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I am intrigued by your comment. Is there a real effort to photograph paintings in nonvisible spectrum and fuller set of angles?

• Someone 3y ago
  Non-visible spectrum, including x-ray, is common. It allows one to see what’s below the surface (sketches or painted-over parts) Researchers also use all kinds of machinery to figure out how paintings were made, what materials were used, etc. A painting by Rembrandt was put in a synchrotron, for example (https://scitechdaily.com/researchers-discover-unusual-compound-in-famous-17th-century-painting/ https://scitechdaily.com/researchers-discover-unusual-compou...) Fuller sets of angles also is fairly normal and must have happened for some of van Gogh’s paintings, since you can or could buy 3D prints of them (https://all3dp.com/3d-printing-van-gogh-painting/ https://all3dp.com/3d-printing-van-gogh-painting/)
• yread 3y ago
  OpenSeaDragon https://openseadragon.github.io/examples/in-the-wild/ https://openseadragon.github.io/examples/in-the-wild/ (an open source package that can provide the deep zooming experience just like MicrIO used for these paintings) has been used for this collection: http://boschproject.org/book_links.html http://boschproject.org/book_links.html where you can compare the visible light with some kind of UV (I guess? you have to buy the book to find out), eg: http://boschproject.org/view.html?mode=curtain&layout=top-major&pointer=0.395,0.003&r=0.3029,0.3777,0.4874,0.2692&i=89MCPVIS,89MCPIRP,89IRREFL http://boschproject.org/view.html?mode=curtain&layout=top-ma...