( < extensible 3D, "laiendatav ruumilisus")

olemus
ruumilise graafika ISO/IEC standardisari
= ISO/IEC standards for declaratively representing 3D computer graphics

ülevaateid
https://www.techopedia.com/definition/10223/extensible-3d-graphics-x3d
https://en.wikipedia.org/wiki/X3D
http://www.web3d.org/x3d/
http://hcilab.uniud.it/let-web3d/x3d-intro.pdf
https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/concepts.html
https://x3dgraphics.com/X3dStandardOverview.IeeeSignalProcessing.GovernmentAuthor.November2007.pdf

standardid
https://www.web3d.org/standards/number/19775-1