topic: assembly

Exponential Documentation vs Just Building

January 15 2008 | In Building | 1 Comment

cathedral

Compressive Transverse Section of a Typical Gothic Cathedral from Bearing Walls: Monolithic Masonry Construction, Columbia University

People tend to assume the way things are done now is the way they have been done forever which is not always true. For example, the thrilling video Blaise Aguera y Arcas: Photosynth Demo shows a sequence where Flickr images are assembled to form Notre Dame cathedral.

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One geometry can be put together from different view points and angles because we know what Notre Dame cathedral looks like now.  In comparison, trying to decipher the geometry of knowledge being built over time, or precisely reconstruct the topology of similar idea and information exchanges, is very difficult because the geometry of the end result is not known yet.  There is not one existing structure to assemble the different points of views and angles to a single structure.

Surprisingly, according to Brian Bowen of Georgia Tech and the newly forming Construction History Society, it turns out many builders of the old cathedrals did not know what they were doing ahead of time either.   Scholarly research indicates there are only approximately 3000 drawings and 400 contracts from the medieval period.  Paper was not available and papyrus was simply to expensive.  More often than not, plaster was used as a temporary canvas to depict parts of the building until that stage was complete.  New plaster was applied on top to show the next phase of work.  Thomas Jefferson used similar techniques in the design and construction of the University of Virginia.  The masons controlled the execution, often changing their minds part way through the construction process.

Today, the contract documents for 1 building may be comprised of 3000 drawings with 400 contracts and subcontracts = the entire history and all of the documentation left of the medieval period.  3000 and 400 are the quantities that can be validated now, maybe scholars will discover more records in the future, especially if these records can be pieced together by subject matter or physical location.

The whole world of buildings and geography is being constructed and documented both backwards and forwards in time.  At some point instead of documentation rising exponentially, hopefully the tide will reverse to become smaller, shared records of places stepping back in time and detail as needed.

Now when you see a video like 1 Week of Artworks

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It makes more sense that perhaps semantic space can be built in a controlled and creative fashion without knowing the optimal geometry of the end result.  This is actually history repeating itself from other monumental efforts in the past.

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