CN109215115A - It is a kind of to identify method, system, terminal and the medium for carrying out 3D modeling by drawing - Google Patents
It is a kind of to identify method, system, terminal and the medium for carrying out 3D modeling by drawing Download PDFInfo
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Abstract
The invention belongs to technical field of computer information processing, and in particular to a kind of that method, system, terminal and the medium for carrying out 3D modeling are identified by drawing, comprising the following steps: obtain the component diagram layer name in CAD building design drawing, and obtain component diagram layer name table；Fractionation name is carried out to several drawings in CAD building design drawing, and obtains drawing file catalogue；Under 3D modeling environment, importing empties model, all drawings is imported in emptying model, and carry out normative adjustment to model is emptied；According to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, the member function item that every drawing needs to be implemented successively is determined；Emptying in model after the adjustment, according to component diagram layer name table, to the component modeled in every drawing, carries out identification modeling by enabling corresponding member function item.The present invention can be realized the increasingly automated of overmolded process, improve 3D modeling operational efficiency, and provide three-dimensional initial data for subsequent development and utilization.
Description
Technical field
The invention belongs to technical field of computer information processing, and in particular to a kind of identified by drawing carries out 3D modeling
Method, system, terminal and medium.
Background technique
With being constantly progressive for science and technology, computer with more and more extensive, is consulted in engineering in building engineering field
Ask the case that the engineering metering software used is exactly a utilization and life.
The application of engineering metering software is so that operating efficiency has great promotion compared with traditional manual calculation amount, in two dimension
During conversion of drawings to threedimensional model, what operating personnel was commonly used is the drafting sexual function of engineering metering software, such
The original drawing of CAD can be carried out quick 3D overmolded by method, but for heavy construction, a large amount of manpower that can still expend is provided
Source, working efficiency are lower.
In terms of the two-dintension CAD drawing of existing building class is not applied only to above-mentioned project cost, it is each to be also applied to other
Aspect.But present two-dimensional CAD diagram paper is neither intuitively also unfavorable for subsequent further development and utilization, such as three-dimensional Decoration Design,
Threedimensional model displaying, above-mentioned cost calculating etc..
Summary of the invention
For the defects in the prior art, the present invention provides a kind of is identified the method for 3D modeling that carries out by drawing, is
System, terminal and medium can carry out drawing identification to CAD building design drawing, and carry out 3D modeling according to recognition result, and realization is turned over
Increasingly automated, the raising 3D modeling operational efficiency of mold process, and three-dimensional initial data is provided for subsequent development and utilization.
In a first aspect, identifying the method for carrying out 3D modeling by drawing the present invention provides a kind of, comprising the following steps:
The component diagram layer name in CAD building design drawing is obtained, and obtains component diagram layer name table；
Fractionation name is carried out to several drawings in CAD building design drawing, and obtains drawing file catalogue；
Under 3D modeling environment, importing empties model, all drawings is imported in emptying model, and carry out to model is emptied
Normalization adjustment；
According to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, the member function that every drawing needs to be implemented successively is determined
?；
Emptying in model after the adjustment, according to component diagram layer name table, to the structure modeled in every drawing
Part carries out identification modeling by enabling corresponding member function item.
Preferably, the component diagram layer name obtained in CAD building design drawing, and component diagram layer name table is obtained, have
Body are as follows:
Read the layer properties information of CAD building design drawing；
From layer properties information, the component diagram layer name modeled is read out；
Component diagram layer name table is generated according to component diagram layer name.
Preferably, described several drawings in CAD building design drawing carry out fractionation name, and obtain drawing file mesh
Record, specifically:
CAD building design drawing is split according to the priority of floor after first component, is split as several drawings；
It is named according to the series that naming rule standardizes all drawings after fractionation, and obtains drawing file catalogue.
Preferably, it is described empty model be it is preset, different empties model, equipped with different computation rules.
Preferably, the normative adjustment of model progress is emptied for described pair, specifically:
It carries out coordinate system to all drawings emptied in model to be uniformly processed, in order to later period modeling.
Preferably, the component modeled in every drawing is corresponded to by enabling according to component diagram layer name table
Member function item carry out identification modeling, specifically:
A member function item for enabling current drawing is found in component diagram layer name table according to the member function item
Corresponding figure layer title, chooses corresponding figure layer according to figure layer title and carries out identification modeling to the component in figure layer；
Previous step is repeated, successively according to remaining member function item to remaining component modeled in current drawing
It is modeled, until all Component Modelings modeled in current drawing are completed；
After the completion of current drawing modeling, according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, successively to remaining drawing
It is modeled by identical method, until all Component Modelings modeled in all drawings are completed.
Preferably, a member function item for enabling current drawing, specifically:
According to current Modeling interface, relative size and position by current Modeling interface set design parameter, simulate mouse
Mark, keyboard or other interactive modes, activating element function items.
Second aspect identifies the system for carrying out 3D modeling by drawing the present invention provides a kind of, is suitable for first aspect
Described identifies the method for carrying out 3D modeling by drawing, comprising:
Map data mining platform unit for obtaining the component diagram layer name in CAD building design drawing, and generates component diagram layer name
Table
Design drawing split cells obtains drawing for carrying out fractionation name to several drawings in CAD building design drawing
File directory；
Model adjustment unit, for importing and emptying model, all figures are imported in emptying model under 3D modeling environment
Paper, and normative adjustment is carried out to model is emptied；
Function items determination unit, for successively determining every figure according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue
The member function item that paper needs to be implemented；
Drawing modeling unit, for emptying in model after the adjustment, according to component diagram layer name table, in every drawing
The component modeled carries out identification modeling by enabling corresponding member function item.
The third aspect, the present invention provides a kind of terminals that progress 3D modeling is identified by drawing, including processor, input
Equipment, output equipment and memory, the processor, input equipment, output equipment and memory are mutually interconnected by communication bus
It connects, wherein the memory is for storing computer program, and the computer program includes program instruction, the processor quilt
It is configured to call described program instruction, executes method described in first aspect.
Fourth aspect, the present invention provides a kind of computer readable storage medium, the computer storage medium is stored with
Computer program, the computer program include program instruction, and described program instruction makes the processing when being executed by a processor
Device executes method described in first aspect.
The invention has the benefit that drawing identification can be carried out to CAD building design drawing, and carried out according to recognition result
3D modeling realizes the increasingly automated of overmolded process, improves 3D modeling operational efficiency, and provide for subsequent development and utilization
Three-dimensional initial data.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, the unit
Or step is only a kind of division of logicality, can also there is other division modes.
Fig. 1 is to identify the method flow diagram for carrying out 3D modeling in the present embodiment by drawing；
Fig. 2 is to identify the system construction drawing for carrying out 3D modeling in the present embodiment by drawing.
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 embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be appreciated that term " includes " and "comprising" instruction are retouched in description of the invention and the appended claims
State the presence of feature, entirety, step, operation, element and/or component, but be not precluded one or more of the other feature, entirety,
Step, operation, the presence or addition of element, component and/or its set.
It is also understood that in this description of the invention and term used in the attached claims merely for the sake of
It is not intended to limit the present invention for the purpose of describing particular embodiments.Such as the institute in description of the invention and the appended claims
As use, other situations unless the context is clearly specified, otherwise " one " of singular, "one" and "the" are intended to wrap
Include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
Embodiment one:
A kind of method that progress 3D modeling is identified by drawing is present embodiments provided, as shown in Figure 1, including but is not limited to
Following steps S1, S2, S3, S4 and S5.
S1 obtains the component diagram layer name in CAD building design drawing, and obtains component diagram layer name table.This step S1 packet
Include tri- specific steps of S11, S12 and S13:
S11 reads the layer properties information of CAD building design drawing；
S12 reads out the component diagram layer name modeled from layer properties information；
S13 generates component diagram layer name table according to component diagram layer name.
It is artificial by observing original CAD building design drawing in CAD software in the present embodiment, it uses " figure layer modification "
Function modifies to the figure layer for not meeting standard criterion.After the completion of modification, by CAD program development interface, using specific
Program function class reads the layer properties information of CAD building design drawing, and layer properties information includes component diagram layer name etc..So
Program reads out the component diagram layer name modeled from layer properties information afterwards, and is organized into component diagram layer name table
Export, in case subsequent 3D modeling software uses.Such as: in one whole CAD diagram, the name of figure layer where indicating the figure of " column " component
Referred to as COLUMN, entitled " WALL " of figure layer where stating the figure of " wall " component then include in component diagram layer name table
The component diagrams layer name such as COLUMN, WALL.
S2 carries out fractionation name to several drawings in CAD building design drawing, and obtains drawing file catalogue.This step
Rapid S2 includes two specific steps of S21 and S22:
CAD building design drawing is split according to the priority of floor after first component, is split as several drawings by S21；
S22 is named according to the series that naming rule standardizes all drawings after fractionation, and is obtained drawing file mesh
Record.
Several drawings usually are contained in original CAD building design drawing, identifies and models in order to facilitate the later period, are needed pair
Several drawings in design drawing are split.Such as the architectural drawing original document of certain residential building is " residential quarters building structure
Scheme .dwg ", in this document comprising negative one layer to three layers wall column figure, negative one layer to three layers of beam figure and negative one layer is to three layers
Plate figure, totally ten two drawings, this 12 drawings are inside one whole CAD diagram.The present embodiment is first torn open by Component Category
It is divided into wall column figure, beam figure and plate figure, wall column figure is split as negative one layer wall column figure, one layer of wall column figure, two layers of wall according still further to floor
Column figure and three layers of wall column figure, Jiang Liangtu are split as negative one layer beam figure, one layer of beam figure, two layers of beam figure and tri-layer beams figure, plate figure are torn open
It is divided into negative one laminate figure, a laminate figure, two laminate figures and three ply board figure.Then according to naming rule (A#B.dwg) to this 12
It opens drawing to be successively named: 1#-1.dwg, 1#1.dwg, 1#2.dwg, 1#3.dwg；2#-1.dwg,2#1.dwg,2#2.dwg,
2#3.dwg；3#-1.dwg,3#1.dwg,3#2.dwg,3#3.dwg；1 before # indicates that wall column figure, 2 indicate beam figure, 3 display plates
Scheme, -1 after # indicates that negative one layer figure, 1 indicate that one layer of figure, two layers of 2 expression are schemed, 3 indicate three layers of figure.After the completion of name, it will name
The map title afterwards successively sorts, and obtains drawing file catalogue.
S3, under 3D modeling environment, importing empties model, imports all drawings in emptying model, and to emptying model
Carry out normative adjustment.It is described empty model be it is preset according to building trade specification, different empties model, be equipped with not
Same computation rule.The current model that empties includes 11G editions and 16G editions, and the rule that the two versions calculate project amount is different.
In the present embodiment, after opening 3D modeling software, importing empties model, and all fractionations are imported in emptying model
Then drawing afterwards carries out normative adjustment to emptying model, described pair empties model and carry out normative adjustment, i.e., to emptying mould
All drawings in type carry out coordinate system and are uniformly processed, in order to which the later period carries out 3D modeling under the same coordinate system.
S4 successively determines the component that every drawing needs to be implemented according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue
Function items.When having a kind of component in a drawing, then the drawing has the member function item needed to be implemented；When a drawing
In there are many component when, then the drawing has the multinomial member function item needed to be implemented.Such as selection " 1#-1.dwg " (i.e. negative one layer
Wall column figure), then the member function item needed to be implemented includes wall identification function and column identification function.
S5, emptying in model after the adjustment, according to component diagram layer name table, to what is modeled in every drawing
Component carries out identification modeling by enabling corresponding member function item.This step S5 includes that these are specific by S51, S52 and S53
Step:
S51 enables a member function item of current drawing, according to the member function item in component diagram layer name table
Corresponding figure layer title is found, corresponding figure layer is chosen according to figure layer title and identification modeling is carried out to the component in figure layer；
S52 repeats previous step, successively according to remaining member function item to remaining modeled in current drawing
Component is modeled, until all Component Modelings modeled in current drawing are completed.
S53, after the completion of current drawing modeling, according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, successively to remaining
Drawing is modeled by identical method, until all Component Modelings modeled in all drawings are completed.
In the present embodiment, after determining function items, according to drawing file catalogue, successively all drawings are modeled；
When being modeled to same drawing (drawing may include multiple component figure layers), successively according to different component figure layers
Different components is modeled.In modeling, program identifies that modeling process is with figure layer for automatic identification modeling process
On the basis of, because figure layer is that numerous and disorderly complicated or even some figure layers are unwanted, are to be not used in 3D modeling in a drawing
, so needing reading element figure layer title table, selected according to the figure layer in name-matches software modeling function, thus to needs
The component modeled is modeled, to smoothly complete modeling work.
For example, first drawing 1#-1.dwg (i.e. negative one layer wall column figure) in drawing file catalogue is current drawing, 1#-
The member function item of 1.dwg includes column identification function and wall identification function, enables a member function item of current drawing first,
A function items for enabling current drawing specifically: according to current Modeling interface, pass through the opposite ruler of current Modeling interface
Very little and position sets design parameter, simulation mouse, keyboard or other interactive modes, activating element function items.For example, passing through foot
This language setting program, driving mouse carries out sequence of operations, activates " column " identification function item, after enabling column identification function item,
Figure layer title " COLUMN " relevant to column is found out in component diagram layer name table (obtaining by step S1), finds relevant figure
After layer name, column figure layer corresponding in 1#-1.dwg drawing is chosen in modeling software, finally identifies the column structure in column figure layer
Part is simultaneously modeled.It after the completion of the pillar modeling in 1#-1.dwg drawing, needs to model wall, then enables wall identification function
Energy item, then finds out figure layer title " WALL " relevant to wall, after finding relevant figure layer title in component diagram layer name table
Wall figure layer corresponding in 1#-1.dwg drawing is chosen in modeling software, finally identify the wall member in wall figure layer and is built
Mould.
After the completion of by Component Modeling in 1#-1.dwg drawing, advised according to the sequence defined inside drawing file catalogue
Then, according to above-mentioned similar method, successively remaining 11 drawing is modeled, until will need to carry out in all drawings
All Component Modelings of modeling are completed.
To sum up institute, the method for the present embodiment can carry out drawing identification to CAD building design drawing, and according to recognition result
3D modeling is carried out, realizes the increasingly automated of overmolded process, improves 3D modeling operational efficiency, and mention for subsequent development and utilization
Three-dimensional initial data is supplied.
Embodiment two:
A kind of system that progress 3D modeling is identified by drawing is present embodiments provided, suitable for leading to described in embodiment one
The method that drawing identification carries out 3D modeling is crossed, as shown in Fig. 2, including map data mining platform unit, design drawing split cells, model adjustment
Unit, function items determination unit, drawing modeling unit etc..
The map data mining platform unit for obtaining the component diagram layer name in CAD building design drawing, and generates component figure layer
Title table.The map data mining platform unit is specifically used for:
Read the layer properties information of CAD building design drawing；
From layer properties information, the component diagram layer name modeled is read out；
Component diagram layer name table is generated according to component diagram layer name.
It is artificial by observing original CAD building design drawing in CAD software in the present embodiment, it uses " figure layer modification "
Function modifies to the figure layer for not meeting standard criterion.After the completion of modification, by CAD program development interface, using specific
Program function class reads the layer properties information of CAD building design drawing, and layer properties information includes component diagram layer name etc..So
Program reads out the component diagram layer name modeled from layer properties information afterwards, and is organized into component diagram layer name table
Export, in case subsequent 3D modeling software uses.Such as: in one whole CAD diagram, the name of figure layer where indicating the figure of " column " component
Referred to as COLUMN, entitled " WALL " of figure layer where stating the figure of " wall " component then include in component diagram layer name table
The component diagrams layer name such as COLUMN, WALL.
The design drawing split cells is obtained for carrying out fractionation name to several drawings in CAD building design drawing
Drawing file catalogue.The design drawing split cells is specifically used for:
CAD building design drawing is split according to the priority of floor after first component, is split as several drawings；
It is named according to the series that naming rule standardizes all drawings after fractionation, and obtains drawing file catalogue.
Several drawings usually are contained in original CAD building design drawing, identifies and models in order to facilitate the later period, are needed pair
Several drawings in design drawing are split.Such as the architectural drawing original document of certain residential building is " residential quarters building structure
Scheme .dwg ", in this document comprising negative one layer to three layers wall column figure, negative one layer to three layers of beam figure and negative one layer is to three layers
Plate figure, totally ten two drawings, this 12 drawings are inside one whole CAD diagram.The present embodiment is first torn open by Component Category
It is divided into wall column figure, beam figure and plate figure, wall column figure is split as negative one layer wall column figure, one layer of wall column figure, two layers of wall according still further to floor
Column figure and three layers of wall column figure, Jiang Liangtu are split as negative one layer beam figure, one layer of beam figure, two layers of beam figure and tri-layer beams figure, plate figure are torn open
It is divided into negative one laminate figure, a laminate figure, two laminate figures and three ply board figure.Then according to naming rule (A#B.dwg) to this 12
It opens drawing to be successively named: 1#-1.dwg, 1#1.dwg, 1#2.dwg, 1#3.dwg；2#-1.dwg,2#1.dwg,2#2.dwg,
2#3.dwg；3#-1.dwg,3#1.dwg,3#2.dwg,3#3.dwg；1 before # indicates that wall column figure, 2 indicate beam figure, 3 display plates
Scheme, -1 after # indicates that negative one layer figure, 1 indicate that one layer of figure, two layers of 2 expression are schemed, 3 indicate three layers of figure.After the completion of name, it will name
The map title afterwards successively sorts, and obtains drawing file catalogue.
The model adjustment unit imports all for importing and emptying model under 3D modeling environment in emptying model
Drawing, and normative adjustment is carried out to model is emptied.The model that empties is, difference preset according to building trade specification
Empty model, equipped with different computation rules.The current model that empties includes 11G editions and 16G editions, the two versions calculate work
The rule of journey amount is different.
In the present embodiment, after opening 3D modeling software, importing empties model, and all fractionations are imported in emptying model
Then drawing afterwards carries out normative adjustment to emptying model, described pair empties model and carry out normative adjustment, i.e., to emptying mould
All drawings in type carry out coordinate system and are uniformly processed, in order to which the later period carries out 3D modeling under the same coordinate system.
The function items determination unit, for successively determining every according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue
Open the member function item that drawing needs to be implemented.When having a kind of component in a drawing, then the drawing has one to need to be implemented
Member function item；When there are many when component, then the drawing has the multinomial member function item needed to be implemented in a drawing.Such as it selects
It selects " 1#-1.dwg " (i.e. negative one layer wall column figure), then the member function item needed to be implemented includes wall identification function and column identification function
Energy.
The drawing modeling unit schemes every according to component diagram layer name table for emptying in model after the adjustment
The component modeled in paper carries out identification modeling by enabling corresponding member function item.The drawing modeling unit
It is specifically used for:
A member function item for enabling current drawing is found in component diagram layer name table according to the member function item
Corresponding figure layer title, chooses corresponding figure layer according to figure layer title and carries out identification modeling to the component in figure layer；
Previous step is repeated, successively according to remaining member function item to remaining component modeled in current drawing
It is modeled, until all Component Modelings modeled in current drawing are completed.
After the completion of current drawing modeling, according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, successively to remaining drawing
It is modeled by identical method, until all Component Modelings modeled in all drawings are completed.
In the present embodiment, after determining function items, according to drawing file catalogue, successively all drawings are modeled；
When being modeled to same drawing (drawing may include multiple component figure layers), successively according to different component figure layers
Different components is modeled.In modeling, program identifies that modeling process is with figure layer for automatic identification modeling process
On the basis of, because figure layer is that numerous and disorderly complicated or even some figure layers are unwanted, are to be not used in 3D modeling in a drawing
, so needing reading element figure layer title table, selected according to the figure layer in name-matches software modeling function, thus to needs
The component modeled is modeled, to smoothly complete modeling work.
For example, first drawing 1#-1.dwg (i.e. negative one layer wall column figure) in drawing file catalogue is current drawing, 1#-
The member function item of 1.dwg includes column identification function and wall identification function, enables a member function item of current drawing first,
A function items for enabling current drawing specifically: according to current Modeling interface, pass through the opposite ruler of current Modeling interface
Very little and position sets design parameter, simulation mouse, keyboard or other interactive modes, activating element function items.For example, passing through foot
This language setting program, driving mouse carries out sequence of operations, activates " column " identification function item, after enabling column identification function item,
Figure layer title " COLUMN " relevant to column is found out in component diagram layer name table to model after finding relevant figure layer title
Column figure layer corresponding in 1#-1.dwg drawing is chosen in software, finally identify the column component in column figure layer and is modeled.When
After the completion of pillar modeling in 1#-1.dwg drawing, needs to model wall, then wall identification function item is enabled, then in component
Figure layer title " WALL " relevant to wall is found out in figure layer title table, is incited somebody to action in modeling software after finding relevant figure layer title
Corresponding wall figure layer is chosen in 1#-1.dwg drawing, finally identifies the wall member in wall figure layer and is modeled.
After the completion of by Component Modeling in 1#-1.dwg drawing, advised according to the sequence defined inside drawing file catalogue
Then, according to above-mentioned similar method, successively remaining 11 drawing is modeled, until will need to carry out in all drawings
All Component Modelings of modeling are completed.
To sum up institute, the system of the present embodiment can carry out drawing identification to CAD building design drawing, and according to recognition result
3D modeling is carried out, realizes the increasingly automated of overmolded process, improves 3D modeling operational efficiency, and mention for subsequent development and utilization
Three-dimensional initial data is supplied.
Embodiment three:
Present embodiments provide a kind of terminal for identifying by drawing and carrying out 3D modeling, including processor, input equipment, defeated
Equipment and memory out, the processor, input equipment, output equipment and memory are connected with each other by communication bus, wherein
The memory is for storing computer program, and the computer program includes program instruction, and the processor is configured for
Described program instruction is called, method described in embodiment one is executed.
It should be appreciated that in embodiments of the present invention, alleged memory may include read-only memory and random access memory
Device, and instruction and data is provided to processor.The a part of of memory can also include nonvolatile RAM.Example
Such as, memory can also be stored with the relevant information of device type.
Processor is for running or executing the operating system being stored in internal storage, various software programs, and
The instruction set of itself, and the data for handle from touch input unit or receiving from other external input approach with
Instruction, to realize various functions.Processor can include but is not limited to central processing unit (CPU), general image processor
(GPU), microprocessor (MCU), digital signal processor (DSP), field programmable gate array (FPGA), application specific collection
At one of circuit (ASIC) or a variety of.In some embodiments, processor and Memory Controller can be on a single chip
It realizes.In some other embodiments, they can be realized on chip independent of each other respectively.
Input equipment can be camera (CAMERA or WEBCAM) etc., camera be also known as camera computer, computer eye with
And electronic eyes etc., it is that a kind of video drives into the touch input unit such as equipment and numeric keypad or mechanical keyboard；The output
Equipment may include display (display) etc..
In the specific implementation, processor described in the embodiment of the present invention, input equipment, output equipment and memory can be held
Implementation described in embodiment in row embodiment one, details are not described herein.
To sum up institute, the terminal of the present embodiment can carry out drawing identification to CAD building design drawing, and according to recognition result
3D modeling is carried out, realizes the increasingly automated of overmolded process, improves 3D modeling operational efficiency, and mention for subsequent development and utilization
Three-dimensional initial data is supplied.
Example IV:
A kind of computer readable storage medium is present embodiments provided, the computer storage medium is stored with computer journey
Sequence, the computer program include program instruction, and described program instruction makes the processor execute reality when being executed by a processor
Apply method described in example one.
Specifically, the computer readable storage medium may include caching (Cache), high-speed random access memory
(RAM), such as common double data rate Synchronous Dynamic Random Access Memory (DDR SDRAM), and may also include non-volatile
Property memory (NVRAM), such as one or more read-only memory (ROM), disk storage equipment, flash memory (Flash) memory
Equipment or other non-volatile solid state memory equipment such as CDs (CD-ROM, DVD-ROM), floppy disk or data tape etc..
To sum up institute, the computer readable storage medium of the present embodiment can carry out drawing identification to CAD building design drawing,
And 3D modeling is carried out according to recognition result, it realizes the increasingly automated of overmolded process, improves 3D modeling operational efficiency, and after being
Continuous development and utilization provide three-dimensional initial data.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and method and step, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This
A little functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
In several embodiments provided herein, it should be understood that described system and method can pass through it
Its mode is realized.For example, embodiment of the method and system embodiment described above is only schematical, for example, described
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of identify the method for carrying out 3D modeling by drawing, which comprises the following steps:
The component diagram layer name in CAD building design drawing is obtained, and obtains component diagram layer name table；
Fractionation name is carried out to several drawings in CAD building design drawing, and obtains drawing file catalogue；
Under 3D modeling environment, importing empties model, all drawings is imported in emptying model, and standardize to model is emptied
Property adjustment；
According to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, the member function item that every drawing needs to be implemented successively is determined；
Emptying in model after the adjustment, leads to the component modeled in every drawing according to component diagram layer name table
It crosses and enables corresponding member function item and carry out identification modeling.
2. a kind of method for identifying progress 3D modeling by drawing according to claim 1, which is characterized in that the acquisition
Component diagram layer name in CAD building design drawing, and component diagram layer name table is obtained, specifically:
Read the layer properties information of CAD building design drawing；
From layer properties information, the component diagram layer name modeled is read out；
Component diagram layer name table is generated according to component diagram layer name.
3. a kind of method for identifying progress 3D modeling by drawing according to claim 2, which is characterized in that described right
Several drawings in CAD building design drawing carry out fractionation name, and obtain drawing file catalogue, specifically:
CAD building design drawing is split according to the priority of floor after first component, is split as several drawings；
It is named according to the series that naming rule standardizes all drawings after fractionation, and obtains drawing file catalogue.
4. a kind of method for identifying progress 3D modeling by drawing according to claim 3, which is characterized in that described to empty
Model be it is preset, different empties model, equipped with different computation rules.
5. a kind of method for identifying progress 3D modeling by drawing according to claim 4, which is characterized in that described opposed
Empty model carries out normative adjustment, specifically:
It carries out coordinate system to all drawings emptied in model to be uniformly processed, in order to later period modeling.
6. a kind of method for identifying progress 3D modeling by drawing according to claim 5, which is characterized in that according to component
Figure layer title table carries out identification by the corresponding member function item of enabling and builds to the component modeled in every drawing
Mould, specifically:
A member function item for enabling current drawing is found in component diagram layer name table corresponding according to the member function item
Figure layer title, corresponding figure layer is chosen according to figure layer title and identification modeling is carried out to the component in figure layer；
Previous step is repeated, successively remaining component modeled in current drawing is carried out according to remaining member function item
Modeling, until all Component Modelings modeled in current drawing are completed；
After the completion of current drawing modeling, according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue, successively remaining drawing is passed through
Identical method is modeled, until all Component Modelings modeled in all drawings are completed.
7. a kind of method for identifying progress 3D modeling by drawing according to claim 6, which is characterized in that the enabling
One member function item of current drawing, specifically:
According to current Modeling interface, relative size and position by current Modeling interface, setting design parameter, simulation mouse,
Keyboard or other interactive modes, activating element function items.
8. a kind of identify the system for carrying out 3D modeling by drawing, pass through drawing suitable for claim 1-7 is described in any item
The method that identification carries out 3D modeling characterized by comprising
Map data mining platform unit for obtaining the component diagram layer name in CAD building design drawing, and generates component diagram layer name table
Design drawing split cells obtains drawing file for carrying out fractionation name to several drawings in CAD building design drawing
Catalogue；
Model adjustment unit, for importing and emptying model, all drawings are imported in emptying model under 3D modeling environment, and
Normative adjustment is carried out to model is emptied；
Function items determination unit, for successively determining that every drawing is needed according to the Cahn-Ingold-Prelog sequence rule defined inside drawing file catalogue
The member function item to be executed；
Drawing modeling unit, for emptying in model after the adjustment, according to component diagram layer name table, to being needed in every drawing
The component modeled carries out identification modeling by enabling corresponding member function item.
9. a kind of identify the terminal for carrying out 3D modeling, including processor, input equipment, output equipment and memory by drawing,
The processor, input equipment, output equipment and memory are connected with each other by communication bus, which is characterized in that the storage
Device is for storing computer program, and the computer program includes program instruction, and the processor is configured for described in calling
Program instruction executes the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that the computer storage medium is stored with computer program,
The computer program includes program instruction, and described program instruction makes the processor execute such as right when being executed by a processor
It is required that the described in any item methods of 1-7.
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| CN201810952518.3A CN109215115A (en) | 2018-08-21 | 2018-08-21 | It is a kind of to identify method, system, terminal and the medium for carrying out 3D modeling by drawing |
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| CN110889229A (en) * | 2019-11-29 | 2020-03-17 | 万翼科技有限公司 | CAD drawing identification method and device, electronic equipment and storage medium |
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| CN110096270A (en) * | 2019-05-06 | 2019-08-06 | 浙江精工钢结构集团有限公司 | A kind of design drawing method for splitting and system based on .NET plug-in unit |
| CN110889229A (en) * | 2019-11-29 | 2020-03-17 | 万翼科技有限公司 | CAD drawing identification method and device, electronic equipment and storage medium |
| CN111026704A (en) * | 2019-12-05 | 2020-04-17 | 上海维宏电子科技股份有限公司 | Method for realizing generation and storage processing of machining tool path information in numerical control system and storage medium thereof |
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| CN111368353A (en) * | 2020-02-21 | 2020-07-03 | 广州易达建信科技开发有限公司 | CAD drawing rollover method, system, device and storage medium |
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Address after: 306, floor 3, building 68, No. 19, Chegongzhuang West Road, Haidian District, Beijing 100000 Applicant after: Qingju Technology Co., Ltd Address before: 100044 Building 3 306, No. 68, 19 Chegongzhuang West Road, Haidian District, Beijing Applicant before: TIANZHI ENGINEERING CONSULTATION Co.,Ltd. |
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Application publication date: 20190115 |