CN108682047B - Three-dimensional building model file conversion method and system - Google Patents
Three-dimensional building model file conversion method and system Download PDFInfo
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Abstract
The invention discloses a three-dimensional building model file conversion method and a three-dimensional building model file conversion system. The method comprises the following steps: acquiring a three-dimensional building model file; dividing the three-dimensional building model file into a plurality of sub-files to be converted; performing TJMD model parallel conversion on the plurality of sub-files to be converted simultaneously by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files; converting according to each TJMD model conversion file to obtain a corresponding Unity AssetBundles model file; packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles; and storing each model data packet into a storage server and a database. By adopting the three-dimensional building model file conversion method or system method, the processing of a large number of model files can be realized.
Description
Technical Field
The invention relates to the field of file processing, in particular to a three-dimensional building model file conversion method and a three-dimensional building model file conversion system.
Background
RVT is a file format used by 3D modeling tool revit, produced by Autodesk. The Reivt is widely applied to industries such as engineering design construction, mechanical manufacturing and the like, and is relatively universal 3D industrial design software. As a single-machine version design software, Revit cannot meet the requirements of consistent rapid access and rapid sharing of model files under the multi-party multi-value chain service collaboration scene. Network transmission and page browsing sharing become a necessary choice. The RVT file belongs to a three-dimensional building model file, and to realize quick access of a 3D model file, several problems need to be solved simultaneously: firstly, the three-dimensional building model file cannot be directly browsed and viewed through a webpage; secondly, as the complexity of the project increases, the size of the three-dimensional building model file is more than 100MB, and the network transmission efficiency of the model file is reduced; third, the data (including attributes, textures, materials, etc.) of the three-dimensional building model file may be distorted and missing due to compression.
The existing solution includes manual conversion by using tools, and data such as material of the model is not lost through third-party tools such as 3D Max. And then the three platforms of the web browser, the Android system and the apple IOS system can be converted into model formats which can be identified based on WebGL. Most of the schemes of the process are manual processing, and the processing of a large number of model files cannot be met.
Disclosure of Invention
The invention aims to provide a three-dimensional building model file conversion method and a three-dimensional building model file conversion system, which improve the efficiency of converting a large number of three-dimensional building model files and further realize the processing of a large number of model files.
In order to achieve the purpose, the invention provides the following scheme:
a three-dimensional building model file conversion method, the method comprising:
acquiring a three-dimensional building model file;
dividing the three-dimensional building model file into a plurality of sub-files to be converted;
performing TJMD model parallel conversion on the plurality of sub-files to be converted simultaneously by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files;
converting according to each TJMD model conversion file to obtain a corresponding Unity AssetBundles model file;
packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles;
and storing each model data packet into a storage server and a database.
Optionally, the three-dimensional building model file conversion method is performed at a cloud.
Optionally, the converting the three-dimensional building model file according to each request to be converted to obtain a plurality of TJMD model conversion files specifically includes:
according to each request to be converted, different R2TJ converters are adopted to perform parallel conversion on the three-dimensional building model files to obtain a plurality of first conversion files;
performing parallel conversion on each first conversion file by adopting different TJ2U converters to obtain a plurality of second conversion files;
and performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
Optionally, the converting according to each TJMD model conversion file to obtain a corresponding Unity AssetBundles model file specifically includes:
performing parallel conversion on each TJMD model conversion file by adopting different 9D converters to obtain a plurality of third conversion files;
and analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file.
Optionally, the method further includes:
acquiring metadata of the three-dimensional building model file;
storing the metadata.
In order to achieve the above purpose, the invention also provides the following scheme:
a three-dimensional building model file conversion system, the system comprising:
the three-dimensional building model file acquisition module is used for acquiring a three-dimensional building model file;
the to-be-converted subfile determining module is used for dividing the three-dimensional building model file into a plurality of to-be-converted subfiles;
the first conversion module is used for simultaneously carrying out TJMD model parallel conversion on the plurality of sub-files to be converted by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files;
the second conversion module is used for converting the files according to each TJMD model to obtain corresponding Unity assetBundles model files;
the packing module is used for packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles;
and the storage module is used for storing each model data packet into a storage server and a database.
Optionally, the first conversion module specifically includes:
a first conversion file obtaining unit, configured to perform parallel conversion on the three-dimensional building model files by using different R2TJ converters according to each request to be converted, so as to obtain a plurality of first conversion files;
a second conversion file obtaining unit, configured to perform parallel conversion on each first conversion file by using different TJ2U converters to obtain a plurality of second conversion files;
and the model conversion file acquisition unit is used for performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
Optionally, the second conversion module specifically includes:
a third conversion file obtaining unit, configured to perform parallel conversion on each TJMD model conversion file by using different 9D converters to obtain a plurality of third conversion files;
and the model file acquisition unit is used for analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file.
Optionally, the system further includes:
the metadata acquisition module is used for acquiring metadata of the three-dimensional building model file;
and the storage module is used for storing the metadata.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides a three-dimensional building model file conversion method, which comprises the steps of obtaining a three-dimensional building model file; dividing the three-dimensional building model file into a plurality of sub-files to be converted; performing TJMD model conversion on the plurality of sub-files to be converted simultaneously by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files; converting according to each TJMD model conversion file to obtain a corresponding Unity AssetBundles model file; packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles; and storing each model data packet into a storage server and a database. Obviously, the method ensures the reliability and the large data processing capacity of the conversion process through the conversion architecture of the distributed multithreading, and improves the whole conversion reliability and the efficiency of converting a large number of three-dimensional building model files by adopting a message queue mode and a distributed deployment method, thereby realizing the processing of a large number of model files.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a three-dimensional building model file conversion method according to an embodiment of the present invention;
fig. 2 is a structural diagram of a three-dimensional building model file conversion system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a three-dimensional building model file conversion method according to an embodiment of the present invention. As shown in fig. 1, a three-dimensional building model file conversion method includes:
step 101: acquiring a three-dimensional building model file, specifically acquiring the three-dimensional building model file from a cloud;
step 102: dividing the three-dimensional building model file into a plurality of sub-files to be converted;
step 103: performing TJMD model conversion on the plurality of sub-files to be converted simultaneously by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files, and specifically comprising the following steps:
according to each request to be converted, different R2TJ converters are adopted to perform parallel conversion on the three-dimensional building model files to obtain a plurality of first conversion files;
performing parallel conversion on each first conversion file by adopting different TJ2U converters to obtain a plurality of second conversion files;
and performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
Step 104: converting according to each TJMD model conversion file to obtain a corresponding Unity assetBundles model file, which specifically comprises the following steps:
performing parallel conversion on each TJMD model conversion file by adopting different 9D converters to obtain a plurality of third conversion files;
analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file;
step 105: packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles;
step 106: and storing each model data packet into a storage server and a database.
The method further comprises the following steps:
acquiring metadata of the three-dimensional building model file;
storing the metadata.
The invention ensures the reliability and the large data processing capacity of the conversion process through the conversion architecture of the distributed multithreading, adopts the message queue mode and the distributed deployment method, improves the integral conversion reliability and the efficiency of converting a large number of three-dimensional building model files, and further realizes the processing of a large number of model files.
The invention is mainly innovated in combining a multithreading distributed architecture and a plurality of automatic system conversion methods, and meets the requirements of high reliability and high performance of an automatic system. The method specifically comprises the following steps:
first, the architectural uniqueness and innovativeness of the automated transformation: the system comprises an automatic conversion controller, an R2TJ converter for converting a three-dimensional building model file into a TJMD file format, a TJ2U converter for converting a TJMD file into a Unity assetBundles file, and a file packaging controller; a three-dimensional building model file conversion engine is built according to the principle of an automatic control system, and the efficiency and the accuracy of file conversion are improved.
Second, the distributed conversion architecture ensures the reliability and large data processing capacity of the conversion process: by adopting an MQ message queue mode and a distributed deployment architecture of various controllers, when one converter is down, the monitoring management service manages other converters to continue working, the reliability of the whole conversion engine and the efficiency and performance of conversion of a large number of three-dimensional building model files are improved, the controller scale of the three-dimensional building model file conversion engine architecture is expanded by utilizing a multithreading asynchronous distributed architecture principle, and the reliability and the conversion performance of the whole engine are improved.
Fig. 2 is a structural diagram of a three-dimensional building model file conversion system according to an embodiment of the present invention. As shown in fig. 2, a three-dimensional building model file conversion system, the system comprising:
a three-dimensional building model file obtaining module 201, configured to obtain a three-dimensional building model file;
a to-be-converted subfile determining module 202, configured to divide the three-dimensional building model file into a plurality of to-be-converted subfiles;
the first conversion module 203 is configured to perform TJMD model conversion on the multiple subfiles to be converted simultaneously by using multiple threads to obtain multiple corresponding TJMD model conversion files;
the second conversion module 204 is configured to convert the TJMD model conversion files to obtain corresponding Unity AssetBundles model files;
the packing module 205 is configured to pack each Unity AssetBundles model file to obtain a model conversion data packet corresponding to a Unity AssetBundles;
and a storage module 206, configured to store each model data packet in a storage server and a database.
The three-dimensional building model file obtaining module 201 is configured to obtain a three-dimensional building model file from a cloud.
The first conversion module 203 specifically includes:
a first conversion file obtaining unit, configured to perform parallel conversion on the three-dimensional building model files by using different R2TJ converters according to each request to be converted, so as to obtain a plurality of first conversion files;
a second conversion file obtaining unit, configured to perform parallel conversion on each first conversion file by using different TJ2U converters to obtain a plurality of second conversion files;
and the model conversion file acquisition unit is used for performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
The second conversion module 204 specifically includes:
a third conversion file obtaining unit, configured to perform parallel conversion on each TJMD model conversion file by using different 9D converters to obtain a plurality of third conversion files;
and the model file acquisition unit is used for analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file.
The system further comprises:
the metadata acquisition module is used for acquiring metadata of the three-dimensional building model file;
and the storage module is used for storing the metadata.
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. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A three-dimensional building model file conversion method, the method comprising:
acquiring a three-dimensional building model file;
dividing the three-dimensional building model file into a plurality of sub-files to be converted;
performing TJMD model parallel conversion on the plurality of sub-files to be converted simultaneously by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files;
converting according to each TJMD model conversion file to obtain a corresponding Unity AssetBundles model file;
packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles;
storing each model conversion data packet into a storage server and a database;
the method for simultaneously performing parallel conversion of the TJMD models on the multiple subfiles to be converted by using multiple threads to obtain multiple corresponding TJMD model conversion files specifically includes:
according to each request to be converted, different R2TJ converters are adopted to perform parallel conversion on the three-dimensional building model files to obtain a plurality of first conversion files;
performing parallel conversion on each first conversion file by adopting different TJ2U converters to obtain a plurality of second conversion files;
and performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
2. The method of claim 1, wherein the method of converting the three-dimensional building model file is performed in a cloud.
3. The method for converting a three-dimensional building model file according to claim 1, wherein the obtaining of the corresponding Unity assestbundles model file according to the conversion of each TJMD model conversion file specifically comprises:
performing parallel conversion on each TJMD model conversion file by adopting different 9D converters to obtain a plurality of third conversion files;
and analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file.
4. The three-dimensional building model file conversion method according to claim 1, further comprising:
acquiring metadata of the three-dimensional building model file;
storing the metadata.
5. A three-dimensional building model file conversion system, the system comprising:
the three-dimensional building model file acquisition module is used for acquiring a three-dimensional building model file;
the to-be-converted subfile determining module is used for dividing the three-dimensional building model file into a plurality of to-be-converted subfiles;
the first conversion module is used for simultaneously carrying out TJMD model parallel conversion on the plurality of sub-files to be converted by adopting multiple threads to obtain a plurality of corresponding TJMD model conversion files;
the second conversion module is used for converting the files according to each TJMD model to obtain corresponding Unity assetBundles model files;
the packing module is used for packing each Unity AssetBundles model file to obtain a model conversion data packet corresponding to the Unity AssetBundles;
the storage module is used for storing each model conversion data packet into a storage server and a database;
the first conversion module specifically includes:
the first conversion file acquisition unit is used for performing parallel conversion on the three-dimensional building model files by adopting different R2TJ converters according to each request to be converted to obtain a plurality of first conversion files;
a second conversion file obtaining unit, configured to perform parallel conversion on each first conversion file by using different TJ2U converters to obtain a plurality of second conversion files;
and the model conversion file acquisition unit is used for performing parallel conversion on each second conversion file by adopting different SU2TJ converters to obtain a plurality of TJMD model conversion files.
6. The three-dimensional building model file conversion system according to claim 5, wherein the second conversion module specifically comprises:
a third conversion file obtaining unit, configured to perform parallel conversion on each TJMD model conversion file by using different 9D converters to obtain a plurality of third conversion files;
and the model file acquisition unit is used for analyzing each third conversion file to obtain a corresponding Unity AssetBundles model file.
7. The three-dimensional building model file conversion system according to claim 5, further comprising:
the metadata acquisition module is used for acquiring metadata of the three-dimensional building model file;
and the storage module is used for storing the metadata.
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