According to its Wikipedia page, photogrammetry is the science of making measurements from photographs, especially for recovering the exact positions from surface points. By sticking to a well designed protocol for image capture, as well as tested and proven methods for optimizing photo processing, one can create highly precise and measurable 3D models. Compared to laser scanning, this is as good, if not better, due to its superior metrics and archiving options. And in our world (of conservation), precise rendering in documentation practice paired with long-term preservation is everything. CHI has a great explanation of photogrammetry on their site, which explains the technique much better than I can here.
This technique can be used on sites like archaeological digs or on individual artifacts for high level rendering and photodocumentation; for instance, a dig site can be documented prior to reburial. It can also be used for public outreach and to enhance visitor experience, such as to create a 3D experience of a site or place the public may not be able to enter. It can be used to print accurate 3D models that can be used in conservation practice for loss compensation or custom mount-making, or for important research such as investigating how an object was made or what has happened to it since manufacture. Really, there are many possibilities, and as the technique develops further and more conservators use and refine it, we will continue to discover new applications.
I share with you a short video of the 3D model we made of the Roman senator bust at Buffalo, so you can get the idea of a "quick and dirty" output. This is literally a video shot with my iPhone of my computer screen as I manipulated a 3D pdf. So don't judge the quality!
So for my very first blog post I have decided to tell you how Winterthur got its start, and for that we have to go back to the year 1801, and yes... to gunpowder and sheep.
Eleuthère Irénée du Pont (Irénée) was not only founder of the gunpowder manufacturing firm E.I. du Pont de Nemours and Company and patriarch of what would become one of the most rich and powerful families in Delaware, but he was also a lover of Merino sheep! In 1801, shortly after arriving in the United States with his family, Irénée had a purebred Merino ram, venerably named Don Pedro, brought over from France.
A fun sidebar story that Jeff Groff, our Estate Historian, told me is that among the group of rams brought over to America (of which only Don Pedro survived), some were bound for Thomas Jefferson’s home at Monticello. Did you know that Jefferson was an avid ovine enthusiast??? In fact, upon Don Pedro's death in 1811, Thomas Jefferson himself sent a letter of condolence to the du Ponts. Don Pedro was later immortalized in sculpture by Irénée’s brother-in-law who used his actual horns to achieve true likeness. You can go see this homage at Hagley today. And you can see real sheep at Winterthur as part of a collaboration with Greenbank Mills.
Back to Winterthur. When Irénée dies suddenly in 1834, parcels of his land, including the original "Merino Farm" (now Martin Farm), are purchased by his son-in-law, James Antoine Bidermann (Antoine). It is on this 450 acres that Antoine and his wife Evelina build a modest home along Clenny run, calling it Winterthur after the Bidermann's home town in Switzerland. This modest home would in time become transformed into the cultural icon as we know it today.