IGES to JSON Conversion
Use our powerful converter to quickly change IGES to JSON - here's how:
Download & Install Autoconverter
Convert IGES files to JSON format using Autoconverter - simply install and launch the software on your system.
Import IGES File
Click Open... to open your IGES file (.igs, .iges) or drag and drop it into the application window.
Export to JSON Format
Click Save As... to export your file to the JSON file format (.json, .cityjson).
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Initial Graphics Exchange File
A file format widely used in the fields of CAD (Computer-Aided Design), CAM (Computer-Aided Manufacturing), and CAE (Computer-Aided Engineering), as it enables to transfer of 3D models and designs across different platforms and applications. Developed in the 1980s and standardized by ANSI and ISO, IGES remains a foundational yet legacy-neutral format for 3D data exchange.
Key Features of IGES/IGS
- Text-Based Geometry Storage: The IGES format stores all geometric data in human-readable text, enabling easy editing but potentially creating large files when exporting complex models with dense meshes.
- Color Representation: IGES maintains color information at the assembly level, preserving visual clarity in multi-component designs.
- Transparency Limitations: Unlike modern formats, IGES lacks alpha channel support, meaning transparency settings from original 3D designs won't carry through in exported files.
IGES/IGS File Conversion
Autoconverter provides full read/write capabilities for IGES files through the Open Cascade framework, ensuring compatibility with the latest specifications. The application works exclusively with triangulated mesh geometry when processing IGES files. For projects requiring native NURBS surface preservation, we recommend using Autoshaper, which maintains the original smooth surface definitions throughout conversion.
CityJSON File
A modern, JSON based (JavaScript Object Notation) file format designed for storing 3D city models. It efficiently represents buildings, roads, bridges, and other urban features with support for textures, semantics, and metadata.
Key Features of CityJSON
- JSON-Based: Lightweight, human-readable, and easy to parse (no complex XML like CityGML).
- Semantic Richness: Preserves object attributes (e.g., building heights, roof types, road classifications).
- LOD Support: Stores multiple Levels of Detail (LOD1 - LOD4) for flexible use cases.
- Web-Ready: Works seamlessly with JavaScript, APIs, and 3D web viewers (like Cesium or Three.js).
- Open Standard: Developed and maintained by the 3D Geoinformation Group (Delft University).
- Format Alert: CityJSON and GeoJSON both use the .json extension - always verify the data structure before processing.
CityJSON File Conversion
Autoconverter and Automesher Application let you import, export, and convert CityJSON files to formats like STL, OBJ, SKP, and 3DS while preserving semantic data and geometries. Easily integrate 3D city models into your workflows - try our CityJSON converters today!
IGES vs. JSON Comparison
| Property | IGES | JSON |
|---|---|---|
| Extensions | .igs, .iges | .json, .cityjson |
| Name | Initial Graphics Exchange Specification | CityJSON |
| Versions | ||
| Textures | ||
| Colors | ||
| Geometry components | ||
| Readers | ||
| Writers |