S4 includes:
Step S41, the calculated description unit for obtaining all components form calculated description list；Calculated description unit includes being indicated
The location information of drawing where text information and mark；Calculated description unit 1-4 is recorded in calculated description list 1；
Step S42 obtains all components in the BIM model and forms build list table；A structure is recorded in component information
In part information aggregate, component information includes classification, size, the rank requirement of component；By the classification of component 1-6, size, position,
Protection class and seismic behavior information are recorded in build list table 2；
Form a set of customization, organized structure drawing mark component i.e. component, the mark that mark component can accommodate
Information, the organizational form of information, display format etc. fully meet the mark rule of structural working drawing；Secondly this kind of mark component is logical
It crosses classification and carries out differentiation appropriate, convenient while using on structural working drawing, marking can also be according to mark class between component
It does not distinguish.Drawing marks component and swings to corresponding position by the mark requirement of structural working drawing, and is different from strong association
Form, the mark component of this system not be marked component formed incidence relation.
Realize that drawing mark component is dynamically determined mechanism be marked component incidence relation.This weak rigidity algorithm is based on upper
The feature for stating the drawing mark component of the customization of description, realizes mark component and the calculating for being marked component management relationship:
Step S43, by each single item calculated description unit in the calculated description list, each of with the build list table
Several groups matching combination is formed according to one-to-one matching relationship between component；
In Fig. 7: the subsequent number of beam is that beam is numbered, and the subsequent number of calculated description is that calculated description is numbered.Similar G0.5-0.4
Such multiline text is a calculated description unit, and dark-coloured text constitutes a calculated description unit in Fig. 6.
I.e. in build list table 2 each component calculated description list 1 only have one it is matched or do not find matching
?；In an alternative embodiment of the invention, there certainly exist each components in build list table 2 only has one in calculated description list 1
Calculated description is matched, and in calculated description information aggregate 1 includes the calculated description for not finding occurrence；
Step S44, in matching combination, by calculate each pair of calculated description unit with matching relationship and component it
Between geometric distance, obtain in matching combination it is all to the calculated description unit with matching relationship and the geometry between component away from
The sum of from；
For each single item in calculated description list 1, " distance " is calculated between the component in build list table 2 one by one, at this
It invents in an embodiment:
Beam calculated description method of determination at a distance from beam are as follows:
If the direction of calculated description text and Liangping row, take several between calculated description location point and the midpoint of beam center line segment
What distance；
If calculated description text is not with Liangping row, taking distance is infinitely great (or distance is -1, and expression can not match)；
Example: the distance between beam 2 and calculated description 3 are relatively close, and the distance between beam 5 and calculated description 3 are farther out；Beam 3 and calculated description 3
The distance between be infinity.
Step S45 by sum of the distance minimum, and has neither part nor lot in the least matching of the sum of matched element number in two lists
Combination is combined as Optimum Matching；Calculated description list 1 is combined with one-to-one matching all possible in build list table 2,
It chooses in each minimum to matching combination sum of the distance and two lists and has neither part nor lot in the least one group of work of the sum of matched element number
For matching result.In Fig. 7, the smallest one group of matched form of sum of the distance are as follows: beam 3- calculated description 4；Beam 2- calculated description 3；Beam 4- meter
Calculate book 2；Beam 5- calculated description 1.The sum of the distance of other combining forms, is all larger than said combination.
Step S46, the matching relationship for calculating in Optimum Matching combination between book list member and component be calculated description unit with
Matching relationship in BIM model between each component.
Construction drawing is generated based on structure BIM model, and was adjusted repeatedly in BIM model iteration optimization, construction drawing drawing
Incidence relation between convenient in journey, the reliable information and BIM model component for keeping construction drawing drawing mark.
Emphasis is the difference in the construction drawing generating process based on mark and component weak rigidity and conventional process mode, and
BIM model and drawing take effective measures the incidence relation for keeping between the two when modifying repeatedly.
Preferably, for unified measurement criteria, and convenient for calculating the position between different types of component and calculated description,
Described the step of calculating the distance between each pair of calculated description unit with matching relationship and component includes:
Step S431 defines the position of calculated description unit and the position of component；Referring to Fig. 6, each calculated description unit has
One location point, the location point of dark-coloured calculated description text is in figure at cross cursor in figure, totally 4 calculated description units in Fig. 6；
Step S432 obtains the location information of the calculated description unit and the location information of the component；
Step S433, according to the location information of the calculated description unit and the component obtain geometry between the two away from
From.It can specifically be obtained by the distance between two o'clock in two-dimensional coordinate system formula.
Preferably, in order to improve computational efficiency, shorten and calculate the time, it is described that the two is obtained according to the location information of the two
Between geometric distance the step of include:
Step S441 when the words direction in calculated description unit is parallel with beam, then takes calculated description cell position point
The distance between midpoint of beam center line segment is geometric distance；
Step S442 when the text in calculated description unit is not parallel with beam, then takes geometric distance for infinity.
It preferably, is that optimization calculates step, described according to input information is that each component generates in structural computational model
In the step of calculated description unit:
Step S21, by Structure Calculation software according to the load information of input in structural computational model to each component
Stress carries out analytical calculation；The Structure Calculation software includes at least one of PKPM, YJK, SAP2000 or Midas；
Step S22 exports the arrangement of reinforcement information of beam.The arrangement of reinforcement information includes gluten, waist muscle, bottom muscle, stirrup.Existing
On the basis of having Structure Calculation software, the arrangement of reinforcement information of beam can be obtained, and including gluten, waist muscle, bottom muscle, stirrup etc.
Details, without obtaining these information from different construction drawings.
Preferably, the component in the markup information and BIM model is based on inputting instructing and be formed according to drawing norm
Include: after step on construction drawing
Step S7A, when modifying to the content of the markup information on the construction drawing；
Such as when the content by drawing markup information being needed to be written in the attribute of corresponding beam, it is necessary to determine figure
The markup information in face and the incidence relation of beam, i.e. mark target is that section of beam.Method of determination is arrived similar to calculated description unit
The association process of beam.It is to determine incidence relation with beam respectively by marking types, and every class marks on but realizing
It calculates and is not quite similar with the mode of " distance " of beam.When all kinds of marks of drawing have all determined the incidence relation with beam, also
It completes drawing and marks the determination to the incidence relation of beam.
Step S8A, the selected markup information for needing to modify；
Step S9A, the associated component of markup information established and selected by weak rigidity algorithm are specific as follows:
Step S91A is obtained and is belonged to same category of all markup information formation markup information column with selected markup information
Table；
Step S92A, all components obtained on the construction drawing form build list table；
Step S93A, it is and each in the build list table by each single item markup information in the mark information list
Several groups matching combination is formed according to one-to-one matching relationship between a component；
Step S94A, in matching combination, by calculate each pair of markup information with matching relationship and component it
Between geometric distance, obtain the matching combination in all geometric distances between markup information and component with matching relationship
The sum of；
Step S95A by sum of the distance minimum, and has neither part nor lot in the least match group of matched element number in two lists
Cooperation is that Optimum Matching combines；
Step S96A, matching relationship between markup information and component is that letter is marked under modification state in Optimum Matching combination
Incidence relation between breath and component.
Modified markup information can be associated with through the above steps with component foundation, realize that markup information and component are same
The effect of step.
Preferably, the component in the markup information and BIM model is based on inputting instructing and be formed according to drawing norm
Include: after step on construction drawing
Step S7B, when being verified to the markup information on the construction drawing；
Step S8B obtains markup information according to classification from the construction drawing, and the other markup information of same row forms one kind
Markup information list；
Step S8B, all components obtained on the construction drawing form build list table；
Step S9B establishes each component and each class markup information in the build list table by weak rigidity algorithm respectively and arranges
Matching relationship in table between each markup information；
Step S10B obtains all markup informations with Components Matching and carries out verifying calculating according to drawing norm；
Step S11B exports information warning when markup information does not meet drawing norm.
Drawing data check and extraction system based on weak rigidity algorithm.Data are customized for different types of structural working drawing
The marked content extracted is associated with the component being marked using weak rigidity algorithm by extraction system.Based on knot in extraction process
Structure specification, detailing requiments, standard collective drawings mark rule etc. verify the legitimacy of data.
Preferably, the component in the markup information and BIM model is based on inputting instructing and be formed according to drawing norm
Include: after step on construction drawing
Step S7C, when being moved to the markup information on the construction drawing or replicate stickup；
Step S8C, the selected markup information for being moved or being replicated；
Step S8C by selected markup information movement or pastes either member calibration on construction drawing according to drawing norm
Position；
Step S8C when the content of the markup information after movement or stickup is modified or verified, passes through weak rigidity algorithm
Establish the component and the matching relationship between the markup information of component calibration position.
When input terminal is moved, dragged or replicated markup information, between markup information and component and there is no be associated with
Relationship, therefore can arbitrarily operate, when according to drawing norm end of operation, if carrying out the behaviour such as content modification again to markup information
Make, when needing to be associated with component, then the incidence relation between markup information and component, Jin Ershi is established by above-mentioned weak rigidity algorithm
It is synchronous between existing markup information and component.
This weak rigidity structure BIM model goes out drawing system, requires only that user is customized when drawing construction drawing using this system
Mark component, can increase or change mark component when new demand occurs, user can using BIM platform itself function such as
Duplication, mobile, additions and deletions such as change, cancels at the drafting that construction drawing is completed in operations, the data of this system extract with check, can help to examine
The drawing consistency of more marks, spill tag, wrong mark and mark value that drawing marks is looked into (as helped the sectional dimension for checking component, marking
The high consistency with corresponding model), legitimacy (as help the arrangement of reinforcement for checking concrete component mark meet related specification requirement,
Construction measure), moreover it is possible to when needed, the data of mark are written on the component of BIM model, to meet structure BIM construction
The standard of figure.
The embodiment of the present invention also provides a kind of weak rigidity system based on BIM model, including processor, and with the place
The memory of device connection is managed, the memory is stored with the weak rigidity program based on BIM model, described based on the weak of BIM model
The step of above method is realized when associated program is executed by the processor.The realization of system and technical effect are referring to above-mentioned any
Based on the weak rigidity method of BIM model described in embodiment.
The other components of other structures BIM model for example shear wall, frame column, floor construction drawing generate and weak rigidity processing with
The above process is similar.And in a broad sense, not only structure BIM model can go out to scheme as above and processing drawing marks and component
Between relationship, build BIM model and go out figure, electromechanics BIM model and go out figure can be used aforesaid way handle.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of weak rigidity method based on BIM model, which comprises the following steps:
According to the BIM model construction and structural computational model that wherein each component corresponds to each other；
It is that each component generates calculated description unit in structural computational model according to input information；
When instructing the projecting direction construction drawing for generating part BIM model according to input；
The matching relationship in calculated description unit and part BIM model between each component is established by weak rigidity algorithm；
It is extracted from the calculated description unit and calculates information formation markup information；
Component in the markup information and part BIM model is based on input instruction according to drawing norm and forms construction drawing.
2. as described in claim 1 based on the weak rigidity method of BIM model, which is characterized in that described to pass through weak rigidity algorithm
The step of establishing the matching relationship in calculated description and BIM model between each component include:
The calculated description unit for obtaining all components forms calculated description list；
It obtains all components in the BIM model and forms build list table；
By each single item calculated description unit in the calculated description list, between each of build list table component according to
One-to-one matching relationship forms several groups matching combination；
In matching combination, by calculate the geometry between each pair of calculated description unit and component with matching relationship away from
From, obtain the matching combination in it is all to the sum of the calculated description unit with matching relationship and the geometric distance between component；
By sum of the distance minimum, and it is optimal that the least match group cooperation of the sum of matched element number is had neither part nor lot in two lists
Matching combination；
It is each structure in calculated description unit and BIM model that the matching relationship between book list member and component is calculated in Optimum Matching combination
Matching relationship between part.
3. as claimed in claim 2 based on the weak rigidity method of BIM model, which is characterized in that it is described calculate it is each pair of have
The step of the distance between calculated description unit with relationship and component includes:
Define the position of calculated description unit and the position of component；
Obtain the location information of the calculated description unit and the location information of the component；
Geometric distance between the two is obtained according to the location information of the calculated description unit and the component.
4. as claimed in claim 3 based on the weak rigidity method of BIM model, which is characterized in that the position according to the two
The step of information acquisition geometric distance between the two includes:
When words direction in calculated description unit is parallel with beam, then calculated description cell position point and beam center line are taken
The distance between midpoint of section is geometric distance；
When text in calculated description unit is not parallel with beam, then take geometric distance for infinity.
5. as described in claim 1 based on the weak rigidity method of BIM model, which is characterized in that described to be existed according to input information
It is in the step of each component generates calculated description unit in structural computational model:
The stress of each component is analyzed in structural computational model according to the load information of input by Structure Calculation software
It calculates；The Structure Calculation software includes at least one of PKPM, YJK, SAP2000 or Midas；
Export the arrangement of reinforcement information of beam.
6. as claimed in claim 5 based on the weak rigidity method of BIM model, which is characterized in that the output beam is matched
In the step of muscle information:
The arrangement of reinforcement information includes gluten, waist muscle, bottom muscle, stirrup.
7. the weak rigidity method as described in any one of claims 1 to 6 based on BIM model, which is characterized in that in the mark
Include: after the step that component in information and BIM model is formed on construction drawing according to drawing norm based on input instruction
When modifying to the content of the markup information on the construction drawing；
The selected markup information for needing to modify；
It obtains and belongs to same category of all markup information formation markup information lists with selected markup information；
All components obtained on the construction drawing form build list table；
By each single item markup information in the mark information list, between each of build list table component according to
One-to-one matching relationship forms several groups matching combination；
In matching combination, by calculating the geometric distance between each pair of markup information and component with matching relationship,
Obtain all the sum of geometric distances between markup information and component with matching relationship in matching combination；
By sum of the distance minimum, and it is Optimum Matching that the least match group cooperation of matched element number is had neither part nor lot in two lists
Combination；
Matching relationship between markup information and component is under modification state between markup information and component in Optimum Matching combination
Incidence relation.
8. the weak rigidity method as described in any one of claims 1 to 6 based on BIM model, which is characterized in that in the mark
Include: after the step that component in information and BIM model is formed on construction drawing according to drawing norm based on input instruction
When being moved to the markup information on the construction drawing or replicate stickup；
The selected markup information for being moved or being replicated；
By selected markup information movement or the position that either member is demarcated on construction drawing is pasted according to drawing norm；
When the content of markup information after movement or stickup is modified or verified, the component is established by weak rigidity algorithm
With the matching relationship between the markup information of component calibration position.
9. the weak rigidity method as described in any one of claims 1 to 6 based on BIM model, which is characterized in that in the mark
Include: after the step that component in information and BIM model is formed on construction drawing according to drawing norm based on input instruction
When being verified to the markup information on the construction drawing；
Markup information is obtained from the construction drawing according to classification, the other markup information of same row forms a kind of markup information column
Table；
All components obtained on the construction drawing form build list table；
Each component and each class in the build list table are established respectively and marks respectively to mark in information list by weak rigidity algorithm believes
Matching relationship between breath；
It obtains all markup informations with Components Matching and carries out verifying calculating according to drawing norm；
When markup information does not meet drawing norm, information warning is exported.
10. a kind of weak rigidity system based on BIM model, which is characterized in that including processor, and be connected to the processor
Memory, the memory is stored with the weak rigidity program based on BIM model, the weak rigidity program based on BIM model
The step of any one of the claims 1~9 the method is realized when being executed by the processor.
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