Read IGES for glTF / GLB conversion
A IGES-to-glTF / GLB workflow combines the IGES reader with the glTF / GLB writer. Use it when the receiving application needs glTF / GLB data from an existing IGES model.
Read IGS or IGES geometry with the OCCT IGES interface. Inspect the transferred curves, surfaces and topology before conversion: an IGES model may contain disconnected surfaces or wire geometry rather than a closed solid.
Prepare a scene for glTF or GLB delivery
For mesh output, tessellate the imported faces and inspect boundaries between adjacent surfaces. Curves alone do not define a surface mesh. For BRep output, determine whether sewing or shape healing is needed before writing the translated geometry.
Map supported model items into glTF scene nodes and configure the mesh, placements and appearance for browser or application delivery. Decide whether the receiving workflow expects a GLB package or glTF with companion resources. Keep names useful for selection and inspection.
Validate the glTF / GLB result
Check units, surface coverage, open boundaries and tolerances. A successful translation does not establish watertightness or restore product structure that the source IGES file did not contain.
Reopen the asset in the target viewer and compare orientation, bounds, assembly placement and visible surface quality. Check material mapping and resource paths. Measure loading cost together with geometric detail so that reducing mesh size does not silently remove required features.
For a production pipeline, keep a representative source file and its expected geometry and attributes with the conversion settings. Discuss conversion integration with the source and destination applications, or compare the supported format interfaces.