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IGES (Initial Graphics Exchange Specification) is an international standard for graphic data exchange between computer-aided design (CAD) systems.
IGES files are organized in text format to describe information about 2D and 3D geometric models. It provides a universal data exchange format that allows for data exchange across different CAD software and systems. IGES files contain information such as geometric shapes, topological relationships, dimensions and tolerances, surface characteristics, assembly structures, and can be accompanied by other non geometric attributes such as color, material, hierarchy, etc.
The IGES file adopts a neutral and platform independent representation method, allowing data to be correctly interpreted and processed in different CAD systems. It uses the concept of solid modeling to represent geometric objects as points, lines, curves, surfaces, and their relationships. IGES also supports various geometric types of representations, such as straight line segments, arcs, conics, NURBS curves, planes, spheres, cylindrical surfaces, conical surfaces, polygons, and so on.
The use of IGES format for data exchange has the following advantages: firstly, it provides extensive software compatibility, allowing seamless sharing and exchange of graphic data between different CAD systems. Secondly, IGES files are in text format, making them easy to understand and edit. In addition, IGES is an international standard widely accepted and supported, making data exchange more reliable and reliable.
However, IGES also has some limitations. Due to the text-based format of IGES, the file size is large and there are certain limitations on the accuracy of the description. In addition, IGES does not support advanced features and complex topological relationships, which may lead to information loss or misunderstanding in some cases.
Nevertheless, IGES remains an important CAD data exchange standard, widely used in industrial manufacturing, aerospace, automotive engineering, and other fields. It provides a standardized solution for data sharing and collaboration between different CAD systems.
glTF (GL Transmission Format) is a 3D file format that stores 3D model information in JSON format. The use of JSON minimizes the size of 3D assets and the runtime processing required to decompress and use these assets. It is used by applications for efficient transmission and loading of 3D scenes and models. glTF was developed by the Khronos Group 3D Format Working Group and is also described by its creators as the JPEG of 3D.
The glTF file format defines a scalable, universal publishing format for 3D content tools and services, simplifying the creative workflow and enabling interoperable use of content across industries. The purpose of creating the glTF file format is to define a scalable, universal publishing format for 3D content tools and services, simplifying the creative workflow and enabling interoperable use of content across industries. It minimizes the runtime processing required by applications using WebGL and other APIs.