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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.
Most 3DS files belong to Autodesk's 3DS Max. 3DS Enterprise Archive File is mainly used to store 3D graphics usually created with 3DS Max, a cross-platform 3D modeler and renderer. 3DS files usually contain 3D models, animations, scenes, resource objects (OBJs), viewport settings, lighting information, materials, and mesh data for 3D models. Other 3D design software such as AutoCAD, Maya, Photoshop, Pianoalto can also open and render 3DS files. In addition to 3D graphics, the 3DS format is also a ROM image format used to capture and save game data transferred from 3DS handheld video cassettes to gaming devices developed by Nintendo.