CN112580175A - Method and system for establishing BIM (building information modeling) for current pipe network - Google Patents
Method and system for establishing BIM (building information modeling) for current pipe network Download PDFInfo
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Abstract
The invention discloses a method and a system for establishing a BIM (building information modeling) model for a current pipe network, and belongs to the technical field of BIM modeling. The method comprises the following steps: acquiring target data; establishing a preliminary pipe network model aiming at the table data; confirming that the coordinates in the table data accord with the standard of the plane graph; screening out the shape, the pipe diameter, the plane position and the elevation of the starting point and the end point of the pipeline from the classified table data to generate a modeling data table; creating a pipeline through the line graphics primitives, and assigning values to pipeline size data; and processing the geophysical prospecting base map to obtain the connection mode of the pipeline in the current situation, and converting the connection mode and the modeling data table into a preliminary pipe network model in a script operation mode to generate a BIM model. The method has the advantages of high modeling efficiency, high accuracy and the like, can provide a transferable, visual, convenient and easy-to-use data support for engineering practitioners in the design and construction stages, and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of BIM modeling, in particular to a method and a system for building BIM for a current pipe network.
Background
The municipal pipe network is an infrastructure of a city, if the comprehensive pipe gallery is a main artery of the city, the municipal pipe network is a capillary vessel of the city, and the municipal pipe network comprises electric power, telecommunication, network, communication, heat, gas, rainwater drainage, sewage drainage and the like. At every detail of our lives, we have them to serve us.
Building Information Model (BIM) is a multidimensional Information data integration technology, and the advantages of parameterization, visualization and integration of BIM are gradually popularized in planning, designing, constructing and operation and maintenance stages of engineering projects in recent years.
The expression to current situation municipal pipe network in traditional engineering is through the plane map with geophysical prospecting form data, because municipal pipe network specialty is numerous and the layout route is complicated, designer and constructor can't understand the vertical spatial distribution condition of each professional pipeline directly perceivedly when using the drawing, must through the height of retrieval inquiry target pipeline section stage number in the form, this kind of mode of seeing the picture will waste staff's time greatly, although can reach the effect of direct-viewing show through the manual modeling, this kind of input-output ratio is extremely low.
Disclosure of Invention
In view of the above problems, the present invention provides a method for establishing BIM for a current pipe network, including:
the method comprises the steps of obtaining geophysical prospecting table data of a current pipe network, and preprocessing the geophysical prospecting table data to obtain target data;
importing target data into a table according to a modeling standard of BIM to generate table data, and establishing a preliminary pipe network model aiming at the table data;
classifying the information type of the table data according to the table data, and confirming that the coordinate in the table data conforms to the standard with the plane graph;
screening out the shape, the pipe diameter, the plane position and the elevation of the starting point and the end point of the pipeline from the classified table data to generate a modeling data table;
calling a modeling data table, establishing a pipeline starting point primitive and a pipeline ending point primitive aiming at a primary pipe network model, connecting the pipeline starting point primitive and the pipeline ending point primitive to establish a pipeline, and assigning values to the pipeline according to size data;
and processing the geophysical prospecting base map to obtain the connection mode of the pipeline in the current situation, and converting the connection mode and the modeling data table into a preliminary pipe network model in a script operation mode to generate a BIM model.
Optionally, the connection mode of the pipeline under the current situation is obtained, and the coordinate system of the geophysical prospecting base map is not changed.
Optionally, the geophysical survey table data includes: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
Optionally, when the shape of the pipeline is screened out, the cross section of the pipeline is judged, and the shape of the cross section is judged.
Optionally, it is determined that the coordinates in the table data conform to the plane graph standard, to determine whether the coordinates in the table data and the plane graph are conforming data.
The invention also provides a system for establishing the BIM for the current pipe network, which comprises the following steps:
the system comprises an initial unit, a data processing unit and a data processing unit, wherein the initial unit is used for acquiring geophysical prospecting table data of a current pipe network, and preprocessing the geophysical prospecting table data to acquire target data;
the data processing unit is used for importing target data into a table according to a modeling standard of BIM (building information modeling) to generate table data, establishing a primary pipe network model for the table data, classifying information types of the table data according to the table data, confirming that coordinates in the table data accord with a plane graph standard, screening out plane positions and elevations of a pipeline shape, a pipeline diameter, a pipeline starting point and a pipeline finishing point for the classified table data, and generating a modeling data table;
and the modeling unit calls the modeling data table, establishes line primitives of a starting point and an end point of the pipeline aiming at the preliminary pipe network model, connects the line primitives of the starting point and the end point of the pipeline, creates a pipeline through the line primitives, assigns values to the pipeline according to size data, processes the geophysical basic map, acquires the connection mode of the current pipeline, converts the connection mode and the modeling data table into the preliminary pipe network model in a script operation mode, and generates the BIM.
Optionally, the connection mode of the pipeline under the current situation is obtained, and the coordinate system of the geophysical prospecting base map is not changed.
Optionally, the geophysical survey table data includes: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
Optionally, when the shape of the pipeline is screened out, the cross section of the pipeline is judged, and the shape of the cross section is judged.
Optionally, it is determined that the coordinates in the table data conform to the plane graph standard, to determine whether the coordinates in the table data and the plane graph are conforming data.
The method has the advantages of high modeling efficiency, high accuracy and the like, can provide a transferable, visual, convenient and easy-to-use data support for engineering practitioners in the design and construction stages, and improves the working efficiency.
Drawings
FIG. 1 is a flow chart of a method for building BIM for a presence pipe network according to the present invention;
FIG. 2 is a flowchart of a method for building BIM for a presence pipe network according to an embodiment of the present invention
Fig. 3 is a system structure diagram for building BIM for the present pipe network according to the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The invention provides a method for establishing BIM for a current pipe network, as shown in figure 1, comprising the following steps:
the method comprises the steps of obtaining geophysical prospecting table data of a current pipe network, and preprocessing the geophysical prospecting table data to obtain target data;
importing target data into a table according to a modeling standard of BIM to generate table data, and establishing a preliminary pipe network model aiming at the table data;
classifying the information type of the table data according to the table data, and confirming that the coordinate in the table data conforms to the standard with the plane graph;
screening out the shape, the pipe diameter, the plane position and the elevation of the starting point and the end point of the pipeline from the classified table data to generate a modeling data table;
calling a modeling data table, establishing a pipeline starting point primitive and a pipeline ending point primitive aiming at a primary pipe network model, connecting the pipeline starting point primitive and the pipeline ending point primitive to establish a pipeline, and assigning values to the pipeline according to size data;
and processing the geophysical prospecting base map to obtain the connection mode of the pipeline in the current situation, and converting the connection mode and the modeling data table into a preliminary pipe network model in a script operation mode to generate a BIM model.
The connection mode of the pipeline under the current situation is obtained, and the coordinate system of the geophysical prospecting base map is not changed.
Geophysical table data comprising: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
And judging the cross section of the pipeline when the shape of the pipeline is screened out, and judging the shape of the cross section.
And confirming that the coordinates in the table data accord with the plane graph standard, and determining whether the coordinates in the table data and the plane graph are consistent data.
The invention is further illustrated by the following examples:
the flow of the embodiment, as shown in fig. 2, includes:
step S1: providing geophysical prospecting table data and preprocessing the geophysical prospecting table data, wherein the data comprise pipe section size, pipe section start and end coordinates, elevation and a geographic coordinate system.
Step S2: according to a modeling standard, an excel is adopted to arrange and create a data file, the result is xls, a parameterization program script is created through Dynamo, the result is dyn, a pipe network model is created through Revit, and the result is rvt;
step S3: classifying the table data according to the specialty;
step S4: checking whether the coordinates in the table look-up table data are consistent with the plane graph or not in the Autodesk CAD;
step S5: performing table processing in Excel through screening and a Lookup function, and screening out the pipeline shape (rectangle/circle), the pipe diameter, the plane position and the elevation of a starting point and a terminal point of each pipeline according to lines;
step S6: loading the processed Excel table in the Autodesk Revit through a table processing module in the Dynamo plug-in;
step S7: respectively creating a pipeline starting point primitive and a pipeline ending point primitive (x, y, z) through a data screening module, and connecting two points to create a line primitive;
step S8: creating a pipe by using a pipeline creating module through a line primitive, and simultaneously assigning size (length x width/diameter) data to the section of the pipe;
step S8: processing the geophysical prospecting base map through Autodesk CAD, wherein the result is dwg;
step S9: the processed geophysical prospecting base map is referred to Revit in a connection mode, and an original coordinate system is guaranteed to be unchanged;
step S10: dynamo scripts were run to convert the geophysical prospecting tabulated data to the municipal pipeline BIM model.
The present invention further provides a system 200 for building BIM for a presence pipe network, as shown in fig. 3, including:
the initial unit 201 is used for acquiring geophysical prospecting table data of the current pipe network, preprocessing the geophysical prospecting table data and acquiring target data;
the data processing unit 202 is used for importing target data into a table according to a modeling standard of BIM (building information modeling) to generate table data, establishing a primary pipe network model for the table data, classifying information types of the table data according to the table data, confirming that coordinates in the table data accord with a plane graph standard, screening out plane positions and elevations of a pipeline shape, a pipeline diameter, a pipeline starting point and a pipeline finishing point for the classified table data, and generating a modeling data table;
the modeling unit 203 calls a modeling data table, establishes line primitives of a starting point and an end point of a pipeline aiming at the preliminary pipe network model, connects the line primitives of the starting point and the end point of the pipeline, creates a pipeline through the line primitives, assigns values to the pipeline according to size data, processes a geophysical basic map, acquires the connection mode of the current pipeline, converts the connection mode and the modeling data table into the preliminary pipe network model in a script operation mode, and generates a BIM model.
The connection mode of the pipeline under the current situation is obtained, and the coordinate system of the geophysical prospecting base map is not changed.
Geophysical table data comprising: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
And judging the cross section of the pipeline when the shape of the pipeline is screened out, and judging the shape of the cross section.
And confirming that the coordinates in the table data accord with the plane graph standard, and determining whether the coordinates in the table data and the plane graph are consistent data.
The method has the advantages of high modeling efficiency, high accuracy and the like, can provide a transferable, visual, convenient and easy-to-use data support for engineering practitioners in the design and construction stages, and improves the working efficiency.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A method for establishing BIM for a presence pipe network, the method comprising:
the method comprises the steps of obtaining geophysical prospecting table data of a current pipe network, and preprocessing the geophysical prospecting table data to obtain target data;
importing target data into a table according to a modeling standard of BIM to generate table data, and establishing a preliminary pipe network model aiming at the table data;
classifying the information type of the table data according to the table data, and confirming that the coordinate in the table data conforms to the standard with the plane graph;
screening out the shape, the pipe diameter, the plane position and the elevation of the starting point and the end point of the pipeline from the classified table data to generate a modeling data table;
calling a modeling data table, establishing a pipeline starting point primitive and a pipeline finishing point primitive aiming at a primary pipe network model, connecting the pipeline starting point primitive and the pipeline finishing point primitive, establishing a pipeline through the pipeline primitives, and assigning value to pipeline size data;
and processing the geophysical prospecting base map to obtain the connection mode of the pipeline in the current situation, and converting the connection mode and the modeling data table into a preliminary pipe network model in a script operation mode to generate a BIM model.
2. The method of claim 1, wherein the obtaining of the connection of the presence pipe is performed without changing a coordinate system of the geophysical prospecting map.
3. The method of claim 1, the geophysical table data, comprising: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
4. The method of claim 1, wherein the shape of the selected pipe is determined by determining a cross-sectional shape of the selected pipe.
5. The method of claim 1, wherein the determining that the coordinates in the tabular data conform to the plan view criteria is determining whether the coordinates in the tabular data and the plan view are conforming data.
6. A system for building BIM for a presence pipe network, the system comprising:
the system comprises an initial unit, a data processing unit and a data processing unit, wherein the initial unit is used for acquiring geophysical prospecting table data of a current pipe network, and preprocessing the geophysical prospecting table data to acquire target data;
the data processing unit is used for importing target data into a table according to a modeling standard of BIM (building information modeling) to generate table data, establishing a primary pipe network model for the table data, classifying information types of the table data according to the table data, confirming that coordinates in the table data accord with a plane graph standard, screening out plane positions and elevations of a pipeline shape, a pipeline diameter, a pipeline starting point and a pipeline finishing point for the classified table data, and generating a modeling data table;
and the modeling unit calls the modeling data table, establishes line primitives of a starting point and an end point of the pipeline aiming at the preliminary pipe network model, connects the line primitives of the starting point and the end point of the pipeline, creates a pipeline through the line primitives, assigns values to the pipeline according to size data, processes the geophysical basic map, acquires the connection mode of the current pipeline, converts the connection mode and the modeling data table into the preliminary pipe network model in a script operation mode, and generates the BIM.
7. The system of claim 6, wherein the connection to the presence pipe is obtained without changing a coordinate system of the geophysical map.
8. The system of claim 6, the geophysical table data, comprising: the size of a pipe section, start and end coordinates of the pipe section, elevation and a geographic coordinate system of the pipe section of the existing pipe network.
9. The system of claim 6, wherein in selecting the shape of the conduit, the cross-sectional shape of the conduit is determined by determining the cross-sectional shape of the conduit.
10. The system of claim 6, wherein the determination that the coordinates in the tabular data conform to the plan view criteria is to determine whether the coordinates in the tabular data and the plan view are conforming data.
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