CN114036606A - Model conversion method and system for irregular wall - Google Patents
Model conversion method and system for irregular wall Download PDFInfo
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Abstract
The invention relates to a method and a system for model conversion of an irregular wall, which comprises the following steps: receiving a calculation data generation instruction; determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction; obtaining a type identifier of a wall body in a design model; and performing calculation data conversion on the design model based on the type identification of the wall. The method can determine the type of the wall body based on the type identification of the wall body so as to realize the calculation data conversion of the irregular wall body, and further obtain an accurate calculation model, so that the model conversion of the irregular wall body is the same as the model conversion of the conventional wall body, and the accuracy of the calculation of the engineering quantity of the irregular wall body is greatly improved.
Description
Technical Field
The invention relates to the technical field of project engineering quantity calculation, in particular to a method and a system for model conversion of an irregular wall.
Background
The existing modeling mode of the computation model is generally converted into a three-dimensional computation model by identifying a two-dimensional drawing in a DWG format, and the computation model is directly generated by converting a PDMS design model.
The conventional wall body converted by the PDMS model is formed by horizontally stretching a rectangular vertical face along a specified direction, namely, the geometric parameters of the wall body are obtained by calculating the size of the rectangular vertical face and coordinates of a stretching starting point and a stretching finishing point, and the geometric parameters are converted into a calculation quantity model. However, there are many self-defined walls in PDMS, and the construction method is completely different from that of the conventional wall, so that the method cannot be used to convert the wall into a computational model, and the conversion technology needs to be re-developed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and a system for converting a model of an irregular wall body aiming at the existing defects.
The technical scheme adopted by the invention for solving the technical problems is as follows: the model conversion method for constructing the irregular wall comprises the following steps:
receiving a calculation data generation instruction;
determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction;
obtaining the type identification of the wall body in the design model;
and performing calculation data conversion on the design model based on the type identification of the wall.
In the method for model conversion of an irregular wall according to the present invention, the method further includes:
the calculation data generation instruction is generated by triggering a calculation model conversion operation instruction triggered by a user;
alternatively, the computation data generation instruction is triggered to be generated after the design model is approved.
In the method for model conversion of an irregular wall according to the present invention, the determining a design model to be subjected to computation model conversion according to the computation data generation instruction includes:
acquiring a drawing identification according to the calculation data generation instruction;
and determining the design model according to the drawing identification.
In the method for model conversion of an irregular wall according to the present invention, the type identification of the wall includes: regular walls and irregular walls.
In the method for model conversion of an irregular wall according to the present invention, if the type identifier of the wall is an irregular wall, the performing computation data conversion on the design model based on the type identifier of the wall includes:
determining bottom surface information of the wall bottom surface of the irregular wall body;
determining wall height information of the irregular wall body;
and storing the bottom surface information and the wall height information in an SFC data file, and marking an irregular wall body to finish the calculation data conversion of the design model.
In the method for model conversion of an irregular wall according to the present invention, the determining bottom surface information of a wall bottom surface of the irregular wall includes:
acquiring coordinates of each surface of the irregular wall;
determining the minimum coordinate according to the coordinates of each surface;
determining a wall bottom surface of the irregular wall body based on the minimum coordinates;
performing inflection point identification on the wall bottom surface of the irregular wall body to obtain an inflection point of the wall bottom surface of the irregular wall body;
acquiring inflection point coordinates and radian information of all inflection points in the inflection points of the wall bottom surface of the irregular wall body;
and the inflection point coordinates and radian information of all inflection points are the bottom surface information.
In the method for model conversion of an irregular wall according to the present invention, the determining wall height information of the irregular wall includes:
acquiring the distance from the wall bottom surface of the irregular wall body to the vertex;
and obtaining the wall height information of the irregular wall body based on the distance from the wall bottom surface to the vertex of the irregular wall body.
In the method for model conversion of an irregular wall according to the present invention, the method further includes:
after completing the computation data transformation of the design model:
judging whether a calculation amount request instruction of an irregular wall body is received or not;
if yes, acquiring an SFC data file based on the calculation amount request instruction of the irregular wall;
acquiring a computation model corresponding to the computation request instruction of the irregular wall according to the SFC data file; the computational model comprises: bottom surface information and wall height information of the irregular wall body;
and calculating the calculated amount based on the calculated amount model to obtain the engineering amount data.
In the method for model conversion of an irregular wall according to the present invention, the calculating an amount based on the calculation amount model to obtain engineering amount data includes:
obtaining bottom surface information and wall height information of the irregular wall body based on the calculated quantity model;
calculating the area and/or the volume of the irregular wall according to the bottom surface information and the wall height information of the irregular wall;
forming engineering volume data based on the area and/or volume of the irregular wall.
The invention also provides a model conversion system of the irregular wall, which comprises:
a receiving unit configured to receive a calculation amount data generation instruction;
the model determining unit is used for determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction;
the identification obtaining unit is used for obtaining the type identification of the wall body in the design model;
and the data conversion unit is used for performing calculation data conversion on the design model based on the type identification of the wall.
The method and the system for model conversion of the irregular wall have the following beneficial effects: the method comprises the following steps: receiving a calculation data generation instruction; determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction; obtaining a type identifier of a wall body in a design model; and performing calculation data conversion on the design model based on the type identification of the wall. The method can determine the type of the wall body based on the type identification of the wall body so as to realize the calculation data conversion of the irregular wall body, and further obtain an accurate calculation model, so that the model conversion of the irregular wall body is the same as the model conversion of the conventional wall body, and the accuracy of the calculation of the engineering quantity of the irregular wall body is greatly improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic flow chart of a model transformation method for an irregular wall according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a model transformation system for an irregular wall according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The model conversion method of the irregular wall body provided by the invention realizes the calculated quantity model conversion of the self-defined wall (namely the irregular wall body) in PDMS, thereby obtaining the accurate engineering quantity of the irregular wall body. In the embodiment of the invention, PDMS (Plant Design Management System) is a three-dimensional collaborative Design System (platform), and can be used for multiple professional designers to jointly create a Design model on the platform and output construction drawings.
In the embodiment of the invention, the SFC, namely THSware Industry Foundation Classes, is an SFC standard established by THSware (sville) based on IFC, and can be used for realizing information exchange of project engineering quantity calculation. Among them, Industry Foundation Classes (IFC for short) is an international standard for data exchange in the construction Industry.
Specifically, referring to fig. 1, it is a schematic flow chart of an alternative embodiment of the method for model conversion of an irregular wall provided by the present invention.
As shown in fig. 1, the method for transforming the irregular wall model includes the following steps:
step S101, receiving a calculation amount data generation instruction.
In the embodiment of the invention, the calculation data generation instruction can be generated by triggering the calculation model conversion operation instruction triggered by a user. The calculated amount referred in the embodiment of the invention is the calculation of project engineering amount. The calculation data is the related data of the project engineering quantity calculation process.
Alternatively, in some other embodiments, the computation data generation instructions are generated for triggering after the design model is approved.
Specifically, when a wall model in PDMS needs to be converted into an computation model that can be used for engineering quantity calculation, a user may trigger a computation model conversion operation instruction, thereby triggering a computation data generation instruction. The calculation data generation instruction carries an identifier of a design model to be subjected to calculation model conversion, and a corresponding drawing identifier can be obtained based on the identifier of the design model.
Alternatively, the calculation amount data generation instruction may automatically trigger generation of a corresponding calculation amount data generation instruction for the calculation amount data of the design model (graph) after the design model to be subjected to the processing model conversion is approved.
And S102, determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction.
In the embodiment of the present invention, determining a design model to be subjected to computation model conversion according to a computation data generation instruction includes: acquiring a drawing identification according to a calculation data generation instruction; and determining a design model according to the drawing identification.
Specifically, the drawing identification of the design model to be subjected to the computation model conversion carried by the computation data generation instruction can be identified according to the computation data generation instruction, and the design model to be subjected to the computation model conversion is uniquely determined based on the drawing identification.
And S103, obtaining the type identification of the wall body in the design model.
In the embodiment of the present invention, the type identifier of the wall includes: regular walls and irregular walls.
And step S104, performing calculation data conversion on the design model based on the type identification of the wall.
And if the wall body can be determined to be a regular wall body based on the type identification of the wall body, converting by adopting a data conversion method of a conventional wall body. The data conversion method of the conventional wall body may adopt the existing conventional conversion method, and the invention is not particularly limited.
In the embodiment of the present invention, if the type identifier of the wall is an irregular wall, performing the computation data conversion on the design model based on the type identifier of the wall includes: determining bottom surface information of the wall bottom surface of the irregular wall body; determining wall height information of an irregular wall body; and storing the bottom surface information and the wall height information in an SFC data file, and marking an irregular wall body to finish the calculation data conversion of the design model.
In some embodiments, determining floor information for a wall bottom surface of an irregular wall body comprises: obtaining coordinates of each surface of the irregular wall; determining a minimum coordinate according to the coordinates of each surface; determining the wall bottom surface of the irregular wall body based on the minimum coordinates; performing inflection point identification on the wall bottom surface of the irregular wall body to obtain an inflection point of the wall bottom surface of the irregular wall body; acquiring inflection point coordinates and radian information of all inflection points in the inflection points of the wall bottom surface of the irregular wall body; and the inflection point coordinates and radian information of all inflection points are bottom surface information.
Optionally, in some embodiments, determining the wall height information of the irregular wall includes: acquiring the distance from the wall bottom surface to the top point of the irregular wall body; and obtaining the wall height information of the irregular wall body based on the distance from the wall bottom surface to the top point of the irregular wall body.
Specifically, when the computation data conversion is performed on the irregular wall, the plane with the minimum coordinate can be determined as the wall bottom surface of the irregular wall based on the coordinates of each plane in the wall, then inflection points are identified on the wall bottom surface to obtain the coordinate and radian information of each inflection point, the distance from the wall bottom surface to the apex is obtained to obtain the height of the wall (namely, wall height information), and finally, the coordinate and radian information of each inflection point and the height of the wall are stored in the SFC data file corresponding to the design model and are marked as the irregular wall. In the embodiment of the invention, the SFC, namely the thware Industry Foundation Classes (svville BIM interaction file), is a BIM model lightweight format file independently developed by the thware, and contains model geometric information, component characteristic information and the like. Among them, Industry Foundation Classes (IFC for short) is an international standard for data exchange in the construction Industry. In the embodiment of the invention, the SFC file is used as an intermediate format file for converting the PDMS design model into the computation model, and the drawing shape information and the partial computation information which are acquired from the design model and the corresponding parameter information stored in the BMMS are written on the SFC file. For example, a class of pipelines may be length-calculated as specified by engineering calculation specifications, i.e., safe class 2 carbon steel, wherein a portion of the calculated amount information (including safe class 2, carbon steel, gauge, casing form, warranty grade) may be obtained from the design model, and another portion of the calculated amount information (including joint form, pressure test, … …, non-destructive testing requirements, etc.) may be obtained from the BMMS system.
Among them, the BMMS System (Bulk Material Management System, which is a Bulk Material Management System) is a database for storing a Bulk Material platform. The bulk material platform database is used for managing and storing material parameters of all materials.
Optionally, in the embodiment of the present invention, the irregular wall (i.e., Type GWALL) may be input in the PDMS platform when a designer designs on the PDMS platform. Alternatively, it may be determined by the number of inflection points marking the bottom surface of the wall.
Specifically, determining the irregular wall by the number of inflection points marking the bottom surface of the wall may be determined in the following manner. That is, the inflection point identification is performed on the wall bottom surface of the irregular wall body according to the number of the inflection points, and the obtaining of the inflection point of the wall bottom surface of the irregular wall body includes: comparing the number of inflection points with a preset number of inflection points; if the number of the inflection points is larger than the number of the preset inflection points, acquiring radians of all the inflection points; screening is carried out based on the radians of all the inflection points, so that the number of the screened inflection points is equal to the number of preset inflection points; the screened inflection point is the inflection point of the wall bottom surface of the irregular wall body.
In some embodiments, the screening based on the radians of all the inflection points, such that the screened number of inflection points is equal to the preset number of inflection points, comprises: sequencing from small to large according to the radians of all inflection points; and deleting inflection points one by one according to the sequencing result from small to large until the number of the screened inflection points is equal to the number of preset inflection points.
Or, in some other embodiments, if the number of inflection points is less than the preset number of inflection points, the current inflection point is maintained; the current inflection point is the inflection point of the wall bottom surface of the irregular wall body after being screened.
For example, if the number of marked inflection points is 7 (that is, the number of preset inflection points is 7), when identifying inflection points, if the number of identified inflection points is greater than 7, sorting may be performed based on the radians of the inflection points, and a small radian is deleted until the number of remaining inflection points after deletion is equal to 7, where the remaining inflection points are inflection points of the wall bottom surface of the irregular wall body. If the number of the identified inflection points is less than 7, all the identified inflection points are the inflection points of the wall bottom surface of the irregular wall body. Optionally, in the embodiment of the present invention, when the operation of marking the type of the irregular wall is performed, after the inflection point of the wall bottom surface of the irregular wall is identified, a prompt message for marking the inflection point may be output. The prompt message can display the wall bottom surface of the irregular wall and the identified inflection point, so that a user can execute corresponding operation marking operation, and the user can conveniently mark the inflection point based on the mark of the user, and coordinates corresponding to the marked position are taken as inflection point coordinates, so that the final inflection point is obtained.
In the embodiment of the present invention, the method for model conversion of an irregular wall further includes: after completing the computation data transformation of the design model: judging whether a calculation amount request instruction of an irregular wall body is received or not; if yes, acquiring an SFC data file based on the calculation amount request instruction of the irregular wall; acquiring a computation model corresponding to a computation request instruction of the irregular wall according to the SFC data file; the calculation model comprises: bottom surface information and wall height information of the irregular wall body; and calculating the calculated amount based on the calculated amount model to obtain the engineering amount data.
Optionally, in the embodiment of the present invention, performing the computation based on the computation model, and obtaining the engineering quantity data includes: obtaining bottom surface information and wall height information of the irregular wall body based on the calculation model; calculating the area and/or the volume of the irregular wall body according to the bottom surface information and the wall height information of the irregular wall body; engineering volume data is formed based on the area and/or volume of the irregular wall.
The model conversion method of the irregular wall body provided by the embodiment of the invention ensures that the model conversion of the irregular wall body is the same as that of a conventional wall body, and after a designed model is approved, an instruction is triggered to realize the model conversion, so that the fast calculation data conversion of the self-defined wall in PDMS is realized, and the accuracy of the irregular wall body engineering quantity calculation is improved.
Referring to fig. 2, a schematic block diagram of an alternative embodiment of the irregular wall model transformation system provided by the present invention is shown. The model conversion system of the irregular wall can be realized by adopting the model conversion method of the irregular wall disclosed by the embodiment of the invention.
Specifically, as shown in fig. 2, the model transformation system for an irregular wall includes:
a receiving unit 101 is configured to receive a calculation amount data generation instruction.
And the model determining unit 102 is used for determining a design model to be subjected to the calculation amount model conversion according to the calculation amount data generation instruction.
And the identification obtaining unit 103 is used for obtaining the type identification of the wall in the design model.
And the data conversion unit 104 is used for performing computation data conversion on the design model based on the type identification of the wall.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. A model conversion method of an irregular wall body is characterized by comprising the following steps:
receiving a calculation data generation instruction;
determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction;
obtaining the type identification of the wall body in the design model;
and performing calculation data conversion on the design model based on the type identification of the wall.
2. The method for model transformation of an irregular wall according to claim 1, further comprising:
the calculation data generation instruction is generated by triggering a calculation model conversion operation instruction triggered by a user;
alternatively, the computation data generation instruction is triggered to be generated after the design model is approved.
3. The method for model conversion of an irregular wall according to claim 1, wherein the determining a design model to be subjected to the computation model conversion according to the computation data generation instruction comprises:
acquiring a drawing identification according to the calculation data generation instruction;
and determining the design model according to the drawing identification.
4. The method for model transformation of an irregular wall according to claim 1, wherein the type identification of the wall comprises: regular walls and irregular walls.
5. The method for model transformation of an irregular wall according to claim 4, wherein if the wall type identifier is an irregular wall, the computationally transforming the design model based on the wall type identifier comprises:
determining bottom surface information of the wall bottom surface of the irregular wall body;
determining wall height information of the irregular wall body;
and storing the bottom surface information and the wall height information in an SFC data file, and marking an irregular wall body to finish the calculation data conversion of the design model.
6. The method for model transformation of an irregular wall according to claim 5, wherein the determining bottom surface information of the wall bottom surface of the irregular wall comprises:
acquiring coordinates of each surface of the irregular wall;
determining the minimum coordinate according to the coordinates of each surface;
determining a wall bottom surface of the irregular wall body based on the minimum coordinates;
performing inflection point identification on the wall bottom surface of the irregular wall body to obtain an inflection point of the wall bottom surface of the irregular wall body;
acquiring inflection point coordinates and radian information of all inflection points in the inflection points of the wall bottom surface of the irregular wall body;
and the inflection point coordinates and radian information of all inflection points are the bottom surface information.
7. The method of model transformation of an irregular wall according to claim 5, wherein the determining the wall height information of the irregular wall comprises:
acquiring the distance from the wall bottom surface of the irregular wall body to the vertex;
and obtaining the wall height information of the irregular wall body based on the distance from the wall bottom surface to the vertex of the irregular wall body.
8. The method for model transformation of an irregular wall according to claim 5, further comprising:
after completing the computation data transformation of the design model:
judging whether a calculation amount request instruction of an irregular wall body is received or not;
if yes, acquiring an SFC data file based on the calculation amount request instruction of the irregular wall;
acquiring a computation model corresponding to the computation request instruction of the irregular wall according to the SFC data file; the computational model comprises: bottom surface information and wall height information of the irregular wall body;
and calculating the calculated amount based on the calculated amount model to obtain the engineering amount data.
9. The method for model conversion of an irregular wall according to claim 8, wherein the performing computation based on the computation model and obtaining engineering data comprises:
obtaining bottom surface information and wall height information of the irregular wall body based on the calculated quantity model;
calculating the area and/or the volume of the irregular wall according to the bottom surface information and the wall height information of the irregular wall;
forming engineering volume data based on the area and/or volume of the irregular wall.
10. A system for model conversion of irregular walls, comprising:
a receiving unit configured to receive a calculation amount data generation instruction;
the model determining unit is used for determining a design model to be subjected to calculation model conversion according to the calculation data generation instruction;
the identification obtaining unit is used for obtaining the type identification of the wall body in the design model;
and the data conversion unit is used for performing calculation data conversion on the design model based on the type identification of the wall.
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| CN202111290808.4A CN114036606A (en) | 2021-11-02 | 2021-11-02 | Model conversion method and system for irregular wall |
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| CN202111290808.4A CN114036606A (en) | 2021-11-02 | 2021-11-02 | Model conversion method and system for irregular wall |
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