CN111198680A - File generation system and method based on Arnold renderer - Google Patents
File generation system and method based on Arnold renderer Download PDFInfo
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- CN111198680A CN111198680A CN201911328273.8A CN201911328273A CN111198680A CN 111198680 A CN111198680 A CN 111198680A CN 201911328273 A CN201911328273 A CN 201911328273A CN 111198680 A CN111198680 A CN 111198680A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides a file generation system based on an Arnold renderer, which comprises a programming interface of the Arnold renderer and a programming interface of a Material X library, and is characterized by comprising an information acquisition module and a file writing-out module, wherein the information acquisition module and the file writing-out module respectively depend on the programming interface of the Arnold renderer and the programming interface of the Material X library to realize data reading and writing; the information acquisition module loads a dynamic library through a programming interface of the Arnold renderer, traverses the loader nodes and parameters thereof contained in the dynamic library, acquires related information and transmits the related information to the file writing-out module; the file writing-out module sorts the content transmitted by the information acquisition module according to the format of the material X, and then writes out the information to the Node Definition file through a corresponding writing-out interface.
Description
Technical Field
The invention particularly relates to a file generation system and method based on an Arnold renderer.
Background
The material X is a general material format file proposed by an industrial photomechanical company and aims to provide a same interface to realize the transmission of material data between different three-dimensional software and even different renderers. The Node definition file is a special material X file used for providing Node definition information related to a renderer, and due to the fact that the number of general nodes is large, handwriting of the file is obviously unrealistic, and a similar system capable of automatically generating the file does not exist in the market at present.
Disclosure of Invention
The invention aims to provide a file generation system and method based on an Arnold renderer, which solve the problem of automatically generating a node definition file, include a rendering node applied to third-party development, and save the labor cost of manually writing the node definition file.
The invention provides the following technical scheme:
a file generation system based on an Arnold renderer comprises a programming interface of the Arnold renderer and a programming interface of a materialX library;
the system also comprises an information acquisition module and a file writing-out module, wherein the information acquisition module and the file writing-out module respectively depend on a programming interface of the Arnold renderer and a programming interface of the Material X library to realize data reading and writing;
the information acquisition module loads a dynamic library through a programming interface of the Arnold renderer, traverses the shader nodes and parameters thereof contained in the dynamic library, acquires related information and transmits the related information to the file writing-out module; the file writing-out module sorts the content transmitted by the information acquisition module according to the format of the material X, and then writes out the information to the Node Definition file through a corresponding writing-out interface.
Preferably, the programming interface of the Arnold renderer comprises a plurality of functions for interacting with the Arnold renderer, and the functions comprise data query, data generation and option setting.
Preferably, the program interface of the materialX library is used for providing a function of reading and writing files.
A file generation method based on an Arnold renderer comprises the following steps:
s1, acquiring the existing material nodes through an information acquisition module realized through a programming interface based on an Arnold renderer, traversing each node, acquiring the type and default value of each attribute on each node through the programming interface, storing the type and default value into a data structure of the system, and transmitting related information to a file writing-out module;
s2, a file writing-out module carries out data adaptation on the data acquired from the Arnold renderer aiming at the material X file definition;
and S3, writing out data of each part of the system corresponding to the concept in the material X file through a program interface of the material X library and storing the data in a format of the material X to form a node definition file.
Preferably, the adapting in step S2 includes type name correspondence adapting and data precision adjusting.
The invention has the beneficial effects that: the system is manufactured by using a programming interface provided by an Arnold renderer and a mode similar to a DCC software interface; acquiring necessary information by loading a loader dynamic library and traversing material nodes contained in the dynamic library by using an interface, and outputting the information into a format of MaterialX by using a programming interface provided by the MaterialX to form a node definition file; the system has better universality, can be suitable for material nodes developed by any third party, and generates a node definition file format with a uniform format; in addition, by extension, the system can also be used for generating other types of Arnold node information for reference.
Detailed Description
The node definition file generation system comprises a programming interface of an Arnold renderer and a programming interface of a materialX library;
the system also comprises an information acquisition module and a file writing-out module, wherein the information acquisition module and the file writing-out module respectively depend on a programming interface of the Arnold renderer and a programming interface of the Material X library to realize data reading and writing;
the information acquisition module loads a dynamic library through a programming interface of the Arnold renderer, traverses the loader nodes and parameters thereof contained in the dynamic library, acquires related information and transmits the related information to the file writing-out module; the module can be suitable for all the shader nodes, comprises contents developed by some third parties, can even expand projects for acquiring information of other types of nodes, and has good universality and expansibility;
the file writing-out module sorts and classifies the contents transmitted by the information acquisition module according to the format of material X, and then writes out the information to the Node Definition file through a corresponding writing-out interface, the module is only responsible for writing out the file, the corresponding file can be output as long as the information acquisition layer provides the contents in the same format, and the design can be conveniently added with the support of other renderers.
Specifically, the programming interface of the Arnold renderer includes several functions for interacting with the Arnold renderer, and the several functions include data query, data generation, and option setting.
Specifically, the program interface of the MaterialX library is used to provide a function of reading and writing files.
The method for generating the node definition file comprises the following steps:
s1, acquiring the existing material nodes through an information acquisition module realized through a programming interface based on an Arnold renderer, traversing each node, acquiring the type and default value of each attribute on each node through the programming interface, storing the type and default value into a data structure of the system, and transmitting related information to a file writing-out module;
s2, a file writing-out module carries out data adaptation on the data acquired from the Arnold renderer aiming at the material X file definition;
and S3, writing out data of each part of the system corresponding to the concept in the material X file through a program interface of the material X library and storing the data in a format of the material X to form a node definition file.
Specifically, the adaptation of step S2 includes type name correspondence adaptation and data precision adjustment.
The system is manufactured by using a programming interface provided by an Arnold renderer and a mode similar to a DCC software interface; acquiring necessary information by loading a loader dynamic library and traversing material nodes contained in the dynamic library by using an interface, and outputting the information into a format of MaterialX by using a programming interface provided by the MaterialX to form a node definition file; the system has better universality, can be suitable for material nodes developed by any third party, and generates a nodedefinition file format with a uniform format; in addition, by extension, the system can also be used for generating other types of Arnold node information for reference.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A file generation system based on an Arnold renderer comprises a programming interface of the Arnold renderer and a programming interface of a Material X library, and is characterized by comprising an information acquisition module and a file writing-out module, wherein the information acquisition module and the file writing-out module respectively depend on the programming interface of the Arnold renderer and the programming interface of the Material X library to realize data reading and writing;
the information acquisition module loads a dynamic library through a programming interface of the Arnold renderer, traverses the shader nodes and parameters thereof contained in the dynamic library, acquires related information and transmits the related information to the file writing-out module; the file writing-out module sorts the content transmitted by the information acquisition module according to the format of the material X, and then writes out the information to the Node Definition file through a corresponding writing-out interface.
2. The Arnold renderer-based file generation system as recited in claim 1, wherein the programming interface of the Arnold renderer comprises a plurality of functions for interacting with the Arnold renderer, and wherein the plurality of functions comprise data query, data generation, and option setting.
3. The Arnold renderer-based file generation system as claimed in claim 1, wherein the program interface of the materialX library is configured to provide a function of reading and writing files.
4. A file generation method based on an Arnold renderer is characterized by comprising the following steps:
s1, acquiring the existing material nodes through an information acquisition module realized through a programming interface based on an Arnold renderer, traversing each node, acquiring the type and default value of each attribute on each node through the programming interface, storing the type and default value into a data structure of the system, and transmitting related information to a file writing-out module;
s2, a file writing-out module carries out data adaptation on the data acquired from the Arnold renderer aiming at the material X file definition;
and S3, writing out data of each part of the system corresponding to the concept in the material X file through a program interface of the material X library and storing the data in a format of the material X to form a node definition file.
5. The Arnold renderer-based file generation method as claimed in claim 4, wherein the adapting of step S2 comprises type name correspondence adapting and data precision adjusting.
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